diff --git a/constraint/Makefile b/constraint/Makefile index fa45c434c..95354b22e 100644 --- a/constraint/Makefile +++ b/constraint/Makefile @@ -28,24 +28,29 @@ test: generate install: manifests kubectl apply -f config/crds +# Install the generation dependencies on the location machine +gen-dependencies: + GO111MODULE=on go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.5.0 + GO111MODULE=on go get k8s.io/code-generator/cmd/conversion-gen@v0.20.2 + # Generate manifests e.g. CRD, RBAC etc. -manifests: buildutils - controller-gen all - kustomize build config -o deploy/crds.yaml +manifests: + controller-gen \ + crd:crdVersions="v1beta1",allowDangerousTypes="true" \ + paths="./pkg/..." \ + output:crd:artifacts:config=config/crds + cp config/crds/* deploy/crds.yaml lint: golangci-lint -v run ./... --timeout 5m # Generate code -generate: buildutils -ifndef GOPATH - $(error GOPATH not defined, please define GOPATH. Run "go help gopath" to learn more about GOPATH) -endif - export GOROOT=$(go env root) - GO111MODULE=off go generate ./pkg/... - -# find or download controller-gen -# download controller-gen if necessary -.PHONY: buildutils -buildutils: - cd buildutils && ./buildutils.sh +# Not working? Try running `make gen-dependencies` +generate: + controller-gen \ + object:headerFile=./hack/boilerplate.go.txt \ + paths="./pkg/..." + conversion-gen \ + --input-dirs "./pkg/apis/templates/..." \ + --go-header-file=./hack/boilerplate.go.txt \ + --output-file-base=zz_generated.conversion diff --git a/constraint/buildutils/README.md b/constraint/buildutils/README.md deleted file mode 100644 index 8908d392f..000000000 --- a/constraint/buildutils/README.md +++ /dev/null @@ -1,5 +0,0 @@ -Helper utils for autogenerating code and CRD manifests. - -This is necessary because the most recent version of controller-gen cannot handle apiextension's JSONSchema: - -https://github.com/kubernetes-sigs/controller-tools/issues/291 \ No newline at end of file diff --git a/constraint/buildutils/buildutils.sh b/constraint/buildutils/buildutils.sh deleted file mode 100755 index 9134c6b6a..000000000 --- a/constraint/buildutils/buildutils.sh +++ /dev/null @@ -1,15 +0,0 @@ -#!/usr/bin/env bash - -echo 'Starting tool build...' - -echo 'controller-gen' -GO111MODULE=on go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.1.8 - -echo 'client-gen' -GO111MODULE=on go get k8s.io/code-generator/cmd/client-gen@93d7507fc8ffb4c860e4dd6f9a51a5e1985aebcd - -echo 'deepcopy-gen' -GO111MODULE=on go get k8s.io/code-generator/cmd/deepcopy-gen@93d7507fc8ffb4c860e4dd6f9a51a5e1985aebcd - -echo 'conversion-gen' -GO111MODULE=on go get k8s.io/code-generator/cmd/conversion-gen@93d7507fc8ffb4c860e4dd6f9a51a5e1985aebcd diff --git a/constraint/buildutils/go.mod b/constraint/buildutils/go.mod deleted file mode 100644 index ad15069f0..000000000 --- a/constraint/buildutils/go.mod +++ /dev/null @@ -1,48 +0,0 @@ -module github.com/open-policy-agent/frameworks/constraint - -go 1.13 - -require ( - github.com/ghodss/yaml v1.0.0 // indirect - github.com/go-logr/logr v0.1.0 // indirect - github.com/go-logr/zapr v0.1.1 // indirect - github.com/gogo/protobuf v1.3.1 // indirect - github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect - github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 // indirect - github.com/google/btree v1.0.0 // indirect - github.com/googleapis/gnostic v0.3.1 // indirect - github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect - github.com/hashicorp/golang-lru v0.5.3 // indirect - github.com/imdario/mergo v0.3.8 // indirect - github.com/json-iterator/go v1.1.8 // indirect - github.com/markbates/inflect v1.0.4 // indirect - github.com/mattbaird/jsonpatch v0.0.0-20171005235357-81af80346b1a // indirect - github.com/pborman/uuid v1.2.0 // indirect - github.com/peterbourgon/diskv v2.0.1+incompatible // indirect - github.com/prometheus/client_golang v1.2.1 // indirect - github.com/spf13/afero v1.2.2 // indirect - github.com/spf13/cobra v0.0.5 // indirect - github.com/spf13/pflag v1.0.5 // indirect - go.uber.org/zap v1.12.0 // indirect - golang.org/x/crypto v0.0.0-20191107222254-f4817d981bb6 // indirect - golang.org/x/net v0.0.0-20191105084925-a882066a44e0 // indirect - golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 // indirect - golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect - gopkg.in/inf.v0 v0.9.1 // indirect - k8s.io/api v0.0.0-20181126151915-b503174bad59 - k8s.io/apiextensions-apiserver v0.0.0-20181126155829-0cd23ebeb688 - k8s.io/apimachinery v0.0.0-20181126123746-eddba98df674 - k8s.io/client-go v0.0.0-20181126152608-d082d5923d3c - k8s.io/code-generator v0.0.0-20190713022532-93d7507fc8ff // indirect - k8s.io/gengo v0.0.0-20191010091904-7fa3014cb28f // indirect - k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a // indirect - sigs.k8s.io/controller-runtime v0.1.9 - sigs.k8s.io/controller-tools v0.1.8 // indirect -) - -replace ( - k8s.io/api => k8s.io/api v0.0.0-20181126151915-b503174bad59 - k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.0.0-20181126155829-0cd23ebeb688 - k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20181126123746-eddba98df674 - k8s.io/client-go => k8s.io/client-go v0.0.0-20181126152608-d082d5923d3c -) diff --git a/constraint/buildutils/go.sum b/constraint/buildutils/go.sum deleted file mode 100644 index 475a429b8..000000000 --- a/constraint/buildutils/go.sum +++ /dev/null @@ -1,292 +0,0 @@ -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= -github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= -github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= -github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= -github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= -github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= -github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= -github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= -github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= -github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= -github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= -github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= -github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= -github.com/cespare/xxhash/v2 v2.1.0 h1:yTUvW7Vhb89inJ+8irsUqiWjh8iT6sQPZiQzI6ReGkA= -github.com/cespare/xxhash/v2 v2.1.0/go.mod h1:dgIUBU3pDso/gPgZ1osOZ0iQf77oPR28Tjxl5dIMyVM= -github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= -github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk= -github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= -github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE= -github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE= -github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs= -github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs= -github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= -github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= -github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk= -github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= -github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= -github.com/go-kit/kit 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-apiVersion: apiextensions.k8s.io/v1beta1 -kind: CustomResourceDefinition -metadata: - name: constrainttemplates.templates.gatekeeper.sh -spec: - subresources: - status: {} - versions: - - name: v1beta1 - served: true - storage: true - - name: v1alpha1 - served: true - storage: false - diff --git a/constraint/config/crds/templates_v1alpha1_constrainttemplate.yaml b/constraint/config/crds/templates.gatekeeper.sh_constrainttemplates.yaml similarity index 76% rename from constraint/config/crds/templates_v1alpha1_constrainttemplate.yaml rename to constraint/config/crds/templates.gatekeeper.sh_constrainttemplates.yaml index 11466c3d1..903c0047a 100644 --- a/constraint/config/crds/templates_v1alpha1_constrainttemplate.yaml +++ b/constraint/config/crds/templates.gatekeeper.sh_constrainttemplates.yaml @@ -1,18 +1,25 @@ + +--- apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: + annotations: + controller-gen.kubebuilder.io/version: v0.5.0 creationTimestamp: null - labels: - controller-tools.k8s.io: "1.0" name: constrainttemplates.templates.gatekeeper.sh spec: group: templates.gatekeeper.sh names: kind: ConstraintTemplate + listKind: ConstraintTemplateList plural: constrainttemplates + singular: constrainttemplate scope: Cluster + subresources: + status: {} validation: openAPIV3Schema: + description: ConstraintTemplate is the Schema for the constrainttemplates API properties: apiVersion: description: 'APIVersion defines the versioned schema of this representation @@ -27,6 +34,7 @@ spec: metadata: type: object spec: + description: ConstraintTemplateSpec defines the desired state of ConstraintTemplate properties: crd: properties: @@ -42,6 +50,9 @@ spec: type: array type: object validation: + properties: + openAPIV3Schema: + type: object type: object type: object type: object @@ -60,12 +71,17 @@ spec: type: array type: object status: + description: ConstraintTemplateStatus defines the observed state of ConstraintTemplate properties: byPod: items: + description: ByPodStatus defines the observed state of ConstraintTemplate + as seen by an individual controller properties: errors: items: + description: CreateCRDError represents a single error caught + during parsing, compiling, etc. properties: code: type: string @@ -89,7 +105,15 @@ spec: created: type: boolean type: object + type: object version: v1alpha1 + versions: + - name: v1alpha1 + served: true + storage: false + - name: v1beta1 + served: true + storage: true status: acceptedNames: kind: "" diff --git a/constraint/config/crds/templates_v1beta1_constrainttemplate.yaml b/constraint/config/crds/templates_v1beta1_constrainttemplate.yaml deleted file mode 100644 index 0d447f643..000000000 --- a/constraint/config/crds/templates_v1beta1_constrainttemplate.yaml +++ /dev/null @@ -1,98 +0,0 @@ -apiVersion: apiextensions.k8s.io/v1beta1 -kind: CustomResourceDefinition -metadata: - creationTimestamp: null - labels: - controller-tools.k8s.io: "1.0" - name: constrainttemplates.templates.gatekeeper.sh -spec: - group: templates.gatekeeper.sh - names: - kind: ConstraintTemplate - plural: constrainttemplates - scope: Cluster - validation: - openAPIV3Schema: - properties: - apiVersion: - description: 'APIVersion defines the versioned schema of this representation - of an object. Servers should convert recognized schemas to the latest - internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources' - type: string - kind: - description: 'Kind is a string value representing the REST resource this - object represents. Servers may infer this from the endpoint the client - submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds' - type: string - metadata: - type: object - spec: - properties: - crd: - properties: - spec: - properties: - names: - properties: - kind: - type: string - shortNames: - items: - type: string - type: array - type: object - validation: - type: object - type: object - type: object - targets: - items: - properties: - libs: - items: - type: string - type: array - rego: - type: string - target: - type: string - type: object - type: array - type: object - status: - properties: - byPod: - items: - properties: - errors: - items: - properties: - code: - type: string - location: - type: string - message: - type: string - required: - - code - - message - type: object - type: array - id: - description: a unique identifier for the pod that wrote the status - type: string - observedGeneration: - format: int64 - type: integer - type: object - type: array - created: - type: boolean - type: object - version: v1beta1 -status: - acceptedNames: - kind: "" - plural: "" - conditions: [] - storedVersions: [] diff --git a/constraint/config/kustomization.yaml b/constraint/config/kustomization.yaml deleted file mode 100644 index 1fa9e51ad..000000000 --- a/constraint/config/kustomization.yaml +++ /dev/null @@ -1,9 +0,0 @@ -# create a multi-version CRD via kustomize because Kubebuilder v1 doesn't support multi-version -# CRDs - -resources: -- crds/templates_v1beta1_constrainttemplate.yaml - -patchesStrategicMerge: -- crd_patch.yaml - diff --git a/constraint/deploy/crds.yaml b/constraint/deploy/crds.yaml index f4bd8bb10..903c0047a 100644 --- a/constraint/deploy/crds.yaml +++ b/constraint/deploy/crds.yaml @@ -1,20 +1,25 @@ + +--- apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: + annotations: + controller-gen.kubebuilder.io/version: v0.5.0 creationTimestamp: null - labels: - controller-tools.k8s.io: "1.0" name: constrainttemplates.templates.gatekeeper.sh spec: group: templates.gatekeeper.sh names: kind: ConstraintTemplate + listKind: ConstraintTemplateList plural: constrainttemplates + singular: constrainttemplate scope: Cluster subresources: status: {} validation: openAPIV3Schema: + description: ConstraintTemplate is the Schema for the constrainttemplates API properties: apiVersion: description: 'APIVersion defines the versioned schema of this representation @@ -29,6 +34,7 @@ spec: metadata: type: object spec: + description: ConstraintTemplateSpec defines the desired state of ConstraintTemplate properties: crd: properties: @@ -44,6 +50,9 @@ spec: type: array type: object validation: + properties: + openAPIV3Schema: + type: object type: object type: object type: object @@ -62,12 +71,17 @@ spec: type: array type: object status: + description: ConstraintTemplateStatus defines the observed state of ConstraintTemplate properties: byPod: items: + description: ByPodStatus defines the observed state of ConstraintTemplate + as seen by an individual controller properties: errors: items: + description: CreateCRDError represents a single error caught + during parsing, compiling, etc. properties: code: type: string @@ -91,14 +105,15 @@ spec: created: type: boolean type: object - version: v1beta1 + type: object + version: v1alpha1 versions: - - name: v1beta1 - served: true - storage: true - name: v1alpha1 served: true storage: false + - name: v1beta1 + served: true + storage: true status: acceptedNames: kind: "" diff --git a/constraint/go.mod b/constraint/go.mod index 25101abe5..347cdbe9d 100644 --- a/constraint/go.mod +++ b/constraint/go.mod @@ -5,26 +5,32 @@ go 1.13 require ( github.com/OneOfOne/xxhash v1.2.8 // indirect github.com/davecgh/go-spew v1.1.1 + github.com/go-openapi/spec v0.19.5 // indirect + github.com/gogo/protobuf v1.3.2 // indirect github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b - github.com/golang/protobuf v1.4.3 // indirect - github.com/google/go-cmp v0.5.0 - github.com/json-iterator/go v1.1.10 // indirect - github.com/onsi/gomega v1.7.0 + github.com/google/go-cmp v0.5.2 + github.com/kr/text v0.2.0 // indirect + github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect + github.com/onsi/ginkgo v1.14.1 // indirect + github.com/onsi/gomega v1.10.2 github.com/open-policy-agent/opa v0.24.0 github.com/pkg/errors v0.9.1 github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect github.com/spf13/cobra v1.1.1 github.com/spf13/pflag v1.0.5 go.uber.org/zap v1.13.0 // indirect - golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect - golang.org/x/net v0.0.0-20201016165138-7b1cca2348c0 - golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13 // indirect - golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect - golang.org/x/tools v0.0.0-20201017001424-6003fad69a88 // indirect - google.golang.org/protobuf v1.25.0 // indirect - gopkg.in/yaml.v2 v2.3.0 // indirect - k8s.io/apiextensions-apiserver v0.17.2 - k8s.io/apimachinery v0.17.2 - k8s.io/client-go v0.17.2 + golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449 // indirect + golang.org/x/net v0.0.0-20210224082022-3d97a244fca7 + golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073 // indirect + golang.org/x/tools v0.1.0 // indirect + gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect + k8s.io/apiextensions-apiserver v0.20.2 + k8s.io/apimachinery v0.20.2 + k8s.io/client-go v0.20.2 + k8s.io/klog/v2 v2.8.0 // indirect + k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7 // indirect sigs.k8s.io/controller-runtime v0.4.0 + sigs.k8s.io/structured-merge-diff/v4 v4.1.0 // indirect ) diff --git a/constraint/go.sum b/constraint/go.sum index 7e27d7c52..b3b014b79 100644 --- a/constraint/go.sum +++ b/constraint/go.sum @@ -5,26 +5,45 @@ cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6A cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= +cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= +cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= +cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= +cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= +cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= +cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= +cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk= cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk= cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= +cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= +cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA= cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= +cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= +cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= +github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI= +github.com/Azure/go-autorest/autorest v0.11.1/go.mod h1:JFgpikqFJ/MleTTxwepExTKnFUKKszPS8UavbQYUMuw= github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0= +github.com/Azure/go-autorest/autorest/adal v0.9.0/go.mod h1:/c022QCutn2P7uY+/oQWWNcK9YU+MH96NgK+jErpbcg= +github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A= github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA= +github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74= github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0= github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0= +github.com/Azure/go-autorest/autorest/mocks v0.4.0/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k= +github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k= github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc= +github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8= github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk= +github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU= github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= -github.com/OneOfOne/xxhash v1.2.7 h1:fzrmmkskv067ZQbd9wERNGuxckWw67dyzoMG62p7LMo= github.com/OneOfOne/xxhash v1.2.7/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q= github.com/OneOfOne/xxhash v1.2.8 h1:31czK/TI9sNkxIKfaUfGlU47BAxQ0ztGgd9vPyqimf8= github.com/OneOfOne/xxhash v1.2.8/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q= @@ -35,10 +54,10 @@ github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbt github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= +github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= -github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8= +github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o= github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY= @@ -46,16 +65,23 @@ github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA= github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= -github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0= github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= +github.com/beorn7/perks v1.0.1/go.mod 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v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= go.uber.org/zap v1.13.0 h1:nR6NoDBgAf67s68NhaXbsojM+2gxp3S1hWkHDl27pVU= go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM= @@ -503,14 +526,11 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 h1:1wopBVtVdWnn03fZelqdXTqk7U7zPQCb+T4rbU9ZEoU= golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586 h1:7KByu05hhLed2MO29w7p1XfZvZ13m8mub3shuVftRs0= -golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0 h1:hb9wdF1z5waM+dSIICn1l0DkLVDT3hqhhQsDNUmHPRE= +golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190125153040-c74c464bbbf2/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= @@ -518,17 +538,23 @@ golang.org/x/exp v0.0.0-20190312203227-4b39c73a6495/go.mod h1:ZjyILWgesfNpC6sMxT golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8= golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek= golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY= +golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= +golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= +golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= +golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM= +golang.org/x/exp 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v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc= golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY= golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= -golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4= +golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= +golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= +golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449 h1:xUIPaMhvROX9dhPvRCenIJtU78+lbEenGbgqB5hfHCQ= +golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180112015858-5ccada7d0a7b/go.mod 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b/constraint/pkg/apis/templates/v1alpha1/constrainttemplate_types.go @@ -44,6 +44,8 @@ type Names struct { } type Validation struct { + // +kubebuilder:validation:Schemaless + // +kubebuilder:validation:Type=object OpenAPIV3Schema *apiextensionsv1beta1.JSONSchemaProps `json:"openAPIV3Schema,omitempty"` } @@ -80,9 +82,11 @@ type ConstraintTemplateStatus struct { // +genclient // +genclient:nonNamespaced // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object +// +kubebuilder:subresource:status // ConstraintTemplate is the Schema for the constrainttemplates API // +k8s:openapi-gen=true +// +k8s:conversion-gen-external-types=github.com/open-policy-agent/frameworks/constraint/pkg/apis/templates type ConstraintTemplate struct { metav1.TypeMeta `json:",inline"` metav1.ObjectMeta `json:"metadata,omitempty"` diff --git a/constraint/pkg/apis/templates/v1alpha1/zz_generated.conversion.go b/constraint/pkg/apis/templates/v1alpha1/zz_generated.conversion.go index 2de7f0429..69cd3f856 100644 --- a/constraint/pkg/apis/templates/v1alpha1/zz_generated.conversion.go +++ b/constraint/pkg/apis/templates/v1alpha1/zz_generated.conversion.go @@ -434,10 +434,8 @@ func autoConvert_v1alpha1_Validation_To_templates_Validation(in *Validation, out if in.OpenAPIV3Schema != nil { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = new(apiextensions.JSONSchemaProps) - // TODO: Inefficient conversion - can we improve it? - if err := s.Convert(*in, *out, 0); err != nil { - return err - } + // FIXME: Provide conversion function to convert v1beta1.JSONSchemaProps to apiextensions.JSONSchemaProps + compileErrorOnMissingConversion() } else { out.OpenAPIV3Schema = nil } @@ -453,10 +451,8 @@ func autoConvert_templates_Validation_To_v1alpha1_Validation(in *templates.Valid if in.OpenAPIV3Schema != nil { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = new(v1beta1.JSONSchemaProps) - // TODO: Inefficient conversion - can we improve it? - if err := s.Convert(*in, *out, 0); err != nil { - return err - } + // FIXME: Provide conversion function to convert apiextensions.JSONSchemaProps to v1beta1.JSONSchemaProps + compileErrorOnMissingConversion() } else { out.OpenAPIV3Schema = nil } diff --git a/constraint/pkg/apis/templates/v1alpha1/zz_generated.deepcopy.go b/constraint/pkg/apis/templates/v1alpha1/zz_generated.deepcopy.go index da242a7fa..c9302deab 100644 --- a/constraint/pkg/apis/templates/v1alpha1/zz_generated.deepcopy.go +++ b/constraint/pkg/apis/templates/v1alpha1/zz_generated.deepcopy.go @@ -14,12 +14,13 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ -// Code generated by deepcopy-gen. DO NOT EDIT. + +// Code generated by controller-gen. DO NOT EDIT. package v1alpha1 import ( - runtime "k8s.io/apimachinery/pkg/runtime" + "k8s.io/apimachinery/pkg/runtime" ) // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. @@ -30,7 +31,6 @@ func (in *ByPodStatus) DeepCopyInto(out *ByPodStatus) { *out = make([]CreateCRDError, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ByPodStatus. @@ -47,7 +47,6 @@ func (in *ByPodStatus) DeepCopy() *ByPodStatus { func (in *CRD) DeepCopyInto(out *CRD) { *out = *in in.Spec.DeepCopyInto(&out.Spec) - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CRD. @@ -69,7 +68,6 @@ func (in *CRDSpec) DeepCopyInto(out *CRDSpec) { *out = new(Validation) (*in).DeepCopyInto(*out) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CRDSpec. @@ -89,7 +87,6 @@ func (in *ConstraintTemplate) DeepCopyInto(out *ConstraintTemplate) { in.ObjectMeta.DeepCopyInto(&out.ObjectMeta) in.Spec.DeepCopyInto(&out.Spec) in.Status.DeepCopyInto(&out.Status) - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplate. @@ -122,7 +119,6 @@ func (in *ConstraintTemplateList) DeepCopyInto(out *ConstraintTemplateList) { (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateList. @@ -154,7 +150,6 @@ func (in *ConstraintTemplateSpec) DeepCopyInto(out *ConstraintTemplateSpec) { (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateSpec. @@ -177,7 +172,6 @@ func (in *ConstraintTemplateStatus) DeepCopyInto(out *ConstraintTemplateStatus) (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateStatus. @@ -193,7 +187,6 @@ func (in *ConstraintTemplateStatus) DeepCopy() *ConstraintTemplateStatus { // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. func (in *CreateCRDError) DeepCopyInto(out *CreateCRDError) { *out = *in - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CreateCRDError. @@ -214,7 +207,6 @@ func (in *Names) DeepCopyInto(out *Names) { *out = make([]string, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Names. @@ -235,7 +227,6 @@ func (in *Target) DeepCopyInto(out *Target) { *out = make([]string, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Target. @@ -255,7 +246,6 @@ func (in *Validation) DeepCopyInto(out *Validation) { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = (*in).DeepCopy() } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Validation. diff --git a/constraint/pkg/apis/templates/v1beta1/constrainttemplate_types.go b/constraint/pkg/apis/templates/v1beta1/constrainttemplate_types.go index cf6e3cf52..60cbe532f 100644 --- a/constraint/pkg/apis/templates/v1beta1/constrainttemplate_types.go +++ b/constraint/pkg/apis/templates/v1beta1/constrainttemplate_types.go @@ -44,6 +44,8 @@ type Names struct { } type Validation struct { + // +kubebuilder:validation:Schemaless + // +kubebuilder:validation:Type=object OpenAPIV3Schema *apiextensionsv1beta1.JSONSchemaProps `json:"openAPIV3Schema,omitempty"` } @@ -80,9 +82,13 @@ type ConstraintTemplateStatus struct { // +genclient // +genclient:nonNamespaced // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object +// +kubebuilder:storageversion +// +kubebuilder:resource:scope=Cluster +// +kubebuilder:subresource:status // ConstraintTemplate is the Schema for the constrainttemplates API // +k8s:openapi-gen=true +// +k8s:conversion-gen-external-types=github.com/open-policy-agent/frameworks/constraint/pkg/apis/templates type ConstraintTemplate struct { metav1.TypeMeta `json:",inline"` metav1.ObjectMeta `json:"metadata,omitempty"` diff --git a/constraint/pkg/apis/templates/v1beta1/zz_generated.conversion.go b/constraint/pkg/apis/templates/v1beta1/zz_generated.conversion.go index c4b864f6a..3dd4ed20b 100644 --- a/constraint/pkg/apis/templates/v1beta1/zz_generated.conversion.go +++ b/constraint/pkg/apis/templates/v1beta1/zz_generated.conversion.go @@ -434,10 +434,8 @@ func autoConvert_v1beta1_Validation_To_templates_Validation(in *Validation, out if in.OpenAPIV3Schema != nil { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = new(apiextensions.JSONSchemaProps) - // TODO: Inefficient conversion - can we improve it? - if err := s.Convert(*in, *out, 0); err != nil { - return err - } + // FIXME: Provide conversion function to convert apiextensionsv1beta1.JSONSchemaProps to apiextensions.JSONSchemaProps + compileErrorOnMissingConversion() } else { out.OpenAPIV3Schema = nil } @@ -453,10 +451,8 @@ func autoConvert_templates_Validation_To_v1beta1_Validation(in *templates.Valida if in.OpenAPIV3Schema != nil { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = new(apiextensionsv1beta1.JSONSchemaProps) - // TODO: Inefficient conversion - can we improve it? - if err := s.Convert(*in, *out, 0); err != nil { - return err - } + // FIXME: Provide conversion function to convert apiextensions.JSONSchemaProps to apiextensionsv1beta1.JSONSchemaProps + compileErrorOnMissingConversion() } else { out.OpenAPIV3Schema = nil } diff --git a/constraint/pkg/apis/templates/v1beta1/zz_generated.deepcopy.go b/constraint/pkg/apis/templates/v1beta1/zz_generated.deepcopy.go index 6d48a1ae1..8e7b86c43 100644 --- a/constraint/pkg/apis/templates/v1beta1/zz_generated.deepcopy.go +++ b/constraint/pkg/apis/templates/v1beta1/zz_generated.deepcopy.go @@ -14,12 +14,13 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ -// Code generated by deepcopy-gen. DO NOT EDIT. + +// Code generated by controller-gen. DO NOT EDIT. package v1beta1 import ( - runtime "k8s.io/apimachinery/pkg/runtime" + "k8s.io/apimachinery/pkg/runtime" ) // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. @@ -30,7 +31,6 @@ func (in *ByPodStatus) DeepCopyInto(out *ByPodStatus) { *out = make([]CreateCRDError, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ByPodStatus. @@ -47,7 +47,6 @@ func (in *ByPodStatus) DeepCopy() *ByPodStatus { func (in *CRD) DeepCopyInto(out *CRD) { *out = *in in.Spec.DeepCopyInto(&out.Spec) - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CRD. @@ -69,7 +68,6 @@ func (in *CRDSpec) DeepCopyInto(out *CRDSpec) { *out = new(Validation) (*in).DeepCopyInto(*out) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CRDSpec. @@ -89,7 +87,6 @@ func (in *ConstraintTemplate) DeepCopyInto(out *ConstraintTemplate) { in.ObjectMeta.DeepCopyInto(&out.ObjectMeta) in.Spec.DeepCopyInto(&out.Spec) in.Status.DeepCopyInto(&out.Status) - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplate. @@ -122,7 +119,6 @@ func (in *ConstraintTemplateList) DeepCopyInto(out *ConstraintTemplateList) { (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateList. @@ -154,7 +150,6 @@ func (in *ConstraintTemplateSpec) DeepCopyInto(out *ConstraintTemplateSpec) { (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateSpec. @@ -177,7 +172,6 @@ func (in *ConstraintTemplateStatus) DeepCopyInto(out *ConstraintTemplateStatus) (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateStatus. @@ -193,7 +187,6 @@ func (in *ConstraintTemplateStatus) DeepCopy() *ConstraintTemplateStatus { // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. func (in *CreateCRDError) DeepCopyInto(out *CreateCRDError) { *out = *in - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CreateCRDError. @@ -214,7 +207,6 @@ func (in *Names) DeepCopyInto(out *Names) { *out = make([]string, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Names. @@ -235,7 +227,6 @@ func (in *Target) DeepCopyInto(out *Target) { *out = make([]string, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Target. @@ -255,7 +246,6 @@ func (in *Validation) DeepCopyInto(out *Validation) { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = (*in).DeepCopy() } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Validation. diff --git a/constraint/pkg/core/templates/constrainttemplate_types.go b/constraint/pkg/core/templates/constrainttemplate_types.go index adcc6ae7b..04fed1d96 100644 --- a/constraint/pkg/core/templates/constrainttemplate_types.go +++ b/constraint/pkg/core/templates/constrainttemplate_types.go @@ -13,9 +13,6 @@ See the License for the specific language governing permissions and limitations under the License. */ -// Generate deepcopy for apis -//go:generate deepcopy-gen -O zz_generated.deepcopy -i ./... -h ../../../hack/boilerplate.go.txt - package templates import ( @@ -49,6 +46,7 @@ type Names struct { } type Validation struct { + // +kubebuilder:validation:Schemaless OpenAPIV3Schema *apiextensions.JSONSchemaProps `json:"openAPIV3Schema,omitempty"` } @@ -85,6 +83,7 @@ type ConstraintTemplateStatus struct { // +genclient // +genclient:nonNamespaced // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object +// +kubebuilder:skip // ConstraintTemplate is the Schema for the constrainttemplates API // +k8s:openapi-gen=true diff --git a/constraint/pkg/core/templates/zz_generated.deepcopy.go b/constraint/pkg/core/templates/zz_generated.deepcopy.go index f33fbc9fa..46ac134f8 100644 --- a/constraint/pkg/core/templates/zz_generated.deepcopy.go +++ b/constraint/pkg/core/templates/zz_generated.deepcopy.go @@ -14,7 +14,8 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ -// Code generated by deepcopy-gen. DO NOT EDIT. + +// Code generated by controller-gen. DO NOT EDIT. package templates @@ -30,7 +31,6 @@ func (in *ByPodStatus) DeepCopyInto(out *ByPodStatus) { *out = make([]CreateCRDError, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ByPodStatus. @@ -47,7 +47,6 @@ func (in *ByPodStatus) DeepCopy() *ByPodStatus { func (in *CRD) DeepCopyInto(out *CRD) { *out = *in in.Spec.DeepCopyInto(&out.Spec) - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CRD. @@ -69,7 +68,6 @@ func (in *CRDSpec) DeepCopyInto(out *CRDSpec) { *out = new(Validation) (*in).DeepCopyInto(*out) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CRDSpec. @@ -89,7 +87,6 @@ func (in *ConstraintTemplate) DeepCopyInto(out *ConstraintTemplate) { in.ObjectMeta.DeepCopyInto(&out.ObjectMeta) in.Spec.DeepCopyInto(&out.Spec) in.Status.DeepCopyInto(&out.Status) - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplate. @@ -122,7 +119,6 @@ func (in *ConstraintTemplateList) DeepCopyInto(out *ConstraintTemplateList) { (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateList. @@ -154,7 +150,6 @@ func (in *ConstraintTemplateSpec) DeepCopyInto(out *ConstraintTemplateSpec) { (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateSpec. @@ -177,7 +172,6 @@ func (in *ConstraintTemplateStatus) DeepCopyInto(out *ConstraintTemplateStatus) (*in)[i].DeepCopyInto(&(*out)[i]) } } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConstraintTemplateStatus. @@ -193,7 +187,6 @@ func (in *ConstraintTemplateStatus) DeepCopy() *ConstraintTemplateStatus { // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. func (in *CreateCRDError) DeepCopyInto(out *CreateCRDError) { *out = *in - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CreateCRDError. @@ -214,7 +207,6 @@ func (in *Names) DeepCopyInto(out *Names) { *out = make([]string, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Names. @@ -235,7 +227,6 @@ func (in *Target) DeepCopyInto(out *Target) { *out = make([]string, len(*in)) copy(*out, *in) } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Target. @@ -255,7 +246,6 @@ func (in *Validation) DeepCopyInto(out *Validation) { in, out := &in.OpenAPIV3Schema, &out.OpenAPIV3Schema *out = (*in).DeepCopy() } - return } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Validation. diff --git a/constraint/vendor/github.com/beorn7/perks/LICENSE b/constraint/vendor/github.com/beorn7/perks/LICENSE new file mode 100644 index 000000000..339177be6 --- /dev/null +++ b/constraint/vendor/github.com/beorn7/perks/LICENSE @@ -0,0 +1,20 @@ +Copyright (C) 2013 Blake Mizerany + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/constraint/vendor/github.com/beorn7/perks/quantile/exampledata.txt b/constraint/vendor/github.com/beorn7/perks/quantile/exampledata.txt new file mode 100644 index 000000000..1602287d7 --- /dev/null +++ b/constraint/vendor/github.com/beorn7/perks/quantile/exampledata.txt @@ -0,0 +1,2388 @@ +8 +5 +26 +12 +5 +235 +13 +6 +28 +30 +3 +3 +3 +3 +5 +2 +33 +7 +2 +4 +7 +12 +14 +5 +8 +3 +10 +4 +5 +3 +6 +6 +209 +20 +3 +10 +14 +3 +4 +6 +8 +5 +11 +7 +3 +2 +3 +3 +212 +5 +222 +4 +10 +10 +5 +6 +3 +8 +3 +10 +254 +220 +2 +3 +5 +24 +5 +4 +222 +7 +3 +3 +223 +8 +15 +12 +14 +14 +3 +2 +2 +3 +13 +3 +11 +4 +4 +6 +5 +7 +13 +5 +3 +5 +2 +5 +3 +5 +2 +7 +15 +17 +14 +3 +6 +6 +3 +17 +5 +4 +7 +6 +4 +4 +8 +6 +8 +3 +9 +3 +6 +3 +4 +5 +3 +3 +660 +4 +6 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+4 +213 +6 +5 +21 +8 +2 +5 +23 +3 +11 +2 +3 +6 +25 +2 +3 +6 +7 +6 +6 +4 +4 +6 +3 +17 +9 +7 +6 +4 +3 +10 +7 +2 +3 +3 +3 +11 +8 +3 +7 +6 +4 +14 +36 +3 +4 +3 +3 +22 +13 +21 +4 +2 +7 +4 +4 +17 +15 +3 +7 +11 +2 +4 +7 +6 +209 +6 +3 +2 +2 +24 +4 +9 +4 +3 +3 +3 +29 +2 +2 +4 +3 +3 +5 +4 +6 +3 +3 +2 +4 diff --git a/constraint/vendor/github.com/beorn7/perks/quantile/stream.go b/constraint/vendor/github.com/beorn7/perks/quantile/stream.go new file mode 100644 index 000000000..d7d14f8eb --- /dev/null +++ b/constraint/vendor/github.com/beorn7/perks/quantile/stream.go @@ -0,0 +1,316 @@ +// Package quantile computes approximate quantiles over an unbounded data +// stream within low memory and CPU bounds. +// +// A small amount of accuracy is traded to achieve the above properties. +// +// Multiple streams can be merged before calling Query to generate a single set +// of results. This is meaningful when the streams represent the same type of +// data. See Merge and Samples. +// +// For more detailed information about the algorithm used, see: +// +// Effective Computation of Biased Quantiles over Data Streams +// +// http://www.cs.rutgers.edu/~muthu/bquant.pdf +package quantile + +import ( + "math" + "sort" +) + +// Sample holds an observed value and meta information for compression. JSON +// tags have been added for convenience. +type Sample struct { + Value float64 `json:",string"` + Width float64 `json:",string"` + Delta float64 `json:",string"` +} + +// Samples represents a slice of samples. It implements sort.Interface. +type Samples []Sample + +func (a Samples) Len() int { return len(a) } +func (a Samples) Less(i, j int) bool { return a[i].Value < a[j].Value } +func (a Samples) Swap(i, j int) { a[i], a[j] = a[j], a[i] } + +type invariant func(s *stream, r float64) float64 + +// NewLowBiased returns an initialized Stream for low-biased quantiles +// (e.g. 0.01, 0.1, 0.5) where the needed quantiles are not known a priori, but +// error guarantees can still be given even for the lower ranks of the data +// distribution. +// +// The provided epsilon is a relative error, i.e. the true quantile of a value +// returned by a query is guaranteed to be within (1±Epsilon)*Quantile. +// +// See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error +// properties. +func NewLowBiased(epsilon float64) *Stream { + ƒ := func(s *stream, r float64) float64 { + return 2 * epsilon * r + } + return newStream(ƒ) +} + +// NewHighBiased returns an initialized Stream for high-biased quantiles +// (e.g. 0.01, 0.1, 0.5) where the needed quantiles are not known a priori, but +// error guarantees can still be given even for the higher ranks of the data +// distribution. +// +// The provided epsilon is a relative error, i.e. the true quantile of a value +// returned by a query is guaranteed to be within 1-(1±Epsilon)*(1-Quantile). +// +// See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error +// properties. +func NewHighBiased(epsilon float64) *Stream { + ƒ := func(s *stream, r float64) float64 { + return 2 * epsilon * (s.n - r) + } + return newStream(ƒ) +} + +// NewTargeted returns an initialized Stream concerned with a particular set of +// quantile values that are supplied a priori. Knowing these a priori reduces +// space and computation time. The targets map maps the desired quantiles to +// their absolute errors, i.e. the true quantile of a value returned by a query +// is guaranteed to be within (Quantile±Epsilon). +// +// See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error properties. +func NewTargeted(targetMap map[float64]float64) *Stream { + // Convert map to slice to avoid slow iterations on a map. + // ƒ is called on the hot path, so converting the map to a slice + // beforehand results in significant CPU savings. + targets := targetMapToSlice(targetMap) + + ƒ := func(s *stream, r float64) float64 { + var m = math.MaxFloat64 + var f float64 + for _, t := range targets { + if t.quantile*s.n <= r { + f = (2 * t.epsilon * r) / t.quantile + } else { + f = (2 * t.epsilon * (s.n - r)) / (1 - t.quantile) + } + if f < m { + m = f + } + } + return m + } + return newStream(ƒ) +} + +type target struct { + quantile float64 + epsilon float64 +} + +func targetMapToSlice(targetMap map[float64]float64) []target { + targets := make([]target, 0, len(targetMap)) + + for quantile, epsilon := range targetMap { + t := target{ + quantile: quantile, + epsilon: epsilon, + } + targets = append(targets, t) + } + + return targets +} + +// Stream computes quantiles for a stream of float64s. It is not thread-safe by +// design. Take care when using across multiple goroutines. +type Stream struct { + *stream + b Samples + sorted bool +} + +func newStream(ƒ invariant) *Stream { + x := &stream{ƒ: ƒ} + return &Stream{x, make(Samples, 0, 500), true} +} + +// Insert inserts v into the stream. +func (s *Stream) Insert(v float64) { + s.insert(Sample{Value: v, Width: 1}) +} + +func (s *Stream) insert(sample Sample) { + s.b = append(s.b, sample) + s.sorted = false + if len(s.b) == cap(s.b) { + s.flush() + } +} + +// Query returns the computed qth percentiles value. If s was created with +// NewTargeted, and q is not in the set of quantiles provided a priori, Query +// will return an unspecified result. +func (s *Stream) Query(q float64) float64 { + if !s.flushed() { + // Fast path when there hasn't been enough data for a flush; + // this also yields better accuracy for small sets of data. + l := len(s.b) + if l == 0 { + return 0 + } + i := int(math.Ceil(float64(l) * q)) + if i > 0 { + i -= 1 + } + s.maybeSort() + return s.b[i].Value + } + s.flush() + return s.stream.query(q) +} + +// Merge merges samples into the underlying streams samples. This is handy when +// merging multiple streams from separate threads, database shards, etc. +// +// ATTENTION: This method is broken and does not yield correct results. The +// underlying algorithm is not capable of merging streams correctly. +func (s *Stream) Merge(samples Samples) { + sort.Sort(samples) + s.stream.merge(samples) +} + +// Reset reinitializes and clears the list reusing the samples buffer memory. +func (s *Stream) Reset() { + s.stream.reset() + s.b = s.b[:0] +} + +// Samples returns stream samples held by s. +func (s *Stream) Samples() Samples { + if !s.flushed() { + return s.b + } + s.flush() + return s.stream.samples() +} + +// Count returns the total number of samples observed in the stream +// since initialization. +func (s *Stream) Count() int { + return len(s.b) + s.stream.count() +} + +func (s *Stream) flush() { + s.maybeSort() + s.stream.merge(s.b) + s.b = s.b[:0] +} + +func (s *Stream) maybeSort() { + if !s.sorted { + s.sorted = true + sort.Sort(s.b) + } +} + +func (s *Stream) flushed() bool { + return len(s.stream.l) > 0 +} + +type stream struct { + n float64 + l []Sample + ƒ invariant +} + +func (s *stream) reset() { + s.l = s.l[:0] + s.n = 0 +} + +func (s *stream) insert(v float64) { + s.merge(Samples{{v, 1, 0}}) +} + +func (s *stream) merge(samples Samples) { + // TODO(beorn7): This tries to merge not only individual samples, but + // whole summaries. The paper doesn't mention merging summaries at + // all. Unittests show that the merging is inaccurate. Find out how to + // do merges properly. + var r float64 + i := 0 + for _, sample := range samples { + for ; i < len(s.l); i++ { + c := s.l[i] + if c.Value > sample.Value { + // Insert at position i. + s.l = append(s.l, Sample{}) + copy(s.l[i+1:], s.l[i:]) + s.l[i] = Sample{ + sample.Value, + sample.Width, + math.Max(sample.Delta, math.Floor(s.ƒ(s, r))-1), + // TODO(beorn7): How to calculate delta correctly? + } + i++ + goto inserted + } + r += c.Width + } + s.l = append(s.l, Sample{sample.Value, sample.Width, 0}) + i++ + inserted: + s.n += sample.Width + r += sample.Width + } + s.compress() +} + +func (s *stream) count() int { + return int(s.n) +} + +func (s *stream) query(q float64) float64 { + t := math.Ceil(q * s.n) + t += math.Ceil(s.ƒ(s, t) / 2) + p := s.l[0] + var r float64 + for _, c := range s.l[1:] { + r += p.Width + if r+c.Width+c.Delta > t { + return p.Value + } + p = c + } + return p.Value +} + +func (s *stream) compress() { + if len(s.l) < 2 { + return + } + x := s.l[len(s.l)-1] + xi := len(s.l) - 1 + r := s.n - 1 - x.Width + + for i := len(s.l) - 2; i >= 0; i-- { + c := s.l[i] + if c.Width+x.Width+x.Delta <= s.ƒ(s, r) { + x.Width += c.Width + s.l[xi] = x + // Remove element at i. + copy(s.l[i:], s.l[i+1:]) + s.l = s.l[:len(s.l)-1] + xi -= 1 + } else { + x = c + xi = i + } + r -= c.Width + } +} + +func (s *stream) samples() Samples { + samples := make(Samples, len(s.l)) + copy(samples, s.l) + return samples +} diff --git a/constraint/vendor/github.com/blang/semver/.travis.yml b/constraint/vendor/github.com/blang/semver/.travis.yml new file mode 100644 index 000000000..102fb9a69 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/.travis.yml @@ -0,0 +1,21 @@ +language: go +matrix: + include: + - go: 1.4.3 + - go: 1.5.4 + - go: 1.6.3 + - go: 1.7 + - go: tip + allow_failures: + - go: tip +install: +- go get golang.org/x/tools/cmd/cover +- go get github.com/mattn/goveralls +script: +- echo "Test and track coverage" ; $HOME/gopath/bin/goveralls -package "." -service=travis-ci + -repotoken $COVERALLS_TOKEN +- echo "Build examples" ; cd examples && go build +- echo "Check if gofmt'd" ; diff -u <(echo -n) <(gofmt -d -s .) +env: + global: + secure: HroGEAUQpVq9zX1b1VIkraLiywhGbzvNnTZq2TMxgK7JHP8xqNplAeF1izrR2i4QLL9nsY+9WtYss4QuPvEtZcVHUobw6XnL6radF7jS1LgfYZ9Y7oF+zogZ2I5QUMRLGA7rcxQ05s7mKq3XZQfeqaNts4bms/eZRefWuaFZbkw= diff --git a/constraint/vendor/github.com/go-stack/stack/LICENSE.md b/constraint/vendor/github.com/blang/semver/LICENSE similarity index 85% rename from constraint/vendor/github.com/go-stack/stack/LICENSE.md rename to constraint/vendor/github.com/blang/semver/LICENSE index 2abf98ea8..5ba5c86fc 100644 --- a/constraint/vendor/github.com/go-stack/stack/LICENSE.md +++ b/constraint/vendor/github.com/blang/semver/LICENSE @@ -1,6 +1,6 @@ -The MIT License (MIT) +The MIT License -Copyright (c) 2014 Chris Hines +Copyright (c) 2014 Benedikt Lang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal @@ -9,13 +9,14 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + diff --git a/constraint/vendor/github.com/blang/semver/README.md b/constraint/vendor/github.com/blang/semver/README.md new file mode 100644 index 000000000..08b2e4a3d --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/README.md @@ -0,0 +1,194 @@ +semver for golang [![Build Status](https://travis-ci.org/blang/semver.svg?branch=master)](https://travis-ci.org/blang/semver) [![GoDoc](https://godoc.org/github.com/blang/semver?status.png)](https://godoc.org/github.com/blang/semver) [![Coverage Status](https://img.shields.io/coveralls/blang/semver.svg)](https://coveralls.io/r/blang/semver?branch=master) +====== + +semver is a [Semantic Versioning](http://semver.org/) library written in golang. It fully covers spec version `2.0.0`. + +Usage +----- +```bash +$ go get github.com/blang/semver +``` +Note: Always vendor your dependencies or fix on a specific version tag. + +```go +import github.com/blang/semver +v1, err := semver.Make("1.0.0-beta") +v2, err := semver.Make("2.0.0-beta") +v1.Compare(v2) +``` + +Also check the [GoDocs](http://godoc.org/github.com/blang/semver). + +Why should I use this lib? +----- + +- Fully spec compatible +- No reflection +- No regex +- Fully tested (Coverage >99%) +- Readable parsing/validation errors +- Fast (See [Benchmarks](#benchmarks)) +- Only Stdlib +- Uses values instead of pointers +- Many features, see below + + +Features +----- + +- Parsing and validation at all levels +- Comparator-like comparisons +- Compare Helper Methods +- InPlace manipulation +- Ranges `>=1.0.0 <2.0.0 || >=3.0.0 !3.0.1-beta.1` +- Wildcards `>=1.x`, `<=2.5.x` +- Sortable (implements sort.Interface) +- database/sql compatible (sql.Scanner/Valuer) +- encoding/json compatible (json.Marshaler/Unmarshaler) + +Ranges +------ + +A `Range` is a set of conditions which specify which versions satisfy the range. + +A condition is composed of an operator and a version. The supported operators are: + +- `<1.0.0` Less than `1.0.0` +- `<=1.0.0` Less than or equal to `1.0.0` +- `>1.0.0` Greater than `1.0.0` +- `>=1.0.0` Greater than or equal to `1.0.0` +- `1.0.0`, `=1.0.0`, `==1.0.0` Equal to `1.0.0` +- `!1.0.0`, `!=1.0.0` Not equal to `1.0.0`. Excludes version `1.0.0`. + +Note that spaces between the operator and the version will be gracefully tolerated. + +A `Range` can link multiple `Ranges` separated by space: + +Ranges can be linked by logical AND: + + - `>1.0.0 <2.0.0` would match between both ranges, so `1.1.1` and `1.8.7` but not `1.0.0` or `2.0.0` + - `>1.0.0 <3.0.0 !2.0.3-beta.2` would match every version between `1.0.0` and `3.0.0` except `2.0.3-beta.2` + +Ranges can also be linked by logical OR: + + - `<2.0.0 || >=3.0.0` would match `1.x.x` and `3.x.x` but not `2.x.x` + +AND has a higher precedence than OR. It's not possible to use brackets. + +Ranges can be combined by both AND and OR + + - `>1.0.0 <2.0.0 || >3.0.0 !4.2.1` would match `1.2.3`, `1.9.9`, `3.1.1`, but not `4.2.1`, `2.1.1` + +Range usage: + +``` +v, err := semver.Parse("1.2.3") +range, err := semver.ParseRange(">1.0.0 <2.0.0 || >=3.0.0") +if range(v) { + //valid +} + +``` + +Example +----- + +Have a look at full examples in [examples/main.go](examples/main.go) + +```go +import github.com/blang/semver + +v, err := semver.Make("0.0.1-alpha.preview+123.github") +fmt.Printf("Major: %d\n", v.Major) +fmt.Printf("Minor: %d\n", v.Minor) +fmt.Printf("Patch: %d\n", v.Patch) +fmt.Printf("Pre: %s\n", v.Pre) +fmt.Printf("Build: %s\n", v.Build) + +// Prerelease versions array +if len(v.Pre) > 0 { + fmt.Println("Prerelease versions:") + for i, pre := range v.Pre { + fmt.Printf("%d: %q\n", i, pre) + } +} + +// Build meta data array +if len(v.Build) > 0 { + fmt.Println("Build meta data:") + for i, build := range v.Build { + fmt.Printf("%d: %q\n", i, build) + } +} + +v001, err := semver.Make("0.0.1") +// Compare using helpers: v.GT(v2), v.LT, v.GTE, v.LTE +v001.GT(v) == true +v.LT(v001) == true +v.GTE(v) == true +v.LTE(v) == true + +// Or use v.Compare(v2) for comparisons (-1, 0, 1): +v001.Compare(v) == 1 +v.Compare(v001) == -1 +v.Compare(v) == 0 + +// Manipulate Version in place: +v.Pre[0], err = semver.NewPRVersion("beta") +if err != nil { + fmt.Printf("Error parsing pre release version: %q", err) +} + +fmt.Println("\nValidate versions:") +v.Build[0] = "?" + +err = v.Validate() +if err != nil { + fmt.Printf("Validation failed: %s\n", err) +} +``` + + +Benchmarks +----- + + BenchmarkParseSimple-4 5000000 390 ns/op 48 B/op 1 allocs/op + BenchmarkParseComplex-4 1000000 1813 ns/op 256 B/op 7 allocs/op + BenchmarkParseAverage-4 1000000 1171 ns/op 163 B/op 4 allocs/op + BenchmarkStringSimple-4 20000000 119 ns/op 16 B/op 1 allocs/op + BenchmarkStringLarger-4 10000000 206 ns/op 32 B/op 2 allocs/op + BenchmarkStringComplex-4 5000000 324 ns/op 80 B/op 3 allocs/op + BenchmarkStringAverage-4 5000000 273 ns/op 53 B/op 2 allocs/op + BenchmarkValidateSimple-4 200000000 9.33 ns/op 0 B/op 0 allocs/op + BenchmarkValidateComplex-4 3000000 469 ns/op 0 B/op 0 allocs/op + BenchmarkValidateAverage-4 5000000 256 ns/op 0 B/op 0 allocs/op + BenchmarkCompareSimple-4 100000000 11.8 ns/op 0 B/op 0 allocs/op + BenchmarkCompareComplex-4 50000000 30.8 ns/op 0 B/op 0 allocs/op + BenchmarkCompareAverage-4 30000000 41.5 ns/op 0 B/op 0 allocs/op + BenchmarkSort-4 3000000 419 ns/op 256 B/op 2 allocs/op + BenchmarkRangeParseSimple-4 2000000 850 ns/op 192 B/op 5 allocs/op + BenchmarkRangeParseAverage-4 1000000 1677 ns/op 400 B/op 10 allocs/op + BenchmarkRangeParseComplex-4 300000 5214 ns/op 1440 B/op 30 allocs/op + BenchmarkRangeMatchSimple-4 50000000 25.6 ns/op 0 B/op 0 allocs/op + BenchmarkRangeMatchAverage-4 30000000 56.4 ns/op 0 B/op 0 allocs/op + BenchmarkRangeMatchComplex-4 10000000 153 ns/op 0 B/op 0 allocs/op + +See benchmark cases at [semver_test.go](semver_test.go) + + +Motivation +----- + +I simply couldn't find any lib supporting the full spec. Others were just wrong or used reflection and regex which i don't like. + + +Contribution +----- + +Feel free to make a pull request. For bigger changes create a issue first to discuss about it. + + +License +----- + +See [LICENSE](LICENSE) file. diff --git a/constraint/vendor/github.com/blang/semver/json.go b/constraint/vendor/github.com/blang/semver/json.go new file mode 100644 index 000000000..a74bf7c44 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/json.go @@ -0,0 +1,23 @@ +package semver + +import ( + "encoding/json" +) + +// MarshalJSON implements the encoding/json.Marshaler interface. +func (v Version) MarshalJSON() ([]byte, error) { + return json.Marshal(v.String()) +} + +// UnmarshalJSON implements the encoding/json.Unmarshaler interface. +func (v *Version) UnmarshalJSON(data []byte) (err error) { + var versionString string + + if err = json.Unmarshal(data, &versionString); err != nil { + return + } + + *v, err = Parse(versionString) + + return +} diff --git a/constraint/vendor/github.com/blang/semver/package.json b/constraint/vendor/github.com/blang/semver/package.json new file mode 100644 index 000000000..1cf8ebdd9 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/package.json @@ -0,0 +1,17 @@ +{ + "author": "blang", + "bugs": { + "URL": "https://github.com/blang/semver/issues", + "url": "https://github.com/blang/semver/issues" + }, + "gx": { + "dvcsimport": "github.com/blang/semver" + }, + "gxVersion": "0.10.0", + "language": "go", + "license": "MIT", + "name": "semver", + "releaseCmd": "git commit -a -m \"gx publish $VERSION\"", + "version": "3.5.1" +} + diff --git a/constraint/vendor/github.com/blang/semver/range.go b/constraint/vendor/github.com/blang/semver/range.go new file mode 100644 index 000000000..fca406d47 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/range.go @@ -0,0 +1,416 @@ +package semver + +import ( + "fmt" + "strconv" + "strings" + "unicode" +) + +type wildcardType int + +const ( + noneWildcard wildcardType = iota + majorWildcard wildcardType = 1 + minorWildcard wildcardType = 2 + patchWildcard wildcardType = 3 +) + +func wildcardTypefromInt(i int) wildcardType { + switch i { + case 1: + return majorWildcard + case 2: + return minorWildcard + case 3: + return patchWildcard + default: + return noneWildcard + } +} + +type comparator func(Version, Version) bool + +var ( + compEQ comparator = func(v1 Version, v2 Version) bool { + return v1.Compare(v2) == 0 + } + compNE = func(v1 Version, v2 Version) bool { + return v1.Compare(v2) != 0 + } + compGT = func(v1 Version, v2 Version) bool { + return v1.Compare(v2) == 1 + } + compGE = func(v1 Version, v2 Version) bool { + return v1.Compare(v2) >= 0 + } + compLT = func(v1 Version, v2 Version) bool { + return v1.Compare(v2) == -1 + } + compLE = func(v1 Version, v2 Version) bool { + return v1.Compare(v2) <= 0 + } +) + +type versionRange struct { + v Version + c comparator +} + +// rangeFunc creates a Range from the given versionRange. +func (vr *versionRange) rangeFunc() Range { + return Range(func(v Version) bool { + return vr.c(v, vr.v) + }) +} + +// Range represents a range of versions. +// A Range can be used to check if a Version satisfies it: +// +// range, err := semver.ParseRange(">1.0.0 <2.0.0") +// range(semver.MustParse("1.1.1") // returns true +type Range func(Version) bool + +// OR combines the existing Range with another Range using logical OR. +func (rf Range) OR(f Range) Range { + return Range(func(v Version) bool { + return rf(v) || f(v) + }) +} + +// AND combines the existing Range with another Range using logical AND. +func (rf Range) AND(f Range) Range { + return Range(func(v Version) bool { + return rf(v) && f(v) + }) +} + +// ParseRange parses a range and returns a Range. +// If the range could not be parsed an error is returned. +// +// Valid ranges are: +// - "<1.0.0" +// - "<=1.0.0" +// - ">1.0.0" +// - ">=1.0.0" +// - "1.0.0", "=1.0.0", "==1.0.0" +// - "!1.0.0", "!=1.0.0" +// +// A Range can consist of multiple ranges separated by space: +// Ranges can be linked by logical AND: +// - ">1.0.0 <2.0.0" would match between both ranges, so "1.1.1" and "1.8.7" but not "1.0.0" or "2.0.0" +// - ">1.0.0 <3.0.0 !2.0.3-beta.2" would match every version between 1.0.0 and 3.0.0 except 2.0.3-beta.2 +// +// Ranges can also be linked by logical OR: +// - "<2.0.0 || >=3.0.0" would match "1.x.x" and "3.x.x" but not "2.x.x" +// +// AND has a higher precedence than OR. It's not possible to use brackets. +// +// Ranges can be combined by both AND and OR +// +// - `>1.0.0 <2.0.0 || >3.0.0 !4.2.1` would match `1.2.3`, `1.9.9`, `3.1.1`, but not `4.2.1`, `2.1.1` +func ParseRange(s string) (Range, error) { + parts := splitAndTrim(s) + orParts, err := splitORParts(parts) + if err != nil { + return nil, err + } + expandedParts, err := expandWildcardVersion(orParts) + if err != nil { + return nil, err + } + var orFn Range + for _, p := range expandedParts { + var andFn Range + for _, ap := range p { + opStr, vStr, err := splitComparatorVersion(ap) + if err != nil { + return nil, err + } + vr, err := buildVersionRange(opStr, vStr) + if err != nil { + return nil, fmt.Errorf("Could not parse Range %q: %s", ap, err) + } + rf := vr.rangeFunc() + + // Set function + if andFn == nil { + andFn = rf + } else { // Combine with existing function + andFn = andFn.AND(rf) + } + } + if orFn == nil { + orFn = andFn + } else { + orFn = orFn.OR(andFn) + } + + } + return orFn, nil +} + +// splitORParts splits the already cleaned parts by '||'. +// Checks for invalid positions of the operator and returns an +// error if found. +func splitORParts(parts []string) ([][]string, error) { + var ORparts [][]string + last := 0 + for i, p := range parts { + if p == "||" { + if i == 0 { + return nil, fmt.Errorf("First element in range is '||'") + } + ORparts = append(ORparts, parts[last:i]) + last = i + 1 + } + } + if last == len(parts) { + return nil, fmt.Errorf("Last element in range is '||'") + } + ORparts = append(ORparts, parts[last:]) + return ORparts, nil +} + +// buildVersionRange takes a slice of 2: operator and version +// and builds a versionRange, otherwise an error. +func buildVersionRange(opStr, vStr string) (*versionRange, error) { + c := parseComparator(opStr) + if c == nil { + return nil, fmt.Errorf("Could not parse comparator %q in %q", opStr, strings.Join([]string{opStr, vStr}, "")) + } + v, err := Parse(vStr) + if err != nil { + return nil, fmt.Errorf("Could not parse version %q in %q: %s", vStr, strings.Join([]string{opStr, vStr}, ""), err) + } + + return &versionRange{ + v: v, + c: c, + }, nil + +} + +// inArray checks if a byte is contained in an array of bytes +func inArray(s byte, list []byte) bool { + for _, el := range list { + if el == s { + return true + } + } + return false +} + +// splitAndTrim splits a range string by spaces and cleans whitespaces +func splitAndTrim(s string) (result []string) { + last := 0 + var lastChar byte + excludeFromSplit := []byte{'>', '<', '='} + for i := 0; i < len(s); i++ { + if s[i] == ' ' && !inArray(lastChar, excludeFromSplit) { + if last < i-1 { + result = append(result, s[last:i]) + } + last = i + 1 + } else if s[i] != ' ' { + lastChar = s[i] + } + } + if last < len(s)-1 { + result = append(result, s[last:]) + } + + for i, v := range result { + result[i] = strings.Replace(v, " ", "", -1) + } + + // parts := strings.Split(s, " ") + // for _, x := range parts { + // if s := strings.TrimSpace(x); len(s) != 0 { + // result = append(result, s) + // } + // } + return +} + +// splitComparatorVersion splits the comparator from the version. +// Input must be free of leading or trailing spaces. +func splitComparatorVersion(s string) (string, string, error) { + i := strings.IndexFunc(s, unicode.IsDigit) + if i == -1 { + return "", "", fmt.Errorf("Could not get version from string: %q", s) + } + return strings.TrimSpace(s[0:i]), s[i:], nil +} + +// getWildcardType will return the type of wildcard that the +// passed version contains +func getWildcardType(vStr string) wildcardType { + parts := strings.Split(vStr, ".") + nparts := len(parts) + wildcard := parts[nparts-1] + + possibleWildcardType := wildcardTypefromInt(nparts) + if wildcard == "x" { + return possibleWildcardType + } + + return noneWildcard +} + +// createVersionFromWildcard will convert a wildcard version +// into a regular version, replacing 'x's with '0's, handling +// special cases like '1.x.x' and '1.x' +func createVersionFromWildcard(vStr string) string { + // handle 1.x.x + vStr2 := strings.Replace(vStr, ".x.x", ".x", 1) + vStr2 = strings.Replace(vStr2, ".x", ".0", 1) + parts := strings.Split(vStr2, ".") + + // handle 1.x + if len(parts) == 2 { + return vStr2 + ".0" + } + + return vStr2 +} + +// incrementMajorVersion will increment the major version +// of the passed version +func incrementMajorVersion(vStr string) (string, error) { + parts := strings.Split(vStr, ".") + i, err := strconv.Atoi(parts[0]) + if err != nil { + return "", err + } + parts[0] = strconv.Itoa(i + 1) + + return strings.Join(parts, "."), nil +} + +// incrementMajorVersion will increment the minor version +// of the passed version +func incrementMinorVersion(vStr string) (string, error) { + parts := strings.Split(vStr, ".") + i, err := strconv.Atoi(parts[1]) + if err != nil { + return "", err + } + parts[1] = strconv.Itoa(i + 1) + + return strings.Join(parts, "."), nil +} + +// expandWildcardVersion will expand wildcards inside versions +// following these rules: +// +// * when dealing with patch wildcards: +// >= 1.2.x will become >= 1.2.0 +// <= 1.2.x will become < 1.3.0 +// > 1.2.x will become >= 1.3.0 +// < 1.2.x will become < 1.2.0 +// != 1.2.x will become < 1.2.0 >= 1.3.0 +// +// * when dealing with minor wildcards: +// >= 1.x will become >= 1.0.0 +// <= 1.x will become < 2.0.0 +// > 1.x will become >= 2.0.0 +// < 1.0 will become < 1.0.0 +// != 1.x will become < 1.0.0 >= 2.0.0 +// +// * when dealing with wildcards without +// version operator: +// 1.2.x will become >= 1.2.0 < 1.3.0 +// 1.x will become >= 1.0.0 < 2.0.0 +func expandWildcardVersion(parts [][]string) ([][]string, error) { + var expandedParts [][]string + for _, p := range parts { + var newParts []string + for _, ap := range p { + if strings.Index(ap, "x") != -1 { + opStr, vStr, err := splitComparatorVersion(ap) + if err != nil { + return nil, err + } + + versionWildcardType := getWildcardType(vStr) + flatVersion := createVersionFromWildcard(vStr) + + var resultOperator string + var shouldIncrementVersion bool + switch opStr { + case ">": + resultOperator = ">=" + shouldIncrementVersion = true + case ">=": + resultOperator = ">=" + case "<": + resultOperator = "<" + case "<=": + resultOperator = "<" + shouldIncrementVersion = true + case "", "=", "==": + newParts = append(newParts, ">="+flatVersion) + resultOperator = "<" + shouldIncrementVersion = true + case "!=", "!": + newParts = append(newParts, "<"+flatVersion) + resultOperator = ">=" + shouldIncrementVersion = true + } + + var resultVersion string + if shouldIncrementVersion { + switch versionWildcardType { + case patchWildcard: + resultVersion, _ = incrementMinorVersion(flatVersion) + case minorWildcard: + resultVersion, _ = incrementMajorVersion(flatVersion) + } + } else { + resultVersion = flatVersion + } + + ap = resultOperator + resultVersion + } + newParts = append(newParts, ap) + } + expandedParts = append(expandedParts, newParts) + } + + return expandedParts, nil +} + +func parseComparator(s string) comparator { + switch s { + case "==": + fallthrough + case "": + fallthrough + case "=": + return compEQ + case ">": + return compGT + case ">=": + return compGE + case "<": + return compLT + case "<=": + return compLE + case "!": + fallthrough + case "!=": + return compNE + } + + return nil +} + +// MustParseRange is like ParseRange but panics if the range cannot be parsed. +func MustParseRange(s string) Range { + r, err := ParseRange(s) + if err != nil { + panic(`semver: ParseRange(` + s + `): ` + err.Error()) + } + return r +} diff --git a/constraint/vendor/github.com/blang/semver/semver.go b/constraint/vendor/github.com/blang/semver/semver.go new file mode 100644 index 000000000..8ee0842e6 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/semver.go @@ -0,0 +1,418 @@ +package semver + +import ( + "errors" + "fmt" + "strconv" + "strings" +) + +const ( + numbers string = "0123456789" + alphas = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-" + alphanum = alphas + numbers +) + +// SpecVersion is the latest fully supported spec version of semver +var SpecVersion = Version{ + Major: 2, + Minor: 0, + Patch: 0, +} + +// Version represents a semver compatible version +type Version struct { + Major uint64 + Minor uint64 + Patch uint64 + Pre []PRVersion + Build []string //No Precendence +} + +// Version to string +func (v Version) String() string { + b := make([]byte, 0, 5) + b = strconv.AppendUint(b, v.Major, 10) + b = append(b, '.') + b = strconv.AppendUint(b, v.Minor, 10) + b = append(b, '.') + b = strconv.AppendUint(b, v.Patch, 10) + + if len(v.Pre) > 0 { + b = append(b, '-') + b = append(b, v.Pre[0].String()...) + + for _, pre := range v.Pre[1:] { + b = append(b, '.') + b = append(b, pre.String()...) + } + } + + if len(v.Build) > 0 { + b = append(b, '+') + b = append(b, v.Build[0]...) + + for _, build := range v.Build[1:] { + b = append(b, '.') + b = append(b, build...) + } + } + + return string(b) +} + +// Equals checks if v is equal to o. +func (v Version) Equals(o Version) bool { + return (v.Compare(o) == 0) +} + +// EQ checks if v is equal to o. +func (v Version) EQ(o Version) bool { + return (v.Compare(o) == 0) +} + +// NE checks if v is not equal to o. +func (v Version) NE(o Version) bool { + return (v.Compare(o) != 0) +} + +// GT checks if v is greater than o. +func (v Version) GT(o Version) bool { + return (v.Compare(o) == 1) +} + +// GTE checks if v is greater than or equal to o. +func (v Version) GTE(o Version) bool { + return (v.Compare(o) >= 0) +} + +// GE checks if v is greater than or equal to o. +func (v Version) GE(o Version) bool { + return (v.Compare(o) >= 0) +} + +// LT checks if v is less than o. +func (v Version) LT(o Version) bool { + return (v.Compare(o) == -1) +} + +// LTE checks if v is less than or equal to o. +func (v Version) LTE(o Version) bool { + return (v.Compare(o) <= 0) +} + +// LE checks if v is less than or equal to o. +func (v Version) LE(o Version) bool { + return (v.Compare(o) <= 0) +} + +// Compare compares Versions v to o: +// -1 == v is less than o +// 0 == v is equal to o +// 1 == v is greater than o +func (v Version) Compare(o Version) int { + if v.Major != o.Major { + if v.Major > o.Major { + return 1 + } + return -1 + } + if v.Minor != o.Minor { + if v.Minor > o.Minor { + return 1 + } + return -1 + } + if v.Patch != o.Patch { + if v.Patch > o.Patch { + return 1 + } + return -1 + } + + // Quick comparison if a version has no prerelease versions + if len(v.Pre) == 0 && len(o.Pre) == 0 { + return 0 + } else if len(v.Pre) == 0 && len(o.Pre) > 0 { + return 1 + } else if len(v.Pre) > 0 && len(o.Pre) == 0 { + return -1 + } + + i := 0 + for ; i < len(v.Pre) && i < len(o.Pre); i++ { + if comp := v.Pre[i].Compare(o.Pre[i]); comp == 0 { + continue + } else if comp == 1 { + return 1 + } else { + return -1 + } + } + + // If all pr versions are the equal but one has further prversion, this one greater + if i == len(v.Pre) && i == len(o.Pre) { + return 0 + } else if i == len(v.Pre) && i < len(o.Pre) { + return -1 + } else { + return 1 + } + +} + +// Validate validates v and returns error in case +func (v Version) Validate() error { + // Major, Minor, Patch already validated using uint64 + + for _, pre := range v.Pre { + if !pre.IsNum { //Numeric prerelease versions already uint64 + if len(pre.VersionStr) == 0 { + return fmt.Errorf("Prerelease can not be empty %q", pre.VersionStr) + } + if !containsOnly(pre.VersionStr, alphanum) { + return fmt.Errorf("Invalid character(s) found in prerelease %q", pre.VersionStr) + } + } + } + + for _, build := range v.Build { + if len(build) == 0 { + return fmt.Errorf("Build meta data can not be empty %q", build) + } + if !containsOnly(build, alphanum) { + return fmt.Errorf("Invalid character(s) found in build meta data %q", build) + } + } + + return nil +} + +// New is an alias for Parse and returns a pointer, parses version string and returns a validated Version or error +func New(s string) (vp *Version, err error) { + v, err := Parse(s) + vp = &v + return +} + +// Make is an alias for Parse, parses version string and returns a validated Version or error +func Make(s string) (Version, error) { + return Parse(s) +} + +// ParseTolerant allows for certain version specifications that do not strictly adhere to semver +// specs to be parsed by this library. It does so by normalizing versions before passing them to +// Parse(). It currently trims spaces, removes a "v" prefix, and adds a 0 patch number to versions +// with only major and minor components specified +func ParseTolerant(s string) (Version, error) { + s = strings.TrimSpace(s) + s = strings.TrimPrefix(s, "v") + + // Split into major.minor.(patch+pr+meta) + parts := strings.SplitN(s, ".", 3) + if len(parts) < 3 { + if strings.ContainsAny(parts[len(parts)-1], "+-") { + return Version{}, errors.New("Short version cannot contain PreRelease/Build meta data") + } + for len(parts) < 3 { + parts = append(parts, "0") + } + s = strings.Join(parts, ".") + } + + return Parse(s) +} + +// Parse parses version string and returns a validated Version or error +func Parse(s string) (Version, error) { + if len(s) == 0 { + return Version{}, errors.New("Version string empty") + } + + // Split into major.minor.(patch+pr+meta) + parts := strings.SplitN(s, ".", 3) + if len(parts) != 3 { + return Version{}, errors.New("No Major.Minor.Patch elements found") + } + + // Major + if !containsOnly(parts[0], numbers) { + return Version{}, fmt.Errorf("Invalid character(s) found in major number %q", parts[0]) + } + if hasLeadingZeroes(parts[0]) { + return Version{}, fmt.Errorf("Major number must not contain leading zeroes %q", parts[0]) + } + major, err := strconv.ParseUint(parts[0], 10, 64) + if err != nil { + return Version{}, err + } + + // Minor + if !containsOnly(parts[1], numbers) { + return Version{}, fmt.Errorf("Invalid character(s) found in minor number %q", parts[1]) + } + if hasLeadingZeroes(parts[1]) { + return Version{}, fmt.Errorf("Minor number must not contain leading zeroes %q", parts[1]) + } + minor, err := strconv.ParseUint(parts[1], 10, 64) + if err != nil { + return Version{}, err + } + + v := Version{} + v.Major = major + v.Minor = minor + + var build, prerelease []string + patchStr := parts[2] + + if buildIndex := strings.IndexRune(patchStr, '+'); buildIndex != -1 { + build = strings.Split(patchStr[buildIndex+1:], ".") + patchStr = patchStr[:buildIndex] + } + + if preIndex := strings.IndexRune(patchStr, '-'); preIndex != -1 { + prerelease = strings.Split(patchStr[preIndex+1:], ".") + patchStr = patchStr[:preIndex] + } + + if !containsOnly(patchStr, numbers) { + return Version{}, fmt.Errorf("Invalid character(s) found in patch number %q", patchStr) + } + if hasLeadingZeroes(patchStr) { + return Version{}, fmt.Errorf("Patch number must not contain leading zeroes %q", patchStr) + } + patch, err := strconv.ParseUint(patchStr, 10, 64) + if err != nil { + return Version{}, err + } + + v.Patch = patch + + // Prerelease + for _, prstr := range prerelease { + parsedPR, err := NewPRVersion(prstr) + if err != nil { + return Version{}, err + } + v.Pre = append(v.Pre, parsedPR) + } + + // Build meta data + for _, str := range build { + if len(str) == 0 { + return Version{}, errors.New("Build meta data is empty") + } + if !containsOnly(str, alphanum) { + return Version{}, fmt.Errorf("Invalid character(s) found in build meta data %q", str) + } + v.Build = append(v.Build, str) + } + + return v, nil +} + +// MustParse is like Parse but panics if the version cannot be parsed. +func MustParse(s string) Version { + v, err := Parse(s) + if err != nil { + panic(`semver: Parse(` + s + `): ` + err.Error()) + } + return v +} + +// PRVersion represents a PreRelease Version +type PRVersion struct { + VersionStr string + VersionNum uint64 + IsNum bool +} + +// NewPRVersion creates a new valid prerelease version +func NewPRVersion(s string) (PRVersion, error) { + if len(s) == 0 { + return PRVersion{}, errors.New("Prerelease is empty") + } + v := PRVersion{} + if containsOnly(s, numbers) { + if hasLeadingZeroes(s) { + return PRVersion{}, fmt.Errorf("Numeric PreRelease version must not contain leading zeroes %q", s) + } + num, err := strconv.ParseUint(s, 10, 64) + + // Might never be hit, but just in case + if err != nil { + return PRVersion{}, err + } + v.VersionNum = num + v.IsNum = true + } else if containsOnly(s, alphanum) { + v.VersionStr = s + v.IsNum = false + } else { + return PRVersion{}, fmt.Errorf("Invalid character(s) found in prerelease %q", s) + } + return v, nil +} + +// IsNumeric checks if prerelease-version is numeric +func (v PRVersion) IsNumeric() bool { + return v.IsNum +} + +// Compare compares two PreRelease Versions v and o: +// -1 == v is less than o +// 0 == v is equal to o +// 1 == v is greater than o +func (v PRVersion) Compare(o PRVersion) int { + if v.IsNum && !o.IsNum { + return -1 + } else if !v.IsNum && o.IsNum { + return 1 + } else if v.IsNum && o.IsNum { + if v.VersionNum == o.VersionNum { + return 0 + } else if v.VersionNum > o.VersionNum { + return 1 + } else { + return -1 + } + } else { // both are Alphas + if v.VersionStr == o.VersionStr { + return 0 + } else if v.VersionStr > o.VersionStr { + return 1 + } else { + return -1 + } + } +} + +// PreRelease version to string +func (v PRVersion) String() string { + if v.IsNum { + return strconv.FormatUint(v.VersionNum, 10) + } + return v.VersionStr +} + +func containsOnly(s string, set string) bool { + return strings.IndexFunc(s, func(r rune) bool { + return !strings.ContainsRune(set, r) + }) == -1 +} + +func hasLeadingZeroes(s string) bool { + return len(s) > 1 && s[0] == '0' +} + +// NewBuildVersion creates a new valid build version +func NewBuildVersion(s string) (string, error) { + if len(s) == 0 { + return "", errors.New("Buildversion is empty") + } + if !containsOnly(s, alphanum) { + return "", fmt.Errorf("Invalid character(s) found in build meta data %q", s) + } + return s, nil +} diff --git a/constraint/vendor/github.com/blang/semver/sort.go b/constraint/vendor/github.com/blang/semver/sort.go new file mode 100644 index 000000000..e18f88082 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/sort.go @@ -0,0 +1,28 @@ +package semver + +import ( + "sort" +) + +// Versions represents multiple versions. +type Versions []Version + +// Len returns length of version collection +func (s Versions) Len() int { + return len(s) +} + +// Swap swaps two versions inside the collection by its indices +func (s Versions) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +// Less checks if version at index i is less than version at index j +func (s Versions) Less(i, j int) bool { + return s[i].LT(s[j]) +} + +// Sort sorts a slice of versions +func Sort(versions []Version) { + sort.Sort(Versions(versions)) +} diff --git a/constraint/vendor/github.com/blang/semver/sql.go b/constraint/vendor/github.com/blang/semver/sql.go new file mode 100644 index 000000000..eb4d80266 --- /dev/null +++ b/constraint/vendor/github.com/blang/semver/sql.go @@ -0,0 +1,30 @@ +package semver + +import ( + "database/sql/driver" + "fmt" +) + +// Scan implements the database/sql.Scanner interface. +func (v *Version) Scan(src interface{}) (err error) { + var str string + switch src := src.(type) { + case string: + str = src + case []byte: + str = string(src) + default: + return fmt.Errorf("Version.Scan: cannot convert %T to string.", src) + } + + if t, err := Parse(str); err == nil { + *v = t + } + + return +} + +// Value implements the database/sql/driver.Valuer interface. +func (v Version) Value() (driver.Value, error) { + return v.String(), nil +} diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/.travis.yml b/constraint/vendor/github.com/cespare/xxhash/v2/.travis.yml new file mode 100644 index 000000000..c516ea88d --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/.travis.yml @@ -0,0 +1,8 @@ +language: go +go: + - "1.x" + - master +env: + - TAGS="" + - TAGS="-tags purego" +script: go test $TAGS -v ./... diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/LICENSE.txt b/constraint/vendor/github.com/cespare/xxhash/v2/LICENSE.txt new file mode 100644 index 000000000..24b53065f --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/LICENSE.txt @@ -0,0 +1,22 @@ +Copyright (c) 2016 Caleb Spare + +MIT License + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/README.md b/constraint/vendor/github.com/cespare/xxhash/v2/README.md new file mode 100644 index 000000000..2fd8693c2 --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/README.md @@ -0,0 +1,67 @@ +# xxhash + +[![GoDoc](https://godoc.org/github.com/cespare/xxhash?status.svg)](https://godoc.org/github.com/cespare/xxhash) +[![Build Status](https://travis-ci.org/cespare/xxhash.svg?branch=master)](https://travis-ci.org/cespare/xxhash) + +xxhash is a Go implementation of the 64-bit +[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a +high-quality hashing algorithm that is much faster than anything in the Go +standard library. + +This package provides a straightforward API: + +``` +func Sum64(b []byte) uint64 +func Sum64String(s string) uint64 +type Digest struct{ ... } + func New() *Digest +``` + +The `Digest` type implements hash.Hash64. Its key methods are: + +``` +func (*Digest) Write([]byte) (int, error) +func (*Digest) WriteString(string) (int, error) +func (*Digest) Sum64() uint64 +``` + +This implementation provides a fast pure-Go implementation and an even faster +assembly implementation for amd64. + +## Compatibility + +This package is in a module and the latest code is in version 2 of the module. +You need a version of Go with at least "minimal module compatibility" to use +github.com/cespare/xxhash/v2: + +* 1.9.7+ for Go 1.9 +* 1.10.3+ for Go 1.10 +* Go 1.11 or later + +I recommend using the latest release of Go. + +## Benchmarks + +Here are some quick benchmarks comparing the pure-Go and assembly +implementations of Sum64. + +| input size | purego | asm | +| --- | --- | --- | +| 5 B | 979.66 MB/s | 1291.17 MB/s | +| 100 B | 7475.26 MB/s | 7973.40 MB/s | +| 4 KB | 17573.46 MB/s | 17602.65 MB/s | +| 10 MB | 17131.46 MB/s | 17142.16 MB/s | + +These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using +the following commands under Go 1.11.2: + +``` +$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes' +$ go test -benchtime 10s -bench '/xxhash,direct,bytes' +``` + +## Projects using this package + +- [InfluxDB](https://github.com/influxdata/influxdb) +- [Prometheus](https://github.com/prometheus/prometheus) +- [FreeCache](https://github.com/coocood/freecache) diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/go.mod b/constraint/vendor/github.com/cespare/xxhash/v2/go.mod new file mode 100644 index 000000000..49f67608b --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/go.mod @@ -0,0 +1,3 @@ +module github.com/cespare/xxhash/v2 + +go 1.11 diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/go.sum b/constraint/vendor/github.com/cespare/xxhash/v2/go.sum new file mode 100644 index 000000000..e69de29bb diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/xxhash.go b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash.go new file mode 100644 index 000000000..db0b35fbe --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash.go @@ -0,0 +1,236 @@ +// Package xxhash implements the 64-bit variant of xxHash (XXH64) as described +// at http://cyan4973.github.io/xxHash/. +package xxhash + +import ( + "encoding/binary" + "errors" + "math/bits" +) + +const ( + prime1 uint64 = 11400714785074694791 + prime2 uint64 = 14029467366897019727 + prime3 uint64 = 1609587929392839161 + prime4 uint64 = 9650029242287828579 + prime5 uint64 = 2870177450012600261 +) + +// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where +// possible in the Go code is worth a small (but measurable) performance boost +// by avoiding some MOVQs. Vars are needed for the asm and also are useful for +// convenience in the Go code in a few places where we need to intentionally +// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the +// result overflows a uint64). +var ( + prime1v = prime1 + prime2v = prime2 + prime3v = prime3 + prime4v = prime4 + prime5v = prime5 +) + +// Digest implements hash.Hash64. +type Digest struct { + v1 uint64 + v2 uint64 + v3 uint64 + v4 uint64 + total uint64 + mem [32]byte + n int // how much of mem is used +} + +// New creates a new Digest that computes the 64-bit xxHash algorithm. +func New() *Digest { + var d Digest + d.Reset() + return &d +} + +// Reset clears the Digest's state so that it can be reused. +func (d *Digest) Reset() { + d.v1 = prime1v + prime2 + d.v2 = prime2 + d.v3 = 0 + d.v4 = -prime1v + d.total = 0 + d.n = 0 +} + +// Size always returns 8 bytes. +func (d *Digest) Size() int { return 8 } + +// BlockSize always returns 32 bytes. +func (d *Digest) BlockSize() int { return 32 } + +// Write adds more data to d. It always returns len(b), nil. +func (d *Digest) Write(b []byte) (n int, err error) { + n = len(b) + d.total += uint64(n) + + if d.n+n < 32 { + // This new data doesn't even fill the current block. + copy(d.mem[d.n:], b) + d.n += n + return + } + + if d.n > 0 { + // Finish off the partial block. + copy(d.mem[d.n:], b) + d.v1 = round(d.v1, u64(d.mem[0:8])) + d.v2 = round(d.v2, u64(d.mem[8:16])) + d.v3 = round(d.v3, u64(d.mem[16:24])) + d.v4 = round(d.v4, u64(d.mem[24:32])) + b = b[32-d.n:] + d.n = 0 + } + + if len(b) >= 32 { + // One or more full blocks left. + nw := writeBlocks(d, b) + b = b[nw:] + } + + // Store any remaining partial block. + copy(d.mem[:], b) + d.n = len(b) + + return +} + +// Sum appends the current hash to b and returns the resulting slice. +func (d *Digest) Sum(b []byte) []byte { + s := d.Sum64() + return append( + b, + byte(s>>56), + byte(s>>48), + byte(s>>40), + byte(s>>32), + byte(s>>24), + byte(s>>16), + byte(s>>8), + byte(s), + ) +} + +// Sum64 returns the current hash. +func (d *Digest) Sum64() uint64 { + var h uint64 + + if d.total >= 32 { + v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4 + h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4) + h = mergeRound(h, v1) + h = mergeRound(h, v2) + h = mergeRound(h, v3) + h = mergeRound(h, v4) + } else { + h = d.v3 + prime5 + } + + h += d.total + + i, end := 0, d.n + for ; i+8 <= end; i += 8 { + k1 := round(0, u64(d.mem[i:i+8])) + h ^= k1 + h = rol27(h)*prime1 + prime4 + } + if i+4 <= end { + h ^= uint64(u32(d.mem[i:i+4])) * prime1 + h = rol23(h)*prime2 + prime3 + i += 4 + } + for i < end { + h ^= uint64(d.mem[i]) * prime5 + h = rol11(h) * prime1 + i++ + } + + h ^= h >> 33 + h *= prime2 + h ^= h >> 29 + h *= prime3 + h ^= h >> 32 + + return h +} + +const ( + magic = "xxh\x06" + marshaledSize = len(magic) + 8*5 + 32 +) + +// MarshalBinary implements the encoding.BinaryMarshaler interface. +func (d *Digest) MarshalBinary() ([]byte, error) { + b := make([]byte, 0, marshaledSize) + b = append(b, magic...) + b = appendUint64(b, d.v1) + b = appendUint64(b, d.v2) + b = appendUint64(b, d.v3) + b = appendUint64(b, d.v4) + b = appendUint64(b, d.total) + b = append(b, d.mem[:d.n]...) + b = b[:len(b)+len(d.mem)-d.n] + return b, nil +} + +// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface. +func (d *Digest) UnmarshalBinary(b []byte) error { + if len(b) < len(magic) || string(b[:len(magic)]) != magic { + return errors.New("xxhash: invalid hash state identifier") + } + if len(b) != marshaledSize { + return errors.New("xxhash: invalid hash state size") + } + b = b[len(magic):] + b, d.v1 = consumeUint64(b) + b, d.v2 = consumeUint64(b) + b, d.v3 = consumeUint64(b) + b, d.v4 = consumeUint64(b) + b, d.total = consumeUint64(b) + copy(d.mem[:], b) + b = b[len(d.mem):] + d.n = int(d.total % uint64(len(d.mem))) + return nil +} + +func appendUint64(b []byte, x uint64) []byte { + var a [8]byte + binary.LittleEndian.PutUint64(a[:], x) + return append(b, a[:]...) +} + +func consumeUint64(b []byte) ([]byte, uint64) { + x := u64(b) + return b[8:], x +} + +func u64(b []byte) uint64 { return binary.LittleEndian.Uint64(b) } +func u32(b []byte) uint32 { return binary.LittleEndian.Uint32(b) } + +func round(acc, input uint64) uint64 { + acc += input * prime2 + acc = rol31(acc) + acc *= prime1 + return acc +} + +func mergeRound(acc, val uint64) uint64 { + val = round(0, val) + acc ^= val + acc = acc*prime1 + prime4 + return acc +} + +func rol1(x uint64) uint64 { return bits.RotateLeft64(x, 1) } +func rol7(x uint64) uint64 { return bits.RotateLeft64(x, 7) } +func rol11(x uint64) uint64 { return bits.RotateLeft64(x, 11) } +func rol12(x uint64) uint64 { return bits.RotateLeft64(x, 12) } +func rol18(x uint64) uint64 { return bits.RotateLeft64(x, 18) } +func rol23(x uint64) uint64 { return bits.RotateLeft64(x, 23) } +func rol27(x uint64) uint64 { return bits.RotateLeft64(x, 27) } +func rol31(x uint64) uint64 { return bits.RotateLeft64(x, 31) } diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go new file mode 100644 index 000000000..ad14b807f --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go @@ -0,0 +1,13 @@ +// +build !appengine +// +build gc +// +build !purego + +package xxhash + +// Sum64 computes the 64-bit xxHash digest of b. +// +//go:noescape +func Sum64(b []byte) uint64 + +//go:noescape +func writeBlocks(d *Digest, b []byte) int diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s new file mode 100644 index 000000000..d580e32ae --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s @@ -0,0 +1,215 @@ +// +build !appengine +// +build gc +// +build !purego + +#include "textflag.h" + +// Register allocation: +// AX h +// CX pointer to advance through b +// DX n +// BX loop end +// R8 v1, k1 +// R9 v2 +// R10 v3 +// R11 v4 +// R12 tmp +// R13 prime1v +// R14 prime2v +// R15 prime4v + +// round reads from and advances the buffer pointer in CX. +// It assumes that R13 has prime1v and R14 has prime2v. +#define round(r) \ + MOVQ (CX), R12 \ + ADDQ $8, CX \ + IMULQ R14, R12 \ + ADDQ R12, r \ + ROLQ $31, r \ + IMULQ R13, r + +// mergeRound applies a merge round on the two registers acc and val. +// It assumes that R13 has prime1v, R14 has prime2v, and R15 has prime4v. +#define mergeRound(acc, val) \ + IMULQ R14, val \ + ROLQ $31, val \ + IMULQ R13, val \ + XORQ val, acc \ + IMULQ R13, acc \ + ADDQ R15, acc + +// func Sum64(b []byte) uint64 +TEXT ·Sum64(SB), NOSPLIT, $0-32 + // Load fixed primes. + MOVQ ·prime1v(SB), R13 + MOVQ ·prime2v(SB), R14 + MOVQ ·prime4v(SB), R15 + + // Load slice. + MOVQ b_base+0(FP), CX + MOVQ b_len+8(FP), DX + LEAQ (CX)(DX*1), BX + + // The first loop limit will be len(b)-32. + SUBQ $32, BX + + // Check whether we have at least one block. + CMPQ DX, $32 + JLT noBlocks + + // Set up initial state (v1, v2, v3, v4). + MOVQ R13, R8 + ADDQ R14, R8 + MOVQ R14, R9 + XORQ R10, R10 + XORQ R11, R11 + SUBQ R13, R11 + + // Loop until CX > BX. +blockLoop: + round(R8) + round(R9) + round(R10) + round(R11) + + CMPQ CX, BX + JLE blockLoop + + MOVQ R8, AX + ROLQ $1, AX + MOVQ R9, R12 + ROLQ $7, R12 + ADDQ R12, AX + MOVQ R10, R12 + ROLQ $12, R12 + ADDQ R12, AX + MOVQ R11, R12 + ROLQ $18, R12 + ADDQ R12, AX + + mergeRound(AX, R8) + mergeRound(AX, R9) + mergeRound(AX, R10) + mergeRound(AX, R11) + + JMP afterBlocks + +noBlocks: + MOVQ ·prime5v(SB), AX + +afterBlocks: + ADDQ DX, AX + + // Right now BX has len(b)-32, and we want to loop until CX > len(b)-8. + ADDQ $24, BX + + CMPQ CX, BX + JG fourByte + +wordLoop: + // Calculate k1. + MOVQ (CX), R8 + ADDQ $8, CX + IMULQ R14, R8 + ROLQ $31, R8 + IMULQ R13, R8 + + XORQ R8, AX + ROLQ $27, AX + IMULQ R13, AX + ADDQ R15, AX + + CMPQ CX, BX + JLE wordLoop + +fourByte: + ADDQ $4, BX + CMPQ CX, BX + JG singles + + MOVL (CX), R8 + ADDQ $4, CX + IMULQ R13, R8 + XORQ R8, AX + + ROLQ $23, AX + IMULQ R14, AX + ADDQ ·prime3v(SB), AX + +singles: + ADDQ $4, BX + CMPQ CX, BX + JGE finalize + +singlesLoop: + MOVBQZX (CX), R12 + ADDQ $1, CX + IMULQ ·prime5v(SB), R12 + XORQ R12, AX + + ROLQ $11, AX + IMULQ R13, AX + + CMPQ CX, BX + JL singlesLoop + +finalize: + MOVQ AX, R12 + SHRQ $33, R12 + XORQ R12, AX + IMULQ R14, AX + MOVQ AX, R12 + SHRQ $29, R12 + XORQ R12, AX + IMULQ ·prime3v(SB), AX + MOVQ AX, R12 + SHRQ $32, R12 + XORQ R12, AX + + MOVQ AX, ret+24(FP) + RET + +// writeBlocks uses the same registers as above except that it uses AX to store +// the d pointer. + +// func writeBlocks(d *Digest, b []byte) int +TEXT ·writeBlocks(SB), NOSPLIT, $0-40 + // Load fixed primes needed for round. + MOVQ ·prime1v(SB), R13 + MOVQ ·prime2v(SB), R14 + + // Load slice. + MOVQ b_base+8(FP), CX + MOVQ b_len+16(FP), DX + LEAQ (CX)(DX*1), BX + SUBQ $32, BX + + // Load vN from d. + MOVQ d+0(FP), AX + MOVQ 0(AX), R8 // v1 + MOVQ 8(AX), R9 // v2 + MOVQ 16(AX), R10 // v3 + MOVQ 24(AX), R11 // v4 + + // We don't need to check the loop condition here; this function is + // always called with at least one block of data to process. +blockLoop: + round(R8) + round(R9) + round(R10) + round(R11) + + CMPQ CX, BX + JLE blockLoop + + // Copy vN back to d. + MOVQ R8, 0(AX) + MOVQ R9, 8(AX) + MOVQ R10, 16(AX) + MOVQ R11, 24(AX) + + // The number of bytes written is CX minus the old base pointer. + SUBQ b_base+8(FP), CX + MOVQ CX, ret+32(FP) + + RET diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_other.go b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_other.go new file mode 100644 index 000000000..4a5a82160 --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_other.go @@ -0,0 +1,76 @@ +// +build !amd64 appengine !gc purego + +package xxhash + +// Sum64 computes the 64-bit xxHash digest of b. +func Sum64(b []byte) uint64 { + // A simpler version would be + // d := New() + // d.Write(b) + // return d.Sum64() + // but this is faster, particularly for small inputs. + + n := len(b) + var h uint64 + + if n >= 32 { + v1 := prime1v + prime2 + v2 := prime2 + v3 := uint64(0) + v4 := -prime1v + for len(b) >= 32 { + v1 = round(v1, u64(b[0:8:len(b)])) + v2 = round(v2, u64(b[8:16:len(b)])) + v3 = round(v3, u64(b[16:24:len(b)])) + v4 = round(v4, u64(b[24:32:len(b)])) + b = b[32:len(b):len(b)] + } + h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4) + h = mergeRound(h, v1) + h = mergeRound(h, v2) + h = mergeRound(h, v3) + h = mergeRound(h, v4) + } else { + h = prime5 + } + + h += uint64(n) + + i, end := 0, len(b) + for ; i+8 <= end; i += 8 { + k1 := round(0, u64(b[i:i+8:len(b)])) + h ^= k1 + h = rol27(h)*prime1 + prime4 + } + if i+4 <= end { + h ^= uint64(u32(b[i:i+4:len(b)])) * prime1 + h = rol23(h)*prime2 + prime3 + i += 4 + } + for ; i < end; i++ { + h ^= uint64(b[i]) * prime5 + h = rol11(h) * prime1 + } + + h ^= h >> 33 + h *= prime2 + h ^= h >> 29 + h *= prime3 + h ^= h >> 32 + + return h +} + +func writeBlocks(d *Digest, b []byte) int { + v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4 + n := len(b) + for len(b) >= 32 { + v1 = round(v1, u64(b[0:8:len(b)])) + v2 = round(v2, u64(b[8:16:len(b)])) + v3 = round(v3, u64(b[16:24:len(b)])) + v4 = round(v4, u64(b[24:32:len(b)])) + b = b[32:len(b):len(b)] + } + d.v1, d.v2, d.v3, d.v4 = v1, v2, v3, v4 + return n - len(b) +} diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go new file mode 100644 index 000000000..fc9bea7a3 --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go @@ -0,0 +1,15 @@ +// +build appengine + +// This file contains the safe implementations of otherwise unsafe-using code. + +package xxhash + +// Sum64String computes the 64-bit xxHash digest of s. +func Sum64String(s string) uint64 { + return Sum64([]byte(s)) +} + +// WriteString adds more data to d. It always returns len(s), nil. +func (d *Digest) WriteString(s string) (n int, err error) { + return d.Write([]byte(s)) +} diff --git a/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go new file mode 100644 index 000000000..53bf76efb --- /dev/null +++ b/constraint/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go @@ -0,0 +1,46 @@ +// +build !appengine + +// This file encapsulates usage of unsafe. +// xxhash_safe.go contains the safe implementations. + +package xxhash + +import ( + "reflect" + "unsafe" +) + +// Notes: +// +// See https://groups.google.com/d/msg/golang-nuts/dcjzJy-bSpw/tcZYBzQqAQAJ +// for some discussion about these unsafe conversions. +// +// In the future it's possible that compiler optimizations will make these +// unsafe operations unnecessary: https://golang.org/issue/2205. +// +// Both of these wrapper functions still incur function call overhead since they +// will not be inlined. We could write Go/asm copies of Sum64 and Digest.Write +// for strings to squeeze out a bit more speed. Mid-stack inlining should +// eventually fix this. + +// Sum64String computes the 64-bit xxHash digest of s. +// It may be faster than Sum64([]byte(s)) by avoiding a copy. +func Sum64String(s string) uint64 { + var b []byte + bh := (*reflect.SliceHeader)(unsafe.Pointer(&b)) + bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data + bh.Len = len(s) + bh.Cap = len(s) + return Sum64(b) +} + +// WriteString adds more data to d. It always returns len(s), nil. +// It may be faster than Write([]byte(s)) by avoiding a copy. +func (d *Digest) WriteString(s string) (n int, err error) { + var b []byte + bh := (*reflect.SliceHeader)(unsafe.Pointer(&b)) + bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data + bh.Len = len(s) + bh.Cap = len(s) + return d.Write(b) +} diff --git a/constraint/vendor/github.com/evanphx/json-patch/.travis.yml b/constraint/vendor/github.com/evanphx/json-patch/.travis.yml index 2092c72c4..50e4afd19 100644 --- a/constraint/vendor/github.com/evanphx/json-patch/.travis.yml +++ b/constraint/vendor/github.com/evanphx/json-patch/.travis.yml @@ -1,8 +1,8 @@ language: go go: - - 1.8 - - 1.7 + - 1.14 + - 1.13 install: - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi @@ -11,6 +11,9 @@ install: script: - go get - go test -cover ./... + - cd ./v5 + - go get + - go test -cover ./... notifications: email: false diff --git a/constraint/vendor/github.com/evanphx/json-patch/LICENSE b/constraint/vendor/github.com/evanphx/json-patch/LICENSE index 0eb9b72d8..df76d7d77 100644 --- a/constraint/vendor/github.com/evanphx/json-patch/LICENSE +++ b/constraint/vendor/github.com/evanphx/json-patch/LICENSE @@ -6,7 +6,7 @@ modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. -* Redistributions in binary form must reproduce the above copyright notice +* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the Evan Phoenix nor the names of its contributors diff --git a/constraint/vendor/github.com/evanphx/json-patch/README.md b/constraint/vendor/github.com/evanphx/json-patch/README.md index 9c7f87f7c..121b039db 100644 --- a/constraint/vendor/github.com/evanphx/json-patch/README.md +++ b/constraint/vendor/github.com/evanphx/json-patch/README.md @@ -1,5 +1,5 @@ # JSON-Patch -`jsonpatch` is a library which provides functionallity for both applying +`jsonpatch` is a library which provides functionality for both applying [RFC6902 JSON patches](http://tools.ietf.org/html/rfc6902) against documents, as well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ietf.org/html/rfc7396). @@ -11,10 +11,11 @@ well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ie **Latest and greatest**: ```bash -go get -u github.com/evanphx/json-patch +go get -u github.com/evanphx/json-patch/v5 ``` **Stable Versions**: +* Version 5: `go get -u gopkg.in/evanphx/json-patch.v5` * Version 4: `go get -u gopkg.in/evanphx/json-patch.v4` (previous versions below `v3` are unavailable) @@ -82,7 +83,7 @@ When ran, you get the following output: ```bash $ go run main.go patch document: {"height":null,"name":"Jane"} -updated tina doc: {"age":28,"name":"Jane"} +updated alternative doc: {"age":28,"name":"Jane"} ``` ## Create and apply a JSON Patch @@ -164,7 +165,7 @@ func main() { } if !jsonpatch.Equal(original, different) { - fmt.Println(`"original" is _not_ structurally equal to "similar"`) + fmt.Println(`"original" is _not_ structurally equal to "different"`) } } ``` @@ -173,7 +174,7 @@ When ran, you get the following output: ```bash $ go run main.go "original" is structurally equal to "similar" -"original" is _not_ structurally equal to "similar" +"original" is _not_ structurally equal to "different" ``` ## Combine merge patches diff --git a/constraint/vendor/github.com/evanphx/json-patch/merge.go b/constraint/vendor/github.com/evanphx/json-patch/merge.go index 6806c4c20..14e8bb5ce 100644 --- a/constraint/vendor/github.com/evanphx/json-patch/merge.go +++ b/constraint/vendor/github.com/evanphx/json-patch/merge.go @@ -307,13 +307,16 @@ func matchesValue(av, bv interface{}) bool { return true case map[string]interface{}: bt := bv.(map[string]interface{}) - for key := range at { - if !matchesValue(at[key], bt[key]) { - return false - } + if len(bt) != len(at) { + return false } for key := range bt { - if !matchesValue(at[key], bt[key]) { + av, aOK := at[key] + bv, bOK := bt[key] + if aOK != bOK { + return false + } + if !matchesValue(av, bv) { return false } } diff --git a/constraint/vendor/github.com/evanphx/json-patch/patch.go b/constraint/vendor/github.com/evanphx/json-patch/patch.go index 1b5f95e61..f185a45b2 100644 --- a/constraint/vendor/github.com/evanphx/json-patch/patch.go +++ b/constraint/vendor/github.com/evanphx/json-patch/patch.go @@ -202,6 +202,10 @@ func (n *lazyNode) equal(o *lazyNode) bool { return false } + if len(n.doc) != len(o.doc) { + return false + } + for k, v := range n.doc { ov, ok := o.doc[k] @@ -209,6 +213,10 @@ func (n *lazyNode) equal(o *lazyNode) bool { return false } + if (v == nil) != (ov == nil) { + return false + } + if v == nil && ov == nil { continue } @@ -429,14 +437,14 @@ func (d *partialArray) add(key string, val *lazyNode) error { return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx) } - if SupportNegativeIndices { - if idx < -len(ary) { + if idx < 0 { + if !SupportNegativeIndices { return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx) } - - if idx < 0 { - idx += len(ary) + if idx < -len(ary) { + return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx) } + idx += len(ary) } copy(ary[0:idx], cur[0:idx]) @@ -473,14 +481,14 @@ func (d *partialArray) remove(key string) error { return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx) } - if SupportNegativeIndices { - if idx < -len(cur) { + if idx < 0 { + if !SupportNegativeIndices { return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx) } - - if idx < 0 { - idx += len(cur) + if idx < -len(cur) { + return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx) } + idx += len(cur) } ary := make([]*lazyNode, len(cur)-1) diff --git a/constraint/vendor/github.com/fsnotify/fsnotify/.editorconfig b/constraint/vendor/github.com/fsnotify/fsnotify/.editorconfig new file mode 100644 index 000000000..fad895851 --- /dev/null +++ b/constraint/vendor/github.com/fsnotify/fsnotify/.editorconfig @@ -0,0 +1,12 @@ +root = true + +[*.go] +indent_style = tab +indent_size = 4 +insert_final_newline = true + +[*.{yml,yaml}] +indent_style = space +indent_size = 2 +insert_final_newline = true +trim_trailing_whitespace = true diff --git a/constraint/vendor/github.com/fsnotify/fsnotify/.gitattributes b/constraint/vendor/github.com/fsnotify/fsnotify/.gitattributes new file mode 100644 index 000000000..32f1001be --- /dev/null +++ b/constraint/vendor/github.com/fsnotify/fsnotify/.gitattributes @@ -0,0 +1 @@ +go.sum linguist-generated diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/.gitignore b/constraint/vendor/github.com/fsnotify/fsnotify/.gitignore similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/.gitignore rename to constraint/vendor/github.com/fsnotify/fsnotify/.gitignore diff --git a/constraint/vendor/github.com/fsnotify/fsnotify/.travis.yml b/constraint/vendor/github.com/fsnotify/fsnotify/.travis.yml new file mode 100644 index 000000000..a9c30165c --- /dev/null +++ b/constraint/vendor/github.com/fsnotify/fsnotify/.travis.yml @@ -0,0 +1,36 @@ +sudo: false +language: go + +go: + - "stable" + - "1.11.x" + - "1.10.x" + - "1.9.x" + +matrix: + include: + - go: "stable" + env: GOLINT=true + allow_failures: + - go: tip + fast_finish: true + + +before_install: + - if [ ! -z "${GOLINT}" ]; then go get -u golang.org/x/lint/golint; fi + +script: + - go test --race ./... + +after_script: + - test -z "$(gofmt -s -l -w . | tee /dev/stderr)" + - if [ ! -z "${GOLINT}" ]; then echo running golint; golint --set_exit_status ./...; else echo skipping golint; fi + - go vet ./... + +os: + - linux + - osx + - windows + +notifications: + email: false diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/AUTHORS b/constraint/vendor/github.com/fsnotify/fsnotify/AUTHORS similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/AUTHORS rename to constraint/vendor/github.com/fsnotify/fsnotify/AUTHORS diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/CHANGELOG.md b/constraint/vendor/github.com/fsnotify/fsnotify/CHANGELOG.md similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/CHANGELOG.md rename to constraint/vendor/github.com/fsnotify/fsnotify/CHANGELOG.md diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/CONTRIBUTING.md b/constraint/vendor/github.com/fsnotify/fsnotify/CONTRIBUTING.md similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/CONTRIBUTING.md rename to constraint/vendor/github.com/fsnotify/fsnotify/CONTRIBUTING.md diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/LICENSE b/constraint/vendor/github.com/fsnotify/fsnotify/LICENSE similarity index 95% rename from constraint/vendor/gopkg.in/fsnotify.v1/LICENSE rename to constraint/vendor/github.com/fsnotify/fsnotify/LICENSE index f21e54080..e180c8fb0 100644 --- a/constraint/vendor/gopkg.in/fsnotify.v1/LICENSE +++ b/constraint/vendor/github.com/fsnotify/fsnotify/LICENSE @@ -1,5 +1,5 @@ Copyright (c) 2012 The Go Authors. All rights reserved. -Copyright (c) 2012 fsnotify Authors. All rights reserved. +Copyright (c) 2012-2019 fsnotify Authors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/README.md b/constraint/vendor/github.com/fsnotify/fsnotify/README.md similarity index 53% rename from constraint/vendor/gopkg.in/fsnotify.v1/README.md rename to constraint/vendor/github.com/fsnotify/fsnotify/README.md index 399320741..b2629e522 100644 --- a/constraint/vendor/gopkg.in/fsnotify.v1/README.md +++ b/constraint/vendor/github.com/fsnotify/fsnotify/README.md @@ -10,16 +10,16 @@ go get -u golang.org/x/sys/... Cross platform: Windows, Linux, BSD and macOS. -|Adapter |OS |Status | -|----------|----------|----------| -|inotify |Linux 2.6.27 or later, Android\*|Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify)| -|kqueue |BSD, macOS, iOS\*|Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify)| -|ReadDirectoryChangesW|Windows|Supported [![Build status](https://ci.appveyor.com/api/projects/status/ivwjubaih4r0udeh/branch/master?svg=true)](https://ci.appveyor.com/project/NathanYoungman/fsnotify/branch/master)| -|FSEvents |macOS |[Planned](https://github.com/fsnotify/fsnotify/issues/11)| -|FEN |Solaris 11 |[In Progress](https://github.com/fsnotify/fsnotify/issues/12)| -|fanotify |Linux 2.6.37+ | | -|USN Journals |Windows |[Maybe](https://github.com/fsnotify/fsnotify/issues/53)| -|Polling |*All* |[Maybe](https://github.com/fsnotify/fsnotify/issues/9)| +| Adapter | OS | Status | +| --------------------- | -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | +| inotify | Linux 2.6.27 or later, Android\* | Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify) | +| kqueue | BSD, macOS, iOS\* | Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify) | +| ReadDirectoryChangesW | Windows | Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify) | +| FSEvents | macOS | [Planned](https://github.com/fsnotify/fsnotify/issues/11) | +| FEN | Solaris 11 | [In Progress](https://github.com/fsnotify/fsnotify/issues/12) | +| fanotify | Linux 2.6.37+ | [Planned](https://github.com/fsnotify/fsnotify/issues/114) | +| USN Journals | Windows | [Maybe](https://github.com/fsnotify/fsnotify/issues/53) | +| Polling | *All* | [Maybe](https://github.com/fsnotify/fsnotify/issues/9) | \* Android and iOS are untested. @@ -33,6 +33,53 @@ All [releases](https://github.com/fsnotify/fsnotify/releases) are tagged based o Go 1.6 supports dependencies located in the `vendor/` folder. Unless you are creating a library, it is recommended that you copy fsnotify into `vendor/github.com/fsnotify/fsnotify` within your project, and likewise for `golang.org/x/sys`. +## Usage + +```go +package main + +import ( + "log" + + "github.com/fsnotify/fsnotify" +) + +func main() { + watcher, err := fsnotify.NewWatcher() + if err != nil { + log.Fatal(err) + } + defer watcher.Close() + + done := make(chan bool) + go func() { + for { + select { + case event, ok := <-watcher.Events: + if !ok { + return + } + log.Println("event:", event) + if event.Op&fsnotify.Write == fsnotify.Write { + log.Println("modified file:", event.Name) + } + case err, ok := <-watcher.Errors: + if !ok { + return + } + log.Println("error:", err) + } + } + }() + + err = watcher.Add("/tmp/foo") + if err != nil { + log.Fatal(err) + } + <-done +} +``` + ## Contributing Please refer to [CONTRIBUTING][] before opening an issue or pull request. @@ -65,6 +112,10 @@ There are OS-specific limits as to how many watches can be created: * Linux: /proc/sys/fs/inotify/max_user_watches contains the limit, reaching this limit results in a "no space left on device" error. * BSD / OSX: sysctl variables "kern.maxfiles" and "kern.maxfilesperproc", reaching these limits results in a "too many open files" error. +**Why don't notifications work with NFS filesystems or filesystem in userspace (FUSE)?** + +fsnotify requires support from underlying OS to work. The current NFS protocol does not provide network level support for file notifications. + [#62]: https://github.com/howeyc/fsnotify/issues/62 [#18]: https://github.com/fsnotify/fsnotify/issues/18 [#11]: https://github.com/fsnotify/fsnotify/issues/11 diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/fen.go b/constraint/vendor/github.com/fsnotify/fsnotify/fen.go similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/fen.go rename to constraint/vendor/github.com/fsnotify/fsnotify/fen.go diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/fsnotify.go b/constraint/vendor/github.com/fsnotify/fsnotify/fsnotify.go similarity index 95% rename from constraint/vendor/gopkg.in/fsnotify.v1/fsnotify.go rename to constraint/vendor/github.com/fsnotify/fsnotify/fsnotify.go index 190bf0de5..89cab046d 100644 --- a/constraint/vendor/gopkg.in/fsnotify.v1/fsnotify.go +++ b/constraint/vendor/github.com/fsnotify/fsnotify/fsnotify.go @@ -63,4 +63,6 @@ func (e Event) String() string { } // Common errors that can be reported by a watcher -var ErrEventOverflow = errors.New("fsnotify queue overflow") +var ( + ErrEventOverflow = errors.New("fsnotify queue overflow") +) diff --git a/constraint/vendor/github.com/fsnotify/fsnotify/go.mod b/constraint/vendor/github.com/fsnotify/fsnotify/go.mod new file mode 100644 index 000000000..ff11e13f2 --- /dev/null +++ b/constraint/vendor/github.com/fsnotify/fsnotify/go.mod @@ -0,0 +1,5 @@ +module github.com/fsnotify/fsnotify + +go 1.13 + +require golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9 diff --git a/constraint/vendor/github.com/fsnotify/fsnotify/go.sum b/constraint/vendor/github.com/fsnotify/fsnotify/go.sum new file mode 100644 index 000000000..f60af9855 --- /dev/null +++ b/constraint/vendor/github.com/fsnotify/fsnotify/go.sum @@ -0,0 +1,2 @@ +golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9 h1:L2auWcuQIvxz9xSEqzESnV/QN/gNRXNApHi3fYwl2w0= +golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/inotify.go b/constraint/vendor/github.com/fsnotify/fsnotify/inotify.go similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/inotify.go rename to constraint/vendor/github.com/fsnotify/fsnotify/inotify.go diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/inotify_poller.go b/constraint/vendor/github.com/fsnotify/fsnotify/inotify_poller.go similarity index 97% rename from constraint/vendor/gopkg.in/fsnotify.v1/inotify_poller.go rename to constraint/vendor/github.com/fsnotify/fsnotify/inotify_poller.go index cc7db4b22..b33f2b4d4 100644 --- a/constraint/vendor/gopkg.in/fsnotify.v1/inotify_poller.go +++ b/constraint/vendor/github.com/fsnotify/fsnotify/inotify_poller.go @@ -40,12 +40,12 @@ func newFdPoller(fd int) (*fdPoller, error) { poller.fd = fd // Create epoll fd - poller.epfd, errno = unix.EpollCreate1(0) + poller.epfd, errno = unix.EpollCreate1(unix.EPOLL_CLOEXEC) if poller.epfd == -1 { return nil, errno } // Create pipe; pipe[0] is the read end, pipe[1] the write end. - errno = unix.Pipe2(poller.pipe[:], unix.O_NONBLOCK) + errno = unix.Pipe2(poller.pipe[:], unix.O_NONBLOCK|unix.O_CLOEXEC) if errno != nil { return nil, errno } diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/kqueue.go b/constraint/vendor/github.com/fsnotify/fsnotify/kqueue.go similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/kqueue.go rename to constraint/vendor/github.com/fsnotify/fsnotify/kqueue.go diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/open_mode_bsd.go b/constraint/vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go similarity index 79% rename from constraint/vendor/gopkg.in/fsnotify.v1/open_mode_bsd.go rename to constraint/vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go index 7d8de1451..2306c4620 100644 --- a/constraint/vendor/gopkg.in/fsnotify.v1/open_mode_bsd.go +++ b/constraint/vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go @@ -8,4 +8,4 @@ package fsnotify import "golang.org/x/sys/unix" -const openMode = unix.O_NONBLOCK | unix.O_RDONLY +const openMode = unix.O_NONBLOCK | unix.O_RDONLY | unix.O_CLOEXEC diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/open_mode_darwin.go b/constraint/vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go similarity index 84% rename from constraint/vendor/gopkg.in/fsnotify.v1/open_mode_darwin.go rename to constraint/vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go index 9139e1716..870c4d6d1 100644 --- a/constraint/vendor/gopkg.in/fsnotify.v1/open_mode_darwin.go +++ b/constraint/vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go @@ -9,4 +9,4 @@ package fsnotify import "golang.org/x/sys/unix" // note: this constant is not defined on BSD -const openMode = unix.O_EVTONLY +const openMode = unix.O_EVTONLY | unix.O_CLOEXEC diff --git a/constraint/vendor/gopkg.in/fsnotify.v1/windows.go b/constraint/vendor/github.com/fsnotify/fsnotify/windows.go similarity index 100% rename from constraint/vendor/gopkg.in/fsnotify.v1/windows.go rename to constraint/vendor/github.com/fsnotify/fsnotify/windows.go diff --git a/constraint/vendor/github.com/go-logr/logr/README.md b/constraint/vendor/github.com/go-logr/logr/README.md index 26296d024..e9b5520a1 100644 --- a/constraint/vendor/github.com/go-logr/logr/README.md +++ b/constraint/vendor/github.com/go-logr/logr/README.md @@ -1,9 +1,9 @@ # A more minimal logging API for Go -Before you consider this package, please read [this blog post by the inimitable -Dave Cheney](http://dave.cheney.net/2015/11/05/lets-talk-about-logging). I -really appreciate what he has to say, and it largely aligns with my own -experiences. Too many choices of levels means inconsistent logs. +Before you consider this package, please read [this blog post by the +inimitable Dave Cheney][warning-makes-no-sense]. I really appreciate what +he has to say, and it largely aligns with my own experiences. Too many +choices of levels means inconsistent logs. This package offers a purely abstract interface, based on these ideas but with a few twists. Code can depend on just this interface and have the actual @@ -31,6 +31,153 @@ may feel very similar, but the primary difference is the lack of semantics. Because verbosity is a numerical value, it's safe to assume that an app running with higher verbosity means more (and less important) logs will be generated. -This is a BETA grade API. I have implemented it for -[glog](https://godoc.org/github.com/golang/glog). Until there is a significant -2nd implementation, I don't really know how it will change. +This is a BETA grade API. + +There are implementations for the following logging libraries: + +- **github.com/google/glog**: [glogr](https://github.com/go-logr/glogr) +- **k8s.io/klog**: [klogr](https://git.k8s.io/klog/klogr) +- **go.uber.org/zap**: [zapr](https://github.com/go-logr/zapr) +- **log** (the Go standard library logger): + [stdr](https://github.com/go-logr/stdr) +- **github.com/sirupsen/logrus**: [logrusr](https://github.com/bombsimon/logrusr) +- **github.com/wojas/genericr**: [genericr](https://github.com/wojas/genericr) (makes it easy to implement your own backend) +- **logfmt** (Heroku style [logging](https://www.brandur.org/logfmt)): [logfmtr](https://github.com/iand/logfmtr) + +# FAQ + +## Conceptual + +## Why structured logging? + +- **Structured logs are more easily queriable**: Since you've got + key-value pairs, it's much easier to query your structured logs for + particular values by filtering on the contents of a particular key -- + think searching request logs for error codes, Kubernetes reconcilers for + the name and namespace of the reconciled object, etc + +- **Structured logging makes it easier to have cross-referencable logs**: + Similarly to searchability, if you maintain conventions around your + keys, it becomes easy to gather all log lines related to a particular + concept. + +- **Structured logs allow better dimensions of filtering**: if you have + structure to your logs, you've got more precise control over how much + information is logged -- you might choose in a particular configuration + to log certain keys but not others, only log lines where a certain key + matches a certain value, etc, instead of just having v-levels and names + to key off of. + +- **Structured logs better represent structured data**: sometimes, the + data that you want to log is inherently structured (think tuple-link + objects). Structured logs allow you to preserve that structure when + outputting. + +## Why V-levels? + +**V-levels give operators an easy way to control the chattiness of log +operations**. V-levels provide a way for a given package to distinguish +the relative importance or verbosity of a given log message. Then, if +a particular logger or package is logging too many messages, the user +of the package can simply change the v-levels for that library. + +## Why not more named levels, like Warning? + +Read [Dave Cheney's post][warning-makes-no-sense]. Then read [Differences +from Dave's ideas](#differences-from-daves-ideas). + +## Why not allow format strings, too? + +**Format strings negate many of the benefits of structured logs**: + +- They're not easily searchable without resorting to fuzzy searching, + regular expressions, etc + +- They don't store structured data well, since contents are flattened into + a string + +- They're not cross-referencable + +- They don't compress easily, since the message is not constant + +(unless you turn positional parameters into key-value pairs with numerical +keys, at which point you've gotten key-value logging with meaningless +keys) + +## Practical + +## Why key-value pairs, and not a map? + +Key-value pairs are *much* easier to optimize, especially around +allocations. Zap (a structured logger that inspired logr's interface) has +[performance measurements](https://github.com/uber-go/zap#performance) +that show this quite nicely. + +While the interface ends up being a little less obvious, you get +potentially better performance, plus avoid making users type +`map[string]string{}` every time they want to log. + +## What if my V-levels differ between libraries? + +That's fine. Control your V-levels on a per-logger basis, and use the +`WithName` function to pass different loggers to different libraries. + +Generally, you should take care to ensure that you have relatively +consistent V-levels within a given logger, however, as this makes deciding +on what verbosity of logs to request easier. + +## But I *really* want to use a format string! + +That's not actually a question. Assuming your question is "how do +I convert my mental model of logging with format strings to logging with +constant messages": + +1. figure out what the error actually is, as you'd write in a TL;DR style, + and use that as a message + +2. For every place you'd write a format specifier, look to the word before + it, and add that as a key value pair + +For instance, consider the following examples (all taken from spots in the +Kubernetes codebase): + +- `klog.V(4).Infof("Client is returning errors: code %v, error %v", + responseCode, err)` becomes `logger.Error(err, "client returned an + error", "code", responseCode)` + +- `klog.V(4).Infof("Got a Retry-After %ds response for attempt %d to %v", + seconds, retries, url)` becomes `logger.V(4).Info("got a retry-after + response when requesting url", "attempt", retries, "after + seconds", seconds, "url", url)` + +If you *really* must use a format string, place it as a key value, and +call `fmt.Sprintf` yourself -- for instance, `log.Printf("unable to +reflect over type %T")` becomes `logger.Info("unable to reflect over +type", "type", fmt.Sprintf("%T"))`. In general though, the cases where +this is necessary should be few and far between. + +## How do I choose my V-levels? + +This is basically the only hard constraint: increase V-levels to denote +more verbose or more debug-y logs. + +Otherwise, you can start out with `0` as "you always want to see this", +`1` as "common logging that you might *possibly* want to turn off", and +`10` as "I would like to performance-test your log collection stack". + +Then gradually choose levels in between as you need them, working your way +down from 10 (for debug and trace style logs) and up from 1 (for chattier +info-type logs). + +## How do I choose my keys + +- make your keys human-readable +- constant keys are generally a good idea +- be consistent across your codebase +- keys should naturally match parts of the message string + +While key names are mostly unrestricted (and spaces are acceptable), +it's generally a good idea to stick to printable ascii characters, or at +least match the general character set of your log lines. + +[warning-makes-no-sense]: http://dave.cheney.net/2015/11/05/lets-talk-about-logging diff --git a/constraint/vendor/github.com/go-logr/logr/discard.go b/constraint/vendor/github.com/go-logr/logr/discard.go new file mode 100644 index 000000000..2bafb13d1 --- /dev/null +++ b/constraint/vendor/github.com/go-logr/logr/discard.go @@ -0,0 +1,51 @@ +/* +Copyright 2020 The logr Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package logr + +// Discard returns a valid Logger that discards all messages logged to it. +// It can be used whenever the caller is not interested in the logs. +func Discard() Logger { + return DiscardLogger{} +} + +// DiscardLogger is a Logger that discards all messages. +type DiscardLogger struct{} + +func (l DiscardLogger) Enabled() bool { + return false +} + +func (l DiscardLogger) Info(msg string, keysAndValues ...interface{}) { +} + +func (l DiscardLogger) Error(err error, msg string, keysAndValues ...interface{}) { +} + +func (l DiscardLogger) V(level int) Logger { + return l +} + +func (l DiscardLogger) WithValues(keysAndValues ...interface{}) Logger { + return l +} + +func (l DiscardLogger) WithName(name string) Logger { + return l +} + +// Verify that it actually implements the interface +var _ Logger = DiscardLogger{} diff --git a/constraint/vendor/github.com/go-logr/logr/go.mod b/constraint/vendor/github.com/go-logr/logr/go.mod new file mode 100644 index 000000000..591884e91 --- /dev/null +++ b/constraint/vendor/github.com/go-logr/logr/go.mod @@ -0,0 +1,3 @@ +module github.com/go-logr/logr + +go 1.14 diff --git a/constraint/vendor/github.com/go-logr/logr/logr.go b/constraint/vendor/github.com/go-logr/logr/logr.go index ad72e7886..842428bd3 100644 --- a/constraint/vendor/github.com/go-logr/logr/logr.go +++ b/constraint/vendor/github.com/go-logr/logr/logr.go @@ -1,107 +1,156 @@ -// Package logr defines abstract interfaces for logging. Packages can depend on -// these interfaces and callers can implement logging in whatever way is -// appropriate. -// +/* +Copyright 2019 The logr Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + // This design derives from Dave Cheney's blog: // http://dave.cheney.net/2015/11/05/lets-talk-about-logging // // This is a BETA grade API. Until there is a significant 2nd implementation, // I don't really know how it will change. -// -// The logging specifically makes it non-trivial to use format strings, to encourage -// attaching structured information instead of unstructured format strings. + +// Package logr defines abstract interfaces for logging. Packages can depend on +// these interfaces and callers can implement logging in whatever way is +// appropriate. // // Usage // -// Logging is done using a Logger. Loggers can have name prefixes and named values -// attached, so that all log messages logged with that Logger have some base context -// associated. +// Logging is done using a Logger. Loggers can have name prefixes and named +// values attached, so that all log messages logged with that Logger have some +// base context associated. // -// The term "key" is used to refer to the name associated with a particular value, to -// disambiguate it from the general Logger name. +// The term "key" is used to refer to the name associated with a particular +// value, to disambiguate it from the general Logger name. // -// For instance, suppose we're trying to reconcile the state of an object, and we want -// to log that we've made some decision. +// For instance, suppose we're trying to reconcile the state of an object, and +// we want to log that we've made some decision. // -// With the traditional log package, we might write -// log.Printf( -// "decided to set field foo to value %q for object %s/%s", +// With the traditional log package, we might write: +// log.Printf("decided to set field foo to value %q for object %s/%s", // targetValue, object.Namespace, object.Name) // -// With logr's structured logging, we'd write -// // elsewhere in the file, set up the logger to log with the prefix of "reconcilers", -// // and the named value target-type=Foo, for extra context. -// log := mainLogger.WithName("reconcilers").WithValues("target-type", "Foo") +// With logr's structured logging, we'd write: +// // elsewhere in the file, set up the logger to log with the prefix of +// // "reconcilers", and the named value target-type=Foo, for extra context. +// log := mainLogger.WithName("reconcilers").WithValues("target-type", "Foo") // -// // later on... -// log.Info("setting field foo on object", "value", targetValue, "object", object) +// // later on... +// log.Info("setting foo on object", "value", targetValue, "object", object) // -// Depending on our logging implementation, we could then make logging decisions based on field values -// (like only logging such events for objects in a certain namespace), or copy the structured -// information into a structured log store. +// Depending on our logging implementation, we could then make logging decisions +// based on field values (like only logging such events for objects in a certain +// namespace), or copy the structured information into a structured log store. // -// For logging errors, Logger has a method called Error. Suppose we wanted to log an -// error while reconciling. With the traditional log package, we might write +// For logging errors, Logger has a method called Error. Suppose we wanted to +// log an error while reconciling. With the traditional log package, we might +// write: // log.Errorf("unable to reconcile object %s/%s: %v", object.Namespace, object.Name, err) // -// With logr, we'd instead write +// With logr, we'd instead write: // // assuming the above setup for log // log.Error(err, "unable to reconcile object", "object", object) // // This functions similarly to: // log.Info("unable to reconcile object", "error", err, "object", object) // -// However, it ensures that a standard key for the error value ("error") is used across all -// error logging. Furthermore, certain implementations may choose to attach additional -// information (such as stack traces) on calls to Error, so it's preferred to use Error -// to log errors. +// However, it ensures that a standard key for the error value ("error") is used +// across all error logging. Furthermore, certain implementations may choose to +// attach additional information (such as stack traces) on calls to Error, so +// it's preferred to use Error to log errors. // // Parts of a log line // // Each log message from a Logger has four types of context: // logger name, log verbosity, log message, and the named values. // -// The Logger name constists of a series of name "segments" added by successive calls to WithName. -// These name segments will be joined in some way by the underlying implementation. It is strongly -// reccomended that name segements contain simple identifiers (letters, digits, and hyphen), and do -// not contain characters that could muddle the log output or confuse the joining operation (e.g. -// whitespace, commas, periods, slashes, brackets, quotes, etc). +// The Logger name consists of a series of name "segments" added by successive +// calls to WithName. These name segments will be joined in some way by the +// underlying implementation. It is strongly recommended that name segments +// contain simple identifiers (letters, digits, and hyphen), and do not contain +// characters that could muddle the log output or confuse the joining operation +// (e.g. whitespace, commas, periods, slashes, brackets, quotes, etc). // -// Log verbosity represents how little a log matters. Level zero, the default, matters most. -// Increasing levels matter less and less. Try to avoid lots of different verbosity levels, -// and instead provide useful keys, logger names, and log messages for users to filter on. -// It's illegal to pass a log level below zero. +// Log verbosity represents how little a log matters. Level zero, the default, +// matters most. Increasing levels matter less and less. Try to avoid lots of +// different verbosity levels, and instead provide useful keys, logger names, +// and log messages for users to filter on. It's illegal to pass a log level +// below zero. // -// The log message consists of a constant message attached to the the log line. This -// should generally be a simple description of what's occuring, and should never be a format string. +// The log message consists of a constant message attached to the log line. +// This should generally be a simple description of what's occurring, and should +// never be a format string. // -// Variable information can then be attached using named values (key/value pairs). Keys are arbitrary -// strings, while values may be any Go value. +// Variable information can then be attached using named values (key/value +// pairs). Keys are arbitrary strings, while values may be any Go value. // // Key Naming Conventions // -// While users are generally free to use key names of their choice, it's generally best to avoid -// using the following keys, as they're frequently used by implementations: +// Keys are not strictly required to conform to any specification or regex, but +// it is recommended that they: +// * be human-readable and meaningful (not auto-generated or simple ordinals) +// * be constant (not dependent on input data) +// * contain only printable characters +// * not contain whitespace or punctuation +// +// These guidelines help ensure that log data is processed properly regardless +// of the log implementation. For example, log implementations will try to +// output JSON data or will store data for later database (e.g. SQL) queries. +// +// While users are generally free to use key names of their choice, it's +// generally best to avoid using the following keys, as they're frequently used +// by implementations: // -// - `"error"`: the underlying error value in the `Error` method. -// - `"stacktrace"`: the stack trace associated with a particular log line or error -// (often from the `Error` message). -// - `"caller"`: the calling information (file/line) of a particular log line. -// - `"msg"`: the log message. -// - `"level"`: the log level. -// - `"ts"`: the timestamp for a log line. +// * `"caller"`: the calling information (file/line) of a particular log line. +// * `"error"`: the underlying error value in the `Error` method. +// * `"level"`: the log level. +// * `"logger"`: the name of the associated logger. +// * `"msg"`: the log message. +// * `"stacktrace"`: the stack trace associated with a particular log line or +// error (often from the `Error` message). +// * `"ts"`: the timestamp for a log line. // -// Implementations are encouraged to make use of these keys to represent the above -// concepts, when neccessary (for example, in a pure-JSON output form, it would be -// necessary to represent at least message and timestamp as ordinary named values). +// Implementations are encouraged to make use of these keys to represent the +// above concepts, when necessary (for example, in a pure-JSON output form, it +// would be necessary to represent at least message and timestamp as ordinary +// named values). +// +// Implementations may choose to give callers access to the underlying +// logging implementation. The recommended pattern for this is: +// // Underlier exposes access to the underlying logging implementation. +// // Since callers only have a logr.Logger, they have to know which +// // implementation is in use, so this interface is less of an abstraction +// // and more of way to test type conversion. +// type Underlier interface { +// GetUnderlying() +// } package logr +import ( + "context" +) + // TODO: consider adding back in format strings if they're really needed // TODO: consider other bits of zap/zapcore functionality like ObjectMarshaller (for arbitrary objects) -// TODO: consider other bits of glog functionality like Flush, InfoDepth, OutputStats +// TODO: consider other bits of glog functionality like Flush, OutputStats + +// Logger represents the ability to log messages, both errors and not. +type Logger interface { + // Enabled tests whether this Logger is enabled. For example, commandline + // flags might be used to set the logging verbosity and disable some info + // logs. + Enabled() bool -// InfoLogger represents the ability to log non-error messages, at a particular verbosity. -type InfoLogger interface { // Info logs a non-error message with the given key/value pairs as context. // // The msg argument should be used to add some constant description to @@ -110,19 +159,6 @@ type InfoLogger interface { // keys and arbitrary values. Info(msg string, keysAndValues ...interface{}) - // Enabled tests whether this InfoLogger is enabled. For example, - // commandline flags might be used to set the logging verbosity and disable - // some info logs. - Enabled() bool -} - -// Logger represents the ability to log messages, both errors and not. -type Logger interface { - // All Loggers implement InfoLogger. Calling InfoLogger methods directly on - // a Logger value is equivalent to calling them on a V(0) InfoLogger. For - // example, logger.Info() produces the same result as logger.V(0).Info. - InfoLogger - // Error logs an error, with the given message and key/value pairs as context. // It functions similarly to calling Info with the "error" named value, but may // have unique behavior, and should be preferred for logging errors (see the @@ -133,10 +169,11 @@ type Logger interface { // triggered this log line, if present. Error(err error, msg string, keysAndValues ...interface{}) - // V returns an InfoLogger value for a specific verbosity level. A higher - // verbosity level means a log message is less important. It's illegal to - // pass a log level less than zero. - V(level int) InfoLogger + // V returns an Logger value for a specific verbosity level, relative to + // this Logger. In other words, V values are additive. V higher verbosity + // level means a log message is less important. It's illegal to pass a log + // level less than zero. + V(level int) Logger // WithValues adds some key-value pairs of context to a logger. // See Info for documentation on how key/value pairs work. @@ -144,8 +181,86 @@ type Logger interface { // WithName adds a new element to the logger's name. // Successive calls with WithName continue to append - // suffixes to the logger's name. It's strongly reccomended + // suffixes to the logger's name. It's strongly recommended // that name segments contain only letters, digits, and hyphens // (see the package documentation for more information). WithName(name string) Logger } + +// InfoLogger provides compatibility with code that relies on the v0.1.0 +// interface. +// +// Deprecated: InfoLogger is an artifact of early versions of this API. New +// users should never use it and existing users should use Logger instead. This +// will be removed in a future release. +type InfoLogger = Logger + +type contextKey struct{} + +// FromContext returns a Logger constructed from ctx or nil if no +// logger details are found. +func FromContext(ctx context.Context) Logger { + if v, ok := ctx.Value(contextKey{}).(Logger); ok { + return v + } + + return nil +} + +// FromContextOrDiscard returns a Logger constructed from ctx or a Logger +// that discards all messages if no logger details are found. +func FromContextOrDiscard(ctx context.Context) Logger { + if v, ok := ctx.Value(contextKey{}).(Logger); ok { + return v + } + + return Discard() +} + +// NewContext returns a new context derived from ctx that embeds the Logger. +func NewContext(ctx context.Context, l Logger) context.Context { + return context.WithValue(ctx, contextKey{}, l) +} + +// CallDepthLogger represents a Logger that knows how to climb the call stack +// to identify the original call site and can offset the depth by a specified +// number of frames. This is useful for users who have helper functions +// between the "real" call site and the actual calls to Logger methods. +// Implementations that log information about the call site (such as file, +// function, or line) would otherwise log information about the intermediate +// helper functions. +// +// This is an optional interface and implementations are not required to +// support it. +type CallDepthLogger interface { + Logger + + // WithCallDepth returns a Logger that will offset the call stack by the + // specified number of frames when logging call site information. If depth + // is 0 the attribution should be to the direct caller of this method. If + // depth is 1 the attribution should skip 1 call frame, and so on. + // Successive calls to this are additive. + WithCallDepth(depth int) Logger +} + +// WithCallDepth returns a Logger that will offset the call stack by the +// specified number of frames when logging call site information, if possible. +// This is useful for users who have helper functions between the "real" call +// site and the actual calls to Logger methods. If depth is 0 the attribution +// should be to the direct caller of this function. If depth is 1 the +// attribution should skip 1 call frame, and so on. Successive calls to this +// are additive. +// +// If the underlying log implementation supports the CallDepthLogger interface, +// the WithCallDepth method will be called and the result returned. If the +// implementation does not support CallDepthLogger, the original Logger will be +// returned. +// +// Callers which care about whether this was supported or not should test for +// CallDepthLogger support themselves. +func WithCallDepth(logger Logger, depth int) Logger { + if decorator, ok := logger.(CallDepthLogger); ok { + return decorator.WithCallDepth(depth) + } + return logger +} diff --git a/constraint/vendor/github.com/go-openapi/analysis/.codecov.yml b/constraint/vendor/github.com/go-openapi/analysis/.codecov.yml deleted file mode 100644 index 841c4281e..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/.codecov.yml +++ /dev/null @@ -1,5 +0,0 @@ -coverage: - status: - patch: - default: - target: 80% diff --git a/constraint/vendor/github.com/go-openapi/analysis/.gitignore b/constraint/vendor/github.com/go-openapi/analysis/.gitignore deleted file mode 100644 index 87c3bd3e6..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/.gitignore +++ /dev/null @@ -1,5 +0,0 @@ -secrets.yml -coverage.out -coverage.txt -*.cov -.idea diff --git a/constraint/vendor/github.com/go-openapi/analysis/.golangci.yml b/constraint/vendor/github.com/go-openapi/analysis/.golangci.yml deleted file mode 100644 index 76af8ab1c..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/.golangci.yml +++ /dev/null @@ -1,27 +0,0 @@ -linters-settings: - govet: - check-shadowing: true - golint: - min-confidence: 0 - gocyclo: - min-complexity: 40 - maligned: - suggest-new: true - dupl: - threshold: 100 - goconst: - min-len: 2 - min-occurrences: 4 - -linters: - enable-all: true - disable: - - maligned - - lll - - gochecknoglobals - - gochecknoinits - # scopelint is useful, but also reports false positives - # that unfortunately can't be disabled. So we disable the - # linter rather than changing code that works. - # see: https://github.com/kyoh86/scopelint/issues/4 - - scopelint diff --git a/constraint/vendor/github.com/go-openapi/analysis/.travis.yml b/constraint/vendor/github.com/go-openapi/analysis/.travis.yml deleted file mode 100644 index 7ecf865c2..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/.travis.yml +++ /dev/null @@ -1,15 +0,0 @@ -after_success: -- bash <(curl -s https://codecov.io/bash) -go: -- 1.11.x -- 1.12.x -install: -- GO111MODULE=off go get -u gotest.tools/gotestsum -env: -- GO111MODULE=on -language: go -notifications: - slack: - secure: 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 -script: -- gotestsum -f short-verbose -- -race -timeout=20m -coverprofile=coverage.txt -covermode=atomic ./... diff --git a/constraint/vendor/github.com/go-openapi/analysis/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/go-openapi/analysis/CODE_OF_CONDUCT.md deleted file mode 100644 index 9322b065e..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/CODE_OF_CONDUCT.md +++ /dev/null @@ -1,74 +0,0 @@ -# Contributor Covenant Code of Conduct - -## Our Pledge - -In the interest of fostering an open and welcoming environment, we as -contributors and maintainers pledge to making participation in our project and -our community a harassment-free experience for everyone, regardless of age, body -size, disability, ethnicity, gender identity and expression, level of experience, -nationality, personal appearance, race, religion, or sexual identity and -orientation. - -## Our Standards - -Examples of behavior that contributes to creating a positive environment -include: - -* Using welcoming and inclusive language -* Being respectful of differing viewpoints and experiences -* Gracefully accepting constructive criticism -* Focusing on what is best for the community -* Showing empathy towards other community members - -Examples of unacceptable behavior by participants include: - -* The use of sexualized language or imagery and unwelcome sexual attention or -advances -* Trolling, insulting/derogatory comments, and personal or political attacks -* Public or private harassment -* Publishing others' private information, such as a physical or electronic - address, without explicit permission -* Other conduct which could reasonably be considered inappropriate in a - professional setting - -## Our Responsibilities - -Project maintainers are responsible for clarifying the standards of acceptable -behavior and are expected to take appropriate and fair corrective action in -response to any instances of unacceptable behavior. - -Project maintainers have the right and responsibility to remove, edit, or -reject comments, commits, code, wiki edits, issues, and other contributions -that are not aligned to this Code of Conduct, or to ban temporarily or -permanently any contributor for other behaviors that they deem inappropriate, -threatening, offensive, or harmful. - -## Scope - -This Code of Conduct applies both within project spaces and in public spaces -when an individual is representing the project or its community. Examples of -representing a project or community include using an official project e-mail -address, posting via an official social media account, or acting as an appointed -representative at an online or offline event. Representation of a project may be -further defined and clarified by project maintainers. - -## Enforcement - -Instances of abusive, harassing, or otherwise unacceptable behavior may be -reported by contacting the project team at ivan+abuse@flanders.co.nz. All -complaints will be reviewed and investigated and will result in a response that -is deemed necessary and appropriate to the circumstances. The project team is -obligated to maintain confidentiality with regard to the reporter of an incident. -Further details of specific enforcement policies may be posted separately. - -Project maintainers who do not follow or enforce the Code of Conduct in good -faith may face temporary or permanent repercussions as determined by other -members of the project's leadership. - -## Attribution - -This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, -available at [http://contributor-covenant.org/version/1/4][version] - -[homepage]: http://contributor-covenant.org -[version]: http://contributor-covenant.org/version/1/4/ diff --git a/constraint/vendor/github.com/go-openapi/analysis/README.md b/constraint/vendor/github.com/go-openapi/analysis/README.md deleted file mode 100644 index efafdf8fd..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/README.md +++ /dev/null @@ -1,9 +0,0 @@ -# OpenAPI initiative analysis [![Build Status](https://travis-ci.org/go-openapi/analysis.svg?branch=master)](https://travis-ci.org/go-openapi/analysis) [![Build status](https://ci.appveyor.com/api/projects/status/x377t5o9ennm847o/branch/master?svg=true)](https://ci.appveyor.com/project/casualjim/go-openapi/analysis/branch/master) [![codecov](https://codecov.io/gh/go-openapi/analysis/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/analysis) -[![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) -[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/analysis/master/LICENSE) -[![GoDoc](https://godoc.org/github.com/go-openapi/analysis?status.svg)](http://godoc.org/github.com/go-openapi/analysis) -[![GolangCI](https://golangci.com/badges/github.com/go-openapi/analysis.svg)](https://golangci.com) -[![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/analysis)](https://goreportcard.com/report/github.com/go-openapi/analysis) - - -A foundational library to analyze an OAI specification document for easier reasoning about the content. diff --git a/constraint/vendor/github.com/go-openapi/analysis/analyzer.go b/constraint/vendor/github.com/go-openapi/analysis/analyzer.go deleted file mode 100644 index 4d98718c4..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/analyzer.go +++ /dev/null @@ -1,970 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package analysis - -import ( - "fmt" - slashpath "path" - "strconv" - "strings" - - "github.com/go-openapi/jsonpointer" - "github.com/go-openapi/spec" - "github.com/go-openapi/swag" -) - -type referenceAnalysis struct { - schemas map[string]spec.Ref - responses map[string]spec.Ref - parameters map[string]spec.Ref - items map[string]spec.Ref - headerItems map[string]spec.Ref - parameterItems map[string]spec.Ref - allRefs map[string]spec.Ref - pathItems map[string]spec.Ref -} - -func (r *referenceAnalysis) addRef(key string, ref spec.Ref) { - r.allRefs["#"+key] = ref -} - -func (r *referenceAnalysis) addItemsRef(key string, items *spec.Items, location string) { - r.items["#"+key] = items.Ref - r.addRef(key, items.Ref) - if location == "header" { - // NOTE: in swagger 2.0, headers and parameters (but not body param schemas) are simple schemas - // and $ref are not supported here. However it is possible to analyze this. - r.headerItems["#"+key] = items.Ref - } else { - r.parameterItems["#"+key] = items.Ref - } -} - -func (r *referenceAnalysis) addSchemaRef(key string, ref SchemaRef) { - r.schemas["#"+key] = ref.Schema.Ref - r.addRef(key, ref.Schema.Ref) -} - -func (r *referenceAnalysis) addResponseRef(key string, resp *spec.Response) { - r.responses["#"+key] = resp.Ref - r.addRef(key, resp.Ref) -} - -func (r *referenceAnalysis) addParamRef(key string, param *spec.Parameter) { - r.parameters["#"+key] = param.Ref - r.addRef(key, param.Ref) -} - -func (r *referenceAnalysis) addPathItemRef(key string, pathItem *spec.PathItem) { - r.pathItems["#"+key] = pathItem.Ref - r.addRef(key, pathItem.Ref) -} - -type patternAnalysis struct { - parameters map[string]string - headers map[string]string - items map[string]string - schemas map[string]string - allPatterns map[string]string -} - -func (p *patternAnalysis) addPattern(key, pattern string) { - p.allPatterns["#"+key] = pattern -} - -func (p *patternAnalysis) addParameterPattern(key, pattern string) { - p.parameters["#"+key] = pattern - p.addPattern(key, pattern) -} - -func (p *patternAnalysis) addHeaderPattern(key, pattern string) { - p.headers["#"+key] = pattern - p.addPattern(key, pattern) -} - -func (p *patternAnalysis) addItemsPattern(key, pattern string) { - p.items["#"+key] = pattern - p.addPattern(key, pattern) -} - -func (p *patternAnalysis) addSchemaPattern(key, pattern string) { - p.schemas["#"+key] = pattern - p.addPattern(key, pattern) -} - -type enumAnalysis struct { - parameters map[string][]interface{} - headers map[string][]interface{} - items map[string][]interface{} - schemas map[string][]interface{} - allEnums map[string][]interface{} -} - -func (p *enumAnalysis) addEnum(key string, enum []interface{}) { - p.allEnums["#"+key] = enum -} - -func (p *enumAnalysis) addParameterEnum(key string, enum []interface{}) { - p.parameters["#"+key] = enum - p.addEnum(key, enum) -} - -func (p *enumAnalysis) addHeaderEnum(key string, enum []interface{}) { - p.headers["#"+key] = enum - p.addEnum(key, enum) -} - -func (p *enumAnalysis) addItemsEnum(key string, enum []interface{}) { - p.items["#"+key] = enum - p.addEnum(key, enum) -} - -func (p *enumAnalysis) addSchemaEnum(key string, enum []interface{}) { - p.schemas["#"+key] = enum - p.addEnum(key, enum) -} - -// New takes a swagger spec object and returns an analyzed spec document. -// The analyzed document contains a number of indices that make it easier to -// reason about semantics of a swagger specification for use in code generation -// or validation etc. -func New(doc *spec.Swagger) *Spec { - a := &Spec{ - spec: doc, - references: referenceAnalysis{}, - patterns: patternAnalysis{}, - enums: enumAnalysis{}, - } - a.reset() - a.initialize() - return a -} - -// Spec is an analyzed specification object. It takes a swagger spec object and turns it into a registry -// with a bunch of utility methods to act on the information in the spec. -type Spec struct { - spec *spec.Swagger - consumes map[string]struct{} - produces map[string]struct{} - authSchemes map[string]struct{} - operations map[string]map[string]*spec.Operation - references referenceAnalysis - patterns patternAnalysis - enums enumAnalysis - allSchemas map[string]SchemaRef - allOfs map[string]SchemaRef -} - -func (s *Spec) reset() { - s.consumes = make(map[string]struct{}, 150) - s.produces = make(map[string]struct{}, 150) - s.authSchemes = make(map[string]struct{}, 150) - s.operations = make(map[string]map[string]*spec.Operation, 150) - s.allSchemas = make(map[string]SchemaRef, 150) - s.allOfs = make(map[string]SchemaRef, 150) - s.references.schemas = make(map[string]spec.Ref, 150) - s.references.pathItems = make(map[string]spec.Ref, 150) - s.references.responses = make(map[string]spec.Ref, 150) - s.references.parameters = make(map[string]spec.Ref, 150) - s.references.items = make(map[string]spec.Ref, 150) - s.references.headerItems = make(map[string]spec.Ref, 150) - s.references.parameterItems = make(map[string]spec.Ref, 150) - s.references.allRefs = make(map[string]spec.Ref, 150) - s.patterns.parameters = make(map[string]string, 150) - s.patterns.headers = make(map[string]string, 150) - s.patterns.items = make(map[string]string, 150) - s.patterns.schemas = make(map[string]string, 150) - s.patterns.allPatterns = make(map[string]string, 150) - s.enums.parameters = make(map[string][]interface{}, 150) - s.enums.headers = make(map[string][]interface{}, 150) - s.enums.items = make(map[string][]interface{}, 150) - s.enums.schemas = make(map[string][]interface{}, 150) - s.enums.allEnums = make(map[string][]interface{}, 150) -} - -func (s *Spec) reload() { - s.reset() - s.initialize() -} - -func (s *Spec) initialize() { - for _, c := range s.spec.Consumes { - s.consumes[c] = struct{}{} - } - for _, c := range s.spec.Produces { - s.produces[c] = struct{}{} - } - for _, ss := range s.spec.Security { - for k := range ss { - s.authSchemes[k] = struct{}{} - } - } - for path, pathItem := range s.AllPaths() { - s.analyzeOperations(path, &pathItem) - } - - for name, parameter := range s.spec.Parameters { - refPref := slashpath.Join("/parameters", jsonpointer.Escape(name)) - if parameter.Items != nil { - s.analyzeItems("items", parameter.Items, refPref, "parameter") - } - if parameter.In == "body" && parameter.Schema != nil { - s.analyzeSchema("schema", *parameter.Schema, refPref) - } - if parameter.Pattern != "" { - s.patterns.addParameterPattern(refPref, parameter.Pattern) - } - if len(parameter.Enum) > 0 { - s.enums.addParameterEnum(refPref, parameter.Enum) - } - } - - for name, response := range s.spec.Responses { - refPref := slashpath.Join("/responses", jsonpointer.Escape(name)) - for k, v := range response.Headers { - hRefPref := slashpath.Join(refPref, "headers", k) - if v.Items != nil { - s.analyzeItems("items", v.Items, hRefPref, "header") - } - if v.Pattern != "" { - s.patterns.addHeaderPattern(hRefPref, v.Pattern) - } - if len(v.Enum) > 0 { - s.enums.addHeaderEnum(hRefPref, v.Enum) - } - } - if response.Schema != nil { - s.analyzeSchema("schema", *response.Schema, refPref) - } - } - - for name, schema := range s.spec.Definitions { - s.analyzeSchema(name, schema, "/definitions") - } - // TODO: after analyzing all things and flattening schemas etc - // resolve all the collected references to their final representations - // best put in a separate method because this could get expensive -} - -func (s *Spec) analyzeOperations(path string, pi *spec.PathItem) { - // TODO: resolve refs here? - // Currently, operations declared via pathItem $ref are known only after expansion - op := pi - if pi.Ref.String() != "" { - key := slashpath.Join("/paths", jsonpointer.Escape(path)) - s.references.addPathItemRef(key, pi) - } - s.analyzeOperation("GET", path, op.Get) - s.analyzeOperation("PUT", path, op.Put) - s.analyzeOperation("POST", path, op.Post) - s.analyzeOperation("PATCH", path, op.Patch) - s.analyzeOperation("DELETE", path, op.Delete) - s.analyzeOperation("HEAD", path, op.Head) - s.analyzeOperation("OPTIONS", path, op.Options) - for i, param := range op.Parameters { - refPref := slashpath.Join("/paths", jsonpointer.Escape(path), "parameters", strconv.Itoa(i)) - if param.Ref.String() != "" { - s.references.addParamRef(refPref, ¶m) - } - if param.Pattern != "" { - s.patterns.addParameterPattern(refPref, param.Pattern) - } - if len(param.Enum) > 0 { - s.enums.addParameterEnum(refPref, param.Enum) - } - if param.Items != nil { - s.analyzeItems("items", param.Items, refPref, "parameter") - } - if param.Schema != nil { - s.analyzeSchema("schema", *param.Schema, refPref) - } - } -} - -func (s *Spec) analyzeItems(name string, items *spec.Items, prefix, location string) { - if items == nil { - return - } - refPref := slashpath.Join(prefix, name) - s.analyzeItems(name, items.Items, refPref, location) - if items.Ref.String() != "" { - s.references.addItemsRef(refPref, items, location) - } - if items.Pattern != "" { - s.patterns.addItemsPattern(refPref, items.Pattern) - } - if len(items.Enum) > 0 { - s.enums.addItemsEnum(refPref, items.Enum) - } -} - -func (s *Spec) analyzeOperation(method, path string, op *spec.Operation) { - if op == nil { - return - } - - for _, c := range op.Consumes { - s.consumes[c] = struct{}{} - } - for _, c := range op.Produces { - s.produces[c] = struct{}{} - } - for _, ss := range op.Security { - for k := range ss { - s.authSchemes[k] = struct{}{} - } - } - if _, ok := s.operations[method]; !ok { - s.operations[method] = make(map[string]*spec.Operation) - } - s.operations[method][path] = op - prefix := slashpath.Join("/paths", jsonpointer.Escape(path), strings.ToLower(method)) - for i, param := range op.Parameters { - refPref := slashpath.Join(prefix, "parameters", strconv.Itoa(i)) - if param.Ref.String() != "" { - s.references.addParamRef(refPref, ¶m) - } - if param.Pattern != "" { - s.patterns.addParameterPattern(refPref, param.Pattern) - } - if len(param.Enum) > 0 { - s.enums.addParameterEnum(refPref, param.Enum) - } - s.analyzeItems("items", param.Items, refPref, "parameter") - if param.In == "body" && param.Schema != nil { - s.analyzeSchema("schema", *param.Schema, refPref) - } - } - if op.Responses != nil { - if op.Responses.Default != nil { - refPref := slashpath.Join(prefix, "responses", "default") - if op.Responses.Default.Ref.String() != "" { - s.references.addResponseRef(refPref, op.Responses.Default) - } - for k, v := range op.Responses.Default.Headers { - hRefPref := slashpath.Join(refPref, "headers", k) - s.analyzeItems("items", v.Items, hRefPref, "header") - if v.Pattern != "" { - s.patterns.addHeaderPattern(hRefPref, v.Pattern) - } - } - if op.Responses.Default.Schema != nil { - s.analyzeSchema("schema", *op.Responses.Default.Schema, refPref) - } - } - for k, res := range op.Responses.StatusCodeResponses { - refPref := slashpath.Join(prefix, "responses", strconv.Itoa(k)) - if res.Ref.String() != "" { - s.references.addResponseRef(refPref, &res) - } - for k, v := range res.Headers { - hRefPref := slashpath.Join(refPref, "headers", k) - s.analyzeItems("items", v.Items, hRefPref, "header") - if v.Pattern != "" { - s.patterns.addHeaderPattern(hRefPref, v.Pattern) - } - if len(v.Enum) > 0 { - s.enums.addHeaderEnum(hRefPref, v.Enum) - } - } - if res.Schema != nil { - s.analyzeSchema("schema", *res.Schema, refPref) - } - } - } -} - -func (s *Spec) analyzeSchema(name string, schema spec.Schema, prefix string) { - refURI := slashpath.Join(prefix, jsonpointer.Escape(name)) - schRef := SchemaRef{ - Name: name, - Schema: &schema, - Ref: spec.MustCreateRef("#" + refURI), - TopLevel: prefix == "/definitions", - } - - s.allSchemas["#"+refURI] = schRef - - if schema.Ref.String() != "" { - s.references.addSchemaRef(refURI, schRef) - } - if schema.Pattern != "" { - s.patterns.addSchemaPattern(refURI, schema.Pattern) - } - if len(schema.Enum) > 0 { - s.enums.addSchemaEnum(refURI, schema.Enum) - } - - for k, v := range schema.Definitions { - s.analyzeSchema(k, v, slashpath.Join(refURI, "definitions")) - } - for k, v := range schema.Properties { - s.analyzeSchema(k, v, slashpath.Join(refURI, "properties")) - } - for k, v := range schema.PatternProperties { - // NOTE: swagger 2.0 does not support PatternProperties. - // However it is possible to analyze this in a schema - s.analyzeSchema(k, v, slashpath.Join(refURI, "patternProperties")) - } - for i, v := range schema.AllOf { - s.analyzeSchema(strconv.Itoa(i), v, slashpath.Join(refURI, "allOf")) - } - if len(schema.AllOf) > 0 { - s.allOfs["#"+refURI] = schRef - } - for i, v := range schema.AnyOf { - // NOTE: swagger 2.0 does not support anyOf constructs. - // However it is possible to analyze this in a schema - s.analyzeSchema(strconv.Itoa(i), v, slashpath.Join(refURI, "anyOf")) - } - for i, v := range schema.OneOf { - // NOTE: swagger 2.0 does not support oneOf constructs. - // However it is possible to analyze this in a schema - s.analyzeSchema(strconv.Itoa(i), v, slashpath.Join(refURI, "oneOf")) - } - if schema.Not != nil { - // NOTE: swagger 2.0 does not support "not" constructs. - // However it is possible to analyze this in a schema - s.analyzeSchema("not", *schema.Not, refURI) - } - if schema.AdditionalProperties != nil && schema.AdditionalProperties.Schema != nil { - s.analyzeSchema("additionalProperties", *schema.AdditionalProperties.Schema, refURI) - } - if schema.AdditionalItems != nil && schema.AdditionalItems.Schema != nil { - // NOTE: swagger 2.0 does not support AdditionalItems. - // However it is possible to analyze this in a schema - s.analyzeSchema("additionalItems", *schema.AdditionalItems.Schema, refURI) - } - if schema.Items != nil { - if schema.Items.Schema != nil { - s.analyzeSchema("items", *schema.Items.Schema, refURI) - } - for i, sch := range schema.Items.Schemas { - s.analyzeSchema(strconv.Itoa(i), sch, slashpath.Join(refURI, "items")) - } - } -} - -// SecurityRequirement is a representation of a security requirement for an operation -type SecurityRequirement struct { - Name string - Scopes []string -} - -// SecurityRequirementsFor gets the security requirements for the operation -func (s *Spec) SecurityRequirementsFor(operation *spec.Operation) [][]SecurityRequirement { - if s.spec.Security == nil && operation.Security == nil { - return nil - } - - schemes := s.spec.Security - if operation.Security != nil { - schemes = operation.Security - } - - result := [][]SecurityRequirement{} - for _, scheme := range schemes { - if len(scheme) == 0 { - // append a zero object for anonymous - result = append(result, []SecurityRequirement{{}}) - continue - } - var reqs []SecurityRequirement - for k, v := range scheme { - if v == nil { - v = []string{} - } - reqs = append(reqs, SecurityRequirement{Name: k, Scopes: v}) - } - result = append(result, reqs) - } - return result -} - -// SecurityDefinitionsForRequirements gets the matching security definitions for a set of requirements -func (s *Spec) SecurityDefinitionsForRequirements(requirements []SecurityRequirement) map[string]spec.SecurityScheme { - result := make(map[string]spec.SecurityScheme) - - for _, v := range requirements { - if definition, ok := s.spec.SecurityDefinitions[v.Name]; ok { - if definition != nil { - result[v.Name] = *definition - } - } - } - return result -} - -// SecurityDefinitionsFor gets the matching security definitions for a set of requirements -func (s *Spec) SecurityDefinitionsFor(operation *spec.Operation) map[string]spec.SecurityScheme { - requirements := s.SecurityRequirementsFor(operation) - if len(requirements) == 0 { - return nil - } - - result := make(map[string]spec.SecurityScheme) - for _, reqs := range requirements { - for _, v := range reqs { - if v.Name == "" { - // optional requirement - continue - } - if _, ok := result[v.Name]; ok { - // duplicate requirement - continue - } - if definition, ok := s.spec.SecurityDefinitions[v.Name]; ok { - if definition != nil { - result[v.Name] = *definition - } - } - } - } - return result -} - -// ConsumesFor gets the mediatypes for the operation -func (s *Spec) ConsumesFor(operation *spec.Operation) []string { - - if len(operation.Consumes) == 0 { - cons := make(map[string]struct{}, len(s.spec.Consumes)) - for _, k := range s.spec.Consumes { - cons[k] = struct{}{} - } - return s.structMapKeys(cons) - } - - cons := make(map[string]struct{}, len(operation.Consumes)) - for _, c := range operation.Consumes { - cons[c] = struct{}{} - } - return s.structMapKeys(cons) -} - -// ProducesFor gets the mediatypes for the operation -func (s *Spec) ProducesFor(operation *spec.Operation) []string { - if len(operation.Produces) == 0 { - prod := make(map[string]struct{}, len(s.spec.Produces)) - for _, k := range s.spec.Produces { - prod[k] = struct{}{} - } - return s.structMapKeys(prod) - } - - prod := make(map[string]struct{}, len(operation.Produces)) - for _, c := range operation.Produces { - prod[c] = struct{}{} - } - return s.structMapKeys(prod) -} - -func mapKeyFromParam(param *spec.Parameter) string { - return fmt.Sprintf("%s#%s", param.In, fieldNameFromParam(param)) -} - -func fieldNameFromParam(param *spec.Parameter) string { - // TODO: this should be x-go-name - if nm, ok := param.Extensions.GetString("go-name"); ok { - return nm - } - return swag.ToGoName(param.Name) -} - -// ErrorOnParamFunc is a callback function to be invoked -// whenever an error is encountered while resolving references -// on parameters. -// -// This function takes as input the spec.Parameter which triggered the -// error and the error itself. -// -// If the callback function returns false, the calling function should bail. -// -// If it returns true, the calling function should continue evaluating parameters. -// A nil ErrorOnParamFunc must be evaluated as equivalent to panic(). -type ErrorOnParamFunc func(spec.Parameter, error) bool - -func (s *Spec) paramsAsMap(parameters []spec.Parameter, res map[string]spec.Parameter, callmeOnError ErrorOnParamFunc) { - for _, param := range parameters { - pr := param - if pr.Ref.String() != "" { - obj, _, err := pr.Ref.GetPointer().Get(s.spec) - if err != nil { - if callmeOnError != nil { - if callmeOnError(param, fmt.Errorf("invalid reference: %q", pr.Ref.String())) { - continue - } - break - } else { - panic(fmt.Sprintf("invalid reference: %q", pr.Ref.String())) - } - } - if objAsParam, ok := obj.(spec.Parameter); ok { - pr = objAsParam - } else { - if callmeOnError != nil { - if callmeOnError(param, fmt.Errorf("resolved reference is not a parameter: %q", pr.Ref.String())) { - continue - } - break - } else { - panic(fmt.Sprintf("resolved reference is not a parameter: %q", pr.Ref.String())) - } - } - } - res[mapKeyFromParam(&pr)] = pr - } -} - -// ParametersFor the specified operation id. -// -// Assumes parameters properly resolve references if any and that -// such references actually resolve to a parameter object. -// Otherwise, panics. -func (s *Spec) ParametersFor(operationID string) []spec.Parameter { - return s.SafeParametersFor(operationID, nil) -} - -// SafeParametersFor the specified operation id. -// -// Does not assume parameters properly resolve references or that -// such references actually resolve to a parameter object. -// -// Upon error, invoke a ErrorOnParamFunc callback with the erroneous -// parameters. If the callback is set to nil, panics upon errors. -func (s *Spec) SafeParametersFor(operationID string, callmeOnError ErrorOnParamFunc) []spec.Parameter { - gatherParams := func(pi *spec.PathItem, op *spec.Operation) []spec.Parameter { - bag := make(map[string]spec.Parameter) - s.paramsAsMap(pi.Parameters, bag, callmeOnError) - s.paramsAsMap(op.Parameters, bag, callmeOnError) - - var res []spec.Parameter - for _, v := range bag { - res = append(res, v) - } - return res - } - for _, pi := range s.spec.Paths.Paths { - if pi.Get != nil && pi.Get.ID == operationID { - return gatherParams(&pi, pi.Get) - } - if pi.Head != nil && pi.Head.ID == operationID { - return gatherParams(&pi, pi.Head) - } - if pi.Options != nil && pi.Options.ID == operationID { - return gatherParams(&pi, pi.Options) - } - if pi.Post != nil && pi.Post.ID == operationID { - return gatherParams(&pi, pi.Post) - } - if pi.Patch != nil && pi.Patch.ID == operationID { - return gatherParams(&pi, pi.Patch) - } - if pi.Put != nil && pi.Put.ID == operationID { - return gatherParams(&pi, pi.Put) - } - if pi.Delete != nil && pi.Delete.ID == operationID { - return gatherParams(&pi, pi.Delete) - } - } - return nil -} - -// ParamsFor the specified method and path. Aggregates them with the defaults etc, so it's all the params that -// apply for the method and path. -// -// Assumes parameters properly resolve references if any and that -// such references actually resolve to a parameter object. -// Otherwise, panics. -func (s *Spec) ParamsFor(method, path string) map[string]spec.Parameter { - return s.SafeParamsFor(method, path, nil) -} - -// SafeParamsFor the specified method and path. Aggregates them with the defaults etc, so it's all the params that -// apply for the method and path. -// -// Does not assume parameters properly resolve references or that -// such references actually resolve to a parameter object. -// -// Upon error, invoke a ErrorOnParamFunc callback with the erroneous -// parameters. If the callback is set to nil, panics upon errors. -func (s *Spec) SafeParamsFor(method, path string, callmeOnError ErrorOnParamFunc) map[string]spec.Parameter { - res := make(map[string]spec.Parameter) - if pi, ok := s.spec.Paths.Paths[path]; ok { - s.paramsAsMap(pi.Parameters, res, callmeOnError) - s.paramsAsMap(s.operations[strings.ToUpper(method)][path].Parameters, res, callmeOnError) - } - return res -} - -// OperationForName gets the operation for the given id -func (s *Spec) OperationForName(operationID string) (string, string, *spec.Operation, bool) { - for method, pathItem := range s.operations { - for path, op := range pathItem { - if operationID == op.ID { - return method, path, op, true - } - } - } - return "", "", nil, false -} - -// OperationFor the given method and path -func (s *Spec) OperationFor(method, path string) (*spec.Operation, bool) { - if mp, ok := s.operations[strings.ToUpper(method)]; ok { - op, fn := mp[path] - return op, fn - } - return nil, false -} - -// Operations gathers all the operations specified in the spec document -func (s *Spec) Operations() map[string]map[string]*spec.Operation { - return s.operations -} - -func (s *Spec) structMapKeys(mp map[string]struct{}) []string { - if len(mp) == 0 { - return nil - } - - result := make([]string, 0, len(mp)) - for k := range mp { - result = append(result, k) - } - return result -} - -// AllPaths returns all the paths in the swagger spec -func (s *Spec) AllPaths() map[string]spec.PathItem { - if s.spec == nil || s.spec.Paths == nil { - return nil - } - return s.spec.Paths.Paths -} - -// OperationIDs gets all the operation ids based on method an dpath -func (s *Spec) OperationIDs() []string { - if len(s.operations) == 0 { - return nil - } - result := make([]string, 0, len(s.operations)) - for method, v := range s.operations { - for p, o := range v { - if o.ID != "" { - result = append(result, o.ID) - } else { - result = append(result, fmt.Sprintf("%s %s", strings.ToUpper(method), p)) - } - } - } - return result -} - -// OperationMethodPaths gets all the operation ids based on method an dpath -func (s *Spec) OperationMethodPaths() []string { - if len(s.operations) == 0 { - return nil - } - result := make([]string, 0, len(s.operations)) - for method, v := range s.operations { - for p := range v { - result = append(result, fmt.Sprintf("%s %s", strings.ToUpper(method), p)) - } - } - return result -} - -// RequiredConsumes gets all the distinct consumes that are specified in the specification document -func (s *Spec) RequiredConsumes() []string { - return s.structMapKeys(s.consumes) -} - -// RequiredProduces gets all the distinct produces that are specified in the specification document -func (s *Spec) RequiredProduces() []string { - return s.structMapKeys(s.produces) -} - -// RequiredSecuritySchemes gets all the distinct security schemes that are specified in the swagger spec -func (s *Spec) RequiredSecuritySchemes() []string { - return s.structMapKeys(s.authSchemes) -} - -// SchemaRef is a reference to a schema -type SchemaRef struct { - Name string - Ref spec.Ref - Schema *spec.Schema - TopLevel bool -} - -// SchemasWithAllOf returns schema references to all schemas that are defined -// with an allOf key -func (s *Spec) SchemasWithAllOf() (result []SchemaRef) { - for _, v := range s.allOfs { - result = append(result, v) - } - return -} - -// AllDefinitions returns schema references for all the definitions that were discovered -func (s *Spec) AllDefinitions() (result []SchemaRef) { - for _, v := range s.allSchemas { - result = append(result, v) - } - return -} - -// AllDefinitionReferences returns json refs for all the discovered schemas -func (s *Spec) AllDefinitionReferences() (result []string) { - for _, v := range s.references.schemas { - result = append(result, v.String()) - } - return -} - -// AllParameterReferences returns json refs for all the discovered parameters -func (s *Spec) AllParameterReferences() (result []string) { - for _, v := range s.references.parameters { - result = append(result, v.String()) - } - return -} - -// AllResponseReferences returns json refs for all the discovered responses -func (s *Spec) AllResponseReferences() (result []string) { - for _, v := range s.references.responses { - result = append(result, v.String()) - } - return -} - -// AllPathItemReferences returns the references for all the items -func (s *Spec) AllPathItemReferences() (result []string) { - for _, v := range s.references.pathItems { - result = append(result, v.String()) - } - return -} - -// AllItemsReferences returns the references for all the items in simple schemas (parameters or headers). -// -// NOTE: since Swagger 2.0 forbids $ref in simple params, this should always yield an empty slice for a valid -// Swagger 2.0 spec. -func (s *Spec) AllItemsReferences() (result []string) { - for _, v := range s.references.items { - result = append(result, v.String()) - } - return -} - -// AllReferences returns all the references found in the document, with possible duplicates -func (s *Spec) AllReferences() (result []string) { - for _, v := range s.references.allRefs { - result = append(result, v.String()) - } - return -} - -// AllRefs returns all the unique references found in the document -func (s *Spec) AllRefs() (result []spec.Ref) { - set := make(map[string]struct{}) - for _, v := range s.references.allRefs { - a := v.String() - if a == "" { - continue - } - if _, ok := set[a]; !ok { - set[a] = struct{}{} - result = append(result, v) - } - } - return -} - -func cloneStringMap(source map[string]string) map[string]string { - res := make(map[string]string, len(source)) - for k, v := range source { - res[k] = v - } - return res -} - -func cloneEnumMap(source map[string][]interface{}) map[string][]interface{} { - res := make(map[string][]interface{}, len(source)) - for k, v := range source { - res[k] = v - } - return res -} - -// ParameterPatterns returns all the patterns found in parameters -// the map is cloned to avoid accidental changes -func (s *Spec) ParameterPatterns() map[string]string { - return cloneStringMap(s.patterns.parameters) -} - -// HeaderPatterns returns all the patterns found in response headers -// the map is cloned to avoid accidental changes -func (s *Spec) HeaderPatterns() map[string]string { - return cloneStringMap(s.patterns.headers) -} - -// ItemsPatterns returns all the patterns found in simple array items -// the map is cloned to avoid accidental changes -func (s *Spec) ItemsPatterns() map[string]string { - return cloneStringMap(s.patterns.items) -} - -// SchemaPatterns returns all the patterns found in schemas -// the map is cloned to avoid accidental changes -func (s *Spec) SchemaPatterns() map[string]string { - return cloneStringMap(s.patterns.schemas) -} - -// AllPatterns returns all the patterns found in the spec -// the map is cloned to avoid accidental changes -func (s *Spec) AllPatterns() map[string]string { - return cloneStringMap(s.patterns.allPatterns) -} - -// ParameterEnums returns all the enums found in parameters -// the map is cloned to avoid accidental changes -func (s *Spec) ParameterEnums() map[string][]interface{} { - return cloneEnumMap(s.enums.parameters) -} - -// HeaderEnums returns all the enums found in response headers -// the map is cloned to avoid accidental changes -func (s *Spec) HeaderEnums() map[string][]interface{} { - return cloneEnumMap(s.enums.headers) -} - -// ItemsEnums returns all the enums found in simple array items -// the map is cloned to avoid accidental changes -func (s *Spec) ItemsEnums() map[string][]interface{} { - return cloneEnumMap(s.enums.items) -} - -// SchemaEnums returns all the enums found in schemas -// the map is cloned to avoid accidental changes -func (s *Spec) SchemaEnums() map[string][]interface{} { - return cloneEnumMap(s.enums.schemas) -} - -// AllEnums returns all the enums found in the spec -// the map is cloned to avoid accidental changes -func (s *Spec) AllEnums() map[string][]interface{} { - return cloneEnumMap(s.enums.allEnums) -} diff --git a/constraint/vendor/github.com/go-openapi/analysis/appveyor.yml b/constraint/vendor/github.com/go-openapi/analysis/appveyor.yml deleted file mode 100644 index 3239d7441..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/appveyor.yml +++ /dev/null @@ -1,33 +0,0 @@ -version: "0.1.{build}" - -clone_folder: C:\go-openapi\analysis -shallow_clone: true # for startup speed -pull_requests: - do_not_increment_build_number: true - -#skip_tags: true -#skip_branch_with_pr: true - -# appveyor.yml -build: off - -environment: - GOPATH: c:\gopath - -stack: go 1.12 - -test_script: - - go test -v -timeout 20m ./... -#artifacts: -# - path: '%GOPATH%\bin\*.exe' -deploy: off - -notifications: - - provider: Slack - incoming_webhook: https://hooks.slack.com/services/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 - auth_token: - secure: 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 - channel: bots - on_build_success: false - on_build_failure: true - on_build_status_changed: true diff --git a/constraint/vendor/github.com/go-openapi/analysis/debug.go b/constraint/vendor/github.com/go-openapi/analysis/debug.go deleted file mode 100644 index 84cc4e54c..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/debug.go +++ /dev/null @@ -1,47 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package analysis - -import ( - "fmt" - "log" - "os" - "path/filepath" - "runtime" -) - -var ( - // Debug is true when the SWAGGER_DEBUG env var is not empty. - // It enables a more verbose logging of the spec analyzer. - Debug = os.Getenv("SWAGGER_DEBUG") != "" - // analysisLogger is a debug logger for this package - analysisLogger *log.Logger -) - -func init() { - debugOptions() -} - -func debugOptions() { - analysisLogger = log.New(os.Stdout, "analysis:", log.LstdFlags) -} - -func debugLog(msg string, args ...interface{}) { - // A private, trivial trace logger, based on go-openapi/spec/expander.go:debugLog() - if Debug { - _, file1, pos1, _ := runtime.Caller(1) - analysisLogger.Printf("%s:%d: %s", filepath.Base(file1), pos1, fmt.Sprintf(msg, args...)) - } -} diff --git a/constraint/vendor/github.com/go-openapi/analysis/doc.go b/constraint/vendor/github.com/go-openapi/analysis/doc.go deleted file mode 100644 index d5294c095..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/doc.go +++ /dev/null @@ -1,43 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/* -Package analysis provides methods to work with a Swagger specification document from -package go-openapi/spec. - -Analyzing a specification - -An analysed specification object (type Spec) provides methods to work with swagger definition. - -Flattening or expanding a specification - -Flattening a specification bundles all remote $ref in the main spec document. -Depending on flattening options, additional preprocessing may take place: - - full flattening: replacing all inline complex constructs by a named entry in #/definitions - - expand: replace all $ref's in the document by their expanded content - -Merging several specifications - -Mixin several specifications merges all Swagger constructs, and warns about found conflicts. - -Fixing a specification - -Unmarshalling a specification with golang json unmarshalling may lead to -some unwanted result on present but empty fields. - -Analyzing a Swagger schema - -Swagger schemas are analyzed to determine their complexity and qualify their content. -*/ -package analysis diff --git a/constraint/vendor/github.com/go-openapi/analysis/fixer.go b/constraint/vendor/github.com/go-openapi/analysis/fixer.go deleted file mode 100644 index bfe014ca5..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/fixer.go +++ /dev/null @@ -1,76 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package analysis - -import "github.com/go-openapi/spec" - -// FixEmptyResponseDescriptions replaces empty ("") response -// descriptions in the input with "(empty)" to ensure that the -// resulting Swagger is stays valid. The problem appears to arise -// from reading in valid specs that have a explicit response -// description of "" (valid, response.description is required), but -// due to zero values being omitted upon re-serializing (omitempty) we -// lose them unless we stick some chars in there. -func FixEmptyResponseDescriptions(s *spec.Swagger) { - if s.Paths != nil { - for _, v := range s.Paths.Paths { - if v.Get != nil { - FixEmptyDescs(v.Get.Responses) - } - if v.Put != nil { - FixEmptyDescs(v.Put.Responses) - } - if v.Post != nil { - FixEmptyDescs(v.Post.Responses) - } - if v.Delete != nil { - FixEmptyDescs(v.Delete.Responses) - } - if v.Options != nil { - FixEmptyDescs(v.Options.Responses) - } - if v.Head != nil { - FixEmptyDescs(v.Head.Responses) - } - if v.Patch != nil { - FixEmptyDescs(v.Patch.Responses) - } - } - } - for k, v := range s.Responses { - FixEmptyDesc(&v) - s.Responses[k] = v - } -} - -// FixEmptyDescs adds "(empty)" as the description for any Response in -// the given Responses object that doesn't already have one. -func FixEmptyDescs(rs *spec.Responses) { - FixEmptyDesc(rs.Default) - for k, v := range rs.StatusCodeResponses { - FixEmptyDesc(&v) - rs.StatusCodeResponses[k] = v - } -} - -// FixEmptyDesc adds "(empty)" as the description to the given -// Response object if it doesn't already have one and isn't a -// ref. No-op on nil input. -func FixEmptyDesc(rs *spec.Response) { - if rs == nil || rs.Description != "" || rs.Ref.Ref.GetURL() != nil { - return - } - rs.Description = "(empty)" -} diff --git a/constraint/vendor/github.com/go-openapi/analysis/flatten.go b/constraint/vendor/github.com/go-openapi/analysis/flatten.go deleted file mode 100644 index ae1eef5d1..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/flatten.go +++ /dev/null @@ -1,1732 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package analysis - -import ( - "fmt" - "log" - "net/http" - "net/url" - "os" - slashpath "path" - "path/filepath" - "sort" - "strings" - - "strconv" - - "github.com/go-openapi/analysis/internal" - "github.com/go-openapi/jsonpointer" - swspec "github.com/go-openapi/spec" - "github.com/go-openapi/swag" -) - -// FlattenOpts configuration for flattening a swagger specification. -type FlattenOpts struct { - Spec *Spec // The analyzed spec to work with - flattenContext *context // Internal context to track flattening activity - - BasePath string - - // Flattening options - Expand bool // If Expand is true, we skip flattening the spec and expand it instead - Minimal bool - Verbose bool - RemoveUnused bool - - /* Extra keys */ - _ struct{} // require keys -} - -// ExpandOpts creates a spec.ExpandOptions to configure expanding a specification document. -func (f *FlattenOpts) ExpandOpts(skipSchemas bool) *swspec.ExpandOptions { - return &swspec.ExpandOptions{RelativeBase: f.BasePath, SkipSchemas: skipSchemas} -} - -// Swagger gets the swagger specification for this flatten operation -func (f *FlattenOpts) Swagger() *swspec.Swagger { - return f.Spec.spec -} - -// newRef stores information about refs created during the flattening process -type newRef struct { - key string - newName string - path string - isOAIGen bool - resolved bool - schema *swspec.Schema - parents []string -} - -// context stores intermediary results from flatten -type context struct { - newRefs map[string]*newRef - warnings []string - resolved map[string]string -} - -func newContext() *context { - return &context{ - newRefs: make(map[string]*newRef, 150), - warnings: make([]string, 0), - resolved: make(map[string]string, 50), - } -} - -// Flatten an analyzed spec and produce a self-contained spec bundle. -// -// There is a minimal and a full flattening mode. -// -// Minimally flattening a spec means: -// - Expanding parameters, responses, path items, parameter items and header items (references to schemas are left -// unscathed) -// - Importing external (http, file) references so they become internal to the document -// - Moving every JSON pointer to a $ref to a named definition (i.e. the reworked spec does not contain pointers -// like "$ref": "#/definitions/myObject/allOfs/1") -// -// A minimally flattened spec thus guarantees the following properties: -// - all $refs point to a local definition (i.e. '#/definitions/...') -// - definitions are unique -// -// NOTE: arbitrary JSON pointers (other than $refs to top level definitions) are rewritten as definitions if they -// represent a complex schema or express commonality in the spec. -// Otherwise, they are simply expanded. -// -// Minimal flattening is necessary and sufficient for codegen rendering using go-swagger. -// -// Fully flattening a spec means: -// - Moving every complex inline schema to be a definition with an auto-generated name in a depth-first fashion. -// -// By complex, we mean every JSON object with some properties. -// Arrays, when they do not define a tuple, -// or empty objects with or without additionalProperties, are not considered complex and remain inline. -// -// NOTE: rewritten schemas get a vendor extension x-go-gen-location so we know from which part of the spec definitions -// have been created. -// -// Available flattening options: -// - Minimal: stops flattening after minimal $ref processing, leaving schema constructs untouched -// - Expand: expand all $ref's in the document (inoperant if Minimal set to true) -// - Verbose: croaks about name conflicts detected -// - RemoveUnused: removes unused parameters, responses and definitions after expansion/flattening -// -// NOTE: expansion removes all $ref save circular $ref, which remain in place -// -// TODO: additional options -// - ProgagateNameExtensions: ensure that created entries properly follow naming rules when their parent have set a -// x-go-name extension -// - LiftAllOfs: -// - limit the flattening of allOf members when simple objects -// - merge allOf with validation only -// - merge allOf with extensions only -// - ... -// -func Flatten(opts FlattenOpts) error { - // Make sure opts.BasePath is an absolute path - if !filepath.IsAbs(opts.BasePath) { - cwd, _ := os.Getwd() - opts.BasePath = filepath.Join(cwd, opts.BasePath) - } - // make sure drive letter on windows is normalized to lower case - u, _ := url.Parse(opts.BasePath) - opts.BasePath = u.String() - - opts.flattenContext = newContext() - - // recursively expand responses, parameters, path items and items in simple schemas. - // This simplifies the spec and leaves $ref only into schema objects. - if err := swspec.ExpandSpec(opts.Swagger(), opts.ExpandOpts(!opts.Expand)); err != nil { - return err - } - - // strip current file from $ref's, so we can recognize them as proper definitions - // In particular, this works around for issue go-openapi/spec#76: leading absolute file in $ref is stripped - if err := normalizeRef(&opts); err != nil { - return err - } - - if opts.RemoveUnused { - // optionally removes shared parameters and responses already expanded (now unused) - // default parameters (i.e. under paths) remain. - opts.Swagger().Parameters = nil - opts.Swagger().Responses = nil - } - - opts.Spec.reload() // re-analyze - - // at this point there are no references left but in schemas - - for imported := false; !imported; { - // iteratively import remote references until none left. - // This inlining deals with name conflicts by introducing auto-generated names ("OAIGen") - var err error - if imported, err = importExternalReferences(&opts); err != nil { - return err - } - opts.Spec.reload() // re-analyze - } - - if !opts.Minimal && !opts.Expand { - // full flattening: rewrite inline schemas (schemas that aren't simple types or arrays or maps) - if err := nameInlinedSchemas(&opts); err != nil { - return err - } - - opts.Spec.reload() // re-analyze - } - - // rewrite JSON pointers other than $ref to named definitions - // and attempt to resolve conflicting names whenever possible. - if err := stripPointersAndOAIGen(&opts); err != nil { - return err - } - - if opts.RemoveUnused { - // remove unused definitions - expected := make(map[string]struct{}) - for k := range opts.Swagger().Definitions { - expected[slashpath.Join(definitionsPath, jsonpointer.Escape(k))] = struct{}{} - } - for _, k := range opts.Spec.AllDefinitionReferences() { - delete(expected, k) - } - for k := range expected { - debugLog("removing unused definition %s", slashpath.Base(k)) - if opts.Verbose { - log.Printf("info: removing unused definition: %s", slashpath.Base(k)) - } - delete(opts.Swagger().Definitions, slashpath.Base(k)) - } - opts.Spec.reload() // re-analyze - } - - // TODO: simplify known schema patterns to flat objects with properties - // examples: - // - lift simple allOf object, - // - empty allOf with validation only or extensions only - // - rework allOf arrays - // - rework allOf additionalProperties - - if opts.Verbose { - // issue notifications - croak(&opts) - } - return nil -} - -// isAnalyzedAsComplex determines if an analyzed schema is eligible to flattening (i.e. it is "complex"). -// -// Complex means the schema is any of: -// - a simple type (primitive) -// - an array of something (items are possibly complex ; if this is the case, items will generate a definition) -// - a map of something (additionalProperties are possibly complex ; if this is the case, additionalProperties will -// generate a definition) -func isAnalyzedAsComplex(asch *AnalyzedSchema) bool { - if !asch.IsSimpleSchema && !asch.IsArray && !asch.IsMap { - return true - } - return false -} - -// nameInlinedSchemas replaces every complex inline construct by a named definition. -func nameInlinedSchemas(opts *FlattenOpts) error { - debugLog("nameInlinedSchemas") - namer := &inlineSchemaNamer{ - Spec: opts.Swagger(), - Operations: opRefsByRef(gatherOperations(opts.Spec, nil)), - flattenContext: opts.flattenContext, - opts: opts, - } - depthFirst := sortDepthFirst(opts.Spec.allSchemas) - for _, key := range depthFirst { - sch := opts.Spec.allSchemas[key] - if sch.Schema != nil && sch.Schema.Ref.String() == "" && !sch.TopLevel { // inline schema - asch, err := Schema(SchemaOpts{Schema: sch.Schema, Root: opts.Swagger(), BasePath: opts.BasePath}) - if err != nil { - return fmt.Errorf("schema analysis [%s]: %v", key, err) - } - - if isAnalyzedAsComplex(asch) { // move complex schemas to definitions - if err := namer.Name(key, sch.Schema, asch); err != nil { - return err - } - } - } - } - return nil -} - -var depthGroupOrder = []string{ - "sharedParam", "sharedResponse", "sharedOpParam", "opParam", "codeResponse", "defaultResponse", "definition", -} - -func sortDepthFirst(data map[string]SchemaRef) []string { - // group by category (shared params, op param, statuscode response, default response, definitions) - // sort groups internally by number of parts in the key and lexical names - // flatten groups into a single list of keys - sorted := make([]string, 0, len(data)) - grouped := make(map[string]keys, len(data)) - for k := range data { - split := keyParts(k) - var pk string - if split.IsSharedOperationParam() { - pk = "sharedOpParam" - } - if split.IsOperationParam() { - pk = "opParam" - } - if split.IsStatusCodeResponse() { - pk = "codeResponse" - } - if split.IsDefaultResponse() { - pk = "defaultResponse" - } - if split.IsDefinition() { - pk = "definition" - } - if split.IsSharedParam() { - pk = "sharedParam" - } - if split.IsSharedResponse() { - pk = "sharedResponse" - } - grouped[pk] = append(grouped[pk], key{Segments: len(split), Key: k}) - } - - for _, pk := range depthGroupOrder { - res := grouped[pk] - sort.Sort(res) - for _, v := range res { - sorted = append(sorted, v.Key) - } - } - return sorted -} - -type key struct { - Segments int - Key string -} -type keys []key - -func (k keys) Len() int { return len(k) } -func (k keys) Swap(i, j int) { k[i], k[j] = k[j], k[i] } -func (k keys) Less(i, j int) bool { - return k[i].Segments > k[j].Segments || (k[i].Segments == k[j].Segments && k[i].Key < k[j].Key) -} - -type inlineSchemaNamer struct { - Spec *swspec.Swagger - Operations map[string]opRef - flattenContext *context - opts *FlattenOpts -} - -func opRefsByRef(oprefs map[string]opRef) map[string]opRef { - result := make(map[string]opRef, len(oprefs)) - for _, v := range oprefs { - result[v.Ref.String()] = v - } - return result -} - -func (isn *inlineSchemaNamer) Name(key string, schema *swspec.Schema, aschema *AnalyzedSchema) error { - debugLog("naming inlined schema at %s", key) - - parts := keyParts(key) - for _, name := range namesFromKey(parts, aschema, isn.Operations) { - if name != "" { - // create unique name - newName, isOAIGen := uniqifyName(isn.Spec.Definitions, swag.ToJSONName(name)) - - // clone schema - sch, err := cloneSchema(schema) - if err != nil { - return err - } - - // replace values on schema - if err := rewriteSchemaToRef(isn.Spec, key, - swspec.MustCreateRef(slashpath.Join(definitionsPath, newName))); err != nil { - return fmt.Errorf("error while creating definition %q from inline schema: %v", newName, err) - } - - // rewrite any dependent $ref pointing to this place, - // when not already pointing to a top-level definition. - // - // NOTE: this is important if such referers use arbitrary JSON pointers. - an := New(isn.Spec) - for k, v := range an.references.allRefs { - r, _, erd := deepestRef(isn.opts, v) - if erd != nil { - return fmt.Errorf("at %s, %v", k, erd) - } - if r.String() == key || - r.String() == slashpath.Join(definitionsPath, newName) && - slashpath.Dir(v.String()) != definitionsPath { - debugLog("found a $ref to a rewritten schema: %s points to %s", k, v.String()) - - // rewrite $ref to the new target - if err := updateRef(isn.Spec, k, - swspec.MustCreateRef(slashpath.Join(definitionsPath, newName))); err != nil { - return err - } - } - } - - // NOTE: this extension is currently not used by go-swagger (provided for information only) - sch.AddExtension("x-go-gen-location", genLocation(parts)) - - // save cloned schema to definitions - saveSchema(isn.Spec, newName, sch) - - // keep track of created refs - if isn.flattenContext != nil { - debugLog("track created ref: key=%s, newName=%s, isOAIGen=%t", key, newName, isOAIGen) - resolved := false - if _, ok := isn.flattenContext.newRefs[key]; ok { - resolved = isn.flattenContext.newRefs[key].resolved - } - isn.flattenContext.newRefs[key] = &newRef{ - key: key, - newName: newName, - path: slashpath.Join(definitionsPath, newName), - isOAIGen: isOAIGen, - resolved: resolved, - schema: sch, - } - } - } - } - return nil -} - -// genLocation indicates from which section of the specification (models or operations) a definition has been created. -// -// This is reflected in the output spec with a "x-go-gen-location" extension. At the moment, this is is provided -// for information only. -func genLocation(parts splitKey) string { - if parts.IsOperation() { - return "operations" - } - if parts.IsDefinition() { - return "models" - } - return "" -} - -// uniqifyName yields a unique name for a definition -func uniqifyName(definitions swspec.Definitions, name string) (string, bool) { - isOAIGen := false - if name == "" { - name = "oaiGen" - isOAIGen = true - } - if len(definitions) == 0 { - return name, isOAIGen - } - - unq := true - for k := range definitions { - if strings.EqualFold(k, name) { - unq = false - break - } - } - - if unq { - return name, isOAIGen - } - - name += "OAIGen" - isOAIGen = true - var idx int - unique := name - _, known := definitions[unique] - for known { - idx++ - unique = fmt.Sprintf("%s%d", name, idx) - _, known = definitions[unique] - } - return unique, isOAIGen -} - -func namesFromKey(parts splitKey, aschema *AnalyzedSchema, operations map[string]opRef) []string { - var baseNames [][]string - var startIndex int - if parts.IsOperation() { - // params - if parts.IsOperationParam() || parts.IsSharedOperationParam() { - piref := parts.PathItemRef() - if piref.String() != "" && parts.IsOperationParam() { - if op, ok := operations[piref.String()]; ok { - startIndex = 5 - baseNames = append(baseNames, []string{op.ID, "params", "body"}) - } - } else if parts.IsSharedOperationParam() { - pref := parts.PathRef() - for k, v := range operations { - if strings.HasPrefix(k, pref.String()) { - startIndex = 4 - baseNames = append(baseNames, []string{v.ID, "params", "body"}) - } - } - } - } - // responses - if parts.IsOperationResponse() { - piref := parts.PathItemRef() - if piref.String() != "" { - if op, ok := operations[piref.String()]; ok { - startIndex = 6 - baseNames = append(baseNames, []string{op.ID, parts.ResponseName(), "body"}) - } - } - } - } - - // definitions - if parts.IsDefinition() { - nm := parts.DefinitionName() - if nm != "" { - startIndex = 2 - baseNames = append(baseNames, []string{parts.DefinitionName()}) - } - } - - var result []string - for _, segments := range baseNames { - nm := parts.BuildName(segments, startIndex, aschema) - if nm != "" { - result = append(result, nm) - } - } - sort.Strings(result) - return result -} - -const ( - paths = "paths" - responses = "responses" - parameters = "parameters" - definitions = "definitions" - definitionsPath = "#/definitions" -) - -var ( - ignoredKeys map[string]struct{} - validMethods map[string]struct{} -) - -func init() { - ignoredKeys = map[string]struct{}{ - "schema": {}, - "properties": {}, - "not": {}, - "anyOf": {}, - "oneOf": {}, - } - - validMethods = map[string]struct{}{ - "GET": {}, - "HEAD": {}, - "OPTIONS": {}, - "PATCH": {}, - "POST": {}, - "PUT": {}, - "DELETE": {}, - } -} - -type splitKey []string - -func (s splitKey) IsDefinition() bool { - return len(s) > 1 && s[0] == definitions -} - -func (s splitKey) DefinitionName() string { - if !s.IsDefinition() { - return "" - } - return s[1] -} - -func (s splitKey) isKeyName(i int) bool { - if i <= 0 { - return false - } - count := 0 - for idx := i - 1; idx > 0; idx-- { - if s[idx] != "properties" { - break - } - count++ - } - - return count%2 != 0 -} - -func (s splitKey) BuildName(segments []string, startIndex int, aschema *AnalyzedSchema) string { - for i, part := range s[startIndex:] { - if _, ignored := ignoredKeys[part]; !ignored || s.isKeyName(startIndex+i) { - if part == "items" || part == "additionalItems" { - if aschema.IsTuple || aschema.IsTupleWithExtra { - segments = append(segments, "tuple") - } else { - segments = append(segments, "items") - } - if part == "additionalItems" { - segments = append(segments, part) - } - continue - } - segments = append(segments, part) - } - } - return strings.Join(segments, " ") -} - -func (s splitKey) IsOperation() bool { - return len(s) > 1 && s[0] == paths -} - -func (s splitKey) IsSharedOperationParam() bool { - return len(s) > 2 && s[0] == paths && s[2] == parameters -} - -func (s splitKey) IsSharedParam() bool { - return len(s) > 1 && s[0] == parameters -} - -func (s splitKey) IsOperationParam() bool { - return len(s) > 3 && s[0] == paths && s[3] == parameters -} - -func (s splitKey) IsOperationResponse() bool { - return len(s) > 3 && s[0] == paths && s[3] == responses -} - -func (s splitKey) IsSharedResponse() bool { - return len(s) > 1 && s[0] == responses -} - -func (s splitKey) IsDefaultResponse() bool { - return len(s) > 4 && s[0] == paths && s[3] == responses && s[4] == "default" -} - -func (s splitKey) IsStatusCodeResponse() bool { - isInt := func() bool { - _, err := strconv.Atoi(s[4]) - return err == nil - } - return len(s) > 4 && s[0] == paths && s[3] == responses && isInt() -} - -func (s splitKey) ResponseName() string { - if s.IsStatusCodeResponse() { - code, _ := strconv.Atoi(s[4]) - return http.StatusText(code) - } - if s.IsDefaultResponse() { - return "Default" - } - return "" -} - -func (s splitKey) PathItemRef() swspec.Ref { - if len(s) < 3 { - return swspec.Ref{} - } - pth, method := s[1], s[2] - if _, isValidMethod := validMethods[strings.ToUpper(method)]; !isValidMethod && !strings.HasPrefix(method, "x-") { - return swspec.Ref{} - } - return swspec.MustCreateRef("#" + slashpath.Join("/", paths, jsonpointer.Escape(pth), strings.ToUpper(method))) -} - -func (s splitKey) PathRef() swspec.Ref { - if !s.IsOperation() { - return swspec.Ref{} - } - return swspec.MustCreateRef("#" + slashpath.Join("/", paths, jsonpointer.Escape(s[1]))) -} - -func keyParts(key string) splitKey { - var res []string - for _, part := range strings.Split(key[1:], "/") { - if part != "" { - res = append(res, jsonpointer.Unescape(part)) - } - } - return res -} - -func rewriteSchemaToRef(spec *swspec.Swagger, key string, ref swspec.Ref) error { - debugLog("rewriting schema to ref for %s with %s", key, ref.String()) - _, value, err := getPointerFromKey(spec, key) - if err != nil { - return err - } - - switch refable := value.(type) { - case *swspec.Schema: - return rewriteParentRef(spec, key, ref) - - case swspec.Schema: - return rewriteParentRef(spec, key, ref) - - case *swspec.SchemaOrArray: - if refable.Schema != nil { - refable.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - } - - case *swspec.SchemaOrBool: - if refable.Schema != nil { - refable.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - } - default: - return fmt.Errorf("no schema with ref found at %s for %T", key, value) - } - - return nil -} - -func rewriteParentRef(spec *swspec.Swagger, key string, ref swspec.Ref) error { - parent, entry, pvalue, err := getParentFromKey(spec, key) - if err != nil { - return err - } - - debugLog("rewriting holder for %T", pvalue) - switch container := pvalue.(type) { - case swspec.Response: - if err := rewriteParentRef(spec, "#"+parent, ref); err != nil { - return err - } - - case *swspec.Response: - container.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case *swspec.Responses: - statusCode, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", key[1:], err) - } - resp := container.StatusCodeResponses[statusCode] - resp.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - container.StatusCodeResponses[statusCode] = resp - - case map[string]swspec.Response: - resp := container[entry] - resp.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - container[entry] = resp - - case swspec.Parameter: - if err := rewriteParentRef(spec, "#"+parent, ref); err != nil { - return err - } - - case map[string]swspec.Parameter: - param := container[entry] - param.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - container[entry] = param - - case []swspec.Parameter: - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", key[1:], err) - } - param := container[idx] - param.Schema = &swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - container[idx] = param - - case swspec.Definitions: - container[entry] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case map[string]swspec.Schema: - container[entry] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case []swspec.Schema: - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", key[1:], err) - } - container[idx] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case *swspec.SchemaOrArray: - // NOTE: this is necessarily an array - otherwise, the parent would be *Schema - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", key[1:], err) - } - container.Schemas[idx] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - // NOTE: can't have case *swspec.SchemaOrBool = parent in this case is *Schema - - default: - return fmt.Errorf("unhandled parent schema rewrite %s (%T)", key, pvalue) - } - return nil -} - -func cloneSchema(schema *swspec.Schema) (*swspec.Schema, error) { - var sch swspec.Schema - if err := swag.FromDynamicJSON(schema, &sch); err != nil { - return nil, fmt.Errorf("cannot clone schema: %v", err) - } - return &sch, nil -} - -// importExternalReferences iteratively digs remote references and imports them into the main schema. -// -// At every iteration, new remotes may be found when digging deeper: they are rebased to the current schema before being imported. -// -// This returns true when no more remote references can be found. -func importExternalReferences(opts *FlattenOpts) (bool, error) { - debugLog("importExternalReferences") - - groupedRefs := reverseIndexForSchemaRefs(opts) - sortedRefStr := make([]string, 0, len(groupedRefs)) - if opts.flattenContext == nil { - opts.flattenContext = newContext() - } - - // sort $ref resolution to ensure deterministic name conflict resolution - for refStr := range groupedRefs { - sortedRefStr = append(sortedRefStr, refStr) - } - sort.Strings(sortedRefStr) - - complete := true - - for _, refStr := range sortedRefStr { - entry := groupedRefs[refStr] - if entry.Ref.HasFragmentOnly { - continue - } - complete = false - var isOAIGen bool - - newName := opts.flattenContext.resolved[refStr] - if newName != "" { - // rewrite ref with already resolved external ref (useful for cyclical refs): - // rewrite external refs to local ones - debugLog("resolving known ref [%s] to %s", refStr, newName) - for _, key := range entry.Keys { - if err := updateRef(opts.Swagger(), key, - swspec.MustCreateRef(slashpath.Join(definitionsPath, newName))); err != nil { - return false, err - } - } - } else { - // resolve schemas - debugLog("resolving schema from remote $ref [%s]", refStr) - sch, err := swspec.ResolveRefWithBase(opts.Swagger(), &entry.Ref, opts.ExpandOpts(false)) - if err != nil { - return false, fmt.Errorf("could not resolve schema: %v", err) - } - - // at this stage only $ref analysis matters - partialAnalyzer := &Spec{ - references: referenceAnalysis{}, - patterns: patternAnalysis{}, - enums: enumAnalysis{}, - } - partialAnalyzer.reset() - partialAnalyzer.analyzeSchema("", *sch, "/") - - // now rewrite those refs with rebase - for key, ref := range partialAnalyzer.references.allRefs { - if err := updateRef(sch, key, swspec.MustCreateRef(rebaseRef(entry.Ref.String(), ref.String()))); err != nil { - return false, fmt.Errorf("failed to rewrite ref for key %q at %s: %v", key, entry.Ref.String(), err) - } - } - - // generate a unique name - isOAIGen means that a naming conflict was resolved by changing the name - newName, isOAIGen = uniqifyName(opts.Swagger().Definitions, nameFromRef(entry.Ref)) - debugLog("new name for [%s]: %s - with name conflict:%t", - strings.Join(entry.Keys, ", "), newName, isOAIGen) - - opts.flattenContext.resolved[refStr] = newName - - // rewrite the external refs to local ones - for _, key := range entry.Keys { - if err := updateRef(opts.Swagger(), key, - swspec.MustCreateRef(slashpath.Join(definitionsPath, newName))); err != nil { - return false, err - } - - // keep track of created refs - resolved := false - if _, ok := opts.flattenContext.newRefs[key]; ok { - resolved = opts.flattenContext.newRefs[key].resolved - } - opts.flattenContext.newRefs[key] = &newRef{ - key: key, - newName: newName, - path: slashpath.Join(definitionsPath, newName), - isOAIGen: isOAIGen, - resolved: resolved, - schema: sch, - } - } - - // add the resolved schema to the definitions - saveSchema(opts.Swagger(), newName, sch) - } - } - // maintains ref index entries - for k := range opts.flattenContext.newRefs { - r := opts.flattenContext.newRefs[k] - - // update tracking with resolved schemas - if r.schema.Ref.String() != "" { - ref := swspec.MustCreateRef(r.path) - sch, err := swspec.ResolveRefWithBase(opts.Swagger(), &ref, opts.ExpandOpts(false)) - if err != nil { - return false, fmt.Errorf("could not resolve schema: %v", err) - } - r.schema = sch - } - // update tracking with renamed keys: got a cascade of refs - if r.path != k { - renamed := *r - renamed.key = r.path - opts.flattenContext.newRefs[renamed.path] = &renamed - - // indirect ref - r.newName = slashpath.Base(k) - r.schema = swspec.RefSchema(r.path) - r.path = k - r.isOAIGen = strings.Contains(k, "OAIGen") - } - } - - return complete, nil -} - -type refRevIdx struct { - Ref swspec.Ref - Keys []string -} - -// rebaseRef rebase a remote ref relative to a base ref. -// -// NOTE: does not support JSONschema ID for $ref (we assume we are working with swagger specs here). -// -// NOTE(windows): -// * refs are assumed to have been normalized with drive letter lower cased (from go-openapi/spec) -// * "/ in paths may appear as escape sequences -func rebaseRef(baseRef string, ref string) string { - debugLog("rebasing ref: %s onto %s", ref, baseRef) - baseRef, _ = url.PathUnescape(baseRef) - ref, _ = url.PathUnescape(ref) - if baseRef == "" || baseRef == "." || strings.HasPrefix(baseRef, "#") { - return ref - } - - parts := strings.Split(ref, "#") - - baseParts := strings.Split(baseRef, "#") - baseURL, _ := url.Parse(baseParts[0]) - if strings.HasPrefix(ref, "#") { - if baseURL.Host == "" { - return strings.Join([]string{baseParts[0], parts[1]}, "#") - } - return strings.Join([]string{baseParts[0], parts[1]}, "#") - } - - refURL, _ := url.Parse(parts[0]) - if refURL.Host != "" || filepath.IsAbs(parts[0]) { - // not rebasing an absolute path - return ref - } - - // there is a relative path - var basePath string - if baseURL.Host != "" { - // when there is a host, standard URI rules apply (with "/") - baseURL.Path = slashpath.Dir(baseURL.Path) - baseURL.Path = slashpath.Join(baseURL.Path, "/"+parts[0]) - return baseURL.String() - } - - // this is a local relative path - // basePart[0] and parts[0] are local filesystem directories/files - basePath = filepath.Dir(baseParts[0]) - relPath := filepath.Join(basePath, string(filepath.Separator)+parts[0]) - if len(parts) > 1 { - return strings.Join([]string{relPath, parts[1]}, "#") - } - return relPath -} - -// normalizePath renders absolute path on remote file refs -// -// NOTE(windows): -// * refs are assumed to have been normalized with drive letter lower cased (from go-openapi/spec) -// * "/ in paths may appear as escape sequences -func normalizePath(ref swspec.Ref, opts *FlattenOpts) (normalizedPath string) { - uri, _ := url.PathUnescape(ref.String()) - if ref.HasFragmentOnly || filepath.IsAbs(uri) { - normalizedPath = uri - return - } - - refURL, _ := url.Parse(uri) - if refURL.Host != "" { - normalizedPath = uri - return - } - - parts := strings.Split(uri, "#") - // BasePath, parts[0] are local filesystem directories, guaranteed to be absolute at this stage - parts[0] = filepath.Join(filepath.Dir(opts.BasePath), parts[0]) - normalizedPath = strings.Join(parts, "#") - return -} - -func reverseIndexForSchemaRefs(opts *FlattenOpts) map[string]refRevIdx { - collected := make(map[string]refRevIdx) - for key, schRef := range opts.Spec.references.schemas { - // normalize paths before sorting, - // so we get together keys in same external file - normalizedPath := normalizePath(schRef, opts) - if entry, ok := collected[normalizedPath]; ok { - entry.Keys = append(entry.Keys, key) - collected[normalizedPath] = entry - } else { - collected[normalizedPath] = refRevIdx{ - Ref: schRef, - Keys: []string{key}, - } - } - } - return collected -} - -func nameFromRef(ref swspec.Ref) string { - u := ref.GetURL() - if u.Fragment != "" { - return swag.ToJSONName(slashpath.Base(u.Fragment)) - } - if u.Path != "" { - bn := slashpath.Base(u.Path) - if bn != "" && bn != "/" { - ext := slashpath.Ext(bn) - if ext != "" { - return swag.ToJSONName(bn[:len(bn)-len(ext)]) - } - return swag.ToJSONName(bn) - } - } - return swag.ToJSONName(strings.Replace(u.Host, ".", " ", -1)) -} - -func saveSchema(spec *swspec.Swagger, name string, schema *swspec.Schema) { - if schema == nil { - return - } - if spec.Definitions == nil { - spec.Definitions = make(map[string]swspec.Schema, 150) - } - spec.Definitions[name] = *schema -} - -// getPointerFromKey retrieves the content of the JSON pointer "key" -func getPointerFromKey(spec interface{}, key string) (string, interface{}, error) { - switch spec.(type) { - case *swspec.Schema: - case *swspec.Swagger: - default: - panic("unexpected type used in getPointerFromKey") - } - if key == "#/" { - return "", spec, nil - } - // unescape chars in key, e.g. "{}" from path params - pth, _ := internal.PathUnescape(key[1:]) - ptr, err := jsonpointer.New(pth) - if err != nil { - return "", nil, err - } - - value, _, err := ptr.Get(spec) - if err != nil { - debugLog("error when getting key: %s with path: %s", key, pth) - return "", nil, err - } - return pth, value, nil -} - -// getParentFromKey retrieves the container of the JSON pointer "key" -func getParentFromKey(spec interface{}, key string) (string, string, interface{}, error) { - switch spec.(type) { - case *swspec.Schema: - case *swspec.Swagger: - default: - panic("unexpected type used in getPointerFromKey") - } - // unescape chars in key, e.g. "{}" from path params - pth, _ := internal.PathUnescape(key[1:]) - - parent, entry := slashpath.Dir(pth), slashpath.Base(pth) - debugLog("getting schema holder at: %s, with entry: %s", parent, entry) - - pptr, err := jsonpointer.New(parent) - if err != nil { - return "", "", nil, err - } - pvalue, _, err := pptr.Get(spec) - if err != nil { - return "", "", nil, fmt.Errorf("can't get parent for %s: %v", parent, err) - } - return parent, entry, pvalue, nil -} - -// updateRef replaces a ref by another one -func updateRef(spec interface{}, key string, ref swspec.Ref) error { - switch spec.(type) { - case *swspec.Schema: - case *swspec.Swagger: - default: - panic("unexpected type used in getPointerFromKey") - } - debugLog("updating ref for %s with %s", key, ref.String()) - pth, value, err := getPointerFromKey(spec, key) - if err != nil { - return err - } - - switch refable := value.(type) { - case *swspec.Schema: - refable.Ref = ref - case *swspec.SchemaOrArray: - if refable.Schema != nil { - refable.Schema.Ref = ref - } - case *swspec.SchemaOrBool: - if refable.Schema != nil { - refable.Schema.Ref = ref - } - case swspec.Schema: - debugLog("rewriting holder for %T", refable) - _, entry, pvalue, erp := getParentFromKey(spec, key) - if erp != nil { - return err - } - switch container := pvalue.(type) { - case swspec.Definitions: - container[entry] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case map[string]swspec.Schema: - container[entry] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case []swspec.Schema: - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", pth, err) - } - container[idx] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - case *swspec.SchemaOrArray: - // NOTE: this is necessarily an array - otherwise, the parent would be *Schema - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", pth, err) - } - container.Schemas[idx] = swspec.Schema{SchemaProps: swspec.SchemaProps{Ref: ref}} - - // NOTE: can't have case *swspec.SchemaOrBool = parent in this case is *Schema - - default: - return fmt.Errorf("unhandled container type at %s: %T", key, value) - } - - default: - return fmt.Errorf("no schema with ref found at %s for %T", key, value) - } - - return nil -} - -// updateRefWithSchema replaces a ref with a schema (i.e. re-inline schema) -func updateRefWithSchema(spec *swspec.Swagger, key string, sch *swspec.Schema) error { - debugLog("updating ref for %s with schema", key) - pth, value, err := getPointerFromKey(spec, key) - if err != nil { - return err - } - - switch refable := value.(type) { - case *swspec.Schema: - *refable = *sch - case swspec.Schema: - _, entry, pvalue, erp := getParentFromKey(spec, key) - if erp != nil { - return err - } - switch container := pvalue.(type) { - case swspec.Definitions: - container[entry] = *sch - - case map[string]swspec.Schema: - container[entry] = *sch - - case []swspec.Schema: - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", pth, err) - } - container[idx] = *sch - - case *swspec.SchemaOrArray: - // NOTE: this is necessarily an array - otherwise, the parent would be *Schema - idx, err := strconv.Atoi(entry) - if err != nil { - return fmt.Errorf("%s not a number: %v", pth, err) - } - container.Schemas[idx] = *sch - - // NOTE: can't have case *swspec.SchemaOrBool = parent in this case is *Schema - - default: - return fmt.Errorf("unhandled type for parent of [%s]: %T", key, value) - } - case *swspec.SchemaOrArray: - *refable.Schema = *sch - // NOTE: can't have case *swspec.SchemaOrBool = parent in this case is *Schema - case *swspec.SchemaOrBool: - *refable.Schema = *sch - default: - return fmt.Errorf("no schema with ref found at %s for %T", key, value) - } - - return nil -} - -func containsString(names []string, name string) bool { - for _, nm := range names { - if nm == name { - return true - } - } - return false -} - -type opRef struct { - Method string - Path string - Key string - ID string - Op *swspec.Operation - Ref swspec.Ref -} - -type opRefs []opRef - -func (o opRefs) Len() int { return len(o) } -func (o opRefs) Swap(i, j int) { o[i], o[j] = o[j], o[i] } -func (o opRefs) Less(i, j int) bool { return o[i].Key < o[j].Key } - -func gatherOperations(specDoc *Spec, operationIDs []string) map[string]opRef { - var oprefs opRefs - - for method, pathItem := range specDoc.Operations() { - for pth, operation := range pathItem { - vv := *operation - oprefs = append(oprefs, opRef{ - Key: swag.ToGoName(strings.ToLower(method) + " " + pth), - Method: method, - Path: pth, - ID: vv.ID, - Op: &vv, - Ref: swspec.MustCreateRef("#" + slashpath.Join("/paths", jsonpointer.Escape(pth), method)), - }) - } - } - - sort.Sort(oprefs) - - operations := make(map[string]opRef) - for _, opr := range oprefs { - nm := opr.ID - if nm == "" { - nm = opr.Key - } - - oo, found := operations[nm] - if found && oo.Method != opr.Method && oo.Path != opr.Path { - nm = opr.Key - } - if len(operationIDs) == 0 || containsString(operationIDs, opr.ID) || containsString(operationIDs, nm) { - opr.ID = nm - opr.Op.ID = nm - operations[nm] = opr - } - } - return operations -} - -// stripPointersAndOAIGen removes anonymous JSON pointers from spec and chain with name conflicts handler. -// This loops until the spec has no such pointer and all name conflicts have been reduced as much as possible. -func stripPointersAndOAIGen(opts *FlattenOpts) error { - // name all JSON pointers to anonymous documents - if err := namePointers(opts); err != nil { - return err - } - - // remove unnecessary OAIGen ref (created when flattening external refs creates name conflicts) - hasIntroducedPointerOrInline, ers := stripOAIGen(opts) - if ers != nil { - return ers - } - - // iterate as pointer or OAIGen resolution may introduce inline schemas or pointers - for hasIntroducedPointerOrInline { - if !opts.Minimal { - opts.Spec.reload() // re-analyze - if err := nameInlinedSchemas(opts); err != nil { - return err - } - } - - if err := namePointers(opts); err != nil { - return err - } - - // restrip - if hasIntroducedPointerOrInline, ers = stripOAIGen(opts); ers != nil { - return ers - } - - opts.Spec.reload() // re-analyze - } - return nil -} - -// stripOAIGen strips the spec from unnecessary OAIGen constructs, initially created to dedupe flattened definitions. -// -// A dedupe is deemed unnecessary whenever: -// - the only conflict is with its (single) parent: OAIGen is merged into its parent (reinlining) -// - there is a conflict with multiple parents: merge OAIGen in first parent, the rewrite other parents to point to -// the first parent. -// -// This function returns a true bool whenever it re-inlined a complex schema, so the caller may chose to iterate -// pointer and name resolution again. -func stripOAIGen(opts *FlattenOpts) (bool, error) { - debugLog("stripOAIGen") - replacedWithComplex := false - - // figure out referers of OAIGen definitions - for _, r := range opts.flattenContext.newRefs { - if !r.isOAIGen || r.resolved { // bail on already resolved entries (avoid looping) - continue - } - for k, v := range opts.Spec.references.allRefs { - if r.path != v.String() { - continue - } - found := false - for _, p := range r.parents { - if p == k { - found = true - break - } - } - if !found { - r.parents = append(r.parents, k) - } - } - } - - for k := range opts.flattenContext.newRefs { - r := opts.flattenContext.newRefs[k] - //debugLog("newRefs[%s]: isOAIGen: %t, resolved: %t, name: %s, path:%s, #parents: %d, parents: %v, ref: %s", - // k, r.isOAIGen, r.resolved, r.newName, r.path, len(r.parents), r.parents, r.schema.Ref.String()) - if r.isOAIGen && len(r.parents) >= 1 { - pr := r.parents - sort.Strings(pr) - - // rewrite first parent schema in lexicographical order - debugLog("rewrite first parent in lex order %s with schema", pr[0]) - if err := updateRefWithSchema(opts.Swagger(), pr[0], r.schema); err != nil { - return false, err - } - if pa, ok := opts.flattenContext.newRefs[pr[0]]; ok && pa.isOAIGen { - // update parent in ref index entry - debugLog("update parent entry: %s", pr[0]) - pa.schema = r.schema - pa.resolved = false - replacedWithComplex = true - } - - // rewrite other parents to point to first parent - if len(pr) > 1 { - for _, p := range pr[1:] { - replacingRef := swspec.MustCreateRef(pr[0]) - - // set complex when replacing ref is an anonymous jsonpointer: further processing may be required - replacedWithComplex = replacedWithComplex || - slashpath.Dir(replacingRef.String()) != definitionsPath - debugLog("rewrite parent with ref: %s", replacingRef.String()) - - // NOTE: it is possible at this stage to introduce json pointers (to non-definitions places). - // Those are stripped later on. - if err := updateRef(opts.Swagger(), p, replacingRef); err != nil { - return false, err - } - - if pa, ok := opts.flattenContext.newRefs[p]; ok && pa.isOAIGen { - // update parent in ref index - debugLog("update parent entry: %s", p) - pa.schema = r.schema - pa.resolved = false - replacedWithComplex = true - } - } - } - - // remove OAIGen definition - debugLog("removing definition %s", slashpath.Base(r.path)) - delete(opts.Swagger().Definitions, slashpath.Base(r.path)) - - // propagate changes in ref index for keys which have this one as a parent - for kk, value := range opts.flattenContext.newRefs { - if kk == k || !value.isOAIGen || value.resolved { - continue - } - found := false - newParents := make([]string, 0, len(value.parents)) - for _, parent := range value.parents { - switch { - case parent == r.path: - found = true - parent = pr[0] - case strings.HasPrefix(parent, r.path+"/"): - found = true - parent = slashpath.Join(pr[0], strings.TrimPrefix(parent, r.path)) - } - newParents = append(newParents, parent) - } - if found { - value.parents = newParents - } - } - - // mark naming conflict as resolved - debugLog("marking naming conflict resolved for key: %s", r.key) - opts.flattenContext.newRefs[r.key].isOAIGen = false - opts.flattenContext.newRefs[r.key].resolved = true - - // determine if the previous substitution did inline a complex schema - if r.schema != nil && r.schema.Ref.String() == "" { // inline schema - asch, err := Schema(SchemaOpts{Schema: r.schema, Root: opts.Swagger(), BasePath: opts.BasePath}) - if err != nil { - return false, err - } - debugLog("re-inlined schema: parent: %s, %t", pr[0], isAnalyzedAsComplex(asch)) - replacedWithComplex = replacedWithComplex || - !(slashpath.Dir(pr[0]) == definitionsPath) && isAnalyzedAsComplex(asch) - } - } - } - - debugLog("replacedWithComplex: %t", replacedWithComplex) - opts.Spec.reload() // re-analyze - return replacedWithComplex, nil -} - -// croak logs notifications and warnings about valid, but possibly unwanted constructs resulting -// from flattening a spec -func croak(opts *FlattenOpts) { - reported := make(map[string]bool, len(opts.flattenContext.newRefs)) - for _, v := range opts.Spec.references.allRefs { - // warns about duplicate handling - for _, r := range opts.flattenContext.newRefs { - if r.isOAIGen && r.path == v.String() { - reported[r.newName] = true - } - } - } - for k := range reported { - log.Printf("warning: duplicate flattened definition name resolved as %s", k) - } - // warns about possible type mismatches - uniqueMsg := make(map[string]bool) - for _, msg := range opts.flattenContext.warnings { - if _, ok := uniqueMsg[msg]; ok { - continue - } - log.Printf("warning: %s", msg) - uniqueMsg[msg] = true - } -} - -// namePointers replaces all JSON pointers to anonymous documents by a $ref to a new named definitions. -// -// This is carried on depth-first. Pointers to $refs which are top level definitions are replaced by the $ref itself. -// Pointers to simple types are expanded, unless they express commonality (i.e. several such $ref are used). -func namePointers(opts *FlattenOpts) error { - debugLog("name pointers") - refsToReplace := make(map[string]SchemaRef, len(opts.Spec.references.schemas)) - for k, ref := range opts.Spec.references.allRefs { - if slashpath.Dir(ref.String()) == definitionsPath { - // this a ref to a top-level definition: ok - continue - } - replacingRef, sch, erd := deepestRef(opts, ref) - if erd != nil { - return fmt.Errorf("at %s, %v", k, erd) - } - debugLog("planning pointer to replace at %s: %s, resolved to: %s", k, ref.String(), replacingRef.String()) - refsToReplace[k] = SchemaRef{ - Name: k, // caller - Ref: replacingRef, // callee - Schema: sch, - TopLevel: slashpath.Dir(replacingRef.String()) == definitionsPath, - } - } - depthFirst := sortDepthFirst(refsToReplace) - namer := &inlineSchemaNamer{ - Spec: opts.Swagger(), - Operations: opRefsByRef(gatherOperations(opts.Spec, nil)), - flattenContext: opts.flattenContext, - opts: opts, - } - - for _, key := range depthFirst { - v := refsToReplace[key] - // update current replacement, which may have been updated by previous changes of deeper elements - replacingRef, sch, erd := deepestRef(opts, v.Ref) - if erd != nil { - return fmt.Errorf("at %s, %v", key, erd) - } - v.Ref = replacingRef - v.Schema = sch - v.TopLevel = slashpath.Dir(replacingRef.String()) == definitionsPath - debugLog("replacing pointer at %s: resolved to: %s", key, v.Ref.String()) - - if v.TopLevel { - debugLog("replace pointer %s by canonical definition: %s", key, v.Ref.String()) - // if the schema is a $ref to a top level definition, just rewrite the pointer to this $ref - if err := updateRef(opts.Swagger(), key, v.Ref); err != nil { - return err - } - } else { - // this is a JSON pointer to an anonymous document (internal or external): - // create a definition for this schema when: - // - it is a complex schema - // - or it is pointed by more than one $ref (i.e. expresses commonality) - // otherwise, expand the pointer (single reference to a simple type) - // - // The named definition for this follows the target's key, not the caller's - debugLog("namePointers at %s for %s", key, v.Ref.String()) - - // qualify the expanded schema - /* - if key == "#/paths/~1some~1where~1{id}/get/parameters/1/items" { - // DEBUG - //func getPointerFromKey(spec interface{}, key string) (string, interface{}, error) { - k, res, err := getPointerFromKey(namer.Spec, key) - debugLog("k = %s, res=%#v, err=%v", k, res, err) - } - */ - asch, ers := Schema(SchemaOpts{Schema: v.Schema, Root: opts.Swagger(), BasePath: opts.BasePath}) - if ers != nil { - return fmt.Errorf("schema analysis [%s]: %v", key, ers) - } - callers := make([]string, 0, 64) - - debugLog("looking for callers") - an := New(opts.Swagger()) - for k, w := range an.references.allRefs { - r, _, erd := deepestRef(opts, w) - if erd != nil { - return fmt.Errorf("at %s, %v", key, erd) - } - if r.String() == v.Ref.String() { - callers = append(callers, k) - } - } - debugLog("callers for %s: %d", v.Ref.String(), len(callers)) - if len(callers) == 0 { - // has already been updated and resolved - continue - } - - parts := keyParts(v.Ref.String()) - debugLog("number of callers for %s: %d", v.Ref.String(), len(callers)) - // identifying edge case when the namer did nothing because we point to a non-schema object - // no definition is created and we expand the $ref for all callers - if (!asch.IsSimpleSchema || len(callers) > 1) && !parts.IsSharedParam() && !parts.IsSharedResponse() { - debugLog("replace JSON pointer at [%s] by definition: %s", key, v.Ref.String()) - if err := namer.Name(v.Ref.String(), v.Schema, asch); err != nil { - return err - } - - // regular case: we named the $ref as a definition, and we move all callers to this new $ref - for _, caller := range callers { - if caller != key { - // move $ref for next to resolve - debugLog("identified caller of %s at [%s]", v.Ref.String(), caller) - c := refsToReplace[caller] - c.Ref = v.Ref - refsToReplace[caller] = c - } - } - } else { - debugLog("expand JSON pointer for key=%s", key) - if err := updateRefWithSchema(opts.Swagger(), key, v.Schema); err != nil { - return err - } - // NOTE: there is no other caller to update - } - } - } - opts.Spec.reload() // re-analyze - return nil -} - -// deepestRef finds the first definition ref, from a cascade of nested refs which are not definitions. -// - if no definition is found, returns the deepest ref. -// - pointers to external files are expanded -// -// NOTE: all external $ref's are assumed to be already expanded at this stage. -func deepestRef(opts *FlattenOpts, ref swspec.Ref) (swspec.Ref, *swspec.Schema, error) { - if !ref.HasFragmentOnly { - // we found an external $ref, which is odd - // does nothing on external $refs - return ref, nil, nil - } - currentRef := ref - visited := make(map[string]bool, 64) -DOWNREF: - for currentRef.String() != "" { - if slashpath.Dir(currentRef.String()) == definitionsPath { - // this is a top-level definition: stop here and return this ref - return currentRef, nil, nil - } - if _, beenThere := visited[currentRef.String()]; beenThere { - return swspec.Ref{}, nil, - fmt.Errorf("cannot resolve cyclic chain of pointers under %s", currentRef.String()) - } - visited[currentRef.String()] = true - value, _, err := currentRef.GetPointer().Get(opts.Swagger()) - if err != nil { - return swspec.Ref{}, nil, err - } - switch refable := value.(type) { - case *swspec.Schema: - if refable.Ref.String() == "" { - break DOWNREF - } - currentRef = refable.Ref - - case swspec.Schema: - if refable.Ref.String() == "" { - break DOWNREF - } - currentRef = refable.Ref - - case *swspec.SchemaOrArray: - if refable.Schema == nil || refable.Schema != nil && refable.Schema.Ref.String() == "" { - break DOWNREF - } - currentRef = refable.Schema.Ref - - case *swspec.SchemaOrBool: - if refable.Schema == nil || refable.Schema != nil && refable.Schema.Ref.String() == "" { - break DOWNREF - } - currentRef = refable.Schema.Ref - - case swspec.Response: - // a pointer points to a schema initially marshalled in responses section... - // Attempt to convert this to a schema. If this fails, the spec is invalid - asJSON, _ := refable.MarshalJSON() - var asSchema swspec.Schema - err := asSchema.UnmarshalJSON(asJSON) - if err != nil { - return swspec.Ref{}, nil, - fmt.Errorf("invalid type for resolved JSON pointer %s. Expected a schema a, got: %T", - currentRef.String(), value) - - } - opts.flattenContext.warnings = append(opts.flattenContext.warnings, - fmt.Sprintf("found $ref %q (response) interpreted as schema", currentRef.String())) - - if asSchema.Ref.String() == "" { - break DOWNREF - } - currentRef = asSchema.Ref - - case swspec.Parameter: - // a pointer points to a schema initially marshalled in parameters section... - // Attempt to convert this to a schema. If this fails, the spec is invalid - asJSON, _ := refable.MarshalJSON() - var asSchema swspec.Schema - err := asSchema.UnmarshalJSON(asJSON) - if err != nil { - return swspec.Ref{}, nil, - fmt.Errorf("invalid type for resolved JSON pointer %s. Expected a schema a, got: %T", - currentRef.String(), value) - - } - opts.flattenContext.warnings = append(opts.flattenContext.warnings, - fmt.Sprintf("found $ref %q (parameter) interpreted as schema", currentRef.String())) - - if asSchema.Ref.String() == "" { - break DOWNREF - } - currentRef = asSchema.Ref - - default: - return swspec.Ref{}, nil, - fmt.Errorf("unhandled type to resolve JSON pointer %s. Expected a Schema, got: %T", - currentRef.String(), value) - - } - } - // assess what schema we're ending with - sch, erv := swspec.ResolveRefWithBase(opts.Swagger(), ¤tRef, opts.ExpandOpts(false)) - if erv != nil { - return swspec.Ref{}, nil, erv - } - if sch == nil { - return swspec.Ref{}, nil, fmt.Errorf("no schema found at %s", currentRef.String()) - } - return currentRef, sch, nil -} - -// normalizeRef strips the current file from any $ref. This works around issue go-openapi/spec#76: -// leading absolute file in $ref is stripped -func normalizeRef(opts *FlattenOpts) error { - debugLog("normalizeRef") - opts.Spec.reload() // re-analyze - for k, w := range opts.Spec.references.allRefs { - if strings.HasPrefix(w.String(), opts.BasePath+definitionsPath) { // may be a mix of / and \, depending on OS - // strip base path from definition - debugLog("stripping absolute path for: %s", w.String()) - if err := updateRef(opts.Swagger(), k, - swspec.MustCreateRef(slashpath.Join(definitionsPath, slashpath.Base(w.String())))); err != nil { - return err - } - } - } - opts.Spec.reload() // re-analyze - return nil -} diff --git a/constraint/vendor/github.com/go-openapi/analysis/go.mod b/constraint/vendor/github.com/go-openapi/analysis/go.mod deleted file mode 100644 index 6c8e58577..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/go.mod +++ /dev/null @@ -1,13 +0,0 @@ -module github.com/go-openapi/analysis - -require ( - github.com/go-openapi/jsonpointer v0.19.3 - github.com/go-openapi/loads v0.19.0 - github.com/go-openapi/spec v0.19.3 - github.com/go-openapi/strfmt v0.19.3 - github.com/go-openapi/swag v0.19.5 - github.com/stretchr/testify v1.3.0 - go.mongodb.org/mongo-driver v1.1.1 // indirect -) - -go 1.13 diff --git a/constraint/vendor/github.com/go-openapi/analysis/go.sum b/constraint/vendor/github.com/go-openapi/analysis/go.sum deleted file mode 100644 index 8e8b5f9bc..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/go.sum +++ /dev/null @@ -1,97 +0,0 @@ -github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= -github.com/PuerkitoBio/urlesc 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v0.17.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0= -github.com/go-openapi/errors v0.19.2 h1:a2kIyV3w+OS3S97zxUndRVD46+FhGOUBDFY7nmu4CsY= -github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94= -github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= -github.com/go-openapi/jsonpointer v0.19.2 h1:A9+F4Dc/MCNB5jibxf6rRvOvR/iFgQdyNx9eIhnGqq0= -github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg= -github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w= -github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg= -github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I= -github.com/go-openapi/jsonreference v0.19.2 h1:o20suLFB4Ri0tuzpWtyHlh7E7HnkqTNLq6aR6WVNS1w= -github.com/go-openapi/jsonreference v0.19.2/go.mod 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h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg= -github.com/go-openapi/swag v0.19.2 h1:jvO6bCMBEilGwMfHhrd61zIID4oIFdwb76V17SM88dE= -github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tFY= -github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk= -github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= -github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY= -github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY= -github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= 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v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc= -github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE= -github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y= -github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k= -github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= -github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE= -github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= -github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= -github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4= -github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= -go.mongodb.org/mongo-driver v1.0.3 h1:GKoji1ld3tw2aC+GX1wbr/J2fX13yNacEYoJ8Nhr0yU= -go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM= -go.mongodb.org/mongo-driver v1.1.1 h1:Sq1fR+0c58RME5EoqKdjkiQAmPjmfHlZOoRI6fTUOcs= -go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM= -golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 h1:dfGZHvZk057jK2MCeWus/TowKpJ8y4AmooUzdBSR9GU= -golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM= -golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= -golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs= -golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= -golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= -gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= -gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/constraint/vendor/github.com/go-openapi/analysis/internal/pre_go18.go b/constraint/vendor/github.com/go-openapi/analysis/internal/pre_go18.go deleted file mode 100644 index 4cc644182..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/internal/pre_go18.go +++ /dev/null @@ -1,29 +0,0 @@ -// +build !go1.8 - -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package internal - -import "net/url" - -// PathUnescape provides url.PathUnescape(), with seamless -// go version support for pre-go1.8 -// -// TODO: this function is currently defined in go-openapi/swag, -// but unexported. We might chose to export it, or simple phase -// out pre-go1.8 support. -func PathUnescape(path string) (string, error) { - return url.QueryUnescape(path) -} diff --git a/constraint/vendor/github.com/go-openapi/analysis/mixin.go b/constraint/vendor/github.com/go-openapi/analysis/mixin.go deleted file mode 100644 index 625c46f8f..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/mixin.go +++ /dev/null @@ -1,425 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package analysis - -import ( - "fmt" - "reflect" - - "github.com/go-openapi/spec" -) - -// Mixin modifies the primary swagger spec by adding the paths and -// definitions from the mixin specs. Top level parameters and -// responses from the mixins are also carried over. Operation id -// collisions are avoided by appending "Mixin" but only if -// needed. -// -// The following parts of primary are subject to merge, filling empty details -// - Info -// - BasePath -// - Host -// - ExternalDocs -// -// Consider calling FixEmptyResponseDescriptions() on the modified primary -// if you read them from storage and they are valid to start with. -// -// Entries in "paths", "definitions", "parameters" and "responses" are -// added to the primary in the order of the given mixins. If the entry -// already exists in primary it is skipped with a warning message. -// -// The count of skipped entries (from collisions) is returned so any -// deviation from the number expected can flag a warning in your build -// scripts. Carefully review the collisions before accepting them; -// consider renaming things if possible. -// -// No key normalization takes place (paths, type defs, -// etc). Ensure they are canonical if your downstream tools do -// key normalization of any form. -// -// Merging schemes (http, https), and consumers/producers do not account for -// collisions. -func Mixin(primary *spec.Swagger, mixins ...*spec.Swagger) []string { - skipped := make([]string, 0, len(mixins)) - opIds := getOpIds(primary) - initPrimary(primary) - - for i, m := range mixins { - skipped = append(skipped, mergeSwaggerProps(primary, m)...) - - skipped = append(skipped, mergeConsumes(primary, m)...) - - skipped = append(skipped, mergeProduces(primary, m)...) - - skipped = append(skipped, mergeTags(primary, m)...) - - skipped = append(skipped, mergeSchemes(primary, m)...) - - skipped = append(skipped, mergeSecurityDefinitions(primary, m)...) - - skipped = append(skipped, mergeSecurityRequirements(primary, m)...) - - skipped = append(skipped, mergeDefinitions(primary, m)...) - - // merging paths requires a map of operationIDs to work with - skipped = append(skipped, mergePaths(primary, m, opIds, i)...) - - skipped = append(skipped, mergeParameters(primary, m)...) - - skipped = append(skipped, mergeResponses(primary, m)...) - } - return skipped -} - -// getOpIds extracts all the paths..operationIds from the given -// spec and returns them as the keys in a map with 'true' values. -func getOpIds(s *spec.Swagger) map[string]bool { - rv := make(map[string]bool) - if s.Paths == nil { - return rv - } - for _, v := range s.Paths.Paths { - piops := pathItemOps(v) - for _, op := range piops { - rv[op.ID] = true - } - } - return rv -} - -func pathItemOps(p spec.PathItem) []*spec.Operation { - var rv []*spec.Operation - rv = appendOp(rv, p.Get) - rv = appendOp(rv, p.Put) - rv = appendOp(rv, p.Post) - rv = appendOp(rv, p.Delete) - rv = appendOp(rv, p.Head) - rv = appendOp(rv, p.Patch) - return rv -} - -func appendOp(ops []*spec.Operation, op *spec.Operation) []*spec.Operation { - if op == nil { - return ops - } - return append(ops, op) -} - -func mergeSecurityDefinitions(primary *spec.Swagger, m *spec.Swagger) (skipped []string) { - for k, v := range m.SecurityDefinitions { - if _, exists := primary.SecurityDefinitions[k]; exists { - warn := fmt.Sprintf( - "SecurityDefinitions entry '%v' already exists in primary or higher priority mixin, skipping\n", k) - skipped = append(skipped, warn) - continue - } - primary.SecurityDefinitions[k] = v - } - return -} - -func mergeSecurityRequirements(primary *spec.Swagger, m *spec.Swagger) (skipped []string) { - for _, v := range m.Security { - found := false - for _, vv := range primary.Security { - if reflect.DeepEqual(v, vv) { - found = true - break - } - } - if found { - warn := fmt.Sprintf( - "Security requirement: '%v' already exists in primary or higher priority mixin, skipping\n", v) - skipped = append(skipped, warn) - continue - } - primary.Security = append(primary.Security, v) - } - return -} - -func mergeDefinitions(primary *spec.Swagger, m *spec.Swagger) (skipped []string) { - for k, v := range m.Definitions { - // assume name collisions represent IDENTICAL type. careful. - if _, exists := primary.Definitions[k]; exists { - warn := fmt.Sprintf( - "definitions entry '%v' already exists in primary or higher priority mixin, skipping\n", k) - skipped = append(skipped, warn) - continue - } - primary.Definitions[k] = v - } - return -} - -func mergePaths(primary *spec.Swagger, m *spec.Swagger, opIds map[string]bool, mixIndex int) (skipped []string) { - if m.Paths != nil { - for k, v := range m.Paths.Paths { - if _, exists := primary.Paths.Paths[k]; exists { - warn := fmt.Sprintf( - "paths entry '%v' already exists in primary or higher priority mixin, skipping\n", k) - skipped = append(skipped, warn) - continue - } - - // Swagger requires that operationIds be - // unique within a spec. If we find a - // collision we append "Mixin0" to the - // operatoinId we are adding, where 0 is mixin - // index. We assume that operationIds with - // all the proivded specs are already unique. - piops := pathItemOps(v) - for _, piop := range piops { - if opIds[piop.ID] { - piop.ID = fmt.Sprintf("%v%v%v", piop.ID, "Mixin", mixIndex) - } - opIds[piop.ID] = true - } - primary.Paths.Paths[k] = v - } - } - return -} - -func mergeParameters(primary *spec.Swagger, m *spec.Swagger) (skipped []string) { - for k, v := range m.Parameters { - // could try to rename on conflict but would - // have to fix $refs in the mixin. Complain - // for now - if _, exists := primary.Parameters[k]; exists { - warn := fmt.Sprintf( - "top level parameters entry '%v' already exists in primary or higher priority mixin, skipping\n", k) - skipped = append(skipped, warn) - continue - } - primary.Parameters[k] = v - } - return -} - -func mergeResponses(primary *spec.Swagger, m *spec.Swagger) (skipped []string) { - for k, v := range m.Responses { - // could try to rename on conflict but would - // have to fix $refs in the mixin. Complain - // for now - if _, exists := primary.Responses[k]; exists { - warn := fmt.Sprintf( - "top level responses entry '%v' already exists in primary or higher priority mixin, skipping\n", k) - skipped = append(skipped, warn) - continue - } - primary.Responses[k] = v - } - return skipped -} - -func mergeConsumes(primary *spec.Swagger, m *spec.Swagger) []string { - for _, v := range m.Consumes { - found := false - for _, vv := range primary.Consumes { - if v == vv { - found = true - break - } - } - if found { - // no warning here: we just skip it - continue - } - primary.Consumes = append(primary.Consumes, v) - } - return []string{} -} - -func mergeProduces(primary *spec.Swagger, m *spec.Swagger) []string { - for _, v := range m.Produces { - found := false - for _, vv := range primary.Produces { - if v == vv { - found = true - break - } - } - if found { - // no warning here: we just skip it - continue - } - primary.Produces = append(primary.Produces, v) - } - return []string{} -} - -func mergeTags(primary *spec.Swagger, m *spec.Swagger) (skipped []string) { - for _, v := range m.Tags { - found := false - for _, vv := range primary.Tags { - if v.Name == vv.Name { - found = true - break - } - } - if found { - warn := fmt.Sprintf( - "top level tags entry with name '%v' already exists in primary or higher priority mixin, skipping\n", v.Name) - skipped = append(skipped, warn) - continue - } - primary.Tags = append(primary.Tags, v) - } - return -} - -func mergeSchemes(primary *spec.Swagger, m *spec.Swagger) []string { - for _, v := range m.Schemes { - found := false - for _, vv := range primary.Schemes { - if v == vv { - found = true - break - } - } - if found { - // no warning here: we just skip it - continue - } - primary.Schemes = append(primary.Schemes, v) - } - return []string{} -} - -func mergeSwaggerProps(primary *spec.Swagger, m *spec.Swagger) []string { - var skipped []string - primary.Extensions, skipped = mergeExtensions(primary.Extensions, m.Extensions) - - // merging details in swagger top properties - if primary.Host == "" { - primary.Host = m.Host - } - if primary.BasePath == "" { - primary.BasePath = m.BasePath - } - if primary.Info == nil { - primary.Info = m.Info - } else if m.Info != nil { - var sk []string - primary.Info.Extensions, sk = mergeExtensions(primary.Info.Extensions, m.Info.Extensions) - skipped = append(skipped, sk...) - if primary.Info.Description == "" { - primary.Info.Description = m.Info.Description - } - if primary.Info.Title == "" { - primary.Info.Description = m.Info.Description - } - if primary.Info.TermsOfService == "" { - primary.Info.TermsOfService = m.Info.TermsOfService - } - if primary.Info.Version == "" { - primary.Info.Version = m.Info.Version - } - - if primary.Info.Contact == nil { - primary.Info.Contact = m.Info.Contact - } else if m.Info.Contact != nil { - if primary.Info.Contact.Name == "" { - primary.Info.Contact.Name = m.Info.Contact.Name - } - if primary.Info.Contact.URL == "" { - primary.Info.Contact.URL = m.Info.Contact.URL - } - if primary.Info.Contact.Email == "" { - primary.Info.Contact.Email = m.Info.Contact.Email - } - } - - if primary.Info.License == nil { - primary.Info.License = m.Info.License - } else if m.Info.License != nil { - if primary.Info.License.Name == "" { - primary.Info.License.Name = m.Info.License.Name - } - if primary.Info.License.URL == "" { - primary.Info.License.URL = m.Info.License.URL - } - } - - } - if primary.ExternalDocs == nil { - primary.ExternalDocs = m.ExternalDocs - } else if m.ExternalDocs != nil { - if primary.ExternalDocs.Description == "" { - primary.ExternalDocs.Description = m.ExternalDocs.Description - } - if primary.ExternalDocs.URL == "" { - primary.ExternalDocs.URL = m.ExternalDocs.URL - } - } - return skipped -} - -func mergeExtensions(primary spec.Extensions, m spec.Extensions) (result spec.Extensions, skipped []string) { - if primary == nil { - result = m - return - } - if m == nil { - result = primary - return - } - result = primary - for k, v := range m { - if _, found := primary[k]; found { - skipped = append(skipped, k) - continue - } - primary[k] = v - } - return -} - -func initPrimary(primary *spec.Swagger) { - if primary.SecurityDefinitions == nil { - primary.SecurityDefinitions = make(map[string]*spec.SecurityScheme) - } - if primary.Security == nil { - primary.Security = make([]map[string][]string, 0, 10) - } - if primary.Produces == nil { - primary.Produces = make([]string, 0, 10) - } - if primary.Consumes == nil { - primary.Consumes = make([]string, 0, 10) - } - if primary.Tags == nil { - primary.Tags = make([]spec.Tag, 0, 10) - } - if primary.Schemes == nil { - primary.Schemes = make([]string, 0, 10) - } - if primary.Paths == nil { - primary.Paths = &spec.Paths{Paths: make(map[string]spec.PathItem)} - } - if primary.Paths.Paths == nil { - primary.Paths.Paths = make(map[string]spec.PathItem) - } - if primary.Definitions == nil { - primary.Definitions = make(spec.Definitions) - } - if primary.Parameters == nil { - primary.Parameters = make(map[string]spec.Parameter) - } - if primary.Responses == nil { - primary.Responses = make(map[string]spec.Response) - } -} diff --git a/constraint/vendor/github.com/go-openapi/analysis/schema.go b/constraint/vendor/github.com/go-openapi/analysis/schema.go deleted file mode 100644 index 398c78063..000000000 --- a/constraint/vendor/github.com/go-openapi/analysis/schema.go +++ /dev/null @@ -1,234 +0,0 @@ -package analysis - -import ( - "fmt" - - "github.com/go-openapi/spec" - "github.com/go-openapi/strfmt" -) - -// SchemaOpts configures the schema analyzer -type SchemaOpts struct { - Schema *spec.Schema - Root interface{} - BasePath string - _ struct{} -} - -// Schema analysis, will classify the schema according to known -// patterns. -func Schema(opts SchemaOpts) (*AnalyzedSchema, error) { - if opts.Schema == nil { - return nil, fmt.Errorf("no schema to analyze") - } - - a := &AnalyzedSchema{ - schema: opts.Schema, - root: opts.Root, - basePath: opts.BasePath, - } - - a.initializeFlags() - a.inferKnownType() - a.inferEnum() - a.inferBaseType() - - if err := a.inferMap(); err != nil { - return nil, err - } - if err := a.inferArray(); err != nil { - return nil, err - } - - a.inferTuple() - - if err := a.inferFromRef(); err != nil { - return nil, err - } - - a.inferSimpleSchema() - return a, nil -} - -// AnalyzedSchema indicates what the schema represents -type AnalyzedSchema struct { - schema *spec.Schema - root interface{} - basePath string - - hasProps bool - hasAllOf bool - hasItems bool - hasAdditionalProps bool - hasAdditionalItems bool - hasRef bool - - IsKnownType bool - IsSimpleSchema bool - IsArray bool - IsSimpleArray bool - IsMap bool - IsSimpleMap bool - IsExtendedObject bool - IsTuple bool - IsTupleWithExtra bool - IsBaseType bool - IsEnum bool -} - -// Inherits copies value fields from other onto this schema -func (a *AnalyzedSchema) inherits(other *AnalyzedSchema) { - if other == nil { - return - } - a.hasProps = other.hasProps - a.hasAllOf = other.hasAllOf - a.hasItems = other.hasItems - a.hasAdditionalItems = other.hasAdditionalItems - a.hasAdditionalProps = other.hasAdditionalProps - a.hasRef = other.hasRef - - a.IsKnownType = other.IsKnownType - a.IsSimpleSchema = other.IsSimpleSchema - a.IsArray = other.IsArray - a.IsSimpleArray = other.IsSimpleArray - a.IsMap = other.IsMap - a.IsSimpleMap = other.IsSimpleMap - a.IsExtendedObject = other.IsExtendedObject - a.IsTuple = other.IsTuple - a.IsTupleWithExtra = other.IsTupleWithExtra - a.IsBaseType = other.IsBaseType - a.IsEnum = other.IsEnum -} - -func (a *AnalyzedSchema) inferFromRef() error { - if a.hasRef { - sch := new(spec.Schema) - sch.Ref = a.schema.Ref - err := spec.ExpandSchema(sch, a.root, nil) - if err != nil { - return err - } - rsch, err := Schema(SchemaOpts{ - Schema: sch, - Root: a.root, - BasePath: a.basePath, - }) - if err != nil { - // NOTE(fredbi): currently the only cause for errors is - // unresolved ref. Since spec.ExpandSchema() expands the - // schema recursively, there is no chance to get there, - // until we add more causes for error in this schema analysis. - return err - } - a.inherits(rsch) - } - return nil -} - -func (a *AnalyzedSchema) inferSimpleSchema() { - a.IsSimpleSchema = a.IsKnownType || a.IsSimpleArray || a.IsSimpleMap -} - -func (a *AnalyzedSchema) inferKnownType() { - tpe := a.schema.Type - format := a.schema.Format - a.IsKnownType = tpe.Contains("boolean") || - tpe.Contains("integer") || - tpe.Contains("number") || - tpe.Contains("string") || - (format != "" && strfmt.Default.ContainsName(format)) || - (a.isObjectType() && !a.hasProps && !a.hasAllOf && !a.hasAdditionalProps && !a.hasAdditionalItems) -} - -func (a *AnalyzedSchema) inferMap() error { - if a.isObjectType() { - hasExtra := a.hasProps || a.hasAllOf - a.IsMap = a.hasAdditionalProps && !hasExtra - a.IsExtendedObject = a.hasAdditionalProps && hasExtra - if a.IsMap { - if a.schema.AdditionalProperties.Schema != nil { - msch, err := Schema(SchemaOpts{ - Schema: a.schema.AdditionalProperties.Schema, - Root: a.root, - BasePath: a.basePath, - }) - if err != nil { - return err - } - a.IsSimpleMap = msch.IsSimpleSchema - } else if a.schema.AdditionalProperties.Allows { - a.IsSimpleMap = true - } - } - } - return nil -} - -func (a *AnalyzedSchema) inferArray() error { - // an array has Items defined as an object schema, otherwise we qualify this JSON array as a tuple - // (yes, even if the Items array contains only one element). - // arrays in JSON schema may be unrestricted (i.e no Items specified). - // Note that arrays in Swagger MUST have Items. Nonetheless, we analyze unrestricted arrays. - // - // NOTE: the spec package misses the distinction between: - // items: [] and items: {}, so we consider both arrays here. - a.IsArray = a.isArrayType() && (a.schema.Items == nil || a.schema.Items.Schemas == nil) - if a.IsArray && a.hasItems { - if a.schema.Items.Schema != nil { - itsch, err := Schema(SchemaOpts{ - Schema: a.schema.Items.Schema, - Root: a.root, - BasePath: a.basePath, - }) - if err != nil { - return err - } - a.IsSimpleArray = itsch.IsSimpleSchema - } - } - if a.IsArray && !a.hasItems { - a.IsSimpleArray = true - } - return nil -} - -func (a *AnalyzedSchema) inferTuple() { - tuple := a.hasItems && a.schema.Items.Schemas != nil - a.IsTuple = tuple && !a.hasAdditionalItems - a.IsTupleWithExtra = tuple && a.hasAdditionalItems -} - -func (a *AnalyzedSchema) inferBaseType() { - if a.isObjectType() { - a.IsBaseType = a.schema.Discriminator != "" - } -} - -func (a *AnalyzedSchema) inferEnum() { - a.IsEnum = len(a.schema.Enum) > 0 -} - -func (a *AnalyzedSchema) initializeFlags() { - a.hasProps = len(a.schema.Properties) > 0 - a.hasAllOf = len(a.schema.AllOf) > 0 - a.hasRef = a.schema.Ref.String() != "" - - a.hasItems = a.schema.Items != nil && - (a.schema.Items.Schema != nil || len(a.schema.Items.Schemas) > 0) - - a.hasAdditionalProps = a.schema.AdditionalProperties != nil && - (a.schema.AdditionalProperties != nil || a.schema.AdditionalProperties.Allows) - - a.hasAdditionalItems = a.schema.AdditionalItems != nil && - (a.schema.AdditionalItems.Schema != nil || a.schema.AdditionalItems.Allows) - -} - -func (a *AnalyzedSchema) isObjectType() bool { - return !a.hasRef && (a.schema.Type == nil || a.schema.Type.Contains("") || a.schema.Type.Contains("object")) -} - -func (a *AnalyzedSchema) isArrayType() bool { - return !a.hasRef && (a.schema.Type != nil && a.schema.Type.Contains("array")) -} diff --git a/constraint/vendor/github.com/go-openapi/errors/.golangci.yml b/constraint/vendor/github.com/go-openapi/errors/.golangci.yml deleted file mode 100644 index 6badaf154..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/.golangci.yml +++ /dev/null @@ -1,20 +0,0 @@ -linters-settings: - govet: - check-shadowing: true - golint: - min-confidence: 0 - gocyclo: - min-complexity: 30 - maligned: - suggest-new: true - dupl: - threshold: 100 - goconst: - min-len: 2 - min-occurrences: 4 -linters: - enable-all: true - disable: - - maligned - - lll - - gochecknoglobals diff --git a/constraint/vendor/github.com/go-openapi/errors/.travis.yml b/constraint/vendor/github.com/go-openapi/errors/.travis.yml deleted file mode 100644 index ba8a6d591..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/.travis.yml +++ /dev/null @@ -1,15 +0,0 @@ -after_success: -- bash <(curl -s https://codecov.io/bash) -go: -- 1.11.x -- 1.12.x -install: -- GO111MODULE=off go get -u gotest.tools/gotestsum -env: -- GO111MODULE=on -language: go -notifications: - slack: - secure: 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 -script: -- gotestsum -f short-verbose -- -race -coverprofile=coverage.txt -covermode=atomic ./... diff --git a/constraint/vendor/github.com/go-openapi/errors/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/go-openapi/errors/CODE_OF_CONDUCT.md deleted file mode 100644 index 9322b065e..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/CODE_OF_CONDUCT.md +++ /dev/null @@ -1,74 +0,0 @@ -# Contributor Covenant Code of Conduct - -## Our Pledge - -In the interest of fostering an open and welcoming environment, we as -contributors and maintainers pledge to making participation in our project and -our community a harassment-free experience for everyone, regardless of age, body -size, disability, ethnicity, gender identity and expression, level of experience, -nationality, personal appearance, race, religion, or sexual identity and -orientation. - -## Our Standards - -Examples of behavior that contributes to creating a positive environment -include: - -* Using welcoming and inclusive language -* Being respectful of differing viewpoints and experiences -* Gracefully accepting constructive criticism -* Focusing on what is best for the community -* Showing empathy towards other community members - -Examples of unacceptable behavior by participants include: - -* The use of sexualized language or imagery and unwelcome sexual attention or -advances -* Trolling, insulting/derogatory comments, and personal or political attacks -* Public or private harassment -* Publishing others' private information, such as a physical or electronic - address, without explicit permission -* Other conduct which could reasonably be considered inappropriate in a - professional setting - -## Our Responsibilities - -Project maintainers are responsible for clarifying the standards of acceptable -behavior and are expected to take appropriate and fair corrective action in -response to any instances of unacceptable behavior. - -Project maintainers have the right and responsibility to remove, edit, or -reject comments, commits, code, wiki edits, issues, and other contributions -that are not aligned to this Code of Conduct, or to ban temporarily or -permanently any contributor for other behaviors that they deem inappropriate, -threatening, offensive, or harmful. - -## Scope - -This Code of Conduct applies both within project spaces and in public spaces -when an individual is representing the project or its community. Examples of -representing a project or community include using an official project e-mail -address, posting via an official social media account, or acting as an appointed -representative at an online or offline event. Representation of a project may be -further defined and clarified by project maintainers. - -## Enforcement - -Instances of abusive, harassing, or otherwise unacceptable behavior may be -reported by contacting the project team at ivan+abuse@flanders.co.nz. All -complaints will be reviewed and investigated and will result in a response that -is deemed necessary and appropriate to the circumstances. The project team is -obligated to maintain confidentiality with regard to the reporter of an incident. -Further details of specific enforcement policies may be posted separately. - -Project maintainers who do not follow or enforce the Code of Conduct in good -faith may face temporary or permanent repercussions as determined by other -members of the project's leadership. - -## Attribution - -This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, -available at [http://contributor-covenant.org/version/1/4][version] - -[homepage]: http://contributor-covenant.org -[version]: http://contributor-covenant.org/version/1/4/ diff --git a/constraint/vendor/github.com/go-openapi/errors/README.md b/constraint/vendor/github.com/go-openapi/errors/README.md deleted file mode 100644 index 0ce50b23b..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/README.md +++ /dev/null @@ -1,8 +0,0 @@ -# OpenAPI errors [![Build Status](https://travis-ci.org/go-openapi/errors.svg?branch=master)](https://travis-ci.org/go-openapi/errors) [![codecov](https://codecov.io/gh/go-openapi/errors/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/errors) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) - -[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/errors/master/LICENSE) -[![GoDoc](https://godoc.org/github.com/go-openapi/errors?status.svg)](http://godoc.org/github.com/go-openapi/errors) -[![GolangCI](https://golangci.com/badges/github.com/go-openapi/errors.svg)](https://golangci.com) -[![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/errors)](https://goreportcard.com/report/github.com/go-openapi/errors) - -Shared errors and error interface used throughout the various libraries found in the go-openapi toolkit. diff --git a/constraint/vendor/github.com/go-openapi/errors/api.go b/constraint/vendor/github.com/go-openapi/errors/api.go deleted file mode 100644 index 7667cee76..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/api.go +++ /dev/null @@ -1,164 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package errors - -import ( - "encoding/json" - "fmt" - "net/http" - "reflect" - "strings" -) - -// DefaultHTTPCode is used when the error Code cannot be used as an HTTP code. -var DefaultHTTPCode = http.StatusUnprocessableEntity - -// Error represents a error interface all swagger framework errors implement -type Error interface { - error - Code() int32 -} - -type apiError struct { - code int32 - message string -} - -func (a *apiError) Error() string { - return a.message -} - -func (a *apiError) Code() int32 { - return a.code -} - -// New creates a new API error with a code and a message -func New(code int32, message string, args ...interface{}) Error { - if len(args) > 0 { - return &apiError{code, fmt.Sprintf(message, args...)} - } - return &apiError{code, message} -} - -// NotFound creates a new not found error -func NotFound(message string, args ...interface{}) Error { - if message == "" { - message = "Not found" - } - return New(http.StatusNotFound, fmt.Sprintf(message, args...)) -} - -// NotImplemented creates a new not implemented error -func NotImplemented(message string) Error { - return New(http.StatusNotImplemented, message) -} - -// MethodNotAllowedError represents an error for when the path matches but the method doesn't -type MethodNotAllowedError struct { - code int32 - Allowed []string - message string -} - -func (m *MethodNotAllowedError) Error() string { - return m.message -} - -// Code the error code -func (m *MethodNotAllowedError) Code() int32 { - return m.code -} - -func errorAsJSON(err Error) []byte { - b, _ := json.Marshal(struct { - Code int32 `json:"code"` - Message string `json:"message"` - }{err.Code(), err.Error()}) - return b -} - -func flattenComposite(errs *CompositeError) *CompositeError { - var res []error - for _, er := range errs.Errors { - switch e := er.(type) { - case *CompositeError: - if len(e.Errors) > 0 { - flat := flattenComposite(e) - if len(flat.Errors) > 0 { - res = append(res, flat.Errors...) - } - } - default: - if e != nil { - res = append(res, e) - } - } - } - return CompositeValidationError(res...) -} - -// MethodNotAllowed creates a new method not allowed error -func MethodNotAllowed(requested string, allow []string) Error { - msg := fmt.Sprintf("method %s is not allowed, but [%s] are", requested, strings.Join(allow, ",")) - return &MethodNotAllowedError{code: http.StatusMethodNotAllowed, Allowed: allow, message: msg} -} - -// ServeError the error handler interface implementation -func ServeError(rw http.ResponseWriter, r *http.Request, err error) { - rw.Header().Set("Content-Type", "application/json") - switch e := err.(type) { - case *CompositeError: - er := flattenComposite(e) - // strips composite errors to first element only - if len(er.Errors) > 0 { - ServeError(rw, r, er.Errors[0]) - } else { - // guard against empty CompositeError (invalid construct) - ServeError(rw, r, nil) - } - case *MethodNotAllowedError: - rw.Header().Add("Allow", strings.Join(err.(*MethodNotAllowedError).Allowed, ",")) - rw.WriteHeader(asHTTPCode(int(e.Code()))) - if r == nil || r.Method != http.MethodHead { - _, _ = rw.Write(errorAsJSON(e)) - } - case Error: - value := reflect.ValueOf(e) - if value.Kind() == reflect.Ptr && value.IsNil() { - rw.WriteHeader(http.StatusInternalServerError) - _, _ = rw.Write(errorAsJSON(New(http.StatusInternalServerError, "Unknown error"))) - return - } - rw.WriteHeader(asHTTPCode(int(e.Code()))) - if r == nil || r.Method != http.MethodHead { - _, _ = rw.Write(errorAsJSON(e)) - } - case nil: - rw.WriteHeader(http.StatusInternalServerError) - _, _ = rw.Write(errorAsJSON(New(http.StatusInternalServerError, "Unknown error"))) - default: - rw.WriteHeader(http.StatusInternalServerError) - if r == nil || r.Method != http.MethodHead { - _, _ = rw.Write(errorAsJSON(New(http.StatusInternalServerError, err.Error()))) - } - } -} - -func asHTTPCode(input int) int { - if input >= 600 { - return DefaultHTTPCode - } - return input -} diff --git a/constraint/vendor/github.com/go-openapi/errors/go.mod b/constraint/vendor/github.com/go-openapi/errors/go.mod deleted file mode 100644 index 084143001..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/go.mod +++ /dev/null @@ -1,6 +0,0 @@ -module github.com/go-openapi/errors - -require ( - github.com/stretchr/objx v0.2.0 // indirect - github.com/stretchr/testify v1.3.0 -) diff --git a/constraint/vendor/github.com/go-openapi/errors/go.sum b/constraint/vendor/github.com/go-openapi/errors/go.sum deleted file mode 100644 index e7314e279..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/go.sum +++ /dev/null @@ -1,9 +0,0 @@ -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE= -github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w= -github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= diff --git a/constraint/vendor/github.com/go-openapi/errors/headers.go b/constraint/vendor/github.com/go-openapi/errors/headers.go deleted file mode 100644 index 0360c094e..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/headers.go +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package errors - -import ( - "fmt" - "net/http" -) - -// Validation represents a failure of a precondition -type Validation struct { - code int32 - Name string - In string - Value interface{} - message string - Values []interface{} -} - -func (e *Validation) Error() string { - return e.message -} - -// Code the error code -func (e *Validation) Code() int32 { - return e.code -} - -// ValidateName produces an error message name for an aliased property -func (e *Validation) ValidateName(name string) *Validation { - if e.Name == "" && name != "" { - e.Name = name - e.message = name + e.message - } - return e -} - -const ( - contentTypeFail = `unsupported media type %q, only %v are allowed` - responseFormatFail = `unsupported media type requested, only %v are available` -) - -// InvalidContentType error for an invalid content type -func InvalidContentType(value string, allowed []string) *Validation { - values := make([]interface{}, 0, len(allowed)) - for _, v := range allowed { - values = append(values, v) - } - return &Validation{ - code: http.StatusUnsupportedMediaType, - Name: "Content-Type", - In: "header", - Value: value, - Values: values, - message: fmt.Sprintf(contentTypeFail, value, allowed), - } -} - -// InvalidResponseFormat error for an unacceptable response format request -func InvalidResponseFormat(value string, allowed []string) *Validation { - values := make([]interface{}, 0, len(allowed)) - for _, v := range allowed { - values = append(values, v) - } - return &Validation{ - code: http.StatusNotAcceptable, - Name: "Accept", - In: "header", - Value: value, - Values: values, - message: fmt.Sprintf(responseFormatFail, allowed), - } -} diff --git a/constraint/vendor/github.com/go-openapi/errors/middleware.go b/constraint/vendor/github.com/go-openapi/errors/middleware.go deleted file mode 100644 index 6390d4636..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/middleware.go +++ /dev/null @@ -1,51 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package errors - -import ( - "bytes" - "fmt" - "strings" -) - -// APIVerificationFailed is an error that contains all the missing info for a mismatched section -// between the api registrations and the api spec -type APIVerificationFailed struct { - Section string - MissingSpecification []string - MissingRegistration []string -} - -// -func (v *APIVerificationFailed) Error() string { - buf := bytes.NewBuffer(nil) - - hasRegMissing := len(v.MissingRegistration) > 0 - hasSpecMissing := len(v.MissingSpecification) > 0 - - if hasRegMissing { - buf.WriteString(fmt.Sprintf("missing [%s] %s registrations", strings.Join(v.MissingRegistration, ", "), v.Section)) - } - - if hasRegMissing && hasSpecMissing { - buf.WriteString("\n") - } - - if hasSpecMissing { - buf.WriteString(fmt.Sprintf("missing from spec file [%s] %s", strings.Join(v.MissingSpecification, ", "), v.Section)) - } - - return buf.String() -} diff --git a/constraint/vendor/github.com/go-openapi/errors/parsing.go b/constraint/vendor/github.com/go-openapi/errors/parsing.go deleted file mode 100644 index 1bae87302..000000000 --- a/constraint/vendor/github.com/go-openapi/errors/parsing.go +++ /dev/null @@ -1,59 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package errors - -import "fmt" - -// ParseError respresents a parsing error -type ParseError struct { - code int32 - Name string - In string - Value string - Reason error - message string -} - -func (e *ParseError) Error() string { - return e.message -} - -// Code returns the http status code for this error -func (e *ParseError) Code() int32 { - return e.code -} - -const ( - parseErrorTemplContent = `parsing %s %s from %q failed, because %s` - parseErrorTemplContentNoIn = `parsing %s from %q failed, because %s` -) - -// NewParseError creates a new parse error -func NewParseError(name, in, value string, reason error) *ParseError { - var msg string - if in == "" { - msg = fmt.Sprintf(parseErrorTemplContentNoIn, name, value, reason) - } else { - msg = fmt.Sprintf(parseErrorTemplContent, name, in, value, reason) - } - return &ParseError{ - code: 400, - Name: name, - In: in, - Value: value, - Reason: reason, - message: msg, - } -} diff --git a/constraint/vendor/github.com/go-openapi/loads/.editorconfig b/constraint/vendor/github.com/go-openapi/loads/.editorconfig deleted file mode 100644 index 3152da69a..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/.editorconfig +++ /dev/null @@ -1,26 +0,0 @@ -# top-most EditorConfig file -root = true - -# Unix-style newlines with a newline ending every file -[*] -end_of_line = lf -insert_final_newline = true -indent_style = space -indent_size = 2 -trim_trailing_whitespace = true - -# Set default charset -[*.{js,py,go,scala,rb,java,html,css,less,sass,md}] -charset = utf-8 - -# Tab indentation (no size specified) -[*.go] -indent_style = tab - -[*.md] -trim_trailing_whitespace = false - -# Matches the exact files either package.json or .travis.yml -[{package.json,.travis.yml}] -indent_style = space -indent_size = 2 diff --git a/constraint/vendor/github.com/go-openapi/loads/.gitignore b/constraint/vendor/github.com/go-openapi/loads/.gitignore deleted file mode 100644 index e4f15f17b..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -secrets.yml -coverage.out -profile.cov -profile.out diff --git a/constraint/vendor/github.com/go-openapi/loads/.golangci.yml b/constraint/vendor/github.com/go-openapi/loads/.golangci.yml deleted file mode 100644 index 1932914e6..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/.golangci.yml +++ /dev/null @@ -1,22 +0,0 @@ -linters-settings: - govet: - check-shadowing: true - golint: - min-confidence: 0 - gocyclo: - min-complexity: 30 - maligned: - suggest-new: true - dupl: - threshold: 100 - goconst: - min-len: 2 - min-occurrences: 4 - -linters: - enable-all: true - disable: - - maligned - - lll - - gochecknoglobals - - gochecknoinits diff --git a/constraint/vendor/github.com/go-openapi/loads/.travis.yml b/constraint/vendor/github.com/go-openapi/loads/.travis.yml deleted file mode 100644 index 8a7e05d91..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/.travis.yml +++ /dev/null @@ -1,15 +0,0 @@ -after_success: -- bash <(curl -s https://codecov.io/bash) -go: -- 1.11.x -- 1.12.x -install: -- GO111MODULE=off go get -u gotest.tools/gotestsum -env: -- GO111MODULE=on -language: go -notifications: - slack: - secure: 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 -script: -- gotestsum -f short-verbose -- -race -timeout=20m -coverprofile=coverage.txt -covermode=atomic ./... diff --git a/constraint/vendor/github.com/go-openapi/loads/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/go-openapi/loads/CODE_OF_CONDUCT.md deleted file mode 100644 index 9322b065e..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/CODE_OF_CONDUCT.md +++ /dev/null @@ -1,74 +0,0 @@ -# Contributor Covenant Code of Conduct - -## Our Pledge - -In the interest of fostering an open and welcoming environment, we as -contributors and maintainers pledge to making participation in our project and -our community a harassment-free experience for everyone, regardless of age, body -size, disability, ethnicity, gender identity and expression, level of experience, -nationality, personal appearance, race, religion, or sexual identity and -orientation. - -## Our Standards - -Examples of behavior that contributes to creating a positive environment -include: - -* Using welcoming and inclusive language -* Being respectful of differing viewpoints and experiences -* Gracefully accepting constructive criticism -* Focusing on what is best for the community -* Showing empathy towards other community members - -Examples of unacceptable behavior by participants include: - -* The use of sexualized language or imagery and unwelcome sexual attention or -advances -* Trolling, insulting/derogatory comments, and personal or political attacks -* Public or private harassment -* Publishing others' private information, such as a physical or electronic - address, without explicit permission -* Other conduct which could reasonably be considered inappropriate in a - professional setting - -## Our Responsibilities - -Project maintainers are responsible for clarifying the standards of acceptable -behavior and are expected to take appropriate and fair corrective action in -response to any instances of unacceptable behavior. - -Project maintainers have the right and responsibility to remove, edit, or -reject comments, commits, code, wiki edits, issues, and other contributions -that are not aligned to this Code of Conduct, or to ban temporarily or -permanently any contributor for other behaviors that they deem inappropriate, -threatening, offensive, or harmful. - -## Scope - -This Code of Conduct applies both within project spaces and in public spaces -when an individual is representing the project or its community. Examples of -representing a project or community include using an official project e-mail -address, posting via an official social media account, or acting as an appointed -representative at an online or offline event. Representation of a project may be -further defined and clarified by project maintainers. - -## Enforcement - -Instances of abusive, harassing, or otherwise unacceptable behavior may be -reported by contacting the project team at ivan+abuse@flanders.co.nz. All -complaints will be reviewed and investigated and will result in a response that -is deemed necessary and appropriate to the circumstances. The project team is -obligated to maintain confidentiality with regard to the reporter of an incident. -Further details of specific enforcement policies may be posted separately. - -Project maintainers who do not follow or enforce the Code of Conduct in good -faith may face temporary or permanent repercussions as determined by other -members of the project's leadership. - -## Attribution - -This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, -available at [http://contributor-covenant.org/version/1/4][version] - -[homepage]: http://contributor-covenant.org -[version]: http://contributor-covenant.org/version/1/4/ diff --git a/constraint/vendor/github.com/go-openapi/loads/README.md b/constraint/vendor/github.com/go-openapi/loads/README.md deleted file mode 100644 index 071cf69ab..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/README.md +++ /dev/null @@ -1,7 +0,0 @@ -# Loads OAI specs [![Build Status](https://travis-ci.org/go-openapi/loads.svg?branch=master)](https://travis-ci.org/go-openapi/loads) [![codecov](https://codecov.io/gh/go-openapi/loads/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/loads) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) - -[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/loads/master/LICENSE) [![GoDoc](https://godoc.org/github.com/go-openapi/loads?status.svg)](http://godoc.org/github.com/go-openapi/loads) -[![GolangCI](https://golangci.com/badges/github.com/go-openapi/loads.svg)](https://golangci.com) -[![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/loads)](https://goreportcard.com/report/github.com/go-openapi/loads) - -Loading of OAI specification documents from local or remote locations. Supports JSON and YAML documents. diff --git a/constraint/vendor/github.com/go-openapi/loads/go.mod b/constraint/vendor/github.com/go-openapi/loads/go.mod deleted file mode 100644 index 8cf62326f..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/go.mod +++ /dev/null @@ -1,11 +0,0 @@ -module github.com/go-openapi/loads - -require ( - github.com/go-openapi/analysis v0.19.5 - github.com/go-openapi/spec v0.19.3 - github.com/go-openapi/swag v0.19.5 - github.com/stretchr/testify v1.3.0 - gopkg.in/yaml.v2 v2.2.4 -) - -go 1.13 diff --git a/constraint/vendor/github.com/go-openapi/loads/go.sum b/constraint/vendor/github.com/go-openapi/loads/go.sum deleted file mode 100644 index 6eebff99d..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/go.sum +++ /dev/null @@ -1,98 +0,0 @@ -github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q= -github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70tL6pCuVxPJOHXQ+wIac1FUrvNkHolPie/cLEU6hI= -github.com/go-openapi/analysis v0.19.5 h1:8b2ZgKfKIUTVQpTb77MoRDIMEIwvDVw40o3aOXdfYzI= -github.com/go-openapi/analysis v0.19.5/go.mod h1:hkEAkxagaIvIP7VTn8ygJNkd4kAYON2rCu0v0ObL0AU= -github.com/go-openapi/errors v0.17.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0= -github.com/go-openapi/errors v0.19.2 h1:a2kIyV3w+OS3S97zxUndRVD46+FhGOUBDFY7nmu4CsY= -github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94= -github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= -github.com/go-openapi/jsonpointer v0.19.2 h1:A9+F4Dc/MCNB5jibxf6rRvOvR/iFgQdyNx9eIhnGqq0= -github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg= -github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w= -github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg= -github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I= -github.com/go-openapi/jsonreference v0.19.2 h1:o20suLFB4Ri0tuzpWtyHlh7E7HnkqTNLq6aR6WVNS1w= -github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc= -github.com/go-openapi/loads v0.19.0/go.mod h1:72tmFy5wsWx89uEVddd0RjRWPZm92WRLhf7AC+0+OOU= -github.com/go-openapi/spec v0.17.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI= -github.com/go-openapi/spec v0.19.3 h1:0XRyw8kguri6Yw4SxhsQA/atC88yqrk0+G4YhI2wabc= -github.com/go-openapi/spec v0.19.3/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo= -github.com/go-openapi/strfmt v0.17.0/go.mod h1:P82hnJI0CXkErkXi8IKjPbNBM6lV6+5pLP5l494TcyU= -github.com/go-openapi/strfmt v0.19.3 h1:eRfyY5SkaNJCAwmmMcADjY31ow9+N7MCLW7oRkbsINA= -github.com/go-openapi/strfmt v0.19.3/go.mod h1:0yX7dbo8mKIvc3XSKp7MNfxw4JytCfCD6+bY1AVL9LU= -github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg= -github.com/go-openapi/swag v0.19.2 h1:jvO6bCMBEilGwMfHhrd61zIID4oIFdwb76V17SM88dE= -github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tFY= -github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk= -github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= -github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY= -github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/google/uuid v1.1.1 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h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= -github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4= -github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= -go.mongodb.org/mongo-driver v1.0.3 h1:GKoji1ld3tw2aC+GX1wbr/J2fX13yNacEYoJ8Nhr0yU= -go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM= -go.mongodb.org/mongo-driver v1.1.1 h1:Sq1fR+0c58RME5EoqKdjkiQAmPjmfHlZOoRI6fTUOcs= -go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM= -golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 h1:dfGZHvZk057jK2MCeWus/TowKpJ8y4AmooUzdBSR9GU= -golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM= -golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= -golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs= -golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= -golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= -gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= -gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= -gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/constraint/vendor/github.com/go-openapi/loads/spec.go b/constraint/vendor/github.com/go-openapi/loads/spec.go deleted file mode 100644 index e4b4a3cf7..000000000 --- a/constraint/vendor/github.com/go-openapi/loads/spec.go +++ /dev/null @@ -1,298 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package loads - -import ( - "bytes" - "encoding/gob" - "encoding/json" - "fmt" - "net/url" - - "github.com/go-openapi/analysis" - "github.com/go-openapi/spec" - "github.com/go-openapi/swag" -) - -// JSONDoc loads a json document from either a file or a remote url -func JSONDoc(path string) (json.RawMessage, error) { - data, err := swag.LoadFromFileOrHTTP(path) - if err != nil { - return nil, err - } - return json.RawMessage(data), nil -} - -// DocLoader represents a doc loader type -type DocLoader func(string) (json.RawMessage, error) - -// DocMatcher represents a predicate to check if a loader matches -type DocMatcher func(string) bool - -var ( - loaders *loader - defaultLoader *loader -) - -func init() { - defaultLoader = &loader{Match: func(_ string) bool { return true }, Fn: JSONDoc} - loaders = defaultLoader - spec.PathLoader = loaders.Fn - AddLoader(swag.YAMLMatcher, swag.YAMLDoc) - - gob.Register(map[string]interface{}{}) - gob.Register([]interface{}{}) - //gob.Register(spec.Refable{}) -} - -// AddLoader for a document -func AddLoader(predicate DocMatcher, load DocLoader) { - prev := loaders - loaders = &loader{ - Match: predicate, - Fn: load, - Next: prev, - } - spec.PathLoader = loaders.Fn -} - -type loader struct { - Fn DocLoader - Match DocMatcher - Next *loader -} - -// JSONSpec loads a spec from a json document -func JSONSpec(path string) (*Document, error) { - data, err := JSONDoc(path) - if err != nil { - return nil, err - } - // convert to json - return Analyzed(data, "") -} - -// Document represents a swagger spec document -type Document struct { - // specAnalyzer - Analyzer *analysis.Spec - spec *spec.Swagger - specFilePath string - origSpec *spec.Swagger - schema *spec.Schema - raw json.RawMessage -} - -// Embedded returns a Document based on embedded specs. No analysis is required -func Embedded(orig, flat json.RawMessage) (*Document, error) { - var origSpec, flatSpec spec.Swagger - if err := json.Unmarshal(orig, &origSpec); err != nil { - return nil, err - } - if err := json.Unmarshal(flat, &flatSpec); err != nil { - return nil, err - } - return &Document{ - raw: orig, - origSpec: &origSpec, - spec: &flatSpec, - }, nil -} - -// Spec loads a new spec document -func Spec(path string) (*Document, error) { - specURL, err := url.Parse(path) - if err != nil { - return nil, err - } - var lastErr error - for l := loaders.Next; l != nil; l = l.Next { - if loaders.Match(specURL.Path) { - b, err2 := loaders.Fn(path) - if err2 != nil { - lastErr = err2 - continue - } - doc, err3 := Analyzed(b, "") - if err3 != nil { - return nil, err3 - } - if doc != nil { - doc.specFilePath = path - } - return doc, nil - } - } - if lastErr != nil { - return nil, lastErr - } - b, err := defaultLoader.Fn(path) - if err != nil { - return nil, err - } - - document, err := Analyzed(b, "") - if document != nil { - document.specFilePath = path - } - - return document, err -} - -// Analyzed creates a new analyzed spec document -func Analyzed(data json.RawMessage, version string) (*Document, error) { - if version == "" { - version = "2.0" - } - if version != "2.0" { - return nil, fmt.Errorf("spec version %q is not supported", version) - } - - raw := data - trimmed := bytes.TrimSpace(data) - if len(trimmed) > 0 { - if trimmed[0] != '{' && trimmed[0] != '[' { - yml, err := swag.BytesToYAMLDoc(trimmed) - if err != nil { - return nil, fmt.Errorf("analyzed: %v", err) - } - d, err := swag.YAMLToJSON(yml) - if err != nil { - return nil, fmt.Errorf("analyzed: %v", err) - } - raw = d - } - } - - swspec := new(spec.Swagger) - if err := json.Unmarshal(raw, swspec); err != nil { - return nil, err - } - - origsqspec, err := cloneSpec(swspec) - if err != nil { - return nil, err - } - - d := &Document{ - Analyzer: analysis.New(swspec), - schema: spec.MustLoadSwagger20Schema(), - spec: swspec, - raw: raw, - origSpec: origsqspec, - } - return d, nil -} - -// Expanded expands the ref fields in the spec document and returns a new spec document -func (d *Document) Expanded(options ...*spec.ExpandOptions) (*Document, error) { - swspec := new(spec.Swagger) - if err := json.Unmarshal(d.raw, swspec); err != nil { - return nil, err - } - - var expandOptions *spec.ExpandOptions - if len(options) > 0 { - expandOptions = options[0] - } else { - expandOptions = &spec.ExpandOptions{ - RelativeBase: d.specFilePath, - } - } - - if err := spec.ExpandSpec(swspec, expandOptions); err != nil { - return nil, err - } - - dd := &Document{ - Analyzer: analysis.New(swspec), - spec: swspec, - specFilePath: d.specFilePath, - schema: spec.MustLoadSwagger20Schema(), - raw: d.raw, - origSpec: d.origSpec, - } - return dd, nil -} - -// BasePath the base path for this spec -func (d *Document) BasePath() string { - return d.spec.BasePath -} - -// Version returns the version of this spec -func (d *Document) Version() string { - return d.spec.Swagger -} - -// Schema returns the swagger 2.0 schema -func (d *Document) Schema() *spec.Schema { - return d.schema -} - -// Spec returns the swagger spec object model -func (d *Document) Spec() *spec.Swagger { - return d.spec -} - -// Host returns the host for the API -func (d *Document) Host() string { - return d.spec.Host -} - -// Raw returns the raw swagger spec as json bytes -func (d *Document) Raw() json.RawMessage { - return d.raw -} - -// OrigSpec yields the original spec -func (d *Document) OrigSpec() *spec.Swagger { - return d.origSpec -} - -// ResetDefinitions gives a shallow copy with the models reset -func (d *Document) ResetDefinitions() *Document { - defs := make(map[string]spec.Schema, len(d.origSpec.Definitions)) - for k, v := range d.origSpec.Definitions { - defs[k] = v - } - - d.spec.Definitions = defs - return d -} - -// Pristine creates a new pristine document instance based on the input data -func (d *Document) Pristine() *Document { - dd, _ := Analyzed(d.Raw(), d.Version()) - return dd -} - -// SpecFilePath returns the file path of the spec if one is defined -func (d *Document) SpecFilePath() string { - return d.specFilePath -} - -func cloneSpec(src *spec.Swagger) (*spec.Swagger, error) { - var b bytes.Buffer - if err := gob.NewEncoder(&b).Encode(src); err != nil { - return nil, err - } - - var dst spec.Swagger - if err := gob.NewDecoder(&b).Decode(&dst); err != nil { - return nil, err - } - return &dst, nil -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/.editorconfig b/constraint/vendor/github.com/go-openapi/runtime/.editorconfig deleted file mode 100644 index 3152da69a..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/.editorconfig +++ /dev/null @@ -1,26 +0,0 @@ -# top-most EditorConfig file -root = true - -# Unix-style newlines with a newline ending every file -[*] -end_of_line = lf -insert_final_newline = true -indent_style = space -indent_size = 2 -trim_trailing_whitespace = true - -# Set default charset -[*.{js,py,go,scala,rb,java,html,css,less,sass,md}] -charset = utf-8 - -# Tab indentation (no size specified) -[*.go] -indent_style = tab - -[*.md] -trim_trailing_whitespace = false - -# Matches the exact files either package.json or .travis.yml -[{package.json,.travis.yml}] -indent_style = space -indent_size = 2 diff --git a/constraint/vendor/github.com/go-openapi/runtime/.travis.yml b/constraint/vendor/github.com/go-openapi/runtime/.travis.yml deleted file mode 100644 index 2fc7b58ff..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/.travis.yml +++ /dev/null @@ -1,15 +0,0 @@ -after_success: -- bash <(curl -s https://codecov.io/bash) -go: -- 1.11.x -- 1.12.x -install: -- GO111MODULE=off go get -u gotest.tools/gotestsum -env: -- GO111MODULE=on -language: go -notifications: - slack: - secure: 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 -script: -- gotestsum -f short-verbose -- -race -timeout=20m -coverprofile=coverage.txt -covermode=atomic ./... diff --git a/constraint/vendor/github.com/go-openapi/runtime/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/go-openapi/runtime/CODE_OF_CONDUCT.md deleted file mode 100644 index 9322b065e..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/CODE_OF_CONDUCT.md +++ /dev/null @@ -1,74 +0,0 @@ -# Contributor Covenant Code of Conduct - -## Our Pledge - -In the interest of fostering an open and welcoming environment, we as -contributors and maintainers pledge to making participation in our project and -our community a harassment-free experience for everyone, regardless of age, body -size, disability, ethnicity, gender identity and expression, level of experience, -nationality, personal appearance, race, religion, or sexual identity and -orientation. - -## Our Standards - -Examples of behavior that contributes to creating a positive environment -include: - -* Using welcoming and inclusive language -* Being respectful of differing viewpoints and experiences -* Gracefully accepting constructive criticism -* Focusing on what is best for the community -* Showing empathy towards other community members - -Examples of unacceptable behavior by participants include: - -* The use of sexualized language or imagery and unwelcome sexual attention or -advances -* Trolling, insulting/derogatory comments, and personal or political attacks -* Public or private harassment -* Publishing others' private information, such as a physical or electronic - address, without explicit permission -* Other conduct which could reasonably be considered inappropriate in a - professional setting - -## Our Responsibilities - -Project maintainers are responsible for clarifying the standards of acceptable -behavior and are expected to take appropriate and fair corrective action in -response to any instances of unacceptable behavior. - -Project maintainers have the right and responsibility to remove, edit, or -reject comments, commits, code, wiki edits, issues, and other contributions -that are not aligned to this Code of Conduct, or to ban temporarily or -permanently any contributor for other behaviors that they deem inappropriate, -threatening, offensive, or harmful. - -## Scope - -This Code of Conduct applies both within project spaces and in public spaces -when an individual is representing the project or its community. Examples of -representing a project or community include using an official project e-mail -address, posting via an official social media account, or acting as an appointed -representative at an online or offline event. Representation of a project may be -further defined and clarified by project maintainers. - -## Enforcement - -Instances of abusive, harassing, or otherwise unacceptable behavior may be -reported by contacting the project team at ivan+abuse@flanders.co.nz. All -complaints will be reviewed and investigated and will result in a response that -is deemed necessary and appropriate to the circumstances. The project team is -obligated to maintain confidentiality with regard to the reporter of an incident. -Further details of specific enforcement policies may be posted separately. - -Project maintainers who do not follow or enforce the Code of Conduct in good -faith may face temporary or permanent repercussions as determined by other -members of the project's leadership. - -## Attribution - -This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, -available at [http://contributor-covenant.org/version/1/4][version] - -[homepage]: http://contributor-covenant.org -[version]: http://contributor-covenant.org/version/1/4/ diff --git a/constraint/vendor/github.com/go-openapi/runtime/README.md b/constraint/vendor/github.com/go-openapi/runtime/README.md deleted file mode 100644 index 5b1ec6494..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/README.md +++ /dev/null @@ -1,7 +0,0 @@ -# runtime [![Build Status](https://travis-ci.org/go-openapi/runtime.svg?branch=client-context)](https://travis-ci.org/go-openapi/runtime) [![codecov](https://codecov.io/gh/go-openapi/runtime/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/runtime) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) - -[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/runtime/master/LICENSE) [![GoDoc](https://godoc.org/github.com/go-openapi/runtime?status.svg)](http://godoc.org/github.com/go-openapi/runtime) - -# golang Open-API toolkit - runtime - -The runtime component for use in codegeneration or as untyped usage. diff --git a/constraint/vendor/github.com/go-openapi/runtime/bytestream.go b/constraint/vendor/github.com/go-openapi/runtime/bytestream.go deleted file mode 100644 index 4459025b9..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/bytestream.go +++ /dev/null @@ -1,155 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "bytes" - "encoding" - "errors" - "fmt" - "io" - "reflect" - - "github.com/go-openapi/swag" -) - -func defaultCloser() error { return nil } - -type byteStreamOpt func(opts *byteStreamOpts) - -// ClosesStream when the bytestream consumer or producer is finished -func ClosesStream(opts *byteStreamOpts) { - opts.Close = true -} - -type byteStreamOpts struct { - Close bool -} - -// ByteStreamConsumer creates a consmer for byte streams, -// takes a Writer/BinaryUnmarshaler interface or binary slice by reference, -// and reads from the provided reader -func ByteStreamConsumer(opts ...byteStreamOpt) Consumer { - var vals byteStreamOpts - for _, opt := range opts { - opt(&vals) - } - - return ConsumerFunc(func(reader io.Reader, data interface{}) error { - if reader == nil { - return errors.New("ByteStreamConsumer requires a reader") // early exit - } - - close := defaultCloser - if vals.Close { - if cl, ok := reader.(io.Closer); ok { - close = cl.Close - } - } - defer close() - - if wrtr, ok := data.(io.Writer); ok { - _, err := io.Copy(wrtr, reader) - return err - } - - buf := new(bytes.Buffer) - _, err := buf.ReadFrom(reader) - if err != nil { - return err - } - b := buf.Bytes() - - if bu, ok := data.(encoding.BinaryUnmarshaler); ok { - return bu.UnmarshalBinary(b) - } - - if t := reflect.TypeOf(data); data != nil && t.Kind() == reflect.Ptr { - v := reflect.Indirect(reflect.ValueOf(data)) - if t = v.Type(); t.Kind() == reflect.Slice && t.Elem().Kind() == reflect.Uint8 { - v.SetBytes(b) - return nil - } - } - - return fmt.Errorf("%v (%T) is not supported by the ByteStreamConsumer, %s", - data, data, "can be resolved by supporting Writer/BinaryUnmarshaler interface") - }) -} - -// ByteStreamProducer creates a producer for byte streams, -// takes a Reader/BinaryMarshaler interface or binary slice, -// and writes to a writer (essentially a pipe) -func ByteStreamProducer(opts ...byteStreamOpt) Producer { - var vals byteStreamOpts - for _, opt := range opts { - opt(&vals) - } - return ProducerFunc(func(writer io.Writer, data interface{}) error { - if writer == nil { - return errors.New("ByteStreamProducer requires a writer") // early exit - } - close := defaultCloser - if vals.Close { - if cl, ok := writer.(io.Closer); ok { - close = cl.Close - } - } - defer close() - - if rc, ok := data.(io.ReadCloser); ok { - defer rc.Close() - } - - if rdr, ok := data.(io.Reader); ok { - _, err := io.Copy(writer, rdr) - return err - } - - if bm, ok := data.(encoding.BinaryMarshaler); ok { - bytes, err := bm.MarshalBinary() - if err != nil { - return err - } - - _, err = writer.Write(bytes) - return err - } - - if data != nil { - if e, ok := data.(error); ok { - _, err := writer.Write([]byte(e.Error())) - return err - } - - v := reflect.Indirect(reflect.ValueOf(data)) - if t := v.Type(); t.Kind() == reflect.Slice && t.Elem().Kind() == reflect.Uint8 { - _, err := writer.Write(v.Bytes()) - return err - } - if t := v.Type(); t.Kind() == reflect.Struct || t.Kind() == reflect.Slice { - b, err := swag.WriteJSON(data) - if err != nil { - return err - } - _, err = writer.Write(b) - return err - } - } - - return fmt.Errorf("%v (%T) is not supported by the ByteStreamProducer, %s", - data, data, "can be resolved by supporting Reader/BinaryMarshaler interface") - }) -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/client_auth_info.go b/constraint/vendor/github.com/go-openapi/runtime/client_auth_info.go deleted file mode 100644 index c6c97d9a7..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/client_auth_info.go +++ /dev/null @@ -1,30 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import "github.com/go-openapi/strfmt" - -// A ClientAuthInfoWriterFunc converts a function to a request writer interface -type ClientAuthInfoWriterFunc func(ClientRequest, strfmt.Registry) error - -// AuthenticateRequest adds authentication data to the request -func (fn ClientAuthInfoWriterFunc) AuthenticateRequest(req ClientRequest, reg strfmt.Registry) error { - return fn(req, reg) -} - -// A ClientAuthInfoWriter implementor knows how to write authentication info to a request -type ClientAuthInfoWriter interface { - AuthenticateRequest(ClientRequest, strfmt.Registry) error -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/client_operation.go b/constraint/vendor/github.com/go-openapi/runtime/client_operation.go deleted file mode 100644 index fa21eacf3..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/client_operation.go +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "context" - "net/http" -) - -// ClientOperation represents the context for a swagger operation to be submitted to the transport -type ClientOperation struct { - ID string - Method string - PathPattern string - ProducesMediaTypes []string - ConsumesMediaTypes []string - Schemes []string - AuthInfo ClientAuthInfoWriter - Params ClientRequestWriter - Reader ClientResponseReader - Context context.Context - Client *http.Client -} - -// A ClientTransport implementor knows how to submit Request objects to some destination -type ClientTransport interface { - //Submit(string, RequestWriter, ResponseReader, AuthInfoWriter) (interface{}, error) - Submit(*ClientOperation) (interface{}, error) -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/client_request.go b/constraint/vendor/github.com/go-openapi/runtime/client_request.go deleted file mode 100644 index 904196ae3..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/client_request.go +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "io" - "io/ioutil" - "net/http" - "net/url" - "time" - - "github.com/go-openapi/strfmt" -) - -// ClientRequestWriterFunc converts a function to a request writer interface -type ClientRequestWriterFunc func(ClientRequest, strfmt.Registry) error - -// WriteToRequest adds data to the request -func (fn ClientRequestWriterFunc) WriteToRequest(req ClientRequest, reg strfmt.Registry) error { - return fn(req, reg) -} - -// ClientRequestWriter is an interface for things that know how to write to a request -type ClientRequestWriter interface { - WriteToRequest(ClientRequest, strfmt.Registry) error -} - -// ClientRequest is an interface for things that know how to -// add information to a swagger client request -type ClientRequest interface { - SetHeaderParam(string, ...string) error - - GetHeaderParams() http.Header - - SetQueryParam(string, ...string) error - - SetFormParam(string, ...string) error - - SetPathParam(string, string) error - - GetQueryParams() url.Values - - SetFileParam(string, ...NamedReadCloser) error - - SetBodyParam(interface{}) error - - SetTimeout(time.Duration) error - - GetMethod() string - - GetPath() string - - GetBody() []byte - - GetBodyParam() interface{} - - GetFileParam() map[string][]NamedReadCloser -} - -// NamedReadCloser represents a named ReadCloser interface -type NamedReadCloser interface { - io.ReadCloser - Name() string -} - -// NamedReader creates a NamedReadCloser for use as file upload -func NamedReader(name string, rdr io.Reader) NamedReadCloser { - rc, ok := rdr.(io.ReadCloser) - if !ok { - rc = ioutil.NopCloser(rdr) - } - return &namedReadCloser{ - name: name, - cr: rc, - } -} - -type namedReadCloser struct { - name string - cr io.ReadCloser -} - -func (n *namedReadCloser) Close() error { - return n.cr.Close() -} -func (n *namedReadCloser) Read(p []byte) (int, error) { - return n.cr.Read(p) -} -func (n *namedReadCloser) Name() string { - return n.name -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/client_response.go b/constraint/vendor/github.com/go-openapi/runtime/client_response.go deleted file mode 100644 index 729e18b22..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/client_response.go +++ /dev/null @@ -1,63 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "fmt" - "io" -) - -// A ClientResponse represents a client response -// This bridges between responses obtained from different transports -type ClientResponse interface { - Code() int - Message() string - GetHeader(string) string - Body() io.ReadCloser -} - -// A ClientResponseReaderFunc turns a function into a ClientResponseReader interface implementation -type ClientResponseReaderFunc func(ClientResponse, Consumer) (interface{}, error) - -// ReadResponse reads the response -func (read ClientResponseReaderFunc) ReadResponse(resp ClientResponse, consumer Consumer) (interface{}, error) { - return read(resp, consumer) -} - -// A ClientResponseReader is an interface for things want to read a response. -// An application of this is to create structs from response values -type ClientResponseReader interface { - ReadResponse(ClientResponse, Consumer) (interface{}, error) -} - -// NewAPIError creates a new API error -func NewAPIError(opName string, payload interface{}, code int) *APIError { - return &APIError{ - OperationName: opName, - Response: payload, - Code: code, - } -} - -// APIError wraps an error model and captures the status code -type APIError struct { - OperationName string - Response interface{} - Code int -} - -func (a *APIError) Error() string { - return fmt.Sprintf("%s (status %d): %+v ", a.OperationName, a.Code, a.Response) -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/constants.go b/constraint/vendor/github.com/go-openapi/runtime/constants.go deleted file mode 100644 index a4de897ad..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/constants.go +++ /dev/null @@ -1,47 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -const ( - // HeaderContentType represents a http content-type header, it's value is supposed to be a mime type - HeaderContentType = "Content-Type" - - // HeaderTransferEncoding represents a http transfer-encoding header. - HeaderTransferEncoding = "Transfer-Encoding" - - // HeaderAccept the Accept header - HeaderAccept = "Accept" - - charsetKey = "charset" - - // DefaultMime the default fallback mime type - DefaultMime = "application/octet-stream" - // JSONMime the json mime type - JSONMime = "application/json" - // YAMLMime the yaml mime type - YAMLMime = "application/x-yaml" - // XMLMime the xml mime type - XMLMime = "application/xml" - // TextMime the text mime type - TextMime = "text/plain" - // HTMLMime the html mime type - HTMLMime = "text/html" - // CSVMime the csv mime type - CSVMime = "text/csv" - // MultipartFormMime the multipart form mime type - MultipartFormMime = "multipart/form-data" - // URLencodedFormMime the url encoded form mime type - URLencodedFormMime = "application/x-www-form-urlencoded" -) diff --git a/constraint/vendor/github.com/go-openapi/runtime/csv.go b/constraint/vendor/github.com/go-openapi/runtime/csv.go deleted file mode 100644 index d807bd915..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/csv.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "bytes" - "encoding/csv" - "errors" - "io" -) - -// CSVConsumer creates a new CSV consumer -func CSVConsumer() Consumer { - return ConsumerFunc(func(reader io.Reader, data interface{}) error { - if reader == nil { - return errors.New("CSVConsumer requires a reader") - } - - csvReader := csv.NewReader(reader) - writer, ok := data.(io.Writer) - if !ok { - return errors.New("data type must be io.Writer") - } - csvWriter := csv.NewWriter(writer) - records, err := csvReader.ReadAll() - if err != nil { - return err - } - for _, r := range records { - if err := csvWriter.Write(r); err != nil { - return err - } - } - csvWriter.Flush() - return nil - }) -} - -// CSVProducer creates a new CSV producer -func CSVProducer() Producer { - return ProducerFunc(func(writer io.Writer, data interface{}) error { - if writer == nil { - return errors.New("CSVProducer requires a writer") - } - - dataBytes, ok := data.([]byte) - if !ok { - return errors.New("data type must be byte array") - } - - csvReader := csv.NewReader(bytes.NewBuffer(dataBytes)) - records, err := csvReader.ReadAll() - if err != nil { - return err - } - csvWriter := csv.NewWriter(writer) - for _, r := range records { - if err := csvWriter.Write(r); err != nil { - return err - } - } - csvWriter.Flush() - return nil - }) -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/discard.go b/constraint/vendor/github.com/go-openapi/runtime/discard.go deleted file mode 100644 index 0d390cfd6..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/discard.go +++ /dev/null @@ -1,9 +0,0 @@ -package runtime - -import "io" - -// DiscardConsumer does absolutely nothing, it's a black hole. -var DiscardConsumer = ConsumerFunc(func(_ io.Reader, _ interface{}) error { return nil }) - -// DiscardProducer does absolutely nothing, it's a black hole. -var DiscardProducer = ProducerFunc(func(_ io.Writer, _ interface{}) error { return nil }) diff --git a/constraint/vendor/github.com/go-openapi/runtime/go.mod b/constraint/vendor/github.com/go-openapi/runtime/go.mod deleted file mode 100644 index ddf6f1613..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/go.mod +++ /dev/null @@ -1,16 +0,0 @@ -module github.com/go-openapi/runtime - -require ( - github.com/docker/go-units v0.4.0 - github.com/go-openapi/analysis v0.19.2 - github.com/go-openapi/errors v0.19.2 - github.com/go-openapi/loads v0.19.2 - github.com/go-openapi/spec v0.19.2 - github.com/go-openapi/strfmt v0.19.0 - github.com/go-openapi/swag v0.19.2 - github.com/go-openapi/validate v0.19.2 - github.com/stretchr/testify v1.3.0 - golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56 // indirect - golang.org/x/tools v0.0.0-20190617190820-da514acc4774 // indirect - gopkg.in/yaml.v2 v2.2.2 -) diff --git a/constraint/vendor/github.com/go-openapi/runtime/go.sum b/constraint/vendor/github.com/go-openapi/runtime/go.sum deleted file mode 100644 index bdb97c3a8..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/go.sum +++ /dev/null @@ -1,133 +0,0 @@ -github.com/PuerkitoBio/purell v1.1.0 h1:rmGxhojJlM0tuKtfdvliR84CFHljx9ag64t2xmVkjK4= -github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf h1:eg0MeVzsP1G42dRafH3vf+al2vQIJU0YHX+1Tw87oco= -github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk= -github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= -github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw= -github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= -github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q= -github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8 h1:DujepqpGd1hyOd7aW59XpK7Qymp8iy83xq74fLr21is= -github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q= -github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70tL6pCuVxPJOHXQ+wIac1FUrvNkHolPie/cLEU6hI= -github.com/go-openapi/analysis v0.17.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik= -github.com/go-openapi/analysis v0.17.2 h1:eYp14J1o8TTSCzndHBtsNuckikV1PfZOSnx4BcBeu0c= -github.com/go-openapi/analysis v0.17.2/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik= -github.com/go-openapi/analysis v0.18.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik= -github.com/go-openapi/analysis v0.19.2 h1:ophLETFestFZHk3ji7niPEL4d466QjW+0Tdg5VyDq7E= -github.com/go-openapi/analysis v0.19.2/go.mod h1:3P1osvZa9jKjb8ed2TPng3f0i/UY9snX6gxi44djMjk= -github.com/go-openapi/errors v0.17.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0= -github.com/go-openapi/errors v0.17.2 h1:azEQ8Fnx0jmtFF2fxsnmd6I0x6rsweUF63qqSO1NmKk= -github.com/go-openapi/errors v0.17.2/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0= -github.com/go-openapi/errors v0.18.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0= -github.com/go-openapi/errors v0.19.2 h1:a2kIyV3w+OS3S97zxUndRVD46+FhGOUBDFY7nmu4CsY= -github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94= -github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= -github.com/go-openapi/jsonpointer v0.17.2 h1:3ekBy41gar/iJi2KSh/au/PrC2vpLr85upF/UZmm3W0= -github.com/go-openapi/jsonpointer v0.17.2/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= -github.com/go-openapi/jsonpointer v0.18.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= 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v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= -gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/constraint/vendor/github.com/go-openapi/runtime/interfaces.go b/constraint/vendor/github.com/go-openapi/runtime/interfaces.go deleted file mode 100644 index 65de0aa44..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/interfaces.go +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "io" - "net/http" - - "github.com/go-openapi/strfmt" -) - -// OperationHandlerFunc an adapter for a function to the OperationHandler interface -type OperationHandlerFunc func(interface{}) (interface{}, error) - -// Handle implements the operation handler interface -func (s OperationHandlerFunc) Handle(data interface{}) (interface{}, error) { - return s(data) -} - -// OperationHandler a handler for a swagger operation -type OperationHandler interface { - Handle(interface{}) (interface{}, error) -} - -// ConsumerFunc represents a function that can be used as a consumer -type ConsumerFunc func(io.Reader, interface{}) error - -// Consume consumes the reader into the data parameter -func (fn ConsumerFunc) Consume(reader io.Reader, data interface{}) error { - return fn(reader, data) -} - -// Consumer implementations know how to bind the values on the provided interface to -// data provided by the request body -type Consumer interface { - // Consume performs the binding of request values - Consume(io.Reader, interface{}) error -} - -// ProducerFunc represents a function that can be used as a producer -type ProducerFunc func(io.Writer, interface{}) error - -// Produce produces the response for the provided data -func (f ProducerFunc) Produce(writer io.Writer, data interface{}) error { - return f(writer, data) -} - -// Producer implementations know how to turn the provided interface into a valid -// HTTP response -type Producer interface { - // Produce writes to the http response - Produce(io.Writer, interface{}) error -} - -// AuthenticatorFunc turns a function into an authenticator -type AuthenticatorFunc func(interface{}) (bool, interface{}, error) - -// Authenticate authenticates the request with the provided data -func (f AuthenticatorFunc) Authenticate(params interface{}) (bool, interface{}, error) { - return f(params) -} - -// Authenticator represents an authentication strategy -// implementations of Authenticator know how to authenticate the -// request data and translate that into a valid principal object or an error -type Authenticator interface { - Authenticate(interface{}) (bool, interface{}, error) -} - -// AuthorizerFunc turns a function into an authorizer -type AuthorizerFunc func(*http.Request, interface{}) error - -// Authorize authorizes the processing of the request for the principal -func (f AuthorizerFunc) Authorize(r *http.Request, principal interface{}) error { - return f(r, principal) -} - -// Authorizer represents an authorization strategy -// implementations of Authorizer know how to authorize the principal object -// using the request data and returns error if unauthorized -type Authorizer interface { - Authorize(*http.Request, interface{}) error -} - -// Validatable types implementing this interface allow customizing their validation -// this will be used instead of the reflective validation based on the spec document. -// the implementations are assumed to have been generated by the swagger tool so they should -// contain all the validations obtained from the spec -type Validatable interface { - Validate(strfmt.Registry) error -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/request.go b/constraint/vendor/github.com/go-openapi/runtime/request.go deleted file mode 100644 index 9e51b42b5..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/request.go +++ /dev/null @@ -1,139 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "bufio" - "io" - "net/http" - "strings" - - "github.com/go-openapi/swag" -) - -// CanHaveBody returns true if this method can have a body -func CanHaveBody(method string) bool { - mn := strings.ToUpper(method) - return mn == "POST" || mn == "PUT" || mn == "PATCH" || mn == "DELETE" -} - -// IsSafe returns true if this is a request with a safe method -func IsSafe(r *http.Request) bool { - mn := strings.ToUpper(r.Method) - return mn == "GET" || mn == "HEAD" -} - -// AllowsBody returns true if the request allows for a body -func AllowsBody(r *http.Request) bool { - mn := strings.ToUpper(r.Method) - return mn != "HEAD" -} - -// HasBody returns true if this method needs a content-type -func HasBody(r *http.Request) bool { - // happy case: we have a content length set - if r.ContentLength > 0 { - return true - } - - if r.Header.Get(http.CanonicalHeaderKey("content-length")) != "" { - // in this case, no Transfer-Encoding should be present - // we have a header set but it was explicitly set to 0, so we assume no body - return false - } - - rdr := newPeekingReader(r.Body) - r.Body = rdr - return rdr.HasContent() -} - -func newPeekingReader(r io.ReadCloser) *peekingReader { - if r == nil { - return nil - } - return &peekingReader{ - underlying: bufio.NewReader(r), - orig: r, - } -} - -type peekingReader struct { - underlying interface { - Buffered() int - Peek(int) ([]byte, error) - Read([]byte) (int, error) - } - orig io.ReadCloser -} - -func (p *peekingReader) HasContent() bool { - if p == nil { - return false - } - if p.underlying.Buffered() > 0 { - return true - } - b, err := p.underlying.Peek(1) - if err != nil { - return false - } - return len(b) > 0 -} - -func (p *peekingReader) Read(d []byte) (int, error) { - if p == nil { - return 0, io.EOF - } - return p.underlying.Read(d) -} - -func (p *peekingReader) Close() error { - p.underlying = nil - if p.orig != nil { - return p.orig.Close() - } - return nil -} - -// JSONRequest creates a new http request with json headers set -func JSONRequest(method, urlStr string, body io.Reader) (*http.Request, error) { - req, err := http.NewRequest(method, urlStr, body) - if err != nil { - return nil, err - } - req.Header.Add(HeaderContentType, JSONMime) - req.Header.Add(HeaderAccept, JSONMime) - return req, nil -} - -// Gettable for things with a method GetOK(string) (data string, hasKey bool, hasValue bool) -type Gettable interface { - GetOK(string) ([]string, bool, bool) -} - -// ReadSingleValue reads a single value from the source -func ReadSingleValue(values Gettable, name string) string { - vv, _, hv := values.GetOK(name) - if hv { - return vv[len(vv)-1] - } - return "" -} - -// ReadCollectionValue reads a collection value from a string data source -func ReadCollectionValue(values Gettable, name, collectionFormat string) []string { - v := ReadSingleValue(values, name) - return swag.SplitByFormat(v, collectionFormat) -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/statuses.go b/constraint/vendor/github.com/go-openapi/runtime/statuses.go deleted file mode 100644 index 3b011a0bf..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/statuses.go +++ /dev/null @@ -1,90 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -// Statuses lists the most common HTTP status codes to default message -// taken from https://httpstatuses.com/ -var Statuses = map[int]string{ - 100: "Continue", - 101: "Switching Protocols", - 102: "Processing", - 103: "Checkpoint", - 122: "URI too long", - 200: "OK", - 201: "Created", - 202: "Accepted", - 203: "Request Processed", - 204: "No Content", - 205: "Reset Content", - 206: "Partial Content", - 207: "Multi-Status", - 208: "Already Reported", - 226: "IM Used", - 300: "Multiple Choices", - 301: "Moved Permanently", - 302: "Found", - 303: "See Other", - 304: "Not Modified", - 305: "Use Proxy", - 306: "Switch Proxy", - 307: "Temporary Redirect", - 308: "Permanent Redirect", - 400: "Bad Request", - 401: "Unauthorized", - 402: "Payment Required", - 403: "Forbidden", - 404: "Not Found", - 405: "Method Not Allowed", - 406: "Not Acceptable", - 407: "Proxy Authentication Required", - 408: "Request Timeout", - 409: "Conflict", - 410: "Gone", - 411: "Length Required", - 412: "Precondition Failed", - 413: "Request Entity Too Large", - 414: "Request-URI Too Long", - 415: "Unsupported Media Type", - 416: "Request Range Not Satisfiable", - 417: "Expectation Failed", - 418: "I'm a teapot", - 420: "Enhance Your Calm", - 422: "Unprocessable Entity", - 423: "Locked", - 424: "Failed Dependency", - 426: "Upgrade Required", - 428: "Precondition Required", - 429: "Too Many Requests", - 431: "Request Header Fields Too Large", - 444: "No Response", - 449: "Retry With", - 450: "Blocked by Windows Parental Controls", - 451: "Wrong Exchange Server", - 499: "Client Closed Request", - 500: "Internal Server Error", - 501: "Not Implemented", - 502: "Bad Gateway", - 503: "Service Unavailable", - 504: "Gateway Timeout", - 505: "HTTP Version Not Supported", - 506: "Variant Also Negotiates", - 507: "Insufficient Storage", - 508: "Loop Detected", - 509: "Bandwidth Limit Exceeded", - 510: "Not Extended", - 511: "Network Authentication Required", - 598: "Network read timeout error", - 599: "Network connect timeout error", -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/text.go b/constraint/vendor/github.com/go-openapi/runtime/text.go deleted file mode 100644 index c7fd04c3c..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/text.go +++ /dev/null @@ -1,117 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "bytes" - "encoding" - "errors" - "fmt" - "io" - "reflect" - - "github.com/go-openapi/swag" -) - -// TextConsumer creates a new text consumer -func TextConsumer() Consumer { - return ConsumerFunc(func(reader io.Reader, data interface{}) error { - if reader == nil { - return errors.New("TextConsumer requires a reader") // early exit - } - - buf := new(bytes.Buffer) - _, err := buf.ReadFrom(reader) - if err != nil { - return err - } - b := buf.Bytes() - - // If the buffer is empty, no need to unmarshal it, which causes a panic. - if len(b) == 0 { - data = "" - return nil - } - - if tu, ok := data.(encoding.TextUnmarshaler); ok { - err := tu.UnmarshalText(b) - if err != nil { - return fmt.Errorf("text consumer: %v", err) - } - - return nil - } - - t := reflect.TypeOf(data) - if data != nil && t.Kind() == reflect.Ptr { - v := reflect.Indirect(reflect.ValueOf(data)) - if t.Elem().Kind() == reflect.String { - v.SetString(string(b)) - return nil - } - } - - return fmt.Errorf("%v (%T) is not supported by the TextConsumer, %s", - data, data, "can be resolved by supporting TextUnmarshaler interface") - }) -} - -// TextProducer creates a new text producer -func TextProducer() Producer { - return ProducerFunc(func(writer io.Writer, data interface{}) error { - if writer == nil { - return errors.New("TextProducer requires a writer") // early exit - } - - if data == nil { - return errors.New("no data given to produce text from") - } - - if tm, ok := data.(encoding.TextMarshaler); ok { - txt, err := tm.MarshalText() - if err != nil { - return fmt.Errorf("text producer: %v", err) - } - _, err = writer.Write(txt) - return err - } - - if str, ok := data.(error); ok { - _, err := writer.Write([]byte(str.Error())) - return err - } - - if str, ok := data.(fmt.Stringer); ok { - _, err := writer.Write([]byte(str.String())) - return err - } - - v := reflect.Indirect(reflect.ValueOf(data)) - if t := v.Type(); t.Kind() == reflect.Struct || t.Kind() == reflect.Slice { - b, err := swag.WriteJSON(data) - if err != nil { - return err - } - _, err = writer.Write(b) - return err - } - if v.Kind() != reflect.String { - return fmt.Errorf("%T is not a supported type by the TextProducer", data) - } - - _, err := writer.Write([]byte(v.String())) - return err - }) -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/values.go b/constraint/vendor/github.com/go-openapi/runtime/values.go deleted file mode 100644 index 11f5732af..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/values.go +++ /dev/null @@ -1,19 +0,0 @@ -package runtime - -// Values typically represent parameters on a http request. -type Values map[string][]string - -// GetOK returns the values collection for the given key. -// When the key is present in the map it will return true for hasKey. -// When the value is not empty it will return true for hasValue. -func (v Values) GetOK(key string) (value []string, hasKey bool, hasValue bool) { - value, hasKey = v[key] - if !hasKey { - return - } - if len(value) == 0 { - return - } - hasValue = true - return -} diff --git a/constraint/vendor/github.com/go-openapi/runtime/xml.go b/constraint/vendor/github.com/go-openapi/runtime/xml.go deleted file mode 100644 index 821c7393d..000000000 --- a/constraint/vendor/github.com/go-openapi/runtime/xml.go +++ /dev/null @@ -1,36 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package runtime - -import ( - "encoding/xml" - "io" -) - -// XMLConsumer creates a new XML consumer -func XMLConsumer() Consumer { - return ConsumerFunc(func(reader io.Reader, data interface{}) error { - dec := xml.NewDecoder(reader) - return dec.Decode(data) - }) -} - -// XMLProducer creates a new XML producer -func XMLProducer() Producer { - return ProducerFunc(func(writer io.Writer, data interface{}) error { - enc := xml.NewEncoder(writer) - return enc.Encode(data) - }) -} diff --git a/constraint/vendor/github.com/go-openapi/spec/.golangci.yml b/constraint/vendor/github.com/go-openapi/spec/.golangci.yml index 3e33f9f2e..4e17ed497 100644 --- a/constraint/vendor/github.com/go-openapi/spec/.golangci.yml +++ b/constraint/vendor/github.com/go-openapi/spec/.golangci.yml @@ -21,3 +21,8 @@ linters: - lll - gochecknoinits - gochecknoglobals + - funlen + - godox + - gocognit + - whitespace + - wsl diff --git a/constraint/vendor/github.com/go-openapi/spec/bindata.go b/constraint/vendor/github.com/go-openapi/spec/bindata.go index c67e2d877..66b1f3263 100644 --- a/constraint/vendor/github.com/go-openapi/spec/bindata.go +++ b/constraint/vendor/github.com/go-openapi/spec/bindata.go @@ -1,7 +1,7 @@ // Code generated by go-bindata. DO NOT EDIT. // sources: // schemas/jsonschema-draft-04.json (4.357kB) -// schemas/v2/schema.json (40.249kB) +// schemas/v2/schema.json (40.248kB) package spec @@ -70,43 +70,43 @@ func (fi bindataFileInfo) Sys() interface{} { return nil } -var _jsonschemaDraft04JSON = 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+var _jsonschemaDraft04Json = 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-func jsonschemaDraft04JSONBytes() ([]byte, error) { +func jsonschemaDraft04JsonBytes() ([]byte, error) { return bindataRead( - _jsonschemaDraft04JSON, + _jsonschemaDraft04Json, "jsonschema-draft-04.json", ) } -func jsonschemaDraft04JSON() (*asset, error) { - bytes, err := jsonschemaDraft04JSONBytes() +func jsonschemaDraft04Json() (*asset, error) { + bytes, err := jsonschemaDraft04JsonBytes() if err != nil { return nil, err } - info := bindataFileInfo{name: "jsonschema-draft-04.json", size: 4357, mode: os.FileMode(0644), modTime: time.Unix(1567900649, 0)} + info := bindataFileInfo{name: "jsonschema-draft-04.json", size: 4357, mode: os.FileMode(0640), modTime: time.Unix(1568963823, 0)} a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe1, 0x48, 0x9d, 0xb, 0x47, 0x55, 0xf0, 0x27, 0x93, 0x30, 0x25, 0x91, 0xd3, 0xfc, 0xb8, 0xf0, 0x7b, 0x68, 0x93, 0xa8, 0x2a, 0x94, 0xf2, 0x48, 0x95, 0xf8, 0xe4, 0xed, 0xf1, 0x1b, 0x82, 0xe2}} return a, nil } -var _v2SchemaJSON = 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+var _v2SchemaJson = 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-func v2SchemaJSONBytes() ([]byte, error) { +func v2SchemaJsonBytes() ([]byte, error) { return bindataRead( - _v2SchemaJSON, + _v2SchemaJson, "v2/schema.json", ) } -func v2SchemaJSON() (*asset, error) { - bytes, err := v2SchemaJSONBytes() +func v2SchemaJson() (*asset, error) { + bytes, err := v2SchemaJsonBytes() if err != nil { return nil, err } - info := bindataFileInfo{name: "v2/schema.json", size: 40249, mode: os.FileMode(0644), modTime: time.Unix(1567900649, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xcb, 0x25, 0x27, 0xe8, 0x46, 0xae, 0x22, 0xc4, 0xf4, 0x8b, 0x1, 0x32, 0x4d, 0x1f, 0xf8, 0xdf, 0x75, 0x15, 0xc8, 0x2d, 0xc7, 0xed, 0xe, 0x7e, 0x0, 0x75, 0xc0, 0xf9, 0xd2, 0x1f, 0x75, 0x57}} + info := bindataFileInfo{name: "v2/schema.json", size: 40248, mode: os.FileMode(0640), modTime: time.Unix(1568964748, 0)} + a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xab, 0x88, 0x5e, 0xf, 0xbf, 0x17, 0x74, 0x0, 0xb2, 0x5a, 0x7f, 0xbc, 0x58, 0xcd, 0xc, 0x25, 0x73, 0xd5, 0x29, 0x1c, 0x7a, 0xd0, 0xce, 0x79, 0xd4, 0x89, 0x31, 0x27, 0x90, 0xf2, 0xff, 0xe6}} return a, nil } @@ -201,9 +201,9 @@ func AssetNames() []string { // _bindata is a table, holding each asset generator, mapped to its name. var _bindata = map[string]func() (*asset, error){ - "jsonschema-draft-04.json": jsonschemaDraft04JSON, + "jsonschema-draft-04.json": jsonschemaDraft04Json, - "v2/schema.json": v2SchemaJSON, + "v2/schema.json": v2SchemaJson, } // AssetDir returns the file names below a certain @@ -247,9 +247,9 @@ type bintree struct { } var _bintree = &bintree{nil, map[string]*bintree{ - "jsonschema-draft-04.json": &bintree{jsonschemaDraft04JSON, map[string]*bintree{}}, + "jsonschema-draft-04.json": &bintree{jsonschemaDraft04Json, map[string]*bintree{}}, "v2": &bintree{nil, map[string]*bintree{ - "schema.json": &bintree{v2SchemaJSON, map[string]*bintree{}}, + "schema.json": &bintree{v2SchemaJson, map[string]*bintree{}}, }}, }} diff --git a/constraint/vendor/github.com/go-openapi/spec/expander.go b/constraint/vendor/github.com/go-openapi/spec/expander.go index 1e7fc8c49..043720d7d 100644 --- a/constraint/vendor/github.com/go-openapi/spec/expander.go +++ b/constraint/vendor/github.com/go-openapi/spec/expander.go @@ -452,11 +452,12 @@ func expandPathItem(pathItem *PathItem, resolver *schemaLoader, basePath string) return err } if pathItem.Ref.String() != "" { - var err error - resolver, err = resolver.transitiveResolver(basePath, pathItem.Ref) - if resolver.shouldStopOnError(err) { + transitiveResolver, err := resolver.transitiveResolver(basePath, pathItem.Ref) + if transitiveResolver.shouldStopOnError(err) { return err } + basePath = transitiveResolver.updateBasePath(resolver, basePath) + resolver = transitiveResolver } pathItem.Ref = Ref{} diff --git a/constraint/vendor/github.com/go-openapi/spec/go.mod b/constraint/vendor/github.com/go-openapi/spec/go.mod index 02a142c03..14e5f2dac 100644 --- a/constraint/vendor/github.com/go-openapi/spec/go.mod +++ b/constraint/vendor/github.com/go-openapi/spec/go.mod @@ -4,14 +4,9 @@ require ( github.com/go-openapi/jsonpointer v0.19.3 github.com/go-openapi/jsonreference v0.19.2 github.com/go-openapi/swag v0.19.5 - github.com/kr/pty v1.1.5 // indirect - github.com/stretchr/objx v0.2.0 // indirect github.com/stretchr/testify v1.3.0 - golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 // indirect golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect - golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f // indirect - golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59 // indirect - gopkg.in/yaml.v2 v2.2.2 + gopkg.in/yaml.v2 v2.2.4 ) go 1.13 diff --git a/constraint/vendor/github.com/go-openapi/spec/go.sum b/constraint/vendor/github.com/go-openapi/spec/go.sum index 86db601c9..c209ff971 100644 --- a/constraint/vendor/github.com/go-openapi/spec/go.sum +++ b/constraint/vendor/github.com/go-openapi/spec/go.sum @@ -1,5 +1,3 @@ -github.com/PuerkitoBio/purell v1.1.0 h1:rmGxhojJlM0tuKtfdvliR84CFHljx9ag64t2xmVkjK4= -github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= @@ -7,20 +5,12 @@ github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdko github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/go-openapi/jsonpointer v0.17.0 h1:nH6xp8XdXHx8dqveo0ZuJBluCO2qGrPbDNZ0dwoRHP0= -github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= -github.com/go-openapi/jsonpointer v0.19.0 h1:FTUMcX77w5rQkClIzDtTxvn6Bsa894CcrzNj2MMfeg8= -github.com/go-openapi/jsonpointer v0.19.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= github.com/go-openapi/jsonpointer v0.19.2 h1:A9+F4Dc/MCNB5jibxf6rRvOvR/iFgQdyNx9eIhnGqq0= github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg= github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w= github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg= -github.com/go-openapi/jsonreference v0.19.0 h1:BqWKpV1dFd+AuiKlgtddwVIFQsuMpxfBDBHGfM2yNpk= -github.com/go-openapi/jsonreference v0.19.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I= github.com/go-openapi/jsonreference v0.19.2 h1:o20suLFB4Ri0tuzpWtyHlh7E7HnkqTNLq6aR6WVNS1w= github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc= -github.com/go-openapi/swag v0.17.0 h1:iqrgMg7Q7SvtbWLlltPrkMs0UBJI6oTSs79JFRUi880= -github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg= github.com/go-openapi/swag v0.19.2 h1:jvO6bCMBEilGwMfHhrd61zIID4oIFdwb76V17SM88dE= github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tFY= @@ -28,11 +18,8 @@ github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= -github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA= github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= -github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329 h1:2gxZ0XQIU/5z3Z3bUBu+FXuk2pFbkN6tcwi/pjyaDic= -github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc= github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63 h1:nTT4s92Dgz2HlrB2NaMgvlfqHH39OgMhA7z3PK7PGD4= github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc= github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e h1:hB2xlXdHp/pmPZq0y3QnmWAArdw9PqbmotexnWx/FU8= @@ -40,35 +27,23 @@ github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE= -github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w= -github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/net v0.0.0-20181005035420-146acd28ed58 h1:otZG8yDCO4LVps5+9bxOeNiCvgmOyt96J3roHTYs7oE= -golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 h1:dfGZHvZk057jK2MCeWus/TowKpJ8y4AmooUzdBSR9GU= golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM= golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE= -gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/constraint/vendor/github.com/go-openapi/spec/ref.go b/constraint/vendor/github.com/go-openapi/spec/ref.go index 08ff869b2..1f31a9ead 100644 --- a/constraint/vendor/github.com/go-openapi/spec/ref.go +++ b/constraint/vendor/github.com/go-openapi/spec/ref.go @@ -68,10 +68,12 @@ func (r *Ref) IsValidURI(basepaths ...string) bool { } if r.HasFullURL { + //#nosec rr, err := http.Get(v) if err != nil { return false } + defer rr.Body.Close() return rr.StatusCode/100 == 2 } diff --git a/constraint/vendor/github.com/go-openapi/spec/schema_loader.go b/constraint/vendor/github.com/go-openapi/spec/schema_loader.go index 9e20e96c2..961d47757 100644 --- a/constraint/vendor/github.com/go-openapi/spec/schema_loader.go +++ b/constraint/vendor/github.com/go-openapi/spec/schema_loader.go @@ -86,12 +86,7 @@ func (r *schemaLoader) transitiveResolver(basePath string, ref Ref) (*schemaLoad newOptions := r.options newOptions.RelativeBase = rootURL.String() debugLog("setting new root: %s", newOptions.RelativeBase) - resolver, err := defaultSchemaLoader(root, newOptions, r.cache, r.context) - if err != nil { - return nil, err - } - - return resolver, nil + return defaultSchemaLoader(root, newOptions, r.cache, r.context) } func (r *schemaLoader) updateBasePath(transitive *schemaLoader, basePath string) string { diff --git a/constraint/vendor/github.com/go-openapi/strfmt/.editorconfig b/constraint/vendor/github.com/go-openapi/strfmt/.editorconfig deleted file mode 100644 index 3152da69a..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/.editorconfig +++ /dev/null @@ -1,26 +0,0 @@ -# top-most EditorConfig file -root = true - -# Unix-style newlines with a newline ending every file -[*] -end_of_line = lf -insert_final_newline = true -indent_style = space -indent_size = 2 -trim_trailing_whitespace = true - -# Set default charset -[*.{js,py,go,scala,rb,java,html,css,less,sass,md}] -charset = utf-8 - -# Tab indentation (no size specified) -[*.go] -indent_style = tab - -[*.md] -trim_trailing_whitespace = false - -# Matches the exact files either package.json or .travis.yml -[{package.json,.travis.yml}] -indent_style = space -indent_size = 2 diff --git a/constraint/vendor/github.com/go-openapi/strfmt/.golangci.yml b/constraint/vendor/github.com/go-openapi/strfmt/.golangci.yml deleted file mode 100644 index f260ce7e5..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/.golangci.yml +++ /dev/null @@ -1,30 +0,0 @@ -linters-settings: - govet: - check-shadowing: true - golint: - min-confidence: 0 - gocyclo: - min-complexity: 31 - maligned: - suggest-new: true - dupl: - threshold: 100 - goconst: - min-len: 2 - min-occurrences: 4 - -linters: - enable-all: true - disable: - - maligned - - lll - - gochecknoinits - - gochecknoglobals - -issues: - exclude-rules: - - path: bson.go - text: "should be .*ObjectID" - linters: - - golint - diff --git a/constraint/vendor/github.com/go-openapi/strfmt/.travis.yml b/constraint/vendor/github.com/go-openapi/strfmt/.travis.yml deleted file mode 100644 index eb962aebc..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/.travis.yml +++ /dev/null @@ -1,15 +0,0 @@ -after_success: -- bash <(curl -s https://codecov.io/bash) -go: -- 1.11.x -- 1.12.x -install: -- GO111MODULE=off go get -u gotest.tools/gotestsum -language: go -env: -- GO111MODULE=on -notifications: - slack: - secure: 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 -script: -- gotestsum -f short-verbose -- -race -coverprofile=coverage.txt -covermode=atomic ./... diff --git a/constraint/vendor/github.com/go-openapi/strfmt/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/go-openapi/strfmt/CODE_OF_CONDUCT.md deleted file mode 100644 index 9322b065e..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/CODE_OF_CONDUCT.md +++ /dev/null @@ -1,74 +0,0 @@ -# Contributor Covenant Code of Conduct - -## Our Pledge - -In the interest of fostering an open and welcoming environment, we as -contributors and maintainers pledge to making participation in our project and -our community a harassment-free experience for everyone, regardless of age, body -size, disability, ethnicity, gender identity and expression, level of experience, -nationality, personal appearance, race, religion, or sexual identity and -orientation. - -## Our Standards - -Examples of behavior that contributes to creating a positive environment -include: - -* Using welcoming and inclusive language -* Being respectful of differing viewpoints and experiences -* Gracefully accepting constructive criticism -* Focusing on what is best for the community -* Showing empathy towards other community members - -Examples of unacceptable behavior by participants include: - -* The use of sexualized language or imagery and unwelcome sexual attention or -advances -* Trolling, insulting/derogatory comments, and personal or political attacks -* Public or private harassment -* Publishing others' private information, such as a physical or electronic - address, without explicit permission -* Other conduct which could reasonably be considered inappropriate in a - professional setting - -## Our Responsibilities - -Project maintainers are responsible for clarifying the standards of acceptable -behavior and are expected to take appropriate and fair corrective action in -response to any instances of unacceptable behavior. - -Project maintainers have the right and responsibility to remove, edit, or -reject comments, commits, code, wiki edits, issues, and other contributions -that are not aligned to this Code of Conduct, or to ban temporarily or -permanently any contributor for other behaviors that they deem inappropriate, -threatening, offensive, or harmful. - -## Scope - -This Code of Conduct applies both within project spaces and in public spaces -when an individual is representing the project or its community. Examples of -representing a project or community include using an official project e-mail -address, posting via an official social media account, or acting as an appointed -representative at an online or offline event. Representation of a project may be -further defined and clarified by project maintainers. - -## Enforcement - -Instances of abusive, harassing, or otherwise unacceptable behavior may be -reported by contacting the project team at ivan+abuse@flanders.co.nz. All -complaints will be reviewed and investigated and will result in a response that -is deemed necessary and appropriate to the circumstances. The project team is -obligated to maintain confidentiality with regard to the reporter of an incident. -Further details of specific enforcement policies may be posted separately. - -Project maintainers who do not follow or enforce the Code of Conduct in good -faith may face temporary or permanent repercussions as determined by other -members of the project's leadership. - -## Attribution - -This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, -available at [http://contributor-covenant.org/version/1/4][version] - -[homepage]: http://contributor-covenant.org -[version]: http://contributor-covenant.org/version/1/4/ diff --git a/constraint/vendor/github.com/go-openapi/strfmt/README.md b/constraint/vendor/github.com/go-openapi/strfmt/README.md deleted file mode 100644 index 87357cd02..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/README.md +++ /dev/null @@ -1,73 +0,0 @@ -# Strfmt [![Build Status](https://travis-ci.org/go-openapi/strfmt.svg?branch=master)](https://travis-ci.org/go-openapi/strfmt) [![codecov](https://codecov.io/gh/go-openapi/strfmt/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/strfmt) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) - -[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/strfmt/master/LICENSE) -[![GoDoc](https://godoc.org/github.com/go-openapi/strfmt?status.svg)](http://godoc.org/github.com/go-openapi/strfmt) -[![GolangCI](https://golangci.com/badges/github.com/go-openapi/strfmt.svg)](https://golangci.com) -[![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/strfmt)](https://goreportcard.com/report/github.com/go-openapi/strfmt) - -This package exposes a registry of data types to support string formats in the go-openapi toolkit. - -strfmt represents a well known string format such as credit card or email. The go toolkit for OpenAPI specifications knows how to deal with those. - -## Supported data formats -go-openapi/strfmt follows the swagger 2.0 specification with the following formats -defined [here](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#data-types). - -It also provides convenient extensions to go-openapi users. - -- [x] JSON-schema draft 4 formats - - date-time - - email - - hostname - - ipv4 - - ipv6 - - uri -- [x] swagger 2.0 format extensions - - binary - - byte (e.g. base64 encoded string) - - date (e.g. "1970-01-01") - - password -- [x] go-openapi custom format extensions - - bsonobjectid (BSON objectID) - - creditcard - - duration (e.g. "3 weeks", "1ms") - - hexcolor (e.g. "#FFFFFF") - - isbn, isbn10, isbn13 - - mac (e.g "01:02:03:04:05:06") - - rgbcolor (e.g. "rgb(100,100,100)") - - ssn - - uuid, uuid3, uuid4, uuid5 - - cidr (e.g. "192.0.2.1/24", "2001:db8:a0b:12f0::1/32") - -> NOTE: as the name stands for, this package is intended to support string formatting only. -> It does not provide validation for numerical values with swagger format extension for JSON types "number" or -> "integer" (e.g. float, double, int32...). - -## Format types -Types defined in strfmt expose marshaling and validation capabilities. - -List of defined types: -- Base64 -- CreditCard -- Date -- DateTime -- Duration -- Email -- HexColor -- Hostname -- IPv4 -- IPv6 -- CIDR -- ISBN -- ISBN10 -- ISBN13 -- MAC -- ObjectId -- Password -- RGBColor -- SSN -- URI -- UUID -- UUID3 -- UUID4 -- UUID5 diff --git a/constraint/vendor/github.com/go-openapi/strfmt/go.mod b/constraint/vendor/github.com/go-openapi/strfmt/go.mod deleted file mode 100644 index 78c8489b2..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/go.mod +++ /dev/null @@ -1,13 +0,0 @@ -module github.com/go-openapi/strfmt - -require ( - github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a - github.com/go-openapi/errors v0.19.2 - github.com/go-stack/stack v1.8.0 // indirect - github.com/google/go-cmp v0.3.0 // indirect - github.com/google/uuid v1.1.1 - github.com/mitchellh/mapstructure v1.1.2 - github.com/stretchr/testify v1.3.0 - github.com/tidwall/pretty v1.0.0 // indirect - go.mongodb.org/mongo-driver v1.0.3 -) diff --git a/constraint/vendor/github.com/go-openapi/strfmt/go.sum b/constraint/vendor/github.com/go-openapi/strfmt/go.sum deleted file mode 100644 index e53dd37c1..000000000 --- a/constraint/vendor/github.com/go-openapi/strfmt/go.sum +++ /dev/null @@ -1,25 +0,0 @@ -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/go-openapi/errors v0.19.2 h1:a2kIyV3w+OS3S97zxUndRVD46+FhGOUBDFY7nmu4CsY= -github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94= -github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk= -github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= -github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY= -github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY= -github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE= -github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y= -github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= -github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE= -github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= -github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4= -github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= -go.mongodb.org/mongo-driver v1.0.3 h1:GKoji1ld3tw2aC+GX1wbr/J2fX13yNacEYoJ8Nhr0yU= -go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM= diff --git a/constraint/vendor/github.com/go-openapi/validate/.editorconfig b/constraint/vendor/github.com/go-openapi/validate/.editorconfig deleted file mode 100644 index 3152da69a..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/.editorconfig +++ /dev/null @@ -1,26 +0,0 @@ -# top-most EditorConfig file -root = true - -# Unix-style newlines with a newline ending every file -[*] -end_of_line = lf -insert_final_newline = true -indent_style = space -indent_size = 2 -trim_trailing_whitespace = true - -# Set default charset -[*.{js,py,go,scala,rb,java,html,css,less,sass,md}] -charset = utf-8 - -# Tab indentation (no size specified) -[*.go] -indent_style = tab - -[*.md] -trim_trailing_whitespace = false - -# Matches the exact files either package.json or .travis.yml -[{package.json,.travis.yml}] -indent_style = space -indent_size = 2 diff --git a/constraint/vendor/github.com/go-openapi/validate/.golangci.yml b/constraint/vendor/github.com/go-openapi/validate/.golangci.yml deleted file mode 100644 index dc8178c80..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/.golangci.yml +++ /dev/null @@ -1,28 +0,0 @@ -linters-settings: - govet: - check-shadowing: true - golint: - min-confidence: 0 - gocyclo: - min-complexity: 50 - maligned: - suggest-new: true - dupl: - threshold: 100 - goconst: - min-len: 2 - min-occurrences: 3 - -linters: - enable-all: true - disable: - - maligned - - lll - - godox - - gocognit - - whitespace - - wsl - - funlen - - gochecknoglobals - - gochecknoinits - - scopelint diff --git a/constraint/vendor/github.com/go-openapi/validate/.travis.yml b/constraint/vendor/github.com/go-openapi/validate/.travis.yml deleted file mode 100644 index dd3a4b29f..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/.travis.yml +++ /dev/null @@ -1,19 +0,0 @@ -after_success: -- bash <(curl -s https://codecov.io/bash) -go: -- 1.11.x -- 1.12.x -install: -- GO111MODULE=off go get -u gotest.tools/gotestsum -env: -- GO111MODULE=on -language: go -notifications: - slack: - secure: 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 -script: -- gotestsum -f short-verbose -- -race ./... -- gotestsum -f short-verbose -- -timeout=20m -coverprofile=coverage.txt -covermode=atomic -args -enable-long ./... -- gotestsum -f short-verbose -- -timeout=30m -args -enable-go-swagger ./... -- go get -u github.com/go-openapi/runtime@master -- gotestsum -f short-verbose -- -timeout=30m github.com/go-openapi/runtime/... diff --git a/constraint/vendor/github.com/go-openapi/validate/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/go-openapi/validate/CODE_OF_CONDUCT.md deleted file mode 100644 index 9322b065e..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/CODE_OF_CONDUCT.md +++ /dev/null @@ -1,74 +0,0 @@ -# Contributor Covenant Code of Conduct - -## Our Pledge - -In the interest of fostering an open and welcoming environment, we as -contributors and maintainers pledge to making participation in our project and -our community a harassment-free experience for everyone, regardless of age, body -size, disability, ethnicity, gender identity and expression, level of experience, -nationality, personal appearance, race, religion, or sexual identity and -orientation. - -## Our Standards - -Examples of behavior that contributes to creating a positive environment -include: - -* Using welcoming and inclusive language -* Being respectful of differing viewpoints and experiences -* Gracefully accepting constructive criticism -* Focusing on what is best for the community -* Showing empathy towards other community members - -Examples of unacceptable behavior by participants include: - -* The use of sexualized language or imagery and unwelcome sexual attention or -advances -* Trolling, insulting/derogatory comments, and personal or political attacks -* Public or private harassment -* Publishing others' private information, such as a physical or electronic - address, without explicit permission -* Other conduct which could reasonably be considered inappropriate in a - professional setting - -## Our Responsibilities - -Project maintainers are responsible for clarifying the standards of acceptable -behavior and are expected to take appropriate and fair corrective action in -response to any instances of unacceptable behavior. - -Project maintainers have the right and responsibility to remove, edit, or -reject comments, commits, code, wiki edits, issues, and other contributions -that are not aligned to this Code of Conduct, or to ban temporarily or -permanently any contributor for other behaviors that they deem inappropriate, -threatening, offensive, or harmful. - -## Scope - -This Code of Conduct applies both within project spaces and in public spaces -when an individual is representing the project or its community. Examples of -representing a project or community include using an official project e-mail -address, posting via an official social media account, or acting as an appointed -representative at an online or offline event. Representation of a project may be -further defined and clarified by project maintainers. - -## Enforcement - -Instances of abusive, harassing, or otherwise unacceptable behavior may be -reported by contacting the project team at ivan+abuse@flanders.co.nz. All -complaints will be reviewed and investigated and will result in a response that -is deemed necessary and appropriate to the circumstances. The project team is -obligated to maintain confidentiality with regard to the reporter of an incident. -Further details of specific enforcement policies may be posted separately. - -Project maintainers who do not follow or enforce the Code of Conduct in good -faith may face temporary or permanent repercussions as determined by other -members of the project's leadership. - -## Attribution - -This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, -available at [http://contributor-covenant.org/version/1/4][version] - -[homepage]: http://contributor-covenant.org -[version]: http://contributor-covenant.org/version/1/4/ diff --git a/constraint/vendor/github.com/go-openapi/validate/README.md b/constraint/vendor/github.com/go-openapi/validate/README.md deleted file mode 100644 index 08fb352bc..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/README.md +++ /dev/null @@ -1,6 +0,0 @@ -# Validation helpers [![Build Status](https://travis-ci.org/go-openapi/validate.svg?branch=master)](https://travis-ci.org/go-openapi/validate) [![codecov](https://codecov.io/gh/go-openapi/validate/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/validate) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) - -[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/validate/master/LICENSE) -[![GoDoc](https://godoc.org/github.com/go-openapi/validate?status.svg)](http://godoc.org/github.com/go-openapi/validate) -[![GolangCI](https://golangci.com/badges/github.com/go-openapi/validate.svg)](https://golangci.com) -[![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/validate)](https://goreportcard.com/report/github.com/go-openapi/validate) diff --git a/constraint/vendor/github.com/go-openapi/validate/default_validator.go b/constraint/vendor/github.com/go-openapi/validate/default_validator.go deleted file mode 100644 index 26d54b7c2..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/default_validator.go +++ /dev/null @@ -1,281 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -import ( - "fmt" - "strings" - - "github.com/go-openapi/spec" -) - -// defaultValidator validates default values in a spec. -// According to Swagger spec, default values MUST validate their schema. -type defaultValidator struct { - SpecValidator *SpecValidator - visitedSchemas map[string]bool -} - -// resetVisited resets the internal state of visited schemas -func (d *defaultValidator) resetVisited() { - d.visitedSchemas = map[string]bool{} -} - -func isVisited(path string, visitedSchemas map[string]bool) bool { - found := visitedSchemas[path] - if !found { - // search for overlapping paths - frags := strings.Split(path, ".") - if len(frags) < 2 { - // shortcut exit on smaller paths - return found - } - last := len(frags) - 1 - var currentFragStr, parent string - for i := range frags { - if i == 0 { - currentFragStr = frags[last] - } else { - currentFragStr = strings.Join([]string{frags[last-i], currentFragStr}, ".") - } - if i < last { - parent = strings.Join(frags[0:last-i], ".") - } else { - parent = "" - } - if strings.HasSuffix(parent, currentFragStr) { - found = true - break - } - } - } - return found -} - -// beingVisited asserts a schema is being visited -func (d *defaultValidator) beingVisited(path string) { - d.visitedSchemas[path] = true -} - -// isVisited tells if a path has already been visited -func (d *defaultValidator) isVisited(path string) bool { - return isVisited(path, d.visitedSchemas) -} - -// Validate validates the default values declared in the swagger spec -func (d *defaultValidator) Validate() (errs *Result) { - errs = new(Result) - if d == nil || d.SpecValidator == nil { - return errs - } - d.resetVisited() - errs.Merge(d.validateDefaultValueValidAgainstSchema()) // error - - return errs -} - -func (d *defaultValidator) validateDefaultValueValidAgainstSchema() *Result { - // every default value that is specified must validate against the schema for that property - // headers, items, parameters, schema - - res := new(Result) - s := d.SpecValidator - - for method, pathItem := range s.analyzer.Operations() { - for path, op := range pathItem { - // parameters - for _, param := range paramHelp.safeExpandedParamsFor(path, method, op.ID, res, s) { - if param.Default != nil && param.Required { - res.AddWarnings(requiredHasDefaultMsg(param.Name, param.In)) - } - - // reset explored schemas to get depth-first recursive-proof exploration - d.resetVisited() - - // Check simple parameters first - // default values provided must validate against their inline definition (no explicit schema) - if param.Default != nil && param.Schema == nil { - // check param default value is valid - red := NewParamValidator(¶m, s.KnownFormats).Validate(param.Default) - if red.HasErrorsOrWarnings() { - res.AddErrors(defaultValueDoesNotValidateMsg(param.Name, param.In)) - res.Merge(red) - } - } - - // Recursively follows Items and Schemas - if param.Items != nil { - red := d.validateDefaultValueItemsAgainstSchema(param.Name, param.In, ¶m, param.Items) - if red.HasErrorsOrWarnings() { - res.AddErrors(defaultValueItemsDoesNotValidateMsg(param.Name, param.In)) - res.Merge(red) - } - } - - if param.Schema != nil { - // Validate default value against schema - red := d.validateDefaultValueSchemaAgainstSchema(param.Name, param.In, param.Schema) - if red.HasErrorsOrWarnings() { - res.AddErrors(defaultValueDoesNotValidateMsg(param.Name, param.In)) - res.Merge(red) - } - } - } - - if op.Responses != nil { - if op.Responses.Default != nil { - // Same constraint on default Response - res.Merge(d.validateDefaultInResponse(op.Responses.Default, jsonDefault, path, 0, op.ID)) - } - // Same constraint on regular Responses - if op.Responses.StatusCodeResponses != nil { // Safeguard - for code, r := range op.Responses.StatusCodeResponses { - res.Merge(d.validateDefaultInResponse(&r, "response", path, code, op.ID)) - } - } - } else if op.ID != "" { - // Empty op.ID means there is no meaningful operation: no need to report a specific message - res.AddErrors(noValidResponseMsg(op.ID)) - } - } - } - if s.spec.Spec().Definitions != nil { // Safeguard - // reset explored schemas to get depth-first recursive-proof exploration - d.resetVisited() - for nm, sch := range s.spec.Spec().Definitions { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(fmt.Sprintf("definitions.%s", nm), "body", &sch)) - } - } - return res -} - -func (d *defaultValidator) validateDefaultInResponse(resp *spec.Response, responseType, path string, responseCode int, operationID string) *Result { - s := d.SpecValidator - - response, res := responseHelp.expandResponseRef(resp, path, s) - if !res.IsValid() { - return res - } - - responseName, responseCodeAsStr := responseHelp.responseMsgVariants(responseType, responseCode) - - // nolint: dupl - if response.Headers != nil { // Safeguard - for nm, h := range response.Headers { - // reset explored schemas to get depth-first recursive-proof exploration - d.resetVisited() - - if h.Default != nil { - red := NewHeaderValidator(nm, &h, s.KnownFormats).Validate(h.Default) - if red.HasErrorsOrWarnings() { - res.AddErrors(defaultValueHeaderDoesNotValidateMsg(operationID, nm, responseName)) - res.Merge(red) - } - } - - // Headers have inline definition, like params - if h.Items != nil { - red := d.validateDefaultValueItemsAgainstSchema(nm, "header", &h, h.Items) - if red.HasErrorsOrWarnings() { - res.AddErrors(defaultValueHeaderItemsDoesNotValidateMsg(operationID, nm, responseName)) - res.Merge(red) - } - } - - if _, err := compileRegexp(h.Pattern); err != nil { - res.AddErrors(invalidPatternInHeaderMsg(operationID, nm, responseName, h.Pattern, err)) - } - - // Headers don't have schema - } - } - if response.Schema != nil { - // reset explored schemas to get depth-first recursive-proof exploration - d.resetVisited() - - red := d.validateDefaultValueSchemaAgainstSchema(responseCodeAsStr, "response", response.Schema) - if red.HasErrorsOrWarnings() { - // Additional message to make sure the context of the error is not lost - res.AddErrors(defaultValueInDoesNotValidateMsg(operationID, responseName)) - res.Merge(red) - } - } - return res -} - -func (d *defaultValidator) validateDefaultValueSchemaAgainstSchema(path, in string, schema *spec.Schema) *Result { - if schema == nil || d.isVisited(path) { - // Avoids recursing if we are already done with that check - return nil - } - d.beingVisited(path) - res := new(Result) - s := d.SpecValidator - - if schema.Default != nil { - res.Merge(NewSchemaValidator(schema, s.spec.Spec(), path+".default", s.KnownFormats, SwaggerSchema(true)).Validate(schema.Default)) - } - if schema.Items != nil { - if schema.Items.Schema != nil { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(path+".items.default", in, schema.Items.Schema)) - } - // Multiple schemas in items - if schema.Items.Schemas != nil { // Safeguard - for i, sch := range schema.Items.Schemas { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(fmt.Sprintf("%s.items[%d].default", path, i), in, &sch)) - } - } - } - if _, err := compileRegexp(schema.Pattern); err != nil { - res.AddErrors(invalidPatternInMsg(path, in, schema.Pattern)) - } - if schema.AdditionalItems != nil && schema.AdditionalItems.Schema != nil { - // NOTE: we keep validating values, even though additionalItems is not supported by Swagger 2.0 (and 3.0 as well) - res.Merge(d.validateDefaultValueSchemaAgainstSchema(fmt.Sprintf("%s.additionalItems", path), in, schema.AdditionalItems.Schema)) - } - for propName, prop := range schema.Properties { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(path+"."+propName, in, &prop)) - } - for propName, prop := range schema.PatternProperties { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(path+"."+propName, in, &prop)) - } - if schema.AdditionalProperties != nil && schema.AdditionalProperties.Schema != nil { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(fmt.Sprintf("%s.additionalProperties", path), in, schema.AdditionalProperties.Schema)) - } - if schema.AllOf != nil { - for i, aoSch := range schema.AllOf { - res.Merge(d.validateDefaultValueSchemaAgainstSchema(fmt.Sprintf("%s.allOf[%d]", path, i), in, &aoSch)) - } - } - return res -} - -// TODO: Temporary duplicated code. Need to refactor with examples -// nolint: dupl -func (d *defaultValidator) validateDefaultValueItemsAgainstSchema(path, in string, root interface{}, items *spec.Items) *Result { - res := new(Result) - s := d.SpecValidator - if items != nil { - if items.Default != nil { - res.Merge(newItemsValidator(path, in, items, root, s.KnownFormats).Validate(0, items.Default)) - } - if items.Items != nil { - res.Merge(d.validateDefaultValueItemsAgainstSchema(path+"[0].default", in, root, items.Items)) - } - if _, err := compileRegexp(items.Pattern); err != nil { - res.AddErrors(invalidPatternInMsg(path, in, items.Pattern)) - } - } - return res -} diff --git a/constraint/vendor/github.com/go-openapi/validate/doc.go b/constraint/vendor/github.com/go-openapi/validate/doc.go deleted file mode 100644 index f5ca9a5d5..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/doc.go +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/* -Package validate provides methods to validate a swagger specification, -as well as tools to validate data against their schema. - -This package follows Swagger 2.0. specification (aka OpenAPI 2.0). Reference -can be found here: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md. - -Validating a specification - -Validates a spec document (from JSON or YAML) against the JSON schema for swagger, -then checks a number of extra rules that can't be expressed in JSON schema. - -Entry points: - - Spec() - - NewSpecValidator() - - SpecValidator.Validate() - -Reported as errors: - [x] definition can't declare a property that's already defined by one of its ancestors - [x] definition's ancestor can't be a descendant of the same model - [x] path uniqueness: each api path should be non-verbatim (account for path param names) unique per method - [x] each security reference should contain only unique scopes - [x] each security scope in a security definition should be unique - [x] parameters in path must be unique - [x] each path parameter must correspond to a parameter placeholder and vice versa - [x] each referenceable definition must have references - [x] each definition property listed in the required array must be defined in the properties of the model - [x] each parameter should have a unique `name` and `type` combination - [x] each operation should have only 1 parameter of type body - [x] each reference must point to a valid object - [x] every default value that is specified must validate against the schema for that property - [x] items property is required for all schemas/definitions of type `array` - [x] path parameters must be declared a required - [x] headers must not contain $ref - [x] schema and property examples provided must validate against their respective object's schema - [x] examples provided must validate their schema - -Reported as warnings: - [x] path parameters should not contain any of [{,},\w] - [x] empty path - [x] unused definitions - [x] unsupported validation of examples on non-JSON media types - [x] examples in response without schema - [x] readOnly properties should not be required - -Validating a schema - -The schema validation toolkit validates data against JSON-schema-draft 04 schema. - -It is tested against the full json-schema-testing-suite (https://github.com/json-schema-org/JSON-Schema-Test-Suite), -except for the optional part (bignum, ECMA regexp, ...). - -It supports the complete JSON-schema vocabulary, including keywords not supported by Swagger (e.g. additionalItems, ...) - -Entry points: - - AgainstSchema() - - ... - -Known limitations - -With the current version of this package, the following aspects of swagger are not yet supported: - [ ] errors and warnings are not reported with key/line number in spec - [ ] default values and examples on responses only support application/json producer type - [ ] invalid numeric constraints (such as Minimum, etc..) are not checked except for default and example values - [ ] rules for collectionFormat are not implemented - [ ] no validation rule for polymorphism support (discriminator) [not done here] - [ ] valid js ECMA regexp not supported by Go regexp engine are considered invalid - [ ] arbitrary large numbers are not supported: max is math.MaxFloat64 - -*/ -package validate diff --git a/constraint/vendor/github.com/go-openapi/validate/example_validator.go b/constraint/vendor/github.com/go-openapi/validate/example_validator.go deleted file mode 100644 index 130359175..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/example_validator.go +++ /dev/null @@ -1,270 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -import ( - "fmt" - - "github.com/go-openapi/spec" -) - -// ExampleValidator validates example values defined in a spec -type exampleValidator struct { - SpecValidator *SpecValidator - visitedSchemas map[string]bool -} - -// resetVisited resets the internal state of visited schemas -func (ex *exampleValidator) resetVisited() { - ex.visitedSchemas = map[string]bool{} -} - -// beingVisited asserts a schema is being visited -func (ex *exampleValidator) beingVisited(path string) { - ex.visitedSchemas[path] = true -} - -// isVisited tells if a path has already been visited -func (ex *exampleValidator) isVisited(path string) bool { - return isVisited(path, ex.visitedSchemas) -} - -// Validate validates the example values declared in the swagger spec -// Example values MUST conform to their schema. -// -// With Swagger 2.0, examples are supported in: -// - schemas -// - individual property -// - responses -// -func (ex *exampleValidator) Validate() (errs *Result) { - errs = new(Result) - if ex == nil || ex.SpecValidator == nil { - return errs - } - ex.resetVisited() - errs.Merge(ex.validateExampleValueValidAgainstSchema()) // error - - - return errs -} - -func (ex *exampleValidator) validateExampleValueValidAgainstSchema() *Result { - // every example value that is specified must validate against the schema for that property - // in: schemas, properties, object, items - // not in: headers, parameters without schema - - res := new(Result) - s := ex.SpecValidator - - for method, pathItem := range s.analyzer.Operations() { - for path, op := range pathItem { - // parameters - for _, param := range paramHelp.safeExpandedParamsFor(path, method, op.ID, res, s) { - - // As of swagger 2.0, Examples are not supported in simple parameters - // However, it looks like it is supported by go-openapi - - // reset explored schemas to get depth-first recursive-proof exploration - ex.resetVisited() - - // Check simple parameters first - // default values provided must validate against their inline definition (no explicit schema) - if param.Example != nil && param.Schema == nil { - // check param default value is valid - red := NewParamValidator(¶m, s.KnownFormats).Validate(param.Example) - if red.HasErrorsOrWarnings() { - res.AddWarnings(exampleValueDoesNotValidateMsg(param.Name, param.In)) - res.MergeAsWarnings(red) - } - } - - // Recursively follows Items and Schemas - if param.Items != nil { - red := ex.validateExampleValueItemsAgainstSchema(param.Name, param.In, ¶m, param.Items) - if red.HasErrorsOrWarnings() { - res.AddWarnings(exampleValueItemsDoesNotValidateMsg(param.Name, param.In)) - res.Merge(red) - } - } - - if param.Schema != nil { - // Validate example value against schema - red := ex.validateExampleValueSchemaAgainstSchema(param.Name, param.In, param.Schema) - if red.HasErrorsOrWarnings() { - res.AddWarnings(exampleValueDoesNotValidateMsg(param.Name, param.In)) - res.Merge(red) - } - } - } - - if op.Responses != nil { - if op.Responses.Default != nil { - // Same constraint on default Response - res.Merge(ex.validateExampleInResponse(op.Responses.Default, jsonDefault, path, 0, op.ID)) - } - // Same constraint on regular Responses - if op.Responses.StatusCodeResponses != nil { // Safeguard - for code, r := range op.Responses.StatusCodeResponses { - res.Merge(ex.validateExampleInResponse(&r, "response", path, code, op.ID)) - } - } - } else if op.ID != "" { - // Empty op.ID means there is no meaningful operation: no need to report a specific message - res.AddErrors(noValidResponseMsg(op.ID)) - } - } - } - if s.spec.Spec().Definitions != nil { // Safeguard - // reset explored schemas to get depth-first recursive-proof exploration - ex.resetVisited() - for nm, sch := range s.spec.Spec().Definitions { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(fmt.Sprintf("definitions.%s", nm), "body", &sch)) - } - } - return res -} - -func (ex *exampleValidator) validateExampleInResponse(resp *spec.Response, responseType, path string, responseCode int, operationID string) *Result { - s := ex.SpecValidator - - response, res := responseHelp.expandResponseRef(resp, path, s) - if !res.IsValid() { // Safeguard - return res - } - - responseName, responseCodeAsStr := responseHelp.responseMsgVariants(responseType, responseCode) - - // nolint: dupl - if response.Headers != nil { // Safeguard - for nm, h := range response.Headers { - // reset explored schemas to get depth-first recursive-proof exploration - ex.resetVisited() - - if h.Example != nil { - red := NewHeaderValidator(nm, &h, s.KnownFormats).Validate(h.Example) - if red.HasErrorsOrWarnings() { - res.AddWarnings(exampleValueHeaderDoesNotValidateMsg(operationID, nm, responseName)) - res.MergeAsWarnings(red) - } - } - - // Headers have inline definition, like params - if h.Items != nil { - red := ex.validateExampleValueItemsAgainstSchema(nm, "header", &h, h.Items) - if red.HasErrorsOrWarnings() { - res.AddWarnings(exampleValueHeaderItemsDoesNotValidateMsg(operationID, nm, responseName)) - res.MergeAsWarnings(red) - } - } - - if _, err := compileRegexp(h.Pattern); err != nil { - res.AddErrors(invalidPatternInHeaderMsg(operationID, nm, responseName, h.Pattern, err)) - } - - // Headers don't have schema - } - } - if response.Schema != nil { - // reset explored schemas to get depth-first recursive-proof exploration - ex.resetVisited() - - red := ex.validateExampleValueSchemaAgainstSchema(responseCodeAsStr, "response", response.Schema) - if red.HasErrorsOrWarnings() { - // Additional message to make sure the context of the error is not lost - res.AddWarnings(exampleValueInDoesNotValidateMsg(operationID, responseName)) - res.Merge(red) - } - } - - if response.Examples != nil { - if response.Schema != nil { - if example, ok := response.Examples["application/json"]; ok { - res.MergeAsWarnings(NewSchemaValidator(response.Schema, s.spec.Spec(), path+".examples", s.KnownFormats, SwaggerSchema(true)).Validate(example)) - } else { - // TODO: validate other media types too - res.AddWarnings(examplesMimeNotSupportedMsg(operationID, responseName)) - } - } else { - res.AddWarnings(examplesWithoutSchemaMsg(operationID, responseName)) - } - } - return res -} - -func (ex *exampleValidator) validateExampleValueSchemaAgainstSchema(path, in string, schema *spec.Schema) *Result { - if schema == nil || ex.isVisited(path) { - // Avoids recursing if we are already done with that check - return nil - } - ex.beingVisited(path) - s := ex.SpecValidator - res := new(Result) - - if schema.Example != nil { - res.MergeAsWarnings(NewSchemaValidator(schema, s.spec.Spec(), path+".example", s.KnownFormats, SwaggerSchema(true)).Validate(schema.Example)) - } - if schema.Items != nil { - if schema.Items.Schema != nil { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(path+".items.example", in, schema.Items.Schema)) - } - // Multiple schemas in items - if schema.Items.Schemas != nil { // Safeguard - for i, sch := range schema.Items.Schemas { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(fmt.Sprintf("%s.items[%d].example", path, i), in, &sch)) - } - } - } - if _, err := compileRegexp(schema.Pattern); err != nil { - res.AddErrors(invalidPatternInMsg(path, in, schema.Pattern)) - } - if schema.AdditionalItems != nil && schema.AdditionalItems.Schema != nil { - // NOTE: we keep validating values, even though additionalItems is unsupported in Swagger 2.0 (and 3.0 as well) - res.Merge(ex.validateExampleValueSchemaAgainstSchema(fmt.Sprintf("%s.additionalItems", path), in, schema.AdditionalItems.Schema)) - } - for propName, prop := range schema.Properties { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(path+"."+propName, in, &prop)) - } - for propName, prop := range schema.PatternProperties { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(path+"."+propName, in, &prop)) - } - if schema.AdditionalProperties != nil && schema.AdditionalProperties.Schema != nil { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(fmt.Sprintf("%s.additionalProperties", path), in, schema.AdditionalProperties.Schema)) - } - if schema.AllOf != nil { - for i, aoSch := range schema.AllOf { - res.Merge(ex.validateExampleValueSchemaAgainstSchema(fmt.Sprintf("%s.allOf[%d]", path, i), in, &aoSch)) - } - } - return res -} - -// TODO: Temporary duplicated code. Need to refactor with examples -// nolint: dupl -func (ex *exampleValidator) validateExampleValueItemsAgainstSchema(path, in string, root interface{}, items *spec.Items) *Result { - res := new(Result) - s := ex.SpecValidator - if items != nil { - if items.Example != nil { - res.MergeAsWarnings(newItemsValidator(path, in, items, root, s.KnownFormats).Validate(0, items.Example)) - } - if items.Items != nil { - res.Merge(ex.validateExampleValueItemsAgainstSchema(path+"[0].example", in, root, items.Items)) - } - if _, err := compileRegexp(items.Pattern); err != nil { - res.AddErrors(invalidPatternInMsg(path, in, items.Pattern)) - } - } - return res -} diff --git a/constraint/vendor/github.com/go-openapi/validate/go.mod b/constraint/vendor/github.com/go-openapi/validate/go.mod deleted file mode 100644 index 2d59ddbaf..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/go.mod +++ /dev/null @@ -1,20 +0,0 @@ -module github.com/go-openapi/validate - -require ( - github.com/go-openapi/analysis v0.19.5 - github.com/go-openapi/errors v0.19.2 - github.com/go-openapi/jsonpointer v0.19.3 - github.com/go-openapi/jsonreference v0.19.3 // indirect - github.com/go-openapi/loads v0.19.4 - github.com/go-openapi/runtime v0.19.4 - github.com/go-openapi/spec v0.19.3 - github.com/go-openapi/strfmt v0.19.3 - github.com/go-openapi/swag v0.19.5 - github.com/mailru/easyjson v0.7.0 // indirect - github.com/stretchr/testify v1.4.0 - github.com/vektah/gqlparser v1.1.2 - go.mongodb.org/mongo-driver v1.1.2 // indirect - gopkg.in/yaml.v2 v2.2.4 -) - -go 1.13 diff --git a/constraint/vendor/github.com/go-openapi/validate/go.sum b/constraint/vendor/github.com/go-openapi/validate/go.sum deleted file mode 100644 index 0e9c75c1f..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/go.sum +++ /dev/null @@ -1,156 +0,0 @@ -github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/agnivade/levenshtein v1.0.1 h1:3oJU7J3FGFmyhn8KHjmVaZCN5hxTr7GxgRue+sxIXdQ= -github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM= -github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8= -github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA= -github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod 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deleted file mode 100644 index 4b77a0004..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/helpers.go +++ /dev/null @@ -1,324 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -// TODO: define this as package validate/internal -// This must be done while keeping CI intact with all tests and test coverage - -import ( - "reflect" - "strconv" - "strings" - - "github.com/go-openapi/errors" - "github.com/go-openapi/spec" -) - -const ( - swaggerBody = "body" - swaggerExample = "example" - swaggerExamples = "examples" -) - -const ( - objectType = "object" - arrayType = "array" - stringType = "string" - integerType = "integer" - numberType = "number" - booleanType = "boolean" - fileType = "file" - nullType = "null" -) - -const ( - jsonProperties = "properties" - jsonItems = "items" - jsonType = "type" - //jsonSchema = "schema" - jsonDefault = "default" -) - -const ( - stringFormatDate = "date" - stringFormatDateTime = "date-time" - stringFormatPassword = "password" - stringFormatByte = "byte" - //stringFormatBinary = "binary" - stringFormatCreditCard = "creditcard" - stringFormatDuration = "duration" - stringFormatEmail = "email" - stringFormatHexColor = "hexcolor" - stringFormatHostname = "hostname" - stringFormatIPv4 = "ipv4" - stringFormatIPv6 = "ipv6" - stringFormatISBN = "isbn" - stringFormatISBN10 = "isbn10" - stringFormatISBN13 = "isbn13" - stringFormatMAC = "mac" - stringFormatBSONObjectID = "bsonobjectid" - stringFormatRGBColor = "rgbcolor" - stringFormatSSN = "ssn" - stringFormatURI = "uri" - stringFormatUUID = "uuid" - stringFormatUUID3 = "uuid3" - stringFormatUUID4 = "uuid4" - stringFormatUUID5 = "uuid5" - - integerFormatInt32 = "int32" - integerFormatInt64 = "int64" - integerFormatUInt32 = "uint32" - integerFormatUInt64 = "uint64" - - numberFormatFloat32 = "float32" - numberFormatFloat64 = "float64" - numberFormatFloat = "float" - numberFormatDouble = "double" -) - -// Helpers available at the package level -var ( - pathHelp *pathHelper - valueHelp *valueHelper - errorHelp *errorHelper - paramHelp *paramHelper - responseHelp *responseHelper -) - -type errorHelper struct { - // A collection of unexported helpers for error construction -} - -func (h *errorHelper) sErr(err errors.Error) *Result { - // Builds a Result from standard errors.Error - return &Result{Errors: []error{err}} -} - -func (h *errorHelper) addPointerError(res *Result, err error, ref string, fromPath string) *Result { - // Provides more context on error messages - // reported by the jsoinpointer package by altering the passed Result - if err != nil { - res.AddErrors(cannotResolveRefMsg(fromPath, ref, err)) - } - return res -} - -type pathHelper struct { - // A collection of unexported helpers for path validation -} - -func (h *pathHelper) stripParametersInPath(path string) string { - // Returns a path stripped from all path parameters, with multiple or trailing slashes removed. - // - // Stripping is performed on a slash-separated basis, e.g '/a{/b}' remains a{/b} and not /a. - // - Trailing "/" make a difference, e.g. /a/ !~ /a (ex: canary/bitbucket.org/swagger.json) - // - presence or absence of a parameter makes a difference, e.g. /a/{log} !~ /a/ (ex: canary/kubernetes/swagger.json) - - // Regexp to extract parameters from path, with surrounding {}. - // NOTE: important non-greedy modifier - rexParsePathParam := mustCompileRegexp(`{[^{}]+?}`) - strippedSegments := []string{} - - for _, segment := range strings.Split(path, "/") { - strippedSegments = append(strippedSegments, rexParsePathParam.ReplaceAllString(segment, "X")) - } - return strings.Join(strippedSegments, "/") -} - -func (h *pathHelper) extractPathParams(path string) (params []string) { - // Extracts all params from a path, with surrounding "{}" - rexParsePathParam := mustCompileRegexp(`{[^{}]+?}`) - - for _, segment := range strings.Split(path, "/") { - for _, v := range rexParsePathParam.FindAllStringSubmatch(segment, -1) { - params = append(params, v...) - } - } - return -} - -type valueHelper struct { - // A collection of unexported helpers for value validation -} - -func (h *valueHelper) asInt64(val interface{}) int64 { - // Number conversion function for int64, without error checking - // (implements an implicit type upgrade). - v := reflect.ValueOf(val) - switch v.Kind() { - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return v.Int() - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: - return int64(v.Uint()) - case reflect.Float32, reflect.Float64: - return int64(v.Float()) - default: - //panic("Non numeric value in asInt64()") - return 0 - } -} - -func (h *valueHelper) asUint64(val interface{}) uint64 { - // Number conversion function for uint64, without error checking - // (implements an implicit type upgrade). - v := reflect.ValueOf(val) - switch v.Kind() { - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return uint64(v.Int()) - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: - return v.Uint() - case reflect.Float32, reflect.Float64: - return uint64(v.Float()) - default: - //panic("Non numeric value in asUint64()") - return 0 - } -} - -// Same for unsigned floats -func (h *valueHelper) asFloat64(val interface{}) float64 { - // Number conversion function for float64, without error checking - // (implements an implicit type upgrade). - v := reflect.ValueOf(val) - switch v.Kind() { - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return float64(v.Int()) - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: - return float64(v.Uint()) - case reflect.Float32, reflect.Float64: - return v.Float() - default: - //panic("Non numeric value in asFloat64()") - return 0 - } -} - -type paramHelper struct { - // A collection of unexported helpers for parameters resolution -} - -func (h *paramHelper) safeExpandedParamsFor(path, method, operationID string, res *Result, s *SpecValidator) (params []spec.Parameter) { - operation, ok := s.analyzer.OperationFor(method, path) - if ok { - // expand parameters first if necessary - resolvedParams := []spec.Parameter{} - for _, ppr := range operation.Parameters { - resolvedParam, red := h.resolveParam(path, method, operationID, &ppr, s) - res.Merge(red) - if resolvedParam != nil { - resolvedParams = append(resolvedParams, *resolvedParam) - } - } - // remove params with invalid expansion from Slice - operation.Parameters = resolvedParams - - for _, ppr := range s.analyzer.SafeParamsFor(method, path, - func(p spec.Parameter, err error) bool { - // since params have already been expanded, there are few causes for error - res.AddErrors(someParametersBrokenMsg(path, method, operationID)) - // original error from analyzer - res.AddErrors(err) - return true - }) { - params = append(params, ppr) - } - } - return -} - -func (h *paramHelper) resolveParam(path, method, operationID string, param *spec.Parameter, s *SpecValidator) (*spec.Parameter, *Result) { - // Ensure parameter is expanded - var err error - res := new(Result) - isRef := param.Ref.String() != "" - if s.spec.SpecFilePath() == "" { - err = spec.ExpandParameterWithRoot(param, s.spec.Spec(), nil) - } else { - err = spec.ExpandParameter(param, s.spec.SpecFilePath()) - - } - if err != nil { // Safeguard - // NOTE: we may enter enter here when the whole parameter is an unresolved $ref - refPath := strings.Join([]string{"\"" + path + "\"", method}, ".") - errorHelp.addPointerError(res, err, param.Ref.String(), refPath) - return nil, res - } - res.Merge(h.checkExpandedParam(param, param.Name, param.In, operationID, isRef)) - return param, res -} - -func (h *paramHelper) checkExpandedParam(pr *spec.Parameter, path, in, operation string, isRef bool) *Result { - // Secure parameter structure after $ref resolution - res := new(Result) - simpleZero := spec.SimpleSchema{} - // Try to explain why... best guess - switch { - case pr.In == swaggerBody && (pr.SimpleSchema != simpleZero && pr.SimpleSchema.Type != objectType): - if isRef { - // Most likely, a $ref with a sibling is an unwanted situation: in itself this is a warning... - // but we detect it because of the following error: - // schema took over Parameter for an unexplained reason - res.AddWarnings(refShouldNotHaveSiblingsMsg(path, operation)) - } - res.AddErrors(invalidParameterDefinitionMsg(path, in, operation)) - case pr.In != swaggerBody && pr.Schema != nil: - if isRef { - res.AddWarnings(refShouldNotHaveSiblingsMsg(path, operation)) - } - res.AddErrors(invalidParameterDefinitionAsSchemaMsg(path, in, operation)) - case (pr.In == swaggerBody && pr.Schema == nil) || (pr.In != swaggerBody && pr.SimpleSchema == simpleZero): - // Other unexpected mishaps - res.AddErrors(invalidParameterDefinitionMsg(path, in, operation)) - } - return res -} - -type responseHelper struct { - // A collection of unexported helpers for response resolution -} - -func (r *responseHelper) expandResponseRef( - response *spec.Response, - path string, s *SpecValidator) (*spec.Response, *Result) { - // Ensure response is expanded - var err error - res := new(Result) - if s.spec.SpecFilePath() == "" { - // there is no physical document to resolve $ref in response - err = spec.ExpandResponseWithRoot(response, s.spec.Spec(), nil) - } else { - err = spec.ExpandResponse(response, s.spec.SpecFilePath()) - } - if err != nil { // Safeguard - // NOTE: we may enter here when the whole response is an unresolved $ref. - errorHelp.addPointerError(res, err, response.Ref.String(), path) - return nil, res - } - return response, res -} - -func (r *responseHelper) responseMsgVariants( - responseType string, - responseCode int) (responseName, responseCodeAsStr string) { - // Path variants for messages - if responseType == jsonDefault { - responseCodeAsStr = jsonDefault - responseName = "default response" - } else { - responseCodeAsStr = strconv.Itoa(responseCode) - responseName = "response " + responseCodeAsStr - } - return -} diff --git a/constraint/vendor/github.com/go-openapi/validate/result.go b/constraint/vendor/github.com/go-openapi/validate/result.go deleted file mode 100644 index 8f5f935e5..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/result.go +++ /dev/null @@ -1,486 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -import ( - "fmt" - "reflect" - "strings" - - "github.com/go-openapi/errors" - "github.com/go-openapi/spec" -) - -// Result represents a validation result set, composed of -// errors and warnings. -// -// It is used to keep track of all detected errors and warnings during -// the validation of a specification. -// -// Matchcount is used to determine -// which errors are relevant in the case of AnyOf, OneOf -// schema validation. Results from the validation branch -// with most matches get eventually selected. -// -// TODO: keep path of key originating the error -type Result struct { - Errors []error - Warnings []error - MatchCount int - - // the object data - data interface{} - - // Schemata for the root object - rootObjectSchemata schemata - // Schemata for object fields - fieldSchemata []fieldSchemata - // Schemata for slice items - itemSchemata []itemSchemata - - cachedFieldSchemta map[FieldKey][]*spec.Schema - cachedItemSchemata map[ItemKey][]*spec.Schema -} - -// FieldKey is a pair of an object and a field, usable as a key for a map. -type FieldKey struct { - object reflect.Value // actually a map[string]interface{}, but the latter cannot be a key - field string -} - -// ItemKey is a pair of a slice and an index, usable as a key for a map. -type ItemKey struct { - slice reflect.Value // actually a []interface{}, but the latter cannot be a key - index int -} - -// NewFieldKey returns a pair of an object and field usable as a key of a map. -func NewFieldKey(obj map[string]interface{}, field string) FieldKey { - return FieldKey{object: reflect.ValueOf(obj), field: field} -} - -// Object returns the underlying object of this key. -func (fk *FieldKey) Object() map[string]interface{} { - return fk.object.Interface().(map[string]interface{}) -} - -// Field returns the underlying field of this key. -func (fk *FieldKey) Field() string { - return fk.field -} - -// NewItemKey returns a pair of a slice and index usable as a key of a map. -func NewItemKey(slice interface{}, i int) ItemKey { - return ItemKey{slice: reflect.ValueOf(slice), index: i} -} - -// Slice returns the underlying slice of this key. -func (ik *ItemKey) Slice() []interface{} { - return ik.slice.Interface().([]interface{}) -} - -// Index returns the underlying index of this key. -func (ik *ItemKey) Index() int { - return ik.index -} - -type fieldSchemata struct { - obj map[string]interface{} - field string - schemata schemata -} - -type itemSchemata struct { - slice reflect.Value - index int - schemata schemata -} - -// Merge merges this result with the other one(s), preserving match counts etc. -func (r *Result) Merge(others ...*Result) *Result { - for _, other := range others { - if other == nil { - continue - } - r.mergeWithoutRootSchemata(other) - r.rootObjectSchemata.Append(other.rootObjectSchemata) - } - return r -} - -// Data returns the original data object used for validation. Mutating this renders -// the result invalid. -func (r *Result) Data() interface{} { - return r.data -} - -// RootObjectSchemata returns the schemata which apply to the root object. -func (r *Result) RootObjectSchemata() []*spec.Schema { - return r.rootObjectSchemata.Slice() -} - -// FieldSchemata returns the schemata which apply to fields in objects. -// nolint: dupl -func (r *Result) FieldSchemata() map[FieldKey][]*spec.Schema { - if r.cachedFieldSchemta != nil { - return r.cachedFieldSchemta - } - - ret := make(map[FieldKey][]*spec.Schema, len(r.fieldSchemata)) - for _, fs := range r.fieldSchemata { - key := NewFieldKey(fs.obj, fs.field) - if fs.schemata.one != nil { - ret[key] = append(ret[key], fs.schemata.one) - } else if len(fs.schemata.multiple) > 0 { - ret[key] = append(ret[key], fs.schemata.multiple...) - } - } - r.cachedFieldSchemta = ret - return ret -} - -// ItemSchemata returns the schemata which apply to items in slices. -// nolint: dupl -func (r *Result) ItemSchemata() map[ItemKey][]*spec.Schema { - if r.cachedItemSchemata != nil { - return r.cachedItemSchemata - } - - ret := make(map[ItemKey][]*spec.Schema, len(r.itemSchemata)) - for _, ss := range r.itemSchemata { - key := NewItemKey(ss.slice, ss.index) - if ss.schemata.one != nil { - ret[key] = append(ret[key], ss.schemata.one) - } else if len(ss.schemata.multiple) > 0 { - ret[key] = append(ret[key], ss.schemata.multiple...) - } - } - r.cachedItemSchemata = ret - return ret -} - -func (r *Result) resetCaches() { - r.cachedFieldSchemta = nil - r.cachedItemSchemata = nil -} - -// mergeForField merges other into r, assigning other's root schemata to the given Object and field name. -// nolint: unparam -func (r *Result) mergeForField(obj map[string]interface{}, field string, other *Result) *Result { - if other == nil { - return r - } - r.mergeWithoutRootSchemata(other) - - if other.rootObjectSchemata.Len() > 0 { - if r.fieldSchemata == nil { - r.fieldSchemata = make([]fieldSchemata, len(obj)) - } - r.fieldSchemata = append(r.fieldSchemata, fieldSchemata{ - obj: obj, - field: field, - schemata: other.rootObjectSchemata, - }) - } - - return r -} - -// mergeForSlice merges other into r, assigning other's root schemata to the given slice and index. -// nolint: unparam -func (r *Result) mergeForSlice(slice reflect.Value, i int, other *Result) *Result { - if other == nil { - return r - } - r.mergeWithoutRootSchemata(other) - - if other.rootObjectSchemata.Len() > 0 { - if r.itemSchemata == nil { - r.itemSchemata = make([]itemSchemata, slice.Len()) - } - r.itemSchemata = append(r.itemSchemata, itemSchemata{ - slice: slice, - index: i, - schemata: other.rootObjectSchemata, - }) - } - - return r -} - -// addRootObjectSchemata adds the given schemata for the root object of the result. -// The slice schemata might be reused. I.e. do not modify it after being added to a result. -func (r *Result) addRootObjectSchemata(s *spec.Schema) { - r.rootObjectSchemata.Append(schemata{one: s}) -} - -// addPropertySchemata adds the given schemata for the object and field. -// The slice schemata might be reused. I.e. do not modify it after being added to a result. -func (r *Result) addPropertySchemata(obj map[string]interface{}, fld string, schema *spec.Schema) { - if r.fieldSchemata == nil { - r.fieldSchemata = make([]fieldSchemata, 0, len(obj)) - } - r.fieldSchemata = append(r.fieldSchemata, fieldSchemata{obj: obj, field: fld, schemata: schemata{one: schema}}) -} - -/* -// addSliceSchemata adds the given schemata for the slice and index. -// The slice schemata might be reused. I.e. do not modify it after being added to a result. -func (r *Result) addSliceSchemata(slice reflect.Value, i int, schema *spec.Schema) { - if r.itemSchemata == nil { - r.itemSchemata = make([]itemSchemata, 0, slice.Len()) - } - r.itemSchemata = append(r.itemSchemata, itemSchemata{slice: slice, index: i, schemata: schemata{one: schema}}) -} -*/ - -// mergeWithoutRootSchemata merges other into r, ignoring the rootObject schemata. -func (r *Result) mergeWithoutRootSchemata(other *Result) { - r.resetCaches() - r.AddErrors(other.Errors...) - r.AddWarnings(other.Warnings...) - r.MatchCount += other.MatchCount - - if other.fieldSchemata != nil { - if r.fieldSchemata == nil { - r.fieldSchemata = other.fieldSchemata - } else { - r.fieldSchemata = append(r.fieldSchemata, other.fieldSchemata...) - } - } - - if other.itemSchemata != nil { - if r.itemSchemata == nil { - r.itemSchemata = other.itemSchemata - } else { - r.itemSchemata = append(r.itemSchemata, other.itemSchemata...) - } - } -} - -// MergeAsErrors merges this result with the other one(s), preserving match counts etc. -// -// Warnings from input are merged as Errors in the returned merged Result. -func (r *Result) MergeAsErrors(others ...*Result) *Result { - for _, other := range others { - if other != nil { - r.resetCaches() - r.AddErrors(other.Errors...) - r.AddErrors(other.Warnings...) - r.MatchCount += other.MatchCount - } - } - return r -} - -// MergeAsWarnings merges this result with the other one(s), preserving match counts etc. -// -// Errors from input are merged as Warnings in the returned merged Result. -func (r *Result) MergeAsWarnings(others ...*Result) *Result { - for _, other := range others { - if other != nil { - r.resetCaches() - r.AddWarnings(other.Errors...) - r.AddWarnings(other.Warnings...) - r.MatchCount += other.MatchCount - } - } - return r -} - -// AddErrors adds errors to this validation result (if not already reported). -// -// Since the same check may be passed several times while exploring the -// spec structure (via $ref, ...) reported messages are kept -// unique. -func (r *Result) AddErrors(errors ...error) { - for _, e := range errors { - found := false - if e != nil { - for _, isReported := range r.Errors { - if e.Error() == isReported.Error() { - found = true - break - } - } - if !found { - r.Errors = append(r.Errors, e) - } - } - } -} - -// AddWarnings adds warnings to this validation result (if not already reported). -func (r *Result) AddWarnings(warnings ...error) { - for _, e := range warnings { - found := false - if e != nil { - for _, isReported := range r.Warnings { - if e.Error() == isReported.Error() { - found = true - break - } - } - if !found { - r.Warnings = append(r.Warnings, e) - } - } - } -} - -func (r *Result) keepRelevantErrors() *Result { - // TODO: this one is going to disapear... - // keepRelevantErrors strips a result from standard errors and keeps - // the ones which are supposedly more accurate. - // - // The original result remains unaffected (creates a new instance of Result). - // This method is used to work around the "matchCount" filter which would otherwise - // strip our result from some accurate error reporting from lower level validators. - // - // NOTE: this implementation with a placeholder (IMPORTANT!) is neither clean nor - // very efficient. On the other hand, relying on go-openapi/errors to manipulate - // codes would require to change a lot here. So, for the moment, let's go with - // placeholders. - strippedErrors := []error{} - for _, e := range r.Errors { - if strings.HasPrefix(e.Error(), "IMPORTANT!") { - strippedErrors = append(strippedErrors, fmt.Errorf(strings.TrimPrefix(e.Error(), "IMPORTANT!"))) - } - } - strippedWarnings := []error{} - for _, e := range r.Warnings { - if strings.HasPrefix(e.Error(), "IMPORTANT!") { - strippedWarnings = append(strippedWarnings, fmt.Errorf(strings.TrimPrefix(e.Error(), "IMPORTANT!"))) - } - } - strippedResult := new(Result) - strippedResult.Errors = strippedErrors - strippedResult.Warnings = strippedWarnings - return strippedResult -} - -// IsValid returns true when this result is valid. -// -// Returns true on a nil *Result. -func (r *Result) IsValid() bool { - if r == nil { - return true - } - return len(r.Errors) == 0 -} - -// HasErrors returns true when this result is invalid. -// -// Returns false on a nil *Result. -func (r *Result) HasErrors() bool { - if r == nil { - return false - } - return !r.IsValid() -} - -// HasWarnings returns true when this result contains warnings. -// -// Returns false on a nil *Result. -func (r *Result) HasWarnings() bool { - if r == nil { - return false - } - return len(r.Warnings) > 0 -} - -// HasErrorsOrWarnings returns true when this result contains -// either errors or warnings. -// -// Returns false on a nil *Result. -func (r *Result) HasErrorsOrWarnings() bool { - if r == nil { - return false - } - return len(r.Errors) > 0 || len(r.Warnings) > 0 -} - -// Inc increments the match count -func (r *Result) Inc() { - r.MatchCount++ -} - -// AsError renders this result as an error interface -// -// TODO: reporting / pretty print with path ordered and indented -func (r *Result) AsError() error { - if r.IsValid() { - return nil - } - return errors.CompositeValidationError(r.Errors...) -} - -// schemata is an arbitrary number of schemata. It does a distinction between zero, -// one and many schemata to avoid slice allocations. -type schemata struct { - // one is set if there is exactly one schema. In that case multiple must be nil. - one *spec.Schema - // multiple is an arbitrary number of schemas. If it is set, one must be nil. - multiple []*spec.Schema -} - -func (s *schemata) Len() int { - if s.one != nil { - return 1 - } - return len(s.multiple) -} - -func (s *schemata) Slice() []*spec.Schema { - if s == nil { - return nil - } - if s.one != nil { - return []*spec.Schema{s.one} - } - return s.multiple -} - -// appendSchemata appends the schemata in other to s. It mutated s in-place. -func (s *schemata) Append(other schemata) { - if other.one == nil && len(other.multiple) == 0 { - return - } - if s.one == nil && len(s.multiple) == 0 { - *s = other - return - } - - if s.one != nil { - if other.one != nil { - s.multiple = []*spec.Schema{s.one, other.one} - } else { - t := make([]*spec.Schema, 0, 1+len(other.multiple)) - s.multiple = append(append(t, s.one), other.multiple...) - } - s.one = nil - } else { - if other.one != nil { - s.multiple = append(s.multiple, other.one) - } else { - if cap(s.multiple) >= len(s.multiple)+len(other.multiple) { - s.multiple = append(s.multiple, other.multiple...) - } else { - t := make([]*spec.Schema, 0, len(s.multiple)+len(other.multiple)) - s.multiple = append(append(t, s.multiple...), other.multiple...) - } - } - } -} diff --git a/constraint/vendor/github.com/go-openapi/validate/schema_option.go b/constraint/vendor/github.com/go-openapi/validate/schema_option.go deleted file mode 100644 index 4b4879de8..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/schema_option.go +++ /dev/null @@ -1,54 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -// SchemaValidatorOptions defines optional rules for schema validation -type SchemaValidatorOptions struct { - EnableObjectArrayTypeCheck bool - EnableArrayMustHaveItemsCheck bool -} - -// Option sets optional rules for schema validation -type Option func(*SchemaValidatorOptions) - -// EnableObjectArrayTypeCheck activates the swagger rule: an items must be in type: array -func EnableObjectArrayTypeCheck(enable bool) Option { - return func(svo *SchemaValidatorOptions) { - svo.EnableObjectArrayTypeCheck = enable - } -} - -// EnableArrayMustHaveItemsCheck activates the swagger rule: an array must have items defined -func EnableArrayMustHaveItemsCheck(enable bool) Option { - return func(svo *SchemaValidatorOptions) { - svo.EnableArrayMustHaveItemsCheck = enable - } -} - -// SwaggerSchema activates swagger schema validation rules -func SwaggerSchema(enable bool) Option { - return func(svo *SchemaValidatorOptions) { - svo.EnableObjectArrayTypeCheck = enable - svo.EnableArrayMustHaveItemsCheck = enable - } -} - -// Options returns current options -func (svo SchemaValidatorOptions) Options() []Option { - return []Option{ - EnableObjectArrayTypeCheck(svo.EnableObjectArrayTypeCheck), - EnableArrayMustHaveItemsCheck(svo.EnableArrayMustHaveItemsCheck), - } -} diff --git a/constraint/vendor/github.com/go-openapi/validate/spec.go b/constraint/vendor/github.com/go-openapi/validate/spec.go deleted file mode 100644 index ce8ba17ca..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/spec.go +++ /dev/null @@ -1,787 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -import ( - "encoding/json" - "fmt" - "sort" - "strings" - - "github.com/go-openapi/analysis" - "github.com/go-openapi/errors" - "github.com/go-openapi/jsonpointer" - "github.com/go-openapi/loads" - "github.com/go-openapi/spec" - "github.com/go-openapi/strfmt" -) - -// Spec validates an OpenAPI 2.0 specification document. -// -// Returns an error flattening in a single standard error, all validation messages. -// -// - TODO: $ref should not have siblings -// - TODO: make sure documentation reflects all checks and warnings -// - TODO: check on discriminators -// - TODO: explicit message on unsupported keywords (better than "forbidden property"...) -// - TODO: full list of unresolved refs -// - TODO: validate numeric constraints (issue#581): this should be handled like defaults and examples -// - TODO: option to determine if we validate for go-swagger or in a more general context -// - TODO: check on required properties to support anyOf, allOf, oneOf -// -// NOTE: SecurityScopes are maps: no need to check uniqueness -// -func Spec(doc *loads.Document, formats strfmt.Registry) error { - errs, _ /*warns*/ := NewSpecValidator(doc.Schema(), formats).Validate(doc) - if errs.HasErrors() { - return errors.CompositeValidationError(errs.Errors...) - } - return nil -} - -// SpecValidator validates a swagger 2.0 spec -type SpecValidator struct { - schema *spec.Schema // swagger 2.0 schema - spec *loads.Document - analyzer *analysis.Spec - expanded *loads.Document - KnownFormats strfmt.Registry - Options Opts // validation options -} - -// NewSpecValidator creates a new swagger spec validator instance -func NewSpecValidator(schema *spec.Schema, formats strfmt.Registry) *SpecValidator { - return &SpecValidator{ - schema: schema, - KnownFormats: formats, - Options: defaultOpts, - } -} - -// Validate validates the swagger spec -func (s *SpecValidator) Validate(data interface{}) (*Result, *Result) { - var sd *loads.Document - errs, warnings := new(Result), new(Result) - - if v, ok := data.(*loads.Document); ok { - sd = v - } - if sd == nil { - errs.AddErrors(invalidDocumentMsg()) - return errs, warnings // no point in continuing - } - s.spec = sd - s.analyzer = analysis.New(sd.Spec()) - - // Swagger schema validator - schv := NewSchemaValidator(s.schema, nil, "", s.KnownFormats, SwaggerSchema(true)) - var obj interface{} - - // Raw spec unmarshalling errors - if err := json.Unmarshal(sd.Raw(), &obj); err != nil { - // NOTE: under normal conditions, the *load.Document has been already unmarshalled - // So this one is just a paranoid check on the behavior of the spec package - panic(InvalidDocumentError) - } - - defer func() { - // errs holds all errors and warnings, - // warnings only warnings - errs.MergeAsWarnings(warnings) - warnings.AddErrors(errs.Warnings...) - }() - - errs.Merge(schv.Validate(obj)) // error - - // There may be a point in continuing to try and determine more accurate errors - if !s.Options.ContinueOnErrors && errs.HasErrors() { - return errs, warnings // no point in continuing - } - - errs.Merge(s.validateReferencesValid()) // error - - // There may be a point in continuing to try and determine more accurate errors - if !s.Options.ContinueOnErrors && errs.HasErrors() { - return errs, warnings // no point in continuing - } - - errs.Merge(s.validateDuplicateOperationIDs()) - errs.Merge(s.validateDuplicatePropertyNames()) // error - - errs.Merge(s.validateParameters()) // error - - errs.Merge(s.validateItems()) // error - - - // Properties in required definition MUST validate their schema - // Properties SHOULD NOT be declared as both required and readOnly (warning) - errs.Merge(s.validateRequiredDefinitions()) // error and warning - - // There may be a point in continuing to try and determine more accurate errors - if !s.Options.ContinueOnErrors && errs.HasErrors() { - return errs, warnings // no point in continuing - } - - // Values provided as default MUST validate their schema - df := &defaultValidator{SpecValidator: s} - errs.Merge(df.Validate()) - - // Values provided as examples MUST validate their schema - // Value provided as examples in a response without schema generate a warning - // Known limitations: examples in responses for mime type not application/json are ignored (warning) - ex := &exampleValidator{SpecValidator: s} - errs.Merge(ex.Validate()) - - errs.Merge(s.validateNonEmptyPathParamNames()) - - //errs.Merge(s.validateRefNoSibling()) // warning only - errs.Merge(s.validateReferenced()) // warning only - - return errs, warnings -} - -func (s *SpecValidator) validateNonEmptyPathParamNames() *Result { - res := new(Result) - if s.spec.Spec().Paths == nil { - // There is no Paths object: error - res.AddErrors(noValidPathMsg()) - } else { - if s.spec.Spec().Paths.Paths == nil { - // Paths may be empty: warning - res.AddWarnings(noValidPathMsg()) - } else { - for k := range s.spec.Spec().Paths.Paths { - if strings.Contains(k, "{}") { - res.AddErrors(emptyPathParameterMsg(k)) - } - } - } - } - return res -} - -func (s *SpecValidator) validateDuplicateOperationIDs() *Result { - // OperationID, if specified, must be unique across the board - res := new(Result) - known := make(map[string]int) - for _, v := range s.analyzer.OperationIDs() { - if v != "" { - known[v]++ - } - } - for k, v := range known { - if v > 1 { - res.AddErrors(nonUniqueOperationIDMsg(k, v)) - } - } - return res -} - -type dupProp struct { - Name string - Definition string -} - -func (s *SpecValidator) validateDuplicatePropertyNames() *Result { - // definition can't declare a property that's already defined by one of its ancestors - res := new(Result) - for k, sch := range s.spec.Spec().Definitions { - if len(sch.AllOf) == 0 { - continue - } - - knownanc := map[string]struct{}{ - "#/definitions/" + k: {}, - } - - ancs, rec := s.validateCircularAncestry(k, sch, knownanc) - if rec != nil && (rec.HasErrors() || !rec.HasWarnings()) { - res.Merge(rec) - } - if len(ancs) > 0 { - res.AddErrors(circularAncestryDefinitionMsg(k, ancs)) - return res - } - - knowns := make(map[string]struct{}) - dups, rep := s.validateSchemaPropertyNames(k, sch, knowns) - if rep != nil && (rep.HasErrors() || rep.HasWarnings()) { - res.Merge(rep) - } - if len(dups) > 0 { - var pns []string - for _, v := range dups { - pns = append(pns, v.Definition+"."+v.Name) - } - res.AddErrors(duplicatePropertiesMsg(k, pns)) - } - - } - return res -} - -func (s *SpecValidator) resolveRef(ref *spec.Ref) (*spec.Schema, error) { - if s.spec.SpecFilePath() != "" { - return spec.ResolveRefWithBase(s.spec.Spec(), ref, &spec.ExpandOptions{RelativeBase: s.spec.SpecFilePath()}) - } - // NOTE: it looks like with the new spec resolver, this code is now unrecheable - return spec.ResolveRef(s.spec.Spec(), ref) -} - -func (s *SpecValidator) validateSchemaPropertyNames(nm string, sch spec.Schema, knowns map[string]struct{}) ([]dupProp, *Result) { - var dups []dupProp - - schn := nm - schc := &sch - res := new(Result) - - for schc.Ref.String() != "" { - // gather property names - reso, err := s.resolveRef(&schc.Ref) - if err != nil { - errorHelp.addPointerError(res, err, schc.Ref.String(), nm) - return dups, res - } - schc = reso - schn = sch.Ref.String() - } - - if len(schc.AllOf) > 0 { - for _, chld := range schc.AllOf { - dup, rep := s.validateSchemaPropertyNames(schn, chld, knowns) - if rep != nil && (rep.HasErrors() || rep.HasWarnings()) { - res.Merge(rep) - } - dups = append(dups, dup...) - } - return dups, res - } - - for k := range schc.Properties { - _, ok := knowns[k] - if ok { - dups = append(dups, dupProp{Name: k, Definition: schn}) - } else { - knowns[k] = struct{}{} - } - } - - return dups, res -} - -func (s *SpecValidator) validateCircularAncestry(nm string, sch spec.Schema, knowns map[string]struct{}) ([]string, *Result) { - res := new(Result) - - if sch.Ref.String() == "" && len(sch.AllOf) == 0 { // Safeguard. We should not be able to actually get there - return nil, res - } - var ancs []string - - schn := nm - schc := &sch - - for schc.Ref.String() != "" { - reso, err := s.resolveRef(&schc.Ref) - if err != nil { - errorHelp.addPointerError(res, err, schc.Ref.String(), nm) - return ancs, res - } - schc = reso - schn = sch.Ref.String() - } - - if schn != nm && schn != "" { - if _, ok := knowns[schn]; ok { - ancs = append(ancs, schn) - } - knowns[schn] = struct{}{} - - if len(ancs) > 0 { - return ancs, res - } - } - - if len(schc.AllOf) > 0 { - for _, chld := range schc.AllOf { - if chld.Ref.String() != "" || len(chld.AllOf) > 0 { - anc, rec := s.validateCircularAncestry(schn, chld, knowns) - if rec != nil && (rec.HasErrors() || !rec.HasWarnings()) { - res.Merge(rec) - } - ancs = append(ancs, anc...) - if len(ancs) > 0 { - return ancs, res - } - } - } - } - return ancs, res -} - -func (s *SpecValidator) validateItems() *Result { - // validate parameter, items, schema and response objects for presence of item if type is array - res := new(Result) - - for method, pi := range s.analyzer.Operations() { - for path, op := range pi { - for _, param := range paramHelp.safeExpandedParamsFor(path, method, op.ID, res, s) { - - if param.TypeName() == arrayType && param.ItemsTypeName() == "" { - res.AddErrors(arrayInParamRequiresItemsMsg(param.Name, op.ID)) - continue - } - if param.In != swaggerBody { - if param.Items != nil { - items := param.Items - for items.TypeName() == arrayType { - if items.ItemsTypeName() == "" { - res.AddErrors(arrayInParamRequiresItemsMsg(param.Name, op.ID)) - break - } - items = items.Items - } - } - } else { - // In: body - if param.Schema != nil { - res.Merge(s.validateSchemaItems(*param.Schema, fmt.Sprintf("body param %q", param.Name), op.ID)) - } - } - } - - var responses []spec.Response - if op.Responses != nil { - if op.Responses.Default != nil { - responses = append(responses, *op.Responses.Default) - } - if op.Responses.StatusCodeResponses != nil { - for _, v := range op.Responses.StatusCodeResponses { - responses = append(responses, v) - } - } - } - - for _, resp := range responses { - // Response headers with array - for hn, hv := range resp.Headers { - if hv.TypeName() == arrayType && hv.ItemsTypeName() == "" { - res.AddErrors(arrayInHeaderRequiresItemsMsg(hn, op.ID)) - } - } - if resp.Schema != nil { - res.Merge(s.validateSchemaItems(*resp.Schema, "response body", op.ID)) - } - } - } - } - return res -} - -// Verifies constraints on array type -func (s *SpecValidator) validateSchemaItems(schema spec.Schema, prefix, opID string) *Result { - res := new(Result) - if !schema.Type.Contains(arrayType) { - return res - } - - if schema.Items == nil || schema.Items.Len() == 0 { - res.AddErrors(arrayRequiresItemsMsg(prefix, opID)) - return res - } - - if schema.Items.Schema != nil { - schema = *schema.Items.Schema - if _, err := compileRegexp(schema.Pattern); err != nil { - res.AddErrors(invalidItemsPatternMsg(prefix, opID, schema.Pattern)) - } - - res.Merge(s.validateSchemaItems(schema, prefix, opID)) - } - return res -} - -func (s *SpecValidator) validatePathParamPresence(path string, fromPath, fromOperation []string) *Result { - // Each defined operation path parameters must correspond to a named element in the API's path pattern. - // (For example, you cannot have a path parameter named id for the following path /pets/{petId} but you must have a path parameter named petId.) - res := new(Result) - for _, l := range fromPath { - var matched bool - for _, r := range fromOperation { - if l == "{"+r+"}" { - matched = true - break - } - } - if !matched { - res.AddErrors(noParameterInPathMsg(l)) - } - } - - for _, p := range fromOperation { - var matched bool - for _, r := range fromPath { - if "{"+p+"}" == r { - matched = true - break - } - } - if !matched { - res.AddErrors(pathParamNotInPathMsg(path, p)) - } - } - - return res -} - -func (s *SpecValidator) validateReferenced() *Result { - var res Result - res.MergeAsWarnings(s.validateReferencedParameters()) - res.MergeAsWarnings(s.validateReferencedResponses()) - res.MergeAsWarnings(s.validateReferencedDefinitions()) - return &res -} - -// nolint: dupl -func (s *SpecValidator) validateReferencedParameters() *Result { - // Each referenceable definition should have references. - params := s.spec.Spec().Parameters - if len(params) == 0 { - return nil - } - - expected := make(map[string]struct{}) - for k := range params { - expected["#/parameters/"+jsonpointer.Escape(k)] = struct{}{} - } - for _, k := range s.analyzer.AllParameterReferences() { - delete(expected, k) - } - - if len(expected) == 0 { - return nil - } - result := new(Result) - for k := range expected { - result.AddWarnings(unusedParamMsg(k)) - } - return result -} - -// nolint: dupl -func (s *SpecValidator) validateReferencedResponses() *Result { - // Each referenceable definition should have references. - responses := s.spec.Spec().Responses - if len(responses) == 0 { - return nil - } - - expected := make(map[string]struct{}) - for k := range responses { - expected["#/responses/"+jsonpointer.Escape(k)] = struct{}{} - } - for _, k := range s.analyzer.AllResponseReferences() { - delete(expected, k) - } - - if len(expected) == 0 { - return nil - } - result := new(Result) - for k := range expected { - result.AddWarnings(unusedResponseMsg(k)) - } - return result -} - -// nolint: dupl -func (s *SpecValidator) validateReferencedDefinitions() *Result { - // Each referenceable definition must have references. - defs := s.spec.Spec().Definitions - if len(defs) == 0 { - return nil - } - - expected := make(map[string]struct{}) - for k := range defs { - expected["#/definitions/"+jsonpointer.Escape(k)] = struct{}{} - } - for _, k := range s.analyzer.AllDefinitionReferences() { - delete(expected, k) - } - - if len(expected) == 0 { - return nil - } - - result := new(Result) - for k := range expected { - result.AddWarnings(unusedDefinitionMsg(k)) - } - return result -} - -func (s *SpecValidator) validateRequiredDefinitions() *Result { - // Each property listed in the required array must be defined in the properties of the model - res := new(Result) - -DEFINITIONS: - for d, schema := range s.spec.Spec().Definitions { - if schema.Required != nil { // Safeguard - for _, pn := range schema.Required { - red := s.validateRequiredProperties(pn, d, &schema) - res.Merge(red) - if !red.IsValid() && !s.Options.ContinueOnErrors { - break DEFINITIONS // there is an error, let's stop that bleeding - } - } - } - } - return res -} - -func (s *SpecValidator) validateRequiredProperties(path, in string, v *spec.Schema) *Result { - // Takes care of recursive property definitions, which may be nested in additionalProperties schemas - res := new(Result) - propertyMatch := false - patternMatch := false - additionalPropertiesMatch := false - isReadOnly := false - - // Regular properties - if _, ok := v.Properties[path]; ok { - propertyMatch = true - isReadOnly = v.Properties[path].ReadOnly - } - - // NOTE: patternProperties are not supported in swagger. Even though, we continue validation here - // We check all defined patterns: if one regexp is invalid, croaks an error - for pp, pv := range v.PatternProperties { - re, err := compileRegexp(pp) - if err != nil { - res.AddErrors(invalidPatternMsg(pp, in)) - } else if re.MatchString(path) { - patternMatch = true - if !propertyMatch { - isReadOnly = pv.ReadOnly - } - } - } - - if !(propertyMatch || patternMatch) { - if v.AdditionalProperties != nil { - if v.AdditionalProperties.Allows && v.AdditionalProperties.Schema == nil { - additionalPropertiesMatch = true - } else if v.AdditionalProperties.Schema != nil { - // additionalProperties as schema are upported in swagger - // recursively validates additionalProperties schema - // TODO : anyOf, allOf, oneOf like in schemaPropsValidator - red := s.validateRequiredProperties(path, in, v.AdditionalProperties.Schema) - if red.IsValid() { - additionalPropertiesMatch = true - if !propertyMatch && !patternMatch { - isReadOnly = v.AdditionalProperties.Schema.ReadOnly - } - } - res.Merge(red) - } - } - } - - if !(propertyMatch || patternMatch || additionalPropertiesMatch) { - res.AddErrors(requiredButNotDefinedMsg(path, in)) - } - - if isReadOnly { - res.AddWarnings(readOnlyAndRequiredMsg(in, path)) - } - return res -} - -func (s *SpecValidator) validateParameters() *Result { - // - for each method, path is unique, regardless of path parameters - // e.g. GET:/petstore/{id}, GET:/petstore/{pet}, GET:/petstore are - // considered duplicate paths - // - each parameter should have a unique `name` and `type` combination - // - each operation should have only 1 parameter of type body - // - there must be at most 1 parameter in body - // - parameters with pattern property must specify valid patterns - // - $ref in parameters must resolve - // - path param must be required - res := new(Result) - rexGarbledPathSegment := mustCompileRegexp(`.*[{}\s]+.*`) - for method, pi := range s.analyzer.Operations() { - methodPaths := make(map[string]map[string]string) - for path, op := range pi { - pathToAdd := pathHelp.stripParametersInPath(path) - - // Warn on garbled path afer param stripping - if rexGarbledPathSegment.MatchString(pathToAdd) { - res.AddWarnings(pathStrippedParamGarbledMsg(pathToAdd)) - } - - // Check uniqueness of stripped paths - if _, found := methodPaths[method][pathToAdd]; found { - - // Sort names for stable, testable output - if strings.Compare(path, methodPaths[method][pathToAdd]) < 0 { - res.AddErrors(pathOverlapMsg(path, methodPaths[method][pathToAdd])) - } else { - res.AddErrors(pathOverlapMsg(methodPaths[method][pathToAdd], path)) - } - } else { - if _, found := methodPaths[method]; !found { - methodPaths[method] = map[string]string{} - } - methodPaths[method][pathToAdd] = path //Original non stripped path - - } - - var bodyParams []string - var paramNames []string - var hasForm, hasBody bool - - // Check parameters names uniqueness for operation - // TODO: should be done after param expansion - res.Merge(s.checkUniqueParams(path, method, op)) - - for _, pr := range paramHelp.safeExpandedParamsFor(path, method, op.ID, res, s) { - // Validate pattern regexp for parameters with a Pattern property - if _, err := compileRegexp(pr.Pattern); err != nil { - res.AddErrors(invalidPatternInParamMsg(op.ID, pr.Name, pr.Pattern)) - } - - // There must be at most one parameter in body: list them all - if pr.In == swaggerBody { - bodyParams = append(bodyParams, fmt.Sprintf("%q", pr.Name)) - hasBody = true - } - - if pr.In == "path" { - paramNames = append(paramNames, pr.Name) - // Path declared in path must have the required: true property - if !pr.Required { - res.AddErrors(pathParamRequiredMsg(op.ID, pr.Name)) - } - } - - if pr.In == "formData" { - hasForm = true - } - - if !(pr.Type == numberType || pr.Type == integerType) && - (pr.Maximum != nil || pr.Minimum != nil || pr.MultipleOf != nil) { - // A non-numeric parameter has validation keywords for numeric instances (number and integer) - res.AddWarnings(parameterValidationTypeMismatchMsg(pr.Name, path, pr.Type)) - } - - if !(pr.Type == stringType) && - // A non-string parameter has validation keywords for strings - (pr.MaxLength != nil || pr.MinLength != nil || pr.Pattern != "") { - res.AddWarnings(parameterValidationTypeMismatchMsg(pr.Name, path, pr.Type)) - } - - if !(pr.Type == arrayType) && - // A non-array parameter has validation keywords for arrays - (pr.MaxItems != nil || pr.MinItems != nil || pr.UniqueItems) { - res.AddWarnings(parameterValidationTypeMismatchMsg(pr.Name, path, pr.Type)) - } - } - - // In:formData and In:body are mutually exclusive - if hasBody && hasForm { - res.AddErrors(bothFormDataAndBodyMsg(op.ID)) - } - // There must be at most one body param - // Accurately report situations when more than 1 body param is declared (possibly unnamed) - if len(bodyParams) > 1 { - sort.Strings(bodyParams) - res.AddErrors(multipleBodyParamMsg(op.ID, bodyParams)) - } - - // Check uniqueness of parameters in path - paramsInPath := pathHelp.extractPathParams(path) - for i, p := range paramsInPath { - for j, q := range paramsInPath { - if p == q && i > j { - res.AddErrors(pathParamNotUniqueMsg(path, p, q)) - break - } - } - } - - // Warns about possible malformed params in path - rexGarbledParam := mustCompileRegexp(`{.*[{}\s]+.*}`) - for _, p := range paramsInPath { - if rexGarbledParam.MatchString(p) { - res.AddWarnings(pathParamGarbledMsg(path, p)) - } - } - - // Match params from path vs params from params section - res.Merge(s.validatePathParamPresence(path, paramsInPath, paramNames)) - } - } - return res -} - -func (s *SpecValidator) validateReferencesValid() *Result { - // each reference must point to a valid object - res := new(Result) - for _, r := range s.analyzer.AllRefs() { - if !r.IsValidURI(s.spec.SpecFilePath()) { // Safeguard - spec should always yield a valid URI - res.AddErrors(invalidRefMsg(r.String())) - } - } - if !res.HasErrors() { - // NOTE: with default settings, loads.Document.Expanded() - // stops on first error. Anyhow, the expand option to continue - // on errors fails to report errors at all. - exp, err := s.spec.Expanded() - if err != nil { - res.AddErrors(unresolvedReferencesMsg(err)) - } - s.expanded = exp - } - return res -} - -func (s *SpecValidator) checkUniqueParams(path, method string, op *spec.Operation) *Result { - // Check for duplicate parameters declaration in param section. - // Each parameter should have a unique `name` and `type` combination - // NOTE: this could be factorized in analysis (when constructing the params map) - // However, there are some issues with such a factorization: - // - analysis does not seem to fully expand params - // - param keys may be altered by x-go-name - res := new(Result) - pnames := make(map[string]struct{}) - - if op.Parameters != nil { // Safeguard - for _, ppr := range op.Parameters { - var ok bool - pr, red := paramHelp.resolveParam(path, method, op.ID, &ppr, s) - res.Merge(red) - - if pr != nil && pr.Name != "" { // params with empty name does no participate the check - key := fmt.Sprintf("%s#%s", pr.In, pr.Name) - - if _, ok = pnames[key]; ok { - res.AddErrors(duplicateParamNameMsg(pr.In, pr.Name, op.ID)) - } - pnames[key] = struct{}{} - } - } - } - return res -} - -// SetContinueOnErrors sets the ContinueOnErrors option for this validator. -func (s *SpecValidator) SetContinueOnErrors(c bool) { - s.Options.ContinueOnErrors = c -} diff --git a/constraint/vendor/github.com/go-openapi/validate/spec_messages.go b/constraint/vendor/github.com/go-openapi/validate/spec_messages.go deleted file mode 100644 index 1a5892aee..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/spec_messages.go +++ /dev/null @@ -1,360 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -import ( - "net/http" - - "github.com/go-openapi/errors" -) - -// Error messages related to spec validation and returned as results. -const ( - // ArrayRequiresItemsError ... - ArrayRequiresItemsError = "%s for %q is a collection without an element type (array requires items definition)" - - // ArrayInParamRequiresItemsError ... - ArrayInParamRequiresItemsError = "param %q for %q is a collection without an element type (array requires item definition)" - - // ArrayInHeaderRequiresItemsError ... - ArrayInHeaderRequiresItemsError = "header %q for %q is a collection without an element type (array requires items definition)" - - // BothFormDataAndBodyError indicates that an operation specifies both a body and a formData parameter, which is forbidden - BothFormDataAndBodyError = "operation %q has both formData and body parameters. Only one such In: type may be used for a given operation" - - // CannotResolveRefError when a $ref could not be resolved - CannotResolveReferenceError = "could not resolve reference in %s to $ref %s: %v" - - // CircularAncestryDefinitionError ... - CircularAncestryDefinitionError = "definition %q has circular ancestry: %v" - - // DefaultValueDoesNotValidateError results from an invalid default value provided - DefaultValueDoesNotValidateError = "default value for %s in %s does not validate its schema" - - // DefaultValueItemsDoesNotValidateError results from an invalid default value provided for Items - DefaultValueItemsDoesNotValidateError = "default value for %s.items in %s does not validate its schema" - - // DefaultValueHeaderDoesNotValidateError results from an invalid default value provided in header - DefaultValueHeaderDoesNotValidateError = "in operation %q, default value in header %s for %s does not validate its schema" - - // DefaultValueHeaderItemsDoesNotValidateError results from an invalid default value provided in header.items - DefaultValueHeaderItemsDoesNotValidateError = "in operation %q, default value in header.items %s for %s does not validate its schema" - - // DefaultValueInDoesNotValidateError ... - DefaultValueInDoesNotValidateError = "in operation %q, default value in %s does not validate its schema" - - // DuplicateParamNameError ... - DuplicateParamNameError = "duplicate parameter name %q for %q in operation %q" - - // DuplicatePropertiesError ... - DuplicatePropertiesError = "definition %q contains duplicate properties: %v" - - // ExampleValueDoesNotValidateError results from an invalid example value provided - ExampleValueDoesNotValidateError = "example value for %s in %s does not validate its schema" - - // ExampleValueItemsDoesNotValidateError results from an invalid example value provided for Items - ExampleValueItemsDoesNotValidateError = "example value for %s.items in %s does not validate its schema" - - // ExampleValueHeaderDoesNotValidateError results from an invalid example value provided in header - ExampleValueHeaderDoesNotValidateError = "in operation %q, example value in header %s for %s does not validate its schema" - - // ExampleValueHeaderItemsDoesNotValidateError results from an invalid example value provided in header.items - ExampleValueHeaderItemsDoesNotValidateError = "in operation %q, example value in header.items %s for %s does not validate its schema" - - // ExampleValueInDoesNotValidateError ... - ExampleValueInDoesNotValidateError = "in operation %q, example value in %s does not validate its schema" - - // EmptyPathParameterError means that a path parameter was found empty (e.g. "{}") - EmptyPathParameterError = "%q contains an empty path parameter" - - // InvalidDocumentError states that spec validation only processes spec.Document objects - InvalidDocumentError = "spec validator can only validate spec.Document objects" - - // InvalidItemsPatternError indicates an Items definition with invalid pattern - InvalidItemsPatternError = "%s for %q has invalid items pattern: %q" - - // InvalidParameterDefinitionError indicates an error detected on a parameter definition - InvalidParameterDefinitionError = "invalid definition for parameter %s in %s in operation %q" - - // InvalidParameterDefinitionAsSchemaError indicates an error detected on a parameter definition, which was mistaken with a schema definition. - // Most likely, this situation is encountered whenever a $ref has been added as a sibling of the parameter definition. - InvalidParameterDefinitionAsSchemaError = "invalid definition as Schema for parameter %s in %s in operation %q" - - // InvalidPatternError ... - InvalidPatternError = "pattern %q is invalid in %s" - - // InvalidPatternInError indicates an invalid pattern in a schema or items definition - InvalidPatternInError = "%s in %s has invalid pattern: %q" - - // InvalidPatternInHeaderError indicates a header definition with an invalid pattern - InvalidPatternInHeaderError = "in operation %q, header %s for %s has invalid pattern %q: %v" - - // InvalidPatternInParamError ... - InvalidPatternInParamError = "operation %q has invalid pattern in param %q: %q" - - // InvalidReferenceError indicates that a $ref property could not be resolved - InvalidReferenceError = "invalid ref %q" - - // InvalidResponseDefinitionAsSchemaError indicates an error detected on a response definition, which was mistaken with a schema definition. - // Most likely, this situation is encountered whenever a $ref has been added as a sibling of the response definition. - InvalidResponseDefinitionAsSchemaError = "invalid definition as Schema for response %s in %s" - - // MultipleBodyParamError indicates that an operation specifies multiple parameter with in: body - MultipleBodyParamError = "operation %q has more than 1 body param: %v" - - // NonUniqueOperationIDError indicates that the same operationId has been specified several times - NonUniqueOperationIDError = "%q is defined %d times" - - // NoParameterInPathError indicates that a path was found without any parameter - NoParameterInPathError = "path param %q has no parameter definition" - - // NoValidPathErrorOrWarning indicates that no single path could be validated. If Paths is empty, this message is only a warning. - NoValidPathErrorOrWarning = "spec has no valid path defined" - - // NoValidResponseError indicates that no valid response description could be found for an operation - NoValidResponseError = "operation %q has no valid response" - - // PathOverlapError ... - PathOverlapError = "path %s overlaps with %s" - - // PathParamNotInPathError indicates that a parameter specified with in: path was not found in the path specification - PathParamNotInPathError = "path param %q is not present in path %q" - - // PathParamNotUniqueError ... - PathParamNotUniqueError = "params in path %q must be unique: %q conflicts with %q" - - // PathParamNotRequiredError ... - PathParamRequiredError = "in operation %q,path param %q must be declared as required" - - // RefNotAllowedInHeaderError indicates a $ref was found in a header definition, which is not allowed by Swagger - RefNotAllowedInHeaderError = "IMPORTANT!in %q: $ref are not allowed in headers. In context for header %q%s" - - // RequiredButNotDefinedError ... - RequiredButNotDefinedError = "%q is present in required but not defined as property in definition %q" - - // SomeParametersBrokenError indicates that some parameters could not be resolved, which might result in partial checks to be carried on - SomeParametersBrokenError = "some parameters definitions are broken in %q.%s. Cannot carry on full checks on parameters for operation %s" - - // UnresolvedReferencesError indicates that at least one $ref could not be resolved - UnresolvedReferencesError = "some references could not be resolved in spec. First found: %v" -) - -// Warning messages related to spec validation and returned as results -const ( - // ExamplesWithoutSchemaWarning indicates that examples are provided for a response,but not schema to validate the example against - ExamplesWithoutSchemaWarning = "Examples provided without schema in operation %q, %s" - - // ExamplesMimeNotSupportedWarning indicates that examples are provided with a mime type different than application/json, which - // the validator dos not support yetl - ExamplesMimeNotSupportedWarning = "No validation attempt for examples for media types other than application/json, in operation %q, %s" - - // PathParamGarbledWarning ... - PathParamGarbledWarning = "in path %q, param %q contains {,} or white space. Albeit not stricly illegal, this is probably no what you want" - - // ParamValidationTypeMismatch indicates that parameter has validation which does not match its type - ParamValidationTypeMismatch = "validation keywords of parameter %q in path %q don't match its type %s" - - // PathStrippedParamGarbledWarning ... - PathStrippedParamGarbledWarning = "path stripped from path parameters %s contains {,} or white space. This is probably no what you want." - - // ReadOnlyAndRequiredWarning ... - ReadOnlyAndRequiredWarning = "Required property %s in %q should not be marked as both required and readOnly" - - // RefShouldNotHaveSiblingsWarning indicates that a $ref was found with a sibling definition. This results in the $ref taking over its siblings, - // which is most likely not wanted. - RefShouldNotHaveSiblingsWarning = "$ref property should have no sibling in %q.%s" - - // RequiredHasDefaultWarning indicates that a required parameter property should not have a default - RequiredHasDefaultWarning = "%s in %s has a default value and is required as parameter" - - // UnusedDefinitionWarning ... - UnusedDefinitionWarning = "definition %q is not used anywhere" - - // UnusedParamWarning ... - UnusedParamWarning = "parameter %q is not used anywhere" - - // UnusedResponseWarning ... - UnusedResponseWarning = "response %q is not used anywhere" -) - -// Additional error codes -const ( - // InternalErrorCode reports an internal technical error - InternalErrorCode = http.StatusInternalServerError - // NotFoundErrorCode indicates that a resource (e.g. a $ref) could not be found - NotFoundErrorCode = http.StatusNotFound -) - -func invalidDocumentMsg() errors.Error { - return errors.New(InternalErrorCode, InvalidDocumentError) -} -func invalidRefMsg(path string) errors.Error { - return errors.New(NotFoundErrorCode, InvalidReferenceError, path) -} -func unresolvedReferencesMsg(err error) errors.Error { - return errors.New(errors.CompositeErrorCode, UnresolvedReferencesError, err) -} -func noValidPathMsg() errors.Error { - return errors.New(errors.CompositeErrorCode, NoValidPathErrorOrWarning) -} -func emptyPathParameterMsg(path string) errors.Error { - return errors.New(errors.CompositeErrorCode, EmptyPathParameterError, path) -} -func nonUniqueOperationIDMsg(path string, i int) errors.Error { - return errors.New(errors.CompositeErrorCode, NonUniqueOperationIDError, path, i) -} -func circularAncestryDefinitionMsg(path string, args interface{}) errors.Error { - return errors.New(errors.CompositeErrorCode, CircularAncestryDefinitionError, path, args) -} -func duplicatePropertiesMsg(path string, args interface{}) errors.Error { - return errors.New(errors.CompositeErrorCode, DuplicatePropertiesError, path, args) -} -func pathParamNotInPathMsg(path, param string) errors.Error { - return errors.New(errors.CompositeErrorCode, PathParamNotInPathError, param, path) -} -func arrayRequiresItemsMsg(path, operation string) errors.Error { - return errors.New(errors.CompositeErrorCode, ArrayRequiresItemsError, path, operation) -} -func arrayInParamRequiresItemsMsg(path, operation string) errors.Error { - return errors.New(errors.CompositeErrorCode, ArrayInParamRequiresItemsError, path, operation) -} -func arrayInHeaderRequiresItemsMsg(path, operation string) errors.Error { - return errors.New(errors.CompositeErrorCode, ArrayInHeaderRequiresItemsError, path, operation) -} -func invalidItemsPatternMsg(path, operation, pattern string) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidItemsPatternError, path, operation, pattern) -} -func invalidPatternMsg(pattern, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidPatternError, pattern, path) -} -func requiredButNotDefinedMsg(path, definition string) errors.Error { - return errors.New(errors.CompositeErrorCode, RequiredButNotDefinedError, path, definition) -} -func pathParamGarbledMsg(path, param string) errors.Error { - return errors.New(errors.CompositeErrorCode, PathParamGarbledWarning, path, param) -} -func pathStrippedParamGarbledMsg(path string) errors.Error { - return errors.New(errors.CompositeErrorCode, PathStrippedParamGarbledWarning, path) -} -func pathOverlapMsg(path, arg string) errors.Error { - return errors.New(errors.CompositeErrorCode, PathOverlapError, path, arg) -} -func invalidPatternInParamMsg(operation, param, pattern string) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidPatternInParamError, operation, param, pattern) -} -func pathParamRequiredMsg(operation, param string) errors.Error { - return errors.New(errors.CompositeErrorCode, PathParamRequiredError, operation, param) -} -func bothFormDataAndBodyMsg(operation string) errors.Error { - return errors.New(errors.CompositeErrorCode, BothFormDataAndBodyError, operation) -} -func multipleBodyParamMsg(operation string, args interface{}) errors.Error { - return errors.New(errors.CompositeErrorCode, MultipleBodyParamError, operation, args) -} -func pathParamNotUniqueMsg(path, param, arg string) errors.Error { - return errors.New(errors.CompositeErrorCode, PathParamNotUniqueError, path, param, arg) -} -func duplicateParamNameMsg(path, param, operation string) errors.Error { - return errors.New(errors.CompositeErrorCode, DuplicateParamNameError, param, path, operation) -} -func unusedParamMsg(arg string) errors.Error { - return errors.New(errors.CompositeErrorCode, UnusedParamWarning, arg) -} -func unusedDefinitionMsg(arg string) errors.Error { - return errors.New(errors.CompositeErrorCode, UnusedDefinitionWarning, arg) -} -func unusedResponseMsg(arg string) errors.Error { - return errors.New(errors.CompositeErrorCode, UnusedResponseWarning, arg) -} -func readOnlyAndRequiredMsg(path, param string) errors.Error { - return errors.New(errors.CompositeErrorCode, ReadOnlyAndRequiredWarning, param, path) -} -func noParameterInPathMsg(param string) errors.Error { - return errors.New(errors.CompositeErrorCode, NoParameterInPathError, param) -} -func requiredHasDefaultMsg(param, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, RequiredHasDefaultWarning, param, path) -} -func defaultValueDoesNotValidateMsg(param, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, DefaultValueDoesNotValidateError, param, path) -} -func defaultValueItemsDoesNotValidateMsg(param, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, DefaultValueItemsDoesNotValidateError, param, path) -} -func noValidResponseMsg(operation string) errors.Error { - return errors.New(errors.CompositeErrorCode, NoValidResponseError, operation) -} -func defaultValueHeaderDoesNotValidateMsg(operation, header, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, DefaultValueHeaderDoesNotValidateError, operation, header, path) -} -func defaultValueHeaderItemsDoesNotValidateMsg(operation, header, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, DefaultValueHeaderItemsDoesNotValidateError, operation, header, path) -} -func invalidPatternInHeaderMsg(operation, header, path, pattern string, args interface{}) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidPatternInHeaderError, operation, header, path, pattern, args) -} -func invalidPatternInMsg(path, in, pattern string) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidPatternInError, path, in, pattern) -} -func defaultValueInDoesNotValidateMsg(operation, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, DefaultValueInDoesNotValidateError, operation, path) -} -func exampleValueDoesNotValidateMsg(param, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExampleValueDoesNotValidateError, param, path) -} -func exampleValueItemsDoesNotValidateMsg(param, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExampleValueItemsDoesNotValidateError, param, path) -} -func exampleValueHeaderDoesNotValidateMsg(operation, header, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExampleValueHeaderDoesNotValidateError, operation, header, path) -} -func exampleValueHeaderItemsDoesNotValidateMsg(operation, header, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExampleValueHeaderItemsDoesNotValidateError, operation, header, path) -} -func exampleValueInDoesNotValidateMsg(operation, path string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExampleValueInDoesNotValidateError, operation, path) -} -func examplesWithoutSchemaMsg(operation, response string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExamplesWithoutSchemaWarning, operation, response) -} -func examplesMimeNotSupportedMsg(operation, response string) errors.Error { - return errors.New(errors.CompositeErrorCode, ExamplesMimeNotSupportedWarning, operation, response) -} -func refNotAllowedInHeaderMsg(path, header, ref string) errors.Error { - return errors.New(errors.CompositeErrorCode, RefNotAllowedInHeaderError, path, header, ref) -} -func cannotResolveRefMsg(path, ref string, err error) errors.Error { - return errors.New(errors.CompositeErrorCode, CannotResolveReferenceError, path, ref, err) -} -func invalidParameterDefinitionMsg(path, method, operationID string) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidParameterDefinitionError, path, method, operationID) -} -func invalidParameterDefinitionAsSchemaMsg(path, method, operationID string) errors.Error { - return errors.New(errors.CompositeErrorCode, InvalidParameterDefinitionAsSchemaError, path, method, operationID) -} -func parameterValidationTypeMismatchMsg(param, path, typ string) errors.Error { - return errors.New(errors.CompositeErrorCode, ParamValidationTypeMismatch, param, path, typ) -} - -// disabled -//func invalidResponseDefinitionAsSchemaMsg(path, method string) errors.Error { -// return errors.New(errors.CompositeErrorCode, InvalidResponseDefinitionAsSchemaError, path, method) -//} -func someParametersBrokenMsg(path, method, operationID string) errors.Error { - return errors.New(errors.CompositeErrorCode, SomeParametersBrokenError, path, method, operationID) -} -func refShouldNotHaveSiblingsMsg(path, operationID string) errors.Error { - return errors.New(errors.CompositeErrorCode, RefShouldNotHaveSiblingsWarning, operationID, path) -} diff --git a/constraint/vendor/github.com/go-openapi/validate/update-fixtures.sh b/constraint/vendor/github.com/go-openapi/validate/update-fixtures.sh deleted file mode 100644 index 21b06e2b0..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/update-fixtures.sh +++ /dev/null @@ -1,15 +0,0 @@ -#!/bin/bash - -set -eu -o pipefail -dir=$(git rev-parse --show-toplevel) -scratch=$(mktemp -d -t tmp.XXXXXXXXXX) - -function finish { - rm -rf "$scratch" -} -trap finish EXIT SIGHUP SIGINT SIGTERM - -cd "$scratch" -git clone https://github.com/json-schema-org/JSON-Schema-Test-Suite Suite -cp -r Suite/tests/draft4/* "$dir/fixtures/jsonschema_suite" -cp -a Suite/remotes "$dir/fixtures/jsonschema_suite" diff --git a/constraint/vendor/github.com/go-openapi/validate/validator.go b/constraint/vendor/github.com/go-openapi/validate/validator.go deleted file mode 100644 index 2acb839db..000000000 --- a/constraint/vendor/github.com/go-openapi/validate/validator.go +++ /dev/null @@ -1,646 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package validate - -import ( - "fmt" - "reflect" - - "github.com/go-openapi/errors" - "github.com/go-openapi/spec" - "github.com/go-openapi/strfmt" -) - -// An EntityValidator is an interface for things that can validate entities -type EntityValidator interface { - Validate(interface{}) *Result -} - -type valueValidator interface { - SetPath(path string) - Applies(interface{}, reflect.Kind) bool - Validate(interface{}) *Result -} - -type itemsValidator struct { - items *spec.Items - root interface{} - path string - in string - validators []valueValidator - KnownFormats strfmt.Registry -} - -func newItemsValidator(path, in string, items *spec.Items, root interface{}, formats strfmt.Registry) *itemsValidator { - iv := &itemsValidator{path: path, in: in, items: items, root: root, KnownFormats: formats} - iv.validators = []valueValidator{ - &typeValidator{ - Type: spec.StringOrArray([]string{items.Type}), - Nullable: items.Nullable, - Format: items.Format, - In: in, - Path: path, - }, - iv.stringValidator(), - iv.formatValidator(), - iv.numberValidator(), - iv.sliceValidator(), - iv.commonValidator(), - } - return iv -} - -func (i *itemsValidator) Validate(index int, data interface{}) *Result { - tpe := reflect.TypeOf(data) - kind := tpe.Kind() - mainResult := new(Result) - path := fmt.Sprintf("%s.%d", i.path, index) - - for _, validator := range i.validators { - validator.SetPath(path) - if validator.Applies(i.root, kind) { - result := validator.Validate(data) - mainResult.Merge(result) - mainResult.Inc() - if result != nil && result.HasErrors() { - return mainResult - } - } - } - return mainResult -} - -func (i *itemsValidator) commonValidator() valueValidator { - return &basicCommonValidator{ - In: i.in, - Default: i.items.Default, - Enum: i.items.Enum, - } -} - -func (i *itemsValidator) sliceValidator() valueValidator { - return &basicSliceValidator{ - In: i.in, - Default: i.items.Default, - MaxItems: i.items.MaxItems, - MinItems: i.items.MinItems, - UniqueItems: i.items.UniqueItems, - Source: i.root, - Items: i.items.Items, - KnownFormats: i.KnownFormats, - } -} - -func (i *itemsValidator) numberValidator() valueValidator { - return &numberValidator{ - In: i.in, - Default: i.items.Default, - MultipleOf: i.items.MultipleOf, - Maximum: i.items.Maximum, - ExclusiveMaximum: i.items.ExclusiveMaximum, - Minimum: i.items.Minimum, - ExclusiveMinimum: i.items.ExclusiveMinimum, - Type: i.items.Type, - Format: i.items.Format, - } -} - -func (i *itemsValidator) stringValidator() valueValidator { - return &stringValidator{ - In: i.in, - Default: i.items.Default, - MaxLength: i.items.MaxLength, - MinLength: i.items.MinLength, - Pattern: i.items.Pattern, - AllowEmptyValue: false, - } -} - -func (i *itemsValidator) formatValidator() valueValidator { - return &formatValidator{ - In: i.in, - //Default: i.items.Default, - Format: i.items.Format, - KnownFormats: i.KnownFormats, - } -} - -type basicCommonValidator struct { - Path string - In string - Default interface{} - Enum []interface{} -} - -func (b *basicCommonValidator) SetPath(path string) { - b.Path = path -} - -func (b *basicCommonValidator) Applies(source interface{}, kind reflect.Kind) bool { - switch source.(type) { - case *spec.Parameter, *spec.Schema, *spec.Header: - return true - } - return false -} - -func (b *basicCommonValidator) Validate(data interface{}) (res *Result) { - if len(b.Enum) > 0 { - for _, enumValue := range b.Enum { - actualType := reflect.TypeOf(enumValue) - if actualType != nil { // Safeguard - expectedValue := reflect.ValueOf(data) - if expectedValue.IsValid() && expectedValue.Type().ConvertibleTo(actualType) { - if reflect.DeepEqual(expectedValue.Convert(actualType).Interface(), enumValue) { - return nil - } - } - } - } - return errorHelp.sErr(errors.EnumFail(b.Path, b.In, data, b.Enum)) - } - return nil -} - -// A HeaderValidator has very limited subset of validations to apply -type HeaderValidator struct { - name string - header *spec.Header - validators []valueValidator - KnownFormats strfmt.Registry -} - -// NewHeaderValidator creates a new header validator object -func NewHeaderValidator(name string, header *spec.Header, formats strfmt.Registry) *HeaderValidator { - p := &HeaderValidator{name: name, header: header, KnownFormats: formats} - p.validators = []valueValidator{ - &typeValidator{ - Type: spec.StringOrArray([]string{header.Type}), - Nullable: header.Nullable, - Format: header.Format, - In: "header", - Path: name, - }, - p.stringValidator(), - p.formatValidator(), - p.numberValidator(), - p.sliceValidator(), - p.commonValidator(), - } - return p -} - -// Validate the value of the header against its schema -func (p *HeaderValidator) Validate(data interface{}) *Result { - result := new(Result) - tpe := reflect.TypeOf(data) - kind := tpe.Kind() - - for _, validator := range p.validators { - if validator.Applies(p.header, kind) { - if err := validator.Validate(data); err != nil { - result.Merge(err) - if err.HasErrors() { - return result - } - } - } - } - return nil -} - -func (p *HeaderValidator) commonValidator() valueValidator { - return &basicCommonValidator{ - Path: p.name, - In: "response", - Default: p.header.Default, - Enum: p.header.Enum, - } -} - -func (p *HeaderValidator) sliceValidator() valueValidator { - return &basicSliceValidator{ - Path: p.name, - In: "response", - Default: p.header.Default, - MaxItems: p.header.MaxItems, - MinItems: p.header.MinItems, - UniqueItems: p.header.UniqueItems, - Items: p.header.Items, - Source: p.header, - KnownFormats: p.KnownFormats, - } -} - -func (p *HeaderValidator) numberValidator() valueValidator { - return &numberValidator{ - Path: p.name, - In: "response", - Default: p.header.Default, - MultipleOf: p.header.MultipleOf, - Maximum: p.header.Maximum, - ExclusiveMaximum: p.header.ExclusiveMaximum, - Minimum: p.header.Minimum, - ExclusiveMinimum: p.header.ExclusiveMinimum, - Type: p.header.Type, - Format: p.header.Format, - } -} - -func (p *HeaderValidator) stringValidator() valueValidator { - return &stringValidator{ - Path: p.name, - In: "response", - Default: p.header.Default, - Required: true, - MaxLength: p.header.MaxLength, - MinLength: p.header.MinLength, - Pattern: p.header.Pattern, - AllowEmptyValue: false, - } -} - -func (p *HeaderValidator) formatValidator() valueValidator { - return &formatValidator{ - Path: p.name, - In: "response", - //Default: p.header.Default, - Format: p.header.Format, - KnownFormats: p.KnownFormats, - } -} - -// A ParamValidator has very limited subset of validations to apply -type ParamValidator struct { - param *spec.Parameter - validators []valueValidator - KnownFormats strfmt.Registry -} - -// NewParamValidator creates a new param validator object -func NewParamValidator(param *spec.Parameter, formats strfmt.Registry) *ParamValidator { - p := &ParamValidator{param: param, KnownFormats: formats} - p.validators = []valueValidator{ - &typeValidator{ - Type: spec.StringOrArray([]string{param.Type}), - Nullable: param.Nullable, - Format: param.Format, - In: param.In, - Path: param.Name, - }, - p.stringValidator(), - p.formatValidator(), - p.numberValidator(), - p.sliceValidator(), - p.commonValidator(), - } - return p -} - -// Validate the data against the description of the parameter -func (p *ParamValidator) Validate(data interface{}) *Result { - result := new(Result) - tpe := reflect.TypeOf(data) - kind := tpe.Kind() - - // TODO: validate type - for _, validator := range p.validators { - if validator.Applies(p.param, kind) { - if err := validator.Validate(data); err != nil { - result.Merge(err) - if err.HasErrors() { - return result - } - } - } - } - return nil -} - -func (p *ParamValidator) commonValidator() valueValidator { - return &basicCommonValidator{ - Path: p.param.Name, - In: p.param.In, - Default: p.param.Default, - Enum: p.param.Enum, - } -} - -func (p *ParamValidator) sliceValidator() valueValidator { - return &basicSliceValidator{ - Path: p.param.Name, - In: p.param.In, - Default: p.param.Default, - MaxItems: p.param.MaxItems, - MinItems: p.param.MinItems, - UniqueItems: p.param.UniqueItems, - Items: p.param.Items, - Source: p.param, - KnownFormats: p.KnownFormats, - } -} - -func (p *ParamValidator) numberValidator() valueValidator { - return &numberValidator{ - Path: p.param.Name, - In: p.param.In, - Default: p.param.Default, - MultipleOf: p.param.MultipleOf, - Maximum: p.param.Maximum, - ExclusiveMaximum: p.param.ExclusiveMaximum, - Minimum: p.param.Minimum, - ExclusiveMinimum: p.param.ExclusiveMinimum, - Type: p.param.Type, - Format: p.param.Format, - } -} - -func (p *ParamValidator) stringValidator() valueValidator { - return &stringValidator{ - Path: p.param.Name, - In: p.param.In, - Default: p.param.Default, - AllowEmptyValue: p.param.AllowEmptyValue, - Required: p.param.Required, - MaxLength: p.param.MaxLength, - MinLength: p.param.MinLength, - Pattern: p.param.Pattern, - } -} - -func (p *ParamValidator) formatValidator() valueValidator { - return &formatValidator{ - Path: p.param.Name, - In: p.param.In, - //Default: p.param.Default, - Format: p.param.Format, - KnownFormats: p.KnownFormats, - } -} - -type basicSliceValidator struct { - Path string - In string - Default interface{} - MaxItems *int64 - MinItems *int64 - UniqueItems bool - Items *spec.Items - Source interface{} - itemsValidator *itemsValidator - KnownFormats strfmt.Registry -} - -func (s *basicSliceValidator) SetPath(path string) { - s.Path = path -} - -func (s *basicSliceValidator) Applies(source interface{}, kind reflect.Kind) bool { - switch source.(type) { - case *spec.Parameter, *spec.Items, *spec.Header: - return kind == reflect.Slice - } - return false -} - -func (s *basicSliceValidator) Validate(data interface{}) *Result { - val := reflect.ValueOf(data) - - size := int64(val.Len()) - if s.MinItems != nil { - if err := MinItems(s.Path, s.In, size, *s.MinItems); err != nil { - return errorHelp.sErr(err) - } - } - - if s.MaxItems != nil { - if err := MaxItems(s.Path, s.In, size, *s.MaxItems); err != nil { - return errorHelp.sErr(err) - } - } - - if s.UniqueItems { - if err := UniqueItems(s.Path, s.In, data); err != nil { - return errorHelp.sErr(err) - } - } - - if s.itemsValidator == nil && s.Items != nil { - s.itemsValidator = newItemsValidator(s.Path, s.In, s.Items, s.Source, s.KnownFormats) - } - - if s.itemsValidator != nil { - for i := 0; i < int(size); i++ { - ele := val.Index(i) - if err := s.itemsValidator.Validate(i, ele.Interface()); err != nil && err.HasErrors() { - return err - } - } - } - return nil -} - -/* unused -func (s *basicSliceValidator) hasDuplicates(value reflect.Value, size int) bool { - dict := make(map[interface{}]struct{}) - for i := 0; i < size; i++ { - ele := value.Index(i) - if _, ok := dict[ele.Interface()]; ok { - return true - } - dict[ele.Interface()] = struct{}{} - } - return false -} -*/ - -type numberValidator struct { - Path string - In string - Default interface{} - MultipleOf *float64 - Maximum *float64 - ExclusiveMaximum bool - Minimum *float64 - ExclusiveMinimum bool - // Allows for more accurate behavior regarding integers - Type string - Format string -} - -func (n *numberValidator) SetPath(path string) { - n.Path = path -} - -func (n *numberValidator) Applies(source interface{}, kind reflect.Kind) bool { - switch source.(type) { - case *spec.Parameter, *spec.Schema, *spec.Items, *spec.Header: - isInt := kind >= reflect.Int && kind <= reflect.Uint64 - isFloat := kind == reflect.Float32 || kind == reflect.Float64 - r := isInt || isFloat - debugLog("schema props validator for %q applies %t for %T (kind: %v) isInt=%t, isFloat=%t\n", n.Path, r, source, kind, isInt, isFloat) - return r - } - debugLog("schema props validator for %q applies %t for %T (kind: %v)\n", n.Path, false, source, kind) - return false -} - -// Validate provides a validator for generic JSON numbers, -// -// By default, numbers are internally represented as float64. -// Formats float, or float32 may alter this behavior by mapping to float32. -// A special validation process is followed for integers, with optional "format": -// this is an attempt to provide a validation with native types. -// -// NOTE: since the constraint specified (boundary, multipleOf) is unmarshalled -// as float64, loss of information remains possible (e.g. on very large integers). -// -// Since this value directly comes from the unmarshalling, it is not possible -// at this stage of processing to check further and guarantee the correctness of such values. -// -// Normally, the JSON Number.MAX_SAFE_INTEGER (resp. Number.MIN_SAFE_INTEGER) -// would check we do not get such a loss. -// -// If this is the case, replace AddErrors() by AddWarnings() and IsValid() by !HasWarnings(). -// -// TODO: consider replacing boundary check errors by simple warnings. -// -// TODO: default boundaries with MAX_SAFE_INTEGER are not checked (specific to json.Number?) -func (n *numberValidator) Validate(val interface{}) *Result { - res := new(Result) - - resMultiple := new(Result) - resMinimum := new(Result) - resMaximum := new(Result) - - // Used only to attempt to validate constraint on value, - // even though value or constraint specified do not match type and format - data := valueHelp.asFloat64(val) - - // Is the provided value within the range of the specified numeric type and format? - res.AddErrors(IsValueValidAgainstRange(val, n.Type, n.Format, "Checked", n.Path)) - - // nolint: dupl - if n.MultipleOf != nil { - // Is the constraint specifier within the range of the specific numeric type and format? - resMultiple.AddErrors(IsValueValidAgainstRange(*n.MultipleOf, n.Type, n.Format, "MultipleOf", n.Path)) - if resMultiple.IsValid() { - // Constraint validated with compatible types - if err := MultipleOfNativeType(n.Path, n.In, val, *n.MultipleOf); err != nil { - resMultiple.Merge(errorHelp.sErr(err)) - } - } else { - // Constraint nevertheless validated, converted as general number - if err := MultipleOf(n.Path, n.In, data, *n.MultipleOf); err != nil { - resMultiple.Merge(errorHelp.sErr(err)) - } - } - } - - // nolint: dupl - if n.Maximum != nil { - // Is the constraint specifier within the range of the specific numeric type and format? - resMaximum.AddErrors(IsValueValidAgainstRange(*n.Maximum, n.Type, n.Format, "Maximum boundary", n.Path)) - if resMaximum.IsValid() { - // Constraint validated with compatible types - if err := MaximumNativeType(n.Path, n.In, val, *n.Maximum, n.ExclusiveMaximum); err != nil { - resMaximum.Merge(errorHelp.sErr(err)) - } - } else { - // Constraint nevertheless validated, converted as general number - if err := Maximum(n.Path, n.In, data, *n.Maximum, n.ExclusiveMaximum); err != nil { - resMaximum.Merge(errorHelp.sErr(err)) - } - } - } - - // nolint: dupl - if n.Minimum != nil { - // Is the constraint specifier within the range of the specific numeric type and format? - resMinimum.AddErrors(IsValueValidAgainstRange(*n.Minimum, n.Type, n.Format, "Minimum boundary", n.Path)) - if resMinimum.IsValid() { - // Constraint validated with compatible types - if err := MinimumNativeType(n.Path, n.In, val, *n.Minimum, n.ExclusiveMinimum); err != nil { - resMinimum.Merge(errorHelp.sErr(err)) - } - } else { - // Constraint nevertheless validated, converted as general number - if err := Minimum(n.Path, n.In, data, *n.Minimum, n.ExclusiveMinimum); err != nil { - resMinimum.Merge(errorHelp.sErr(err)) - } - } - } - res.Merge(resMultiple, resMinimum, resMaximum) - res.Inc() - return res -} - -type stringValidator struct { - Default interface{} - Required bool - AllowEmptyValue bool - MaxLength *int64 - MinLength *int64 - Pattern string - Path string - In string -} - -func (s *stringValidator) SetPath(path string) { - s.Path = path -} - -func (s *stringValidator) Applies(source interface{}, kind reflect.Kind) bool { - switch source.(type) { - case *spec.Parameter, *spec.Schema, *spec.Items, *spec.Header: - r := kind == reflect.String - debugLog("string validator for %q applies %t for %T (kind: %v)\n", s.Path, r, source, kind) - return r - } - debugLog("string validator for %q applies %t for %T (kind: %v)\n", s.Path, false, source, kind) - return false -} - -func (s *stringValidator) Validate(val interface{}) *Result { - data, ok := val.(string) - if !ok { - return errorHelp.sErr(errors.InvalidType(s.Path, s.In, stringType, val)) - } - - if s.Required && !s.AllowEmptyValue && (s.Default == nil || s.Default == "") { - if err := RequiredString(s.Path, s.In, data); err != nil { - return errorHelp.sErr(err) - } - } - - if s.MaxLength != nil { - if err := MaxLength(s.Path, s.In, data, *s.MaxLength); err != nil { - return errorHelp.sErr(err) - } - } - - if s.MinLength != nil { - if err := MinLength(s.Path, s.In, data, *s.MinLength); err != nil { - return errorHelp.sErr(err) - } - } - - if s.Pattern != "" { - if err := Pattern(s.Path, s.In, data, s.Pattern); err != nil { - return errorHelp.sErr(err) - } - } - return nil -} diff --git a/constraint/vendor/github.com/go-stack/stack/.travis.yml b/constraint/vendor/github.com/go-stack/stack/.travis.yml deleted file mode 100644 index 5c5a2b516..000000000 --- a/constraint/vendor/github.com/go-stack/stack/.travis.yml +++ /dev/null @@ -1,15 +0,0 @@ -language: go -sudo: false -go: - - 1.7.x - - 1.8.x - - 1.9.x - - 1.10.x - - 1.11.x - - tip - -before_install: - - go get github.com/mattn/goveralls - -script: - - goveralls -service=travis-ci diff --git a/constraint/vendor/github.com/go-stack/stack/README.md b/constraint/vendor/github.com/go-stack/stack/README.md deleted file mode 100644 index f11ccccaa..000000000 --- a/constraint/vendor/github.com/go-stack/stack/README.md +++ /dev/null @@ -1,38 +0,0 @@ -[![GoDoc](https://godoc.org/github.com/go-stack/stack?status.svg)](https://godoc.org/github.com/go-stack/stack) -[![Go Report Card](https://goreportcard.com/badge/go-stack/stack)](https://goreportcard.com/report/go-stack/stack) -[![TravisCI](https://travis-ci.org/go-stack/stack.svg?branch=master)](https://travis-ci.org/go-stack/stack) -[![Coverage Status](https://coveralls.io/repos/github/go-stack/stack/badge.svg?branch=master)](https://coveralls.io/github/go-stack/stack?branch=master) - -# stack - -Package stack implements utilities to capture, manipulate, and format call -stacks. It provides a simpler API than package runtime. - -The implementation takes care of the minutia and special cases of interpreting -the program counter (pc) values returned by runtime.Callers. - -## Versioning - -Package stack publishes releases via [semver](http://semver.org/) compatible Git -tags prefixed with a single 'v'. The master branch always contains the latest -release. The develop branch contains unreleased commits. - -## Formatting - -Package stack's types implement fmt.Formatter, which provides a simple and -flexible way to declaratively configure formatting when used with logging or -error tracking packages. - -```go -func DoTheThing() { - c := stack.Caller(0) - log.Print(c) // "source.go:10" - log.Printf("%+v", c) // "pkg/path/source.go:10" - log.Printf("%n", c) // "DoTheThing" - - s := stack.Trace().TrimRuntime() - log.Print(s) // "[source.go:15 caller.go:42 main.go:14]" -} -``` - -See the docs for all of the supported formatting options. diff --git a/constraint/vendor/github.com/go-stack/stack/go.mod b/constraint/vendor/github.com/go-stack/stack/go.mod deleted file mode 100644 index 96a53a109..000000000 --- a/constraint/vendor/github.com/go-stack/stack/go.mod +++ /dev/null @@ -1 +0,0 @@ -module github.com/go-stack/stack diff --git a/constraint/vendor/github.com/go-stack/stack/stack.go b/constraint/vendor/github.com/go-stack/stack/stack.go deleted file mode 100644 index ac3b93b14..000000000 --- a/constraint/vendor/github.com/go-stack/stack/stack.go +++ /dev/null @@ -1,400 +0,0 @@ -// +build go1.7 - -// Package stack implements utilities to capture, manipulate, and format call -// stacks. It provides a simpler API than package runtime. -// -// The implementation takes care of the minutia and special cases of -// interpreting the program counter (pc) values returned by runtime.Callers. -// -// Package stack's types implement fmt.Formatter, which provides a simple and -// flexible way to declaratively configure formatting when used with logging -// or error tracking packages. -package stack - -import ( - "bytes" - "errors" - "fmt" - "io" - "runtime" - "strconv" - "strings" -) - -// Call records a single function invocation from a goroutine stack. -type Call struct { - frame runtime.Frame -} - -// Caller returns a Call from the stack of the current goroutine. The argument -// skip is the number of stack frames to ascend, with 0 identifying the -// calling function. -func Caller(skip int) Call { - // As of Go 1.9 we need room for up to three PC entries. - // - // 0. An entry for the stack frame prior to the target to check for - // special handling needed if that prior entry is runtime.sigpanic. - // 1. A possible second entry to hold metadata about skipped inlined - // functions. If inline functions were not skipped the target frame - // PC will be here. - // 2. A third entry for the target frame PC when the second entry - // is used for skipped inline functions. - var pcs [3]uintptr - n := runtime.Callers(skip+1, pcs[:]) - frames := runtime.CallersFrames(pcs[:n]) - frame, _ := frames.Next() - frame, _ = frames.Next() - - return Call{ - frame: frame, - } -} - -// String implements fmt.Stinger. It is equivalent to fmt.Sprintf("%v", c). -func (c Call) String() string { - return fmt.Sprint(c) -} - -// MarshalText implements encoding.TextMarshaler. It formats the Call the same -// as fmt.Sprintf("%v", c). -func (c Call) MarshalText() ([]byte, error) { - if c.frame == (runtime.Frame{}) { - return nil, ErrNoFunc - } - - buf := bytes.Buffer{} - fmt.Fprint(&buf, c) - return buf.Bytes(), nil -} - -// ErrNoFunc means that the Call has a nil *runtime.Func. The most likely -// cause is a Call with the zero value. -var ErrNoFunc = errors.New("no call stack information") - -// Format implements fmt.Formatter with support for the following verbs. -// -// %s source file -// %d line number -// %n function name -// %k last segment of the package path -// %v equivalent to %s:%d -// -// It accepts the '+' and '#' flags for most of the verbs as follows. -// -// %+s path of source file relative to the compile time GOPATH, -// or the module path joined to the path of source file relative -// to module root -// %#s full path of source file -// %+n import path qualified function name -// %+k full package path -// %+v equivalent to %+s:%d -// %#v equivalent to %#s:%d -func (c Call) Format(s fmt.State, verb rune) { - if c.frame == (runtime.Frame{}) { - fmt.Fprintf(s, "%%!%c(NOFUNC)", verb) - return - } - - switch verb { - case 's', 'v': - file := c.frame.File - switch { - case s.Flag('#'): - // done - case s.Flag('+'): - file = pkgFilePath(&c.frame) - default: - const sep = "/" - if i := strings.LastIndex(file, sep); i != -1 { - file = file[i+len(sep):] - } - } - io.WriteString(s, file) - if verb == 'v' { - buf := [7]byte{':'} - s.Write(strconv.AppendInt(buf[:1], int64(c.frame.Line), 10)) - } - - case 'd': - buf := [6]byte{} - s.Write(strconv.AppendInt(buf[:0], int64(c.frame.Line), 10)) - - case 'k': - name := c.frame.Function - const pathSep = "/" - start, end := 0, len(name) - if i := strings.LastIndex(name, pathSep); i != -1 { - start = i + len(pathSep) - } - const pkgSep = "." - if i := strings.Index(name[start:], pkgSep); i != -1 { - end = start + i - } - if s.Flag('+') { - start = 0 - } - io.WriteString(s, name[start:end]) - - case 'n': - name := c.frame.Function - if !s.Flag('+') { - const pathSep = "/" - if i := strings.LastIndex(name, pathSep); i != -1 { - name = name[i+len(pathSep):] - } - const pkgSep = "." - if i := strings.Index(name, pkgSep); i != -1 { - name = name[i+len(pkgSep):] - } - } - io.WriteString(s, name) - } -} - -// Frame returns the call frame infomation for the Call. -func (c Call) Frame() runtime.Frame { - return c.frame -} - -// PC returns the program counter for this call frame; multiple frames may -// have the same PC value. -// -// Deprecated: Use Call.Frame instead. -func (c Call) PC() uintptr { - return c.frame.PC -} - -// CallStack records a sequence of function invocations from a goroutine -// stack. -type CallStack []Call - -// String implements fmt.Stinger. It is equivalent to fmt.Sprintf("%v", cs). -func (cs CallStack) String() string { - return fmt.Sprint(cs) -} - -var ( - openBracketBytes = []byte("[") - closeBracketBytes = []byte("]") - spaceBytes = []byte(" ") -) - -// MarshalText implements encoding.TextMarshaler. It formats the CallStack the -// same as fmt.Sprintf("%v", cs). -func (cs CallStack) MarshalText() ([]byte, error) { - buf := bytes.Buffer{} - buf.Write(openBracketBytes) - for i, pc := range cs { - if i > 0 { - buf.Write(spaceBytes) - } - fmt.Fprint(&buf, pc) - } - buf.Write(closeBracketBytes) - return buf.Bytes(), nil -} - -// Format implements fmt.Formatter by printing the CallStack as square brackets -// ([, ]) surrounding a space separated list of Calls each formatted with the -// supplied verb and options. -func (cs CallStack) Format(s fmt.State, verb rune) { - s.Write(openBracketBytes) - for i, pc := range cs { - if i > 0 { - s.Write(spaceBytes) - } - pc.Format(s, verb) - } - s.Write(closeBracketBytes) -} - -// Trace returns a CallStack for the current goroutine with element 0 -// identifying the calling function. -func Trace() CallStack { - var pcs [512]uintptr - n := runtime.Callers(1, pcs[:]) - - frames := runtime.CallersFrames(pcs[:n]) - cs := make(CallStack, 0, n) - - // Skip extra frame retrieved just to make sure the runtime.sigpanic - // special case is handled. - frame, more := frames.Next() - - for more { - frame, more = frames.Next() - cs = append(cs, Call{frame: frame}) - } - - return cs -} - -// TrimBelow returns a slice of the CallStack with all entries below c -// removed. -func (cs CallStack) TrimBelow(c Call) CallStack { - for len(cs) > 0 && cs[0] != c { - cs = cs[1:] - } - return cs -} - -// TrimAbove returns a slice of the CallStack with all entries above c -// removed. -func (cs CallStack) TrimAbove(c Call) CallStack { - for len(cs) > 0 && cs[len(cs)-1] != c { - cs = cs[:len(cs)-1] - } - return cs -} - -// pkgIndex returns the index that results in file[index:] being the path of -// file relative to the compile time GOPATH, and file[:index] being the -// $GOPATH/src/ portion of file. funcName must be the name of a function in -// file as returned by runtime.Func.Name. -func pkgIndex(file, funcName string) int { - // As of Go 1.6.2 there is no direct way to know the compile time GOPATH - // at runtime, but we can infer the number of path segments in the GOPATH. - // We note that runtime.Func.Name() returns the function name qualified by - // the import path, which does not include the GOPATH. Thus we can trim - // segments from the beginning of the file path until the number of path - // separators remaining is one more than the number of path separators in - // the function name. For example, given: - // - // GOPATH /home/user - // file /home/user/src/pkg/sub/file.go - // fn.Name() pkg/sub.Type.Method - // - // We want to produce: - // - // file[:idx] == /home/user/src/ - // file[idx:] == pkg/sub/file.go - // - // From this we can easily see that fn.Name() has one less path separator - // than our desired result for file[idx:]. We count separators from the - // end of the file path until it finds two more than in the function name - // and then move one character forward to preserve the initial path - // segment without a leading separator. - const sep = "/" - i := len(file) - for n := strings.Count(funcName, sep) + 2; n > 0; n-- { - i = strings.LastIndex(file[:i], sep) - if i == -1 { - i = -len(sep) - break - } - } - // get back to 0 or trim the leading separator - return i + len(sep) -} - -// pkgFilePath returns the frame's filepath relative to the compile-time GOPATH, -// or its module path joined to its path relative to the module root. -// -// As of Go 1.11 there is no direct way to know the compile time GOPATH or -// module paths at runtime, but we can piece together the desired information -// from available information. We note that runtime.Frame.Function contains the -// function name qualified by the package path, which includes the module path -// but not the GOPATH. We can extract the package path from that and append the -// last segments of the file path to arrive at the desired package qualified -// file path. For example, given: -// -// GOPATH /home/user -// import path pkg/sub -// frame.File /home/user/src/pkg/sub/file.go -// frame.Function pkg/sub.Type.Method -// Desired return pkg/sub/file.go -// -// It appears that we simply need to trim ".Type.Method" from frame.Function and -// append "/" + path.Base(file). -// -// But there are other wrinkles. Although it is idiomatic to do so, the internal -// name of a package is not required to match the last segment of its import -// path. In addition, the introduction of modules in Go 1.11 allows working -// without a GOPATH. So we also must make these work right: -// -// GOPATH /home/user -// import path pkg/go-sub -// package name sub -// frame.File /home/user/src/pkg/go-sub/file.go -// frame.Function pkg/sub.Type.Method -// Desired return pkg/go-sub/file.go -// -// Module path pkg/v2 -// import path pkg/v2/go-sub -// package name sub -// frame.File /home/user/cloned-pkg/go-sub/file.go -// frame.Function pkg/v2/sub.Type.Method -// Desired return pkg/v2/go-sub/file.go -// -// We can handle all of these situations by using the package path extracted -// from frame.Function up to, but not including, the last segment as the prefix -// and the last two segments of frame.File as the suffix of the returned path. -// This preserves the existing behavior when working in a GOPATH without modules -// and a semantically equivalent behavior when used in module aware project. -func pkgFilePath(frame *runtime.Frame) string { - pre := pkgPrefix(frame.Function) - post := pathSuffix(frame.File) - if pre == "" { - return post - } - return pre + "/" + post -} - -// pkgPrefix returns the import path of the function's package with the final -// segment removed. -func pkgPrefix(funcName string) string { - const pathSep = "/" - end := strings.LastIndex(funcName, pathSep) - if end == -1 { - return "" - } - return funcName[:end] -} - -// pathSuffix returns the last two segments of path. -func pathSuffix(path string) string { - const pathSep = "/" - lastSep := strings.LastIndex(path, pathSep) - if lastSep == -1 { - return path - } - return path[strings.LastIndex(path[:lastSep], pathSep)+1:] -} - -var runtimePath string - -func init() { - var pcs [3]uintptr - runtime.Callers(0, pcs[:]) - frames := runtime.CallersFrames(pcs[:]) - frame, _ := frames.Next() - file := frame.File - - idx := pkgIndex(frame.File, frame.Function) - - runtimePath = file[:idx] - if runtime.GOOS == "windows" { - runtimePath = strings.ToLower(runtimePath) - } -} - -func inGoroot(c Call) bool { - file := c.frame.File - if len(file) == 0 || file[0] == '?' { - return true - } - if runtime.GOOS == "windows" { - file = strings.ToLower(file) - } - return strings.HasPrefix(file, runtimePath) || strings.HasSuffix(file, "/_testmain.go") -} - -// TrimRuntime returns a slice of the CallStack with the topmost entries from -// the go runtime removed. It considers any calls originating from unknown -// files, files under GOROOT, or _testmain.go as part of the runtime. -func (cs CallStack) TrimRuntime() CallStack { - for len(cs) > 0 && inGoroot(cs[len(cs)-1]) { - cs = cs[:len(cs)-1] - } - return cs -} diff --git a/constraint/vendor/github.com/gogo/protobuf/proto/encode.go b/constraint/vendor/github.com/gogo/protobuf/proto/encode.go index 3abfed2cf..9581ccd30 100644 --- a/constraint/vendor/github.com/gogo/protobuf/proto/encode.go +++ b/constraint/vendor/github.com/gogo/protobuf/proto/encode.go @@ -189,6 +189,8 @@ type Marshaler interface { // prefixed by a varint-encoded length. func (p *Buffer) EncodeMessage(pb Message) error { siz := Size(pb) + sizVar := SizeVarint(uint64(siz)) + p.grow(siz + sizVar) p.EncodeVarint(uint64(siz)) return p.Marshal(pb) } diff --git a/constraint/vendor/github.com/gogo/protobuf/proto/properties.go b/constraint/vendor/github.com/gogo/protobuf/proto/properties.go index 62c55624a..28da1475f 100644 --- a/constraint/vendor/github.com/gogo/protobuf/proto/properties.go +++ b/constraint/vendor/github.com/gogo/protobuf/proto/properties.go @@ -43,7 +43,6 @@ package proto import ( "fmt" "log" - "os" "reflect" "sort" "strconv" @@ -205,7 +204,7 @@ func (p *Properties) Parse(s string) { // "bytes,49,opt,name=foo,def=hello!" fields := strings.Split(s, ",") // breaks def=, but handled below. if len(fields) < 2 { - fmt.Fprintf(os.Stderr, "proto: tag has too few fields: %q\n", s) + log.Printf("proto: tag has too few fields: %q", s) return } @@ -225,7 +224,7 @@ func (p *Properties) Parse(s string) { p.WireType = WireBytes // no numeric converter for non-numeric types default: - fmt.Fprintf(os.Stderr, "proto: tag has unknown wire type: %q\n", s) + log.Printf("proto: tag has unknown wire type: %q", s) return } diff --git a/constraint/vendor/github.com/gogo/protobuf/proto/table_marshal.go b/constraint/vendor/github.com/gogo/protobuf/proto/table_marshal.go index db9927a0c..f8babdefa 100644 --- a/constraint/vendor/github.com/gogo/protobuf/proto/table_marshal.go +++ b/constraint/vendor/github.com/gogo/protobuf/proto/table_marshal.go @@ -2969,7 +2969,9 @@ func (p *Buffer) Marshal(pb Message) error { if m, ok := pb.(newMarshaler); ok { siz := m.XXX_Size() p.grow(siz) // make sure buf has enough capacity - p.buf, err = m.XXX_Marshal(p.buf, p.deterministic) + pp := p.buf[len(p.buf) : len(p.buf) : len(p.buf)+siz] + pp, err = m.XXX_Marshal(pp, p.deterministic) + p.buf = append(p.buf, pp...) return err } if m, ok := pb.(Marshaler); ok { diff --git a/constraint/vendor/github.com/gogo/protobuf/proto/text.go b/constraint/vendor/github.com/gogo/protobuf/proto/text.go index 0407ba85d..87416afe9 100644 --- a/constraint/vendor/github.com/gogo/protobuf/proto/text.go +++ b/constraint/vendor/github.com/gogo/protobuf/proto/text.go @@ -476,6 +476,8 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { return nil } +var textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem() + // writeAny writes an arbitrary field. func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error { v = reflect.Indirect(v) @@ -589,8 +591,8 @@ func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Propert // mutating this value. v = v.Addr() } - if etm, ok := v.Interface().(encoding.TextMarshaler); ok { - text, err := etm.MarshalText() + if v.Type().Implements(textMarshalerType) { + text, err := v.Interface().(encoding.TextMarshaler).MarshalText() if err != nil { return err } diff --git a/constraint/vendor/github.com/gogo/protobuf/proto/text_parser.go b/constraint/vendor/github.com/gogo/protobuf/proto/text_parser.go index 1ce0be2fa..f85c0cc81 100644 --- a/constraint/vendor/github.com/gogo/protobuf/proto/text_parser.go +++ b/constraint/vendor/github.com/gogo/protobuf/proto/text_parser.go @@ -318,7 +318,7 @@ func unescape(s string) (ch string, tail string, err error) { if i > utf8.MaxRune { return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss) } - return string(i), s, nil + return string(rune(i)), s, nil } return "", "", fmt.Errorf(`unknown escape \%c`, r) } diff --git a/constraint/vendor/github.com/google/go-cmp/cmp/compare.go b/constraint/vendor/github.com/google/go-cmp/cmp/compare.go index 580ae2097..665618684 100644 --- a/constraint/vendor/github.com/google/go-cmp/cmp/compare.go +++ b/constraint/vendor/github.com/google/go-cmp/cmp/compare.go @@ -95,12 +95,12 @@ func Equal(x, y interface{}, opts ...Option) bool { return s.result.Equal() } -// Diff returns a human-readable report of the differences between two values. -// It returns an empty string if and only if Equal returns true for the same -// input values and options. +// Diff returns a human-readable report of the differences between two values: +// y - x. It returns an empty string if and only if Equal returns true for the +// same input values and options. // // The output is displayed as a literal in pseudo-Go syntax. -// At the start of each line, a "-" prefix indicates an element removed from x, +// At the start of each line, a "-" prefix indicates an element removed from y, // a "+" prefix to indicates an element added to y, and the lack of a prefix // indicates an element common to both x and y. If possible, the output // uses fmt.Stringer.String or error.Error methods to produce more humanly diff --git a/constraint/vendor/github.com/google/go-cmp/cmp/options.go b/constraint/vendor/github.com/google/go-cmp/cmp/options.go index abbd2a63b..4b0407a7f 100644 --- a/constraint/vendor/github.com/google/go-cmp/cmp/options.go +++ b/constraint/vendor/github.com/google/go-cmp/cmp/options.go @@ -225,11 +225,14 @@ func (validator) apply(s *state, vx, vy reflect.Value) { // Unable to Interface implies unexported field without visibility access. if !vx.CanInterface() || !vy.CanInterface() { - const help = "consider using a custom Comparer; if you control the implementation of type, you can also consider using an Exporter, AllowUnexported, or cmpopts.IgnoreUnexported" + help := "consider using a custom Comparer; if you control the implementation of type, you can also consider using an Exporter, AllowUnexported, or cmpopts.IgnoreUnexported" var name string if t := s.curPath.Index(-2).Type(); t.Name() != "" { // Named type with unexported fields. name = fmt.Sprintf("%q.%v", t.PkgPath(), t.Name()) // e.g., "path/to/package".MyType + if _, ok := reflect.New(t).Interface().(error); ok { + help = "consider using cmpopts.EquateErrors to compare error values" + } } else { // Unnamed type with unexported fields. Derive PkgPath from field. var pkgPath string diff --git a/constraint/vendor/github.com/google/go-cmp/cmp/report_reflect.go b/constraint/vendor/github.com/google/go-cmp/cmp/report_reflect.go index 2d722ea51..786f67126 100644 --- a/constraint/vendor/github.com/google/go-cmp/cmp/report_reflect.go +++ b/constraint/vendor/github.com/google/go-cmp/cmp/report_reflect.go @@ -5,6 +5,7 @@ package cmp import ( + "bytes" "fmt" "reflect" "strconv" @@ -125,21 +126,20 @@ func (opts formatOptions) FormatValue(v reflect.Value, parentKind reflect.Kind, // implementations crash when doing so. if (t.Kind() != reflect.Ptr && t.Kind() != reflect.Interface) || !v.IsNil() { var prefix, strVal string - switch v := v.Interface().(type) { - case error: - prefix, strVal = "e", v.Error() - case fmt.Stringer: - prefix, strVal = "s", v.String() - } - if prefix != "" { - maxLen := len(strVal) - if opts.LimitVerbosity { - maxLen = (1 << opts.verbosity()) << 5 // 32, 64, 128, 256, etc... + func() { + // Swallow and ignore any panics from String or Error. + defer func() { recover() }() + switch v := v.Interface().(type) { + case error: + strVal = v.Error() + prefix = "e" + case fmt.Stringer: + strVal = v.String() + prefix = "s" } - if len(strVal) > maxLen+len(textEllipsis) { - return textLine(prefix + formatString(strVal[:maxLen]) + string(textEllipsis)) - } - return textLine(prefix + formatString(strVal)) + }() + if prefix != "" { + return opts.formatString(prefix, strVal) } } } @@ -171,14 +171,7 @@ func (opts formatOptions) FormatValue(v reflect.Value, parentKind reflect.Kind, case reflect.Complex64, reflect.Complex128: return textLine(fmt.Sprint(v.Complex())) case reflect.String: - maxLen := v.Len() - if opts.LimitVerbosity { - maxLen = (1 << opts.verbosity()) << 5 // 32, 64, 128, 256, etc... - } - if v.Len() > maxLen+len(textEllipsis) { - return textLine(formatString(v.String()[:maxLen]) + string(textEllipsis)) - } - return textLine(formatString(v.String())) + return opts.formatString("", v.String()) case reflect.UnsafePointer, reflect.Chan, reflect.Func: return textLine(formatPointer(value.PointerOf(v), true)) case reflect.Struct: @@ -210,6 +203,17 @@ func (opts formatOptions) FormatValue(v reflect.Value, parentKind reflect.Kind, if v.IsNil() { return textNil } + + // Check whether this is a []byte of text data. + if t.Elem() == reflect.TypeOf(byte(0)) { + b := v.Bytes() + isPrintSpace := func(r rune) bool { return unicode.IsPrint(r) && unicode.IsSpace(r) } + if len(b) > 0 && utf8.Valid(b) && len(bytes.TrimFunc(b, isPrintSpace)) == 0 { + out = opts.formatString("", string(b)) + return opts.WithTypeMode(emitType).FormatType(t, out) + } + } + fallthrough case reflect.Array: maxLen := v.Len() @@ -295,6 +299,49 @@ func (opts formatOptions) FormatValue(v reflect.Value, parentKind reflect.Kind, } } +func (opts formatOptions) formatString(prefix, s string) textNode { + maxLen := len(s) + maxLines := strings.Count(s, "\n") + 1 + if opts.LimitVerbosity { + maxLen = (1 << opts.verbosity()) << 5 // 32, 64, 128, 256, etc... + maxLines = (1 << opts.verbosity()) << 2 // 4, 8, 16, 32, 64, etc... + } + + // For multiline strings, use the triple-quote syntax, + // but only use it when printing removed or inserted nodes since + // we only want the extra verbosity for those cases. + lines := strings.Split(strings.TrimSuffix(s, "\n"), "\n") + isTripleQuoted := len(lines) >= 4 && (opts.DiffMode == '-' || opts.DiffMode == '+') + for i := 0; i < len(lines) && isTripleQuoted; i++ { + lines[i] = strings.TrimPrefix(strings.TrimSuffix(lines[i], "\r"), "\r") // trim leading/trailing carriage returns for legacy Windows endline support + isPrintable := func(r rune) bool { + return unicode.IsPrint(r) || r == '\t' // specially treat tab as printable + } + line := lines[i] + isTripleQuoted = !strings.HasPrefix(strings.TrimPrefix(line, prefix), `"""`) && !strings.HasPrefix(line, "...") && strings.TrimFunc(line, isPrintable) == "" && len(line) <= maxLen + } + if isTripleQuoted { + var list textList + list = append(list, textRecord{Diff: opts.DiffMode, Value: textLine(prefix + `"""`), ElideComma: true}) + for i, line := range lines { + if numElided := len(lines) - i; i == maxLines-1 && numElided > 1 { + comment := commentString(fmt.Sprintf("%d elided lines", numElided)) + list = append(list, textRecord{Diff: opts.DiffMode, Value: textEllipsis, ElideComma: true, Comment: comment}) + break + } + list = append(list, textRecord{Diff: opts.DiffMode, Value: textLine(line), ElideComma: true}) + } + list = append(list, textRecord{Diff: opts.DiffMode, Value: textLine(prefix + `"""`), ElideComma: true}) + return &textWrap{Prefix: "(", Value: list, Suffix: ")"} + } + + // Format the string as a single-line quoted string. + if len(s) > maxLen+len(textEllipsis) { + return textLine(prefix + formatString(s[:maxLen]) + string(textEllipsis)) + } + return textLine(prefix + formatString(s)) +} + // formatMapKey formats v as if it were a map key. // The result is guaranteed to be a single line. func formatMapKey(v reflect.Value, disambiguate bool, ptrs *pointerReferences) string { diff --git a/constraint/vendor/github.com/google/gofuzz/README.md b/constraint/vendor/github.com/google/gofuzz/README.md index 64869af34..386c2a457 100644 --- a/constraint/vendor/github.com/google/gofuzz/README.md +++ b/constraint/vendor/github.com/google/gofuzz/README.md @@ -3,7 +3,7 @@ gofuzz gofuzz is a library for populating go objects with random values. -[![GoDoc](https://godoc.org/github.com/google/gofuzz?status.png)](https://godoc.org/github.com/google/gofuzz) +[![GoDoc](https://godoc.org/github.com/google/gofuzz?status.svg)](https://godoc.org/github.com/google/gofuzz) [![Travis](https://travis-ci.org/google/gofuzz.svg?branch=master)](https://travis-ci.org/google/gofuzz) This is useful for testing: diff --git a/constraint/vendor/github.com/google/gofuzz/fuzz.go b/constraint/vendor/github.com/google/gofuzz/fuzz.go index 1dfa80a6f..da0a5f938 100644 --- a/constraint/vendor/github.com/google/gofuzz/fuzz.go +++ b/constraint/vendor/github.com/google/gofuzz/fuzz.go @@ -20,6 +20,7 @@ import ( "fmt" "math/rand" "reflect" + "regexp" "time" ) @@ -28,13 +29,14 @@ type fuzzFuncMap map[reflect.Type]reflect.Value // Fuzzer knows how to fill any object with random fields. type Fuzzer struct { - fuzzFuncs fuzzFuncMap - defaultFuzzFuncs fuzzFuncMap - r *rand.Rand - nilChance float64 - minElements int - maxElements int - maxDepth int + fuzzFuncs fuzzFuncMap + defaultFuzzFuncs fuzzFuncMap + r *rand.Rand + nilChance float64 + minElements int + maxElements int + maxDepth int + skipFieldPatterns []*regexp.Regexp } // New returns a new Fuzzer. Customize your Fuzzer further by calling Funcs, @@ -150,6 +152,13 @@ func (f *Fuzzer) MaxDepth(d int) *Fuzzer { return f } +// Skip fields which match the supplied pattern. Call this multiple times if needed +// This is useful to skip XXX_ fields generated by protobuf +func (f *Fuzzer) SkipFieldsWithPattern(pattern *regexp.Regexp) *Fuzzer { + f.skipFieldPatterns = append(f.skipFieldPatterns, pattern) + return f +} + // Fuzz recursively fills all of obj's fields with something random. First // this tries to find a custom fuzz function (see Funcs). If there is no // custom function this tests whether the object implements fuzz.Interface and, @@ -274,7 +283,17 @@ func (fc *fuzzerContext) doFuzz(v reflect.Value, flags uint64) { v.Set(reflect.Zero(v.Type())) case reflect.Struct: for i := 0; i < v.NumField(); i++ { - fc.doFuzz(v.Field(i), 0) + skipField := false + fieldName := v.Type().Field(i).Name + for _, pattern := range fc.fuzzer.skipFieldPatterns { + if pattern.MatchString(fieldName) { + skipField = true + break + } + } + if !skipField { + fc.doFuzz(v.Field(i), 0) + } } case reflect.Chan: fallthrough diff --git a/constraint/vendor/github.com/googleapis/gnostic/compiler/reader.go b/constraint/vendor/github.com/googleapis/gnostic/compiler/reader.go index 25affd063..955b985b8 100644 --- a/constraint/vendor/github.com/googleapis/gnostic/compiler/reader.go +++ b/constraint/vendor/github.com/googleapis/gnostic/compiler/reader.go @@ -47,6 +47,14 @@ func initializeInfoCache() { } } +func EnableFileCache() { + fileCacheEnable = true +} + +func EnableInfoCache() { + infoCacheEnable = true +} + func DisableFileCache() { fileCacheEnable = false } @@ -78,10 +86,19 @@ func GetInfoCache() map[string]interface{} { return infoCache } +func ClearFileCache() { + fileCache = make(map[string][]byte, 0) +} + func ClearInfoCache() { infoCache = make(map[string]interface{}) } +func ClearCaches() { + ClearFileCache() + ClearInfoCache() +} + // FetchFile gets a specified file from the local filesystem or a remote location. func FetchFile(fileurl string) ([]byte, error) { var bytes []byte diff --git a/constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.go b/constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.go similarity index 100% rename from constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.go rename to constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.go diff --git a/constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.pb.go b/constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.pb.go similarity index 87% rename from constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.pb.go rename to constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.pb.go index 6199e7cb3..55a6cb516 100644 --- a/constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.pb.go +++ b/constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.pb.go @@ -1,5 +1,5 @@ // Code generated by protoc-gen-go. DO NOT EDIT. -// source: OpenAPIv2/OpenAPIv2.proto +// source: openapiv2/OpenAPIv2.proto package openapi_v2 @@ -35,7 +35,7 @@ func (m *AdditionalPropertiesItem) Reset() { *m = AdditionalPropertiesIt func (m *AdditionalPropertiesItem) String() string { return proto.CompactTextString(m) } func (*AdditionalPropertiesItem) ProtoMessage() {} func (*AdditionalPropertiesItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{0} + return fileDescriptor_a43d10d209cd31c2, []int{0} } func (m *AdditionalPropertiesItem) XXX_Unmarshal(b []byte) error { @@ -113,7 +113,7 @@ func (m *Any) Reset() { *m = Any{} } func (m *Any) String() string { return proto.CompactTextString(m) } func (*Any) ProtoMessage() {} func (*Any) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{1} + return fileDescriptor_a43d10d209cd31c2, []int{1} } func (m *Any) XXX_Unmarshal(b []byte) error { @@ -163,7 +163,7 @@ func (m *ApiKeySecurity) Reset() { *m = ApiKeySecurity{} } func (m *ApiKeySecurity) String() string { return proto.CompactTextString(m) } func (*ApiKeySecurity) ProtoMessage() {} func (*ApiKeySecurity) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{2} + return fileDescriptor_a43d10d209cd31c2, []int{2} } func (m *ApiKeySecurity) XXX_Unmarshal(b []byte) error { @@ -232,7 +232,7 @@ func (m *BasicAuthenticationSecurity) Reset() { *m = BasicAuthentication func (m *BasicAuthenticationSecurity) String() string { return proto.CompactTextString(m) } func (*BasicAuthenticationSecurity) ProtoMessage() {} func (*BasicAuthenticationSecurity) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{3} + return fileDescriptor_a43d10d209cd31c2, []int{3} } func (m *BasicAuthenticationSecurity) XXX_Unmarshal(b []byte) error { @@ -294,7 +294,7 @@ func (m *BodyParameter) Reset() { *m = BodyParameter{} } func (m *BodyParameter) String() string { return proto.CompactTextString(m) } func (*BodyParameter) ProtoMessage() {} func (*BodyParameter) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{4} + return fileDescriptor_a43d10d209cd31c2, []int{4} } func (m *BodyParameter) XXX_Unmarshal(b []byte) error { @@ -375,7 +375,7 @@ func (m *Contact) Reset() { *m = Contact{} } func (m *Contact) String() string { return proto.CompactTextString(m) } func (*Contact) ProtoMessage() {} func (*Contact) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{5} + return fileDescriptor_a43d10d209cd31c2, []int{5} } func (m *Contact) XXX_Unmarshal(b []byte) error { @@ -435,7 +435,7 @@ func (m *Default) Reset() { *m = Default{} } func (m *Default) String() string { return proto.CompactTextString(m) } func (*Default) ProtoMessage() {} func (*Default) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{6} + return fileDescriptor_a43d10d209cd31c2, []int{6} } func (m *Default) XXX_Unmarshal(b []byte) error { @@ -475,7 +475,7 @@ func (m *Definitions) Reset() { *m = Definitions{} } func (m *Definitions) String() string { return proto.CompactTextString(m) } func (*Definitions) ProtoMessage() {} func (*Definitions) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{7} + return fileDescriptor_a43d10d209cd31c2, []int{7} } func (m *Definitions) XXX_Unmarshal(b []byte) error { @@ -535,7 +535,7 @@ func (m *Document) Reset() { *m = Document{} } func (m *Document) String() string { return proto.CompactTextString(m) } func (*Document) ProtoMessage() {} func (*Document) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{8} + return fileDescriptor_a43d10d209cd31c2, []int{8} } func (m *Document) XXX_Unmarshal(b []byte) error { @@ -679,7 +679,7 @@ func (m *Examples) Reset() { *m = Examples{} } func (m *Examples) String() string { return proto.CompactTextString(m) } func (*Examples) ProtoMessage() {} func (*Examples) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{9} + return fileDescriptor_a43d10d209cd31c2, []int{9} } func (m *Examples) XXX_Unmarshal(b []byte) error { @@ -721,7 +721,7 @@ func (m *ExternalDocs) Reset() { *m = ExternalDocs{} } func (m *ExternalDocs) String() string { return proto.CompactTextString(m) } func (*ExternalDocs) ProtoMessage() {} func (*ExternalDocs) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{10} + return fileDescriptor_a43d10d209cd31c2, []int{10} } func (m *ExternalDocs) XXX_Unmarshal(b []byte) error { @@ -784,7 +784,7 @@ func (m *FileSchema) Reset() { *m = FileSchema{} } func (m *FileSchema) String() string { return proto.CompactTextString(m) } func (*FileSchema) ProtoMessage() {} func (*FileSchema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{11} + return fileDescriptor_a43d10d209cd31c2, []int{11} } func (m *FileSchema) XXX_Unmarshal(b []byte) error { @@ -913,7 +913,7 @@ func (m *FormDataParameterSubSchema) Reset() { *m = FormDataParameterSub func (m *FormDataParameterSubSchema) String() string { return proto.CompactTextString(m) } func (*FormDataParameterSubSchema) ProtoMessage() {} func (*FormDataParameterSubSchema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{12} + return fileDescriptor_a43d10d209cd31c2, []int{12} } func (m *FormDataParameterSubSchema) XXX_Unmarshal(b []byte) error { @@ -1124,7 +1124,7 @@ func (m *Header) Reset() { *m = Header{} } func (m *Header) String() string { return proto.CompactTextString(m) } func (*Header) ProtoMessage() {} func (*Header) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{13} + return fileDescriptor_a43d10d209cd31c2, []int{13} } func (m *Header) XXX_Unmarshal(b []byte) error { @@ -1314,7 +1314,7 @@ func (m *HeaderParameterSubSchema) Reset() { *m = HeaderParameterSubSche func (m *HeaderParameterSubSchema) String() string { return proto.CompactTextString(m) } func (*HeaderParameterSubSchema) ProtoMessage() {} func (*HeaderParameterSubSchema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{14} + return fileDescriptor_a43d10d209cd31c2, []int{14} } func (m *HeaderParameterSubSchema) XXX_Unmarshal(b []byte) error { @@ -1500,7 +1500,7 @@ func (m *Headers) Reset() { *m = Headers{} } func (m *Headers) String() string { return proto.CompactTextString(m) } func (*Headers) ProtoMessage() {} func (*Headers) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{15} + return fileDescriptor_a43d10d209cd31c2, []int{15} } func (m *Headers) XXX_Unmarshal(b []byte) error { @@ -1550,7 +1550,7 @@ func (m *Info) Reset() { *m = Info{} } func (m *Info) String() string { return proto.CompactTextString(m) } func (*Info) ProtoMessage() {} func (*Info) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{16} + return fileDescriptor_a43d10d209cd31c2, []int{16} } func (m *Info) XXX_Unmarshal(b []byte) error { @@ -1631,7 +1631,7 @@ func (m *ItemsItem) Reset() { *m = ItemsItem{} } func (m *ItemsItem) String() string { return proto.CompactTextString(m) } func (*ItemsItem) ProtoMessage() {} func (*ItemsItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{17} + return fileDescriptor_a43d10d209cd31c2, []int{17} } func (m *ItemsItem) XXX_Unmarshal(b []byte) error { @@ -1671,7 +1671,7 @@ func (m *JsonReference) Reset() { *m = JsonReference{} } func (m *JsonReference) String() string { return proto.CompactTextString(m) } func (*JsonReference) ProtoMessage() {} func (*JsonReference) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{18} + return fileDescriptor_a43d10d209cd31c2, []int{18} } func (m *JsonReference) XXX_Unmarshal(b []byte) error { @@ -1721,7 +1721,7 @@ func (m *License) Reset() { *m = License{} } func (m *License) String() string { return proto.CompactTextString(m) } func (*License) ProtoMessage() {} func (*License) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{19} + return fileDescriptor_a43d10d209cd31c2, []int{19} } func (m *License) XXX_Unmarshal(b []byte) error { @@ -1778,7 +1778,7 @@ func (m *NamedAny) Reset() { *m = NamedAny{} } func (m *NamedAny) String() string { return proto.CompactTextString(m) } func (*NamedAny) ProtoMessage() {} func (*NamedAny) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{20} + return fileDescriptor_a43d10d209cd31c2, []int{20} } func (m *NamedAny) XXX_Unmarshal(b []byte) error { @@ -1828,7 +1828,7 @@ func (m *NamedHeader) Reset() { *m = NamedHeader{} } func (m *NamedHeader) String() string { return proto.CompactTextString(m) } func (*NamedHeader) ProtoMessage() {} func (*NamedHeader) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{21} + return fileDescriptor_a43d10d209cd31c2, []int{21} } func (m *NamedHeader) XXX_Unmarshal(b []byte) error { @@ -1878,7 +1878,7 @@ func (m *NamedParameter) Reset() { *m = NamedParameter{} } func (m *NamedParameter) String() string { return proto.CompactTextString(m) } func (*NamedParameter) ProtoMessage() {} func (*NamedParameter) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{22} + return fileDescriptor_a43d10d209cd31c2, []int{22} } func (m *NamedParameter) XXX_Unmarshal(b []byte) error { @@ -1928,7 +1928,7 @@ func (m *NamedPathItem) Reset() { *m = NamedPathItem{} } func (m *NamedPathItem) String() string { return proto.CompactTextString(m) } func (*NamedPathItem) ProtoMessage() {} func (*NamedPathItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{23} + return fileDescriptor_a43d10d209cd31c2, []int{23} } func (m *NamedPathItem) XXX_Unmarshal(b []byte) error { @@ -1978,7 +1978,7 @@ func (m *NamedResponse) Reset() { *m = NamedResponse{} } func (m *NamedResponse) String() string { return proto.CompactTextString(m) } func (*NamedResponse) ProtoMessage() {} func (*NamedResponse) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{24} + return fileDescriptor_a43d10d209cd31c2, []int{24} } func (m *NamedResponse) XXX_Unmarshal(b []byte) error { @@ -2028,7 +2028,7 @@ func (m *NamedResponseValue) Reset() { *m = NamedResponseValue{} } func (m *NamedResponseValue) String() string { return proto.CompactTextString(m) } func (*NamedResponseValue) ProtoMessage() {} func (*NamedResponseValue) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{25} + return fileDescriptor_a43d10d209cd31c2, []int{25} } func (m *NamedResponseValue) XXX_Unmarshal(b []byte) error { @@ -2078,7 +2078,7 @@ func (m *NamedSchema) Reset() { *m = NamedSchema{} } func (m *NamedSchema) String() string { return proto.CompactTextString(m) } func (*NamedSchema) ProtoMessage() {} func (*NamedSchema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{26} + return fileDescriptor_a43d10d209cd31c2, []int{26} } func (m *NamedSchema) XXX_Unmarshal(b []byte) error { @@ -2128,7 +2128,7 @@ func (m *NamedSecurityDefinitionsItem) Reset() { *m = NamedSecurityDefin func (m *NamedSecurityDefinitionsItem) String() string { return proto.CompactTextString(m) } func (*NamedSecurityDefinitionsItem) ProtoMessage() {} func (*NamedSecurityDefinitionsItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{27} + return fileDescriptor_a43d10d209cd31c2, []int{27} } func (m *NamedSecurityDefinitionsItem) XXX_Unmarshal(b []byte) error { @@ -2178,7 +2178,7 @@ func (m *NamedString) Reset() { *m = NamedString{} } func (m *NamedString) String() string { return proto.CompactTextString(m) } func (*NamedString) ProtoMessage() {} func (*NamedString) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{28} + return fileDescriptor_a43d10d209cd31c2, []int{28} } func (m *NamedString) XXX_Unmarshal(b []byte) error { @@ -2228,7 +2228,7 @@ func (m *NamedStringArray) Reset() { *m = NamedStringArray{} } func (m *NamedStringArray) String() string { return proto.CompactTextString(m) } func (*NamedStringArray) ProtoMessage() {} func (*NamedStringArray) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{29} + return fileDescriptor_a43d10d209cd31c2, []int{29} } func (m *NamedStringArray) XXX_Unmarshal(b []byte) error { @@ -2279,7 +2279,7 @@ func (m *NonBodyParameter) Reset() { *m = NonBodyParameter{} } func (m *NonBodyParameter) String() string { return proto.CompactTextString(m) } func (*NonBodyParameter) ProtoMessage() {} func (*NonBodyParameter) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{30} + return fileDescriptor_a43d10d209cd31c2, []int{30} } func (m *NonBodyParameter) XXX_Unmarshal(b []byte) error { @@ -2390,7 +2390,7 @@ func (m *Oauth2AccessCodeSecurity) Reset() { *m = Oauth2AccessCodeSecuri func (m *Oauth2AccessCodeSecurity) String() string { return proto.CompactTextString(m) } func (*Oauth2AccessCodeSecurity) ProtoMessage() {} func (*Oauth2AccessCodeSecurity) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{31} + return fileDescriptor_a43d10d209cd31c2, []int{31} } func (m *Oauth2AccessCodeSecurity) XXX_Unmarshal(b []byte) error { @@ -2476,7 +2476,7 @@ func (m *Oauth2ApplicationSecurity) Reset() { *m = Oauth2ApplicationSecu func (m *Oauth2ApplicationSecurity) String() string { return proto.CompactTextString(m) } func (*Oauth2ApplicationSecurity) ProtoMessage() {} func (*Oauth2ApplicationSecurity) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{32} + return fileDescriptor_a43d10d209cd31c2, []int{32} } func (m *Oauth2ApplicationSecurity) XXX_Unmarshal(b []byte) error { @@ -2555,7 +2555,7 @@ func (m *Oauth2ImplicitSecurity) Reset() { *m = Oauth2ImplicitSecurity{} func (m *Oauth2ImplicitSecurity) String() string { return proto.CompactTextString(m) } func (*Oauth2ImplicitSecurity) ProtoMessage() {} func (*Oauth2ImplicitSecurity) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{33} + return fileDescriptor_a43d10d209cd31c2, []int{33} } func (m *Oauth2ImplicitSecurity) XXX_Unmarshal(b []byte) error { @@ -2634,7 +2634,7 @@ func (m *Oauth2PasswordSecurity) Reset() { *m = Oauth2PasswordSecurity{} func (m *Oauth2PasswordSecurity) String() string { return proto.CompactTextString(m) } func (*Oauth2PasswordSecurity) ProtoMessage() {} func (*Oauth2PasswordSecurity) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{34} + return fileDescriptor_a43d10d209cd31c2, []int{34} } func (m *Oauth2PasswordSecurity) XXX_Unmarshal(b []byte) error { @@ -2708,7 +2708,7 @@ func (m *Oauth2Scopes) Reset() { *m = Oauth2Scopes{} } func (m *Oauth2Scopes) String() string { return proto.CompactTextString(m) } func (*Oauth2Scopes) ProtoMessage() {} func (*Oauth2Scopes) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{35} + return fileDescriptor_a43d10d209cd31c2, []int{35} } func (m *Oauth2Scopes) XXX_Unmarshal(b []byte) error { @@ -2766,7 +2766,7 @@ func (m *Operation) Reset() { *m = Operation{} } func (m *Operation) String() string { return proto.CompactTextString(m) } func (*Operation) ProtoMessage() {} func (*Operation) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{36} + return fileDescriptor_a43d10d209cd31c2, []int{36} } func (m *Operation) XXX_Unmarshal(b []byte) error { @@ -2892,7 +2892,7 @@ func (m *Parameter) Reset() { *m = Parameter{} } func (m *Parameter) String() string { return proto.CompactTextString(m) } func (*Parameter) ProtoMessage() {} func (*Parameter) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{37} + return fileDescriptor_a43d10d209cd31c2, []int{37} } func (m *Parameter) XXX_Unmarshal(b []byte) error { @@ -2970,7 +2970,7 @@ func (m *ParameterDefinitions) Reset() { *m = ParameterDefinitions{} } func (m *ParameterDefinitions) String() string { return proto.CompactTextString(m) } func (*ParameterDefinitions) ProtoMessage() {} func (*ParameterDefinitions) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{38} + return fileDescriptor_a43d10d209cd31c2, []int{38} } func (m *ParameterDefinitions) XXX_Unmarshal(b []byte) error { @@ -3012,7 +3012,7 @@ func (m *ParametersItem) Reset() { *m = ParametersItem{} } func (m *ParametersItem) String() string { return proto.CompactTextString(m) } func (*ParametersItem) ProtoMessage() {} func (*ParametersItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{39} + return fileDescriptor_a43d10d209cd31c2, []int{39} } func (m *ParametersItem) XXX_Unmarshal(b []byte) error { @@ -3099,7 +3099,7 @@ func (m *PathItem) Reset() { *m = PathItem{} } func (m *PathItem) String() string { return proto.CompactTextString(m) } func (*PathItem) ProtoMessage() {} func (*PathItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{40} + return fileDescriptor_a43d10d209cd31c2, []int{40} } func (m *PathItem) XXX_Unmarshal(b []byte) error { @@ -3226,7 +3226,7 @@ func (m *PathParameterSubSchema) Reset() { *m = PathParameterSubSchema{} func (m *PathParameterSubSchema) String() string { return proto.CompactTextString(m) } func (*PathParameterSubSchema) ProtoMessage() {} func (*PathParameterSubSchema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{41} + return fileDescriptor_a43d10d209cd31c2, []int{41} } func (m *PathParameterSubSchema) XXX_Unmarshal(b []byte) error { @@ -3414,7 +3414,7 @@ func (m *Paths) Reset() { *m = Paths{} } func (m *Paths) String() string { return proto.CompactTextString(m) } func (*Paths) ProtoMessage() {} func (*Paths) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{42} + return fileDescriptor_a43d10d209cd31c2, []int{42} } func (m *Paths) XXX_Unmarshal(b []byte) error { @@ -3477,7 +3477,7 @@ func (m *PrimitivesItems) Reset() { *m = PrimitivesItems{} } func (m *PrimitivesItems) String() string { return proto.CompactTextString(m) } func (*PrimitivesItems) ProtoMessage() {} func (*PrimitivesItems) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{43} + return fileDescriptor_a43d10d209cd31c2, []int{43} } func (m *PrimitivesItems) XXX_Unmarshal(b []byte) error { @@ -3635,7 +3635,7 @@ func (m *Properties) Reset() { *m = Properties{} } func (m *Properties) String() string { return proto.CompactTextString(m) } func (*Properties) ProtoMessage() {} func (*Properties) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{44} + return fileDescriptor_a43d10d209cd31c2, []int{44} } func (m *Properties) XXX_Unmarshal(b []byte) error { @@ -3701,7 +3701,7 @@ func (m *QueryParameterSubSchema) Reset() { *m = QueryParameterSubSchema func (m *QueryParameterSubSchema) String() string { return proto.CompactTextString(m) } func (*QueryParameterSubSchema) ProtoMessage() {} func (*QueryParameterSubSchema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{45} + return fileDescriptor_a43d10d209cd31c2, []int{45} } func (m *QueryParameterSubSchema) XXX_Unmarshal(b []byte) error { @@ -3898,7 +3898,7 @@ func (m *Response) Reset() { *m = Response{} } func (m *Response) String() string { return proto.CompactTextString(m) } func (*Response) ProtoMessage() {} func (*Response) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{46} + return fileDescriptor_a43d10d209cd31c2, []int{46} } func (m *Response) XXX_Unmarshal(b []byte) error { @@ -3966,7 +3966,7 @@ func (m *ResponseDefinitions) Reset() { *m = ResponseDefinitions{} } func (m *ResponseDefinitions) String() string { return proto.CompactTextString(m) } func (*ResponseDefinitions) ProtoMessage() {} func (*ResponseDefinitions) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{47} + return fileDescriptor_a43d10d209cd31c2, []int{47} } func (m *ResponseDefinitions) XXX_Unmarshal(b []byte) error { @@ -4008,7 +4008,7 @@ func (m *ResponseValue) Reset() { *m = ResponseValue{} } func (m *ResponseValue) String() string { return proto.CompactTextString(m) } func (*ResponseValue) ProtoMessage() {} func (*ResponseValue) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{48} + return fileDescriptor_a43d10d209cd31c2, []int{48} } func (m *ResponseValue) XXX_Unmarshal(b []byte) error { @@ -4087,7 +4087,7 @@ func (m *Responses) Reset() { *m = Responses{} } func (m *Responses) String() string { return proto.CompactTextString(m) } func (*Responses) ProtoMessage() {} func (*Responses) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{49} + return fileDescriptor_a43d10d209cd31c2, []int{49} } func (m *Responses) XXX_Unmarshal(b []byte) error { @@ -4164,7 +4164,7 @@ func (m *Schema) Reset() { *m = Schema{} } func (m *Schema) String() string { return proto.CompactTextString(m) } func (*Schema) ProtoMessage() {} func (*Schema) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{50} + return fileDescriptor_a43d10d209cd31c2, []int{50} } func (m *Schema) XXX_Unmarshal(b []byte) error { @@ -4416,7 +4416,7 @@ func (m *SchemaItem) Reset() { *m = SchemaItem{} } func (m *SchemaItem) String() string { return proto.CompactTextString(m) } func (*SchemaItem) ProtoMessage() {} func (*SchemaItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{51} + return fileDescriptor_a43d10d209cd31c2, []int{51} } func (m *SchemaItem) XXX_Unmarshal(b []byte) error { @@ -4493,7 +4493,7 @@ func (m *SecurityDefinitions) Reset() { *m = SecurityDefinitions{} } func (m *SecurityDefinitions) String() string { return proto.CompactTextString(m) } func (*SecurityDefinitions) ProtoMessage() {} func (*SecurityDefinitions) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{52} + return fileDescriptor_a43d10d209cd31c2, []int{52} } func (m *SecurityDefinitions) XXX_Unmarshal(b []byte) error { @@ -4539,7 +4539,7 @@ func (m *SecurityDefinitionsItem) Reset() { *m = SecurityDefinitionsItem func (m *SecurityDefinitionsItem) String() string { return proto.CompactTextString(m) } func (*SecurityDefinitionsItem) ProtoMessage() {} func (*SecurityDefinitionsItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{53} + return fileDescriptor_a43d10d209cd31c2, []int{53} } func (m *SecurityDefinitionsItem) XXX_Unmarshal(b []byte) error { @@ -4672,7 +4672,7 @@ func (m *SecurityRequirement) Reset() { *m = SecurityRequirement{} } func (m *SecurityRequirement) String() string { return proto.CompactTextString(m) } func (*SecurityRequirement) ProtoMessage() {} func (*SecurityRequirement) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{54} + return fileDescriptor_a43d10d209cd31c2, []int{54} } func (m *SecurityRequirement) XXX_Unmarshal(b []byte) error { @@ -4711,7 +4711,7 @@ func (m *StringArray) Reset() { *m = StringArray{} } func (m *StringArray) String() string { return proto.CompactTextString(m) } func (*StringArray) ProtoMessage() {} func (*StringArray) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{55} + return fileDescriptor_a43d10d209cd31c2, []int{55} } func (m *StringArray) XXX_Unmarshal(b []byte) error { @@ -4753,7 +4753,7 @@ func (m *Tag) Reset() { *m = Tag{} } func (m *Tag) String() string { return proto.CompactTextString(m) } func (*Tag) ProtoMessage() {} func (*Tag) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{56} + return fileDescriptor_a43d10d209cd31c2, []int{56} } func (m *Tag) XXX_Unmarshal(b []byte) error { @@ -4813,7 +4813,7 @@ func (m *TypeItem) Reset() { *m = TypeItem{} } func (m *TypeItem) String() string { return proto.CompactTextString(m) } func (*TypeItem) ProtoMessage() {} func (*TypeItem) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{57} + return fileDescriptor_a43d10d209cd31c2, []int{57} } func (m *TypeItem) XXX_Unmarshal(b []byte) error { @@ -4853,7 +4853,7 @@ func (m *VendorExtension) Reset() { *m = VendorExtension{} } func (m *VendorExtension) String() string { return proto.CompactTextString(m) } func (*VendorExtension) ProtoMessage() {} func (*VendorExtension) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{58} + return fileDescriptor_a43d10d209cd31c2, []int{58} } func (m *VendorExtension) XXX_Unmarshal(b []byte) error { @@ -4897,7 +4897,7 @@ func (m *Xml) Reset() { *m = Xml{} } func (m *Xml) String() string { return proto.CompactTextString(m) } func (*Xml) ProtoMessage() {} func (*Xml) Descriptor() ([]byte, []int) { - return fileDescriptor_336adc04ae589d92, []int{59} + return fileDescriptor_a43d10d209cd31c2, []int{59} } func (m *Xml) XXX_Unmarshal(b []byte) error { @@ -5023,204 +5023,204 @@ func init() { proto.RegisterType((*Xml)(nil), "openapi.v2.Xml") } -func init() { proto.RegisterFile("OpenAPIv2/OpenAPIv2.proto", fileDescriptor_336adc04ae589d92) } +func init() { proto.RegisterFile("openapiv2/OpenAPIv2.proto", fileDescriptor_a43d10d209cd31c2) } -var fileDescriptor_336adc04ae589d92 = []byte{ - // 3129 bytes of a gzipped FileDescriptorProto +var fileDescriptor_a43d10d209cd31c2 = []byte{ + // 3130 bytes of a gzipped FileDescriptorProto 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xec, 0x3b, 0x4b, 0x73, 0x1c, 0x57, 0xd5, 0xf3, 0x7e, 0x1c, 0x69, 0x46, 0xa3, 0x96, 0x2c, 0xb7, 0x24, 0xc7, 0x71, 0xe4, 0x3c, 0x6c, 0xe7, 0xb3, 0x9c, 0x4f, 0x29, 0x48, 0x05, 0x2a, 0x05, 0xf2, 0xab, 0xc6, 0xc4, 0x44, 0x4a, 0xcb, 0x0e, 0x09, 0x04, 0xba, 0xae, 0x66, 0xee, 0x48, 0x9d, 0x74, 0xf7, 0x6d, 0x77, 0xf7, 0xc8, 0x1a, 0x16, 0x2c, 0xa0, 0x8a, 0x35, 0x50, 0x59, 0x53, 0x15, 0x16, 0x14, 0x55, 0x59, 0xb0, 0x62, 0xc5, - 0x1f, 0x60, 0xc7, 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0xf4, 0xa2, 0x09, 0x9a, 0xca, 0x3c, 0xf5, + 0x91, 0xe7, 0xe1, 0xbe, 0x38, 0x82, 0xcb, 0xe1, 0x99, 0xfb, 0x98, 0xb7, 0x5f, 0x85, 0x36, 0xf1, + 0x8f, 0x24, 0xae, 0x79, 0xb2, 0x73, 0x7b, 0x51, 0x7c, 0xbb, 0xba, 0xef, 0x93, 0x90, 0xec, 0x17, + 0x7f, 0x51, 0x2a, 0xef, 0xed, 0x1e, 0x1c, 0xd6, 0xd8, 0xc7, 0xa0, 0x6f, 0xfe, 0x33, 0x00, 0x00, + 0xff, 0xff, 0xdc, 0xb2, 0x46, 0x98, 0xe4, 0x3a, 0x00, 0x00, } diff --git a/constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.proto b/constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.proto similarity index 100% rename from constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.proto rename to constraint/vendor/github.com/googleapis/gnostic/openapiv2/OpenAPIv2.proto diff --git a/constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/README.md b/constraint/vendor/github.com/googleapis/gnostic/openapiv2/README.md similarity index 100% rename from constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/README.md rename to constraint/vendor/github.com/googleapis/gnostic/openapiv2/README.md diff --git a/constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/openapi-2.0.json b/constraint/vendor/github.com/googleapis/gnostic/openapiv2/openapi-2.0.json similarity index 100% rename from constraint/vendor/github.com/googleapis/gnostic/OpenAPIv2/openapi-2.0.json rename to constraint/vendor/github.com/googleapis/gnostic/openapiv2/openapi-2.0.json diff --git a/constraint/vendor/github.com/hpcloud/tail/.gitignore b/constraint/vendor/github.com/hpcloud/tail/.gitignore deleted file mode 100644 index 6d9953c3c..000000000 --- a/constraint/vendor/github.com/hpcloud/tail/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -.test -.go - diff --git a/constraint/vendor/github.com/hpcloud/tail/CHANGES.md b/constraint/vendor/github.com/hpcloud/tail/CHANGES.md deleted file mode 100644 index 422790c07..000000000 --- a/constraint/vendor/github.com/hpcloud/tail/CHANGES.md +++ /dev/null @@ -1,63 +0,0 @@ -# API v1 (gopkg.in/hpcloud/tail.v1) - -## April, 2016 - -* Migrated to godep, as depman is not longer supported -* Introduced golang vendoring feature -* Fixed issue [#57](https://github.com/hpcloud/tail/issues/57) related to reopen deleted file - -## July, 2015 - -* Fix inotify watcher leak; remove `Cleanup` (#51) - -# API v0 (gopkg.in/hpcloud/tail.v0) - -## June, 2015 - -* Don't return partial lines (PR #40) -* Use stable version of fsnotify (#46) - -## July, 2014 - -* Fix tail for Windows (PR #36) - -## May, 2014 - -* Improved rate limiting using leaky bucket (PR #29) -* Fix odd line splitting (PR #30) - -## Apr, 2014 - -* LimitRate now discards read buffer (PR #28) -* allow reading of longer lines if MaxLineSize is unset (PR #24) -* updated deps.json to latest fsnotify (441bbc86b1) - -## Feb, 2014 - -* added `Config.Logger` to suppress library logging - -## Nov, 2013 - -* add Cleanup to remove leaky inotify watches (PR #20) - -## Aug, 2013 - -* redesigned Location field (PR #12) -* add tail.Tell (PR #14) - -## July, 2013 - -* Rate limiting (PR #10) - -## May, 2013 - -* Detect file deletions/renames in polling file watcher (PR #1) -* Detect file truncation -* Fix potential race condition when reopening the file (issue 5) -* Fix potential blocking of `tail.Stop` (issue 4) -* Fix uncleaned up ChangeEvents goroutines after calling tail.Stop -* Support Follow=false - -## Feb, 2013 - -* Initial open source release diff --git a/constraint/vendor/github.com/hpcloud/tail/Dockerfile b/constraint/vendor/github.com/hpcloud/tail/Dockerfile deleted file mode 100644 index cd297b940..000000000 --- a/constraint/vendor/github.com/hpcloud/tail/Dockerfile +++ /dev/null @@ -1,19 +0,0 @@ -FROM golang - -RUN mkdir -p $GOPATH/src/github.com/hpcloud/tail/ -ADD . $GOPATH/src/github.com/hpcloud/tail/ - -# expecting to fetch dependencies successfully. -RUN go get -v github.com/hpcloud/tail - -# expecting to run the test successfully. -RUN go test -v github.com/hpcloud/tail - -# expecting to install successfully -RUN go install -v github.com/hpcloud/tail -RUN go install -v github.com/hpcloud/tail/cmd/gotail - -RUN $GOPATH/bin/gotail -h || true - -ENV PATH $GOPATH/bin:$PATH -CMD ["gotail"] diff --git a/constraint/vendor/github.com/hpcloud/tail/Makefile b/constraint/vendor/github.com/hpcloud/tail/Makefile deleted file mode 100644 index 6591b24fc..000000000 --- a/constraint/vendor/github.com/hpcloud/tail/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -default: test - -test: *.go - go test -v -race ./... - -fmt: - gofmt -w . - -# Run the test in an isolated environment. -fulltest: - docker build -t hpcloud/tail . diff --git a/constraint/vendor/github.com/hpcloud/tail/README.md b/constraint/vendor/github.com/hpcloud/tail/README.md deleted file mode 100644 index fb7fbc26c..000000000 --- a/constraint/vendor/github.com/hpcloud/tail/README.md +++ /dev/null @@ -1,28 +0,0 @@ -[![Build Status](https://travis-ci.org/hpcloud/tail.svg)](https://travis-ci.org/hpcloud/tail) -[![Build status](https://ci.appveyor.com/api/projects/status/kohpsf3rvhjhrox6?svg=true)](https://ci.appveyor.com/project/HelionCloudFoundry/tail) - -# Go package for tail-ing files - -A Go package striving to emulate the features of the BSD `tail` program. - -```Go -t, err := tail.TailFile("/var/log/nginx.log", tail.Config{Follow: true}) -for line := range t.Lines { - fmt.Println(line.Text) -} -``` - -See [API documentation](http://godoc.org/github.com/hpcloud/tail). - -## Log rotation - -Tail comes with full support for truncation/move detection as it is -designed to work with log rotation tools. - -## Installing - - go get github.com/hpcloud/tail/... - -## Windows support - -This package [needs assistance](https://github.com/hpcloud/tail/labels/Windows) for full Windows support. diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/LICENSE b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/LICENSE new file mode 100644 index 000000000..8dada3eda --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "{}" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright {yyyy} {name of copyright owner} + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/NOTICE b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/NOTICE new file mode 100644 index 000000000..5d8cb5b72 --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/NOTICE @@ -0,0 +1 @@ +Copyright 2012 Matt T. Proud (matt.proud@gmail.com) diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore new file mode 100644 index 000000000..e16fb946b --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore @@ -0,0 +1 @@ +cover.dat diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile new file mode 100644 index 000000000..81be21437 --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile @@ -0,0 +1,7 @@ +all: + +cover: + go test -cover -v -coverprofile=cover.dat ./... + go tool cover -func cover.dat + +.PHONY: cover diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go new file mode 100644 index 000000000..258c0636a --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go @@ -0,0 +1,75 @@ +// Copyright 2013 Matt T. Proud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package pbutil + +import ( + "encoding/binary" + "errors" + "io" + + "github.com/golang/protobuf/proto" +) + +var errInvalidVarint = errors.New("invalid varint32 encountered") + +// ReadDelimited decodes a message from the provided length-delimited stream, +// where the length is encoded as 32-bit varint prefix to the message body. +// It returns the total number of bytes read and any applicable error. This is +// roughly equivalent to the companion Java API's +// MessageLite#parseDelimitedFrom. As per the reader contract, this function +// calls r.Read repeatedly as required until exactly one message including its +// prefix is read and decoded (or an error has occurred). The function never +// reads more bytes from the stream than required. The function never returns +// an error if a message has been read and decoded correctly, even if the end +// of the stream has been reached in doing so. In that case, any subsequent +// calls return (0, io.EOF). +func ReadDelimited(r io.Reader, m proto.Message) (n int, err error) { + // Per AbstractParser#parsePartialDelimitedFrom with + // CodedInputStream#readRawVarint32. + var headerBuf [binary.MaxVarintLen32]byte + var bytesRead, varIntBytes int + var messageLength uint64 + for varIntBytes == 0 { // i.e. no varint has been decoded yet. + if bytesRead >= len(headerBuf) { + return bytesRead, errInvalidVarint + } + // We have to read byte by byte here to avoid reading more bytes + // than required. Each read byte is appended to what we have + // read before. + newBytesRead, err := r.Read(headerBuf[bytesRead : bytesRead+1]) + if newBytesRead == 0 { + if err != nil { + return bytesRead, err + } + // A Reader should not return (0, nil), but if it does, + // it should be treated as no-op (according to the + // Reader contract). So let's go on... + continue + } + bytesRead += newBytesRead + // Now present everything read so far to the varint decoder and + // see if a varint can be decoded already. + messageLength, varIntBytes = proto.DecodeVarint(headerBuf[:bytesRead]) + } + + messageBuf := make([]byte, messageLength) + newBytesRead, err := io.ReadFull(r, messageBuf) + bytesRead += newBytesRead + if err != nil { + return bytesRead, err + } + + return bytesRead, proto.Unmarshal(messageBuf, m) +} diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/doc.go b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/doc.go new file mode 100644 index 000000000..c318385cb --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/doc.go @@ -0,0 +1,16 @@ +// Copyright 2013 Matt T. Proud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package pbutil provides record length-delimited Protocol Buffer streaming. +package pbutil diff --git a/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go new file mode 100644 index 000000000..8fb59ad22 --- /dev/null +++ b/constraint/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go @@ -0,0 +1,46 @@ +// Copyright 2013 Matt T. Proud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package pbutil + +import ( + "encoding/binary" + "io" + + "github.com/golang/protobuf/proto" +) + +// WriteDelimited encodes and dumps a message to the provided writer prefixed +// with a 32-bit varint indicating the length of the encoded message, producing +// a length-delimited record stream, which can be used to chain together +// encoded messages of the same type together in a file. It returns the total +// number of bytes written and any applicable error. This is roughly +// equivalent to the companion Java API's MessageLite#writeDelimitedTo. +func WriteDelimited(w io.Writer, m proto.Message) (n int, err error) { + buffer, err := proto.Marshal(m) + if err != nil { + return 0, err + } + + var buf [binary.MaxVarintLen32]byte + encodedLength := binary.PutUvarint(buf[:], uint64(len(buffer))) + + sync, err := w.Write(buf[:encodedLength]) + if err != nil { + return sync, err + } + + n, err = w.Write(buffer) + return n + sync, err +} diff --git a/constraint/vendor/github.com/nxadm/tail/.gitignore b/constraint/vendor/github.com/nxadm/tail/.gitignore new file mode 100644 index 000000000..fa81aa93a --- /dev/null +++ b/constraint/vendor/github.com/nxadm/tail/.gitignore @@ -0,0 +1,2 @@ +.idea/ +.test/ \ No newline at end of file diff --git a/constraint/vendor/github.com/hpcloud/tail/.travis.yml b/constraint/vendor/github.com/nxadm/tail/.travis.yml similarity index 52% rename from constraint/vendor/github.com/hpcloud/tail/.travis.yml rename to constraint/vendor/github.com/nxadm/tail/.travis.yml index 9cf8bb7fc..95dd3bd78 100644 --- a/constraint/vendor/github.com/hpcloud/tail/.travis.yml +++ b/constraint/vendor/github.com/nxadm/tail/.travis.yml @@ -4,15 +4,13 @@ script: - go test -race -v ./... go: - - 1.4 - - 1.5 - - 1.6 + - "1.9" + - "1.10" + - "1.11" + - "1.12" + - "1.13" - tip matrix: allow_failures: - go: tip - -install: - - go get gopkg.in/fsnotify.v1 - - go get gopkg.in/tomb.v1 diff --git a/constraint/vendor/github.com/nxadm/tail/CHANGES.md b/constraint/vendor/github.com/nxadm/tail/CHANGES.md new file mode 100644 index 000000000..ef1b5fbed --- /dev/null +++ b/constraint/vendor/github.com/nxadm/tail/CHANGES.md @@ -0,0 +1,46 @@ +# Version v1.4.4 + +* Fix of checksum problem because of forced tag. No changes to the code. + +# Version v1.4.1 + +* Incorporated PR 162 by by Mohammed902: "Simplify non-Windows build tag". + +# Version v1.4.0 + +* Incorporated PR 9 by mschneider82: "Added seekinfo to Tail". + +# Version v1.3.1 + +* Incorporated PR 7: "Fix deadlock when stopping on non-empty file/buffer", +fixes upstream issue 93. + + +# Version v1.3.0 + +* Incorporated changes of unmerged upstream PR 149 by mezzi: "added line num +to Line struct". + +# Version v1.2.1 + +* Incorporated changes of unmerged upstream PR 128 by jadekler: "Compile-able +code in readme". +* Incorporated changes of unmerged upstream PR 130 by fgeller: "small change +to comment wording". +* Incorporated changes of unmerged upstream PR 133 by sm3142: "removed +spurious newlines from log messages". + +# Version v1.2.0 + +* Incorporated changes of unmerged upstream PR 126 by Code-Hex: "Solved the + problem for never return the last line if it's not followed by a newline". +* Incorporated changes of unmerged upstream PR 131 by StoicPerlman: "Remove +deprecated os.SEEK consts". The changes bumped the minimal supported Go +release to 1.9. + +# Version v1.1.0 + +* migration to go modules. +* release of master branch of the dormant upstream, because it contains +fixes and improvement no present in the tagged release. + diff --git a/constraint/vendor/github.com/nxadm/tail/Dockerfile b/constraint/vendor/github.com/nxadm/tail/Dockerfile new file mode 100644 index 000000000..d9633891c --- /dev/null +++ b/constraint/vendor/github.com/nxadm/tail/Dockerfile @@ -0,0 +1,19 @@ +FROM golang + +RUN mkdir -p $GOPATH/src/github.com/nxadm/tail/ +ADD . $GOPATH/src/github.com/nxadm/tail/ + +# expecting to fetch dependencies successfully. +RUN go get -v github.com/nxadm/tail + +# expecting to run the test successfully. +RUN go test -v github.com/nxadm/tail + +# expecting to install successfully +RUN go install -v github.com/nxadm/tail +RUN go install -v github.com/nxadm/tail/cmd/gotail + +RUN $GOPATH/bin/gotail -h || true + +ENV PATH $GOPATH/bin:$PATH +CMD ["gotail"] diff --git a/constraint/vendor/github.com/hpcloud/tail/LICENSE.txt b/constraint/vendor/github.com/nxadm/tail/LICENSE similarity index 100% rename from constraint/vendor/github.com/hpcloud/tail/LICENSE.txt rename to constraint/vendor/github.com/nxadm/tail/LICENSE diff --git a/constraint/vendor/github.com/nxadm/tail/README.md b/constraint/vendor/github.com/nxadm/tail/README.md new file mode 100644 index 000000000..dbb6c1727 --- /dev/null +++ b/constraint/vendor/github.com/nxadm/tail/README.md @@ -0,0 +1,36 @@ +[![Build Status](https://travis-ci.org/nxadm/tail.svg?branch=master)](https://travis-ci.org/nxadm/tail) + +This is repo is forked from the dormant upstream repo at +[hpcloud](https://github.com/hpcloud/tail). This fork adds support for go +modules, updates the dependencies, adds features and fixes bugs. Go 1.9 is +the oldest compiler release supported. + +# Go package for tail-ing files + +A Go package striving to emulate the features of the BSD `tail` program. + +```Go +t, err := tail.TailFile("/var/log/nginx.log", tail.Config{Follow: true}) +if err != nil { + panic(err) +} + +for line := range t.Lines { + fmt.Println(line.Text) +} +``` + +See [API documentation](http://godoc.org/github.com/nxadm/tail). + +## Log rotation + +Tail comes with full support for truncation/move detection as it is +designed to work with log rotation tools. + +## Installing + + go get github.com/nxadm/tail/... + +## Windows support + +This package [needs assistance](https://github.com/nxadm/tail/labels/Windows) for full Windows support. diff --git a/constraint/vendor/github.com/hpcloud/tail/appveyor.yml b/constraint/vendor/github.com/nxadm/tail/appveyor.yml similarity index 77% rename from constraint/vendor/github.com/hpcloud/tail/appveyor.yml rename to constraint/vendor/github.com/nxadm/tail/appveyor.yml index d370055b6..e149bc62d 100644 --- a/constraint/vendor/github.com/hpcloud/tail/appveyor.yml +++ b/constraint/vendor/github.com/nxadm/tail/appveyor.yml @@ -5,7 +5,7 @@ build_script: - SET GOPATH=c:\workspace - go test -v -race ./... test: off -clone_folder: c:\workspace\src\github.com\hpcloud\tail +clone_folder: c:\workspace\src\github.com\nxadm\tail branches: only: - master diff --git a/constraint/vendor/github.com/nxadm/tail/go.mod b/constraint/vendor/github.com/nxadm/tail/go.mod new file mode 100644 index 000000000..fb10d42af --- /dev/null +++ b/constraint/vendor/github.com/nxadm/tail/go.mod @@ -0,0 +1,9 @@ +module github.com/nxadm/tail + +go 1.13 + +require ( + github.com/fsnotify/fsnotify v1.4.7 + golang.org/x/sys v0.0.0-20190904154756-749cb33beabd // indirect + gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 +) diff --git a/constraint/vendor/github.com/nxadm/tail/go.sum b/constraint/vendor/github.com/nxadm/tail/go.sum new file mode 100644 index 000000000..b391f1904 --- /dev/null +++ b/constraint/vendor/github.com/nxadm/tail/go.sum @@ -0,0 +1,6 @@ +github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= +github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +golang.org/x/sys v0.0.0-20190904154756-749cb33beabd h1:DBH9mDw0zluJT/R+nGuV3jWFWLFaHyYZWD4tOT+cjn0= +golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= diff --git a/constraint/vendor/github.com/hpcloud/tail/ratelimiter/Licence b/constraint/vendor/github.com/nxadm/tail/ratelimiter/Licence similarity index 100% rename from constraint/vendor/github.com/hpcloud/tail/ratelimiter/Licence rename to constraint/vendor/github.com/nxadm/tail/ratelimiter/Licence diff --git a/constraint/vendor/github.com/hpcloud/tail/ratelimiter/leakybucket.go b/constraint/vendor/github.com/nxadm/tail/ratelimiter/leakybucket.go similarity index 100% rename from constraint/vendor/github.com/hpcloud/tail/ratelimiter/leakybucket.go rename to constraint/vendor/github.com/nxadm/tail/ratelimiter/leakybucket.go diff --git a/constraint/vendor/github.com/hpcloud/tail/ratelimiter/memory.go b/constraint/vendor/github.com/nxadm/tail/ratelimiter/memory.go similarity index 81% rename from constraint/vendor/github.com/hpcloud/tail/ratelimiter/memory.go rename to constraint/vendor/github.com/nxadm/tail/ratelimiter/memory.go index 8f6a5784a..bf3c2131b 100644 --- a/constraint/vendor/github.com/hpcloud/tail/ratelimiter/memory.go +++ b/constraint/vendor/github.com/nxadm/tail/ratelimiter/memory.go @@ -5,7 +5,10 @@ import ( "time" ) -const GC_SIZE int = 100 +const ( + GC_SIZE int = 100 + GC_PERIOD time.Duration = 60 * time.Second +) type Memory struct { store map[string]LeakyBucket @@ -44,11 +47,10 @@ func (m *Memory) GarbageCollect() { now := time.Now() // rate limit GC to once per minute - if now.Add(60*time.Second).Unix() > m.lastGCCollected.Unix() { - + if now.Unix() >= m.lastGCCollected.Add(GC_PERIOD).Unix() { for key, bucket := range m.store { // if the bucket is drained, then GC - if bucket.DrainedAt().Unix() > now.Unix() { + if bucket.DrainedAt().Unix() < now.Unix() { delete(m.store, key) } } diff --git a/constraint/vendor/github.com/hpcloud/tail/ratelimiter/storage.go b/constraint/vendor/github.com/nxadm/tail/ratelimiter/storage.go similarity index 100% rename from constraint/vendor/github.com/hpcloud/tail/ratelimiter/storage.go rename to constraint/vendor/github.com/nxadm/tail/ratelimiter/storage.go diff --git a/constraint/vendor/github.com/hpcloud/tail/tail.go b/constraint/vendor/github.com/nxadm/tail/tail.go similarity index 85% rename from constraint/vendor/github.com/hpcloud/tail/tail.go rename to constraint/vendor/github.com/nxadm/tail/tail.go index 2d252d605..58d3c4b95 100644 --- a/constraint/vendor/github.com/hpcloud/tail/tail.go +++ b/constraint/vendor/github.com/nxadm/tail/tail.go @@ -15,31 +15,33 @@ import ( "sync" "time" - "github.com/hpcloud/tail/ratelimiter" - "github.com/hpcloud/tail/util" - "github.com/hpcloud/tail/watch" + "github.com/nxadm/tail/ratelimiter" + "github.com/nxadm/tail/util" + "github.com/nxadm/tail/watch" "gopkg.in/tomb.v1" ) var ( - ErrStop = fmt.Errorf("tail should now stop") + ErrStop = errors.New("tail should now stop") ) type Line struct { - Text string - Time time.Time - Err error // Error from tail + Text string + Num int + SeekInfo SeekInfo + Time time.Time + Err error // Error from tail } // NewLine returns a Line with present time. -func NewLine(text string) *Line { - return &Line{text, time.Now(), nil} +func NewLine(text string, lineNum int) *Line { + return &Line{text, lineNum, SeekInfo{}, time.Now(), nil} } -// SeekInfo represents arguments to `os.Seek` +// SeekInfo represents arguments to `io.Seek` type SeekInfo struct { Offset int64 - Whence int // os.SEEK_* + Whence int // io.Seek* } type logger interface { @@ -78,8 +80,9 @@ type Tail struct { Lines chan *Line Config - file *os.File - reader *bufio.Reader + file *os.File + reader *bufio.Reader + lineNum int watcher watch.FileWatcher changes *watch.FileChanges @@ -113,7 +116,7 @@ func TailFile(filename string, config Config) (*Tail, error) { // when Logger was not specified in config, use default logger if t.Logger == nil { - t.Logger = log.New(os.Stderr, "", log.LstdFlags) + t.Logger = DefaultLogger } if t.Poll { @@ -135,15 +138,15 @@ func TailFile(filename string, config Config) (*Tail, error) { return t, nil } -// Return the file's current position, like stdio's ftell(). +// Tell returns the file's current position, like stdio's ftell(). // But this value is not very accurate. -// it may readed one line in the chan(tail.Lines), -// so it may lost one line. +// One line from the chan(tail.Lines) may have been read, +// so it may have lost one line. func (tail *Tail) Tell() (offset int64, err error) { if tail.file == nil { return } - offset, err = tail.file.Seek(0, os.SEEK_CUR) + offset, err = tail.file.Seek(0, io.SeekCurrent) if err != nil { return } @@ -186,6 +189,7 @@ func (tail *Tail) closeFile() { func (tail *Tail) reopen() error { tail.closeFile() + tail.lineNum = 0 for { var err error tail.file, err = OpenFile(tail.Filename) @@ -241,7 +245,6 @@ func (tail *Tail) tailFileSync() { // Seek to requested location on first open of the file. if tail.Location != nil { _, err := tail.file.Seek(tail.Location.Offset, tail.Location.Whence) - tail.Logger.Printf("Seeked %s - %+v\n", tail.Filename, tail.Location) if err != nil { tail.Killf("Seek error on %s: %s", tail.Filename, err) return @@ -250,16 +253,12 @@ func (tail *Tail) tailFileSync() { tail.openReader() - var offset int64 = 0 - var err error - // Read line by line. for { // do not seek in named pipes if !tail.Pipe { // grab the position in case we need to back up in the event of a half-line - offset, err = tail.Tell() - if err != nil { + if _, err := tail.Tell(); err != nil { tail.Kill(err) return } @@ -273,10 +272,9 @@ func (tail *Tail) tailFileSync() { if cooloff { // Wait a second before seeking till the end of // file when rate limit is reached. - msg := fmt.Sprintf( - "Too much log activity; waiting a second " + - "before resuming tailing") - tail.Lines <- &Line{msg, time.Now(), fmt.Errorf(msg)} + msg := ("Too much log activity; waiting a second before resuming tailing") + offset, _ := tail.Tell() + tail.Lines <- &Line{msg, tail.lineNum, SeekInfo{Offset: offset}, time.Now(), errors.New(msg)} select { case <-time.After(time.Second): case <-tail.Dying(): @@ -296,10 +294,8 @@ func (tail *Tail) tailFileSync() { } if tail.Follow && line != "" { - // this has the potential to never return the last line if - // it's not followed by a newline; seems a fair trade here - err := tail.seekTo(SeekInfo{Offset: offset, Whence: 0}) - if err != nil { + tail.sendLine(line) + if err := tail.seekEnd(); err != nil { tail.Kill(err) return } @@ -337,7 +333,7 @@ func (tail *Tail) tailFileSync() { // reopened if ReOpen is true. Truncated files are always reopened. func (tail *Tail) waitForChanges() error { if tail.changes == nil { - pos, err := tail.file.Seek(0, os.SEEK_CUR) + pos, err := tail.file.Seek(0, io.SeekCurrent) if err != nil { return err } @@ -361,10 +357,9 @@ func (tail *Tail) waitForChanges() error { tail.Logger.Printf("Successfully reopened %s", tail.Filename) tail.openReader() return nil - } else { - tail.Logger.Printf("Stopping tail as file no longer exists: %s", tail.Filename) - return ErrStop } + tail.Logger.Printf("Stopping tail as file no longer exists: %s", tail.Filename) + return ErrStop case <-tail.changes.Truncated: // Always reopen truncated files (Follow is true) tail.Logger.Printf("Re-opening truncated file %s ...", tail.Filename) @@ -377,20 +372,21 @@ func (tail *Tail) waitForChanges() error { case <-tail.Dying(): return ErrStop } - panic("unreachable") } func (tail *Tail) openReader() { + tail.lk.Lock() if tail.MaxLineSize > 0 { // add 2 to account for newline characters tail.reader = bufio.NewReaderSize(tail.file, tail.MaxLineSize+2) } else { tail.reader = bufio.NewReader(tail.file) } + tail.lk.Unlock() } func (tail *Tail) seekEnd() error { - return tail.seekTo(SeekInfo{Offset: 0, Whence: os.SEEK_END}) + return tail.seekTo(SeekInfo{Offset: 0, Whence: io.SeekEnd}) } func (tail *Tail) seekTo(pos SeekInfo) error { @@ -415,13 +411,19 @@ func (tail *Tail) sendLine(line string) bool { } for _, line := range lines { - tail.Lines <- &Line{line, now, nil} + tail.lineNum++ + offset, _ := tail.Tell() + select { + case tail.Lines <- &Line{line, tail.lineNum, SeekInfo{Offset: offset}, now, nil}: + case <-tail.Dying(): + return true + } } if tail.Config.RateLimiter != nil { ok := tail.Config.RateLimiter.Pour(uint16(len(lines))) if !ok { - tail.Logger.Printf("Leaky bucket full (%v); entering 1s cooloff period.\n", + tail.Logger.Printf("Leaky bucket full (%v); entering 1s cooloff period.", tail.Filename) return false } diff --git a/constraint/vendor/github.com/hpcloud/tail/tail_posix.go b/constraint/vendor/github.com/nxadm/tail/tail_posix.go similarity index 71% rename from constraint/vendor/github.com/hpcloud/tail/tail_posix.go rename to constraint/vendor/github.com/nxadm/tail/tail_posix.go index bc4dc3357..1b94520ec 100644 --- a/constraint/vendor/github.com/hpcloud/tail/tail_posix.go +++ b/constraint/vendor/github.com/nxadm/tail/tail_posix.go @@ -1,4 +1,4 @@ -// +build linux darwin freebsd netbsd openbsd +// +build !windows package tail diff --git a/constraint/vendor/github.com/hpcloud/tail/tail_windows.go b/constraint/vendor/github.com/nxadm/tail/tail_windows.go similarity index 81% rename from constraint/vendor/github.com/hpcloud/tail/tail_windows.go rename to constraint/vendor/github.com/nxadm/tail/tail_windows.go index ef2cfca1b..4aaceea28 100644 --- a/constraint/vendor/github.com/hpcloud/tail/tail_windows.go +++ b/constraint/vendor/github.com/nxadm/tail/tail_windows.go @@ -3,7 +3,7 @@ package tail import ( - "github.com/hpcloud/tail/winfile" + "github.com/nxadm/tail/winfile" "os" ) diff --git a/constraint/vendor/github.com/hpcloud/tail/util/util.go b/constraint/vendor/github.com/nxadm/tail/util/util.go similarity index 94% rename from constraint/vendor/github.com/hpcloud/tail/util/util.go rename to constraint/vendor/github.com/nxadm/tail/util/util.go index 54151fe39..2ba0ed71c 100644 --- a/constraint/vendor/github.com/hpcloud/tail/util/util.go +++ b/constraint/vendor/github.com/nxadm/tail/util/util.go @@ -18,7 +18,7 @@ var LOGGER = &Logger{log.New(os.Stderr, "", log.LstdFlags)} // fatal is like panic except it displays only the current goroutine's stack. func Fatal(format string, v ...interface{}) { - // https://github.com/hpcloud/log/blob/master/log.go#L45 + // https://github.com/nxadm/log/blob/master/log.go#L45 LOGGER.Output(2, fmt.Sprintf("FATAL -- "+format, v...)+"\n"+string(debug.Stack())) os.Exit(1) } diff --git a/constraint/vendor/github.com/hpcloud/tail/watch/filechanges.go b/constraint/vendor/github.com/nxadm/tail/watch/filechanges.go similarity index 93% rename from constraint/vendor/github.com/hpcloud/tail/watch/filechanges.go rename to constraint/vendor/github.com/nxadm/tail/watch/filechanges.go index 3ce5dcecb..f80aead9a 100644 --- a/constraint/vendor/github.com/hpcloud/tail/watch/filechanges.go +++ b/constraint/vendor/github.com/nxadm/tail/watch/filechanges.go @@ -8,7 +8,7 @@ type FileChanges struct { func NewFileChanges() *FileChanges { return &FileChanges{ - make(chan bool), make(chan bool), make(chan bool)} + make(chan bool, 1), make(chan bool, 1), make(chan bool, 1)} } func (fc *FileChanges) NotifyModified() { diff --git a/constraint/vendor/github.com/hpcloud/tail/watch/inotify.go b/constraint/vendor/github.com/nxadm/tail/watch/inotify.go similarity index 88% rename from constraint/vendor/github.com/hpcloud/tail/watch/inotify.go rename to constraint/vendor/github.com/nxadm/tail/watch/inotify.go index 4478f1e1a..439921810 100644 --- a/constraint/vendor/github.com/hpcloud/tail/watch/inotify.go +++ b/constraint/vendor/github.com/nxadm/tail/watch/inotify.go @@ -8,9 +8,9 @@ import ( "os" "path/filepath" - "github.com/hpcloud/tail/util" + "github.com/nxadm/tail/util" - "gopkg.in/fsnotify.v1" + "github.com/fsnotify/fsnotify" "gopkg.in/tomb.v1" ) @@ -75,7 +75,6 @@ func (fw *InotifyFileWatcher) ChangeEvents(t *tomb.Tomb, pos int64) (*FileChange fw.Size = pos go func() { - defer RemoveWatch(fw.Filename) events := Events(fw.Filename) @@ -88,9 +87,11 @@ func (fw *InotifyFileWatcher) ChangeEvents(t *tomb.Tomb, pos int64) (*FileChange select { case evt, ok = <-events: if !ok { + RemoveWatch(fw.Filename) return } case <-t.Dying(): + RemoveWatch(fw.Filename) return } @@ -99,13 +100,19 @@ func (fw *InotifyFileWatcher) ChangeEvents(t *tomb.Tomb, pos int64) (*FileChange fallthrough case evt.Op&fsnotify.Rename == fsnotify.Rename: + RemoveWatch(fw.Filename) changes.NotifyDeleted() return + //With an open fd, unlink(fd) - inotify returns IN_ATTRIB (==fsnotify.Chmod) + case evt.Op&fsnotify.Chmod == fsnotify.Chmod: + fallthrough + case evt.Op&fsnotify.Write == fsnotify.Write: fi, err := os.Stat(fw.Filename) if err != nil { if os.IsNotExist(err) { + RemoveWatch(fw.Filename) changes.NotifyDeleted() return } diff --git a/constraint/vendor/github.com/hpcloud/tail/watch/inotify_tracker.go b/constraint/vendor/github.com/nxadm/tail/watch/inotify_tracker.go similarity index 86% rename from constraint/vendor/github.com/hpcloud/tail/watch/inotify_tracker.go rename to constraint/vendor/github.com/nxadm/tail/watch/inotify_tracker.go index 03be4275c..a94bcd4cb 100644 --- a/constraint/vendor/github.com/hpcloud/tail/watch/inotify_tracker.go +++ b/constraint/vendor/github.com/nxadm/tail/watch/inotify_tracker.go @@ -10,9 +10,9 @@ import ( "sync" "syscall" - "github.com/hpcloud/tail/util" + "github.com/nxadm/tail/util" - "gopkg.in/fsnotify.v1" + "github.com/fsnotify/fsnotify" ) type InotifyTracker struct { @@ -83,21 +83,21 @@ func watch(winfo *watchInfo) error { } // RemoveWatch signals the run goroutine to remove the watch for the input filename -func RemoveWatch(fname string) { - remove(&watchInfo{ +func RemoveWatch(fname string) error { + return remove(&watchInfo{ fname: fname, }) } // RemoveWatch create signals the run goroutine to remove the watch for the input filename -func RemoveWatchCreate(fname string) { - remove(&watchInfo{ +func RemoveWatchCreate(fname string) error { + return remove(&watchInfo{ op: fsnotify.Create, fname: fname, }) } -func remove(winfo *watchInfo) { +func remove(winfo *watchInfo) error { // start running the shared InotifyTracker if not already running once.Do(goRun) @@ -108,27 +108,10 @@ func remove(winfo *watchInfo) { delete(shared.done, winfo.fname) close(done) } - - fname := winfo.fname - if winfo.isCreate() { - // Watch for new files to be created in the parent directory. - fname = filepath.Dir(fname) - } - shared.watchNums[fname]-- - watchNum := shared.watchNums[fname] - if watchNum == 0 { - delete(shared.watchNums, fname) - } shared.mux.Unlock() - // If we were the last ones to watch this file, unsubscribe from inotify. - // This needs to happen after releasing the lock because fsnotify waits - // synchronously for the kernel to acknowledge the removal of the watch - // for this file, which causes us to deadlock if we still held the lock. - if watchNum == 0 { - shared.watcher.Remove(fname) - } shared.remove <- winfo + return <-shared.error } // Events returns a channel to which FileEvents corresponding to the input filename @@ -142,8 +125,8 @@ func Events(fname string) <-chan fsnotify.Event { } // Cleanup removes the watch for the input filename if necessary. -func Cleanup(fname string) { - RemoveWatch(fname) +func Cleanup(fname string) error { + return RemoveWatch(fname) } // watchFlags calls fsnotify.WatchFlags for the input filename and flags, creating @@ -154,6 +137,8 @@ func (shared *InotifyTracker) addWatch(winfo *watchInfo) error { if shared.chans[winfo.fname] == nil { shared.chans[winfo.fname] = make(chan fsnotify.Event) + } + if shared.done[winfo.fname] == nil { shared.done[winfo.fname] = make(chan bool) } @@ -163,47 +148,50 @@ func (shared *InotifyTracker) addWatch(winfo *watchInfo) error { fname = filepath.Dir(fname) } + var err error // already in inotify watch - if shared.watchNums[fname] > 0 { - shared.watchNums[fname]++ - if winfo.isCreate() { - shared.watchNums[winfo.fname]++ - } - return nil + if shared.watchNums[fname] == 0 { + err = shared.watcher.Add(fname) } - - err := shared.watcher.Add(fname) if err == nil { shared.watchNums[fname]++ - if winfo.isCreate() { - shared.watchNums[winfo.fname]++ - } } return err } // removeWatch calls fsnotify.RemoveWatch for the input filename and closes the // corresponding events channel. -func (shared *InotifyTracker) removeWatch(winfo *watchInfo) { +func (shared *InotifyTracker) removeWatch(winfo *watchInfo) error { shared.mux.Lock() - defer shared.mux.Unlock() ch := shared.chans[winfo.fname] - if ch == nil { - return + if ch != nil { + delete(shared.chans, winfo.fname) + close(ch) } - delete(shared.chans, winfo.fname) - close(ch) - - if !winfo.isCreate() { - return + fname := winfo.fname + if winfo.isCreate() { + // Watch for new files to be created in the parent directory. + fname = filepath.Dir(fname) } + shared.watchNums[fname]-- + watchNum := shared.watchNums[fname] + if watchNum == 0 { + delete(shared.watchNums, fname) + } + shared.mux.Unlock() - shared.watchNums[winfo.fname]-- - if shared.watchNums[winfo.fname] == 0 { - delete(shared.watchNums, winfo.fname) + var err error + // If we were the last ones to watch this file, unsubscribe from inotify. + // This needs to happen after releasing the lock because fsnotify waits + // synchronously for the kernel to acknowledge the removal of the watch + // for this file, which causes us to deadlock if we still held the lock. + if watchNum == 0 { + err = shared.watcher.Remove(fname) } + + return err } // sendEvent sends the input event to the appropriate Tail. @@ -238,7 +226,7 @@ func (shared *InotifyTracker) run() { shared.error <- shared.addWatch(winfo) case winfo := <-shared.remove: - shared.removeWatch(winfo) + shared.error <- shared.removeWatch(winfo) case event, open := <-shared.watcher.Events: if !open { diff --git a/constraint/vendor/github.com/hpcloud/tail/watch/polling.go b/constraint/vendor/github.com/nxadm/tail/watch/polling.go similarity index 98% rename from constraint/vendor/github.com/hpcloud/tail/watch/polling.go rename to constraint/vendor/github.com/nxadm/tail/watch/polling.go index 49491f21d..fb1706908 100644 --- a/constraint/vendor/github.com/hpcloud/tail/watch/polling.go +++ b/constraint/vendor/github.com/nxadm/tail/watch/polling.go @@ -8,7 +8,7 @@ import ( "runtime" "time" - "github.com/hpcloud/tail/util" + "github.com/nxadm/tail/util" "gopkg.in/tomb.v1" ) diff --git a/constraint/vendor/github.com/hpcloud/tail/watch/watch.go b/constraint/vendor/github.com/nxadm/tail/watch/watch.go similarity index 100% rename from constraint/vendor/github.com/hpcloud/tail/watch/watch.go rename to constraint/vendor/github.com/nxadm/tail/watch/watch.go diff --git a/constraint/vendor/github.com/hpcloud/tail/winfile/winfile.go b/constraint/vendor/github.com/nxadm/tail/winfile/winfile.go similarity index 100% rename from constraint/vendor/github.com/hpcloud/tail/winfile/winfile.go rename to constraint/vendor/github.com/nxadm/tail/winfile/winfile.go diff --git a/constraint/vendor/github.com/onsi/ginkgo/.travis.yml b/constraint/vendor/github.com/onsi/ginkgo/.travis.yml index 72e8ccf0b..079af2431 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/.travis.yml +++ b/constraint/vendor/github.com/onsi/ginkgo/.travis.yml @@ -1,15 +1,25 @@ language: go go: - - 1.10.x - - 1.11.x - - 1.12.x + - 1.13.x + - 1.14.x - tip +cache: + directories: + - $GOPATH/pkg/mod + +# allow internal package imports, necessary for forked repositories +go_import_path: github.com/onsi/ginkgo + install: - - go get -v -t ./... - - go get golang.org/x/tools/cmd/cover - - go get github.com/onsi/gomega - - go install github.com/onsi/ginkgo/ginkgo + - GO111MODULE="off" go get -v -t ./... + - GO111MODULE="off" go get golang.org/x/tools/cmd/cover + - GO111MODULE="off" go get github.com/onsi/gomega + - GO111MODULE="off" go install github.com/onsi/ginkgo/ginkgo - export PATH=$PATH:$HOME/gopath/bin -script: $HOME/gopath/bin/ginkgo -r --randomizeAllSpecs --randomizeSuites --race --trace && go vet +script: + - GO111MODULE="on" go mod tidy + - diff -u <(echo -n) <(git diff go.mod) + - diff -u <(echo -n) <(git diff go.sum) + - $HOME/gopath/bin/ginkgo -r --randomizeAllSpecs --randomizeSuites --race --trace && go vet diff --git a/constraint/vendor/github.com/onsi/ginkgo/CHANGELOG.md b/constraint/vendor/github.com/onsi/ginkgo/CHANGELOG.md index aeadb66e0..6092fcb63 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/CHANGELOG.md +++ b/constraint/vendor/github.com/onsi/ginkgo/CHANGELOG.md @@ -1,20 +1,102 @@ +## 1.14.1 + +### Fixes +- Discard exported method declaration when running ginkgo bootstrap (#558) [f4b0240] + +## 1.14.0 + +### Features +- Defer running top-level container nodes until RunSpecs is called [d44dedf] +- [Document Ginkgo lifecycle](http://onsi.github.io/ginkgo/#understanding-ginkgos-lifecycle) +- Add `extensions/globals` package (#692) [3295c8f] - this can be helpful in contexts where you are test-driving your test-generation code (see [#692](https://github.com/onsi/ginkgo/pull/692)) +- Print Skip reason in JUnit reporter if one was provided [820dfab] + +## 1.13.0 + +### Features +- Add a version of table.Entry that allows dumping the entry parameters. (#689) [21eaef2] + +### Fixes +- Ensure integration tests pass in an environment sans GOPATH [606fba2] +- Add books package (#568) [fc0e44e] +- doc(readme): installation via "tools package" (#677) [83bb20e] +- Solve the undefined: unix.Dup2 compile error on mips64le (#680) [0624f75] +- Import package without dot (#687) [6321024] +- Fix integration tests to stop require GOPATH (#686) [a912ec5] + +## 1.12.3 + +### Fixes +- Print correct code location of failing table test (#666) [c6d7afb] + +## 1.12.2 + +### Fixes +- Update dependencies [ea4a036] + +## 1.12.1 + +### Fixes +- Make unfocus ("blur") much faster (#674) [8b18061] +- Fix typo (#673) [7fdcbe8] +- Test against 1.14 and remove 1.12 [d5c2ad6] +- Test if a coverprofile content is empty before checking its latest character (#670) [14d9fa2] +- replace tail package with maintained one. this fixes go get errors (#667) [4ba33d4] +- improve ginkgo performance - makes progress on #644 [a14f98e] +- fix convert integration tests [1f8ba69] +- fix typo succesful -> successful (#663) [1ea49cf] +- Fix invalid link (#658) [b886136] +- convert utility : Include comments from source (#657) [1077c6d] +- Explain what BDD means [d79e7fb] +- skip race detector test on unsupported platform (#642) [f8ab89d] +- Use Dup2 from golang.org/x/sys/unix instead of syscallDup (#638) [5d53c55] +- Fix missing newline in combined coverage file (#641) [6a07ea2] +- check if a spec is run before returning SpecSummary (#645) [8850000] + +## 1.12.0 + +### Features +- Add module definition (#630) [78916ab] + +## 1.11.0 + +### Features +- Add syscall for riscv64 architecture [f66e896] +- teamcity reporter: output location of test failure as well as test definition (#626) [9869142] +- teamcity reporter: output newline after every service message (#625) [3cfa02d] +- Add support for go module when running `generate` command (#578) [9c89e3f] + +## 1.10.3 + +### Fixes +- Set go_import_path in travis.yml to allow internal packages in forks (#607) [3b721db] +- Add integration test [d90e0dc] +- Fix coverage files combining [e5dde8c] +- A new CLI option: -ginkgo.reportFile (#601) [034fd25] + +## 1.10.2 + +### Fixes +- speed up table entry generateIt() (#609) [5049dc5] +- Fix. Write errors to stderr instead of stdout (#610) [7bb3091] + ## 1.10.1 -## Fixes +### Fixes - stack backtrace: fix skipping (#600) [2a4c0bd] ## 1.10.0 -## Fixes +### Fixes - stack backtrace: fix alignment and skipping [66915d6] - fix typo in documentation [8f97b93] ## 1.9.0 -## Features +### Features - Option to print output into report, when tests have passed [0545415] -## Fixes +### Fixes - Fixed typos in comments [0ecbc58] - gofmt code [a7f8bfb] - Simplify code [7454d00] @@ -181,7 +263,7 @@ New Features: - `ginkgo -tags=TAG_LIST` passes a list of tags down to the `go build` command. - `ginkgo --failFast` aborts the test suite after the first failure. - `ginkgo generate file_1 file_2` can take multiple file arguments. -- Ginkgo now summarizes any spec failures that occured at the end of the test run. +- Ginkgo now summarizes any spec failures that occurred at the end of the test run. - `ginkgo --randomizeSuites` will run tests *suites* in random order using the generated/passed-in seed. Improvements: diff --git a/constraint/vendor/github.com/onsi/ginkgo/README.md b/constraint/vendor/github.com/onsi/ginkgo/README.md index cdf8d054a..475e04994 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/README.md +++ b/constraint/vendor/github.com/onsi/ginkgo/README.md @@ -1,29 +1,45 @@ -![Ginkgo: A Go BDD Testing Framework](http://onsi.github.io/ginkgo/images/ginkgo.png) +![Ginkgo: A Go BDD Testing Framework](https://onsi.github.io/ginkgo/images/ginkgo.png) [![Build Status](https://travis-ci.org/onsi/ginkgo.svg?branch=master)](https://travis-ci.org/onsi/ginkgo) -Jump to the [docs](http://onsi.github.io/ginkgo/) to learn more. To start rolling your Ginkgo tests *now* [keep reading](#set-me-up)! +Jump to the [docs](https://onsi.github.io/ginkgo/) to learn more. To start rolling your Ginkgo tests *now* [keep reading](#set-me-up)! -If you have a question, comment, bug report, feature request, etc. please open a GitHub issue. +If you have a question, comment, bug report, feature request, etc. please open a GitHub issue, or visit the [Ginkgo Slack channel](https://app.slack.com/client/T029RQSE6/CQQ50BBNW). + +## TLDR +Ginkgo builds on Go's `testing` package, allowing expressive [Behavior-Driven Development](https://en.wikipedia.org/wiki/Behavior-driven_development) ("BDD") style tests. +It is typically (and optionally) paired with the [Gomega](https://github.com/onsi/gomega) matcher library. + +```go +Describe("the strings package", func() { + Context("strings.Contains()", func() { + When("the string contains the substring in the middle", func() { + It("returns `true`", func() { + Expect(strings.Contains("Ginkgo is awesome", "is")).To(BeTrue()) + }) + }) + }) +}) +``` ## Feature List -- Ginkgo uses Go's `testing` package and can live alongside your existing `testing` tests. It's easy to [bootstrap](http://onsi.github.io/ginkgo/#bootstrapping-a-suite) and start writing your [first tests](http://onsi.github.io/ginkgo/#adding-specs-to-a-suite) +- Ginkgo uses Go's `testing` package and can live alongside your existing `testing` tests. It's easy to [bootstrap](https://onsi.github.io/ginkgo/#bootstrapping-a-suite) and start writing your [first tests](https://onsi.github.io/ginkgo/#adding-specs-to-a-suite) -- Structure your BDD-style tests expressively: - - Nestable [`Describe`, `Context` and `When` container blocks](http://onsi.github.io/ginkgo/#organizing-specs-with-containers-describe-and-context) - - [`BeforeEach` and `AfterEach` blocks](http://onsi.github.io/ginkgo/#extracting-common-setup-beforeeach) for setup and teardown - - [`It` and `Specify` blocks](http://onsi.github.io/ginkgo/#individual-specs-) that hold your assertions - - [`JustBeforeEach` blocks](http://onsi.github.io/ginkgo/#separating-creation-and-configuration-justbeforeeach) that separate creation from configuration (also known as the subject action pattern). - - [`BeforeSuite` and `AfterSuite` blocks](http://onsi.github.io/ginkgo/#global-setup-and-teardown-beforesuite-and-aftersuite) to prep for and cleanup after a suite. +- Ginkgo allows you to write tests in Go using expressive [Behavior-Driven Development](https://en.wikipedia.org/wiki/Behavior-driven_development) ("BDD") style: + - Nestable [`Describe`, `Context` and `When` container blocks](https://onsi.github.io/ginkgo/#organizing-specs-with-containers-describe-and-context) + - [`BeforeEach` and `AfterEach` blocks](https://onsi.github.io/ginkgo/#extracting-common-setup-beforeeach) for setup and teardown + - [`It` and `Specify` blocks](https://onsi.github.io/ginkgo/#individual-specs-it) that hold your assertions + - [`JustBeforeEach` blocks](https://onsi.github.io/ginkgo/#separating-creation-and-configuration-justbeforeeach) that separate creation from configuration (also known as the subject action pattern). + - [`BeforeSuite` and `AfterSuite` blocks](https://onsi.github.io/ginkgo/#global-setup-and-teardown-beforesuite-and-aftersuite) to prep for and cleanup after a suite. - A comprehensive test runner that lets you: - - Mark specs as [pending](http://onsi.github.io/ginkgo/#pending-specs) - - [Focus](http://onsi.github.io/ginkgo/#focused-specs) individual specs, and groups of specs, either programmatically or on the command line - - Run your tests in [random order](http://onsi.github.io/ginkgo/#spec-permutation), and then reuse random seeds to replicate the same order. - - Break up your test suite into parallel processes for straightforward [test parallelization](http://onsi.github.io/ginkgo/#parallel-specs) + - Mark specs as [pending](https://onsi.github.io/ginkgo/#pending-specs) + - [Focus](https://onsi.github.io/ginkgo/#focused-specs) individual specs, and groups of specs, either programmatically or on the command line + - Run your tests in [random order](https://onsi.github.io/ginkgo/#spec-permutation), and then reuse random seeds to replicate the same order. + - Break up your test suite into parallel processes for straightforward [test parallelization](https://onsi.github.io/ginkgo/#parallel-specs) -- `ginkgo`: a command line interface with plenty of handy command line arguments for [running your tests](http://onsi.github.io/ginkgo/#running-tests) and [generating](http://onsi.github.io/ginkgo/#generators) test files. Here are a few choice examples: +- `ginkgo`: a command line interface with plenty of handy command line arguments for [running your tests](https://onsi.github.io/ginkgo/#running-tests) and [generating](https://onsi.github.io/ginkgo/#generators) test files. Here are a few choice examples: - `ginkgo -nodes=N` runs your tests in `N` parallel processes and print out coherent output in realtime - `ginkgo -cover` runs your tests using Go's code coverage tool - `ginkgo convert` converts an XUnit-style `testing` package to a Ginkgo-style package @@ -37,37 +53,59 @@ If you have a question, comment, bug report, feature request, etc. please open a - `ginkgo watch` [watches](https://onsi.github.io/ginkgo/#watching-for-changes) packages *and their dependencies* for changes, then reruns tests. Run tests immediately as you develop! -- Built-in support for testing [asynchronicity](http://onsi.github.io/ginkgo/#asynchronous-tests) +- Built-in support for testing [asynchronicity](https://onsi.github.io/ginkgo/#asynchronous-tests) -- Built-in support for [benchmarking](http://onsi.github.io/ginkgo/#benchmark-tests) your code. Control the number of benchmark samples as you gather runtimes and other, arbitrary, bits of numerical information about your code. +- Built-in support for [benchmarking](https://onsi.github.io/ginkgo/#benchmark-tests) your code. Control the number of benchmark samples as you gather runtimes and other, arbitrary, bits of numerical information about your code. - [Completions for Sublime Text](https://github.com/onsi/ginkgo-sublime-completions): just use [Package Control](https://sublime.wbond.net/) to install `Ginkgo Completions`. - [Completions for VSCode](https://github.com/onsi/vscode-ginkgo): just use VSCode's extension installer to install `vscode-ginkgo`. -- Straightforward support for third-party testing libraries such as [Gomock](https://code.google.com/p/gomock/) and [Testify](https://github.com/stretchr/testify). Check out the [docs](http://onsi.github.io/ginkgo/#third-party-integrations) for details. +- Straightforward support for third-party testing libraries such as [Gomock](https://code.google.com/p/gomock/) and [Testify](https://github.com/stretchr/testify). Check out the [docs](https://onsi.github.io/ginkgo/#third-party-integrations) for details. - A modular architecture that lets you easily: - - Write [custom reporters](http://onsi.github.io/ginkgo/#writing-custom-reporters) (for example, Ginkgo comes with a [JUnit XML reporter](http://onsi.github.io/ginkgo/#generating-junit-xml-output) and a TeamCity reporter). - - [Adapt an existing matcher library (or write your own!)](http://onsi.github.io/ginkgo/#using-other-matcher-libraries) to work with Ginkgo + - Write [custom reporters](https://onsi.github.io/ginkgo/#writing-custom-reporters) (for example, Ginkgo comes with a [JUnit XML reporter](https://onsi.github.io/ginkgo/#generating-junit-xml-output) and a TeamCity reporter). + - [Adapt an existing matcher library (or write your own!)](https://onsi.github.io/ginkgo/#using-other-matcher-libraries) to work with Ginkgo -## [Gomega](http://github.com/onsi/gomega): Ginkgo's Preferred Matcher Library +## [Gomega](https://github.com/onsi/gomega): Ginkgo's Preferred Matcher Library -Ginkgo is best paired with Gomega. Learn more about Gomega [here](http://onsi.github.io/gomega/) +Ginkgo is best paired with Gomega. Learn more about Gomega [here](https://onsi.github.io/gomega/) -## [Agouti](http://github.com/sclevine/agouti): A Go Acceptance Testing Framework +## [Agouti](https://github.com/sclevine/agouti): A Go Acceptance Testing Framework -Agouti allows you run WebDriver integration tests. Learn more about Agouti [here](http://agouti.org) +Agouti allows you run WebDriver integration tests. Learn more about Agouti [here](https://agouti.org) -## Set Me Up! +## Getting Started -You'll need the Go command-line tools. Ginkgo is tested with Go 1.6+, but preferably you should get the latest. Follow the [installation instructions](https://golang.org/doc/install) if you don't have it installed. +You'll need the Go command-line tools. Follow the [installation instructions](https://golang.org/doc/install) if you don't have it installed. +### Global installation +To install the Ginkgo command line interface: ```bash +go get -u github.com/onsi/ginkgo/ginkgo +``` +Note that this will install it to `$GOBIN`, which will need to be in the `$PATH` (or equivalent). Run `go help install` for more information. + +### Go module ["tools package"](https://github.com/golang/go/issues/25922): +Create (or update) a file called `tools/tools.go` with the following contents: +```go +// +build tools -go get -u github.com/onsi/ginkgo/ginkgo # installs the ginkgo CLI -go get -u github.com/onsi/gomega/... # fetches the matcher library +package tools +import ( + _ "github.com/onsi/ginkgo/ginkgo" +) + +// This file imports packages that are used when running go generate, or used +// during the development process but not otherwise depended on by built code. +``` +The Ginkgo command can then be run via `go run github.com/onsi/ginkgo/ginkgo`. +This approach allows the version of Ginkgo to be maintained under source control for reproducible results, +and is well suited to automated test pipelines. + +### Bootstrapping +```bash cd path/to/package/you/want/to/test ginkgo bootstrap # set up a new ginkgo suite @@ -87,16 +125,16 @@ With that said, it's great to know what your options are :) ### What Go gives you out of the box -Testing is a first class citizen in Go, however Go's built-in testing primitives are somewhat limited: The [testing](http://golang.org/pkg/testing) package provides basic XUnit style tests and no assertion library. +Testing is a first class citizen in Go, however Go's built-in testing primitives are somewhat limited: The [testing](https://golang.org/pkg/testing) package provides basic XUnit style tests and no assertion library. ### Matcher libraries for Go's XUnit style tests A number of matcher libraries have been written to augment Go's built-in XUnit style tests. Here are two that have gained traction: - [testify](https://github.com/stretchr/testify) -- [gocheck](http://labix.org/gocheck) +- [gocheck](https://labix.org/gocheck) -You can also use Ginkgo's matcher library [Gomega](https://github.com/onsi/gomega) in [XUnit style tests](http://onsi.github.io/gomega/#using-gomega-with-golangs-xunitstyle-tests) +You can also use Ginkgo's matcher library [Gomega](https://github.com/onsi/gomega) in [XUnit style tests](https://onsi.github.io/gomega/#using-gomega-with-golangs-xunitstyle-tests) ### BDD style testing frameworks diff --git a/constraint/vendor/github.com/onsi/ginkgo/config/config.go b/constraint/vendor/github.com/onsi/ginkgo/config/config.go index ac55a5ad2..feef2bcd6 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/config/config.go +++ b/constraint/vendor/github.com/onsi/ginkgo/config/config.go @@ -1,7 +1,7 @@ /* Ginkgo accepts a number of configuration options. -These are documented [here](http://onsi.github.io/ginkgo/#the_ginkgo_cli) +These are documented [here](http://onsi.github.io/ginkgo/#the-ginkgo-cli) You can also learn more via @@ -20,7 +20,7 @@ import ( "fmt" ) -const VERSION = "1.10.1" +const VERSION = "1.14.1" type GinkgoConfigType struct { RandomSeed int64 @@ -53,6 +53,7 @@ type DefaultReporterConfigType struct { Verbose bool FullTrace bool ReportPassed bool + ReportFile string } var DefaultReporterConfig = DefaultReporterConfigType{} @@ -100,6 +101,8 @@ func Flags(flagSet *flag.FlagSet, prefix string, includeParallelFlags bool) { flagSet.BoolVar(&(DefaultReporterConfig.Succinct), prefix+"succinct", false, "If set, default reporter prints out a very succinct report") flagSet.BoolVar(&(DefaultReporterConfig.FullTrace), prefix+"trace", false, "If set, default reporter prints out the full stack trace when a failure occurs") flagSet.BoolVar(&(DefaultReporterConfig.ReportPassed), prefix+"reportPassed", false, "If set, default reporter prints out captured output of passed tests.") + flagSet.StringVar(&(DefaultReporterConfig.ReportFile), prefix+"reportFile", "", "Override the default reporter output file path.") + } func BuildFlagArgs(prefix string, ginkgo GinkgoConfigType, reporter DefaultReporterConfigType) []string { @@ -202,5 +205,9 @@ func BuildFlagArgs(prefix string, ginkgo GinkgoConfigType, reporter DefaultRepor result = append(result, fmt.Sprintf("--%sreportPassed", prefix)) } + if reporter.ReportFile != "" { + result = append(result, fmt.Sprintf("--%sreportFile=%s", prefix, reporter.ReportFile)) + } + return result } diff --git a/constraint/vendor/github.com/onsi/ginkgo/ginkgo_dsl.go b/constraint/vendor/github.com/onsi/ginkgo/ginkgo_dsl.go index 8734c061d..30ff86f59 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/ginkgo_dsl.go +++ b/constraint/vendor/github.com/onsi/ginkgo/ginkgo_dsl.go @@ -22,9 +22,8 @@ import ( "github.com/onsi/ginkgo/config" "github.com/onsi/ginkgo/internal/codelocation" - "github.com/onsi/ginkgo/internal/failer" + "github.com/onsi/ginkgo/internal/global" "github.com/onsi/ginkgo/internal/remote" - "github.com/onsi/ginkgo/internal/suite" "github.com/onsi/ginkgo/internal/testingtproxy" "github.com/onsi/ginkgo/internal/writer" "github.com/onsi/ginkgo/reporters" @@ -46,16 +45,10 @@ To circumvent this, you should call at the top of the goroutine that caused this panic. ` -const defaultTimeout = 1 - -var globalSuite *suite.Suite -var globalFailer *failer.Failer func init() { config.Flags(flag.CommandLine, "ginkgo", true) GinkgoWriter = writer.New(os.Stdout) - globalFailer = failer.New() - globalSuite = suite.New(globalFailer) } //GinkgoWriter implements an io.Writer @@ -156,7 +149,7 @@ type GinkgoTestDescription struct { //CurrentGinkgoTestDescripton returns information about the current running test. func CurrentGinkgoTestDescription() GinkgoTestDescription { - summary, ok := globalSuite.CurrentRunningSpecSummary() + summary, ok := global.Suite.CurrentRunningSpecSummary() if !ok { return GinkgoTestDescription{} } @@ -199,6 +192,11 @@ type Benchmarker interface { // ginkgo bootstrap func RunSpecs(t GinkgoTestingT, description string) bool { specReporters := []Reporter{buildDefaultReporter()} + if config.DefaultReporterConfig.ReportFile != "" { + reportFile := config.DefaultReporterConfig.ReportFile + specReporters[0] = reporters.NewJUnitReporter(reportFile) + return RunSpecsWithDefaultAndCustomReporters(t, description, specReporters) + } return RunSpecsWithCustomReporters(t, description, specReporters) } @@ -218,7 +216,7 @@ func RunSpecsWithCustomReporters(t GinkgoTestingT, description string, specRepor for i, reporter := range specReporters { reporters[i] = reporter } - passed, hasFocusedTests := globalSuite.Run(t, description, reporters, writer, config.GinkgoConfig) + passed, hasFocusedTests := global.Suite.Run(t, description, reporters, writer, config.GinkgoConfig) if passed && hasFocusedTests && strings.TrimSpace(os.Getenv("GINKGO_EDITOR_INTEGRATION")) == "" { fmt.Println("PASS | FOCUSED") os.Exit(types.GINKGO_FOCUS_EXIT_CODE) @@ -247,7 +245,7 @@ func Skip(message string, callerSkip ...int) { skip = callerSkip[0] } - globalFailer.Skip(message, codelocation.New(skip+1)) + global.Failer.Skip(message, codelocation.New(skip+1)) panic(GINKGO_PANIC) } @@ -258,7 +256,7 @@ func Fail(message string, callerSkip ...int) { skip = callerSkip[0] } - globalFailer.Fail(message, codelocation.New(skip+1)) + global.Failer.Fail(message, codelocation.New(skip+1)) panic(GINKGO_PANIC) } @@ -275,7 +273,7 @@ func Fail(message string, callerSkip ...int) { func GinkgoRecover() { e := recover() if e != nil { - globalFailer.Panic(codelocation.New(1), e) + global.Failer.Panic(codelocation.New(1), e) } } @@ -286,25 +284,25 @@ func GinkgoRecover() { //equivalent. The difference is purely semantic -- you typically Describe the behavior of an object //or method and, within that Describe, outline a number of Contexts and Whens. func Describe(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypeNone, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypeNone, codelocation.New(1)) return true } //You can focus the tests within a describe block using FDescribe func FDescribe(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypeFocused, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypeFocused, codelocation.New(1)) return true } //You can mark the tests within a describe block as pending using PDescribe func PDescribe(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) return true } //You can mark the tests within a describe block as pending using XDescribe func XDescribe(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) return true } @@ -315,25 +313,25 @@ func XDescribe(text string, body func()) bool { //equivalent. The difference is purely semantic -- you typical Describe the behavior of an object //or method and, within that Describe, outline a number of Contexts and Whens. func Context(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypeNone, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypeNone, codelocation.New(1)) return true } //You can focus the tests within a describe block using FContext func FContext(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypeFocused, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypeFocused, codelocation.New(1)) return true } //You can mark the tests within a describe block as pending using PContext func PContext(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) return true } //You can mark the tests within a describe block as pending using XContext func XContext(text string, body func()) bool { - globalSuite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) + global.Suite.PushContainerNode(text, body, types.FlagTypePending, codelocation.New(1)) return true } @@ -344,25 +342,25 @@ func XContext(text string, body func()) bool { //equivalent. The difference is purely semantic -- you typical Describe the behavior of an object //or method and, within that Describe, outline a number of Contexts and Whens. func When(text string, body func()) bool { - globalSuite.PushContainerNode("when "+text, body, types.FlagTypeNone, codelocation.New(1)) + global.Suite.PushContainerNode("when "+text, body, types.FlagTypeNone, codelocation.New(1)) return true } //You can focus the tests within a describe block using FWhen func FWhen(text string, body func()) bool { - globalSuite.PushContainerNode("when "+text, body, types.FlagTypeFocused, codelocation.New(1)) + global.Suite.PushContainerNode("when "+text, body, types.FlagTypeFocused, codelocation.New(1)) return true } //You can mark the tests within a describe block as pending using PWhen func PWhen(text string, body func()) bool { - globalSuite.PushContainerNode("when "+text, body, types.FlagTypePending, codelocation.New(1)) + global.Suite.PushContainerNode("when "+text, body, types.FlagTypePending, codelocation.New(1)) return true } //You can mark the tests within a describe block as pending using XWhen func XWhen(text string, body func()) bool { - globalSuite.PushContainerNode("when "+text, body, types.FlagTypePending, codelocation.New(1)) + global.Suite.PushContainerNode("when "+text, body, types.FlagTypePending, codelocation.New(1)) return true } @@ -372,25 +370,25 @@ func XWhen(text string, body func()) bool { //Ginkgo will normally run It blocks synchronously. To perform asynchronous tests, pass a //function that accepts a Done channel. When you do this, you can also provide an optional timeout. func It(text string, body interface{}, timeout ...float64) bool { - globalSuite.PushItNode(text, body, types.FlagTypeNone, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushItNode(text, body, types.FlagTypeNone, codelocation.New(1), parseTimeout(timeout...)) return true } //You can focus individual Its using FIt func FIt(text string, body interface{}, timeout ...float64) bool { - globalSuite.PushItNode(text, body, types.FlagTypeFocused, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushItNode(text, body, types.FlagTypeFocused, codelocation.New(1), parseTimeout(timeout...)) return true } //You can mark Its as pending using PIt func PIt(text string, _ ...interface{}) bool { - globalSuite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) + global.Suite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) return true } //You can mark Its as pending using XIt func XIt(text string, _ ...interface{}) bool { - globalSuite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) + global.Suite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) return true } @@ -398,25 +396,25 @@ func XIt(text string, _ ...interface{}) bool { //which "It" does not fit into a natural sentence flow. All the same protocols apply for Specify blocks //which apply to It blocks. func Specify(text string, body interface{}, timeout ...float64) bool { - globalSuite.PushItNode(text, body, types.FlagTypeNone, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushItNode(text, body, types.FlagTypeNone, codelocation.New(1), parseTimeout(timeout...)) return true } //You can focus individual Specifys using FSpecify func FSpecify(text string, body interface{}, timeout ...float64) bool { - globalSuite.PushItNode(text, body, types.FlagTypeFocused, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushItNode(text, body, types.FlagTypeFocused, codelocation.New(1), parseTimeout(timeout...)) return true } //You can mark Specifys as pending using PSpecify func PSpecify(text string, is ...interface{}) bool { - globalSuite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) + global.Suite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) return true } //You can mark Specifys as pending using XSpecify func XSpecify(text string, is ...interface{}) bool { - globalSuite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) + global.Suite.PushItNode(text, func() {}, types.FlagTypePending, codelocation.New(1), 0) return true } @@ -447,25 +445,25 @@ func By(text string, callbacks ...func()) { //The body function must have the signature: // func(b Benchmarker) func Measure(text string, body interface{}, samples int) bool { - globalSuite.PushMeasureNode(text, body, types.FlagTypeNone, codelocation.New(1), samples) + global.Suite.PushMeasureNode(text, body, types.FlagTypeNone, codelocation.New(1), samples) return true } //You can focus individual Measures using FMeasure func FMeasure(text string, body interface{}, samples int) bool { - globalSuite.PushMeasureNode(text, body, types.FlagTypeFocused, codelocation.New(1), samples) + global.Suite.PushMeasureNode(text, body, types.FlagTypeFocused, codelocation.New(1), samples) return true } //You can mark Measurements as pending using PMeasure func PMeasure(text string, _ ...interface{}) bool { - globalSuite.PushMeasureNode(text, func(b Benchmarker) {}, types.FlagTypePending, codelocation.New(1), 0) + global.Suite.PushMeasureNode(text, func(b Benchmarker) {}, types.FlagTypePending, codelocation.New(1), 0) return true } //You can mark Measurements as pending using XMeasure func XMeasure(text string, _ ...interface{}) bool { - globalSuite.PushMeasureNode(text, func(b Benchmarker) {}, types.FlagTypePending, codelocation.New(1), 0) + global.Suite.PushMeasureNode(text, func(b Benchmarker) {}, types.FlagTypePending, codelocation.New(1), 0) return true } @@ -476,7 +474,7 @@ func XMeasure(text string, _ ...interface{}) bool { // //You may only register *one* BeforeSuite handler per test suite. You typically do so in your bootstrap file at the top level. func BeforeSuite(body interface{}, timeout ...float64) bool { - globalSuite.SetBeforeSuiteNode(body, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.SetBeforeSuiteNode(body, codelocation.New(1), parseTimeout(timeout...)) return true } @@ -489,7 +487,7 @@ func BeforeSuite(body interface{}, timeout ...float64) bool { // //You may only register *one* AfterSuite handler per test suite. You typically do so in your bootstrap file at the top level. func AfterSuite(body interface{}, timeout ...float64) bool { - globalSuite.SetAfterSuiteNode(body, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.SetAfterSuiteNode(body, codelocation.New(1), parseTimeout(timeout...)) return true } @@ -534,7 +532,7 @@ func AfterSuite(body interface{}, timeout ...float64) bool { // Ω(err).ShouldNot(HaveOccurred()) // }) func SynchronizedBeforeSuite(node1Body interface{}, allNodesBody interface{}, timeout ...float64) bool { - globalSuite.SetSynchronizedBeforeSuiteNode( + global.Suite.SetSynchronizedBeforeSuiteNode( node1Body, allNodesBody, codelocation.New(1), @@ -561,7 +559,7 @@ func SynchronizedBeforeSuite(node1Body interface{}, allNodesBody interface{}, ti // dbRunner.Stop() // }) func SynchronizedAfterSuite(allNodesBody interface{}, node1Body interface{}, timeout ...float64) bool { - globalSuite.SetSynchronizedAfterSuiteNode( + global.Suite.SetSynchronizedAfterSuiteNode( allNodesBody, node1Body, codelocation.New(1), @@ -576,7 +574,7 @@ func SynchronizedAfterSuite(allNodesBody interface{}, node1Body interface{}, tim //Like It blocks, BeforeEach blocks can be made asynchronous by providing a body function that accepts //a Done channel func BeforeEach(body interface{}, timeout ...float64) bool { - globalSuite.PushBeforeEachNode(body, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushBeforeEachNode(body, codelocation.New(1), parseTimeout(timeout...)) return true } @@ -586,7 +584,7 @@ func BeforeEach(body interface{}, timeout ...float64) bool { //Like It blocks, BeforeEach blocks can be made asynchronous by providing a body function that accepts //a Done channel func JustBeforeEach(body interface{}, timeout ...float64) bool { - globalSuite.PushJustBeforeEachNode(body, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushJustBeforeEachNode(body, codelocation.New(1), parseTimeout(timeout...)) return true } @@ -596,7 +594,7 @@ func JustBeforeEach(body interface{}, timeout ...float64) bool { //Like It blocks, JustAfterEach blocks can be made asynchronous by providing a body function that accepts //a Done channel func JustAfterEach(body interface{}, timeout ...float64) bool { - globalSuite.PushJustAfterEachNode(body, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushJustAfterEachNode(body, codelocation.New(1), parseTimeout(timeout...)) return true } @@ -606,13 +604,13 @@ func JustAfterEach(body interface{}, timeout ...float64) bool { //Like It blocks, AfterEach blocks can be made asynchronous by providing a body function that accepts //a Done channel func AfterEach(body interface{}, timeout ...float64) bool { - globalSuite.PushAfterEachNode(body, codelocation.New(1), parseTimeout(timeout...)) + global.Suite.PushAfterEachNode(body, codelocation.New(1), parseTimeout(timeout...)) return true } func parseTimeout(timeout ...float64) time.Duration { if len(timeout) == 0 { - return time.Duration(defaultTimeout * int64(time.Second)) + return global.DefaultTimeout } else { return time.Duration(timeout[0] * float64(time.Second)) } diff --git a/constraint/vendor/github.com/onsi/ginkgo/go.mod b/constraint/vendor/github.com/onsi/ginkgo/go.mod new file mode 100644 index 000000000..1f7125228 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/go.mod @@ -0,0 +1,11 @@ +module github.com/onsi/ginkgo + +require ( + github.com/fsnotify/fsnotify v1.4.9 // indirect + github.com/nxadm/tail v1.4.4 + github.com/onsi/gomega v1.10.1 + golang.org/x/sys v0.0.0-20200519105757-fe76b779f299 + golang.org/x/text v0.3.2 // indirect +) + +go 1.13 diff --git a/constraint/vendor/github.com/onsi/ginkgo/go.sum b/constraint/vendor/github.com/onsi/ginkgo/go.sum new file mode 100644 index 000000000..2b774f3e8 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/go.sum @@ -0,0 +1,67 @@ +github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= +github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= +github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI= +github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= +github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78= +github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A= +github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk= +github.com/onsi/gomega v1.7.1 h1:K0jcRCwNQM3vFGh1ppMtDh/+7ApJrjldlX8fA0jDTLQ= +github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY= +github.com/onsi/gomega v1.10.1 h1:o0+MgICZLuZ7xjH7Vx6zS/zcu93/BEp1VwkIW1mEXCE= +github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA= +golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7 h1:AeiKBIuRw3UomYXSbLy0Mc2dDLfdtbT/IVn4keq83P0= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= +golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA= +golang.org/x/sync 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h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/global/init.go b/constraint/vendor/github.com/onsi/ginkgo/internal/global/init.go new file mode 100644 index 000000000..109f617a5 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/global/init.go @@ -0,0 +1,22 @@ +package global + +import ( + "time" + + "github.com/onsi/ginkgo/internal/failer" + "github.com/onsi/ginkgo/internal/suite" +) + +const DefaultTimeout = time.Duration(1 * time.Second) + +var Suite *suite.Suite +var Failer *failer.Failer + +func init() { + InitializeGlobals() +} + +func InitializeGlobals() { + Failer = failer.New() + Suite = suite.New(Failer) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/aggregator.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/aggregator.go index f9ab30067..992437d9e 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/aggregator.go +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/aggregator.go @@ -197,11 +197,11 @@ func (aggregator *Aggregator) announceSpec(specSummary *types.SpecSummary) { switch specSummary.State { case types.SpecStatePassed: if specSummary.IsMeasurement { - aggregator.stenographer.AnnounceSuccesfulMeasurement(specSummary, aggregator.config.Succinct) + aggregator.stenographer.AnnounceSuccessfulMeasurement(specSummary, aggregator.config.Succinct) } else if specSummary.RunTime.Seconds() >= aggregator.config.SlowSpecThreshold { - aggregator.stenographer.AnnounceSuccesfulSlowSpec(specSummary, aggregator.config.Succinct) + aggregator.stenographer.AnnounceSuccessfulSlowSpec(specSummary, aggregator.config.Succinct) } else { - aggregator.stenographer.AnnounceSuccesfulSpec(specSummary) + aggregator.stenographer.AnnounceSuccessfulSpec(specSummary) } case types.SpecStatePending: diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_darwin.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_darwin.go new file mode 100644 index 000000000..e3d09eadb --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_darwin.go @@ -0,0 +1,11 @@ +// +build darwin + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_dragonfly.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_dragonfly.go new file mode 100644 index 000000000..72d38686a --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_dragonfly.go @@ -0,0 +1,11 @@ +// +build dragonfly + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_freebsd.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_freebsd.go new file mode 100644 index 000000000..497d548d9 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_freebsd.go @@ -0,0 +1,11 @@ +// +build freebsd + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_linux.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_linux.go new file mode 100644 index 000000000..29add0d33 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_linux.go @@ -0,0 +1,12 @@ +// +build linux +// +build !mips64le + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_linux_mips64le.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_linux_mips64le.go new file mode 100644 index 000000000..09bd06260 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_linux_mips64le.go @@ -0,0 +1,12 @@ +// +build linux +// +build mips64le + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup3(oldfd, newfd, 0) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_netbsd.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_netbsd.go new file mode 100644 index 000000000..16ad6aeb2 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_netbsd.go @@ -0,0 +1,11 @@ +// +build netbsd + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_openbsd.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_openbsd.go new file mode 100644 index 000000000..4275f8421 --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_openbsd.go @@ -0,0 +1,11 @@ +// +build openbsd + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_solaris.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_solaris.go new file mode 100644 index 000000000..882a38a9e --- /dev/null +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_solaris.go @@ -0,0 +1,11 @@ +// +build solaris + +package remote + +import ( + "golang.org/x/sys/unix" +) + +func interceptorDupx(oldfd int, newfd int) { + unix.Dup2(oldfd, newfd) +} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_unix.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_unix.go index ab6622a29..80614d0ce 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_unix.go +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/output_interceptor_unix.go @@ -7,7 +7,7 @@ import ( "io/ioutil" "os" - "github.com/hpcloud/tail" + "github.com/nxadm/tail" ) func NewOutputInterceptor() OutputInterceptor { @@ -35,12 +35,8 @@ func (interceptor *outputInterceptor) StartInterceptingOutput() error { return err } - // Call a function in ./syscall_dup_*.go - // If building for everything other than linux_arm64, - // use a "normal" syscall.Dup2(oldfd, newfd) call. If building for linux_arm64 (which doesn't have syscall.Dup2) - // call syscall.Dup3(oldfd, newfd, 0). They are nearly identical, see: http://linux.die.net/man/2/dup3 - syscallDup(int(interceptor.redirectFile.Fd()), 1) - syscallDup(int(interceptor.redirectFile.Fd()), 2) + interceptorDupx(int(interceptor.redirectFile.Fd()), 1) + interceptorDupx(int(interceptor.redirectFile.Fd()), 2) if interceptor.streamTarget != nil { interceptor.tailer, _ = tail.TailFile(interceptor.redirectFile.Name(), tail.Config{Follow: true}) diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_linux_arm64.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_linux_arm64.go deleted file mode 100644 index 9550d37b3..000000000 --- a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_linux_arm64.go +++ /dev/null @@ -1,11 +0,0 @@ -// +build linux,arm64 - -package remote - -import "syscall" - -// linux_arm64 doesn't have syscall.Dup2 which ginkgo uses, so -// use the nearly identical syscall.Dup3 instead -func syscallDup(oldfd int, newfd int) (err error) { - return syscall.Dup3(oldfd, newfd, 0) -} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_solaris.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_solaris.go deleted file mode 100644 index 75ef7fb78..000000000 --- a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_solaris.go +++ /dev/null @@ -1,9 +0,0 @@ -// +build solaris - -package remote - -import "golang.org/x/sys/unix" - -func syscallDup(oldfd int, newfd int) (err error) { - return unix.Dup2(oldfd, newfd) -} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_unix.go b/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_unix.go deleted file mode 100644 index ef6255960..000000000 --- a/constraint/vendor/github.com/onsi/ginkgo/internal/remote/syscall_dup_unix.go +++ /dev/null @@ -1,11 +0,0 @@ -// +build !linux !arm64 -// +build !windows -// +build !solaris - -package remote - -import "syscall" - -func syscallDup(oldfd int, newfd int) (err error) { - return syscall.Dup2(oldfd, newfd) -} diff --git a/constraint/vendor/github.com/onsi/ginkgo/internal/suite/suite.go b/constraint/vendor/github.com/onsi/ginkgo/internal/suite/suite.go index 3104bbc88..e75da1f89 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/internal/suite/suite.go +++ b/constraint/vendor/github.com/onsi/ginkgo/internal/suite/suite.go @@ -22,25 +22,37 @@ type ginkgoTestingT interface { Fail() } +type deferredContainerNode struct { + text string + body func() + flag types.FlagType + codeLocation types.CodeLocation +} + type Suite struct { topLevelContainer *containernode.ContainerNode currentContainer *containernode.ContainerNode - containerIndex int - beforeSuiteNode leafnodes.SuiteNode - afterSuiteNode leafnodes.SuiteNode - runner *specrunner.SpecRunner - failer *failer.Failer - running bool + + deferredContainerNodes []deferredContainerNode + + containerIndex int + beforeSuiteNode leafnodes.SuiteNode + afterSuiteNode leafnodes.SuiteNode + runner *specrunner.SpecRunner + failer *failer.Failer + running bool + expandTopLevelNodes bool } func New(failer *failer.Failer) *Suite { topLevelContainer := containernode.New("[Top Level]", types.FlagTypeNone, types.CodeLocation{}) return &Suite{ - topLevelContainer: topLevelContainer, - currentContainer: topLevelContainer, - failer: failer, - containerIndex: 1, + topLevelContainer: topLevelContainer, + currentContainer: topLevelContainer, + failer: failer, + containerIndex: 1, + deferredContainerNodes: []deferredContainerNode{}, } } @@ -53,6 +65,11 @@ func (suite *Suite) Run(t ginkgoTestingT, description string, reporters []report panic("ginkgo.parallel.node is one-indexed and must be <= ginkgo.parallel.total") } + suite.expandTopLevelNodes = true + for _, deferredNode := range suite.deferredContainerNodes { + suite.PushContainerNode(deferredNode.text, deferredNode.body, deferredNode.flag, deferredNode.codeLocation) + } + r := rand.New(rand.NewSource(config.RandomSeed)) suite.topLevelContainer.Shuffle(r) iterator, hasProgrammaticFocus := suite.generateSpecsIterator(description, config) @@ -102,6 +119,9 @@ func (suite *Suite) generateSpecsIterator(description string, config config.Gink } func (suite *Suite) CurrentRunningSpecSummary() (*types.SpecSummary, bool) { + if !suite.running { + return nil, false + } return suite.runner.CurrentSpecSummary() } @@ -134,6 +154,23 @@ func (suite *Suite) SetSynchronizedAfterSuiteNode(bodyA interface{}, bodyB inter } func (suite *Suite) PushContainerNode(text string, body func(), flag types.FlagType, codeLocation types.CodeLocation) { + /* + We defer walking the container nodes (which immediately evaluates the `body` function) + until `RunSpecs` is called. We do this by storing off the deferred container nodes. Then, when + `RunSpecs` is called we actually go through and add the container nodes to the test structure. + + This allows us to defer calling all the `body` functions until _after_ the top level functions + have been walked, _after_ func init()s have been called, and _after_ `go test` has called `flag.Parse()`. + + This allows users to load up configuration information in the `TestX` go test hook just before `RunSpecs` + is invoked and solves issues like #693 and makes the lifecycle easier to reason about. + + */ + if !suite.expandTopLevelNodes { + suite.deferredContainerNodes = append(suite.deferredContainerNodes, deferredContainerNode{text, body, flag, codeLocation}) + return + } + container := containernode.New(text, flag, codeLocation) suite.currentContainer.PushContainerNode(container) diff --git a/constraint/vendor/github.com/onsi/ginkgo/reporters/default_reporter.go b/constraint/vendor/github.com/onsi/ginkgo/reporters/default_reporter.go index c76283b46..f0c9f6141 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/reporters/default_reporter.go +++ b/constraint/vendor/github.com/onsi/ginkgo/reporters/default_reporter.go @@ -57,11 +57,11 @@ func (reporter *DefaultReporter) SpecDidComplete(specSummary *types.SpecSummary) switch specSummary.State { case types.SpecStatePassed: if specSummary.IsMeasurement { - reporter.stenographer.AnnounceSuccesfulMeasurement(specSummary, reporter.config.Succinct) + reporter.stenographer.AnnounceSuccessfulMeasurement(specSummary, reporter.config.Succinct) } else if specSummary.RunTime.Seconds() >= reporter.config.SlowSpecThreshold { - reporter.stenographer.AnnounceSuccesfulSlowSpec(specSummary, reporter.config.Succinct) + reporter.stenographer.AnnounceSuccessfulSlowSpec(specSummary, reporter.config.Succinct) } else { - reporter.stenographer.AnnounceSuccesfulSpec(specSummary) + reporter.stenographer.AnnounceSuccessfulSpec(specSummary) if reporter.config.ReportPassed { reporter.stenographer.AnnounceCapturedOutput(specSummary.CapturedOutput) } diff --git a/constraint/vendor/github.com/onsi/ginkgo/reporters/junit_reporter.go b/constraint/vendor/github.com/onsi/ginkgo/reporters/junit_reporter.go index 89a7c8465..963caaaff 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/reporters/junit_reporter.go +++ b/constraint/vendor/github.com/onsi/ginkgo/reporters/junit_reporter.go @@ -13,6 +13,7 @@ import ( "fmt" "math" "os" + "path/filepath" "strings" "github.com/onsi/ginkgo/config" @@ -49,7 +50,7 @@ type JUnitFailureMessage struct { } type JUnitSkipped struct { - XMLName xml.Name `xml:"skipped"` + Message string `xml:",chardata"` } type JUnitReporter struct { @@ -131,6 +132,9 @@ func (reporter *JUnitReporter) SpecDidComplete(specSummary *types.SpecSummary) { } if specSummary.State == types.SpecStateSkipped || specSummary.State == types.SpecStatePending { testCase.Skipped = &JUnitSkipped{} + if specSummary.Failure.Message != "" { + testCase.Skipped.Message = failureMessage(specSummary.Failure) + } } testCase.Time = specSummary.RunTime.Seconds() reporter.suite.TestCases = append(reporter.suite.TestCases, testCase) @@ -141,17 +145,29 @@ func (reporter *JUnitReporter) SpecSuiteDidEnd(summary *types.SuiteSummary) { reporter.suite.Time = math.Trunc(summary.RunTime.Seconds()*1000) / 1000 reporter.suite.Failures = summary.NumberOfFailedSpecs reporter.suite.Errors = 0 - file, err := os.Create(reporter.filename) + if reporter.ReporterConfig.ReportFile != "" { + reporter.filename = reporter.ReporterConfig.ReportFile + fmt.Printf("\nJUnit path was configured: %s\n", reporter.filename) + } + filePath, _ := filepath.Abs(reporter.filename) + dirPath := filepath.Dir(filePath) + err := os.MkdirAll(dirPath, os.ModePerm) if err != nil { - fmt.Printf("Failed to create JUnit report file: %s\n\t%s", reporter.filename, err.Error()) + fmt.Printf("\nFailed to create JUnit directory: %s\n\t%s", filePath, err.Error()) + } + file, err := os.Create(filePath) + if err != nil { + fmt.Fprintf(os.Stderr, "Failed to create JUnit report file: %s\n\t%s", filePath, err.Error()) } defer file.Close() file.WriteString(xml.Header) encoder := xml.NewEncoder(file) encoder.Indent(" ", " ") err = encoder.Encode(reporter.suite) - if err != nil { - fmt.Printf("Failed to generate JUnit report\n\t%s", err.Error()) + if err == nil { + fmt.Fprintf(os.Stdout, "\nJUnit report was created: %s\n", filePath) + } else { + fmt.Fprintf(os.Stderr,"\nFailed to generate JUnit report data:\n\t%s", err.Error()) } } diff --git a/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/fake_stenographer.go b/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/fake_stenographer.go index 98854e7d9..1aa5b9db0 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/fake_stenographer.go +++ b/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/fake_stenographer.go @@ -105,16 +105,16 @@ func (stenographer *FakeStenographer) AnnounceCapturedOutput(output string) { stenographer.registerCall("AnnounceCapturedOutput", output) } -func (stenographer *FakeStenographer) AnnounceSuccesfulSpec(spec *types.SpecSummary) { - stenographer.registerCall("AnnounceSuccesfulSpec", spec) +func (stenographer *FakeStenographer) AnnounceSuccessfulSpec(spec *types.SpecSummary) { + stenographer.registerCall("AnnounceSuccessfulSpec", spec) } -func (stenographer *FakeStenographer) AnnounceSuccesfulSlowSpec(spec *types.SpecSummary, succinct bool) { - stenographer.registerCall("AnnounceSuccesfulSlowSpec", spec, succinct) +func (stenographer *FakeStenographer) AnnounceSuccessfulSlowSpec(spec *types.SpecSummary, succinct bool) { + stenographer.registerCall("AnnounceSuccessfulSlowSpec", spec, succinct) } -func (stenographer *FakeStenographer) AnnounceSuccesfulMeasurement(spec *types.SpecSummary, succinct bool) { - stenographer.registerCall("AnnounceSuccesfulMeasurement", spec, succinct) +func (stenographer *FakeStenographer) AnnounceSuccessfulMeasurement(spec *types.SpecSummary, succinct bool) { + stenographer.registerCall("AnnounceSuccessfulMeasurement", spec, succinct) } func (stenographer *FakeStenographer) AnnouncePendingSpec(spec *types.SpecSummary, noisy bool) { diff --git a/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/stenographer.go b/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/stenographer.go index 601c74d66..638d6fbb1 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/stenographer.go +++ b/constraint/vendor/github.com/onsi/ginkgo/reporters/stenographer/stenographer.go @@ -47,9 +47,9 @@ type Stenographer interface { AnnounceCapturedOutput(output string) - AnnounceSuccesfulSpec(spec *types.SpecSummary) - AnnounceSuccesfulSlowSpec(spec *types.SpecSummary, succinct bool) - AnnounceSuccesfulMeasurement(spec *types.SpecSummary, succinct bool) + AnnounceSuccessfulSpec(spec *types.SpecSummary) + AnnounceSuccessfulSlowSpec(spec *types.SpecSummary, succinct bool) + AnnounceSuccessfulMeasurement(spec *types.SpecSummary, succinct bool) AnnouncePendingSpec(spec *types.SpecSummary, noisy bool) AnnounceSkippedSpec(spec *types.SpecSummary, succinct bool, fullTrace bool) @@ -245,12 +245,12 @@ func (s *consoleStenographer) AnnounceCapturedOutput(output string) { s.midBlock() } -func (s *consoleStenographer) AnnounceSuccesfulSpec(spec *types.SpecSummary) { +func (s *consoleStenographer) AnnounceSuccessfulSpec(spec *types.SpecSummary) { s.print(0, s.colorize(greenColor, s.denoter)) s.stream() } -func (s *consoleStenographer) AnnounceSuccesfulSlowSpec(spec *types.SpecSummary, succinct bool) { +func (s *consoleStenographer) AnnounceSuccessfulSlowSpec(spec *types.SpecSummary, succinct bool) { s.printBlockWithMessage( s.colorize(greenColor, "%s [SLOW TEST:%.3f seconds]", s.denoter, spec.RunTime.Seconds()), "", @@ -259,7 +259,7 @@ func (s *consoleStenographer) AnnounceSuccesfulSlowSpec(spec *types.SpecSummary, ) } -func (s *consoleStenographer) AnnounceSuccesfulMeasurement(spec *types.SpecSummary, succinct bool) { +func (s *consoleStenographer) AnnounceSuccessfulMeasurement(spec *types.SpecSummary, succinct bool) { s.printBlockWithMessage( s.colorize(greenColor, "%s [MEASUREMENT]", s.denoter), s.measurementReport(spec, succinct), diff --git a/constraint/vendor/github.com/onsi/ginkgo/reporters/teamcity_reporter.go b/constraint/vendor/github.com/onsi/ginkgo/reporters/teamcity_reporter.go index c8e27b2a7..84fd8aff8 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/reporters/teamcity_reporter.go +++ b/constraint/vendor/github.com/onsi/ginkgo/reporters/teamcity_reporter.go @@ -35,7 +35,7 @@ func NewTeamCityReporter(writer io.Writer) *TeamCityReporter { func (reporter *TeamCityReporter) SpecSuiteWillBegin(config config.GinkgoConfigType, summary *types.SuiteSummary) { reporter.testSuiteName = escape(summary.SuiteDescription) - fmt.Fprintf(reporter.writer, "%s[testSuiteStarted name='%s']", messageId, reporter.testSuiteName) + fmt.Fprintf(reporter.writer, "%s[testSuiteStarted name='%s']\n", messageId, reporter.testSuiteName) } func (reporter *TeamCityReporter) BeforeSuiteDidRun(setupSummary *types.SetupSummary) { @@ -49,18 +49,18 @@ func (reporter *TeamCityReporter) AfterSuiteDidRun(setupSummary *types.SetupSumm func (reporter *TeamCityReporter) handleSetupSummary(name string, setupSummary *types.SetupSummary) { if setupSummary.State != types.SpecStatePassed { testName := escape(name) - fmt.Fprintf(reporter.writer, "%s[testStarted name='%s']", messageId, testName) - message := escape(setupSummary.Failure.ComponentCodeLocation.String()) - details := escape(setupSummary.Failure.Message) - fmt.Fprintf(reporter.writer, "%s[testFailed name='%s' message='%s' details='%s']", messageId, testName, message, details) + fmt.Fprintf(reporter.writer, "%s[testStarted name='%s']\n", messageId, testName) + message := reporter.failureMessage(setupSummary.Failure) + details := reporter.failureDetails(setupSummary.Failure) + fmt.Fprintf(reporter.writer, "%s[testFailed name='%s' message='%s' details='%s']\n", messageId, testName, message, details) durationInMilliseconds := setupSummary.RunTime.Seconds() * 1000 - fmt.Fprintf(reporter.writer, "%s[testFinished name='%s' duration='%v']", messageId, testName, durationInMilliseconds) + fmt.Fprintf(reporter.writer, "%s[testFinished name='%s' duration='%v']\n", messageId, testName, durationInMilliseconds) } } func (reporter *TeamCityReporter) SpecWillRun(specSummary *types.SpecSummary) { testName := escape(strings.Join(specSummary.ComponentTexts[1:], " ")) - fmt.Fprintf(reporter.writer, "%s[testStarted name='%s']", messageId, testName) + fmt.Fprintf(reporter.writer, "%s[testStarted name='%s']\n", messageId, testName) } func (reporter *TeamCityReporter) SpecDidComplete(specSummary *types.SpecSummary) { @@ -68,23 +68,31 @@ func (reporter *TeamCityReporter) SpecDidComplete(specSummary *types.SpecSummary if reporter.ReporterConfig.ReportPassed && specSummary.State == types.SpecStatePassed { details := escape(specSummary.CapturedOutput) - fmt.Fprintf(reporter.writer, "%s[testPassed name='%s' details='%s']", messageId, testName, details) + fmt.Fprintf(reporter.writer, "%s[testPassed name='%s' details='%s']\n", messageId, testName, details) } if specSummary.State == types.SpecStateFailed || specSummary.State == types.SpecStateTimedOut || specSummary.State == types.SpecStatePanicked { - message := escape(specSummary.Failure.ComponentCodeLocation.String()) - details := escape(specSummary.Failure.Message) - fmt.Fprintf(reporter.writer, "%s[testFailed name='%s' message='%s' details='%s']", messageId, testName, message, details) + message := reporter.failureMessage(specSummary.Failure) + details := reporter.failureDetails(specSummary.Failure) + fmt.Fprintf(reporter.writer, "%s[testFailed name='%s' message='%s' details='%s']\n", messageId, testName, message, details) } if specSummary.State == types.SpecStateSkipped || specSummary.State == types.SpecStatePending { - fmt.Fprintf(reporter.writer, "%s[testIgnored name='%s']", messageId, testName) + fmt.Fprintf(reporter.writer, "%s[testIgnored name='%s']\n", messageId, testName) } durationInMilliseconds := specSummary.RunTime.Seconds() * 1000 - fmt.Fprintf(reporter.writer, "%s[testFinished name='%s' duration='%v']", messageId, testName, durationInMilliseconds) + fmt.Fprintf(reporter.writer, "%s[testFinished name='%s' duration='%v']\n", messageId, testName, durationInMilliseconds) } func (reporter *TeamCityReporter) SpecSuiteDidEnd(summary *types.SuiteSummary) { - fmt.Fprintf(reporter.writer, "%s[testSuiteFinished name='%s']", messageId, reporter.testSuiteName) + fmt.Fprintf(reporter.writer, "%s[testSuiteFinished name='%s']\n", messageId, reporter.testSuiteName) +} + +func (reporter *TeamCityReporter) failureMessage(failure types.SpecFailure) string { + return escape(failure.ComponentCodeLocation.String()) +} + +func (reporter *TeamCityReporter) failureDetails(failure types.SpecFailure) string { + return escape(fmt.Sprintf("%s\n%s", failure.Message, failure.Location.String())) } func escape(output string) string { diff --git a/constraint/vendor/github.com/onsi/ginkgo/types/types.go b/constraint/vendor/github.com/onsi/ginkgo/types/types.go index e4e32b761..c143e02d8 100644 --- a/constraint/vendor/github.com/onsi/ginkgo/types/types.go +++ b/constraint/vendor/github.com/onsi/ginkgo/types/types.go @@ -12,7 +12,7 @@ SuiteSummary represents the a summary of the test suite and is passed to both Reporter.SpecSuiteWillBegin Reporter.SpecSuiteDidEnd -this is unfortunate as these two methods should receive different objects. When running in parallel +this is unfortunate as these two methods should receive different objects. When running in parallel each node does not deterministically know how many specs it will end up running. Unfortunately making such a change would break backward compatibility. diff --git a/constraint/vendor/github.com/onsi/gomega/.travis.yml b/constraint/vendor/github.com/onsi/gomega/.travis.yml index d147e451d..072fdd2db 100644 --- a/constraint/vendor/github.com/onsi/gomega/.travis.yml +++ b/constraint/vendor/github.com/onsi/gomega/.travis.yml @@ -1,9 +1,8 @@ language: go go: - - 1.10.x - - 1.11.x - - 1.12.x + - 1.13.x + - 1.14.x - gotip env: diff --git a/constraint/vendor/github.com/onsi/gomega/CHANGELOG.md b/constraint/vendor/github.com/onsi/gomega/CHANGELOG.md index f67074016..0b6c2fb61 100644 --- a/constraint/vendor/github.com/onsi/gomega/CHANGELOG.md +++ b/constraint/vendor/github.com/onsi/gomega/CHANGELOG.md @@ -1,3 +1,44 @@ +## 1.10.2 + +### Fixes +- Add ExpectWithOffset, EventuallyWithOffset and ConsistentlyWithOffset to WithT (#391) [990941a] + +## 1.10.1 + +### Fixes +- Update dependencies (#389) [9f5eecd] + +## 1.10.0 + +### Features +- Add HaveHTTPStatusMatcher (#378) [f335c94] +- Changed matcher for content-type in VerifyJSONRepresenting (#377) [6024f5b] +- Make ghttp usable with x-unit style tests (#376) [c0be499] +- Implement PanicWith matcher (#381) [f8032b4] + +## 1.9.0 + +### Features +- Add ContainElements matcher (#370) [2f57380] +- Output missing and extra elements in ConsistOf failure message [a31eda7] +- Document method LargestMatching [7c5a280] + +## 1.8.1 + +### Fixes +- Fix unexpected MatchError() behaviour (#375) [8ae7b2f] + +## 1.8.0 + +### Features +- Allow optional description to be lazily evaluated function (#364) [bf64010] +- Support wrapped errors (#359) [0a981cb] + +## 1.7.1 + +### Fixes +- Bump go-yaml version to cover fixed ddos heuristic (#362) [95e431e] + ## 1.7.0 ### Features diff --git a/constraint/vendor/github.com/onsi/gomega/go.mod b/constraint/vendor/github.com/onsi/gomega/go.mod index 65eedf696..778935141 100644 --- a/constraint/vendor/github.com/onsi/gomega/go.mod +++ b/constraint/vendor/github.com/onsi/gomega/go.mod @@ -1,15 +1,9 @@ module github.com/onsi/gomega require ( - github.com/fsnotify/fsnotify v1.4.7 // indirect - github.com/golang/protobuf v1.2.0 - github.com/hpcloud/tail v1.0.0 // indirect - github.com/onsi/ginkgo v1.6.0 - golang.org/x/net v0.0.0-20180906233101-161cd47e91fd - golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f // indirect - golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e // indirect - golang.org/x/text v0.3.0 // indirect - gopkg.in/fsnotify.v1 v1.4.7 // indirect - gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect - gopkg.in/yaml.v2 v2.2.1 + github.com/golang/protobuf v1.4.2 + github.com/onsi/ginkgo v1.12.1 + golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7 + golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 + gopkg.in/yaml.v2 v2.3.0 ) diff --git a/constraint/vendor/github.com/onsi/gomega/go.sum b/constraint/vendor/github.com/onsi/gomega/go.sum index b23f6ef02..610b09bee 100644 --- a/constraint/vendor/github.com/onsi/gomega/go.sum +++ b/constraint/vendor/github.com/onsi/gomega/go.sum @@ -2,23 +2,59 @@ github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM= github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= +github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78= +github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A= github.com/onsi/ginkgo v1.6.0 h1:Ix8l273rp3QzYgXSR+c8d1fTG7UPgYkOSELPhiY/YGw= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.12.1 h1:mFwc4LvZ0xpSvDZ3E+k8Yte0hLOMxXUlP+yXtJqkYfQ= +github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk= +github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7 h1:AeiKBIuRw3UomYXSbLy0Mc2dDLfdtbT/IVn4keq83P0= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e h1:o3PsSEY8E4eXWkXrIP9YJALUkVZqzHJT5DOasTyn8Vs= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e h1:N7DeIrjYszNmSW409R3frPPwglRwMkXSBzwVbkOjLLA= +golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884= +golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= +golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= +google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= +google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= +google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= +google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= +google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM= +google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= -gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE= -gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/constraint/vendor/github.com/onsi/gomega/gomega_dsl.go b/constraint/vendor/github.com/onsi/gomega/gomega_dsl.go index b145768cf..b416d20cc 100644 --- a/constraint/vendor/github.com/onsi/gomega/gomega_dsl.go +++ b/constraint/vendor/github.com/onsi/gomega/gomega_dsl.go @@ -24,7 +24,7 @@ import ( "github.com/onsi/gomega/types" ) -const GOMEGA_VERSION = "1.7.0" +const GOMEGA_VERSION = "1.10.2" const nilFailHandlerPanic = `You are trying to make an assertion, but Gomega's fail handler is nil. If you're using Ginkgo then you probably forgot to put your assertion in an It(). @@ -252,7 +252,7 @@ func Consistently(actual interface{}, intervals ...interface{}) AsyncAssertion { return ConsistentlyWithOffset(0, actual, intervals...) } -// ConsistentlyWithOffset operates like Consistnetly but takes an additional +// ConsistentlyWithOffset operates like Consistently but takes an additional // initial argument to indicate an offset in the call stack. This is useful when building helper // functions that contain matchers. To learn more, read about `ExpectWithOffset`. func ConsistentlyWithOffset(offset int, actual interface{}, intervals ...interface{}) AsyncAssertion { @@ -293,16 +293,18 @@ func SetDefaultConsistentlyPollingInterval(t time.Duration) { // AsyncAssertion is returned by Eventually and Consistently and polls the actual value passed into Eventually against // the matcher passed to the Should and ShouldNot methods. // -// Both Should and ShouldNot take a variadic optionalDescription argument. This is passed on to -// fmt.Sprintf() and is used to annotate failure messages. This allows you to make your failure messages more -// descriptive. +// Both Should and ShouldNot take a variadic optionalDescription argument. +// This argument allows you to make your failure messages more descriptive. +// If a single argument of type `func() string` is passed, this function will be lazily evaluated if a failure occurs +// and the returned string is used to annotate the failure message. +// Otherwise, this argument is passed on to fmt.Sprintf() and then used to annotate the failure message. // // Both Should and ShouldNot return a boolean that is true if the assertion passed and false if it failed. // // Example: // // Eventually(myChannel).Should(Receive(), "Something should have come down the pipe.") -// Consistently(myChannel).ShouldNot(Receive(), "Nothing should have come down the pipe.") +// Consistently(myChannel).ShouldNot(Receive(), func() string { return "Nothing should have come down the pipe." }) type AsyncAssertion interface { Should(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool ShouldNot(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool @@ -317,8 +319,11 @@ type GomegaAsyncAssertion = AsyncAssertion // Typically Should/ShouldNot are used with Ω and To/ToNot/NotTo are used with Expect // though this is not enforced. // -// All methods take a variadic optionalDescription argument. This is passed on to fmt.Sprintf() -// and is used to annotate failure messages. +// All methods take a variadic optionalDescription argument. +// This argument allows you to make your failure messages more descriptive. +// If a single argument of type `func() string` is passed, this function will be lazily evaluated if a failure occurs +// and the returned string is used to annotate the failure message. +// Otherwise, this argument is passed on to fmt.Sprintf() and then used to annotate the failure message. // // All methods return a bool that is true if the assertion passed and false if it failed. // @@ -371,13 +376,13 @@ func NewGomegaWithT(t types.GomegaTestingT) *GomegaWithT { return NewWithT(t) } -// Expect is used to make assertions. See documentation for Expect. -func (g *WithT) Expect(actual interface{}, extra ...interface{}) Assertion { - return assertion.New(actual, testingtsupport.BuildTestingTGomegaFailWrapper(g.t), 0, extra...) +// ExpectWithOffset is used to make assertions. See documentation for ExpectWithOffset. +func (g *WithT) ExpectWithOffset(offset int, actual interface{}, extra ...interface{}) Assertion { + return assertion.New(actual, testingtsupport.BuildTestingTGomegaFailWrapper(g.t), offset, extra...) } -// Eventually is used to make asynchronous assertions. See documentation for Eventually. -func (g *WithT) Eventually(actual interface{}, intervals ...interface{}) AsyncAssertion { +// EventuallyWithOffset is used to make asynchronous assertions. See documentation for EventuallyWithOffset. +func (g *WithT) EventuallyWithOffset(offset int, actual interface{}, intervals ...interface{}) AsyncAssertion { timeoutInterval := defaultEventuallyTimeout pollingInterval := defaultEventuallyPollingInterval if len(intervals) > 0 { @@ -386,11 +391,11 @@ func (g *WithT) Eventually(actual interface{}, intervals ...interface{}) AsyncAs if len(intervals) > 1 { pollingInterval = toDuration(intervals[1]) } - return asyncassertion.New(asyncassertion.AsyncAssertionTypeEventually, actual, testingtsupport.BuildTestingTGomegaFailWrapper(g.t), timeoutInterval, pollingInterval, 0) + return asyncassertion.New(asyncassertion.AsyncAssertionTypeEventually, actual, testingtsupport.BuildTestingTGomegaFailWrapper(g.t), timeoutInterval, pollingInterval, offset) } -// Consistently is used to make asynchronous assertions. See documentation for Consistently. -func (g *WithT) Consistently(actual interface{}, intervals ...interface{}) AsyncAssertion { +// ConsistentlyWithOffset is used to make asynchronous assertions. See documentation for ConsistentlyWithOffset. +func (g *WithT) ConsistentlyWithOffset(offset int, actual interface{}, intervals ...interface{}) AsyncAssertion { timeoutInterval := defaultConsistentlyDuration pollingInterval := defaultConsistentlyPollingInterval if len(intervals) > 0 { @@ -399,7 +404,22 @@ func (g *WithT) Consistently(actual interface{}, intervals ...interface{}) Async if len(intervals) > 1 { pollingInterval = toDuration(intervals[1]) } - return asyncassertion.New(asyncassertion.AsyncAssertionTypeConsistently, actual, testingtsupport.BuildTestingTGomegaFailWrapper(g.t), timeoutInterval, pollingInterval, 0) + return asyncassertion.New(asyncassertion.AsyncAssertionTypeConsistently, actual, testingtsupport.BuildTestingTGomegaFailWrapper(g.t), timeoutInterval, pollingInterval, offset) +} + +// Expect is used to make assertions. See documentation for Expect. +func (g *WithT) Expect(actual interface{}, extra ...interface{}) Assertion { + return g.ExpectWithOffset(0, actual, extra...) +} + +// Eventually is used to make asynchronous assertions. See documentation for Eventually. +func (g *WithT) Eventually(actual interface{}, intervals ...interface{}) AsyncAssertion { + return g.EventuallyWithOffset(0, actual, intervals...) +} + +// Consistently is used to make asynchronous assertions. See documentation for Consistently. +func (g *WithT) Consistently(actual interface{}, intervals ...interface{}) AsyncAssertion { + return g.ConsistentlyWithOffset(0, actual, intervals...) } func toDuration(input interface{}) time.Duration { @@ -427,3 +447,32 @@ func toDuration(input interface{}) time.Duration { panic(fmt.Sprintf("%v is not a valid interval. Must be time.Duration, parsable duration string or a number.", input)) } + +// Gomega describes the essential Gomega DSL. This interface allows libraries +// to abstract between the standard package-level function implementations +// and alternatives like *WithT. +type Gomega interface { + Expect(actual interface{}, extra ...interface{}) Assertion + Eventually(actual interface{}, intervals ...interface{}) AsyncAssertion + Consistently(actual interface{}, intervals ...interface{}) AsyncAssertion +} + +type globalFailHandlerGomega struct{} + +// DefaultGomega supplies the standard package-level implementation +var Default Gomega = globalFailHandlerGomega{} + +// Expect is used to make assertions. See documentation for Expect. +func (globalFailHandlerGomega) Expect(actual interface{}, extra ...interface{}) Assertion { + return Expect(actual, extra...) +} + +// Eventually is used to make asynchronous assertions. See documentation for Eventually. +func (globalFailHandlerGomega) Eventually(actual interface{}, extra ...interface{}) AsyncAssertion { + return Eventually(actual, extra...) +} + +// Consistently is used to make asynchronous assertions. See documentation for Consistently. +func (globalFailHandlerGomega) Consistently(actual interface{}, extra ...interface{}) AsyncAssertion { + return Consistently(actual, extra...) +} diff --git a/constraint/vendor/github.com/onsi/gomega/internal/assertion/assertion.go b/constraint/vendor/github.com/onsi/gomega/internal/assertion/assertion.go index 00197b67a..a248298f4 100644 --- a/constraint/vendor/github.com/onsi/gomega/internal/assertion/assertion.go +++ b/constraint/vendor/github.com/onsi/gomega/internal/assertion/assertion.go @@ -52,16 +52,19 @@ func (assertion *Assertion) buildDescription(optionalDescription ...interface{}) switch len(optionalDescription) { case 0: return "" - default: - return fmt.Sprintf(optionalDescription[0].(string), optionalDescription[1:]...) + "\n" + case 1: + if describe, ok := optionalDescription[0].(func() string); ok { + return describe() + "\n" + } } + return fmt.Sprintf(optionalDescription[0].(string), optionalDescription[1:]...) + "\n" } func (assertion *Assertion) match(matcher types.GomegaMatcher, desiredMatch bool, optionalDescription ...interface{}) bool { matches, err := matcher.Match(assertion.actualInput) - description := assertion.buildDescription(optionalDescription...) assertion.failWrapper.TWithHelper.Helper() if err != nil { + description := assertion.buildDescription(optionalDescription...) assertion.failWrapper.Fail(description+err.Error(), 2+assertion.offset) return false } @@ -72,6 +75,7 @@ func (assertion *Assertion) match(matcher types.GomegaMatcher, desiredMatch bool } else { message = matcher.NegatedFailureMessage(assertion.actualInput) } + description := assertion.buildDescription(optionalDescription...) assertion.failWrapper.Fail(description+message, 2+assertion.offset) return false } diff --git a/constraint/vendor/github.com/onsi/gomega/internal/asyncassertion/async_assertion.go b/constraint/vendor/github.com/onsi/gomega/internal/asyncassertion/async_assertion.go index a233e48c0..5204836bf 100644 --- a/constraint/vendor/github.com/onsi/gomega/internal/asyncassertion/async_assertion.go +++ b/constraint/vendor/github.com/onsi/gomega/internal/asyncassertion/async_assertion.go @@ -60,9 +60,12 @@ func (assertion *AsyncAssertion) buildDescription(optionalDescription ...interfa switch len(optionalDescription) { case 0: return "" - default: - return fmt.Sprintf(optionalDescription[0].(string), optionalDescription[1:]...) + "\n" + case 1: + if describe, ok := optionalDescription[0].(func() string); ok { + return describe() + "\n" + } } + return fmt.Sprintf(optionalDescription[0].(string), optionalDescription[1:]...) + "\n" } func (assertion *AsyncAssertion) actualInputIsAFunction() bool { @@ -103,8 +106,6 @@ func (assertion *AsyncAssertion) match(matcher types.GomegaMatcher, desiredMatch timer := time.Now() timeout := time.After(assertion.timeoutInterval) - description := assertion.buildDescription(optionalDescription...) - var matches bool var err error mayChange := true @@ -129,6 +130,7 @@ func (assertion *AsyncAssertion) match(matcher types.GomegaMatcher, desiredMatch } } assertion.failWrapper.TWithHelper.Helper() + description := assertion.buildDescription(optionalDescription...) assertion.failWrapper.Fail(fmt.Sprintf("%s after %.3fs.\n%s%s%s", preamble, time.Since(timer).Seconds(), description, message, errMsg), 3+assertion.offset) } diff --git a/constraint/vendor/github.com/onsi/gomega/matchers.go b/constraint/vendor/github.com/onsi/gomega/matchers.go index 9ec8893cb..16218d4c5 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers.go @@ -306,6 +306,20 @@ func ConsistOf(elements ...interface{}) types.GomegaMatcher { } } +//ContainElements succeeds if actual contains the passed in elements. The ordering of the elements does not matter. +//By default ContainElements() uses Equal() to match the elements, however custom matchers can be passed in instead. Here are some examples: +// +// Expect([]string{"Foo", "FooBar"}).Should(ContainElements("FooBar")) +// Expect([]string{"Foo", "FooBar"}).Should(ContainElements(ContainSubstring("Bar"), "Foo")) +// +//Actual must be an array, slice or map. +//For maps, ContainElements searches through the map's values. +func ContainElements(elements ...interface{}) types.GomegaMatcher { + return &matchers.ContainElementsMatcher{ + Elements: elements, + } +} + //HaveKey succeeds if actual is a map with the passed in key. //By default HaveKey uses Equal() to perform the match, however a //matcher can be passed in instead: @@ -376,6 +390,16 @@ func Panic() types.GomegaMatcher { return &matchers.PanicMatcher{} } +//PanicWith succeeds if actual is a function that, when invoked, panics with a specific value. +//Actual must be a function that takes no arguments and returns no results. +// +//By default PanicWith uses Equal() to perform the match, however a +//matcher can be passed in instead: +// Expect(fn).Should(PanicWith(MatchRegexp(`.+Foo$`))) +func PanicWith(expected interface{}) types.GomegaMatcher { + return &matchers.PanicMatcher{Expected: expected} +} + //BeAnExistingFile succeeds if a file exists. //Actual must be a string representing the abs path to the file being checked. func BeAnExistingFile() types.GomegaMatcher { @@ -394,6 +418,15 @@ func BeADirectory() types.GomegaMatcher { return &matchers.BeADirectoryMatcher{} } +//HaveHTTPStatus succeeds if the Status or StatusCode field of an HTTP response matches. +//Actual must be either a *http.Response or *httptest.ResponseRecorder. +//Expected must be either an int or a string. +// Expect(resp).Should(HaveHTTPStatus(http.StatusOK)) // asserts that resp.StatusCode == 200 +// Expect(resp).Should(HaveHTTPStatus("404 Not Found")) // asserts that resp.Status == "404 Not Found" +func HaveHTTPStatus(expected interface{}) types.GomegaMatcher { + return &matchers.HaveHTTPStatusMatcher{Expected: expected} +} + //And succeeds only if all of the given matchers succeed. //The matchers are tried in order, and will fail-fast if one doesn't succeed. // Expect("hi").To(And(HaveLen(2), Equal("hi")) diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/consist_of.go b/constraint/vendor/github.com/onsi/gomega/matchers/consist_of.go index cbbf61802..e453b22d1 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/consist_of.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/consist_of.go @@ -11,7 +11,9 @@ import ( ) type ConsistOfMatcher struct { - Elements []interface{} + Elements []interface{} + missingElements []interface{} + extraElements []interface{} } func (matcher *ConsistOfMatcher) Match(actual interface{}) (success bool, err error) { @@ -19,44 +21,63 @@ func (matcher *ConsistOfMatcher) Match(actual interface{}) (success bool, err er return false, fmt.Errorf("ConsistOf matcher expects an array/slice/map. Got:\n%s", format.Object(actual, 1)) } - elements := matcher.Elements - if len(matcher.Elements) == 1 && isArrayOrSlice(matcher.Elements[0]) { - elements = []interface{}{} - value := reflect.ValueOf(matcher.Elements[0]) - for i := 0; i < value.Len(); i++ { - elements = append(elements, value.Index(i).Interface()) - } + matchers := matchers(matcher.Elements) + values := valuesOf(actual) + + bipartiteGraph, err := bipartitegraph.NewBipartiteGraph(values, matchers, neighbours) + if err != nil { + return false, err } - matchers := []interface{}{} - for _, element := range elements { - matcher, isMatcher := element.(omegaMatcher) - if !isMatcher { - matcher = &EqualMatcher{Expected: element} - } - matchers = append(matchers, matcher) + edges := bipartiteGraph.LargestMatching() + if len(edges) == len(values) && len(edges) == len(matchers) { + return true, nil } - values := matcher.valuesOf(actual) + var missingMatchers []interface{} + matcher.extraElements, missingMatchers = bipartiteGraph.FreeLeftRight(edges) + matcher.missingElements = equalMatchersToElements(missingMatchers) - if len(values) != len(matchers) { - return false, nil - } + return false, nil +} - neighbours := func(v, m interface{}) (bool, error) { - match, err := m.(omegaMatcher).Match(v) - return match && err == nil, nil +func neighbours(value, matcher interface{}) (bool, error) { + match, err := matcher.(omegaMatcher).Match(value) + return match && err == nil, nil +} + +func equalMatchersToElements(matchers []interface{}) (elements []interface{}) { + for _, matcher := range matchers { + equalMatcher, ok := matcher.(*EqualMatcher) + if ok { + matcher = equalMatcher.Expected + } + elements = append(elements, matcher) } + return +} - bipartiteGraph, err := bipartitegraph.NewBipartiteGraph(values, matchers, neighbours) - if err != nil { - return false, err +func matchers(expectedElems []interface{}) (matchers []interface{}) { + elems := expectedElems + if len(expectedElems) == 1 && isArrayOrSlice(expectedElems[0]) { + elems = []interface{}{} + value := reflect.ValueOf(expectedElems[0]) + for i := 0; i < value.Len(); i++ { + elems = append(elems, value.Index(i).Interface()) + } } - return len(bipartiteGraph.LargestMatching()) == len(values), nil + for _, e := range elems { + matcher, isMatcher := e.(omegaMatcher) + if !isMatcher { + matcher = &EqualMatcher{Expected: e} + } + matchers = append(matchers, matcher) + } + return } -func (matcher *ConsistOfMatcher) valuesOf(actual interface{}) []interface{} { +func valuesOf(actual interface{}) []interface{} { value := reflect.ValueOf(actual) values := []interface{}{} if isMap(actual) { @@ -74,7 +95,21 @@ func (matcher *ConsistOfMatcher) valuesOf(actual interface{}) []interface{} { } func (matcher *ConsistOfMatcher) FailureMessage(actual interface{}) (message string) { - return format.Message(actual, "to consist of", matcher.Elements) + message = format.Message(actual, "to consist of", matcher.Elements) + message = appendMissingElements(message, matcher.missingElements) + if len(matcher.extraElements) > 0 { + message = fmt.Sprintf("%s\nthe extra elements were\n%s", message, + format.Object(matcher.extraElements, 1)) + } + return +} + +func appendMissingElements(message string, missingElements []interface{}) string { + if len(missingElements) == 0 { + return message + } + return fmt.Sprintf("%s\nthe missing elements were\n%s", message, + format.Object(missingElements, 1)) } func (matcher *ConsistOfMatcher) NegatedFailureMessage(actual interface{}) (message string) { diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/contain_elements_matcher.go b/constraint/vendor/github.com/onsi/gomega/matchers/contain_elements_matcher.go new file mode 100644 index 000000000..19a9e78f8 --- /dev/null +++ b/constraint/vendor/github.com/onsi/gomega/matchers/contain_elements_matcher.go @@ -0,0 +1,44 @@ +package matchers + +import ( + "fmt" + + "github.com/onsi/gomega/format" + "github.com/onsi/gomega/matchers/support/goraph/bipartitegraph" +) + +type ContainElementsMatcher struct { + Elements []interface{} + missingElements []interface{} +} + +func (matcher *ContainElementsMatcher) Match(actual interface{}) (success bool, err error) { + if !isArrayOrSlice(actual) && !isMap(actual) { + return false, fmt.Errorf("ContainElements matcher expects an array/slice/map. Got:\n%s", format.Object(actual, 1)) + } + + matchers := matchers(matcher.Elements) + bipartiteGraph, err := bipartitegraph.NewBipartiteGraph(valuesOf(actual), matchers, neighbours) + if err != nil { + return false, err + } + + edges := bipartiteGraph.LargestMatching() + if len(edges) == len(matchers) { + return true, nil + } + + _, missingMatchers := bipartiteGraph.FreeLeftRight(edges) + matcher.missingElements = equalMatchersToElements(missingMatchers) + + return false, nil +} + +func (matcher *ContainElementsMatcher) FailureMessage(actual interface{}) (message string) { + message = format.Message(actual, "to contain elements", matcher.Elements) + return appendMissingElements(message, matcher.missingElements) +} + +func (matcher *ContainElementsMatcher) NegatedFailureMessage(actual interface{}) (message string) { + return format.Message(actual, "not to contain elements", matcher.Elements) +} diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/have_http_status_matcher.go b/constraint/vendor/github.com/onsi/gomega/matchers/have_http_status_matcher.go new file mode 100644 index 000000000..3ce4800b7 --- /dev/null +++ b/constraint/vendor/github.com/onsi/gomega/matchers/have_http_status_matcher.go @@ -0,0 +1,42 @@ +package matchers + +import ( + "fmt" + "net/http" + "net/http/httptest" + + "github.com/onsi/gomega/format" +) + +type HaveHTTPStatusMatcher struct { + Expected interface{} +} + +func (matcher *HaveHTTPStatusMatcher) Match(actual interface{}) (success bool, err error) { + var resp *http.Response + switch a := actual.(type) { + case *http.Response: + resp = a + case *httptest.ResponseRecorder: + resp = a.Result() + default: + return false, fmt.Errorf("HaveHTTPStatus matcher expects *http.Response or *httptest.ResponseRecorder. Got:\n%s", format.Object(actual, 1)) + } + + switch e := matcher.Expected.(type) { + case int: + return resp.StatusCode == e, nil + case string: + return resp.Status == e, nil + } + + return false, fmt.Errorf("HaveHTTPStatus matcher must be passed an int or a string. Got:\n%s", format.Object(matcher.Expected, 1)) +} + +func (matcher *HaveHTTPStatusMatcher) FailureMessage(actual interface{}) (message string) { + return format.Message(actual, "to have HTTP status", matcher.Expected) +} + +func (matcher *HaveHTTPStatusMatcher) NegatedFailureMessage(actual interface{}) (message string) { + return format.Message(actual, "not to have HTTP status", matcher.Expected) +} diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/match_error_matcher.go b/constraint/vendor/github.com/onsi/gomega/matchers/match_error_matcher.go index 07499ac95..4e09239ff 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/match_error_matcher.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/match_error_matcher.go @@ -5,6 +5,7 @@ import ( "reflect" "github.com/onsi/gomega/format" + "golang.org/x/xerrors" ) type MatchErrorMatcher struct { @@ -21,25 +22,28 @@ func (matcher *MatchErrorMatcher) Match(actual interface{}) (success bool, err e } actualErr := actual.(error) + expected := matcher.Expected - if isError(matcher.Expected) { - return reflect.DeepEqual(actualErr, matcher.Expected), nil + if isError(expected) { + return reflect.DeepEqual(actualErr, expected) || xerrors.Is(actualErr, expected.(error)), nil } - if isString(matcher.Expected) { - return actualErr.Error() == matcher.Expected, nil + if isString(expected) { + return actualErr.Error() == expected, nil } var subMatcher omegaMatcher var hasSubMatcher bool - if matcher.Expected != nil { - subMatcher, hasSubMatcher = (matcher.Expected).(omegaMatcher) + if expected != nil { + subMatcher, hasSubMatcher = (expected).(omegaMatcher) if hasSubMatcher { return subMatcher.Match(actualErr.Error()) } } - return false, fmt.Errorf("MatchError must be passed an error, string, or Matcher that can match on strings. Got:\n%s", format.Object(matcher.Expected, 1)) + return false, fmt.Errorf( + "MatchError must be passed an error, a string, or a Matcher that can match on strings. Got:\n%s", + format.Object(expected, 1)) } func (matcher *MatchErrorMatcher) FailureMessage(actual interface{}) (message string) { diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/panic_matcher.go b/constraint/vendor/github.com/onsi/gomega/matchers/panic_matcher.go index 640f4db1a..adc8cee63 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/panic_matcher.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/panic_matcher.go @@ -8,7 +8,8 @@ import ( ) type PanicMatcher struct { - object interface{} + Expected interface{} + object interface{} } func (matcher *PanicMatcher) Match(actual interface{}) (success bool, err error) { @@ -28,7 +29,21 @@ func (matcher *PanicMatcher) Match(actual interface{}) (success bool, err error) defer func() { if e := recover(); e != nil { matcher.object = e - success = true + + if matcher.Expected == nil { + success = true + return + } + + valueMatcher, valueIsMatcher := matcher.Expected.(omegaMatcher) + if !valueIsMatcher { + valueMatcher = &EqualMatcher{Expected: matcher.Expected} + } + + success, err = valueMatcher.Match(e) + if err != nil { + err = fmt.Errorf("PanicMatcher's value matcher failed with:\n%s%s", format.Indent, err.Error()) + } } }() @@ -38,9 +53,62 @@ func (matcher *PanicMatcher) Match(actual interface{}) (success bool, err error) } func (matcher *PanicMatcher) FailureMessage(actual interface{}) (message string) { - return format.Message(actual, "to panic") + if matcher.Expected == nil { + // We wanted any panic to occur, but none did. + return format.Message(actual, "to panic") + } + + if matcher.object == nil { + // We wanted a panic with a specific value to occur, but none did. + switch matcher.Expected.(type) { + case omegaMatcher: + return format.Message(actual, "to panic with a value matching", matcher.Expected) + default: + return format.Message(actual, "to panic with", matcher.Expected) + } + } + + // We got a panic, but the value isn't what we expected. + switch matcher.Expected.(type) { + case omegaMatcher: + return format.Message( + actual, + fmt.Sprintf( + "to panic with a value matching\n%s\nbut panicked with\n%s", + format.Object(matcher.Expected, 1), + format.Object(matcher.object, 1), + ), + ) + default: + return format.Message( + actual, + fmt.Sprintf( + "to panic with\n%s\nbut panicked with\n%s", + format.Object(matcher.Expected, 1), + format.Object(matcher.object, 1), + ), + ) + } } func (matcher *PanicMatcher) NegatedFailureMessage(actual interface{}) (message string) { - return format.Message(actual, fmt.Sprintf("not to panic, but panicked with\n%s", format.Object(matcher.object, 1))) + if matcher.Expected == nil { + // We didn't want any panic to occur, but one did. + return format.Message(actual, fmt.Sprintf("not to panic, but panicked with\n%s", format.Object(matcher.object, 1))) + } + + // We wanted a to ensure a panic with a specific value did not occur, but it did. + switch matcher.Expected.(type) { + case omegaMatcher: + return format.Message( + actual, + fmt.Sprintf( + "not to panic with a value matching\n%s\nbut panicked with\n%s", + format.Object(matcher.Expected, 1), + format.Object(matcher.object, 1), + ), + ) + default: + return format.Message(actual, "not to panic with", matcher.Expected) + } } diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraph.go b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraph.go index 108f28586..830e30827 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraph.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraph.go @@ -13,13 +13,13 @@ type BipartiteGraph struct { func NewBipartiteGraph(leftValues, rightValues []interface{}, neighbours func(interface{}, interface{}) (bool, error)) (*BipartiteGraph, error) { left := NodeOrderedSet{} - for i := range leftValues { - left = append(left, Node{Id: i}) + for i, v := range leftValues { + left = append(left, Node{ID: i, Value: v}) } right := NodeOrderedSet{} - for j := range rightValues { - right = append(right, Node{Id: j + len(left)}) + for j, v := range rightValues { + right = append(right, Node{ID: j + len(left), Value: v}) } edges := EdgeSet{} @@ -31,10 +31,26 @@ func NewBipartiteGraph(leftValues, rightValues []interface{}, neighbours func(in } if neighbours { - edges = append(edges, Edge{Node1: left[i], Node2: right[j]}) + edges = append(edges, Edge{Node1: left[i].ID, Node2: right[j].ID}) } } } return &BipartiteGraph{left, right, edges}, nil } + +// FreeLeftRight returns left node values and right node values +// of the BipartiteGraph's nodes which are not part of the given edges. +func (bg *BipartiteGraph) FreeLeftRight(edges EdgeSet) (leftValues, rightValues []interface{}) { + for _, node := range bg.Left { + if edges.Free(node) { + leftValues = append(leftValues, node.Value) + } + } + for _, node := range bg.Right { + if edges.Free(node) { + rightValues = append(rightValues, node.Value) + } + } + return +} diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraphmatching.go b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraphmatching.go index 8181f43a4..1c54edd8f 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraphmatching.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/bipartitegraph/bipartitegraphmatching.go @@ -1,9 +1,14 @@ package bipartitegraph -import . "github.com/onsi/gomega/matchers/support/goraph/node" -import . "github.com/onsi/gomega/matchers/support/goraph/edge" -import "github.com/onsi/gomega/matchers/support/goraph/util" - +import ( + . "github.com/onsi/gomega/matchers/support/goraph/edge" + . "github.com/onsi/gomega/matchers/support/goraph/node" + "github.com/onsi/gomega/matchers/support/goraph/util" +) + +// LargestMatching implements the Hopcroft–Karp algorithm taking as input a bipartite graph +// and outputting a maximum cardinality matching, i.e. a set of as many edges as possible +// with the property that no two edges share an endpoint. func (bg *BipartiteGraph) LargestMatching() (matching EdgeSet) { paths := bg.maximalDisjointSLAPCollection(matching) @@ -23,7 +28,7 @@ func (bg *BipartiteGraph) maximalDisjointSLAPCollection(matching EdgeSet) (resul return } - used := make(map[Node]bool) + used := make(map[int]bool) for _, u := range guideLayers[len(guideLayers)-1] { slap, found := bg.findDisjointSLAP(u, matching, guideLayers, used) @@ -43,7 +48,7 @@ func (bg *BipartiteGraph) findDisjointSLAP( start Node, matching EdgeSet, guideLayers []NodeOrderedSet, - used map[Node]bool, + used map[int]bool, ) ([]Edge, bool) { return bg.findDisjointSLAPHelper(start, EdgeSet{}, len(guideLayers)-1, matching, guideLayers, used) } @@ -54,16 +59,16 @@ func (bg *BipartiteGraph) findDisjointSLAPHelper( currentLevel int, matching EdgeSet, guideLayers []NodeOrderedSet, - used map[Node]bool, + used map[int]bool, ) (EdgeSet, bool) { - used[currentNode] = true + used[currentNode.ID] = true if currentLevel == 0 { return currentSLAP, true } for _, nextNode := range guideLayers[currentLevel-1] { - if used[nextNode] { + if used[nextNode.ID] { continue } @@ -84,17 +89,17 @@ func (bg *BipartiteGraph) findDisjointSLAPHelper( currentSLAP = currentSLAP[:len(currentSLAP)-1] } - used[currentNode] = false + used[currentNode.ID] = false return nil, false } func (bg *BipartiteGraph) createSLAPGuideLayers(matching EdgeSet) (guideLayers []NodeOrderedSet) { - used := make(map[Node]bool) + used := make(map[int]bool) currentLayer := NodeOrderedSet{} for _, node := range bg.Left { if matching.Free(node) { - used[node] = true + used[node.ID] = true currentLayer = append(currentLayer, node) } } @@ -113,7 +118,7 @@ func (bg *BipartiteGraph) createSLAPGuideLayers(matching EdgeSet) (guideLayers [ if util.Odd(len(guideLayers)) { for _, leftNode := range lastLayer { for _, rightNode := range bg.Right { - if used[rightNode] { + if used[rightNode.ID] { continue } @@ -123,7 +128,7 @@ func (bg *BipartiteGraph) createSLAPGuideLayers(matching EdgeSet) (guideLayers [ } currentLayer = append(currentLayer, rightNode) - used[rightNode] = true + used[rightNode.ID] = true if matching.Free(rightNode) { done = true @@ -133,7 +138,7 @@ func (bg *BipartiteGraph) createSLAPGuideLayers(matching EdgeSet) (guideLayers [ } else { for _, rightNode := range lastLayer { for _, leftNode := range bg.Left { - if used[leftNode] { + if used[leftNode.ID] { continue } @@ -143,7 +148,7 @@ func (bg *BipartiteGraph) createSLAPGuideLayers(matching EdgeSet) (guideLayers [ } currentLayer = append(currentLayer, leftNode) - used[leftNode] = true + used[leftNode.ID] = true } } diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/edge/edge.go b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/edge/edge.go index 4fd15cc06..8c38411b2 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/edge/edge.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/edge/edge.go @@ -3,15 +3,15 @@ package edge import . "github.com/onsi/gomega/matchers/support/goraph/node" type Edge struct { - Node1 Node - Node2 Node + Node1 int + Node2 int } type EdgeSet []Edge func (ec EdgeSet) Free(node Node) bool { for _, e := range ec { - if e.Node1 == node || e.Node2 == node { + if e.Node1 == node.ID || e.Node2 == node.ID { return false } } @@ -31,7 +31,7 @@ func (ec EdgeSet) Contains(edge Edge) bool { func (ec EdgeSet) FindByNodes(node1, node2 Node) (Edge, bool) { for _, e := range ec { - if (e.Node1 == node1 && e.Node2 == node2) || (e.Node1 == node2 && e.Node2 == node1) { + if (e.Node1 == node1.ID && e.Node2 == node2.ID) || (e.Node1 == node2.ID && e.Node2 == node1.ID) { return e, true } } diff --git a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/node/node.go b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/node/node.go index 800c2ea8c..cd597a2f2 100644 --- a/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/node/node.go +++ b/constraint/vendor/github.com/onsi/gomega/matchers/support/goraph/node/node.go @@ -1,7 +1,8 @@ package node type Node struct { - Id int + ID int + Value interface{} } type NodeOrderedSet []Node diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/LICENSE b/constraint/vendor/github.com/prometheus/client_golang/LICENSE similarity index 100% rename from constraint/vendor/go.mongodb.org/mongo-driver/LICENSE rename to constraint/vendor/github.com/prometheus/client_golang/LICENSE diff --git a/constraint/vendor/github.com/prometheus/client_golang/NOTICE b/constraint/vendor/github.com/prometheus/client_golang/NOTICE new file mode 100644 index 000000000..dd878a30e --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/NOTICE @@ -0,0 +1,23 @@ +Prometheus instrumentation library for Go applications +Copyright 2012-2015 The Prometheus Authors + +This product includes software developed at +SoundCloud Ltd. (http://soundcloud.com/). + + +The following components are included in this product: + +perks - a fork of https://github.com/bmizerany/perks +https://github.com/beorn7/perks +Copyright 2013-2015 Blake Mizerany, Björn Rabenstein +See https://github.com/beorn7/perks/blob/master/README.md for license details. + +Go support for Protocol Buffers - Google's data interchange format +http://github.com/golang/protobuf/ +Copyright 2010 The Go Authors +See source code for license details. + +Support for streaming Protocol Buffer messages for the Go language (golang). +https://github.com/matttproud/golang_protobuf_extensions +Copyright 2013 Matt T. Proud +Licensed under the Apache License, Version 2.0 diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/.gitignore b/constraint/vendor/github.com/prometheus/client_golang/prometheus/.gitignore new file mode 100644 index 000000000..3460f0346 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/.gitignore @@ -0,0 +1 @@ +command-line-arguments.test diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/README.md b/constraint/vendor/github.com/prometheus/client_golang/prometheus/README.md new file mode 100644 index 000000000..44986bff0 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/README.md @@ -0,0 +1 @@ +See [![go-doc](https://godoc.org/github.com/prometheus/client_golang/prometheus?status.svg)](https://godoc.org/github.com/prometheus/client_golang/prometheus). diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/build_info.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/build_info.go new file mode 100644 index 000000000..288f0e854 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/build_info.go @@ -0,0 +1,29 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build go1.12 + +package prometheus + +import "runtime/debug" + +// readBuildInfo is a wrapper around debug.ReadBuildInfo for Go 1.12+. +func readBuildInfo() (path, version, sum string) { + path, version, sum = "unknown", "unknown", "unknown" + if bi, ok := debug.ReadBuildInfo(); ok { + path = bi.Main.Path + version = bi.Main.Version + sum = bi.Main.Sum + } + return +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/build_info_pre_1.12.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/build_info_pre_1.12.go new file mode 100644 index 000000000..6609e2877 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/build_info_pre_1.12.go @@ -0,0 +1,22 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !go1.12 + +package prometheus + +// readBuildInfo is a wrapper around debug.ReadBuildInfo for Go versions before +// 1.12. Remove this whole file once the minimum supported Go version is 1.12. +func readBuildInfo() (path, version, sum string) { + return "unknown", "unknown", "unknown" +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/collector.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/collector.go new file mode 100644 index 000000000..1e839650d --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/collector.go @@ -0,0 +1,120 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +// Collector is the interface implemented by anything that can be used by +// Prometheus to collect metrics. A Collector has to be registered for +// collection. See Registerer.Register. +// +// The stock metrics provided by this package (Gauge, Counter, Summary, +// Histogram, Untyped) are also Collectors (which only ever collect one metric, +// namely itself). An implementer of Collector may, however, collect multiple +// metrics in a coordinated fashion and/or create metrics on the fly. Examples +// for collectors already implemented in this library are the metric vectors +// (i.e. collection of multiple instances of the same Metric but with different +// label values) like GaugeVec or SummaryVec, and the ExpvarCollector. +type Collector interface { + // Describe sends the super-set of all possible descriptors of metrics + // collected by this Collector to the provided channel and returns once + // the last descriptor has been sent. The sent descriptors fulfill the + // consistency and uniqueness requirements described in the Desc + // documentation. + // + // It is valid if one and the same Collector sends duplicate + // descriptors. Those duplicates are simply ignored. However, two + // different Collectors must not send duplicate descriptors. + // + // Sending no descriptor at all marks the Collector as “unchecked”, + // i.e. no checks will be performed at registration time, and the + // Collector may yield any Metric it sees fit in its Collect method. + // + // This method idempotently sends the same descriptors throughout the + // lifetime of the Collector. It may be called concurrently and + // therefore must be implemented in a concurrency safe way. + // + // If a Collector encounters an error while executing this method, it + // must send an invalid descriptor (created with NewInvalidDesc) to + // signal the error to the registry. + Describe(chan<- *Desc) + // Collect is called by the Prometheus registry when collecting + // metrics. The implementation sends each collected metric via the + // provided channel and returns once the last metric has been sent. The + // descriptor of each sent metric is one of those returned by Describe + // (unless the Collector is unchecked, see above). Returned metrics that + // share the same descriptor must differ in their variable label + // values. + // + // This method may be called concurrently and must therefore be + // implemented in a concurrency safe way. Blocking occurs at the expense + // of total performance of rendering all registered metrics. Ideally, + // Collector implementations support concurrent readers. + Collect(chan<- Metric) +} + +// DescribeByCollect is a helper to implement the Describe method of a custom +// Collector. It collects the metrics from the provided Collector and sends +// their descriptors to the provided channel. +// +// If a Collector collects the same metrics throughout its lifetime, its +// Describe method can simply be implemented as: +// +// func (c customCollector) Describe(ch chan<- *Desc) { +// DescribeByCollect(c, ch) +// } +// +// However, this will not work if the metrics collected change dynamically over +// the lifetime of the Collector in a way that their combined set of descriptors +// changes as well. The shortcut implementation will then violate the contract +// of the Describe method. If a Collector sometimes collects no metrics at all +// (for example vectors like CounterVec, GaugeVec, etc., which only collect +// metrics after a metric with a fully specified label set has been accessed), +// it might even get registered as an unchecked Collector (cf. the Register +// method of the Registerer interface). Hence, only use this shortcut +// implementation of Describe if you are certain to fulfill the contract. +// +// The Collector example demonstrates a use of DescribeByCollect. +func DescribeByCollect(c Collector, descs chan<- *Desc) { + metrics := make(chan Metric) + go func() { + c.Collect(metrics) + close(metrics) + }() + for m := range metrics { + descs <- m.Desc() + } +} + +// selfCollector implements Collector for a single Metric so that the Metric +// collects itself. Add it as an anonymous field to a struct that implements +// Metric, and call init with the Metric itself as an argument. +type selfCollector struct { + self Metric +} + +// init provides the selfCollector with a reference to the metric it is supposed +// to collect. It is usually called within the factory function to create a +// metric. See example. +func (c *selfCollector) init(self Metric) { + c.self = self +} + +// Describe implements Collector. +func (c *selfCollector) Describe(ch chan<- *Desc) { + ch <- c.self.Desc() +} + +// Collect implements Collector. +func (c *selfCollector) Collect(ch chan<- Metric) { + ch <- c.self +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/counter.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/counter.go new file mode 100644 index 000000000..0e1b48c03 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/counter.go @@ -0,0 +1,321 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "errors" + "math" + "sync/atomic" + "time" + + dto "github.com/prometheus/client_model/go" +) + +// Counter is a Metric that represents a single numerical value that only ever +// goes up. That implies that it cannot be used to count items whose number can +// also go down, e.g. the number of currently running goroutines. Those +// "counters" are represented by Gauges. +// +// A Counter is typically used to count requests served, tasks completed, errors +// occurred, etc. +// +// To create Counter instances, use NewCounter. +type Counter interface { + Metric + Collector + + // Inc increments the counter by 1. Use Add to increment it by arbitrary + // non-negative values. + Inc() + // Add adds the given value to the counter. It panics if the value is < + // 0. + Add(float64) +} + +// ExemplarAdder is implemented by Counters that offer the option of adding a +// value to the Counter together with an exemplar. Its AddWithExemplar method +// works like the Add method of the Counter interface but also replaces the +// currently saved exemplar (if any) with a new one, created from the provided +// value, the current time as timestamp, and the provided labels. Empty Labels +// will lead to a valid (label-less) exemplar. But if Labels is nil, the current +// exemplar is left in place. AddWithExemplar panics if the value is < 0, if any +// of the provided labels are invalid, or if the provided labels contain more +// than 64 runes in total. +type ExemplarAdder interface { + AddWithExemplar(value float64, exemplar Labels) +} + +// CounterOpts is an alias for Opts. See there for doc comments. +type CounterOpts Opts + +// NewCounter creates a new Counter based on the provided CounterOpts. +// +// The returned implementation also implements ExemplarAdder. It is safe to +// perform the corresponding type assertion. +// +// The returned implementation tracks the counter value in two separate +// variables, a float64 and a uint64. The latter is used to track calls of the +// Inc method and calls of the Add method with a value that can be represented +// as a uint64. This allows atomic increments of the counter with optimal +// performance. (It is common to have an Inc call in very hot execution paths.) +// Both internal tracking values are added up in the Write method. This has to +// be taken into account when it comes to precision and overflow behavior. +func NewCounter(opts CounterOpts) Counter { + desc := NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ) + result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: time.Now} + result.init(result) // Init self-collection. + return result +} + +type counter struct { + // valBits contains the bits of the represented float64 value, while + // valInt stores values that are exact integers. Both have to go first + // in the struct to guarantee alignment for atomic operations. + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG + valBits uint64 + valInt uint64 + + selfCollector + desc *Desc + + labelPairs []*dto.LabelPair + exemplar atomic.Value // Containing nil or a *dto.Exemplar. + + now func() time.Time // To mock out time.Now() for testing. +} + +func (c *counter) Desc() *Desc { + return c.desc +} + +func (c *counter) Add(v float64) { + if v < 0 { + panic(errors.New("counter cannot decrease in value")) + } + + ival := uint64(v) + if float64(ival) == v { + atomic.AddUint64(&c.valInt, ival) + return + } + + for { + oldBits := atomic.LoadUint64(&c.valBits) + newBits := math.Float64bits(math.Float64frombits(oldBits) + v) + if atomic.CompareAndSwapUint64(&c.valBits, oldBits, newBits) { + return + } + } +} + +func (c *counter) AddWithExemplar(v float64, e Labels) { + c.Add(v) + c.updateExemplar(v, e) +} + +func (c *counter) Inc() { + atomic.AddUint64(&c.valInt, 1) +} + +func (c *counter) Write(out *dto.Metric) error { + fval := math.Float64frombits(atomic.LoadUint64(&c.valBits)) + ival := atomic.LoadUint64(&c.valInt) + val := fval + float64(ival) + + var exemplar *dto.Exemplar + if e := c.exemplar.Load(); e != nil { + exemplar = e.(*dto.Exemplar) + } + + return populateMetric(CounterValue, val, c.labelPairs, exemplar, out) +} + +func (c *counter) updateExemplar(v float64, l Labels) { + if l == nil { + return + } + e, err := newExemplar(v, c.now(), l) + if err != nil { + panic(err) + } + c.exemplar.Store(e) +} + +// CounterVec is a Collector that bundles a set of Counters that all share the +// same Desc, but have different values for their variable labels. This is used +// if you want to count the same thing partitioned by various dimensions +// (e.g. number of HTTP requests, partitioned by response code and +// method). Create instances with NewCounterVec. +type CounterVec struct { + *metricVec +} + +// NewCounterVec creates a new CounterVec based on the provided CounterOpts and +// partitioned by the given label names. +func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec { + desc := NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + labelNames, + opts.ConstLabels, + ) + return &CounterVec{ + metricVec: newMetricVec(desc, func(lvs ...string) Metric { + if len(lvs) != len(desc.variableLabels) { + panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs)) + } + result := &counter{desc: desc, labelPairs: makeLabelPairs(desc, lvs), now: time.Now} + result.init(result) // Init self-collection. + return result + }), + } +} + +// GetMetricWithLabelValues returns the Counter for the given slice of label +// values (same order as the VariableLabels in Desc). If that combination of +// label values is accessed for the first time, a new Counter is created. +// +// It is possible to call this method without using the returned Counter to only +// create the new Counter but leave it at its starting value 0. See also the +// SummaryVec example. +// +// Keeping the Counter for later use is possible (and should be considered if +// performance is critical), but keep in mind that Reset, DeleteLabelValues and +// Delete can be used to delete the Counter from the CounterVec. In that case, +// the Counter will still exist, but it will not be exported anymore, even if a +// Counter with the same label values is created later. +// +// An error is returned if the number of label values is not the same as the +// number of VariableLabels in Desc (minus any curried labels). +// +// Note that for more than one label value, this method is prone to mistakes +// caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as +// an alternative to avoid that type of mistake. For higher label numbers, the +// latter has a much more readable (albeit more verbose) syntax, but it comes +// with a performance overhead (for creating and processing the Labels map). +// See also the GaugeVec example. +func (v *CounterVec) GetMetricWithLabelValues(lvs ...string) (Counter, error) { + metric, err := v.metricVec.getMetricWithLabelValues(lvs...) + if metric != nil { + return metric.(Counter), err + } + return nil, err +} + +// GetMetricWith returns the Counter for the given Labels map (the label names +// must match those of the VariableLabels in Desc). If that label map is +// accessed for the first time, a new Counter is created. Implications of +// creating a Counter without using it and keeping the Counter for later use are +// the same as for GetMetricWithLabelValues. +// +// An error is returned if the number and names of the Labels are inconsistent +// with those of the VariableLabels in Desc (minus any curried labels). +// +// This method is used for the same purpose as +// GetMetricWithLabelValues(...string). See there for pros and cons of the two +// methods. +func (v *CounterVec) GetMetricWith(labels Labels) (Counter, error) { + metric, err := v.metricVec.getMetricWith(labels) + if metric != nil { + return metric.(Counter), err + } + return nil, err +} + +// WithLabelValues works as GetMetricWithLabelValues, but panics where +// GetMetricWithLabelValues would have returned an error. Not returning an +// error allows shortcuts like +// myVec.WithLabelValues("404", "GET").Add(42) +func (v *CounterVec) WithLabelValues(lvs ...string) Counter { + c, err := v.GetMetricWithLabelValues(lvs...) + if err != nil { + panic(err) + } + return c +} + +// With works as GetMetricWith, but panics where GetMetricWithLabels would have +// returned an error. Not returning an error allows shortcuts like +// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42) +func (v *CounterVec) With(labels Labels) Counter { + c, err := v.GetMetricWith(labels) + if err != nil { + panic(err) + } + return c +} + +// CurryWith returns a vector curried with the provided labels, i.e. the +// returned vector has those labels pre-set for all labeled operations performed +// on it. The cardinality of the curried vector is reduced accordingly. The +// order of the remaining labels stays the same (just with the curried labels +// taken out of the sequence – which is relevant for the +// (GetMetric)WithLabelValues methods). It is possible to curry a curried +// vector, but only with labels not yet used for currying before. +// +// The metrics contained in the CounterVec are shared between the curried and +// uncurried vectors. They are just accessed differently. Curried and uncurried +// vectors behave identically in terms of collection. Only one must be +// registered with a given registry (usually the uncurried version). The Reset +// method deletes all metrics, even if called on a curried vector. +func (v *CounterVec) CurryWith(labels Labels) (*CounterVec, error) { + vec, err := v.curryWith(labels) + if vec != nil { + return &CounterVec{vec}, err + } + return nil, err +} + +// MustCurryWith works as CurryWith but panics where CurryWith would have +// returned an error. +func (v *CounterVec) MustCurryWith(labels Labels) *CounterVec { + vec, err := v.CurryWith(labels) + if err != nil { + panic(err) + } + return vec +} + +// CounterFunc is a Counter whose value is determined at collect time by calling a +// provided function. +// +// To create CounterFunc instances, use NewCounterFunc. +type CounterFunc interface { + Metric + Collector +} + +// NewCounterFunc creates a new CounterFunc based on the provided +// CounterOpts. The value reported is determined by calling the given function +// from within the Write method. Take into account that metric collection may +// happen concurrently. If that results in concurrent calls to Write, like in +// the case where a CounterFunc is directly registered with Prometheus, the +// provided function must be concurrency-safe. The function should also honor +// the contract for a Counter (values only go up, not down), but compliance will +// not be checked. +// +// Check out the ExampleGaugeFunc examples for the similar GaugeFunc. +func NewCounterFunc(opts CounterOpts, function func() float64) CounterFunc { + return newValueFunc(NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ), CounterValue, function) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/desc.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/desc.go new file mode 100644 index 000000000..2f19f5e1e --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/desc.go @@ -0,0 +1,186 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "errors" + "fmt" + "sort" + "strings" + + "github.com/cespare/xxhash/v2" + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + "github.com/prometheus/common/model" + + dto "github.com/prometheus/client_model/go" +) + +// Desc is the descriptor used by every Prometheus Metric. It is essentially +// the immutable meta-data of a Metric. The normal Metric implementations +// included in this package manage their Desc under the hood. Users only have to +// deal with Desc if they use advanced features like the ExpvarCollector or +// custom Collectors and Metrics. +// +// Descriptors registered with the same registry have to fulfill certain +// consistency and uniqueness criteria if they share the same fully-qualified +// name: They must have the same help string and the same label names (aka label +// dimensions) in each, constLabels and variableLabels, but they must differ in +// the values of the constLabels. +// +// Descriptors that share the same fully-qualified names and the same label +// values of their constLabels are considered equal. +// +// Use NewDesc to create new Desc instances. +type Desc struct { + // fqName has been built from Namespace, Subsystem, and Name. + fqName string + // help provides some helpful information about this metric. + help string + // constLabelPairs contains precalculated DTO label pairs based on + // the constant labels. + constLabelPairs []*dto.LabelPair + // VariableLabels contains names of labels for which the metric + // maintains variable values. + variableLabels []string + // id is a hash of the values of the ConstLabels and fqName. This + // must be unique among all registered descriptors and can therefore be + // used as an identifier of the descriptor. + id uint64 + // dimHash is a hash of the label names (preset and variable) and the + // Help string. Each Desc with the same fqName must have the same + // dimHash. + dimHash uint64 + // err is an error that occurred during construction. It is reported on + // registration time. + err error +} + +// NewDesc allocates and initializes a new Desc. Errors are recorded in the Desc +// and will be reported on registration time. variableLabels and constLabels can +// be nil if no such labels should be set. fqName must not be empty. +// +// variableLabels only contain the label names. Their label values are variable +// and therefore not part of the Desc. (They are managed within the Metric.) +// +// For constLabels, the label values are constant. Therefore, they are fully +// specified in the Desc. See the Collector example for a usage pattern. +func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *Desc { + d := &Desc{ + fqName: fqName, + help: help, + variableLabels: variableLabels, + } + if !model.IsValidMetricName(model.LabelValue(fqName)) { + d.err = fmt.Errorf("%q is not a valid metric name", fqName) + return d + } + // labelValues contains the label values of const labels (in order of + // their sorted label names) plus the fqName (at position 0). + labelValues := make([]string, 1, len(constLabels)+1) + labelValues[0] = fqName + labelNames := make([]string, 0, len(constLabels)+len(variableLabels)) + labelNameSet := map[string]struct{}{} + // First add only the const label names and sort them... + for labelName := range constLabels { + if !checkLabelName(labelName) { + d.err = fmt.Errorf("%q is not a valid label name for metric %q", labelName, fqName) + return d + } + labelNames = append(labelNames, labelName) + labelNameSet[labelName] = struct{}{} + } + sort.Strings(labelNames) + // ... so that we can now add const label values in the order of their names. + for _, labelName := range labelNames { + labelValues = append(labelValues, constLabels[labelName]) + } + // Validate the const label values. They can't have a wrong cardinality, so + // use in len(labelValues) as expectedNumberOfValues. + if err := validateLabelValues(labelValues, len(labelValues)); err != nil { + d.err = err + return d + } + // Now add the variable label names, but prefix them with something that + // cannot be in a regular label name. That prevents matching the label + // dimension with a different mix between preset and variable labels. + for _, labelName := range variableLabels { + if !checkLabelName(labelName) { + d.err = fmt.Errorf("%q is not a valid label name for metric %q", labelName, fqName) + return d + } + labelNames = append(labelNames, "$"+labelName) + labelNameSet[labelName] = struct{}{} + } + if len(labelNames) != len(labelNameSet) { + d.err = errors.New("duplicate label names") + return d + } + + xxh := xxhash.New() + for _, val := range labelValues { + xxh.WriteString(val) + xxh.Write(separatorByteSlice) + } + d.id = xxh.Sum64() + // Sort labelNames so that order doesn't matter for the hash. + sort.Strings(labelNames) + // Now hash together (in this order) the help string and the sorted + // label names. + xxh.Reset() + xxh.WriteString(help) + xxh.Write(separatorByteSlice) + for _, labelName := range labelNames { + xxh.WriteString(labelName) + xxh.Write(separatorByteSlice) + } + d.dimHash = xxh.Sum64() + + d.constLabelPairs = make([]*dto.LabelPair, 0, len(constLabels)) + for n, v := range constLabels { + d.constLabelPairs = append(d.constLabelPairs, &dto.LabelPair{ + Name: proto.String(n), + Value: proto.String(v), + }) + } + sort.Sort(labelPairSorter(d.constLabelPairs)) + return d +} + +// NewInvalidDesc returns an invalid descriptor, i.e. a descriptor with the +// provided error set. If a collector returning such a descriptor is registered, +// registration will fail with the provided error. NewInvalidDesc can be used by +// a Collector to signal inability to describe itself. +func NewInvalidDesc(err error) *Desc { + return &Desc{ + err: err, + } +} + +func (d *Desc) String() string { + lpStrings := make([]string, 0, len(d.constLabelPairs)) + for _, lp := range d.constLabelPairs { + lpStrings = append( + lpStrings, + fmt.Sprintf("%s=%q", lp.GetName(), lp.GetValue()), + ) + } + return fmt.Sprintf( + "Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: %v}", + d.fqName, + d.help, + strings.Join(lpStrings, ","), + d.variableLabels, + ) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/doc.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/doc.go new file mode 100644 index 000000000..98450125d --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/doc.go @@ -0,0 +1,199 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package prometheus is the core instrumentation package. It provides metrics +// primitives to instrument code for monitoring. It also offers a registry for +// metrics. Sub-packages allow to expose the registered metrics via HTTP +// (package promhttp) or push them to a Pushgateway (package push). There is +// also a sub-package promauto, which provides metrics constructors with +// automatic registration. +// +// All exported functions and methods are safe to be used concurrently unless +// specified otherwise. +// +// A Basic Example +// +// As a starting point, a very basic usage example: +// +// package main +// +// import ( +// "log" +// "net/http" +// +// "github.com/prometheus/client_golang/prometheus" +// "github.com/prometheus/client_golang/prometheus/promhttp" +// ) +// +// var ( +// cpuTemp = prometheus.NewGauge(prometheus.GaugeOpts{ +// Name: "cpu_temperature_celsius", +// Help: "Current temperature of the CPU.", +// }) +// hdFailures = prometheus.NewCounterVec( +// prometheus.CounterOpts{ +// Name: "hd_errors_total", +// Help: "Number of hard-disk errors.", +// }, +// []string{"device"}, +// ) +// ) +// +// func init() { +// // Metrics have to be registered to be exposed: +// prometheus.MustRegister(cpuTemp) +// prometheus.MustRegister(hdFailures) +// } +// +// func main() { +// cpuTemp.Set(65.3) +// hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc() +// +// // The Handler function provides a default handler to expose metrics +// // via an HTTP server. "/metrics" is the usual endpoint for that. +// http.Handle("/metrics", promhttp.Handler()) +// log.Fatal(http.ListenAndServe(":8080", nil)) +// } +// +// +// This is a complete program that exports two metrics, a Gauge and a Counter, +// the latter with a label attached to turn it into a (one-dimensional) vector. +// +// Metrics +// +// The number of exported identifiers in this package might appear a bit +// overwhelming. However, in addition to the basic plumbing shown in the example +// above, you only need to understand the different metric types and their +// vector versions for basic usage. Furthermore, if you are not concerned with +// fine-grained control of when and how to register metrics with the registry, +// have a look at the promauto package, which will effectively allow you to +// ignore registration altogether in simple cases. +// +// Above, you have already touched the Counter and the Gauge. There are two more +// advanced metric types: the Summary and Histogram. A more thorough description +// of those four metric types can be found in the Prometheus docs: +// https://prometheus.io/docs/concepts/metric_types/ +// +// In addition to the fundamental metric types Gauge, Counter, Summary, and +// Histogram, a very important part of the Prometheus data model is the +// partitioning of samples along dimensions called labels, which results in +// metric vectors. The fundamental types are GaugeVec, CounterVec, SummaryVec, +// and HistogramVec. +// +// While only the fundamental metric types implement the Metric interface, both +// the metrics and their vector versions implement the Collector interface. A +// Collector manages the collection of a number of Metrics, but for convenience, +// a Metric can also “collect itself”. Note that Gauge, Counter, Summary, and +// Histogram are interfaces themselves while GaugeVec, CounterVec, SummaryVec, +// and HistogramVec are not. +// +// To create instances of Metrics and their vector versions, you need a suitable +// …Opts struct, i.e. GaugeOpts, CounterOpts, SummaryOpts, or HistogramOpts. +// +// Custom Collectors and constant Metrics +// +// While you could create your own implementations of Metric, most likely you +// will only ever implement the Collector interface on your own. At a first +// glance, a custom Collector seems handy to bundle Metrics for common +// registration (with the prime example of the different metric vectors above, +// which bundle all the metrics of the same name but with different labels). +// +// There is a more involved use case, too: If you already have metrics +// available, created outside of the Prometheus context, you don't need the +// interface of the various Metric types. You essentially want to mirror the +// existing numbers into Prometheus Metrics during collection. An own +// implementation of the Collector interface is perfect for that. You can create +// Metric instances “on the fly” using NewConstMetric, NewConstHistogram, and +// NewConstSummary (and their respective Must… versions). NewConstMetric is used +// for all metric types with just a float64 as their value: Counter, Gauge, and +// a special “type” called Untyped. Use the latter if you are not sure if the +// mirrored metric is a Counter or a Gauge. Creation of the Metric instance +// happens in the Collect method. The Describe method has to return separate +// Desc instances, representative of the “throw-away” metrics to be created +// later. NewDesc comes in handy to create those Desc instances. Alternatively, +// you could return no Desc at all, which will mark the Collector “unchecked”. +// No checks are performed at registration time, but metric consistency will +// still be ensured at scrape time, i.e. any inconsistencies will lead to scrape +// errors. Thus, with unchecked Collectors, the responsibility to not collect +// metrics that lead to inconsistencies in the total scrape result lies with the +// implementer of the Collector. While this is not a desirable state, it is +// sometimes necessary. The typical use case is a situation where the exact +// metrics to be returned by a Collector cannot be predicted at registration +// time, but the implementer has sufficient knowledge of the whole system to +// guarantee metric consistency. +// +// The Collector example illustrates the use case. You can also look at the +// source code of the processCollector (mirroring process metrics), the +// goCollector (mirroring Go metrics), or the expvarCollector (mirroring expvar +// metrics) as examples that are used in this package itself. +// +// If you just need to call a function to get a single float value to collect as +// a metric, GaugeFunc, CounterFunc, or UntypedFunc might be interesting +// shortcuts. +// +// Advanced Uses of the Registry +// +// While MustRegister is the by far most common way of registering a Collector, +// sometimes you might want to handle the errors the registration might cause. +// As suggested by the name, MustRegister panics if an error occurs. With the +// Register function, the error is returned and can be handled. +// +// An error is returned if the registered Collector is incompatible or +// inconsistent with already registered metrics. The registry aims for +// consistency of the collected metrics according to the Prometheus data model. +// Inconsistencies are ideally detected at registration time, not at collect +// time. The former will usually be detected at start-up time of a program, +// while the latter will only happen at scrape time, possibly not even on the +// first scrape if the inconsistency only becomes relevant later. That is the +// main reason why a Collector and a Metric have to describe themselves to the +// registry. +// +// So far, everything we did operated on the so-called default registry, as it +// can be found in the global DefaultRegisterer variable. With NewRegistry, you +// can create a custom registry, or you can even implement the Registerer or +// Gatherer interfaces yourself. The methods Register and Unregister work in the +// same way on a custom registry as the global functions Register and Unregister +// on the default registry. +// +// There are a number of uses for custom registries: You can use registries with +// special properties, see NewPedanticRegistry. You can avoid global state, as +// it is imposed by the DefaultRegisterer. You can use multiple registries at +// the same time to expose different metrics in different ways. You can use +// separate registries for testing purposes. +// +// Also note that the DefaultRegisterer comes registered with a Collector for Go +// runtime metrics (via NewGoCollector) and a Collector for process metrics (via +// NewProcessCollector). With a custom registry, you are in control and decide +// yourself about the Collectors to register. +// +// HTTP Exposition +// +// The Registry implements the Gatherer interface. The caller of the Gather +// method can then expose the gathered metrics in some way. Usually, the metrics +// are served via HTTP on the /metrics endpoint. That's happening in the example +// above. The tools to expose metrics via HTTP are in the promhttp sub-package. +// +// Pushing to the Pushgateway +// +// Function for pushing to the Pushgateway can be found in the push sub-package. +// +// Graphite Bridge +// +// Functions and examples to push metrics from a Gatherer to Graphite can be +// found in the graphite sub-package. +// +// Other Means of Exposition +// +// More ways of exposing metrics can easily be added by following the approaches +// of the existing implementations. +package prometheus diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go new file mode 100644 index 000000000..18a99d5fa --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go @@ -0,0 +1,119 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "encoding/json" + "expvar" +) + +type expvarCollector struct { + exports map[string]*Desc +} + +// NewExpvarCollector returns a newly allocated expvar Collector that still has +// to be registered with a Prometheus registry. +// +// An expvar Collector collects metrics from the expvar interface. It provides a +// quick way to expose numeric values that are already exported via expvar as +// Prometheus metrics. Note that the data models of expvar and Prometheus are +// fundamentally different, and that the expvar Collector is inherently slower +// than native Prometheus metrics. Thus, the expvar Collector is probably great +// for experiments and prototying, but you should seriously consider a more +// direct implementation of Prometheus metrics for monitoring production +// systems. +// +// The exports map has the following meaning: +// +// The keys in the map correspond to expvar keys, i.e. for every expvar key you +// want to export as Prometheus metric, you need an entry in the exports +// map. The descriptor mapped to each key describes how to export the expvar +// value. It defines the name and the help string of the Prometheus metric +// proxying the expvar value. The type will always be Untyped. +// +// For descriptors without variable labels, the expvar value must be a number or +// a bool. The number is then directly exported as the Prometheus sample +// value. (For a bool, 'false' translates to 0 and 'true' to 1). Expvar values +// that are not numbers or bools are silently ignored. +// +// If the descriptor has one variable label, the expvar value must be an expvar +// map. The keys in the expvar map become the various values of the one +// Prometheus label. The values in the expvar map must be numbers or bools again +// as above. +// +// For descriptors with more than one variable label, the expvar must be a +// nested expvar map, i.e. where the values of the topmost map are maps again +// etc. until a depth is reached that corresponds to the number of labels. The +// leaves of that structure must be numbers or bools as above to serve as the +// sample values. +// +// Anything that does not fit into the scheme above is silently ignored. +func NewExpvarCollector(exports map[string]*Desc) Collector { + return &expvarCollector{ + exports: exports, + } +} + +// Describe implements Collector. +func (e *expvarCollector) Describe(ch chan<- *Desc) { + for _, desc := range e.exports { + ch <- desc + } +} + +// Collect implements Collector. +func (e *expvarCollector) Collect(ch chan<- Metric) { + for name, desc := range e.exports { + var m Metric + expVar := expvar.Get(name) + if expVar == nil { + continue + } + var v interface{} + labels := make([]string, len(desc.variableLabels)) + if err := json.Unmarshal([]byte(expVar.String()), &v); err != nil { + ch <- NewInvalidMetric(desc, err) + continue + } + var processValue func(v interface{}, i int) + processValue = func(v interface{}, i int) { + if i >= len(labels) { + copiedLabels := append(make([]string, 0, len(labels)), labels...) + switch v := v.(type) { + case float64: + m = MustNewConstMetric(desc, UntypedValue, v, copiedLabels...) + case bool: + if v { + m = MustNewConstMetric(desc, UntypedValue, 1, copiedLabels...) + } else { + m = MustNewConstMetric(desc, UntypedValue, 0, copiedLabels...) + } + default: + return + } + ch <- m + return + } + vm, ok := v.(map[string]interface{}) + if !ok { + return + } + for lv, val := range vm { + labels[i] = lv + processValue(val, i+1) + } + } + processValue(v, 0) + } +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/fnv.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/fnv.go new file mode 100644 index 000000000..3d383a735 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/fnv.go @@ -0,0 +1,42 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +// Inline and byte-free variant of hash/fnv's fnv64a. + +const ( + offset64 = 14695981039346656037 + prime64 = 1099511628211 +) + +// hashNew initializies a new fnv64a hash value. +func hashNew() uint64 { + return offset64 +} + +// hashAdd adds a string to a fnv64a hash value, returning the updated hash. +func hashAdd(h uint64, s string) uint64 { + for i := 0; i < len(s); i++ { + h ^= uint64(s[i]) + h *= prime64 + } + return h +} + +// hashAddByte adds a byte to a fnv64a hash value, returning the updated hash. +func hashAddByte(h uint64, b byte) uint64 { + h ^= uint64(b) + h *= prime64 + return h +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/gauge.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/gauge.go new file mode 100644 index 000000000..d67573f76 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/gauge.go @@ -0,0 +1,289 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "math" + "sync/atomic" + "time" + + dto "github.com/prometheus/client_model/go" +) + +// Gauge is a Metric that represents a single numerical value that can +// arbitrarily go up and down. +// +// A Gauge is typically used for measured values like temperatures or current +// memory usage, but also "counts" that can go up and down, like the number of +// running goroutines. +// +// To create Gauge instances, use NewGauge. +type Gauge interface { + Metric + Collector + + // Set sets the Gauge to an arbitrary value. + Set(float64) + // Inc increments the Gauge by 1. Use Add to increment it by arbitrary + // values. + Inc() + // Dec decrements the Gauge by 1. Use Sub to decrement it by arbitrary + // values. + Dec() + // Add adds the given value to the Gauge. (The value can be negative, + // resulting in a decrease of the Gauge.) + Add(float64) + // Sub subtracts the given value from the Gauge. (The value can be + // negative, resulting in an increase of the Gauge.) + Sub(float64) + + // SetToCurrentTime sets the Gauge to the current Unix time in seconds. + SetToCurrentTime() +} + +// GaugeOpts is an alias for Opts. See there for doc comments. +type GaugeOpts Opts + +// NewGauge creates a new Gauge based on the provided GaugeOpts. +// +// The returned implementation is optimized for a fast Set method. If you have a +// choice for managing the value of a Gauge via Set vs. Inc/Dec/Add/Sub, pick +// the former. For example, the Inc method of the returned Gauge is slower than +// the Inc method of a Counter returned by NewCounter. This matches the typical +// scenarios for Gauges and Counters, where the former tends to be Set-heavy and +// the latter Inc-heavy. +func NewGauge(opts GaugeOpts) Gauge { + desc := NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ) + result := &gauge{desc: desc, labelPairs: desc.constLabelPairs} + result.init(result) // Init self-collection. + return result +} + +type gauge struct { + // valBits contains the bits of the represented float64 value. It has + // to go first in the struct to guarantee alignment for atomic + // operations. http://golang.org/pkg/sync/atomic/#pkg-note-BUG + valBits uint64 + + selfCollector + + desc *Desc + labelPairs []*dto.LabelPair +} + +func (g *gauge) Desc() *Desc { + return g.desc +} + +func (g *gauge) Set(val float64) { + atomic.StoreUint64(&g.valBits, math.Float64bits(val)) +} + +func (g *gauge) SetToCurrentTime() { + g.Set(float64(time.Now().UnixNano()) / 1e9) +} + +func (g *gauge) Inc() { + g.Add(1) +} + +func (g *gauge) Dec() { + g.Add(-1) +} + +func (g *gauge) Add(val float64) { + for { + oldBits := atomic.LoadUint64(&g.valBits) + newBits := math.Float64bits(math.Float64frombits(oldBits) + val) + if atomic.CompareAndSwapUint64(&g.valBits, oldBits, newBits) { + return + } + } +} + +func (g *gauge) Sub(val float64) { + g.Add(val * -1) +} + +func (g *gauge) Write(out *dto.Metric) error { + val := math.Float64frombits(atomic.LoadUint64(&g.valBits)) + return populateMetric(GaugeValue, val, g.labelPairs, nil, out) +} + +// GaugeVec is a Collector that bundles a set of Gauges that all share the same +// Desc, but have different values for their variable labels. This is used if +// you want to count the same thing partitioned by various dimensions +// (e.g. number of operations queued, partitioned by user and operation +// type). Create instances with NewGaugeVec. +type GaugeVec struct { + *metricVec +} + +// NewGaugeVec creates a new GaugeVec based on the provided GaugeOpts and +// partitioned by the given label names. +func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec { + desc := NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + labelNames, + opts.ConstLabels, + ) + return &GaugeVec{ + metricVec: newMetricVec(desc, func(lvs ...string) Metric { + if len(lvs) != len(desc.variableLabels) { + panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs)) + } + result := &gauge{desc: desc, labelPairs: makeLabelPairs(desc, lvs)} + result.init(result) // Init self-collection. + return result + }), + } +} + +// GetMetricWithLabelValues returns the Gauge for the given slice of label +// values (same order as the VariableLabels in Desc). If that combination of +// label values is accessed for the first time, a new Gauge is created. +// +// It is possible to call this method without using the returned Gauge to only +// create the new Gauge but leave it at its starting value 0. See also the +// SummaryVec example. +// +// Keeping the Gauge for later use is possible (and should be considered if +// performance is critical), but keep in mind that Reset, DeleteLabelValues and +// Delete can be used to delete the Gauge from the GaugeVec. In that case, the +// Gauge will still exist, but it will not be exported anymore, even if a +// Gauge with the same label values is created later. See also the CounterVec +// example. +// +// An error is returned if the number of label values is not the same as the +// number of VariableLabels in Desc (minus any curried labels). +// +// Note that for more than one label value, this method is prone to mistakes +// caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as +// an alternative to avoid that type of mistake. For higher label numbers, the +// latter has a much more readable (albeit more verbose) syntax, but it comes +// with a performance overhead (for creating and processing the Labels map). +func (v *GaugeVec) GetMetricWithLabelValues(lvs ...string) (Gauge, error) { + metric, err := v.metricVec.getMetricWithLabelValues(lvs...) + if metric != nil { + return metric.(Gauge), err + } + return nil, err +} + +// GetMetricWith returns the Gauge for the given Labels map (the label names +// must match those of the VariableLabels in Desc). If that label map is +// accessed for the first time, a new Gauge is created. Implications of +// creating a Gauge without using it and keeping the Gauge for later use are +// the same as for GetMetricWithLabelValues. +// +// An error is returned if the number and names of the Labels are inconsistent +// with those of the VariableLabels in Desc (minus any curried labels). +// +// This method is used for the same purpose as +// GetMetricWithLabelValues(...string). See there for pros and cons of the two +// methods. +func (v *GaugeVec) GetMetricWith(labels Labels) (Gauge, error) { + metric, err := v.metricVec.getMetricWith(labels) + if metric != nil { + return metric.(Gauge), err + } + return nil, err +} + +// WithLabelValues works as GetMetricWithLabelValues, but panics where +// GetMetricWithLabelValues would have returned an error. Not returning an +// error allows shortcuts like +// myVec.WithLabelValues("404", "GET").Add(42) +func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge { + g, err := v.GetMetricWithLabelValues(lvs...) + if err != nil { + panic(err) + } + return g +} + +// With works as GetMetricWith, but panics where GetMetricWithLabels would have +// returned an error. Not returning an error allows shortcuts like +// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42) +func (v *GaugeVec) With(labels Labels) Gauge { + g, err := v.GetMetricWith(labels) + if err != nil { + panic(err) + } + return g +} + +// CurryWith returns a vector curried with the provided labels, i.e. the +// returned vector has those labels pre-set for all labeled operations performed +// on it. The cardinality of the curried vector is reduced accordingly. The +// order of the remaining labels stays the same (just with the curried labels +// taken out of the sequence – which is relevant for the +// (GetMetric)WithLabelValues methods). It is possible to curry a curried +// vector, but only with labels not yet used for currying before. +// +// The metrics contained in the GaugeVec are shared between the curried and +// uncurried vectors. They are just accessed differently. Curried and uncurried +// vectors behave identically in terms of collection. Only one must be +// registered with a given registry (usually the uncurried version). The Reset +// method deletes all metrics, even if called on a curried vector. +func (v *GaugeVec) CurryWith(labels Labels) (*GaugeVec, error) { + vec, err := v.curryWith(labels) + if vec != nil { + return &GaugeVec{vec}, err + } + return nil, err +} + +// MustCurryWith works as CurryWith but panics where CurryWith would have +// returned an error. +func (v *GaugeVec) MustCurryWith(labels Labels) *GaugeVec { + vec, err := v.CurryWith(labels) + if err != nil { + panic(err) + } + return vec +} + +// GaugeFunc is a Gauge whose value is determined at collect time by calling a +// provided function. +// +// To create GaugeFunc instances, use NewGaugeFunc. +type GaugeFunc interface { + Metric + Collector +} + +// NewGaugeFunc creates a new GaugeFunc based on the provided GaugeOpts. The +// value reported is determined by calling the given function from within the +// Write method. Take into account that metric collection may happen +// concurrently. Therefore, it must be safe to call the provided function +// concurrently. +// +// NewGaugeFunc is a good way to create an “info” style metric with a constant +// value of 1. Example: +// https://github.com/prometheus/common/blob/8558a5b7db3c84fa38b4766966059a7bd5bfa2ee/version/info.go#L36-L56 +func NewGaugeFunc(opts GaugeOpts, function func() float64) GaugeFunc { + return newValueFunc(NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ), GaugeValue, function) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go new file mode 100644 index 000000000..ea05cf429 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go @@ -0,0 +1,396 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "runtime" + "runtime/debug" + "sync" + "time" +) + +type goCollector struct { + goroutinesDesc *Desc + threadsDesc *Desc + gcDesc *Desc + goInfoDesc *Desc + + // ms... are memstats related. + msLast *runtime.MemStats // Previously collected memstats. + msLastTimestamp time.Time + msMtx sync.Mutex // Protects msLast and msLastTimestamp. + msMetrics memStatsMetrics + msRead func(*runtime.MemStats) // For mocking in tests. + msMaxWait time.Duration // Wait time for fresh memstats. + msMaxAge time.Duration // Maximum allowed age of old memstats. +} + +// NewGoCollector returns a collector that exports metrics about the current Go +// process. This includes memory stats. To collect those, runtime.ReadMemStats +// is called. This requires to “stop the world”, which usually only happens for +// garbage collection (GC). Take the following implications into account when +// deciding whether to use the Go collector: +// +// 1. The performance impact of stopping the world is the more relevant the more +// frequently metrics are collected. However, with Go1.9 or later the +// stop-the-world time per metrics collection is very short (~25µs) so that the +// performance impact will only matter in rare cases. However, with older Go +// versions, the stop-the-world duration depends on the heap size and can be +// quite significant (~1.7 ms/GiB as per +// https://go-review.googlesource.com/c/go/+/34937). +// +// 2. During an ongoing GC, nothing else can stop the world. Therefore, if the +// metrics collection happens to coincide with GC, it will only complete after +// GC has finished. Usually, GC is fast enough to not cause problems. However, +// with a very large heap, GC might take multiple seconds, which is enough to +// cause scrape timeouts in common setups. To avoid this problem, the Go +// collector will use the memstats from a previous collection if +// runtime.ReadMemStats takes more than 1s. However, if there are no previously +// collected memstats, or their collection is more than 5m ago, the collection +// will block until runtime.ReadMemStats succeeds. (The problem might be solved +// in Go1.13, see https://github.com/golang/go/issues/19812 for the related Go +// issue.) +func NewGoCollector() Collector { + return &goCollector{ + goroutinesDesc: NewDesc( + "go_goroutines", + "Number of goroutines that currently exist.", + nil, nil), + threadsDesc: NewDesc( + "go_threads", + "Number of OS threads created.", + nil, nil), + gcDesc: NewDesc( + "go_gc_duration_seconds", + "A summary of the pause duration of garbage collection cycles.", + nil, nil), + goInfoDesc: NewDesc( + "go_info", + "Information about the Go environment.", + nil, Labels{"version": runtime.Version()}), + msLast: &runtime.MemStats{}, + msRead: runtime.ReadMemStats, + msMaxWait: time.Second, + msMaxAge: 5 * time.Minute, + msMetrics: memStatsMetrics{ + { + desc: NewDesc( + memstatNamespace("alloc_bytes"), + "Number of bytes allocated and still in use.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("alloc_bytes_total"), + "Total number of bytes allocated, even if freed.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) }, + valType: CounterValue, + }, { + desc: NewDesc( + memstatNamespace("sys_bytes"), + "Number of bytes obtained from system.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.Sys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("lookups_total"), + "Total number of pointer lookups.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.Lookups) }, + valType: CounterValue, + }, { + desc: NewDesc( + memstatNamespace("mallocs_total"), + "Total number of mallocs.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) }, + valType: CounterValue, + }, { + desc: NewDesc( + memstatNamespace("frees_total"), + "Total number of frees.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) }, + valType: CounterValue, + }, { + desc: NewDesc( + memstatNamespace("heap_alloc_bytes"), + "Number of heap bytes allocated and still in use.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("heap_sys_bytes"), + "Number of heap bytes obtained from system.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("heap_idle_bytes"), + "Number of heap bytes waiting to be used.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("heap_inuse_bytes"), + "Number of heap bytes that are in use.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("heap_released_bytes"), + "Number of heap bytes released to OS.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("heap_objects"), + "Number of allocated objects.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("stack_inuse_bytes"), + "Number of bytes in use by the stack allocator.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("stack_sys_bytes"), + "Number of bytes obtained from system for stack allocator.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("mspan_inuse_bytes"), + "Number of bytes in use by mspan structures.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("mspan_sys_bytes"), + "Number of bytes used for mspan structures obtained from system.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("mcache_inuse_bytes"), + "Number of bytes in use by mcache structures.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("mcache_sys_bytes"), + "Number of bytes used for mcache structures obtained from system.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("buck_hash_sys_bytes"), + "Number of bytes used by the profiling bucket hash table.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("gc_sys_bytes"), + "Number of bytes used for garbage collection system metadata.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("other_sys_bytes"), + "Number of bytes used for other system allocations.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("next_gc_bytes"), + "Number of heap bytes when next garbage collection will take place.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("last_gc_time_seconds"), + "Number of seconds since 1970 of last garbage collection.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return float64(ms.LastGC) / 1e9 }, + valType: GaugeValue, + }, { + desc: NewDesc( + memstatNamespace("gc_cpu_fraction"), + "The fraction of this program's available CPU time used by the GC since the program started.", + nil, nil, + ), + eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction }, + valType: GaugeValue, + }, + }, + } +} + +func memstatNamespace(s string) string { + return "go_memstats_" + s +} + +// Describe returns all descriptions of the collector. +func (c *goCollector) Describe(ch chan<- *Desc) { + ch <- c.goroutinesDesc + ch <- c.threadsDesc + ch <- c.gcDesc + ch <- c.goInfoDesc + for _, i := range c.msMetrics { + ch <- i.desc + } +} + +// Collect returns the current state of all metrics of the collector. +func (c *goCollector) Collect(ch chan<- Metric) { + var ( + ms = &runtime.MemStats{} + done = make(chan struct{}) + ) + // Start reading memstats first as it might take a while. + go func() { + c.msRead(ms) + c.msMtx.Lock() + c.msLast = ms + c.msLastTimestamp = time.Now() + c.msMtx.Unlock() + close(done) + }() + + ch <- MustNewConstMetric(c.goroutinesDesc, GaugeValue, float64(runtime.NumGoroutine())) + n, _ := runtime.ThreadCreateProfile(nil) + ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, float64(n)) + + var stats debug.GCStats + stats.PauseQuantiles = make([]time.Duration, 5) + debug.ReadGCStats(&stats) + + quantiles := make(map[float64]float64) + for idx, pq := range stats.PauseQuantiles[1:] { + quantiles[float64(idx+1)/float64(len(stats.PauseQuantiles)-1)] = pq.Seconds() + } + quantiles[0.0] = stats.PauseQuantiles[0].Seconds() + ch <- MustNewConstSummary(c.gcDesc, uint64(stats.NumGC), stats.PauseTotal.Seconds(), quantiles) + + ch <- MustNewConstMetric(c.goInfoDesc, GaugeValue, 1) + + timer := time.NewTimer(c.msMaxWait) + select { + case <-done: // Our own ReadMemStats succeeded in time. Use it. + timer.Stop() // Important for high collection frequencies to not pile up timers. + c.msCollect(ch, ms) + return + case <-timer.C: // Time out, use last memstats if possible. Continue below. + } + c.msMtx.Lock() + if time.Since(c.msLastTimestamp) < c.msMaxAge { + // Last memstats are recent enough. Collect from them under the lock. + c.msCollect(ch, c.msLast) + c.msMtx.Unlock() + return + } + // If we are here, the last memstats are too old or don't exist. We have + // to wait until our own ReadMemStats finally completes. For that to + // happen, we have to release the lock. + c.msMtx.Unlock() + <-done + c.msCollect(ch, ms) +} + +func (c *goCollector) msCollect(ch chan<- Metric, ms *runtime.MemStats) { + for _, i := range c.msMetrics { + ch <- MustNewConstMetric(i.desc, i.valType, i.eval(ms)) + } +} + +// memStatsMetrics provide description, value, and value type for memstat metrics. +type memStatsMetrics []struct { + desc *Desc + eval func(*runtime.MemStats) float64 + valType ValueType +} + +// NewBuildInfoCollector returns a collector collecting a single metric +// "go_build_info" with the constant value 1 and three labels "path", "version", +// and "checksum". Their label values contain the main module path, version, and +// checksum, respectively. The labels will only have meaningful values if the +// binary is built with Go module support and from source code retrieved from +// the source repository (rather than the local file system). This is usually +// accomplished by building from outside of GOPATH, specifying the full address +// of the main package, e.g. "GO111MODULE=on go run +// github.com/prometheus/client_golang/examples/random". If built without Go +// module support, all label values will be "unknown". If built with Go module +// support but using the source code from the local file system, the "path" will +// be set appropriately, but "checksum" will be empty and "version" will be +// "(devel)". +// +// This collector uses only the build information for the main module. See +// https://github.com/povilasv/prommod for an example of a collector for the +// module dependencies. +func NewBuildInfoCollector() Collector { + path, version, sum := readBuildInfo() + c := &selfCollector{MustNewConstMetric( + NewDesc( + "go_build_info", + "Build information about the main Go module.", + nil, Labels{"path": path, "version": version, "checksum": sum}, + ), + GaugeValue, 1)} + c.init(c.self) + return c +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/histogram.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/histogram.go new file mode 100644 index 000000000..d4ea301a3 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/histogram.go @@ -0,0 +1,637 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "fmt" + "math" + "runtime" + "sort" + "sync" + "sync/atomic" + "time" + + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + + dto "github.com/prometheus/client_model/go" +) + +// A Histogram counts individual observations from an event or sample stream in +// configurable buckets. Similar to a summary, it also provides a sum of +// observations and an observation count. +// +// On the Prometheus server, quantiles can be calculated from a Histogram using +// the histogram_quantile function in the query language. +// +// Note that Histograms, in contrast to Summaries, can be aggregated with the +// Prometheus query language (see the documentation for detailed +// procedures). However, Histograms require the user to pre-define suitable +// buckets, and they are in general less accurate. The Observe method of a +// Histogram has a very low performance overhead in comparison with the Observe +// method of a Summary. +// +// To create Histogram instances, use NewHistogram. +type Histogram interface { + Metric + Collector + + // Observe adds a single observation to the histogram. + Observe(float64) +} + +// bucketLabel is used for the label that defines the upper bound of a +// bucket of a histogram ("le" -> "less or equal"). +const bucketLabel = "le" + +// DefBuckets are the default Histogram buckets. The default buckets are +// tailored to broadly measure the response time (in seconds) of a network +// service. Most likely, however, you will be required to define buckets +// customized to your use case. +var ( + DefBuckets = []float64{.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10} + + errBucketLabelNotAllowed = fmt.Errorf( + "%q is not allowed as label name in histograms", bucketLabel, + ) +) + +// LinearBuckets creates 'count' buckets, each 'width' wide, where the lowest +// bucket has an upper bound of 'start'. The final +Inf bucket is not counted +// and not included in the returned slice. The returned slice is meant to be +// used for the Buckets field of HistogramOpts. +// +// The function panics if 'count' is zero or negative. +func LinearBuckets(start, width float64, count int) []float64 { + if count < 1 { + panic("LinearBuckets needs a positive count") + } + buckets := make([]float64, count) + for i := range buckets { + buckets[i] = start + start += width + } + return buckets +} + +// ExponentialBuckets creates 'count' buckets, where the lowest bucket has an +// upper bound of 'start' and each following bucket's upper bound is 'factor' +// times the previous bucket's upper bound. The final +Inf bucket is not counted +// and not included in the returned slice. The returned slice is meant to be +// used for the Buckets field of HistogramOpts. +// +// The function panics if 'count' is 0 or negative, if 'start' is 0 or negative, +// or if 'factor' is less than or equal 1. +func ExponentialBuckets(start, factor float64, count int) []float64 { + if count < 1 { + panic("ExponentialBuckets needs a positive count") + } + if start <= 0 { + panic("ExponentialBuckets needs a positive start value") + } + if factor <= 1 { + panic("ExponentialBuckets needs a factor greater than 1") + } + buckets := make([]float64, count) + for i := range buckets { + buckets[i] = start + start *= factor + } + return buckets +} + +// HistogramOpts bundles the options for creating a Histogram metric. It is +// mandatory to set Name to a non-empty string. All other fields are optional +// and can safely be left at their zero value, although it is strongly +// encouraged to set a Help string. +type HistogramOpts struct { + // Namespace, Subsystem, and Name are components of the fully-qualified + // name of the Histogram (created by joining these components with + // "_"). Only Name is mandatory, the others merely help structuring the + // name. Note that the fully-qualified name of the Histogram must be a + // valid Prometheus metric name. + Namespace string + Subsystem string + Name string + + // Help provides information about this Histogram. + // + // Metrics with the same fully-qualified name must have the same Help + // string. + Help string + + // ConstLabels are used to attach fixed labels to this metric. Metrics + // with the same fully-qualified name must have the same label names in + // their ConstLabels. + // + // ConstLabels are only used rarely. In particular, do not use them to + // attach the same labels to all your metrics. Those use cases are + // better covered by target labels set by the scraping Prometheus + // server, or by one specific metric (e.g. a build_info or a + // machine_role metric). See also + // https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels-not-static-scraped-labels + ConstLabels Labels + + // Buckets defines the buckets into which observations are counted. Each + // element in the slice is the upper inclusive bound of a bucket. The + // values must be sorted in strictly increasing order. There is no need + // to add a highest bucket with +Inf bound, it will be added + // implicitly. The default value is DefBuckets. + Buckets []float64 +} + +// NewHistogram creates a new Histogram based on the provided HistogramOpts. It +// panics if the buckets in HistogramOpts are not in strictly increasing order. +// +// The returned implementation also implements ExemplarObserver. It is safe to +// perform the corresponding type assertion. Exemplars are tracked separately +// for each bucket. +func NewHistogram(opts HistogramOpts) Histogram { + return newHistogram( + NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ), + opts, + ) +} + +func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogram { + if len(desc.variableLabels) != len(labelValues) { + panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues)) + } + + for _, n := range desc.variableLabels { + if n == bucketLabel { + panic(errBucketLabelNotAllowed) + } + } + for _, lp := range desc.constLabelPairs { + if lp.GetName() == bucketLabel { + panic(errBucketLabelNotAllowed) + } + } + + if len(opts.Buckets) == 0 { + opts.Buckets = DefBuckets + } + + h := &histogram{ + desc: desc, + upperBounds: opts.Buckets, + labelPairs: makeLabelPairs(desc, labelValues), + counts: [2]*histogramCounts{{}, {}}, + now: time.Now, + } + for i, upperBound := range h.upperBounds { + if i < len(h.upperBounds)-1 { + if upperBound >= h.upperBounds[i+1] { + panic(fmt.Errorf( + "histogram buckets must be in increasing order: %f >= %f", + upperBound, h.upperBounds[i+1], + )) + } + } else { + if math.IsInf(upperBound, +1) { + // The +Inf bucket is implicit. Remove it here. + h.upperBounds = h.upperBounds[:i] + } + } + } + // Finally we know the final length of h.upperBounds and can make buckets + // for both counts as well as exemplars: + h.counts[0].buckets = make([]uint64, len(h.upperBounds)) + h.counts[1].buckets = make([]uint64, len(h.upperBounds)) + h.exemplars = make([]atomic.Value, len(h.upperBounds)+1) + + h.init(h) // Init self-collection. + return h +} + +type histogramCounts struct { + // sumBits contains the bits of the float64 representing the sum of all + // observations. sumBits and count have to go first in the struct to + // guarantee alignment for atomic operations. + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG + sumBits uint64 + count uint64 + buckets []uint64 +} + +type histogram struct { + // countAndHotIdx enables lock-free writes with use of atomic updates. + // The most significant bit is the hot index [0 or 1] of the count field + // below. Observe calls update the hot one. All remaining bits count the + // number of Observe calls. Observe starts by incrementing this counter, + // and finish by incrementing the count field in the respective + // histogramCounts, as a marker for completion. + // + // Calls of the Write method (which are non-mutating reads from the + // perspective of the histogram) swap the hot–cold under the writeMtx + // lock. A cooldown is awaited (while locked) by comparing the number of + // observations with the initiation count. Once they match, then the + // last observation on the now cool one has completed. All cool fields must + // be merged into the new hot before releasing writeMtx. + // + // Fields with atomic access first! See alignment constraint: + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG + countAndHotIdx uint64 + + selfCollector + desc *Desc + writeMtx sync.Mutex // Only used in the Write method. + + // Two counts, one is "hot" for lock-free observations, the other is + // "cold" for writing out a dto.Metric. It has to be an array of + // pointers to guarantee 64bit alignment of the histogramCounts, see + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG. + counts [2]*histogramCounts + + upperBounds []float64 + labelPairs []*dto.LabelPair + exemplars []atomic.Value // One more than buckets (to include +Inf), each a *dto.Exemplar. + + now func() time.Time // To mock out time.Now() for testing. +} + +func (h *histogram) Desc() *Desc { + return h.desc +} + +func (h *histogram) Observe(v float64) { + h.observe(v, h.findBucket(v)) +} + +func (h *histogram) ObserveWithExemplar(v float64, e Labels) { + i := h.findBucket(v) + h.observe(v, i) + h.updateExemplar(v, i, e) +} + +func (h *histogram) Write(out *dto.Metric) error { + // For simplicity, we protect this whole method by a mutex. It is not in + // the hot path, i.e. Observe is called much more often than Write. The + // complication of making Write lock-free isn't worth it, if possible at + // all. + h.writeMtx.Lock() + defer h.writeMtx.Unlock() + + // Adding 1<<63 switches the hot index (from 0 to 1 or from 1 to 0) + // without touching the count bits. See the struct comments for a full + // description of the algorithm. + n := atomic.AddUint64(&h.countAndHotIdx, 1<<63) + // count is contained unchanged in the lower 63 bits. + count := n & ((1 << 63) - 1) + // The most significant bit tells us which counts is hot. The complement + // is thus the cold one. + hotCounts := h.counts[n>>63] + coldCounts := h.counts[(^n)>>63] + + // Await cooldown. + for count != atomic.LoadUint64(&coldCounts.count) { + runtime.Gosched() // Let observations get work done. + } + + his := &dto.Histogram{ + Bucket: make([]*dto.Bucket, len(h.upperBounds)), + SampleCount: proto.Uint64(count), + SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))), + } + var cumCount uint64 + for i, upperBound := range h.upperBounds { + cumCount += atomic.LoadUint64(&coldCounts.buckets[i]) + his.Bucket[i] = &dto.Bucket{ + CumulativeCount: proto.Uint64(cumCount), + UpperBound: proto.Float64(upperBound), + } + if e := h.exemplars[i].Load(); e != nil { + his.Bucket[i].Exemplar = e.(*dto.Exemplar) + } + } + // If there is an exemplar for the +Inf bucket, we have to add that bucket explicitly. + if e := h.exemplars[len(h.upperBounds)].Load(); e != nil { + b := &dto.Bucket{ + CumulativeCount: proto.Uint64(count), + UpperBound: proto.Float64(math.Inf(1)), + Exemplar: e.(*dto.Exemplar), + } + his.Bucket = append(his.Bucket, b) + } + + out.Histogram = his + out.Label = h.labelPairs + + // Finally add all the cold counts to the new hot counts and reset the cold counts. + atomic.AddUint64(&hotCounts.count, count) + atomic.StoreUint64(&coldCounts.count, 0) + for { + oldBits := atomic.LoadUint64(&hotCounts.sumBits) + newBits := math.Float64bits(math.Float64frombits(oldBits) + his.GetSampleSum()) + if atomic.CompareAndSwapUint64(&hotCounts.sumBits, oldBits, newBits) { + atomic.StoreUint64(&coldCounts.sumBits, 0) + break + } + } + for i := range h.upperBounds { + atomic.AddUint64(&hotCounts.buckets[i], atomic.LoadUint64(&coldCounts.buckets[i])) + atomic.StoreUint64(&coldCounts.buckets[i], 0) + } + return nil +} + +// findBucket returns the index of the bucket for the provided value, or +// len(h.upperBounds) for the +Inf bucket. +func (h *histogram) findBucket(v float64) int { + // TODO(beorn7): For small numbers of buckets (<30), a linear search is + // slightly faster than the binary search. If we really care, we could + // switch from one search strategy to the other depending on the number + // of buckets. + // + // Microbenchmarks (BenchmarkHistogramNoLabels): + // 11 buckets: 38.3 ns/op linear - binary 48.7 ns/op + // 100 buckets: 78.1 ns/op linear - binary 54.9 ns/op + // 300 buckets: 154 ns/op linear - binary 61.6 ns/op + return sort.SearchFloat64s(h.upperBounds, v) +} + +// observe is the implementation for Observe without the findBucket part. +func (h *histogram) observe(v float64, bucket int) { + // We increment h.countAndHotIdx so that the counter in the lower + // 63 bits gets incremented. At the same time, we get the new value + // back, which we can use to find the currently-hot counts. + n := atomic.AddUint64(&h.countAndHotIdx, 1) + hotCounts := h.counts[n>>63] + + if bucket < len(h.upperBounds) { + atomic.AddUint64(&hotCounts.buckets[bucket], 1) + } + for { + oldBits := atomic.LoadUint64(&hotCounts.sumBits) + newBits := math.Float64bits(math.Float64frombits(oldBits) + v) + if atomic.CompareAndSwapUint64(&hotCounts.sumBits, oldBits, newBits) { + break + } + } + // Increment count last as we take it as a signal that the observation + // is complete. + atomic.AddUint64(&hotCounts.count, 1) +} + +// updateExemplar replaces the exemplar for the provided bucket. With empty +// labels, it's a no-op. It panics if any of the labels is invalid. +func (h *histogram) updateExemplar(v float64, bucket int, l Labels) { + if l == nil { + return + } + e, err := newExemplar(v, h.now(), l) + if err != nil { + panic(err) + } + h.exemplars[bucket].Store(e) +} + +// HistogramVec is a Collector that bundles a set of Histograms that all share the +// same Desc, but have different values for their variable labels. This is used +// if you want to count the same thing partitioned by various dimensions +// (e.g. HTTP request latencies, partitioned by status code and method). Create +// instances with NewHistogramVec. +type HistogramVec struct { + *metricVec +} + +// NewHistogramVec creates a new HistogramVec based on the provided HistogramOpts and +// partitioned by the given label names. +func NewHistogramVec(opts HistogramOpts, labelNames []string) *HistogramVec { + desc := NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + labelNames, + opts.ConstLabels, + ) + return &HistogramVec{ + metricVec: newMetricVec(desc, func(lvs ...string) Metric { + return newHistogram(desc, opts, lvs...) + }), + } +} + +// GetMetricWithLabelValues returns the Histogram for the given slice of label +// values (same order as the VariableLabels in Desc). If that combination of +// label values is accessed for the first time, a new Histogram is created. +// +// It is possible to call this method without using the returned Histogram to only +// create the new Histogram but leave it at its starting value, a Histogram without +// any observations. +// +// Keeping the Histogram for later use is possible (and should be considered if +// performance is critical), but keep in mind that Reset, DeleteLabelValues and +// Delete can be used to delete the Histogram from the HistogramVec. In that case, the +// Histogram will still exist, but it will not be exported anymore, even if a +// Histogram with the same label values is created later. See also the CounterVec +// example. +// +// An error is returned if the number of label values is not the same as the +// number of VariableLabels in Desc (minus any curried labels). +// +// Note that for more than one label value, this method is prone to mistakes +// caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as +// an alternative to avoid that type of mistake. For higher label numbers, the +// latter has a much more readable (albeit more verbose) syntax, but it comes +// with a performance overhead (for creating and processing the Labels map). +// See also the GaugeVec example. +func (v *HistogramVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) { + metric, err := v.metricVec.getMetricWithLabelValues(lvs...) + if metric != nil { + return metric.(Observer), err + } + return nil, err +} + +// GetMetricWith returns the Histogram for the given Labels map (the label names +// must match those of the VariableLabels in Desc). If that label map is +// accessed for the first time, a new Histogram is created. Implications of +// creating a Histogram without using it and keeping the Histogram for later use +// are the same as for GetMetricWithLabelValues. +// +// An error is returned if the number and names of the Labels are inconsistent +// with those of the VariableLabels in Desc (minus any curried labels). +// +// This method is used for the same purpose as +// GetMetricWithLabelValues(...string). See there for pros and cons of the two +// methods. +func (v *HistogramVec) GetMetricWith(labels Labels) (Observer, error) { + metric, err := v.metricVec.getMetricWith(labels) + if metric != nil { + return metric.(Observer), err + } + return nil, err +} + +// WithLabelValues works as GetMetricWithLabelValues, but panics where +// GetMetricWithLabelValues would have returned an error. Not returning an +// error allows shortcuts like +// myVec.WithLabelValues("404", "GET").Observe(42.21) +func (v *HistogramVec) WithLabelValues(lvs ...string) Observer { + h, err := v.GetMetricWithLabelValues(lvs...) + if err != nil { + panic(err) + } + return h +} + +// With works as GetMetricWith but panics where GetMetricWithLabels would have +// returned an error. Not returning an error allows shortcuts like +// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Observe(42.21) +func (v *HistogramVec) With(labels Labels) Observer { + h, err := v.GetMetricWith(labels) + if err != nil { + panic(err) + } + return h +} + +// CurryWith returns a vector curried with the provided labels, i.e. the +// returned vector has those labels pre-set for all labeled operations performed +// on it. The cardinality of the curried vector is reduced accordingly. The +// order of the remaining labels stays the same (just with the curried labels +// taken out of the sequence – which is relevant for the +// (GetMetric)WithLabelValues methods). It is possible to curry a curried +// vector, but only with labels not yet used for currying before. +// +// The metrics contained in the HistogramVec are shared between the curried and +// uncurried vectors. They are just accessed differently. Curried and uncurried +// vectors behave identically in terms of collection. Only one must be +// registered with a given registry (usually the uncurried version). The Reset +// method deletes all metrics, even if called on a curried vector. +func (v *HistogramVec) CurryWith(labels Labels) (ObserverVec, error) { + vec, err := v.curryWith(labels) + if vec != nil { + return &HistogramVec{vec}, err + } + return nil, err +} + +// MustCurryWith works as CurryWith but panics where CurryWith would have +// returned an error. +func (v *HistogramVec) MustCurryWith(labels Labels) ObserverVec { + vec, err := v.CurryWith(labels) + if err != nil { + panic(err) + } + return vec +} + +type constHistogram struct { + desc *Desc + count uint64 + sum float64 + buckets map[float64]uint64 + labelPairs []*dto.LabelPair +} + +func (h *constHistogram) Desc() *Desc { + return h.desc +} + +func (h *constHistogram) Write(out *dto.Metric) error { + his := &dto.Histogram{} + buckets := make([]*dto.Bucket, 0, len(h.buckets)) + + his.SampleCount = proto.Uint64(h.count) + his.SampleSum = proto.Float64(h.sum) + + for upperBound, count := range h.buckets { + buckets = append(buckets, &dto.Bucket{ + CumulativeCount: proto.Uint64(count), + UpperBound: proto.Float64(upperBound), + }) + } + + if len(buckets) > 0 { + sort.Sort(buckSort(buckets)) + } + his.Bucket = buckets + + out.Histogram = his + out.Label = h.labelPairs + + return nil +} + +// NewConstHistogram returns a metric representing a Prometheus histogram with +// fixed values for the count, sum, and bucket counts. As those parameters +// cannot be changed, the returned value does not implement the Histogram +// interface (but only the Metric interface). Users of this package will not +// have much use for it in regular operations. However, when implementing custom +// Collectors, it is useful as a throw-away metric that is generated on the fly +// to send it to Prometheus in the Collect method. +// +// buckets is a map of upper bounds to cumulative counts, excluding the +Inf +// bucket. +// +// NewConstHistogram returns an error if the length of labelValues is not +// consistent with the variable labels in Desc or if Desc is invalid. +func NewConstHistogram( + desc *Desc, + count uint64, + sum float64, + buckets map[float64]uint64, + labelValues ...string, +) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil { + return nil, err + } + return &constHistogram{ + desc: desc, + count: count, + sum: sum, + buckets: buckets, + labelPairs: makeLabelPairs(desc, labelValues), + }, nil +} + +// MustNewConstHistogram is a version of NewConstHistogram that panics where +// NewConstHistogram would have returned an error. +func MustNewConstHistogram( + desc *Desc, + count uint64, + sum float64, + buckets map[float64]uint64, + labelValues ...string, +) Metric { + m, err := NewConstHistogram(desc, count, sum, buckets, labelValues...) + if err != nil { + panic(err) + } + return m +} + +type buckSort []*dto.Bucket + +func (s buckSort) Len() int { + return len(s) +} + +func (s buckSort) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +func (s buckSort) Less(i, j int) bool { + return s[i].GetUpperBound() < s[j].GetUpperBound() +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/internal/metric.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/internal/metric.go new file mode 100644 index 000000000..351c26e1a --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/internal/metric.go @@ -0,0 +1,85 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package internal + +import ( + "sort" + + dto "github.com/prometheus/client_model/go" +) + +// metricSorter is a sortable slice of *dto.Metric. +type metricSorter []*dto.Metric + +func (s metricSorter) Len() int { + return len(s) +} + +func (s metricSorter) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +func (s metricSorter) Less(i, j int) bool { + if len(s[i].Label) != len(s[j].Label) { + // This should not happen. The metrics are + // inconsistent. However, we have to deal with the fact, as + // people might use custom collectors or metric family injection + // to create inconsistent metrics. So let's simply compare the + // number of labels in this case. That will still yield + // reproducible sorting. + return len(s[i].Label) < len(s[j].Label) + } + for n, lp := range s[i].Label { + vi := lp.GetValue() + vj := s[j].Label[n].GetValue() + if vi != vj { + return vi < vj + } + } + + // We should never arrive here. Multiple metrics with the same + // label set in the same scrape will lead to undefined ingestion + // behavior. However, as above, we have to provide stable sorting + // here, even for inconsistent metrics. So sort equal metrics + // by their timestamp, with missing timestamps (implying "now") + // coming last. + if s[i].TimestampMs == nil { + return false + } + if s[j].TimestampMs == nil { + return true + } + return s[i].GetTimestampMs() < s[j].GetTimestampMs() +} + +// NormalizeMetricFamilies returns a MetricFamily slice with empty +// MetricFamilies pruned and the remaining MetricFamilies sorted by name within +// the slice, with the contained Metrics sorted within each MetricFamily. +func NormalizeMetricFamilies(metricFamiliesByName map[string]*dto.MetricFamily) []*dto.MetricFamily { + for _, mf := range metricFamiliesByName { + sort.Sort(metricSorter(mf.Metric)) + } + names := make([]string, 0, len(metricFamiliesByName)) + for name, mf := range metricFamiliesByName { + if len(mf.Metric) > 0 { + names = append(names, name) + } + } + sort.Strings(names) + result := make([]*dto.MetricFamily, 0, len(names)) + for _, name := range names { + result = append(result, metricFamiliesByName[name]) + } + return result +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/labels.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/labels.go new file mode 100644 index 000000000..2744443ac --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/labels.go @@ -0,0 +1,87 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "errors" + "fmt" + "strings" + "unicode/utf8" + + "github.com/prometheus/common/model" +) + +// Labels represents a collection of label name -> value mappings. This type is +// commonly used with the With(Labels) and GetMetricWith(Labels) methods of +// metric vector Collectors, e.g.: +// myVec.With(Labels{"code": "404", "method": "GET"}).Add(42) +// +// The other use-case is the specification of constant label pairs in Opts or to +// create a Desc. +type Labels map[string]string + +// reservedLabelPrefix is a prefix which is not legal in user-supplied +// label names. +const reservedLabelPrefix = "__" + +var errInconsistentCardinality = errors.New("inconsistent label cardinality") + +func makeInconsistentCardinalityError(fqName string, labels, labelValues []string) error { + return fmt.Errorf( + "%s: %q has %d variable labels named %q but %d values %q were provided", + errInconsistentCardinality, fqName, + len(labels), labels, + len(labelValues), labelValues, + ) +} + +func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error { + if len(labels) != expectedNumberOfValues { + return fmt.Errorf( + "%s: expected %d label values but got %d in %#v", + errInconsistentCardinality, expectedNumberOfValues, + len(labels), labels, + ) + } + + for name, val := range labels { + if !utf8.ValidString(val) { + return fmt.Errorf("label %s: value %q is not valid UTF-8", name, val) + } + } + + return nil +} + +func validateLabelValues(vals []string, expectedNumberOfValues int) error { + if len(vals) != expectedNumberOfValues { + return fmt.Errorf( + "%s: expected %d label values but got %d in %#v", + errInconsistentCardinality, expectedNumberOfValues, + len(vals), vals, + ) + } + + for _, val := range vals { + if !utf8.ValidString(val) { + return fmt.Errorf("label value %q is not valid UTF-8", val) + } + } + + return nil +} + +func checkLabelName(l string) bool { + return model.LabelName(l).IsValid() && !strings.HasPrefix(l, reservedLabelPrefix) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/metric.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/metric.go new file mode 100644 index 000000000..35bd8bde3 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/metric.go @@ -0,0 +1,176 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "strings" + "time" + + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + "github.com/prometheus/common/model" + + dto "github.com/prometheus/client_model/go" +) + +var separatorByteSlice = []byte{model.SeparatorByte} // For convenient use with xxhash. + +// A Metric models a single sample value with its meta data being exported to +// Prometheus. Implementations of Metric in this package are Gauge, Counter, +// Histogram, Summary, and Untyped. +type Metric interface { + // Desc returns the descriptor for the Metric. This method idempotently + // returns the same descriptor throughout the lifetime of the + // Metric. The returned descriptor is immutable by contract. A Metric + // unable to describe itself must return an invalid descriptor (created + // with NewInvalidDesc). + Desc() *Desc + // Write encodes the Metric into a "Metric" Protocol Buffer data + // transmission object. + // + // Metric implementations must observe concurrency safety as reads of + // this metric may occur at any time, and any blocking occurs at the + // expense of total performance of rendering all registered + // metrics. Ideally, Metric implementations should support concurrent + // readers. + // + // While populating dto.Metric, it is the responsibility of the + // implementation to ensure validity of the Metric protobuf (like valid + // UTF-8 strings or syntactically valid metric and label names). It is + // recommended to sort labels lexicographically. Callers of Write should + // still make sure of sorting if they depend on it. + Write(*dto.Metric) error + // TODO(beorn7): The original rationale of passing in a pre-allocated + // dto.Metric protobuf to save allocations has disappeared. The + // signature of this method should be changed to "Write() (*dto.Metric, + // error)". +} + +// Opts bundles the options for creating most Metric types. Each metric +// implementation XXX has its own XXXOpts type, but in most cases, it is just be +// an alias of this type (which might change when the requirement arises.) +// +// It is mandatory to set Name to a non-empty string. All other fields are +// optional and can safely be left at their zero value, although it is strongly +// encouraged to set a Help string. +type Opts struct { + // Namespace, Subsystem, and Name are components of the fully-qualified + // name of the Metric (created by joining these components with + // "_"). Only Name is mandatory, the others merely help structuring the + // name. Note that the fully-qualified name of the metric must be a + // valid Prometheus metric name. + Namespace string + Subsystem string + Name string + + // Help provides information about this metric. + // + // Metrics with the same fully-qualified name must have the same Help + // string. + Help string + + // ConstLabels are used to attach fixed labels to this metric. Metrics + // with the same fully-qualified name must have the same label names in + // their ConstLabels. + // + // ConstLabels are only used rarely. In particular, do not use them to + // attach the same labels to all your metrics. Those use cases are + // better covered by target labels set by the scraping Prometheus + // server, or by one specific metric (e.g. a build_info or a + // machine_role metric). See also + // https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels,-not-static-scraped-labels + ConstLabels Labels +} + +// BuildFQName joins the given three name components by "_". Empty name +// components are ignored. If the name parameter itself is empty, an empty +// string is returned, no matter what. Metric implementations included in this +// library use this function internally to generate the fully-qualified metric +// name from the name component in their Opts. Users of the library will only +// need this function if they implement their own Metric or instantiate a Desc +// (with NewDesc) directly. +func BuildFQName(namespace, subsystem, name string) string { + if name == "" { + return "" + } + switch { + case namespace != "" && subsystem != "": + return strings.Join([]string{namespace, subsystem, name}, "_") + case namespace != "": + return strings.Join([]string{namespace, name}, "_") + case subsystem != "": + return strings.Join([]string{subsystem, name}, "_") + } + return name +} + +// labelPairSorter implements sort.Interface. It is used to sort a slice of +// dto.LabelPair pointers. +type labelPairSorter []*dto.LabelPair + +func (s labelPairSorter) Len() int { + return len(s) +} + +func (s labelPairSorter) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +func (s labelPairSorter) Less(i, j int) bool { + return s[i].GetName() < s[j].GetName() +} + +type invalidMetric struct { + desc *Desc + err error +} + +// NewInvalidMetric returns a metric whose Write method always returns the +// provided error. It is useful if a Collector finds itself unable to collect +// a metric and wishes to report an error to the registry. +func NewInvalidMetric(desc *Desc, err error) Metric { + return &invalidMetric{desc, err} +} + +func (m *invalidMetric) Desc() *Desc { return m.desc } + +func (m *invalidMetric) Write(*dto.Metric) error { return m.err } + +type timestampedMetric struct { + Metric + t time.Time +} + +func (m timestampedMetric) Write(pb *dto.Metric) error { + e := m.Metric.Write(pb) + pb.TimestampMs = proto.Int64(m.t.Unix()*1000 + int64(m.t.Nanosecond()/1000000)) + return e +} + +// NewMetricWithTimestamp returns a new Metric wrapping the provided Metric in a +// way that it has an explicit timestamp set to the provided Time. This is only +// useful in rare cases as the timestamp of a Prometheus metric should usually +// be set by the Prometheus server during scraping. Exceptions include mirroring +// metrics with given timestamps from other metric +// sources. +// +// NewMetricWithTimestamp works best with MustNewConstMetric, +// MustNewConstHistogram, and MustNewConstSummary, see example. +// +// Currently, the exposition formats used by Prometheus are limited to +// millisecond resolution. Thus, the provided time will be rounded down to the +// next full millisecond value. +func NewMetricWithTimestamp(t time.Time, m Metric) Metric { + return timestampedMetric{Metric: m, t: t} +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/observer.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/observer.go new file mode 100644 index 000000000..44128016f --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/observer.go @@ -0,0 +1,64 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +// Observer is the interface that wraps the Observe method, which is used by +// Histogram and Summary to add observations. +type Observer interface { + Observe(float64) +} + +// The ObserverFunc type is an adapter to allow the use of ordinary +// functions as Observers. If f is a function with the appropriate +// signature, ObserverFunc(f) is an Observer that calls f. +// +// This adapter is usually used in connection with the Timer type, and there are +// two general use cases: +// +// The most common one is to use a Gauge as the Observer for a Timer. +// See the "Gauge" Timer example. +// +// The more advanced use case is to create a function that dynamically decides +// which Observer to use for observing the duration. See the "Complex" Timer +// example. +type ObserverFunc func(float64) + +// Observe calls f(value). It implements Observer. +func (f ObserverFunc) Observe(value float64) { + f(value) +} + +// ObserverVec is an interface implemented by `HistogramVec` and `SummaryVec`. +type ObserverVec interface { + GetMetricWith(Labels) (Observer, error) + GetMetricWithLabelValues(lvs ...string) (Observer, error) + With(Labels) Observer + WithLabelValues(...string) Observer + CurryWith(Labels) (ObserverVec, error) + MustCurryWith(Labels) ObserverVec + + Collector +} + +// ExemplarObserver is implemented by Observers that offer the option of +// observing a value together with an exemplar. Its ObserveWithExemplar method +// works like the Observe method of an Observer but also replaces the currently +// saved exemplar (if any) with a new one, created from the provided value, the +// current time as timestamp, and the provided Labels. Empty Labels will lead to +// a valid (label-less) exemplar. But if Labels is nil, the current exemplar is +// left in place. ObserveWithExemplar panics if any of the provided labels are +// invalid or if the provided labels contain more than 64 runes in total. +type ExemplarObserver interface { + ObserveWithExemplar(value float64, exemplar Labels) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go new file mode 100644 index 000000000..9b8097942 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go @@ -0,0 +1,151 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "errors" + "os" +) + +type processCollector struct { + collectFn func(chan<- Metric) + pidFn func() (int, error) + reportErrors bool + cpuTotal *Desc + openFDs, maxFDs *Desc + vsize, maxVsize *Desc + rss *Desc + startTime *Desc +} + +// ProcessCollectorOpts defines the behavior of a process metrics collector +// created with NewProcessCollector. +type ProcessCollectorOpts struct { + // PidFn returns the PID of the process the collector collects metrics + // for. It is called upon each collection. By default, the PID of the + // current process is used, as determined on construction time by + // calling os.Getpid(). + PidFn func() (int, error) + // If non-empty, each of the collected metrics is prefixed by the + // provided string and an underscore ("_"). + Namespace string + // If true, any error encountered during collection is reported as an + // invalid metric (see NewInvalidMetric). Otherwise, errors are ignored + // and the collected metrics will be incomplete. (Possibly, no metrics + // will be collected at all.) While that's usually not desired, it is + // appropriate for the common "mix-in" of process metrics, where process + // metrics are nice to have, but failing to collect them should not + // disrupt the collection of the remaining metrics. + ReportErrors bool +} + +// NewProcessCollector returns a collector which exports the current state of +// process metrics including CPU, memory and file descriptor usage as well as +// the process start time. The detailed behavior is defined by the provided +// ProcessCollectorOpts. The zero value of ProcessCollectorOpts creates a +// collector for the current process with an empty namespace string and no error +// reporting. +// +// The collector only works on operating systems with a Linux-style proc +// filesystem and on Microsoft Windows. On other operating systems, it will not +// collect any metrics. +func NewProcessCollector(opts ProcessCollectorOpts) Collector { + ns := "" + if len(opts.Namespace) > 0 { + ns = opts.Namespace + "_" + } + + c := &processCollector{ + reportErrors: opts.ReportErrors, + cpuTotal: NewDesc( + ns+"process_cpu_seconds_total", + "Total user and system CPU time spent in seconds.", + nil, nil, + ), + openFDs: NewDesc( + ns+"process_open_fds", + "Number of open file descriptors.", + nil, nil, + ), + maxFDs: NewDesc( + ns+"process_max_fds", + "Maximum number of open file descriptors.", + nil, nil, + ), + vsize: NewDesc( + ns+"process_virtual_memory_bytes", + "Virtual memory size in bytes.", + nil, nil, + ), + maxVsize: NewDesc( + ns+"process_virtual_memory_max_bytes", + "Maximum amount of virtual memory available in bytes.", + nil, nil, + ), + rss: NewDesc( + ns+"process_resident_memory_bytes", + "Resident memory size in bytes.", + nil, nil, + ), + startTime: NewDesc( + ns+"process_start_time_seconds", + "Start time of the process since unix epoch in seconds.", + nil, nil, + ), + } + + if opts.PidFn == nil { + pid := os.Getpid() + c.pidFn = func() (int, error) { return pid, nil } + } else { + c.pidFn = opts.PidFn + } + + // Set up process metric collection if supported by the runtime. + if canCollectProcess() { + c.collectFn = c.processCollect + } else { + c.collectFn = func(ch chan<- Metric) { + c.reportError(ch, nil, errors.New("process metrics not supported on this platform")) + } + } + + return c +} + +// Describe returns all descriptions of the collector. +func (c *processCollector) Describe(ch chan<- *Desc) { + ch <- c.cpuTotal + ch <- c.openFDs + ch <- c.maxFDs + ch <- c.vsize + ch <- c.maxVsize + ch <- c.rss + ch <- c.startTime +} + +// Collect returns the current state of all metrics of the collector. +func (c *processCollector) Collect(ch chan<- Metric) { + c.collectFn(ch) +} + +func (c *processCollector) reportError(ch chan<- Metric, desc *Desc, err error) { + if !c.reportErrors { + return + } + if desc == nil { + desc = NewInvalidDesc(err) + } + ch <- NewInvalidMetric(desc, err) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go new file mode 100644 index 000000000..3117461cd --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go @@ -0,0 +1,65 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows + +package prometheus + +import ( + "github.com/prometheus/procfs" +) + +func canCollectProcess() bool { + _, err := procfs.NewDefaultFS() + return err == nil +} + +func (c *processCollector) processCollect(ch chan<- Metric) { + pid, err := c.pidFn() + if err != nil { + c.reportError(ch, nil, err) + return + } + + p, err := procfs.NewProc(pid) + if err != nil { + c.reportError(ch, nil, err) + return + } + + if stat, err := p.Stat(); err == nil { + ch <- MustNewConstMetric(c.cpuTotal, CounterValue, stat.CPUTime()) + ch <- MustNewConstMetric(c.vsize, GaugeValue, float64(stat.VirtualMemory())) + ch <- MustNewConstMetric(c.rss, GaugeValue, float64(stat.ResidentMemory())) + if startTime, err := stat.StartTime(); err == nil { + ch <- MustNewConstMetric(c.startTime, GaugeValue, startTime) + } else { + c.reportError(ch, c.startTime, err) + } + } else { + c.reportError(ch, nil, err) + } + + if fds, err := p.FileDescriptorsLen(); err == nil { + ch <- MustNewConstMetric(c.openFDs, GaugeValue, float64(fds)) + } else { + c.reportError(ch, c.openFDs, err) + } + + if limits, err := p.Limits(); err == nil { + ch <- MustNewConstMetric(c.maxFDs, GaugeValue, float64(limits.OpenFiles)) + ch <- MustNewConstMetric(c.maxVsize, GaugeValue, float64(limits.AddressSpace)) + } else { + c.reportError(ch, nil, err) + } +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector_windows.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector_windows.go new file mode 100644 index 000000000..f973398df --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/process_collector_windows.go @@ -0,0 +1,116 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +func canCollectProcess() bool { + return true +} + +var ( + modpsapi = syscall.NewLazyDLL("psapi.dll") + modkernel32 = syscall.NewLazyDLL("kernel32.dll") + + procGetProcessMemoryInfo = modpsapi.NewProc("GetProcessMemoryInfo") + procGetProcessHandleCount = modkernel32.NewProc("GetProcessHandleCount") +) + +type processMemoryCounters struct { + // System interface description + // https://docs.microsoft.com/en-us/windows/desktop/api/psapi/ns-psapi-process_memory_counters_ex + + // Refer to the Golang internal implementation + // https://golang.org/src/internal/syscall/windows/psapi_windows.go + _ uint32 + PageFaultCount uint32 + PeakWorkingSetSize uintptr + WorkingSetSize uintptr + QuotaPeakPagedPoolUsage uintptr + QuotaPagedPoolUsage uintptr + QuotaPeakNonPagedPoolUsage uintptr + QuotaNonPagedPoolUsage uintptr + PagefileUsage uintptr + PeakPagefileUsage uintptr + PrivateUsage uintptr +} + +func getProcessMemoryInfo(handle windows.Handle) (processMemoryCounters, error) { + mem := processMemoryCounters{} + r1, _, err := procGetProcessMemoryInfo.Call( + uintptr(handle), + uintptr(unsafe.Pointer(&mem)), + uintptr(unsafe.Sizeof(mem)), + ) + if r1 != 1 { + return mem, err + } else { + return mem, nil + } +} + +func getProcessHandleCount(handle windows.Handle) (uint32, error) { + var count uint32 + r1, _, err := procGetProcessHandleCount.Call( + uintptr(handle), + uintptr(unsafe.Pointer(&count)), + ) + if r1 != 1 { + return 0, err + } else { + return count, nil + } +} + +func (c *processCollector) processCollect(ch chan<- Metric) { + h, err := windows.GetCurrentProcess() + if err != nil { + c.reportError(ch, nil, err) + return + } + + var startTime, exitTime, kernelTime, userTime windows.Filetime + err = windows.GetProcessTimes(h, &startTime, &exitTime, &kernelTime, &userTime) + if err != nil { + c.reportError(ch, nil, err) + return + } + ch <- MustNewConstMetric(c.startTime, GaugeValue, float64(startTime.Nanoseconds()/1e9)) + ch <- MustNewConstMetric(c.cpuTotal, CounterValue, fileTimeToSeconds(kernelTime)+fileTimeToSeconds(userTime)) + + mem, err := getProcessMemoryInfo(h) + if err != nil { + c.reportError(ch, nil, err) + return + } + ch <- MustNewConstMetric(c.vsize, GaugeValue, float64(mem.PrivateUsage)) + ch <- MustNewConstMetric(c.rss, GaugeValue, float64(mem.WorkingSetSize)) + + handles, err := getProcessHandleCount(h) + if err != nil { + c.reportError(ch, nil, err) + return + } + ch <- MustNewConstMetric(c.openFDs, GaugeValue, float64(handles)) + ch <- MustNewConstMetric(c.maxFDs, GaugeValue, float64(16*1024*1024)) // Windows has a hard-coded max limit, not per-process. +} + +func fileTimeToSeconds(ft windows.Filetime) float64 { + return float64(uint64(ft.HighDateTime)<<32+uint64(ft.LowDateTime)) / 1e7 +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go new file mode 100644 index 000000000..5070e72e2 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go @@ -0,0 +1,370 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package promhttp + +import ( + "bufio" + "io" + "net" + "net/http" +) + +const ( + closeNotifier = 1 << iota + flusher + hijacker + readerFrom + pusher +) + +type delegator interface { + http.ResponseWriter + + Status() int + Written() int64 +} + +type responseWriterDelegator struct { + http.ResponseWriter + + status int + written int64 + wroteHeader bool + observeWriteHeader func(int) +} + +func (r *responseWriterDelegator) Status() int { + return r.status +} + +func (r *responseWriterDelegator) Written() int64 { + return r.written +} + +func (r *responseWriterDelegator) WriteHeader(code int) { + if r.observeWriteHeader != nil && !r.wroteHeader { + // Only call observeWriteHeader for the 1st time. It's a bug if + // WriteHeader is called more than once, but we want to protect + // against it here. Note that we still delegate the WriteHeader + // to the original ResponseWriter to not mask the bug from it. + r.observeWriteHeader(code) + } + r.status = code + r.wroteHeader = true + r.ResponseWriter.WriteHeader(code) +} + +func (r *responseWriterDelegator) Write(b []byte) (int, error) { + // If applicable, call WriteHeader here so that observeWriteHeader is + // handled appropriately. + if !r.wroteHeader { + r.WriteHeader(http.StatusOK) + } + n, err := r.ResponseWriter.Write(b) + r.written += int64(n) + return n, err +} + +type closeNotifierDelegator struct{ *responseWriterDelegator } +type flusherDelegator struct{ *responseWriterDelegator } +type hijackerDelegator struct{ *responseWriterDelegator } +type readerFromDelegator struct{ *responseWriterDelegator } +type pusherDelegator struct{ *responseWriterDelegator } + +func (d closeNotifierDelegator) CloseNotify() <-chan bool { + //lint:ignore SA1019 http.CloseNotifier is deprecated but we don't want to + //remove support from client_golang yet. + return d.ResponseWriter.(http.CloseNotifier).CloseNotify() +} +func (d flusherDelegator) Flush() { + // If applicable, call WriteHeader here so that observeWriteHeader is + // handled appropriately. + if !d.wroteHeader { + d.WriteHeader(http.StatusOK) + } + d.ResponseWriter.(http.Flusher).Flush() +} +func (d hijackerDelegator) Hijack() (net.Conn, *bufio.ReadWriter, error) { + return d.ResponseWriter.(http.Hijacker).Hijack() +} +func (d readerFromDelegator) ReadFrom(re io.Reader) (int64, error) { + // If applicable, call WriteHeader here so that observeWriteHeader is + // handled appropriately. + if !d.wroteHeader { + d.WriteHeader(http.StatusOK) + } + n, err := d.ResponseWriter.(io.ReaderFrom).ReadFrom(re) + d.written += n + return n, err +} +func (d pusherDelegator) Push(target string, opts *http.PushOptions) error { + return d.ResponseWriter.(http.Pusher).Push(target, opts) +} + +var pickDelegator = make([]func(*responseWriterDelegator) delegator, 32) + +func init() { + // TODO(beorn7): Code generation would help here. + pickDelegator[0] = func(d *responseWriterDelegator) delegator { // 0 + return d + } + pickDelegator[closeNotifier] = func(d *responseWriterDelegator) delegator { // 1 + return closeNotifierDelegator{d} + } + pickDelegator[flusher] = func(d *responseWriterDelegator) delegator { // 2 + return flusherDelegator{d} + } + pickDelegator[flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 3 + return struct { + *responseWriterDelegator + http.Flusher + http.CloseNotifier + }{d, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[hijacker] = func(d *responseWriterDelegator) delegator { // 4 + return hijackerDelegator{d} + } + pickDelegator[hijacker+closeNotifier] = func(d *responseWriterDelegator) delegator { // 5 + return struct { + *responseWriterDelegator + http.Hijacker + http.CloseNotifier + }{d, hijackerDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[hijacker+flusher] = func(d *responseWriterDelegator) delegator { // 6 + return struct { + *responseWriterDelegator + http.Hijacker + http.Flusher + }{d, hijackerDelegator{d}, flusherDelegator{d}} + } + pickDelegator[hijacker+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 7 + return struct { + *responseWriterDelegator + http.Hijacker + http.Flusher + http.CloseNotifier + }{d, hijackerDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[readerFrom] = func(d *responseWriterDelegator) delegator { // 8 + return readerFromDelegator{d} + } + pickDelegator[readerFrom+closeNotifier] = func(d *responseWriterDelegator) delegator { // 9 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.CloseNotifier + }{d, readerFromDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[readerFrom+flusher] = func(d *responseWriterDelegator) delegator { // 10 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.Flusher + }{d, readerFromDelegator{d}, flusherDelegator{d}} + } + pickDelegator[readerFrom+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 11 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.Flusher + http.CloseNotifier + }{d, readerFromDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[readerFrom+hijacker] = func(d *responseWriterDelegator) delegator { // 12 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.Hijacker + }{d, readerFromDelegator{d}, hijackerDelegator{d}} + } + pickDelegator[readerFrom+hijacker+closeNotifier] = func(d *responseWriterDelegator) delegator { // 13 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.Hijacker + http.CloseNotifier + }{d, readerFromDelegator{d}, hijackerDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[readerFrom+hijacker+flusher] = func(d *responseWriterDelegator) delegator { // 14 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.Hijacker + http.Flusher + }{d, readerFromDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}} + } + pickDelegator[readerFrom+hijacker+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 15 + return struct { + *responseWriterDelegator + io.ReaderFrom + http.Hijacker + http.Flusher + http.CloseNotifier + }{d, readerFromDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher] = func(d *responseWriterDelegator) delegator { // 16 + return pusherDelegator{d} + } + pickDelegator[pusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 17 + return struct { + *responseWriterDelegator + http.Pusher + http.CloseNotifier + }{d, pusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+flusher] = func(d *responseWriterDelegator) delegator { // 18 + return struct { + *responseWriterDelegator + http.Pusher + http.Flusher + }{d, pusherDelegator{d}, flusherDelegator{d}} + } + pickDelegator[pusher+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 19 + return struct { + *responseWriterDelegator + http.Pusher + http.Flusher + http.CloseNotifier + }{d, pusherDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+hijacker] = func(d *responseWriterDelegator) delegator { // 20 + return struct { + *responseWriterDelegator + http.Pusher + http.Hijacker + }{d, pusherDelegator{d}, hijackerDelegator{d}} + } + pickDelegator[pusher+hijacker+closeNotifier] = func(d *responseWriterDelegator) delegator { // 21 + return struct { + *responseWriterDelegator + http.Pusher + http.Hijacker + http.CloseNotifier + }{d, pusherDelegator{d}, hijackerDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+hijacker+flusher] = func(d *responseWriterDelegator) delegator { // 22 + return struct { + *responseWriterDelegator + http.Pusher + http.Hijacker + http.Flusher + }{d, pusherDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}} + } + pickDelegator[pusher+hijacker+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { //23 + return struct { + *responseWriterDelegator + http.Pusher + http.Hijacker + http.Flusher + http.CloseNotifier + }{d, pusherDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+readerFrom] = func(d *responseWriterDelegator) delegator { // 24 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + }{d, pusherDelegator{d}, readerFromDelegator{d}} + } + pickDelegator[pusher+readerFrom+closeNotifier] = func(d *responseWriterDelegator) delegator { // 25 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.CloseNotifier + }{d, pusherDelegator{d}, readerFromDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+readerFrom+flusher] = func(d *responseWriterDelegator) delegator { // 26 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.Flusher + }{d, pusherDelegator{d}, readerFromDelegator{d}, flusherDelegator{d}} + } + pickDelegator[pusher+readerFrom+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 27 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.Flusher + http.CloseNotifier + }{d, pusherDelegator{d}, readerFromDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+readerFrom+hijacker] = func(d *responseWriterDelegator) delegator { // 28 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.Hijacker + }{d, pusherDelegator{d}, readerFromDelegator{d}, hijackerDelegator{d}} + } + pickDelegator[pusher+readerFrom+hijacker+closeNotifier] = func(d *responseWriterDelegator) delegator { // 29 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.Hijacker + http.CloseNotifier + }{d, pusherDelegator{d}, readerFromDelegator{d}, hijackerDelegator{d}, closeNotifierDelegator{d}} + } + pickDelegator[pusher+readerFrom+hijacker+flusher] = func(d *responseWriterDelegator) delegator { // 30 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.Hijacker + http.Flusher + }{d, pusherDelegator{d}, readerFromDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}} + } + pickDelegator[pusher+readerFrom+hijacker+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 31 + return struct { + *responseWriterDelegator + http.Pusher + io.ReaderFrom + http.Hijacker + http.Flusher + http.CloseNotifier + }{d, pusherDelegator{d}, readerFromDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}, closeNotifierDelegator{d}} + } +} + +func newDelegator(w http.ResponseWriter, observeWriteHeaderFunc func(int)) delegator { + d := &responseWriterDelegator{ + ResponseWriter: w, + observeWriteHeader: observeWriteHeaderFunc, + } + + id := 0 + //lint:ignore SA1019 http.CloseNotifier is deprecated but we don't want to + //remove support from client_golang yet. + if _, ok := w.(http.CloseNotifier); ok { + id += closeNotifier + } + if _, ok := w.(http.Flusher); ok { + id += flusher + } + if _, ok := w.(http.Hijacker); ok { + id += hijacker + } + if _, ok := w.(io.ReaderFrom); ok { + id += readerFrom + } + if _, ok := w.(http.Pusher); ok { + id += pusher + } + + return pickDelegator[id](d) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go new file mode 100644 index 000000000..5e1c4546c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go @@ -0,0 +1,379 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package promhttp provides tooling around HTTP servers and clients. +// +// First, the package allows the creation of http.Handler instances to expose +// Prometheus metrics via HTTP. promhttp.Handler acts on the +// prometheus.DefaultGatherer. With HandlerFor, you can create a handler for a +// custom registry or anything that implements the Gatherer interface. It also +// allows the creation of handlers that act differently on errors or allow to +// log errors. +// +// Second, the package provides tooling to instrument instances of http.Handler +// via middleware. Middleware wrappers follow the naming scheme +// InstrumentHandlerX, where X describes the intended use of the middleware. +// See each function's doc comment for specific details. +// +// Finally, the package allows for an http.RoundTripper to be instrumented via +// middleware. Middleware wrappers follow the naming scheme +// InstrumentRoundTripperX, where X describes the intended use of the +// middleware. See each function's doc comment for specific details. +package promhttp + +import ( + "compress/gzip" + "fmt" + "io" + "net/http" + "strings" + "sync" + "time" + + "github.com/prometheus/common/expfmt" + + "github.com/prometheus/client_golang/prometheus" +) + +const ( + contentTypeHeader = "Content-Type" + contentEncodingHeader = "Content-Encoding" + acceptEncodingHeader = "Accept-Encoding" +) + +var gzipPool = sync.Pool{ + New: func() interface{} { + return gzip.NewWriter(nil) + }, +} + +// Handler returns an http.Handler for the prometheus.DefaultGatherer, using +// default HandlerOpts, i.e. it reports the first error as an HTTP error, it has +// no error logging, and it applies compression if requested by the client. +// +// The returned http.Handler is already instrumented using the +// InstrumentMetricHandler function and the prometheus.DefaultRegisterer. If you +// create multiple http.Handlers by separate calls of the Handler function, the +// metrics used for instrumentation will be shared between them, providing +// global scrape counts. +// +// This function is meant to cover the bulk of basic use cases. If you are doing +// anything that requires more customization (including using a non-default +// Gatherer, different instrumentation, and non-default HandlerOpts), use the +// HandlerFor function. See there for details. +func Handler() http.Handler { + return InstrumentMetricHandler( + prometheus.DefaultRegisterer, HandlerFor(prometheus.DefaultGatherer, HandlerOpts{}), + ) +} + +// HandlerFor returns an uninstrumented http.Handler for the provided +// Gatherer. The behavior of the Handler is defined by the provided +// HandlerOpts. Thus, HandlerFor is useful to create http.Handlers for custom +// Gatherers, with non-default HandlerOpts, and/or with custom (or no) +// instrumentation. Use the InstrumentMetricHandler function to apply the same +// kind of instrumentation as it is used by the Handler function. +func HandlerFor(reg prometheus.Gatherer, opts HandlerOpts) http.Handler { + var ( + inFlightSem chan struct{} + errCnt = prometheus.NewCounterVec( + prometheus.CounterOpts{ + Name: "promhttp_metric_handler_errors_total", + Help: "Total number of internal errors encountered by the promhttp metric handler.", + }, + []string{"cause"}, + ) + ) + + if opts.MaxRequestsInFlight > 0 { + inFlightSem = make(chan struct{}, opts.MaxRequestsInFlight) + } + if opts.Registry != nil { + // Initialize all possibilites that can occur below. + errCnt.WithLabelValues("gathering") + errCnt.WithLabelValues("encoding") + if err := opts.Registry.Register(errCnt); err != nil { + if are, ok := err.(prometheus.AlreadyRegisteredError); ok { + errCnt = are.ExistingCollector.(*prometheus.CounterVec) + } else { + panic(err) + } + } + } + + h := http.HandlerFunc(func(rsp http.ResponseWriter, req *http.Request) { + if inFlightSem != nil { + select { + case inFlightSem <- struct{}{}: // All good, carry on. + defer func() { <-inFlightSem }() + default: + http.Error(rsp, fmt.Sprintf( + "Limit of concurrent requests reached (%d), try again later.", opts.MaxRequestsInFlight, + ), http.StatusServiceUnavailable) + return + } + } + mfs, err := reg.Gather() + if err != nil { + if opts.ErrorLog != nil { + opts.ErrorLog.Println("error gathering metrics:", err) + } + errCnt.WithLabelValues("gathering").Inc() + switch opts.ErrorHandling { + case PanicOnError: + panic(err) + case ContinueOnError: + if len(mfs) == 0 { + // Still report the error if no metrics have been gathered. + httpError(rsp, err) + return + } + case HTTPErrorOnError: + httpError(rsp, err) + return + } + } + + var contentType expfmt.Format + if opts.EnableOpenMetrics { + contentType = expfmt.NegotiateIncludingOpenMetrics(req.Header) + } else { + contentType = expfmt.Negotiate(req.Header) + } + header := rsp.Header() + header.Set(contentTypeHeader, string(contentType)) + + w := io.Writer(rsp) + if !opts.DisableCompression && gzipAccepted(req.Header) { + header.Set(contentEncodingHeader, "gzip") + gz := gzipPool.Get().(*gzip.Writer) + defer gzipPool.Put(gz) + + gz.Reset(w) + defer gz.Close() + + w = gz + } + + enc := expfmt.NewEncoder(w, contentType) + + // handleError handles the error according to opts.ErrorHandling + // and returns true if we have to abort after the handling. + handleError := func(err error) bool { + if err == nil { + return false + } + if opts.ErrorLog != nil { + opts.ErrorLog.Println("error encoding and sending metric family:", err) + } + errCnt.WithLabelValues("encoding").Inc() + switch opts.ErrorHandling { + case PanicOnError: + panic(err) + case HTTPErrorOnError: + // We cannot really send an HTTP error at this + // point because we most likely have written + // something to rsp already. But at least we can + // stop sending. + return true + } + // Do nothing in all other cases, including ContinueOnError. + return false + } + + for _, mf := range mfs { + if handleError(enc.Encode(mf)) { + return + } + } + if closer, ok := enc.(expfmt.Closer); ok { + // This in particular takes care of the final "# EOF\n" line for OpenMetrics. + if handleError(closer.Close()) { + return + } + } + }) + + if opts.Timeout <= 0 { + return h + } + return http.TimeoutHandler(h, opts.Timeout, fmt.Sprintf( + "Exceeded configured timeout of %v.\n", + opts.Timeout, + )) +} + +// InstrumentMetricHandler is usually used with an http.Handler returned by the +// HandlerFor function. It instruments the provided http.Handler with two +// metrics: A counter vector "promhttp_metric_handler_requests_total" to count +// scrapes partitioned by HTTP status code, and a gauge +// "promhttp_metric_handler_requests_in_flight" to track the number of +// simultaneous scrapes. This function idempotently registers collectors for +// both metrics with the provided Registerer. It panics if the registration +// fails. The provided metrics are useful to see how many scrapes hit the +// monitored target (which could be from different Prometheus servers or other +// scrapers), and how often they overlap (which would result in more than one +// scrape in flight at the same time). Note that the scrapes-in-flight gauge +// will contain the scrape by which it is exposed, while the scrape counter will +// only get incremented after the scrape is complete (as only then the status +// code is known). For tracking scrape durations, use the +// "scrape_duration_seconds" gauge created by the Prometheus server upon each +// scrape. +func InstrumentMetricHandler(reg prometheus.Registerer, handler http.Handler) http.Handler { + cnt := prometheus.NewCounterVec( + prometheus.CounterOpts{ + Name: "promhttp_metric_handler_requests_total", + Help: "Total number of scrapes by HTTP status code.", + }, + []string{"code"}, + ) + // Initialize the most likely HTTP status codes. + cnt.WithLabelValues("200") + cnt.WithLabelValues("500") + cnt.WithLabelValues("503") + if err := reg.Register(cnt); err != nil { + if are, ok := err.(prometheus.AlreadyRegisteredError); ok { + cnt = are.ExistingCollector.(*prometheus.CounterVec) + } else { + panic(err) + } + } + + gge := prometheus.NewGauge(prometheus.GaugeOpts{ + Name: "promhttp_metric_handler_requests_in_flight", + Help: "Current number of scrapes being served.", + }) + if err := reg.Register(gge); err != nil { + if are, ok := err.(prometheus.AlreadyRegisteredError); ok { + gge = are.ExistingCollector.(prometheus.Gauge) + } else { + panic(err) + } + } + + return InstrumentHandlerCounter(cnt, InstrumentHandlerInFlight(gge, handler)) +} + +// HandlerErrorHandling defines how a Handler serving metrics will handle +// errors. +type HandlerErrorHandling int + +// These constants cause handlers serving metrics to behave as described if +// errors are encountered. +const ( + // Serve an HTTP status code 500 upon the first error + // encountered. Report the error message in the body. Note that HTTP + // errors cannot be served anymore once the beginning of a regular + // payload has been sent. Thus, in the (unlikely) case that encoding the + // payload into the negotiated wire format fails, serving the response + // will simply be aborted. Set an ErrorLog in HandlerOpts to detect + // those errors. + HTTPErrorOnError HandlerErrorHandling = iota + // Ignore errors and try to serve as many metrics as possible. However, + // if no metrics can be served, serve an HTTP status code 500 and the + // last error message in the body. Only use this in deliberate "best + // effort" metrics collection scenarios. In this case, it is highly + // recommended to provide other means of detecting errors: By setting an + // ErrorLog in HandlerOpts, the errors are logged. By providing a + // Registry in HandlerOpts, the exposed metrics include an error counter + // "promhttp_metric_handler_errors_total", which can be used for + // alerts. + ContinueOnError + // Panic upon the first error encountered (useful for "crash only" apps). + PanicOnError +) + +// Logger is the minimal interface HandlerOpts needs for logging. Note that +// log.Logger from the standard library implements this interface, and it is +// easy to implement by custom loggers, if they don't do so already anyway. +type Logger interface { + Println(v ...interface{}) +} + +// HandlerOpts specifies options how to serve metrics via an http.Handler. The +// zero value of HandlerOpts is a reasonable default. +type HandlerOpts struct { + // ErrorLog specifies an optional logger for errors collecting and + // serving metrics. If nil, errors are not logged at all. + ErrorLog Logger + // ErrorHandling defines how errors are handled. Note that errors are + // logged regardless of the configured ErrorHandling provided ErrorLog + // is not nil. + ErrorHandling HandlerErrorHandling + // If Registry is not nil, it is used to register a metric + // "promhttp_metric_handler_errors_total", partitioned by "cause". A + // failed registration causes a panic. Note that this error counter is + // different from the instrumentation you get from the various + // InstrumentHandler... helpers. It counts errors that don't necessarily + // result in a non-2xx HTTP status code. There are two typical cases: + // (1) Encoding errors that only happen after streaming of the HTTP body + // has already started (and the status code 200 has been sent). This + // should only happen with custom collectors. (2) Collection errors with + // no effect on the HTTP status code because ErrorHandling is set to + // ContinueOnError. + Registry prometheus.Registerer + // If DisableCompression is true, the handler will never compress the + // response, even if requested by the client. + DisableCompression bool + // The number of concurrent HTTP requests is limited to + // MaxRequestsInFlight. Additional requests are responded to with 503 + // Service Unavailable and a suitable message in the body. If + // MaxRequestsInFlight is 0 or negative, no limit is applied. + MaxRequestsInFlight int + // If handling a request takes longer than Timeout, it is responded to + // with 503 ServiceUnavailable and a suitable Message. No timeout is + // applied if Timeout is 0 or negative. Note that with the current + // implementation, reaching the timeout simply ends the HTTP requests as + // described above (and even that only if sending of the body hasn't + // started yet), while the bulk work of gathering all the metrics keeps + // running in the background (with the eventual result to be thrown + // away). Until the implementation is improved, it is recommended to + // implement a separate timeout in potentially slow Collectors. + Timeout time.Duration + // If true, the experimental OpenMetrics encoding is added to the + // possible options during content negotiation. Note that Prometheus + // 2.5.0+ will negotiate OpenMetrics as first priority. OpenMetrics is + // the only way to transmit exemplars. However, the move to OpenMetrics + // is not completely transparent. Most notably, the values of "quantile" + // labels of Summaries and "le" labels of Histograms are formatted with + // a trailing ".0" if they would otherwise look like integer numbers + // (which changes the identity of the resulting series on the Prometheus + // server). + EnableOpenMetrics bool +} + +// gzipAccepted returns whether the client will accept gzip-encoded content. +func gzipAccepted(header http.Header) bool { + a := header.Get(acceptEncodingHeader) + parts := strings.Split(a, ",") + for _, part := range parts { + part = strings.TrimSpace(part) + if part == "gzip" || strings.HasPrefix(part, "gzip;") { + return true + } + } + return false +} + +// httpError removes any content-encoding header and then calls http.Error with +// the provided error and http.StatusInternalServerError. Error contents is +// supposed to be uncompressed plain text. Same as with a plain http.Error, this +// must not be called if the header or any payload has already been sent. +func httpError(rsp http.ResponseWriter, err error) { + rsp.Header().Del(contentEncodingHeader) + http.Error( + rsp, + "An error has occurred while serving metrics:\n\n"+err.Error(), + http.StatusInternalServerError, + ) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go new file mode 100644 index 000000000..83c49b66a --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go @@ -0,0 +1,219 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package promhttp + +import ( + "crypto/tls" + "net/http" + "net/http/httptrace" + "time" + + "github.com/prometheus/client_golang/prometheus" +) + +// The RoundTripperFunc type is an adapter to allow the use of ordinary +// functions as RoundTrippers. If f is a function with the appropriate +// signature, RountTripperFunc(f) is a RoundTripper that calls f. +type RoundTripperFunc func(req *http.Request) (*http.Response, error) + +// RoundTrip implements the RoundTripper interface. +func (rt RoundTripperFunc) RoundTrip(r *http.Request) (*http.Response, error) { + return rt(r) +} + +// InstrumentRoundTripperInFlight is a middleware that wraps the provided +// http.RoundTripper. It sets the provided prometheus.Gauge to the number of +// requests currently handled by the wrapped http.RoundTripper. +// +// See the example for ExampleInstrumentRoundTripperDuration for example usage. +func InstrumentRoundTripperInFlight(gauge prometheus.Gauge, next http.RoundTripper) RoundTripperFunc { + return RoundTripperFunc(func(r *http.Request) (*http.Response, error) { + gauge.Inc() + defer gauge.Dec() + return next.RoundTrip(r) + }) +} + +// InstrumentRoundTripperCounter is a middleware that wraps the provided +// http.RoundTripper to observe the request result with the provided CounterVec. +// The CounterVec must have zero, one, or two non-const non-curried labels. For +// those, the only allowed label names are "code" and "method". The function +// panics otherwise. Partitioning of the CounterVec happens by HTTP status code +// and/or HTTP method if the respective instance label names are present in the +// CounterVec. For unpartitioned counting, use a CounterVec with zero labels. +// +// If the wrapped RoundTripper panics or returns a non-nil error, the Counter +// is not incremented. +// +// See the example for ExampleInstrumentRoundTripperDuration for example usage. +func InstrumentRoundTripperCounter(counter *prometheus.CounterVec, next http.RoundTripper) RoundTripperFunc { + code, method := checkLabels(counter) + + return RoundTripperFunc(func(r *http.Request) (*http.Response, error) { + resp, err := next.RoundTrip(r) + if err == nil { + counter.With(labels(code, method, r.Method, resp.StatusCode)).Inc() + } + return resp, err + }) +} + +// InstrumentRoundTripperDuration is a middleware that wraps the provided +// http.RoundTripper to observe the request duration with the provided +// ObserverVec. The ObserverVec must have zero, one, or two non-const +// non-curried labels. For those, the only allowed label names are "code" and +// "method". The function panics otherwise. The Observe method of the Observer +// in the ObserverVec is called with the request duration in +// seconds. Partitioning happens by HTTP status code and/or HTTP method if the +// respective instance label names are present in the ObserverVec. For +// unpartitioned observations, use an ObserverVec with zero labels. Note that +// partitioning of Histograms is expensive and should be used judiciously. +// +// If the wrapped RoundTripper panics or returns a non-nil error, no values are +// reported. +// +// Note that this method is only guaranteed to never observe negative durations +// if used with Go1.9+. +func InstrumentRoundTripperDuration(obs prometheus.ObserverVec, next http.RoundTripper) RoundTripperFunc { + code, method := checkLabels(obs) + + return RoundTripperFunc(func(r *http.Request) (*http.Response, error) { + start := time.Now() + resp, err := next.RoundTrip(r) + if err == nil { + obs.With(labels(code, method, r.Method, resp.StatusCode)).Observe(time.Since(start).Seconds()) + } + return resp, err + }) +} + +// InstrumentTrace is used to offer flexibility in instrumenting the available +// httptrace.ClientTrace hook functions. Each function is passed a float64 +// representing the time in seconds since the start of the http request. A user +// may choose to use separately buckets Histograms, or implement custom +// instance labels on a per function basis. +type InstrumentTrace struct { + GotConn func(float64) + PutIdleConn func(float64) + GotFirstResponseByte func(float64) + Got100Continue func(float64) + DNSStart func(float64) + DNSDone func(float64) + ConnectStart func(float64) + ConnectDone func(float64) + TLSHandshakeStart func(float64) + TLSHandshakeDone func(float64) + WroteHeaders func(float64) + Wait100Continue func(float64) + WroteRequest func(float64) +} + +// InstrumentRoundTripperTrace is a middleware that wraps the provided +// RoundTripper and reports times to hook functions provided in the +// InstrumentTrace struct. Hook functions that are not present in the provided +// InstrumentTrace struct are ignored. Times reported to the hook functions are +// time since the start of the request. Only with Go1.9+, those times are +// guaranteed to never be negative. (Earlier Go versions are not using a +// monotonic clock.) Note that partitioning of Histograms is expensive and +// should be used judiciously. +// +// For hook functions that receive an error as an argument, no observations are +// made in the event of a non-nil error value. +// +// See the example for ExampleInstrumentRoundTripperDuration for example usage. +func InstrumentRoundTripperTrace(it *InstrumentTrace, next http.RoundTripper) RoundTripperFunc { + return RoundTripperFunc(func(r *http.Request) (*http.Response, error) { + start := time.Now() + + trace := &httptrace.ClientTrace{ + GotConn: func(_ httptrace.GotConnInfo) { + if it.GotConn != nil { + it.GotConn(time.Since(start).Seconds()) + } + }, + PutIdleConn: func(err error) { + if err != nil { + return + } + if it.PutIdleConn != nil { + it.PutIdleConn(time.Since(start).Seconds()) + } + }, + DNSStart: func(_ httptrace.DNSStartInfo) { + if it.DNSStart != nil { + it.DNSStart(time.Since(start).Seconds()) + } + }, + DNSDone: func(_ httptrace.DNSDoneInfo) { + if it.DNSDone != nil { + it.DNSDone(time.Since(start).Seconds()) + } + }, + ConnectStart: func(_, _ string) { + if it.ConnectStart != nil { + it.ConnectStart(time.Since(start).Seconds()) + } + }, + ConnectDone: func(_, _ string, err error) { + if err != nil { + return + } + if it.ConnectDone != nil { + it.ConnectDone(time.Since(start).Seconds()) + } + }, + GotFirstResponseByte: func() { + if it.GotFirstResponseByte != nil { + it.GotFirstResponseByte(time.Since(start).Seconds()) + } + }, + Got100Continue: func() { + if it.Got100Continue != nil { + it.Got100Continue(time.Since(start).Seconds()) + } + }, + TLSHandshakeStart: func() { + if it.TLSHandshakeStart != nil { + it.TLSHandshakeStart(time.Since(start).Seconds()) + } + }, + TLSHandshakeDone: func(_ tls.ConnectionState, err error) { + if err != nil { + return + } + if it.TLSHandshakeDone != nil { + it.TLSHandshakeDone(time.Since(start).Seconds()) + } + }, + WroteHeaders: func() { + if it.WroteHeaders != nil { + it.WroteHeaders(time.Since(start).Seconds()) + } + }, + Wait100Continue: func() { + if it.Wait100Continue != nil { + it.Wait100Continue(time.Since(start).Seconds()) + } + }, + WroteRequest: func(_ httptrace.WroteRequestInfo) { + if it.WroteRequest != nil { + it.WroteRequest(time.Since(start).Seconds()) + } + }, + } + r = r.WithContext(httptrace.WithClientTrace(r.Context(), trace)) + + return next.RoundTrip(r) + }) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go new file mode 100644 index 000000000..9db243805 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go @@ -0,0 +1,447 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package promhttp + +import ( + "errors" + "net/http" + "strconv" + "strings" + "time" + + dto "github.com/prometheus/client_model/go" + + "github.com/prometheus/client_golang/prometheus" +) + +// magicString is used for the hacky label test in checkLabels. Remove once fixed. +const magicString = "zZgWfBxLqvG8kc8IMv3POi2Bb0tZI3vAnBx+gBaFi9FyPzB/CzKUer1yufDa" + +// InstrumentHandlerInFlight is a middleware that wraps the provided +// http.Handler. It sets the provided prometheus.Gauge to the number of +// requests currently handled by the wrapped http.Handler. +// +// See the example for InstrumentHandlerDuration for example usage. +func InstrumentHandlerInFlight(g prometheus.Gauge, next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + g.Inc() + defer g.Dec() + next.ServeHTTP(w, r) + }) +} + +// InstrumentHandlerDuration is a middleware that wraps the provided +// http.Handler to observe the request duration with the provided ObserverVec. +// The ObserverVec must have zero, one, or two non-const non-curried labels. For +// those, the only allowed label names are "code" and "method". The function +// panics otherwise. The Observe method of the Observer in the ObserverVec is +// called with the request duration in seconds. Partitioning happens by HTTP +// status code and/or HTTP method if the respective instance label names are +// present in the ObserverVec. For unpartitioned observations, use an +// ObserverVec with zero labels. Note that partitioning of Histograms is +// expensive and should be used judiciously. +// +// If the wrapped Handler does not set a status code, a status code of 200 is assumed. +// +// If the wrapped Handler panics, no values are reported. +// +// Note that this method is only guaranteed to never observe negative durations +// if used with Go1.9+. +func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler) http.HandlerFunc { + code, method := checkLabels(obs) + + if code { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + now := time.Now() + d := newDelegator(w, nil) + next.ServeHTTP(d, r) + + obs.With(labels(code, method, r.Method, d.Status())).Observe(time.Since(now).Seconds()) + }) + } + + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + now := time.Now() + next.ServeHTTP(w, r) + obs.With(labels(code, method, r.Method, 0)).Observe(time.Since(now).Seconds()) + }) +} + +// InstrumentHandlerCounter is a middleware that wraps the provided http.Handler +// to observe the request result with the provided CounterVec. The CounterVec +// must have zero, one, or two non-const non-curried labels. For those, the only +// allowed label names are "code" and "method". The function panics +// otherwise. Partitioning of the CounterVec happens by HTTP status code and/or +// HTTP method if the respective instance label names are present in the +// CounterVec. For unpartitioned counting, use a CounterVec with zero labels. +// +// If the wrapped Handler does not set a status code, a status code of 200 is assumed. +// +// If the wrapped Handler panics, the Counter is not incremented. +// +// See the example for InstrumentHandlerDuration for example usage. +func InstrumentHandlerCounter(counter *prometheus.CounterVec, next http.Handler) http.HandlerFunc { + code, method := checkLabels(counter) + + if code { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + d := newDelegator(w, nil) + next.ServeHTTP(d, r) + counter.With(labels(code, method, r.Method, d.Status())).Inc() + }) + } + + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + next.ServeHTTP(w, r) + counter.With(labels(code, method, r.Method, 0)).Inc() + }) +} + +// InstrumentHandlerTimeToWriteHeader is a middleware that wraps the provided +// http.Handler to observe with the provided ObserverVec the request duration +// until the response headers are written. The ObserverVec must have zero, one, +// or two non-const non-curried labels. For those, the only allowed label names +// are "code" and "method". The function panics otherwise. The Observe method of +// the Observer in the ObserverVec is called with the request duration in +// seconds. Partitioning happens by HTTP status code and/or HTTP method if the +// respective instance label names are present in the ObserverVec. For +// unpartitioned observations, use an ObserverVec with zero labels. Note that +// partitioning of Histograms is expensive and should be used judiciously. +// +// If the wrapped Handler panics before calling WriteHeader, no value is +// reported. +// +// Note that this method is only guaranteed to never observe negative durations +// if used with Go1.9+. +// +// See the example for InstrumentHandlerDuration for example usage. +func InstrumentHandlerTimeToWriteHeader(obs prometheus.ObserverVec, next http.Handler) http.HandlerFunc { + code, method := checkLabels(obs) + + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + now := time.Now() + d := newDelegator(w, func(status int) { + obs.With(labels(code, method, r.Method, status)).Observe(time.Since(now).Seconds()) + }) + next.ServeHTTP(d, r) + }) +} + +// InstrumentHandlerRequestSize is a middleware that wraps the provided +// http.Handler to observe the request size with the provided ObserverVec. The +// ObserverVec must have zero, one, or two non-const non-curried labels. For +// those, the only allowed label names are "code" and "method". The function +// panics otherwise. The Observe method of the Observer in the ObserverVec is +// called with the request size in bytes. Partitioning happens by HTTP status +// code and/or HTTP method if the respective instance label names are present in +// the ObserverVec. For unpartitioned observations, use an ObserverVec with zero +// labels. Note that partitioning of Histograms is expensive and should be used +// judiciously. +// +// If the wrapped Handler does not set a status code, a status code of 200 is assumed. +// +// If the wrapped Handler panics, no values are reported. +// +// See the example for InstrumentHandlerDuration for example usage. +func InstrumentHandlerRequestSize(obs prometheus.ObserverVec, next http.Handler) http.HandlerFunc { + code, method := checkLabels(obs) + + if code { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + d := newDelegator(w, nil) + next.ServeHTTP(d, r) + size := computeApproximateRequestSize(r) + obs.With(labels(code, method, r.Method, d.Status())).Observe(float64(size)) + }) + } + + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + next.ServeHTTP(w, r) + size := computeApproximateRequestSize(r) + obs.With(labels(code, method, r.Method, 0)).Observe(float64(size)) + }) +} + +// InstrumentHandlerResponseSize is a middleware that wraps the provided +// http.Handler to observe the response size with the provided ObserverVec. The +// ObserverVec must have zero, one, or two non-const non-curried labels. For +// those, the only allowed label names are "code" and "method". The function +// panics otherwise. The Observe method of the Observer in the ObserverVec is +// called with the response size in bytes. Partitioning happens by HTTP status +// code and/or HTTP method if the respective instance label names are present in +// the ObserverVec. For unpartitioned observations, use an ObserverVec with zero +// labels. Note that partitioning of Histograms is expensive and should be used +// judiciously. +// +// If the wrapped Handler does not set a status code, a status code of 200 is assumed. +// +// If the wrapped Handler panics, no values are reported. +// +// See the example for InstrumentHandlerDuration for example usage. +func InstrumentHandlerResponseSize(obs prometheus.ObserverVec, next http.Handler) http.Handler { + code, method := checkLabels(obs) + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + d := newDelegator(w, nil) + next.ServeHTTP(d, r) + obs.With(labels(code, method, r.Method, d.Status())).Observe(float64(d.Written())) + }) +} + +func checkLabels(c prometheus.Collector) (code bool, method bool) { + // TODO(beorn7): Remove this hacky way to check for instance labels + // once Descriptors can have their dimensionality queried. + var ( + desc *prometheus.Desc + m prometheus.Metric + pm dto.Metric + lvs []string + ) + + // Get the Desc from the Collector. + descc := make(chan *prometheus.Desc, 1) + c.Describe(descc) + + select { + case desc = <-descc: + default: + panic("no description provided by collector") + } + select { + case <-descc: + panic("more than one description provided by collector") + default: + } + + close(descc) + + // Create a ConstMetric with the Desc. Since we don't know how many + // variable labels there are, try for as long as it needs. + for err := errors.New("dummy"); err != nil; lvs = append(lvs, magicString) { + m, err = prometheus.NewConstMetric(desc, prometheus.UntypedValue, 0, lvs...) + } + + // Write out the metric into a proto message and look at the labels. + // If the value is not the magicString, it is a constLabel, which doesn't interest us. + // If the label is curried, it doesn't interest us. + // In all other cases, only "code" or "method" is allowed. + if err := m.Write(&pm); err != nil { + panic("error checking metric for labels") + } + for _, label := range pm.Label { + name, value := label.GetName(), label.GetValue() + if value != magicString || isLabelCurried(c, name) { + continue + } + switch name { + case "code": + code = true + case "method": + method = true + default: + panic("metric partitioned with non-supported labels") + } + } + return +} + +func isLabelCurried(c prometheus.Collector, label string) bool { + // This is even hackier than the label test above. + // We essentially try to curry again and see if it works. + // But for that, we need to type-convert to the two + // types we use here, ObserverVec or *CounterVec. + switch v := c.(type) { + case *prometheus.CounterVec: + if _, err := v.CurryWith(prometheus.Labels{label: "dummy"}); err == nil { + return false + } + case prometheus.ObserverVec: + if _, err := v.CurryWith(prometheus.Labels{label: "dummy"}); err == nil { + return false + } + default: + panic("unsupported metric vec type") + } + return true +} + +// emptyLabels is a one-time allocation for non-partitioned metrics to avoid +// unnecessary allocations on each request. +var emptyLabels = prometheus.Labels{} + +func labels(code, method bool, reqMethod string, status int) prometheus.Labels { + if !(code || method) { + return emptyLabels + } + labels := prometheus.Labels{} + + if code { + labels["code"] = sanitizeCode(status) + } + if method { + labels["method"] = sanitizeMethod(reqMethod) + } + + return labels +} + +func computeApproximateRequestSize(r *http.Request) int { + s := 0 + if r.URL != nil { + s += len(r.URL.String()) + } + + s += len(r.Method) + s += len(r.Proto) + for name, values := range r.Header { + s += len(name) + for _, value := range values { + s += len(value) + } + } + s += len(r.Host) + + // N.B. r.Form and r.MultipartForm are assumed to be included in r.URL. + + if r.ContentLength != -1 { + s += int(r.ContentLength) + } + return s +} + +func sanitizeMethod(m string) string { + switch m { + case "GET", "get": + return "get" + case "PUT", "put": + return "put" + case "HEAD", "head": + return "head" + case "POST", "post": + return "post" + case "DELETE", "delete": + return "delete" + case "CONNECT", "connect": + return "connect" + case "OPTIONS", "options": + return "options" + case "NOTIFY", "notify": + return "notify" + default: + return strings.ToLower(m) + } +} + +// If the wrapped http.Handler has not set a status code, i.e. the value is +// currently 0, santizeCode will return 200, for consistency with behavior in +// the stdlib. +func sanitizeCode(s int) string { + switch s { + case 100: + return "100" + case 101: + return "101" + + case 200, 0: + return "200" + case 201: + return "201" + case 202: + return "202" + case 203: + return "203" + case 204: + return "204" + case 205: + return "205" + case 206: + return "206" + + case 300: + return "300" + case 301: + return "301" + case 302: + return "302" + case 304: + return "304" + case 305: + return "305" + case 307: + return "307" + + case 400: + return "400" + case 401: + return "401" + case 402: + return "402" + case 403: + return "403" + case 404: + return "404" + case 405: + return "405" + case 406: + return "406" + case 407: + return "407" + case 408: + return "408" + case 409: + return "409" + case 410: + return "410" + case 411: + return "411" + case 412: + return "412" + case 413: + return "413" + case 414: + return "414" + case 415: + return "415" + case 416: + return "416" + case 417: + return "417" + case 418: + return "418" + + case 500: + return "500" + case 501: + return "501" + case 502: + return "502" + case 503: + return "503" + case 504: + return "504" + case 505: + return "505" + + case 428: + return "428" + case 429: + return "429" + case 431: + return "431" + case 511: + return "511" + + default: + return strconv.Itoa(s) + } +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/registry.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/registry.go new file mode 100644 index 000000000..ba94405af --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/registry.go @@ -0,0 +1,948 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "bytes" + "fmt" + "io/ioutil" + "os" + "path/filepath" + "runtime" + "sort" + "strings" + "sync" + "unicode/utf8" + + "github.com/cespare/xxhash/v2" + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + "github.com/prometheus/common/expfmt" + + dto "github.com/prometheus/client_model/go" + + "github.com/prometheus/client_golang/prometheus/internal" +) + +const ( + // Capacity for the channel to collect metrics and descriptors. + capMetricChan = 1000 + capDescChan = 10 +) + +// DefaultRegisterer and DefaultGatherer are the implementations of the +// Registerer and Gatherer interface a number of convenience functions in this +// package act on. Initially, both variables point to the same Registry, which +// has a process collector (currently on Linux only, see NewProcessCollector) +// and a Go collector (see NewGoCollector, in particular the note about +// stop-the-world implication with Go versions older than 1.9) already +// registered. This approach to keep default instances as global state mirrors +// the approach of other packages in the Go standard library. Note that there +// are caveats. Change the variables with caution and only if you understand the +// consequences. Users who want to avoid global state altogether should not use +// the convenience functions and act on custom instances instead. +var ( + defaultRegistry = NewRegistry() + DefaultRegisterer Registerer = defaultRegistry + DefaultGatherer Gatherer = defaultRegistry +) + +func init() { + MustRegister(NewProcessCollector(ProcessCollectorOpts{})) + MustRegister(NewGoCollector()) +} + +// NewRegistry creates a new vanilla Registry without any Collectors +// pre-registered. +func NewRegistry() *Registry { + return &Registry{ + collectorsByID: map[uint64]Collector{}, + descIDs: map[uint64]struct{}{}, + dimHashesByName: map[string]uint64{}, + } +} + +// NewPedanticRegistry returns a registry that checks during collection if each +// collected Metric is consistent with its reported Desc, and if the Desc has +// actually been registered with the registry. Unchecked Collectors (those whose +// Describe method does not yield any descriptors) are excluded from the check. +// +// Usually, a Registry will be happy as long as the union of all collected +// Metrics is consistent and valid even if some metrics are not consistent with +// their own Desc or a Desc provided by their registered Collector. Well-behaved +// Collectors and Metrics will only provide consistent Descs. This Registry is +// useful to test the implementation of Collectors and Metrics. +func NewPedanticRegistry() *Registry { + r := NewRegistry() + r.pedanticChecksEnabled = true + return r +} + +// Registerer is the interface for the part of a registry in charge of +// registering and unregistering. Users of custom registries should use +// Registerer as type for registration purposes (rather than the Registry type +// directly). In that way, they are free to use custom Registerer implementation +// (e.g. for testing purposes). +type Registerer interface { + // Register registers a new Collector to be included in metrics + // collection. It returns an error if the descriptors provided by the + // Collector are invalid or if they — in combination with descriptors of + // already registered Collectors — do not fulfill the consistency and + // uniqueness criteria described in the documentation of metric.Desc. + // + // If the provided Collector is equal to a Collector already registered + // (which includes the case of re-registering the same Collector), the + // returned error is an instance of AlreadyRegisteredError, which + // contains the previously registered Collector. + // + // A Collector whose Describe method does not yield any Desc is treated + // as unchecked. Registration will always succeed. No check for + // re-registering (see previous paragraph) is performed. Thus, the + // caller is responsible for not double-registering the same unchecked + // Collector, and for providing a Collector that will not cause + // inconsistent metrics on collection. (This would lead to scrape + // errors.) + Register(Collector) error + // MustRegister works like Register but registers any number of + // Collectors and panics upon the first registration that causes an + // error. + MustRegister(...Collector) + // Unregister unregisters the Collector that equals the Collector passed + // in as an argument. (Two Collectors are considered equal if their + // Describe method yields the same set of descriptors.) The function + // returns whether a Collector was unregistered. Note that an unchecked + // Collector cannot be unregistered (as its Describe method does not + // yield any descriptor). + // + // Note that even after unregistering, it will not be possible to + // register a new Collector that is inconsistent with the unregistered + // Collector, e.g. a Collector collecting metrics with the same name but + // a different help string. The rationale here is that the same registry + // instance must only collect consistent metrics throughout its + // lifetime. + Unregister(Collector) bool +} + +// Gatherer is the interface for the part of a registry in charge of gathering +// the collected metrics into a number of MetricFamilies. The Gatherer interface +// comes with the same general implication as described for the Registerer +// interface. +type Gatherer interface { + // Gather calls the Collect method of the registered Collectors and then + // gathers the collected metrics into a lexicographically sorted slice + // of uniquely named MetricFamily protobufs. Gather ensures that the + // returned slice is valid and self-consistent so that it can be used + // for valid exposition. As an exception to the strict consistency + // requirements described for metric.Desc, Gather will tolerate + // different sets of label names for metrics of the same metric family. + // + // Even if an error occurs, Gather attempts to gather as many metrics as + // possible. Hence, if a non-nil error is returned, the returned + // MetricFamily slice could be nil (in case of a fatal error that + // prevented any meaningful metric collection) or contain a number of + // MetricFamily protobufs, some of which might be incomplete, and some + // might be missing altogether. The returned error (which might be a + // MultiError) explains the details. Note that this is mostly useful for + // debugging purposes. If the gathered protobufs are to be used for + // exposition in actual monitoring, it is almost always better to not + // expose an incomplete result and instead disregard the returned + // MetricFamily protobufs in case the returned error is non-nil. + Gather() ([]*dto.MetricFamily, error) +} + +// Register registers the provided Collector with the DefaultRegisterer. +// +// Register is a shortcut for DefaultRegisterer.Register(c). See there for more +// details. +func Register(c Collector) error { + return DefaultRegisterer.Register(c) +} + +// MustRegister registers the provided Collectors with the DefaultRegisterer and +// panics if any error occurs. +// +// MustRegister is a shortcut for DefaultRegisterer.MustRegister(cs...). See +// there for more details. +func MustRegister(cs ...Collector) { + DefaultRegisterer.MustRegister(cs...) +} + +// Unregister removes the registration of the provided Collector from the +// DefaultRegisterer. +// +// Unregister is a shortcut for DefaultRegisterer.Unregister(c). See there for +// more details. +func Unregister(c Collector) bool { + return DefaultRegisterer.Unregister(c) +} + +// GathererFunc turns a function into a Gatherer. +type GathererFunc func() ([]*dto.MetricFamily, error) + +// Gather implements Gatherer. +func (gf GathererFunc) Gather() ([]*dto.MetricFamily, error) { + return gf() +} + +// AlreadyRegisteredError is returned by the Register method if the Collector to +// be registered has already been registered before, or a different Collector +// that collects the same metrics has been registered before. Registration fails +// in that case, but you can detect from the kind of error what has +// happened. The error contains fields for the existing Collector and the +// (rejected) new Collector that equals the existing one. This can be used to +// find out if an equal Collector has been registered before and switch over to +// using the old one, as demonstrated in the example. +type AlreadyRegisteredError struct { + ExistingCollector, NewCollector Collector +} + +func (err AlreadyRegisteredError) Error() string { + return "duplicate metrics collector registration attempted" +} + +// MultiError is a slice of errors implementing the error interface. It is used +// by a Gatherer to report multiple errors during MetricFamily gathering. +type MultiError []error + +func (errs MultiError) Error() string { + if len(errs) == 0 { + return "" + } + buf := &bytes.Buffer{} + fmt.Fprintf(buf, "%d error(s) occurred:", len(errs)) + for _, err := range errs { + fmt.Fprintf(buf, "\n* %s", err) + } + return buf.String() +} + +// Append appends the provided error if it is not nil. +func (errs *MultiError) Append(err error) { + if err != nil { + *errs = append(*errs, err) + } +} + +// MaybeUnwrap returns nil if len(errs) is 0. It returns the first and only +// contained error as error if len(errs is 1). In all other cases, it returns +// the MultiError directly. This is helpful for returning a MultiError in a way +// that only uses the MultiError if needed. +func (errs MultiError) MaybeUnwrap() error { + switch len(errs) { + case 0: + return nil + case 1: + return errs[0] + default: + return errs + } +} + +// Registry registers Prometheus collectors, collects their metrics, and gathers +// them into MetricFamilies for exposition. It implements both Registerer and +// Gatherer. The zero value is not usable. Create instances with NewRegistry or +// NewPedanticRegistry. +type Registry struct { + mtx sync.RWMutex + collectorsByID map[uint64]Collector // ID is a hash of the descIDs. + descIDs map[uint64]struct{} + dimHashesByName map[string]uint64 + uncheckedCollectors []Collector + pedanticChecksEnabled bool +} + +// Register implements Registerer. +func (r *Registry) Register(c Collector) error { + var ( + descChan = make(chan *Desc, capDescChan) + newDescIDs = map[uint64]struct{}{} + newDimHashesByName = map[string]uint64{} + collectorID uint64 // All desc IDs XOR'd together. + duplicateDescErr error + ) + go func() { + c.Describe(descChan) + close(descChan) + }() + r.mtx.Lock() + defer func() { + // Drain channel in case of premature return to not leak a goroutine. + for range descChan { + } + r.mtx.Unlock() + }() + // Conduct various tests... + for desc := range descChan { + + // Is the descriptor valid at all? + if desc.err != nil { + return fmt.Errorf("descriptor %s is invalid: %s", desc, desc.err) + } + + // Is the descID unique? + // (In other words: Is the fqName + constLabel combination unique?) + if _, exists := r.descIDs[desc.id]; exists { + duplicateDescErr = fmt.Errorf("descriptor %s already exists with the same fully-qualified name and const label values", desc) + } + // If it is not a duplicate desc in this collector, XOR it to + // the collectorID. (We allow duplicate descs within the same + // collector, but their existence must be a no-op.) + if _, exists := newDescIDs[desc.id]; !exists { + newDescIDs[desc.id] = struct{}{} + collectorID ^= desc.id + } + + // Are all the label names and the help string consistent with + // previous descriptors of the same name? + // First check existing descriptors... + if dimHash, exists := r.dimHashesByName[desc.fqName]; exists { + if dimHash != desc.dimHash { + return fmt.Errorf("a previously registered descriptor with the same fully-qualified name as %s has different label names or a different help string", desc) + } + } else { + // ...then check the new descriptors already seen. + if dimHash, exists := newDimHashesByName[desc.fqName]; exists { + if dimHash != desc.dimHash { + return fmt.Errorf("descriptors reported by collector have inconsistent label names or help strings for the same fully-qualified name, offender is %s", desc) + } + } else { + newDimHashesByName[desc.fqName] = desc.dimHash + } + } + } + // A Collector yielding no Desc at all is considered unchecked. + if len(newDescIDs) == 0 { + r.uncheckedCollectors = append(r.uncheckedCollectors, c) + return nil + } + if existing, exists := r.collectorsByID[collectorID]; exists { + switch e := existing.(type) { + case *wrappingCollector: + return AlreadyRegisteredError{ + ExistingCollector: e.unwrapRecursively(), + NewCollector: c, + } + default: + return AlreadyRegisteredError{ + ExistingCollector: e, + NewCollector: c, + } + } + } + // If the collectorID is new, but at least one of the descs existed + // before, we are in trouble. + if duplicateDescErr != nil { + return duplicateDescErr + } + + // Only after all tests have passed, actually register. + r.collectorsByID[collectorID] = c + for hash := range newDescIDs { + r.descIDs[hash] = struct{}{} + } + for name, dimHash := range newDimHashesByName { + r.dimHashesByName[name] = dimHash + } + return nil +} + +// Unregister implements Registerer. +func (r *Registry) Unregister(c Collector) bool { + var ( + descChan = make(chan *Desc, capDescChan) + descIDs = map[uint64]struct{}{} + collectorID uint64 // All desc IDs XOR'd together. + ) + go func() { + c.Describe(descChan) + close(descChan) + }() + for desc := range descChan { + if _, exists := descIDs[desc.id]; !exists { + collectorID ^= desc.id + descIDs[desc.id] = struct{}{} + } + } + + r.mtx.RLock() + if _, exists := r.collectorsByID[collectorID]; !exists { + r.mtx.RUnlock() + return false + } + r.mtx.RUnlock() + + r.mtx.Lock() + defer r.mtx.Unlock() + + delete(r.collectorsByID, collectorID) + for id := range descIDs { + delete(r.descIDs, id) + } + // dimHashesByName is left untouched as those must be consistent + // throughout the lifetime of a program. + return true +} + +// MustRegister implements Registerer. +func (r *Registry) MustRegister(cs ...Collector) { + for _, c := range cs { + if err := r.Register(c); err != nil { + panic(err) + } + } +} + +// Gather implements Gatherer. +func (r *Registry) Gather() ([]*dto.MetricFamily, error) { + var ( + checkedMetricChan = make(chan Metric, capMetricChan) + uncheckedMetricChan = make(chan Metric, capMetricChan) + metricHashes = map[uint64]struct{}{} + wg sync.WaitGroup + errs MultiError // The collected errors to return in the end. + registeredDescIDs map[uint64]struct{} // Only used for pedantic checks + ) + + r.mtx.RLock() + goroutineBudget := len(r.collectorsByID) + len(r.uncheckedCollectors) + metricFamiliesByName := make(map[string]*dto.MetricFamily, len(r.dimHashesByName)) + checkedCollectors := make(chan Collector, len(r.collectorsByID)) + uncheckedCollectors := make(chan Collector, len(r.uncheckedCollectors)) + for _, collector := range r.collectorsByID { + checkedCollectors <- collector + } + for _, collector := range r.uncheckedCollectors { + uncheckedCollectors <- collector + } + // In case pedantic checks are enabled, we have to copy the map before + // giving up the RLock. + if r.pedanticChecksEnabled { + registeredDescIDs = make(map[uint64]struct{}, len(r.descIDs)) + for id := range r.descIDs { + registeredDescIDs[id] = struct{}{} + } + } + r.mtx.RUnlock() + + wg.Add(goroutineBudget) + + collectWorker := func() { + for { + select { + case collector := <-checkedCollectors: + collector.Collect(checkedMetricChan) + case collector := <-uncheckedCollectors: + collector.Collect(uncheckedMetricChan) + default: + return + } + wg.Done() + } + } + + // Start the first worker now to make sure at least one is running. + go collectWorker() + goroutineBudget-- + + // Close checkedMetricChan and uncheckedMetricChan once all collectors + // are collected. + go func() { + wg.Wait() + close(checkedMetricChan) + close(uncheckedMetricChan) + }() + + // Drain checkedMetricChan and uncheckedMetricChan in case of premature return. + defer func() { + if checkedMetricChan != nil { + for range checkedMetricChan { + } + } + if uncheckedMetricChan != nil { + for range uncheckedMetricChan { + } + } + }() + + // Copy the channel references so we can nil them out later to remove + // them from the select statements below. + cmc := checkedMetricChan + umc := uncheckedMetricChan + + for { + select { + case metric, ok := <-cmc: + if !ok { + cmc = nil + break + } + errs.Append(processMetric( + metric, metricFamiliesByName, + metricHashes, + registeredDescIDs, + )) + case metric, ok := <-umc: + if !ok { + umc = nil + break + } + errs.Append(processMetric( + metric, metricFamiliesByName, + metricHashes, + nil, + )) + default: + if goroutineBudget <= 0 || len(checkedCollectors)+len(uncheckedCollectors) == 0 { + // All collectors are already being worked on or + // we have already as many goroutines started as + // there are collectors. Do the same as above, + // just without the default. + select { + case metric, ok := <-cmc: + if !ok { + cmc = nil + break + } + errs.Append(processMetric( + metric, metricFamiliesByName, + metricHashes, + registeredDescIDs, + )) + case metric, ok := <-umc: + if !ok { + umc = nil + break + } + errs.Append(processMetric( + metric, metricFamiliesByName, + metricHashes, + nil, + )) + } + break + } + // Start more workers. + go collectWorker() + goroutineBudget-- + runtime.Gosched() + } + // Once both checkedMetricChan and uncheckdMetricChan are closed + // and drained, the contraption above will nil out cmc and umc, + // and then we can leave the collect loop here. + if cmc == nil && umc == nil { + break + } + } + return internal.NormalizeMetricFamilies(metricFamiliesByName), errs.MaybeUnwrap() +} + +// WriteToTextfile calls Gather on the provided Gatherer, encodes the result in the +// Prometheus text format, and writes it to a temporary file. Upon success, the +// temporary file is renamed to the provided filename. +// +// This is intended for use with the textfile collector of the node exporter. +// Note that the node exporter expects the filename to be suffixed with ".prom". +func WriteToTextfile(filename string, g Gatherer) error { + tmp, err := ioutil.TempFile(filepath.Dir(filename), filepath.Base(filename)) + if err != nil { + return err + } + defer os.Remove(tmp.Name()) + + mfs, err := g.Gather() + if err != nil { + return err + } + for _, mf := range mfs { + if _, err := expfmt.MetricFamilyToText(tmp, mf); err != nil { + return err + } + } + if err := tmp.Close(); err != nil { + return err + } + + if err := os.Chmod(tmp.Name(), 0644); err != nil { + return err + } + return os.Rename(tmp.Name(), filename) +} + +// processMetric is an internal helper method only used by the Gather method. +func processMetric( + metric Metric, + metricFamiliesByName map[string]*dto.MetricFamily, + metricHashes map[uint64]struct{}, + registeredDescIDs map[uint64]struct{}, +) error { + desc := metric.Desc() + // Wrapped metrics collected by an unchecked Collector can have an + // invalid Desc. + if desc.err != nil { + return desc.err + } + dtoMetric := &dto.Metric{} + if err := metric.Write(dtoMetric); err != nil { + return fmt.Errorf("error collecting metric %v: %s", desc, err) + } + metricFamily, ok := metricFamiliesByName[desc.fqName] + if ok { // Existing name. + if metricFamily.GetHelp() != desc.help { + return fmt.Errorf( + "collected metric %s %s has help %q but should have %q", + desc.fqName, dtoMetric, desc.help, metricFamily.GetHelp(), + ) + } + // TODO(beorn7): Simplify switch once Desc has type. + switch metricFamily.GetType() { + case dto.MetricType_COUNTER: + if dtoMetric.Counter == nil { + return fmt.Errorf( + "collected metric %s %s should be a Counter", + desc.fqName, dtoMetric, + ) + } + case dto.MetricType_GAUGE: + if dtoMetric.Gauge == nil { + return fmt.Errorf( + "collected metric %s %s should be a Gauge", + desc.fqName, dtoMetric, + ) + } + case dto.MetricType_SUMMARY: + if dtoMetric.Summary == nil { + return fmt.Errorf( + "collected metric %s %s should be a Summary", + desc.fqName, dtoMetric, + ) + } + case dto.MetricType_UNTYPED: + if dtoMetric.Untyped == nil { + return fmt.Errorf( + "collected metric %s %s should be Untyped", + desc.fqName, dtoMetric, + ) + } + case dto.MetricType_HISTOGRAM: + if dtoMetric.Histogram == nil { + return fmt.Errorf( + "collected metric %s %s should be a Histogram", + desc.fqName, dtoMetric, + ) + } + default: + panic("encountered MetricFamily with invalid type") + } + } else { // New name. + metricFamily = &dto.MetricFamily{} + metricFamily.Name = proto.String(desc.fqName) + metricFamily.Help = proto.String(desc.help) + // TODO(beorn7): Simplify switch once Desc has type. + switch { + case dtoMetric.Gauge != nil: + metricFamily.Type = dto.MetricType_GAUGE.Enum() + case dtoMetric.Counter != nil: + metricFamily.Type = dto.MetricType_COUNTER.Enum() + case dtoMetric.Summary != nil: + metricFamily.Type = dto.MetricType_SUMMARY.Enum() + case dtoMetric.Untyped != nil: + metricFamily.Type = dto.MetricType_UNTYPED.Enum() + case dtoMetric.Histogram != nil: + metricFamily.Type = dto.MetricType_HISTOGRAM.Enum() + default: + return fmt.Errorf("empty metric collected: %s", dtoMetric) + } + if err := checkSuffixCollisions(metricFamily, metricFamiliesByName); err != nil { + return err + } + metricFamiliesByName[desc.fqName] = metricFamily + } + if err := checkMetricConsistency(metricFamily, dtoMetric, metricHashes); err != nil { + return err + } + if registeredDescIDs != nil { + // Is the desc registered at all? + if _, exist := registeredDescIDs[desc.id]; !exist { + return fmt.Errorf( + "collected metric %s %s with unregistered descriptor %s", + metricFamily.GetName(), dtoMetric, desc, + ) + } + if err := checkDescConsistency(metricFamily, dtoMetric, desc); err != nil { + return err + } + } + metricFamily.Metric = append(metricFamily.Metric, dtoMetric) + return nil +} + +// Gatherers is a slice of Gatherer instances that implements the Gatherer +// interface itself. Its Gather method calls Gather on all Gatherers in the +// slice in order and returns the merged results. Errors returned from the +// Gather calls are all returned in a flattened MultiError. Duplicate and +// inconsistent Metrics are skipped (first occurrence in slice order wins) and +// reported in the returned error. +// +// Gatherers can be used to merge the Gather results from multiple +// Registries. It also provides a way to directly inject existing MetricFamily +// protobufs into the gathering by creating a custom Gatherer with a Gather +// method that simply returns the existing MetricFamily protobufs. Note that no +// registration is involved (in contrast to Collector registration), so +// obviously registration-time checks cannot happen. Any inconsistencies between +// the gathered MetricFamilies are reported as errors by the Gather method, and +// inconsistent Metrics are dropped. Invalid parts of the MetricFamilies +// (e.g. syntactically invalid metric or label names) will go undetected. +type Gatherers []Gatherer + +// Gather implements Gatherer. +func (gs Gatherers) Gather() ([]*dto.MetricFamily, error) { + var ( + metricFamiliesByName = map[string]*dto.MetricFamily{} + metricHashes = map[uint64]struct{}{} + errs MultiError // The collected errors to return in the end. + ) + + for i, g := range gs { + mfs, err := g.Gather() + if err != nil { + if multiErr, ok := err.(MultiError); ok { + for _, err := range multiErr { + errs = append(errs, fmt.Errorf("[from Gatherer #%d] %s", i+1, err)) + } + } else { + errs = append(errs, fmt.Errorf("[from Gatherer #%d] %s", i+1, err)) + } + } + for _, mf := range mfs { + existingMF, exists := metricFamiliesByName[mf.GetName()] + if exists { + if existingMF.GetHelp() != mf.GetHelp() { + errs = append(errs, fmt.Errorf( + "gathered metric family %s has help %q but should have %q", + mf.GetName(), mf.GetHelp(), existingMF.GetHelp(), + )) + continue + } + if existingMF.GetType() != mf.GetType() { + errs = append(errs, fmt.Errorf( + "gathered metric family %s has type %s but should have %s", + mf.GetName(), mf.GetType(), existingMF.GetType(), + )) + continue + } + } else { + existingMF = &dto.MetricFamily{} + existingMF.Name = mf.Name + existingMF.Help = mf.Help + existingMF.Type = mf.Type + if err := checkSuffixCollisions(existingMF, metricFamiliesByName); err != nil { + errs = append(errs, err) + continue + } + metricFamiliesByName[mf.GetName()] = existingMF + } + for _, m := range mf.Metric { + if err := checkMetricConsistency(existingMF, m, metricHashes); err != nil { + errs = append(errs, err) + continue + } + existingMF.Metric = append(existingMF.Metric, m) + } + } + } + return internal.NormalizeMetricFamilies(metricFamiliesByName), errs.MaybeUnwrap() +} + +// checkSuffixCollisions checks for collisions with the “magic” suffixes the +// Prometheus text format and the internal metric representation of the +// Prometheus server add while flattening Summaries and Histograms. +func checkSuffixCollisions(mf *dto.MetricFamily, mfs map[string]*dto.MetricFamily) error { + var ( + newName = mf.GetName() + newType = mf.GetType() + newNameWithoutSuffix = "" + ) + switch { + case strings.HasSuffix(newName, "_count"): + newNameWithoutSuffix = newName[:len(newName)-6] + case strings.HasSuffix(newName, "_sum"): + newNameWithoutSuffix = newName[:len(newName)-4] + case strings.HasSuffix(newName, "_bucket"): + newNameWithoutSuffix = newName[:len(newName)-7] + } + if newNameWithoutSuffix != "" { + if existingMF, ok := mfs[newNameWithoutSuffix]; ok { + switch existingMF.GetType() { + case dto.MetricType_SUMMARY: + if !strings.HasSuffix(newName, "_bucket") { + return fmt.Errorf( + "collected metric named %q collides with previously collected summary named %q", + newName, newNameWithoutSuffix, + ) + } + case dto.MetricType_HISTOGRAM: + return fmt.Errorf( + "collected metric named %q collides with previously collected histogram named %q", + newName, newNameWithoutSuffix, + ) + } + } + } + if newType == dto.MetricType_SUMMARY || newType == dto.MetricType_HISTOGRAM { + if _, ok := mfs[newName+"_count"]; ok { + return fmt.Errorf( + "collected histogram or summary named %q collides with previously collected metric named %q", + newName, newName+"_count", + ) + } + if _, ok := mfs[newName+"_sum"]; ok { + return fmt.Errorf( + "collected histogram or summary named %q collides with previously collected metric named %q", + newName, newName+"_sum", + ) + } + } + if newType == dto.MetricType_HISTOGRAM { + if _, ok := mfs[newName+"_bucket"]; ok { + return fmt.Errorf( + "collected histogram named %q collides with previously collected metric named %q", + newName, newName+"_bucket", + ) + } + } + return nil +} + +// checkMetricConsistency checks if the provided Metric is consistent with the +// provided MetricFamily. It also hashes the Metric labels and the MetricFamily +// name. If the resulting hash is already in the provided metricHashes, an error +// is returned. If not, it is added to metricHashes. +func checkMetricConsistency( + metricFamily *dto.MetricFamily, + dtoMetric *dto.Metric, + metricHashes map[uint64]struct{}, +) error { + name := metricFamily.GetName() + + // Type consistency with metric family. + if metricFamily.GetType() == dto.MetricType_GAUGE && dtoMetric.Gauge == nil || + metricFamily.GetType() == dto.MetricType_COUNTER && dtoMetric.Counter == nil || + metricFamily.GetType() == dto.MetricType_SUMMARY && dtoMetric.Summary == nil || + metricFamily.GetType() == dto.MetricType_HISTOGRAM && dtoMetric.Histogram == nil || + metricFamily.GetType() == dto.MetricType_UNTYPED && dtoMetric.Untyped == nil { + return fmt.Errorf( + "collected metric %q { %s} is not a %s", + name, dtoMetric, metricFamily.GetType(), + ) + } + + previousLabelName := "" + for _, labelPair := range dtoMetric.GetLabel() { + labelName := labelPair.GetName() + if labelName == previousLabelName { + return fmt.Errorf( + "collected metric %q { %s} has two or more labels with the same name: %s", + name, dtoMetric, labelName, + ) + } + if !checkLabelName(labelName) { + return fmt.Errorf( + "collected metric %q { %s} has a label with an invalid name: %s", + name, dtoMetric, labelName, + ) + } + if dtoMetric.Summary != nil && labelName == quantileLabel { + return fmt.Errorf( + "collected metric %q { %s} must not have an explicit %q label", + name, dtoMetric, quantileLabel, + ) + } + if !utf8.ValidString(labelPair.GetValue()) { + return fmt.Errorf( + "collected metric %q { %s} has a label named %q whose value is not utf8: %#v", + name, dtoMetric, labelName, labelPair.GetValue()) + } + previousLabelName = labelName + } + + // Is the metric unique (i.e. no other metric with the same name and the same labels)? + h := xxhash.New() + h.WriteString(name) + h.Write(separatorByteSlice) + // Make sure label pairs are sorted. We depend on it for the consistency + // check. + if !sort.IsSorted(labelPairSorter(dtoMetric.Label)) { + // We cannot sort dtoMetric.Label in place as it is immutable by contract. + copiedLabels := make([]*dto.LabelPair, len(dtoMetric.Label)) + copy(copiedLabels, dtoMetric.Label) + sort.Sort(labelPairSorter(copiedLabels)) + dtoMetric.Label = copiedLabels + } + for _, lp := range dtoMetric.Label { + h.WriteString(lp.GetName()) + h.Write(separatorByteSlice) + h.WriteString(lp.GetValue()) + h.Write(separatorByteSlice) + } + hSum := h.Sum64() + if _, exists := metricHashes[hSum]; exists { + return fmt.Errorf( + "collected metric %q { %s} was collected before with the same name and label values", + name, dtoMetric, + ) + } + metricHashes[hSum] = struct{}{} + return nil +} + +func checkDescConsistency( + metricFamily *dto.MetricFamily, + dtoMetric *dto.Metric, + desc *Desc, +) error { + // Desc help consistency with metric family help. + if metricFamily.GetHelp() != desc.help { + return fmt.Errorf( + "collected metric %s %s has help %q but should have %q", + metricFamily.GetName(), dtoMetric, metricFamily.GetHelp(), desc.help, + ) + } + + // Is the desc consistent with the content of the metric? + lpsFromDesc := make([]*dto.LabelPair, len(desc.constLabelPairs), len(dtoMetric.Label)) + copy(lpsFromDesc, desc.constLabelPairs) + for _, l := range desc.variableLabels { + lpsFromDesc = append(lpsFromDesc, &dto.LabelPair{ + Name: proto.String(l), + }) + } + if len(lpsFromDesc) != len(dtoMetric.Label) { + return fmt.Errorf( + "labels in collected metric %s %s are inconsistent with descriptor %s", + metricFamily.GetName(), dtoMetric, desc, + ) + } + sort.Sort(labelPairSorter(lpsFromDesc)) + for i, lpFromDesc := range lpsFromDesc { + lpFromMetric := dtoMetric.Label[i] + if lpFromDesc.GetName() != lpFromMetric.GetName() || + lpFromDesc.Value != nil && lpFromDesc.GetValue() != lpFromMetric.GetValue() { + return fmt.Errorf( + "labels in collected metric %s %s are inconsistent with descriptor %s", + metricFamily.GetName(), dtoMetric, desc, + ) + } + } + return nil +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/summary.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/summary.go new file mode 100644 index 000000000..f3c1440d1 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/summary.go @@ -0,0 +1,737 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "fmt" + "math" + "runtime" + "sort" + "sync" + "sync/atomic" + "time" + + "github.com/beorn7/perks/quantile" + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + + dto "github.com/prometheus/client_model/go" +) + +// quantileLabel is used for the label that defines the quantile in a +// summary. +const quantileLabel = "quantile" + +// A Summary captures individual observations from an event or sample stream and +// summarizes them in a manner similar to traditional summary statistics: 1. sum +// of observations, 2. observation count, 3. rank estimations. +// +// A typical use-case is the observation of request latencies. By default, a +// Summary provides the median, the 90th and the 99th percentile of the latency +// as rank estimations. However, the default behavior will change in the +// upcoming v1.0.0 of the library. There will be no rank estimations at all by +// default. For a sane transition, it is recommended to set the desired rank +// estimations explicitly. +// +// Note that the rank estimations cannot be aggregated in a meaningful way with +// the Prometheus query language (i.e. you cannot average or add them). If you +// need aggregatable quantiles (e.g. you want the 99th percentile latency of all +// queries served across all instances of a service), consider the Histogram +// metric type. See the Prometheus documentation for more details. +// +// To create Summary instances, use NewSummary. +type Summary interface { + Metric + Collector + + // Observe adds a single observation to the summary. + Observe(float64) +} + +var errQuantileLabelNotAllowed = fmt.Errorf( + "%q is not allowed as label name in summaries", quantileLabel, +) + +// Default values for SummaryOpts. +const ( + // DefMaxAge is the default duration for which observations stay + // relevant. + DefMaxAge time.Duration = 10 * time.Minute + // DefAgeBuckets is the default number of buckets used to calculate the + // age of observations. + DefAgeBuckets = 5 + // DefBufCap is the standard buffer size for collecting Summary observations. + DefBufCap = 500 +) + +// SummaryOpts bundles the options for creating a Summary metric. It is +// mandatory to set Name to a non-empty string. While all other fields are +// optional and can safely be left at their zero value, it is recommended to set +// a help string and to explicitly set the Objectives field to the desired value +// as the default value will change in the upcoming v1.0.0 of the library. +type SummaryOpts struct { + // Namespace, Subsystem, and Name are components of the fully-qualified + // name of the Summary (created by joining these components with + // "_"). Only Name is mandatory, the others merely help structuring the + // name. Note that the fully-qualified name of the Summary must be a + // valid Prometheus metric name. + Namespace string + Subsystem string + Name string + + // Help provides information about this Summary. + // + // Metrics with the same fully-qualified name must have the same Help + // string. + Help string + + // ConstLabels are used to attach fixed labels to this metric. Metrics + // with the same fully-qualified name must have the same label names in + // their ConstLabels. + // + // Due to the way a Summary is represented in the Prometheus text format + // and how it is handled by the Prometheus server internally, “quantile” + // is an illegal label name. Construction of a Summary or SummaryVec + // will panic if this label name is used in ConstLabels. + // + // ConstLabels are only used rarely. In particular, do not use them to + // attach the same labels to all your metrics. Those use cases are + // better covered by target labels set by the scraping Prometheus + // server, or by one specific metric (e.g. a build_info or a + // machine_role metric). See also + // https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels,-not-static-scraped-labels + ConstLabels Labels + + // Objectives defines the quantile rank estimates with their respective + // absolute error. If Objectives[q] = e, then the value reported for q + // will be the φ-quantile value for some φ between q-e and q+e. The + // default value is an empty map, resulting in a summary without + // quantiles. + Objectives map[float64]float64 + + // MaxAge defines the duration for which an observation stays relevant + // for the summary. Must be positive. The default value is DefMaxAge. + MaxAge time.Duration + + // AgeBuckets is the number of buckets used to exclude observations that + // are older than MaxAge from the summary. A higher number has a + // resource penalty, so only increase it if the higher resolution is + // really required. For very high observation rates, you might want to + // reduce the number of age buckets. With only one age bucket, you will + // effectively see a complete reset of the summary each time MaxAge has + // passed. The default value is DefAgeBuckets. + AgeBuckets uint32 + + // BufCap defines the default sample stream buffer size. The default + // value of DefBufCap should suffice for most uses. If there is a need + // to increase the value, a multiple of 500 is recommended (because that + // is the internal buffer size of the underlying package + // "github.com/bmizerany/perks/quantile"). + BufCap uint32 +} + +// Problem with the sliding-window decay algorithm... The Merge method of +// perk/quantile is actually not working as advertised - and it might be +// unfixable, as the underlying algorithm is apparently not capable of merging +// summaries in the first place. To avoid using Merge, we are currently adding +// observations to _each_ age bucket, i.e. the effort to add a sample is +// essentially multiplied by the number of age buckets. When rotating age +// buckets, we empty the previous head stream. On scrape time, we simply take +// the quantiles from the head stream (no merging required). Result: More effort +// on observation time, less effort on scrape time, which is exactly the +// opposite of what we try to accomplish, but at least the results are correct. +// +// The quite elegant previous contraption to merge the age buckets efficiently +// on scrape time (see code up commit 6b9530d72ea715f0ba612c0120e6e09fbf1d49d0) +// can't be used anymore. + +// NewSummary creates a new Summary based on the provided SummaryOpts. +func NewSummary(opts SummaryOpts) Summary { + return newSummary( + NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ), + opts, + ) +} + +func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary { + if len(desc.variableLabels) != len(labelValues) { + panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues)) + } + + for _, n := range desc.variableLabels { + if n == quantileLabel { + panic(errQuantileLabelNotAllowed) + } + } + for _, lp := range desc.constLabelPairs { + if lp.GetName() == quantileLabel { + panic(errQuantileLabelNotAllowed) + } + } + + if opts.Objectives == nil { + opts.Objectives = map[float64]float64{} + } + + if opts.MaxAge < 0 { + panic(fmt.Errorf("illegal max age MaxAge=%v", opts.MaxAge)) + } + if opts.MaxAge == 0 { + opts.MaxAge = DefMaxAge + } + + if opts.AgeBuckets == 0 { + opts.AgeBuckets = DefAgeBuckets + } + + if opts.BufCap == 0 { + opts.BufCap = DefBufCap + } + + if len(opts.Objectives) == 0 { + // Use the lock-free implementation of a Summary without objectives. + s := &noObjectivesSummary{ + desc: desc, + labelPairs: makeLabelPairs(desc, labelValues), + counts: [2]*summaryCounts{{}, {}}, + } + s.init(s) // Init self-collection. + return s + } + + s := &summary{ + desc: desc, + + objectives: opts.Objectives, + sortedObjectives: make([]float64, 0, len(opts.Objectives)), + + labelPairs: makeLabelPairs(desc, labelValues), + + hotBuf: make([]float64, 0, opts.BufCap), + coldBuf: make([]float64, 0, opts.BufCap), + streamDuration: opts.MaxAge / time.Duration(opts.AgeBuckets), + } + s.headStreamExpTime = time.Now().Add(s.streamDuration) + s.hotBufExpTime = s.headStreamExpTime + + for i := uint32(0); i < opts.AgeBuckets; i++ { + s.streams = append(s.streams, s.newStream()) + } + s.headStream = s.streams[0] + + for qu := range s.objectives { + s.sortedObjectives = append(s.sortedObjectives, qu) + } + sort.Float64s(s.sortedObjectives) + + s.init(s) // Init self-collection. + return s +} + +type summary struct { + selfCollector + + bufMtx sync.Mutex // Protects hotBuf and hotBufExpTime. + mtx sync.Mutex // Protects every other moving part. + // Lock bufMtx before mtx if both are needed. + + desc *Desc + + objectives map[float64]float64 + sortedObjectives []float64 + + labelPairs []*dto.LabelPair + + sum float64 + cnt uint64 + + hotBuf, coldBuf []float64 + + streams []*quantile.Stream + streamDuration time.Duration + headStream *quantile.Stream + headStreamIdx int + headStreamExpTime, hotBufExpTime time.Time +} + +func (s *summary) Desc() *Desc { + return s.desc +} + +func (s *summary) Observe(v float64) { + s.bufMtx.Lock() + defer s.bufMtx.Unlock() + + now := time.Now() + if now.After(s.hotBufExpTime) { + s.asyncFlush(now) + } + s.hotBuf = append(s.hotBuf, v) + if len(s.hotBuf) == cap(s.hotBuf) { + s.asyncFlush(now) + } +} + +func (s *summary) Write(out *dto.Metric) error { + sum := &dto.Summary{} + qs := make([]*dto.Quantile, 0, len(s.objectives)) + + s.bufMtx.Lock() + s.mtx.Lock() + // Swap bufs even if hotBuf is empty to set new hotBufExpTime. + s.swapBufs(time.Now()) + s.bufMtx.Unlock() + + s.flushColdBuf() + sum.SampleCount = proto.Uint64(s.cnt) + sum.SampleSum = proto.Float64(s.sum) + + for _, rank := range s.sortedObjectives { + var q float64 + if s.headStream.Count() == 0 { + q = math.NaN() + } else { + q = s.headStream.Query(rank) + } + qs = append(qs, &dto.Quantile{ + Quantile: proto.Float64(rank), + Value: proto.Float64(q), + }) + } + + s.mtx.Unlock() + + if len(qs) > 0 { + sort.Sort(quantSort(qs)) + } + sum.Quantile = qs + + out.Summary = sum + out.Label = s.labelPairs + return nil +} + +func (s *summary) newStream() *quantile.Stream { + return quantile.NewTargeted(s.objectives) +} + +// asyncFlush needs bufMtx locked. +func (s *summary) asyncFlush(now time.Time) { + s.mtx.Lock() + s.swapBufs(now) + + // Unblock the original goroutine that was responsible for the mutation + // that triggered the compaction. But hold onto the global non-buffer + // state mutex until the operation finishes. + go func() { + s.flushColdBuf() + s.mtx.Unlock() + }() +} + +// rotateStreams needs mtx AND bufMtx locked. +func (s *summary) maybeRotateStreams() { + for !s.hotBufExpTime.Equal(s.headStreamExpTime) { + s.headStream.Reset() + s.headStreamIdx++ + if s.headStreamIdx >= len(s.streams) { + s.headStreamIdx = 0 + } + s.headStream = s.streams[s.headStreamIdx] + s.headStreamExpTime = s.headStreamExpTime.Add(s.streamDuration) + } +} + +// flushColdBuf needs mtx locked. +func (s *summary) flushColdBuf() { + for _, v := range s.coldBuf { + for _, stream := range s.streams { + stream.Insert(v) + } + s.cnt++ + s.sum += v + } + s.coldBuf = s.coldBuf[0:0] + s.maybeRotateStreams() +} + +// swapBufs needs mtx AND bufMtx locked, coldBuf must be empty. +func (s *summary) swapBufs(now time.Time) { + if len(s.coldBuf) != 0 { + panic("coldBuf is not empty") + } + s.hotBuf, s.coldBuf = s.coldBuf, s.hotBuf + // hotBuf is now empty and gets new expiration set. + for now.After(s.hotBufExpTime) { + s.hotBufExpTime = s.hotBufExpTime.Add(s.streamDuration) + } +} + +type summaryCounts struct { + // sumBits contains the bits of the float64 representing the sum of all + // observations. sumBits and count have to go first in the struct to + // guarantee alignment for atomic operations. + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG + sumBits uint64 + count uint64 +} + +type noObjectivesSummary struct { + // countAndHotIdx enables lock-free writes with use of atomic updates. + // The most significant bit is the hot index [0 or 1] of the count field + // below. Observe calls update the hot one. All remaining bits count the + // number of Observe calls. Observe starts by incrementing this counter, + // and finish by incrementing the count field in the respective + // summaryCounts, as a marker for completion. + // + // Calls of the Write method (which are non-mutating reads from the + // perspective of the summary) swap the hot–cold under the writeMtx + // lock. A cooldown is awaited (while locked) by comparing the number of + // observations with the initiation count. Once they match, then the + // last observation on the now cool one has completed. All cool fields must + // be merged into the new hot before releasing writeMtx. + + // Fields with atomic access first! See alignment constraint: + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG + countAndHotIdx uint64 + + selfCollector + desc *Desc + writeMtx sync.Mutex // Only used in the Write method. + + // Two counts, one is "hot" for lock-free observations, the other is + // "cold" for writing out a dto.Metric. It has to be an array of + // pointers to guarantee 64bit alignment of the histogramCounts, see + // http://golang.org/pkg/sync/atomic/#pkg-note-BUG. + counts [2]*summaryCounts + + labelPairs []*dto.LabelPair +} + +func (s *noObjectivesSummary) Desc() *Desc { + return s.desc +} + +func (s *noObjectivesSummary) Observe(v float64) { + // We increment h.countAndHotIdx so that the counter in the lower + // 63 bits gets incremented. At the same time, we get the new value + // back, which we can use to find the currently-hot counts. + n := atomic.AddUint64(&s.countAndHotIdx, 1) + hotCounts := s.counts[n>>63] + + for { + oldBits := atomic.LoadUint64(&hotCounts.sumBits) + newBits := math.Float64bits(math.Float64frombits(oldBits) + v) + if atomic.CompareAndSwapUint64(&hotCounts.sumBits, oldBits, newBits) { + break + } + } + // Increment count last as we take it as a signal that the observation + // is complete. + atomic.AddUint64(&hotCounts.count, 1) +} + +func (s *noObjectivesSummary) Write(out *dto.Metric) error { + // For simplicity, we protect this whole method by a mutex. It is not in + // the hot path, i.e. Observe is called much more often than Write. The + // complication of making Write lock-free isn't worth it, if possible at + // all. + s.writeMtx.Lock() + defer s.writeMtx.Unlock() + + // Adding 1<<63 switches the hot index (from 0 to 1 or from 1 to 0) + // without touching the count bits. See the struct comments for a full + // description of the algorithm. + n := atomic.AddUint64(&s.countAndHotIdx, 1<<63) + // count is contained unchanged in the lower 63 bits. + count := n & ((1 << 63) - 1) + // The most significant bit tells us which counts is hot. The complement + // is thus the cold one. + hotCounts := s.counts[n>>63] + coldCounts := s.counts[(^n)>>63] + + // Await cooldown. + for count != atomic.LoadUint64(&coldCounts.count) { + runtime.Gosched() // Let observations get work done. + } + + sum := &dto.Summary{ + SampleCount: proto.Uint64(count), + SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))), + } + + out.Summary = sum + out.Label = s.labelPairs + + // Finally add all the cold counts to the new hot counts and reset the cold counts. + atomic.AddUint64(&hotCounts.count, count) + atomic.StoreUint64(&coldCounts.count, 0) + for { + oldBits := atomic.LoadUint64(&hotCounts.sumBits) + newBits := math.Float64bits(math.Float64frombits(oldBits) + sum.GetSampleSum()) + if atomic.CompareAndSwapUint64(&hotCounts.sumBits, oldBits, newBits) { + atomic.StoreUint64(&coldCounts.sumBits, 0) + break + } + } + return nil +} + +type quantSort []*dto.Quantile + +func (s quantSort) Len() int { + return len(s) +} + +func (s quantSort) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +func (s quantSort) Less(i, j int) bool { + return s[i].GetQuantile() < s[j].GetQuantile() +} + +// SummaryVec is a Collector that bundles a set of Summaries that all share the +// same Desc, but have different values for their variable labels. This is used +// if you want to count the same thing partitioned by various dimensions +// (e.g. HTTP request latencies, partitioned by status code and method). Create +// instances with NewSummaryVec. +type SummaryVec struct { + *metricVec +} + +// NewSummaryVec creates a new SummaryVec based on the provided SummaryOpts and +// partitioned by the given label names. +// +// Due to the way a Summary is represented in the Prometheus text format and how +// it is handled by the Prometheus server internally, “quantile” is an illegal +// label name. NewSummaryVec will panic if this label name is used. +func NewSummaryVec(opts SummaryOpts, labelNames []string) *SummaryVec { + for _, ln := range labelNames { + if ln == quantileLabel { + panic(errQuantileLabelNotAllowed) + } + } + desc := NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + labelNames, + opts.ConstLabels, + ) + return &SummaryVec{ + metricVec: newMetricVec(desc, func(lvs ...string) Metric { + return newSummary(desc, opts, lvs...) + }), + } +} + +// GetMetricWithLabelValues returns the Summary for the given slice of label +// values (same order as the VariableLabels in Desc). If that combination of +// label values is accessed for the first time, a new Summary is created. +// +// It is possible to call this method without using the returned Summary to only +// create the new Summary but leave it at its starting value, a Summary without +// any observations. +// +// Keeping the Summary for later use is possible (and should be considered if +// performance is critical), but keep in mind that Reset, DeleteLabelValues and +// Delete can be used to delete the Summary from the SummaryVec. In that case, +// the Summary will still exist, but it will not be exported anymore, even if a +// Summary with the same label values is created later. See also the CounterVec +// example. +// +// An error is returned if the number of label values is not the same as the +// number of VariableLabels in Desc (minus any curried labels). +// +// Note that for more than one label value, this method is prone to mistakes +// caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as +// an alternative to avoid that type of mistake. For higher label numbers, the +// latter has a much more readable (albeit more verbose) syntax, but it comes +// with a performance overhead (for creating and processing the Labels map). +// See also the GaugeVec example. +func (v *SummaryVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) { + metric, err := v.metricVec.getMetricWithLabelValues(lvs...) + if metric != nil { + return metric.(Observer), err + } + return nil, err +} + +// GetMetricWith returns the Summary for the given Labels map (the label names +// must match those of the VariableLabels in Desc). If that label map is +// accessed for the first time, a new Summary is created. Implications of +// creating a Summary without using it and keeping the Summary for later use are +// the same as for GetMetricWithLabelValues. +// +// An error is returned if the number and names of the Labels are inconsistent +// with those of the VariableLabels in Desc (minus any curried labels). +// +// This method is used for the same purpose as +// GetMetricWithLabelValues(...string). See there for pros and cons of the two +// methods. +func (v *SummaryVec) GetMetricWith(labels Labels) (Observer, error) { + metric, err := v.metricVec.getMetricWith(labels) + if metric != nil { + return metric.(Observer), err + } + return nil, err +} + +// WithLabelValues works as GetMetricWithLabelValues, but panics where +// GetMetricWithLabelValues would have returned an error. Not returning an +// error allows shortcuts like +// myVec.WithLabelValues("404", "GET").Observe(42.21) +func (v *SummaryVec) WithLabelValues(lvs ...string) Observer { + s, err := v.GetMetricWithLabelValues(lvs...) + if err != nil { + panic(err) + } + return s +} + +// With works as GetMetricWith, but panics where GetMetricWithLabels would have +// returned an error. Not returning an error allows shortcuts like +// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Observe(42.21) +func (v *SummaryVec) With(labels Labels) Observer { + s, err := v.GetMetricWith(labels) + if err != nil { + panic(err) + } + return s +} + +// CurryWith returns a vector curried with the provided labels, i.e. the +// returned vector has those labels pre-set for all labeled operations performed +// on it. The cardinality of the curried vector is reduced accordingly. The +// order of the remaining labels stays the same (just with the curried labels +// taken out of the sequence – which is relevant for the +// (GetMetric)WithLabelValues methods). It is possible to curry a curried +// vector, but only with labels not yet used for currying before. +// +// The metrics contained in the SummaryVec are shared between the curried and +// uncurried vectors. They are just accessed differently. Curried and uncurried +// vectors behave identically in terms of collection. Only one must be +// registered with a given registry (usually the uncurried version). The Reset +// method deletes all metrics, even if called on a curried vector. +func (v *SummaryVec) CurryWith(labels Labels) (ObserverVec, error) { + vec, err := v.curryWith(labels) + if vec != nil { + return &SummaryVec{vec}, err + } + return nil, err +} + +// MustCurryWith works as CurryWith but panics where CurryWith would have +// returned an error. +func (v *SummaryVec) MustCurryWith(labels Labels) ObserverVec { + vec, err := v.CurryWith(labels) + if err != nil { + panic(err) + } + return vec +} + +type constSummary struct { + desc *Desc + count uint64 + sum float64 + quantiles map[float64]float64 + labelPairs []*dto.LabelPair +} + +func (s *constSummary) Desc() *Desc { + return s.desc +} + +func (s *constSummary) Write(out *dto.Metric) error { + sum := &dto.Summary{} + qs := make([]*dto.Quantile, 0, len(s.quantiles)) + + sum.SampleCount = proto.Uint64(s.count) + sum.SampleSum = proto.Float64(s.sum) + + for rank, q := range s.quantiles { + qs = append(qs, &dto.Quantile{ + Quantile: proto.Float64(rank), + Value: proto.Float64(q), + }) + } + + if len(qs) > 0 { + sort.Sort(quantSort(qs)) + } + sum.Quantile = qs + + out.Summary = sum + out.Label = s.labelPairs + + return nil +} + +// NewConstSummary returns a metric representing a Prometheus summary with fixed +// values for the count, sum, and quantiles. As those parameters cannot be +// changed, the returned value does not implement the Summary interface (but +// only the Metric interface). Users of this package will not have much use for +// it in regular operations. However, when implementing custom Collectors, it is +// useful as a throw-away metric that is generated on the fly to send it to +// Prometheus in the Collect method. +// +// quantiles maps ranks to quantile values. For example, a median latency of +// 0.23s and a 99th percentile latency of 0.56s would be expressed as: +// map[float64]float64{0.5: 0.23, 0.99: 0.56} +// +// NewConstSummary returns an error if the length of labelValues is not +// consistent with the variable labels in Desc or if Desc is invalid. +func NewConstSummary( + desc *Desc, + count uint64, + sum float64, + quantiles map[float64]float64, + labelValues ...string, +) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil { + return nil, err + } + return &constSummary{ + desc: desc, + count: count, + sum: sum, + quantiles: quantiles, + labelPairs: makeLabelPairs(desc, labelValues), + }, nil +} + +// MustNewConstSummary is a version of NewConstSummary that panics where +// NewConstMetric would have returned an error. +func MustNewConstSummary( + desc *Desc, + count uint64, + sum float64, + quantiles map[float64]float64, + labelValues ...string, +) Metric { + m, err := NewConstSummary(desc, count, sum, quantiles, labelValues...) + if err != nil { + panic(err) + } + return m +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/timer.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/timer.go new file mode 100644 index 000000000..8d5f10523 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/timer.go @@ -0,0 +1,54 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import "time" + +// Timer is a helper type to time functions. Use NewTimer to create new +// instances. +type Timer struct { + begin time.Time + observer Observer +} + +// NewTimer creates a new Timer. The provided Observer is used to observe a +// duration in seconds. Timer is usually used to time a function call in the +// following way: +// func TimeMe() { +// timer := NewTimer(myHistogram) +// defer timer.ObserveDuration() +// // Do actual work. +// } +func NewTimer(o Observer) *Timer { + return &Timer{ + begin: time.Now(), + observer: o, + } +} + +// ObserveDuration records the duration passed since the Timer was created with +// NewTimer. It calls the Observe method of the Observer provided during +// construction with the duration in seconds as an argument. The observed +// duration is also returned. ObserveDuration is usually called with a defer +// statement. +// +// Note that this method is only guaranteed to never observe negative durations +// if used with Go1.9+. +func (t *Timer) ObserveDuration() time.Duration { + d := time.Since(t.begin) + if t.observer != nil { + t.observer.Observe(d.Seconds()) + } + return d +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/untyped.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/untyped.go new file mode 100644 index 000000000..0f9ce63f4 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/untyped.go @@ -0,0 +1,42 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +// UntypedOpts is an alias for Opts. See there for doc comments. +type UntypedOpts Opts + +// UntypedFunc works like GaugeFunc but the collected metric is of type +// "Untyped". UntypedFunc is useful to mirror an external metric of unknown +// type. +// +// To create UntypedFunc instances, use NewUntypedFunc. +type UntypedFunc interface { + Metric + Collector +} + +// NewUntypedFunc creates a new UntypedFunc based on the provided +// UntypedOpts. The value reported is determined by calling the given function +// from within the Write method. Take into account that metric collection may +// happen concurrently. If that results in concurrent calls to Write, like in +// the case where an UntypedFunc is directly registered with Prometheus, the +// provided function must be concurrency-safe. +func NewUntypedFunc(opts UntypedOpts, function func() float64) UntypedFunc { + return newValueFunc(NewDesc( + BuildFQName(opts.Namespace, opts.Subsystem, opts.Name), + opts.Help, + nil, + opts.ConstLabels, + ), UntypedValue, function) +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/value.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/value.go new file mode 100644 index 000000000..6206928cc --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/value.go @@ -0,0 +1,205 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "fmt" + "sort" + "time" + "unicode/utf8" + + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + "github.com/golang/protobuf/ptypes" + + dto "github.com/prometheus/client_model/go" +) + +// ValueType is an enumeration of metric types that represent a simple value. +type ValueType int + +// Possible values for the ValueType enum. Use UntypedValue to mark a metric +// with an unknown type. +const ( + _ ValueType = iota + CounterValue + GaugeValue + UntypedValue +) + +// valueFunc is a generic metric for simple values retrieved on collect time +// from a function. It implements Metric and Collector. Its effective type is +// determined by ValueType. This is a low-level building block used by the +// library to back the implementations of CounterFunc, GaugeFunc, and +// UntypedFunc. +type valueFunc struct { + selfCollector + + desc *Desc + valType ValueType + function func() float64 + labelPairs []*dto.LabelPair +} + +// newValueFunc returns a newly allocated valueFunc with the given Desc and +// ValueType. The value reported is determined by calling the given function +// from within the Write method. Take into account that metric collection may +// happen concurrently. If that results in concurrent calls to Write, like in +// the case where a valueFunc is directly registered with Prometheus, the +// provided function must be concurrency-safe. +func newValueFunc(desc *Desc, valueType ValueType, function func() float64) *valueFunc { + result := &valueFunc{ + desc: desc, + valType: valueType, + function: function, + labelPairs: makeLabelPairs(desc, nil), + } + result.init(result) + return result +} + +func (v *valueFunc) Desc() *Desc { + return v.desc +} + +func (v *valueFunc) Write(out *dto.Metric) error { + return populateMetric(v.valType, v.function(), v.labelPairs, nil, out) +} + +// NewConstMetric returns a metric with one fixed value that cannot be +// changed. Users of this package will not have much use for it in regular +// operations. However, when implementing custom Collectors, it is useful as a +// throw-away metric that is generated on the fly to send it to Prometheus in +// the Collect method. NewConstMetric returns an error if the length of +// labelValues is not consistent with the variable labels in Desc or if Desc is +// invalid. +func NewConstMetric(desc *Desc, valueType ValueType, value float64, labelValues ...string) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil { + return nil, err + } + return &constMetric{ + desc: desc, + valType: valueType, + val: value, + labelPairs: makeLabelPairs(desc, labelValues), + }, nil +} + +// MustNewConstMetric is a version of NewConstMetric that panics where +// NewConstMetric would have returned an error. +func MustNewConstMetric(desc *Desc, valueType ValueType, value float64, labelValues ...string) Metric { + m, err := NewConstMetric(desc, valueType, value, labelValues...) + if err != nil { + panic(err) + } + return m +} + +type constMetric struct { + desc *Desc + valType ValueType + val float64 + labelPairs []*dto.LabelPair +} + +func (m *constMetric) Desc() *Desc { + return m.desc +} + +func (m *constMetric) Write(out *dto.Metric) error { + return populateMetric(m.valType, m.val, m.labelPairs, nil, out) +} + +func populateMetric( + t ValueType, + v float64, + labelPairs []*dto.LabelPair, + e *dto.Exemplar, + m *dto.Metric, +) error { + m.Label = labelPairs + switch t { + case CounterValue: + m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e} + case GaugeValue: + m.Gauge = &dto.Gauge{Value: proto.Float64(v)} + case UntypedValue: + m.Untyped = &dto.Untyped{Value: proto.Float64(v)} + default: + return fmt.Errorf("encountered unknown type %v", t) + } + return nil +} + +func makeLabelPairs(desc *Desc, labelValues []string) []*dto.LabelPair { + totalLen := len(desc.variableLabels) + len(desc.constLabelPairs) + if totalLen == 0 { + // Super fast path. + return nil + } + if len(desc.variableLabels) == 0 { + // Moderately fast path. + return desc.constLabelPairs + } + labelPairs := make([]*dto.LabelPair, 0, totalLen) + for i, n := range desc.variableLabels { + labelPairs = append(labelPairs, &dto.LabelPair{ + Name: proto.String(n), + Value: proto.String(labelValues[i]), + }) + } + labelPairs = append(labelPairs, desc.constLabelPairs...) + sort.Sort(labelPairSorter(labelPairs)) + return labelPairs +} + +// ExemplarMaxRunes is the max total number of runes allowed in exemplar labels. +const ExemplarMaxRunes = 64 + +// newExemplar creates a new dto.Exemplar from the provided values. An error is +// returned if any of the label names or values are invalid or if the total +// number of runes in the label names and values exceeds ExemplarMaxRunes. +func newExemplar(value float64, ts time.Time, l Labels) (*dto.Exemplar, error) { + e := &dto.Exemplar{} + e.Value = proto.Float64(value) + tsProto, err := ptypes.TimestampProto(ts) + if err != nil { + return nil, err + } + e.Timestamp = tsProto + labelPairs := make([]*dto.LabelPair, 0, len(l)) + var runes int + for name, value := range l { + if !checkLabelName(name) { + return nil, fmt.Errorf("exemplar label name %q is invalid", name) + } + runes += utf8.RuneCountInString(name) + if !utf8.ValidString(value) { + return nil, fmt.Errorf("exemplar label value %q is not valid UTF-8", value) + } + runes += utf8.RuneCountInString(value) + labelPairs = append(labelPairs, &dto.LabelPair{ + Name: proto.String(name), + Value: proto.String(value), + }) + } + if runes > ExemplarMaxRunes { + return nil, fmt.Errorf("exemplar labels have %d runes, exceeding the limit of %d", runes, ExemplarMaxRunes) + } + e.Label = labelPairs + return e, nil +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/vec.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/vec.go new file mode 100644 index 000000000..d53848dc4 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/vec.go @@ -0,0 +1,484 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "fmt" + "sync" + + "github.com/prometheus/common/model" +) + +// metricVec is a Collector to bundle metrics of the same name that differ in +// their label values. metricVec is not used directly (and therefore +// unexported). It is used as a building block for implementations of vectors of +// a given metric type, like GaugeVec, CounterVec, SummaryVec, and HistogramVec. +// It also handles label currying. +type metricVec struct { + *metricMap + + curry []curriedLabelValue + + // hashAdd and hashAddByte can be replaced for testing collision handling. + hashAdd func(h uint64, s string) uint64 + hashAddByte func(h uint64, b byte) uint64 +} + +// newMetricVec returns an initialized metricVec. +func newMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *metricVec { + return &metricVec{ + metricMap: &metricMap{ + metrics: map[uint64][]metricWithLabelValues{}, + desc: desc, + newMetric: newMetric, + }, + hashAdd: hashAdd, + hashAddByte: hashAddByte, + } +} + +// DeleteLabelValues removes the metric where the variable labels are the same +// as those passed in as labels (same order as the VariableLabels in Desc). It +// returns true if a metric was deleted. +// +// It is not an error if the number of label values is not the same as the +// number of VariableLabels in Desc. However, such inconsistent label count can +// never match an actual metric, so the method will always return false in that +// case. +// +// Note that for more than one label value, this method is prone to mistakes +// caused by an incorrect order of arguments. Consider Delete(Labels) as an +// alternative to avoid that type of mistake. For higher label numbers, the +// latter has a much more readable (albeit more verbose) syntax, but it comes +// with a performance overhead (for creating and processing the Labels map). +// See also the CounterVec example. +func (m *metricVec) DeleteLabelValues(lvs ...string) bool { + h, err := m.hashLabelValues(lvs) + if err != nil { + return false + } + + return m.metricMap.deleteByHashWithLabelValues(h, lvs, m.curry) +} + +// Delete deletes the metric where the variable labels are the same as those +// passed in as labels. It returns true if a metric was deleted. +// +// It is not an error if the number and names of the Labels are inconsistent +// with those of the VariableLabels in Desc. However, such inconsistent Labels +// can never match an actual metric, so the method will always return false in +// that case. +// +// This method is used for the same purpose as DeleteLabelValues(...string). See +// there for pros and cons of the two methods. +func (m *metricVec) Delete(labels Labels) bool { + h, err := m.hashLabels(labels) + if err != nil { + return false + } + + return m.metricMap.deleteByHashWithLabels(h, labels, m.curry) +} + +// Without explicit forwarding of Describe, Collect, Reset, those methods won't +// show up in GoDoc. + +// Describe implements Collector. +func (m *metricVec) Describe(ch chan<- *Desc) { m.metricMap.Describe(ch) } + +// Collect implements Collector. +func (m *metricVec) Collect(ch chan<- Metric) { m.metricMap.Collect(ch) } + +// Reset deletes all metrics in this vector. +func (m *metricVec) Reset() { m.metricMap.Reset() } + +func (m *metricVec) curryWith(labels Labels) (*metricVec, error) { + var ( + newCurry []curriedLabelValue + oldCurry = m.curry + iCurry int + ) + for i, label := range m.desc.variableLabels { + val, ok := labels[label] + if iCurry < len(oldCurry) && oldCurry[iCurry].index == i { + if ok { + return nil, fmt.Errorf("label name %q is already curried", label) + } + newCurry = append(newCurry, oldCurry[iCurry]) + iCurry++ + } else { + if !ok { + continue // Label stays uncurried. + } + newCurry = append(newCurry, curriedLabelValue{i, val}) + } + } + if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 { + return nil, fmt.Errorf("%d unknown label(s) found during currying", l) + } + + return &metricVec{ + metricMap: m.metricMap, + curry: newCurry, + hashAdd: m.hashAdd, + hashAddByte: m.hashAddByte, + }, nil +} + +func (m *metricVec) getMetricWithLabelValues(lvs ...string) (Metric, error) { + h, err := m.hashLabelValues(lvs) + if err != nil { + return nil, err + } + + return m.metricMap.getOrCreateMetricWithLabelValues(h, lvs, m.curry), nil +} + +func (m *metricVec) getMetricWith(labels Labels) (Metric, error) { + h, err := m.hashLabels(labels) + if err != nil { + return nil, err + } + + return m.metricMap.getOrCreateMetricWithLabels(h, labels, m.curry), nil +} + +func (m *metricVec) hashLabelValues(vals []string) (uint64, error) { + if err := validateLabelValues(vals, len(m.desc.variableLabels)-len(m.curry)); err != nil { + return 0, err + } + + var ( + h = hashNew() + curry = m.curry + iVals, iCurry int + ) + for i := 0; i < len(m.desc.variableLabels); i++ { + if iCurry < len(curry) && curry[iCurry].index == i { + h = m.hashAdd(h, curry[iCurry].value) + iCurry++ + } else { + h = m.hashAdd(h, vals[iVals]) + iVals++ + } + h = m.hashAddByte(h, model.SeparatorByte) + } + return h, nil +} + +func (m *metricVec) hashLabels(labels Labels) (uint64, error) { + if err := validateValuesInLabels(labels, len(m.desc.variableLabels)-len(m.curry)); err != nil { + return 0, err + } + + var ( + h = hashNew() + curry = m.curry + iCurry int + ) + for i, label := range m.desc.variableLabels { + val, ok := labels[label] + if iCurry < len(curry) && curry[iCurry].index == i { + if ok { + return 0, fmt.Errorf("label name %q is already curried", label) + } + h = m.hashAdd(h, curry[iCurry].value) + iCurry++ + } else { + if !ok { + return 0, fmt.Errorf("label name %q missing in label map", label) + } + h = m.hashAdd(h, val) + } + h = m.hashAddByte(h, model.SeparatorByte) + } + return h, nil +} + +// metricWithLabelValues provides the metric and its label values for +// disambiguation on hash collision. +type metricWithLabelValues struct { + values []string + metric Metric +} + +// curriedLabelValue sets the curried value for a label at the given index. +type curriedLabelValue struct { + index int + value string +} + +// metricMap is a helper for metricVec and shared between differently curried +// metricVecs. +type metricMap struct { + mtx sync.RWMutex // Protects metrics. + metrics map[uint64][]metricWithLabelValues + desc *Desc + newMetric func(labelValues ...string) Metric +} + +// Describe implements Collector. It will send exactly one Desc to the provided +// channel. +func (m *metricMap) Describe(ch chan<- *Desc) { + ch <- m.desc +} + +// Collect implements Collector. +func (m *metricMap) Collect(ch chan<- Metric) { + m.mtx.RLock() + defer m.mtx.RUnlock() + + for _, metrics := range m.metrics { + for _, metric := range metrics { + ch <- metric.metric + } + } +} + +// Reset deletes all metrics in this vector. +func (m *metricMap) Reset() { + m.mtx.Lock() + defer m.mtx.Unlock() + + for h := range m.metrics { + delete(m.metrics, h) + } +} + +// deleteByHashWithLabelValues removes the metric from the hash bucket h. If +// there are multiple matches in the bucket, use lvs to select a metric and +// remove only that metric. +func (m *metricMap) deleteByHashWithLabelValues( + h uint64, lvs []string, curry []curriedLabelValue, +) bool { + m.mtx.Lock() + defer m.mtx.Unlock() + + metrics, ok := m.metrics[h] + if !ok { + return false + } + + i := findMetricWithLabelValues(metrics, lvs, curry) + if i >= len(metrics) { + return false + } + + if len(metrics) > 1 { + m.metrics[h] = append(metrics[:i], metrics[i+1:]...) + } else { + delete(m.metrics, h) + } + return true +} + +// deleteByHashWithLabels removes the metric from the hash bucket h. If there +// are multiple matches in the bucket, use lvs to select a metric and remove +// only that metric. +func (m *metricMap) deleteByHashWithLabels( + h uint64, labels Labels, curry []curriedLabelValue, +) bool { + m.mtx.Lock() + defer m.mtx.Unlock() + + metrics, ok := m.metrics[h] + if !ok { + return false + } + i := findMetricWithLabels(m.desc, metrics, labels, curry) + if i >= len(metrics) { + return false + } + + if len(metrics) > 1 { + m.metrics[h] = append(metrics[:i], metrics[i+1:]...) + } else { + delete(m.metrics, h) + } + return true +} + +// getOrCreateMetricWithLabelValues retrieves the metric by hash and label value +// or creates it and returns the new one. +// +// This function holds the mutex. +func (m *metricMap) getOrCreateMetricWithLabelValues( + hash uint64, lvs []string, curry []curriedLabelValue, +) Metric { + m.mtx.RLock() + metric, ok := m.getMetricWithHashAndLabelValues(hash, lvs, curry) + m.mtx.RUnlock() + if ok { + return metric + } + + m.mtx.Lock() + defer m.mtx.Unlock() + metric, ok = m.getMetricWithHashAndLabelValues(hash, lvs, curry) + if !ok { + inlinedLVs := inlineLabelValues(lvs, curry) + metric = m.newMetric(inlinedLVs...) + m.metrics[hash] = append(m.metrics[hash], metricWithLabelValues{values: inlinedLVs, metric: metric}) + } + return metric +} + +// getOrCreateMetricWithLabelValues retrieves the metric by hash and label value +// or creates it and returns the new one. +// +// This function holds the mutex. +func (m *metricMap) getOrCreateMetricWithLabels( + hash uint64, labels Labels, curry []curriedLabelValue, +) Metric { + m.mtx.RLock() + metric, ok := m.getMetricWithHashAndLabels(hash, labels, curry) + m.mtx.RUnlock() + if ok { + return metric + } + + m.mtx.Lock() + defer m.mtx.Unlock() + metric, ok = m.getMetricWithHashAndLabels(hash, labels, curry) + if !ok { + lvs := extractLabelValues(m.desc, labels, curry) + metric = m.newMetric(lvs...) + m.metrics[hash] = append(m.metrics[hash], metricWithLabelValues{values: lvs, metric: metric}) + } + return metric +} + +// getMetricWithHashAndLabelValues gets a metric while handling possible +// collisions in the hash space. Must be called while holding the read mutex. +func (m *metricMap) getMetricWithHashAndLabelValues( + h uint64, lvs []string, curry []curriedLabelValue, +) (Metric, bool) { + metrics, ok := m.metrics[h] + if ok { + if i := findMetricWithLabelValues(metrics, lvs, curry); i < len(metrics) { + return metrics[i].metric, true + } + } + return nil, false +} + +// getMetricWithHashAndLabels gets a metric while handling possible collisions in +// the hash space. Must be called while holding read mutex. +func (m *metricMap) getMetricWithHashAndLabels( + h uint64, labels Labels, curry []curriedLabelValue, +) (Metric, bool) { + metrics, ok := m.metrics[h] + if ok { + if i := findMetricWithLabels(m.desc, metrics, labels, curry); i < len(metrics) { + return metrics[i].metric, true + } + } + return nil, false +} + +// findMetricWithLabelValues returns the index of the matching metric or +// len(metrics) if not found. +func findMetricWithLabelValues( + metrics []metricWithLabelValues, lvs []string, curry []curriedLabelValue, +) int { + for i, metric := range metrics { + if matchLabelValues(metric.values, lvs, curry) { + return i + } + } + return len(metrics) +} + +// findMetricWithLabels returns the index of the matching metric or len(metrics) +// if not found. +func findMetricWithLabels( + desc *Desc, metrics []metricWithLabelValues, labels Labels, curry []curriedLabelValue, +) int { + for i, metric := range metrics { + if matchLabels(desc, metric.values, labels, curry) { + return i + } + } + return len(metrics) +} + +func matchLabelValues(values []string, lvs []string, curry []curriedLabelValue) bool { + if len(values) != len(lvs)+len(curry) { + return false + } + var iLVs, iCurry int + for i, v := range values { + if iCurry < len(curry) && curry[iCurry].index == i { + if v != curry[iCurry].value { + return false + } + iCurry++ + continue + } + if v != lvs[iLVs] { + return false + } + iLVs++ + } + return true +} + +func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabelValue) bool { + if len(values) != len(labels)+len(curry) { + return false + } + iCurry := 0 + for i, k := range desc.variableLabels { + if iCurry < len(curry) && curry[iCurry].index == i { + if values[i] != curry[iCurry].value { + return false + } + iCurry++ + continue + } + if values[i] != labels[k] { + return false + } + } + return true +} + +func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []string { + labelValues := make([]string, len(labels)+len(curry)) + iCurry := 0 + for i, k := range desc.variableLabels { + if iCurry < len(curry) && curry[iCurry].index == i { + labelValues[i] = curry[iCurry].value + iCurry++ + continue + } + labelValues[i] = labels[k] + } + return labelValues +} + +func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string { + labelValues := make([]string, len(lvs)+len(curry)) + var iCurry, iLVs int + for i := range labelValues { + if iCurry < len(curry) && curry[iCurry].index == i { + labelValues[i] = curry[iCurry].value + iCurry++ + continue + } + labelValues[i] = lvs[iLVs] + iLVs++ + } + return labelValues +} diff --git a/constraint/vendor/github.com/prometheus/client_golang/prometheus/wrap.go b/constraint/vendor/github.com/prometheus/client_golang/prometheus/wrap.go new file mode 100644 index 000000000..438aa5e92 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_golang/prometheus/wrap.go @@ -0,0 +1,212 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package prometheus + +import ( + "fmt" + "sort" + + //lint:ignore SA1019 Need to keep deprecated package for compatibility. + "github.com/golang/protobuf/proto" + + dto "github.com/prometheus/client_model/go" +) + +// WrapRegistererWith returns a Registerer wrapping the provided +// Registerer. Collectors registered with the returned Registerer will be +// registered with the wrapped Registerer in a modified way. The modified +// Collector adds the provided Labels to all Metrics it collects (as +// ConstLabels). The Metrics collected by the unmodified Collector must not +// duplicate any of those labels. Wrapping a nil value is valid, resulting +// in a no-op Registerer. +// +// WrapRegistererWith provides a way to add fixed labels to a subset of +// Collectors. It should not be used to add fixed labels to all metrics exposed. +// +// Conflicts between Collectors registered through the original Registerer with +// Collectors registered through the wrapping Registerer will still be +// detected. Any AlreadyRegisteredError returned by the Register method of +// either Registerer will contain the ExistingCollector in the form it was +// provided to the respective registry. +// +// The Collector example demonstrates a use of WrapRegistererWith. +func WrapRegistererWith(labels Labels, reg Registerer) Registerer { + return &wrappingRegisterer{ + wrappedRegisterer: reg, + labels: labels, + } +} + +// WrapRegistererWithPrefix returns a Registerer wrapping the provided +// Registerer. Collectors registered with the returned Registerer will be +// registered with the wrapped Registerer in a modified way. The modified +// Collector adds the provided prefix to the name of all Metrics it collects. +// Wrapping a nil value is valid, resulting in a no-op Registerer. +// +// WrapRegistererWithPrefix is useful to have one place to prefix all metrics of +// a sub-system. To make this work, register metrics of the sub-system with the +// wrapping Registerer returned by WrapRegistererWithPrefix. It is rarely useful +// to use the same prefix for all metrics exposed. In particular, do not prefix +// metric names that are standardized across applications, as that would break +// horizontal monitoring, for example the metrics provided by the Go collector +// (see NewGoCollector) and the process collector (see NewProcessCollector). (In +// fact, those metrics are already prefixed with “go_” or “process_”, +// respectively.) +// +// Conflicts between Collectors registered through the original Registerer with +// Collectors registered through the wrapping Registerer will still be +// detected. Any AlreadyRegisteredError returned by the Register method of +// either Registerer will contain the ExistingCollector in the form it was +// provided to the respective registry. +func WrapRegistererWithPrefix(prefix string, reg Registerer) Registerer { + return &wrappingRegisterer{ + wrappedRegisterer: reg, + prefix: prefix, + } +} + +type wrappingRegisterer struct { + wrappedRegisterer Registerer + prefix string + labels Labels +} + +func (r *wrappingRegisterer) Register(c Collector) error { + if r.wrappedRegisterer == nil { + return nil + } + return r.wrappedRegisterer.Register(&wrappingCollector{ + wrappedCollector: c, + prefix: r.prefix, + labels: r.labels, + }) +} + +func (r *wrappingRegisterer) MustRegister(cs ...Collector) { + if r.wrappedRegisterer == nil { + return + } + for _, c := range cs { + if err := r.Register(c); err != nil { + panic(err) + } + } +} + +func (r *wrappingRegisterer) Unregister(c Collector) bool { + if r.wrappedRegisterer == nil { + return false + } + return r.wrappedRegisterer.Unregister(&wrappingCollector{ + wrappedCollector: c, + prefix: r.prefix, + labels: r.labels, + }) +} + +type wrappingCollector struct { + wrappedCollector Collector + prefix string + labels Labels +} + +func (c *wrappingCollector) Collect(ch chan<- Metric) { + wrappedCh := make(chan Metric) + go func() { + c.wrappedCollector.Collect(wrappedCh) + close(wrappedCh) + }() + for m := range wrappedCh { + ch <- &wrappingMetric{ + wrappedMetric: m, + prefix: c.prefix, + labels: c.labels, + } + } +} + +func (c *wrappingCollector) Describe(ch chan<- *Desc) { + wrappedCh := make(chan *Desc) + go func() { + c.wrappedCollector.Describe(wrappedCh) + close(wrappedCh) + }() + for desc := range wrappedCh { + ch <- wrapDesc(desc, c.prefix, c.labels) + } +} + +func (c *wrappingCollector) unwrapRecursively() Collector { + switch wc := c.wrappedCollector.(type) { + case *wrappingCollector: + return wc.unwrapRecursively() + default: + return wc + } +} + +type wrappingMetric struct { + wrappedMetric Metric + prefix string + labels Labels +} + +func (m *wrappingMetric) Desc() *Desc { + return wrapDesc(m.wrappedMetric.Desc(), m.prefix, m.labels) +} + +func (m *wrappingMetric) Write(out *dto.Metric) error { + if err := m.wrappedMetric.Write(out); err != nil { + return err + } + if len(m.labels) == 0 { + // No wrapping labels. + return nil + } + for ln, lv := range m.labels { + out.Label = append(out.Label, &dto.LabelPair{ + Name: proto.String(ln), + Value: proto.String(lv), + }) + } + sort.Sort(labelPairSorter(out.Label)) + return nil +} + +func wrapDesc(desc *Desc, prefix string, labels Labels) *Desc { + constLabels := Labels{} + for _, lp := range desc.constLabelPairs { + constLabels[*lp.Name] = *lp.Value + } + for ln, lv := range labels { + if _, alreadyUsed := constLabels[ln]; alreadyUsed { + return &Desc{ + fqName: desc.fqName, + help: desc.help, + variableLabels: desc.variableLabels, + constLabelPairs: desc.constLabelPairs, + err: fmt.Errorf("attempted wrapping with already existing label name %q", ln), + } + } + constLabels[ln] = lv + } + // NewDesc will do remaining validations. + newDesc := NewDesc(prefix+desc.fqName, desc.help, desc.variableLabels, constLabels) + // Propagate errors if there was any. This will override any errer + // created by NewDesc above, i.e. earlier errors get precedence. + if desc.err != nil { + newDesc.err = desc.err + } + return newDesc +} diff --git a/constraint/vendor/github.com/prometheus/client_model/LICENSE b/constraint/vendor/github.com/prometheus/client_model/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_model/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/constraint/vendor/github.com/prometheus/client_model/NOTICE b/constraint/vendor/github.com/prometheus/client_model/NOTICE new file mode 100644 index 000000000..20110e410 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_model/NOTICE @@ -0,0 +1,5 @@ +Data model artifacts for Prometheus. +Copyright 2012-2015 The Prometheus Authors + +This product includes software developed at +SoundCloud Ltd. (http://soundcloud.com/). diff --git a/constraint/vendor/github.com/prometheus/client_model/go/metrics.pb.go b/constraint/vendor/github.com/prometheus/client_model/go/metrics.pb.go new file mode 100644 index 000000000..2f4930d9d --- /dev/null +++ b/constraint/vendor/github.com/prometheus/client_model/go/metrics.pb.go @@ -0,0 +1,723 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// source: metrics.proto + +package io_prometheus_client + +import ( + fmt "fmt" + proto "github.com/golang/protobuf/proto" + timestamp "github.com/golang/protobuf/ptypes/timestamp" + math "math" +) + +// Reference imports to suppress errors if they are not otherwise used. +var _ = proto.Marshal +var _ = fmt.Errorf +var _ = math.Inf + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the proto package it is being compiled against. +// A compilation error at this line likely means your copy of the +// proto package needs to be updated. +const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package + +type MetricType int32 + +const ( + MetricType_COUNTER MetricType = 0 + MetricType_GAUGE MetricType = 1 + MetricType_SUMMARY MetricType = 2 + MetricType_UNTYPED MetricType = 3 + MetricType_HISTOGRAM MetricType = 4 +) + +var MetricType_name = map[int32]string{ + 0: "COUNTER", + 1: "GAUGE", + 2: "SUMMARY", + 3: "UNTYPED", + 4: "HISTOGRAM", +} + +var MetricType_value = map[string]int32{ + "COUNTER": 0, + "GAUGE": 1, + "SUMMARY": 2, + "UNTYPED": 3, + "HISTOGRAM": 4, +} + +func (x MetricType) Enum() *MetricType { + p := new(MetricType) + *p = x + return p +} + +func (x MetricType) String() string { + return proto.EnumName(MetricType_name, int32(x)) +} + +func (x *MetricType) UnmarshalJSON(data []byte) error { + value, err := proto.UnmarshalJSONEnum(MetricType_value, data, "MetricType") + if err != nil { + return err + } + *x = MetricType(value) + return nil +} + +func (MetricType) EnumDescriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{0} +} + +type LabelPair struct { + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + Value *string `protobuf:"bytes,2,opt,name=value" json:"value,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *LabelPair) Reset() { *m = LabelPair{} } +func (m *LabelPair) String() string { return proto.CompactTextString(m) } +func (*LabelPair) ProtoMessage() {} +func (*LabelPair) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{0} +} + +func (m *LabelPair) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_LabelPair.Unmarshal(m, b) +} +func (m *LabelPair) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_LabelPair.Marshal(b, m, deterministic) +} +func (m *LabelPair) XXX_Merge(src proto.Message) { + xxx_messageInfo_LabelPair.Merge(m, src) +} +func (m *LabelPair) XXX_Size() int { + return xxx_messageInfo_LabelPair.Size(m) +} +func (m *LabelPair) XXX_DiscardUnknown() { + xxx_messageInfo_LabelPair.DiscardUnknown(m) +} + +var xxx_messageInfo_LabelPair proto.InternalMessageInfo + +func (m *LabelPair) GetName() string { + if m != nil && m.Name != nil { + return *m.Name + } + return "" +} + +func (m *LabelPair) GetValue() string { + if m != nil && m.Value != nil { + return *m.Value + } + return "" +} + +type Gauge struct { + Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Gauge) Reset() { *m = Gauge{} } +func (m *Gauge) String() string { return proto.CompactTextString(m) } +func (*Gauge) ProtoMessage() {} +func (*Gauge) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{1} +} + +func (m *Gauge) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Gauge.Unmarshal(m, b) +} +func (m *Gauge) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Gauge.Marshal(b, m, deterministic) +} +func (m *Gauge) XXX_Merge(src proto.Message) { + xxx_messageInfo_Gauge.Merge(m, src) +} +func (m *Gauge) XXX_Size() int { + return xxx_messageInfo_Gauge.Size(m) +} +func (m *Gauge) XXX_DiscardUnknown() { + xxx_messageInfo_Gauge.DiscardUnknown(m) +} + +var xxx_messageInfo_Gauge proto.InternalMessageInfo + +func (m *Gauge) GetValue() float64 { + if m != nil && m.Value != nil { + return *m.Value + } + return 0 +} + +type Counter struct { + Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"` + Exemplar *Exemplar `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Counter) Reset() { *m = Counter{} } +func (m *Counter) String() string { return proto.CompactTextString(m) } +func (*Counter) ProtoMessage() {} +func (*Counter) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{2} +} + +func (m *Counter) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Counter.Unmarshal(m, b) +} +func (m *Counter) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Counter.Marshal(b, m, deterministic) +} +func (m *Counter) XXX_Merge(src proto.Message) { + xxx_messageInfo_Counter.Merge(m, src) +} +func (m *Counter) XXX_Size() int { + return xxx_messageInfo_Counter.Size(m) +} +func (m *Counter) XXX_DiscardUnknown() { + xxx_messageInfo_Counter.DiscardUnknown(m) +} + +var xxx_messageInfo_Counter proto.InternalMessageInfo + +func (m *Counter) GetValue() float64 { + if m != nil && m.Value != nil { + return *m.Value + } + return 0 +} + +func (m *Counter) GetExemplar() *Exemplar { + if m != nil { + return m.Exemplar + } + return nil +} + +type Quantile struct { + Quantile *float64 `protobuf:"fixed64,1,opt,name=quantile" json:"quantile,omitempty"` + Value *float64 `protobuf:"fixed64,2,opt,name=value" json:"value,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Quantile) Reset() { *m = Quantile{} } +func (m *Quantile) String() string { return proto.CompactTextString(m) } +func (*Quantile) ProtoMessage() {} +func (*Quantile) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{3} +} + +func (m *Quantile) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Quantile.Unmarshal(m, b) +} +func (m *Quantile) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Quantile.Marshal(b, m, deterministic) +} +func (m *Quantile) XXX_Merge(src proto.Message) { + xxx_messageInfo_Quantile.Merge(m, src) +} +func (m *Quantile) XXX_Size() int { + return xxx_messageInfo_Quantile.Size(m) +} +func (m *Quantile) XXX_DiscardUnknown() { + xxx_messageInfo_Quantile.DiscardUnknown(m) +} + +var xxx_messageInfo_Quantile proto.InternalMessageInfo + +func (m *Quantile) GetQuantile() float64 { + if m != nil && m.Quantile != nil { + return *m.Quantile + } + return 0 +} + +func (m *Quantile) GetValue() float64 { + if m != nil && m.Value != nil { + return *m.Value + } + return 0 +} + +type Summary struct { + SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"` + SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"` + Quantile []*Quantile `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Summary) Reset() { *m = Summary{} } +func (m *Summary) String() string { return proto.CompactTextString(m) } +func (*Summary) ProtoMessage() {} +func (*Summary) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{4} +} + +func (m *Summary) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Summary.Unmarshal(m, b) +} +func (m *Summary) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Summary.Marshal(b, m, deterministic) +} +func (m *Summary) XXX_Merge(src proto.Message) { + xxx_messageInfo_Summary.Merge(m, src) +} +func (m *Summary) XXX_Size() int { + return xxx_messageInfo_Summary.Size(m) +} +func (m *Summary) XXX_DiscardUnknown() { + xxx_messageInfo_Summary.DiscardUnknown(m) +} + +var xxx_messageInfo_Summary proto.InternalMessageInfo + +func (m *Summary) GetSampleCount() uint64 { + if m != nil && m.SampleCount != nil { + return *m.SampleCount + } + return 0 +} + +func (m *Summary) GetSampleSum() float64 { + if m != nil && m.SampleSum != nil { + return *m.SampleSum + } + return 0 +} + +func (m *Summary) GetQuantile() []*Quantile { + if m != nil { + return m.Quantile + } + return nil +} + +type Untyped struct { + Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Untyped) Reset() { *m = Untyped{} } +func (m *Untyped) String() string { return proto.CompactTextString(m) } +func (*Untyped) ProtoMessage() {} +func (*Untyped) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{5} +} + +func (m *Untyped) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Untyped.Unmarshal(m, b) +} +func (m *Untyped) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Untyped.Marshal(b, m, deterministic) +} +func (m *Untyped) XXX_Merge(src proto.Message) { + xxx_messageInfo_Untyped.Merge(m, src) +} +func (m *Untyped) XXX_Size() int { + return xxx_messageInfo_Untyped.Size(m) +} +func (m *Untyped) XXX_DiscardUnknown() { + xxx_messageInfo_Untyped.DiscardUnknown(m) +} + +var xxx_messageInfo_Untyped proto.InternalMessageInfo + +func (m *Untyped) GetValue() float64 { + if m != nil && m.Value != nil { + return *m.Value + } + return 0 +} + +type Histogram struct { + SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"` + SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"` + Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Histogram) Reset() { *m = Histogram{} } +func (m *Histogram) String() string { return proto.CompactTextString(m) } +func (*Histogram) ProtoMessage() {} +func (*Histogram) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{6} +} + +func (m *Histogram) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Histogram.Unmarshal(m, b) +} +func (m *Histogram) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Histogram.Marshal(b, m, deterministic) +} +func (m *Histogram) XXX_Merge(src proto.Message) { + xxx_messageInfo_Histogram.Merge(m, src) +} +func (m *Histogram) XXX_Size() int { + return xxx_messageInfo_Histogram.Size(m) +} +func (m *Histogram) XXX_DiscardUnknown() { + xxx_messageInfo_Histogram.DiscardUnknown(m) +} + +var xxx_messageInfo_Histogram proto.InternalMessageInfo + +func (m *Histogram) GetSampleCount() uint64 { + if m != nil && m.SampleCount != nil { + return *m.SampleCount + } + return 0 +} + +func (m *Histogram) GetSampleSum() float64 { + if m != nil && m.SampleSum != nil { + return *m.SampleSum + } + return 0 +} + +func (m *Histogram) GetBucket() []*Bucket { + if m != nil { + return m.Bucket + } + return nil +} + +type Bucket struct { + CumulativeCount *uint64 `protobuf:"varint,1,opt,name=cumulative_count,json=cumulativeCount" json:"cumulative_count,omitempty"` + UpperBound *float64 `protobuf:"fixed64,2,opt,name=upper_bound,json=upperBound" json:"upper_bound,omitempty"` + Exemplar *Exemplar `protobuf:"bytes,3,opt,name=exemplar" json:"exemplar,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Bucket) Reset() { *m = Bucket{} } +func (m *Bucket) String() string { return proto.CompactTextString(m) } +func (*Bucket) ProtoMessage() {} +func (*Bucket) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{7} +} + +func (m *Bucket) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Bucket.Unmarshal(m, b) +} +func (m *Bucket) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Bucket.Marshal(b, m, deterministic) +} +func (m *Bucket) XXX_Merge(src proto.Message) { + xxx_messageInfo_Bucket.Merge(m, src) +} +func (m *Bucket) XXX_Size() int { + return xxx_messageInfo_Bucket.Size(m) +} +func (m *Bucket) XXX_DiscardUnknown() { + xxx_messageInfo_Bucket.DiscardUnknown(m) +} + +var xxx_messageInfo_Bucket proto.InternalMessageInfo + +func (m *Bucket) GetCumulativeCount() uint64 { + if m != nil && m.CumulativeCount != nil { + return *m.CumulativeCount + } + return 0 +} + +func (m *Bucket) GetUpperBound() float64 { + if m != nil && m.UpperBound != nil { + return *m.UpperBound + } + return 0 +} + +func (m *Bucket) GetExemplar() *Exemplar { + if m != nil { + return m.Exemplar + } + return nil +} + +type Exemplar struct { + Label []*LabelPair `protobuf:"bytes,1,rep,name=label" json:"label,omitempty"` + Value *float64 `protobuf:"fixed64,2,opt,name=value" json:"value,omitempty"` + Timestamp *timestamp.Timestamp `protobuf:"bytes,3,opt,name=timestamp" json:"timestamp,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Exemplar) Reset() { *m = Exemplar{} } +func (m *Exemplar) String() string { return proto.CompactTextString(m) } +func (*Exemplar) ProtoMessage() {} +func (*Exemplar) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{8} +} + +func (m *Exemplar) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Exemplar.Unmarshal(m, b) +} +func (m *Exemplar) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Exemplar.Marshal(b, m, deterministic) +} +func (m *Exemplar) XXX_Merge(src proto.Message) { + xxx_messageInfo_Exemplar.Merge(m, src) +} +func (m *Exemplar) XXX_Size() int { + return xxx_messageInfo_Exemplar.Size(m) +} +func (m *Exemplar) XXX_DiscardUnknown() { + xxx_messageInfo_Exemplar.DiscardUnknown(m) +} + +var xxx_messageInfo_Exemplar proto.InternalMessageInfo + +func (m *Exemplar) GetLabel() []*LabelPair { + if m != nil { + return m.Label + } + return nil +} + +func (m *Exemplar) GetValue() float64 { + if m != nil && m.Value != nil { + return *m.Value + } + return 0 +} + +func (m *Exemplar) GetTimestamp() *timestamp.Timestamp { + if m != nil { + return m.Timestamp + } + return nil +} + +type Metric struct { + Label []*LabelPair `protobuf:"bytes,1,rep,name=label" json:"label,omitempty"` + Gauge *Gauge `protobuf:"bytes,2,opt,name=gauge" json:"gauge,omitempty"` + Counter *Counter `protobuf:"bytes,3,opt,name=counter" json:"counter,omitempty"` + Summary *Summary `protobuf:"bytes,4,opt,name=summary" json:"summary,omitempty"` + Untyped *Untyped `protobuf:"bytes,5,opt,name=untyped" json:"untyped,omitempty"` + Histogram *Histogram `protobuf:"bytes,7,opt,name=histogram" json:"histogram,omitempty"` + TimestampMs *int64 `protobuf:"varint,6,opt,name=timestamp_ms,json=timestampMs" json:"timestamp_ms,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Metric) Reset() { *m = Metric{} } +func (m *Metric) String() string { return proto.CompactTextString(m) } +func (*Metric) ProtoMessage() {} +func (*Metric) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{9} +} + +func (m *Metric) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Metric.Unmarshal(m, b) +} +func (m *Metric) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Metric.Marshal(b, m, deterministic) +} +func (m *Metric) XXX_Merge(src proto.Message) { + xxx_messageInfo_Metric.Merge(m, src) +} +func (m *Metric) XXX_Size() int { + return xxx_messageInfo_Metric.Size(m) +} +func (m *Metric) XXX_DiscardUnknown() { + xxx_messageInfo_Metric.DiscardUnknown(m) +} + +var xxx_messageInfo_Metric proto.InternalMessageInfo + +func (m *Metric) GetLabel() []*LabelPair { + if m != nil { + return m.Label + } + return nil +} + +func (m *Metric) GetGauge() *Gauge { + if m != nil { + return m.Gauge + } + return nil +} + +func (m *Metric) GetCounter() *Counter { + if m != nil { + return m.Counter + } + return nil +} + +func (m *Metric) GetSummary() *Summary { + if m != nil { + return m.Summary + } + return nil +} + +func (m *Metric) GetUntyped() *Untyped { + if m != nil { + return m.Untyped + } + return nil +} + +func (m *Metric) GetHistogram() *Histogram { + if m != nil { + return m.Histogram + } + return nil +} + +func (m *Metric) GetTimestampMs() int64 { + if m != nil && m.TimestampMs != nil { + return *m.TimestampMs + } + return 0 +} + +type MetricFamily struct { + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + Help *string `protobuf:"bytes,2,opt,name=help" json:"help,omitempty"` + Type *MetricType `protobuf:"varint,3,opt,name=type,enum=io.prometheus.client.MetricType" json:"type,omitempty"` + Metric []*Metric `protobuf:"bytes,4,rep,name=metric" json:"metric,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *MetricFamily) Reset() { *m = MetricFamily{} } +func (m *MetricFamily) String() string { return proto.CompactTextString(m) } +func (*MetricFamily) ProtoMessage() {} +func (*MetricFamily) Descriptor() ([]byte, []int) { + return fileDescriptor_6039342a2ba47b72, []int{10} +} + +func (m *MetricFamily) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_MetricFamily.Unmarshal(m, b) +} +func (m *MetricFamily) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_MetricFamily.Marshal(b, m, deterministic) +} +func (m *MetricFamily) XXX_Merge(src proto.Message) { + xxx_messageInfo_MetricFamily.Merge(m, src) +} +func (m *MetricFamily) XXX_Size() int { + return xxx_messageInfo_MetricFamily.Size(m) +} +func (m *MetricFamily) XXX_DiscardUnknown() { + xxx_messageInfo_MetricFamily.DiscardUnknown(m) +} + +var xxx_messageInfo_MetricFamily proto.InternalMessageInfo + +func (m *MetricFamily) GetName() string { + if m != nil && m.Name != nil { + return *m.Name + } + return "" +} + +func (m *MetricFamily) GetHelp() string { + if m != nil && m.Help != nil { + return *m.Help + } + return "" +} + +func (m *MetricFamily) GetType() MetricType { + if m != nil && m.Type != nil { + return *m.Type + } + return MetricType_COUNTER +} + +func (m *MetricFamily) GetMetric() []*Metric { + if m != nil { + return m.Metric + } + return nil +} + +func init() { + proto.RegisterEnum("io.prometheus.client.MetricType", MetricType_name, MetricType_value) + proto.RegisterType((*LabelPair)(nil), "io.prometheus.client.LabelPair") + proto.RegisterType((*Gauge)(nil), "io.prometheus.client.Gauge") + proto.RegisterType((*Counter)(nil), "io.prometheus.client.Counter") + proto.RegisterType((*Quantile)(nil), "io.prometheus.client.Quantile") + proto.RegisterType((*Summary)(nil), "io.prometheus.client.Summary") + proto.RegisterType((*Untyped)(nil), "io.prometheus.client.Untyped") + proto.RegisterType((*Histogram)(nil), "io.prometheus.client.Histogram") + proto.RegisterType((*Bucket)(nil), "io.prometheus.client.Bucket") + proto.RegisterType((*Exemplar)(nil), "io.prometheus.client.Exemplar") + proto.RegisterType((*Metric)(nil), "io.prometheus.client.Metric") + proto.RegisterType((*MetricFamily)(nil), "io.prometheus.client.MetricFamily") +} + +func init() { proto.RegisterFile("metrics.proto", fileDescriptor_6039342a2ba47b72) } + +var fileDescriptor_6039342a2ba47b72 = []byte{ + // 665 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x54, 0xcd, 0x6e, 0xd3, 0x4c, + 0x14, 0xfd, 0xdc, 0x38, 0x3f, 0xbe, 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a/constraint/vendor/github.com/prometheus/common/LICENSE b/constraint/vendor/github.com/prometheus/common/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/constraint/vendor/github.com/prometheus/common/NOTICE b/constraint/vendor/github.com/prometheus/common/NOTICE new file mode 100644 index 000000000..636a2c1a5 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/NOTICE @@ -0,0 +1,5 @@ +Common libraries shared by Prometheus Go components. +Copyright 2015 The Prometheus Authors + +This product includes software developed at +SoundCloud Ltd. (http://soundcloud.com/). diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/decode.go b/constraint/vendor/github.com/prometheus/common/expfmt/decode.go new file mode 100644 index 000000000..c092723e8 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/decode.go @@ -0,0 +1,429 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package expfmt + +import ( + "fmt" + "io" + "math" + "mime" + "net/http" + + dto "github.com/prometheus/client_model/go" + + "github.com/matttproud/golang_protobuf_extensions/pbutil" + "github.com/prometheus/common/model" +) + +// Decoder types decode an input stream into metric families. +type Decoder interface { + Decode(*dto.MetricFamily) error +} + +// DecodeOptions contains options used by the Decoder and in sample extraction. +type DecodeOptions struct { + // Timestamp is added to each value from the stream that has no explicit timestamp set. + Timestamp model.Time +} + +// ResponseFormat extracts the correct format from a HTTP response header. +// If no matching format can be found FormatUnknown is returned. +func ResponseFormat(h http.Header) Format { + ct := h.Get(hdrContentType) + + mediatype, params, err := mime.ParseMediaType(ct) + if err != nil { + return FmtUnknown + } + + const textType = "text/plain" + + switch mediatype { + case ProtoType: + if p, ok := params["proto"]; ok && p != ProtoProtocol { + return FmtUnknown + } + if e, ok := params["encoding"]; ok && e != "delimited" { + return FmtUnknown + } + return FmtProtoDelim + + case textType: + if v, ok := params["version"]; ok && v != TextVersion { + return FmtUnknown + } + return FmtText + } + + return FmtUnknown +} + +// NewDecoder returns a new decoder based on the given input format. +// If the input format does not imply otherwise, a text format decoder is returned. +func NewDecoder(r io.Reader, format Format) Decoder { + switch format { + case FmtProtoDelim: + return &protoDecoder{r: r} + } + return &textDecoder{r: r} +} + +// protoDecoder implements the Decoder interface for protocol buffers. +type protoDecoder struct { + r io.Reader +} + +// Decode implements the Decoder interface. +func (d *protoDecoder) Decode(v *dto.MetricFamily) error { + _, err := pbutil.ReadDelimited(d.r, v) + if err != nil { + return err + } + if !model.IsValidMetricName(model.LabelValue(v.GetName())) { + return fmt.Errorf("invalid metric name %q", v.GetName()) + } + for _, m := range v.GetMetric() { + if m == nil { + continue + } + for _, l := range m.GetLabel() { + if l == nil { + continue + } + if !model.LabelValue(l.GetValue()).IsValid() { + return fmt.Errorf("invalid label value %q", l.GetValue()) + } + if !model.LabelName(l.GetName()).IsValid() { + return fmt.Errorf("invalid label name %q", l.GetName()) + } + } + } + return nil +} + +// textDecoder implements the Decoder interface for the text protocol. +type textDecoder struct { + r io.Reader + p TextParser + fams []*dto.MetricFamily +} + +// Decode implements the Decoder interface. +func (d *textDecoder) Decode(v *dto.MetricFamily) error { + // TODO(fabxc): Wrap this as a line reader to make streaming safer. + if len(d.fams) == 0 { + // No cached metric families, read everything and parse metrics. + fams, err := d.p.TextToMetricFamilies(d.r) + if err != nil { + return err + } + if len(fams) == 0 { + return io.EOF + } + d.fams = make([]*dto.MetricFamily, 0, len(fams)) + for _, f := range fams { + d.fams = append(d.fams, f) + } + } + + *v = *d.fams[0] + d.fams = d.fams[1:] + + return nil +} + +// SampleDecoder wraps a Decoder to extract samples from the metric families +// decoded by the wrapped Decoder. +type SampleDecoder struct { + Dec Decoder + Opts *DecodeOptions + + f dto.MetricFamily +} + +// Decode calls the Decode method of the wrapped Decoder and then extracts the +// samples from the decoded MetricFamily into the provided model.Vector. +func (sd *SampleDecoder) Decode(s *model.Vector) error { + err := sd.Dec.Decode(&sd.f) + if err != nil { + return err + } + *s, err = extractSamples(&sd.f, sd.Opts) + return err +} + +// ExtractSamples builds a slice of samples from the provided metric +// families. If an error occurrs during sample extraction, it continues to +// extract from the remaining metric families. The returned error is the last +// error that has occurred. +func ExtractSamples(o *DecodeOptions, fams ...*dto.MetricFamily) (model.Vector, error) { + var ( + all model.Vector + lastErr error + ) + for _, f := range fams { + some, err := extractSamples(f, o) + if err != nil { + lastErr = err + continue + } + all = append(all, some...) + } + return all, lastErr +} + +func extractSamples(f *dto.MetricFamily, o *DecodeOptions) (model.Vector, error) { + switch f.GetType() { + case dto.MetricType_COUNTER: + return extractCounter(o, f), nil + case dto.MetricType_GAUGE: + return extractGauge(o, f), nil + case dto.MetricType_SUMMARY: + return extractSummary(o, f), nil + case dto.MetricType_UNTYPED: + return extractUntyped(o, f), nil + case dto.MetricType_HISTOGRAM: + return extractHistogram(o, f), nil + } + return nil, fmt.Errorf("expfmt.extractSamples: unknown metric family type %v", f.GetType()) +} + +func extractCounter(o *DecodeOptions, f *dto.MetricFamily) model.Vector { + samples := make(model.Vector, 0, len(f.Metric)) + + for _, m := range f.Metric { + if m.Counter == nil { + continue + } + + lset := make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName()) + + smpl := &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Counter.GetValue()), + } + + if m.TimestampMs != nil { + smpl.Timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000) + } else { + smpl.Timestamp = o.Timestamp + } + + samples = append(samples, smpl) + } + + return samples +} + +func extractGauge(o *DecodeOptions, f *dto.MetricFamily) model.Vector { + samples := make(model.Vector, 0, len(f.Metric)) + + for _, m := range f.Metric { + if m.Gauge == nil { + continue + } + + lset := make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName()) + + smpl := &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Gauge.GetValue()), + } + + if m.TimestampMs != nil { + smpl.Timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000) + } else { + smpl.Timestamp = o.Timestamp + } + + samples = append(samples, smpl) + } + + return samples +} + +func extractUntyped(o *DecodeOptions, f *dto.MetricFamily) model.Vector { + samples := make(model.Vector, 0, len(f.Metric)) + + for _, m := range f.Metric { + if m.Untyped == nil { + continue + } + + lset := make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName()) + + smpl := &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Untyped.GetValue()), + } + + if m.TimestampMs != nil { + smpl.Timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000) + } else { + smpl.Timestamp = o.Timestamp + } + + samples = append(samples, smpl) + } + + return samples +} + +func extractSummary(o *DecodeOptions, f *dto.MetricFamily) model.Vector { + samples := make(model.Vector, 0, len(f.Metric)) + + for _, m := range f.Metric { + if m.Summary == nil { + continue + } + + timestamp := o.Timestamp + if m.TimestampMs != nil { + timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000) + } + + for _, q := range m.Summary.Quantile { + lset := make(model.LabelSet, len(m.Label)+2) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + // BUG(matt): Update other names to "quantile". + lset[model.LabelName(model.QuantileLabel)] = model.LabelValue(fmt.Sprint(q.GetQuantile())) + lset[model.MetricNameLabel] = model.LabelValue(f.GetName()) + + samples = append(samples, &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(q.GetValue()), + Timestamp: timestamp, + }) + } + + lset := make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_sum") + + samples = append(samples, &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Summary.GetSampleSum()), + Timestamp: timestamp, + }) + + lset = make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_count") + + samples = append(samples, &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Summary.GetSampleCount()), + Timestamp: timestamp, + }) + } + + return samples +} + +func extractHistogram(o *DecodeOptions, f *dto.MetricFamily) model.Vector { + samples := make(model.Vector, 0, len(f.Metric)) + + for _, m := range f.Metric { + if m.Histogram == nil { + continue + } + + timestamp := o.Timestamp + if m.TimestampMs != nil { + timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000) + } + + infSeen := false + + for _, q := range m.Histogram.Bucket { + lset := make(model.LabelSet, len(m.Label)+2) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.LabelName(model.BucketLabel)] = model.LabelValue(fmt.Sprint(q.GetUpperBound())) + lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_bucket") + + if math.IsInf(q.GetUpperBound(), +1) { + infSeen = true + } + + samples = append(samples, &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(q.GetCumulativeCount()), + Timestamp: timestamp, + }) + } + + lset := make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_sum") + + samples = append(samples, &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Histogram.GetSampleSum()), + Timestamp: timestamp, + }) + + lset = make(model.LabelSet, len(m.Label)+1) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_count") + + count := &model.Sample{ + Metric: model.Metric(lset), + Value: model.SampleValue(m.Histogram.GetSampleCount()), + Timestamp: timestamp, + } + samples = append(samples, count) + + if !infSeen { + // Append an infinity bucket sample. + lset := make(model.LabelSet, len(m.Label)+2) + for _, p := range m.Label { + lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue()) + } + lset[model.LabelName(model.BucketLabel)] = model.LabelValue("+Inf") + lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_bucket") + + samples = append(samples, &model.Sample{ + Metric: model.Metric(lset), + Value: count.Value, + Timestamp: timestamp, + }) + } + } + + return samples +} diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/encode.go b/constraint/vendor/github.com/prometheus/common/expfmt/encode.go new file mode 100644 index 000000000..bd4e34745 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/encode.go @@ -0,0 +1,162 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package expfmt + +import ( + "fmt" + "io" + "net/http" + + "github.com/golang/protobuf/proto" + "github.com/matttproud/golang_protobuf_extensions/pbutil" + "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg" + + dto "github.com/prometheus/client_model/go" +) + +// Encoder types encode metric families into an underlying wire protocol. +type Encoder interface { + Encode(*dto.MetricFamily) error +} + +// Closer is implemented by Encoders that need to be closed to finalize +// encoding. (For example, OpenMetrics needs a final `# EOF` line.) +// +// Note that all Encoder implementations returned from this package implement +// Closer, too, even if the Close call is a no-op. This happens in preparation +// for adding a Close method to the Encoder interface directly in a (mildly +// breaking) release in the future. +type Closer interface { + Close() error +} + +type encoderCloser struct { + encode func(*dto.MetricFamily) error + close func() error +} + +func (ec encoderCloser) Encode(v *dto.MetricFamily) error { + return ec.encode(v) +} + +func (ec encoderCloser) Close() error { + return ec.close() +} + +// Negotiate returns the Content-Type based on the given Accept header. If no +// appropriate accepted type is found, FmtText is returned (which is the +// Prometheus text format). This function will never negotiate FmtOpenMetrics, +// as the support is still experimental. To include the option to negotiate +// FmtOpenMetrics, use NegotiateOpenMetrics. +func Negotiate(h http.Header) Format { + for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) { + ver := ac.Params["version"] + if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol { + switch ac.Params["encoding"] { + case "delimited": + return FmtProtoDelim + case "text": + return FmtProtoText + case "compact-text": + return FmtProtoCompact + } + } + if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") { + return FmtText + } + } + return FmtText +} + +// NegotiateIncludingOpenMetrics works like Negotiate but includes +// FmtOpenMetrics as an option for the result. Note that this function is +// temporary and will disappear once FmtOpenMetrics is fully supported and as +// such may be negotiated by the normal Negotiate function. +func NegotiateIncludingOpenMetrics(h http.Header) Format { + for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) { + ver := ac.Params["version"] + if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol { + switch ac.Params["encoding"] { + case "delimited": + return FmtProtoDelim + case "text": + return FmtProtoText + case "compact-text": + return FmtProtoCompact + } + } + if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") { + return FmtText + } + if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion || ver == "") { + return FmtOpenMetrics + } + } + return FmtText +} + +// NewEncoder returns a new encoder based on content type negotiation. All +// Encoder implementations returned by NewEncoder also implement Closer, and +// callers should always call the Close method. It is currently only required +// for FmtOpenMetrics, but a future (breaking) release will add the Close method +// to the Encoder interface directly. The current version of the Encoder +// interface is kept for backwards compatibility. +func NewEncoder(w io.Writer, format Format) Encoder { + switch format { + case FmtProtoDelim: + return encoderCloser{ + encode: func(v *dto.MetricFamily) error { + _, err := pbutil.WriteDelimited(w, v) + return err + }, + close: func() error { return nil }, + } + case FmtProtoCompact: + return encoderCloser{ + encode: func(v *dto.MetricFamily) error { + _, err := fmt.Fprintln(w, v.String()) + return err + }, + close: func() error { return nil }, + } + case FmtProtoText: + return encoderCloser{ + encode: func(v *dto.MetricFamily) error { + _, err := fmt.Fprintln(w, proto.MarshalTextString(v)) + return err + }, + close: func() error { return nil }, + } + case FmtText: + return encoderCloser{ + encode: func(v *dto.MetricFamily) error { + _, err := MetricFamilyToText(w, v) + return err + }, + close: func() error { return nil }, + } + case FmtOpenMetrics: + return encoderCloser{ + encode: func(v *dto.MetricFamily) error { + _, err := MetricFamilyToOpenMetrics(w, v) + return err + }, + close: func() error { + _, err := FinalizeOpenMetrics(w) + return err + }, + } + } + panic(fmt.Errorf("expfmt.NewEncoder: unknown format %q", format)) +} diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/expfmt.go b/constraint/vendor/github.com/prometheus/common/expfmt/expfmt.go new file mode 100644 index 000000000..0f176fa64 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/expfmt.go @@ -0,0 +1,41 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package expfmt contains tools for reading and writing Prometheus metrics. +package expfmt + +// Format specifies the HTTP content type of the different wire protocols. +type Format string + +// Constants to assemble the Content-Type values for the different wire protocols. +const ( + TextVersion = "0.0.4" + ProtoType = `application/vnd.google.protobuf` + ProtoProtocol = `io.prometheus.client.MetricFamily` + ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" + OpenMetricsType = `application/openmetrics-text` + OpenMetricsVersion = "0.0.1" + + // The Content-Type values for the different wire protocols. + FmtUnknown Format = `` + FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` + FmtProtoDelim Format = ProtoFmt + ` encoding=delimited` + FmtProtoText Format = ProtoFmt + ` encoding=text` + FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text` + FmtOpenMetrics Format = OpenMetricsType + `; version=` + OpenMetricsVersion + `; charset=utf-8` +) + +const ( + hdrContentType = "Content-Type" + hdrAccept = "Accept" +) diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/fuzz.go b/constraint/vendor/github.com/prometheus/common/expfmt/fuzz.go new file mode 100644 index 000000000..dc2eedeef --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/fuzz.go @@ -0,0 +1,36 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Build only when actually fuzzing +// +build gofuzz + +package expfmt + +import "bytes" + +// Fuzz text metric parser with with github.com/dvyukov/go-fuzz: +// +// go-fuzz-build github.com/prometheus/common/expfmt +// go-fuzz -bin expfmt-fuzz.zip -workdir fuzz +// +// Further input samples should go in the folder fuzz/corpus. +func Fuzz(in []byte) int { + parser := TextParser{} + _, err := parser.TextToMetricFamilies(bytes.NewReader(in)) + + if err != nil { + return 0 + } + + return 1 +} diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go b/constraint/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go new file mode 100644 index 000000000..8a9313a3b --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go @@ -0,0 +1,527 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package expfmt + +import ( + "bufio" + "bytes" + "fmt" + "io" + "math" + "strconv" + "strings" + + "github.com/golang/protobuf/ptypes" + "github.com/prometheus/common/model" + + dto "github.com/prometheus/client_model/go" +) + +// MetricFamilyToOpenMetrics converts a MetricFamily proto message into the +// OpenMetrics text format and writes the resulting lines to 'out'. It returns +// the number of bytes written and any error encountered. The output will have +// the same order as the input, no further sorting is performed. Furthermore, +// this function assumes the input is already sanitized and does not perform any +// sanity checks. If the input contains duplicate metrics or invalid metric or +// label names, the conversion will result in invalid text format output. +// +// This function fulfills the type 'expfmt.encoder'. +// +// Note that OpenMetrics requires a final `# EOF` line. Since this function acts +// on individual metric families, it is the responsibility of the caller to +// append this line to 'out' once all metric families have been written. +// Conveniently, this can be done by calling FinalizeOpenMetrics. +// +// The output should be fully OpenMetrics compliant. However, there are a few +// missing features and peculiarities to avoid complications when switching from +// Prometheus to OpenMetrics or vice versa: +// +// - Counters are expected to have the `_total` suffix in their metric name. In +// the output, the suffix will be truncated from the `# TYPE` and `# HELP` +// line. A counter with a missing `_total` suffix is not an error. However, +// its type will be set to `unknown` in that case to avoid invalid OpenMetrics +// output. +// +// - No support for the following (optional) features: `# UNIT` line, `_created` +// line, info type, stateset type, gaugehistogram type. +// +// - The size of exemplar labels is not checked (i.e. it's possible to create +// exemplars that are larger than allowed by the OpenMetrics specification). +// +// - The value of Counters is not checked. (OpenMetrics doesn't allow counters +// with a `NaN` value.) +func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int, err error) { + name := in.GetName() + if name == "" { + return 0, fmt.Errorf("MetricFamily has no name: %s", in) + } + + // Try the interface upgrade. If it doesn't work, we'll use a + // bufio.Writer from the sync.Pool. + w, ok := out.(enhancedWriter) + if !ok { + b := bufPool.Get().(*bufio.Writer) + b.Reset(out) + w = b + defer func() { + bErr := b.Flush() + if err == nil { + err = bErr + } + bufPool.Put(b) + }() + } + + var ( + n int + metricType = in.GetType() + shortName = name + ) + if metricType == dto.MetricType_COUNTER && strings.HasSuffix(shortName, "_total") { + shortName = name[:len(name)-6] + } + + // Comments, first HELP, then TYPE. + if in.Help != nil { + n, err = w.WriteString("# HELP ") + written += n + if err != nil { + return + } + n, err = w.WriteString(shortName) + written += n + if err != nil { + return + } + err = w.WriteByte(' ') + written++ + if err != nil { + return + } + n, err = writeEscapedString(w, *in.Help, true) + written += n + if err != nil { + return + } + err = w.WriteByte('\n') + written++ + if err != nil { + return + } + } + n, err = w.WriteString("# TYPE ") + written += n + if err != nil { + return + } + n, err = w.WriteString(shortName) + written += n + if err != nil { + return + } + switch metricType { + case dto.MetricType_COUNTER: + if strings.HasSuffix(name, "_total") { + n, err = w.WriteString(" counter\n") + } else { + n, err = w.WriteString(" unknown\n") + } + case dto.MetricType_GAUGE: + n, err = w.WriteString(" gauge\n") + case dto.MetricType_SUMMARY: + n, err = w.WriteString(" summary\n") + case dto.MetricType_UNTYPED: + n, err = w.WriteString(" unknown\n") + case dto.MetricType_HISTOGRAM: + n, err = w.WriteString(" histogram\n") + default: + return written, fmt.Errorf("unknown metric type %s", metricType.String()) + } + written += n + if err != nil { + return + } + + // Finally the samples, one line for each. + for _, metric := range in.Metric { + switch metricType { + case dto.MetricType_COUNTER: + if metric.Counter == nil { + return written, fmt.Errorf( + "expected counter in metric %s %s", name, metric, + ) + } + // Note that we have ensured above that either the name + // ends on `_total` or that the rendered type is + // `unknown`. Therefore, no `_total` must be added here. + n, err = writeOpenMetricsSample( + w, name, "", metric, "", 0, + metric.Counter.GetValue(), 0, false, + metric.Counter.Exemplar, + ) + case dto.MetricType_GAUGE: + if metric.Gauge == nil { + return written, fmt.Errorf( + "expected gauge in metric %s %s", name, metric, + ) + } + n, err = writeOpenMetricsSample( + w, name, "", metric, "", 0, + metric.Gauge.GetValue(), 0, false, + nil, + ) + case dto.MetricType_UNTYPED: + if metric.Untyped == nil { + return written, fmt.Errorf( + "expected untyped in metric %s %s", name, metric, + ) + } + n, err = writeOpenMetricsSample( + w, name, "", metric, "", 0, + metric.Untyped.GetValue(), 0, false, + nil, + ) + case dto.MetricType_SUMMARY: + if metric.Summary == nil { + return written, fmt.Errorf( + "expected summary in metric %s %s", name, metric, + ) + } + for _, q := range metric.Summary.Quantile { + n, err = writeOpenMetricsSample( + w, name, "", metric, + model.QuantileLabel, q.GetQuantile(), + q.GetValue(), 0, false, + nil, + ) + written += n + if err != nil { + return + } + } + n, err = writeOpenMetricsSample( + w, name, "_sum", metric, "", 0, + metric.Summary.GetSampleSum(), 0, false, + nil, + ) + written += n + if err != nil { + return + } + n, err = writeOpenMetricsSample( + w, name, "_count", metric, "", 0, + 0, metric.Summary.GetSampleCount(), true, + nil, + ) + case dto.MetricType_HISTOGRAM: + if metric.Histogram == nil { + return written, fmt.Errorf( + "expected histogram in metric %s %s", name, metric, + ) + } + infSeen := false + for _, b := range metric.Histogram.Bucket { + n, err = writeOpenMetricsSample( + w, name, "_bucket", metric, + model.BucketLabel, b.GetUpperBound(), + 0, b.GetCumulativeCount(), true, + b.Exemplar, + ) + written += n + if err != nil { + return + } + if math.IsInf(b.GetUpperBound(), +1) { + infSeen = true + } + } + if !infSeen { + n, err = writeOpenMetricsSample( + w, name, "_bucket", metric, + model.BucketLabel, math.Inf(+1), + 0, metric.Histogram.GetSampleCount(), true, + nil, + ) + written += n + if err != nil { + return + } + } + n, err = writeOpenMetricsSample( + w, name, "_sum", metric, "", 0, + metric.Histogram.GetSampleSum(), 0, false, + nil, + ) + written += n + if err != nil { + return + } + n, err = writeOpenMetricsSample( + w, name, "_count", metric, "", 0, + 0, metric.Histogram.GetSampleCount(), true, + nil, + ) + default: + return written, fmt.Errorf( + "unexpected type in metric %s %s", name, metric, + ) + } + written += n + if err != nil { + return + } + } + return +} + +// FinalizeOpenMetrics writes the final `# EOF\n` line required by OpenMetrics. +func FinalizeOpenMetrics(w io.Writer) (written int, err error) { + return w.Write([]byte("# EOF\n")) +} + +// writeOpenMetricsSample writes a single sample in OpenMetrics text format to +// w, given the metric name, the metric proto message itself, optionally an +// additional label name with a float64 value (use empty string as label name if +// not required), the value (optionally as float64 or uint64, determined by +// useIntValue), and optionally an exemplar (use nil if not required). The +// function returns the number of bytes written and any error encountered. +func writeOpenMetricsSample( + w enhancedWriter, + name, suffix string, + metric *dto.Metric, + additionalLabelName string, additionalLabelValue float64, + floatValue float64, intValue uint64, useIntValue bool, + exemplar *dto.Exemplar, +) (int, error) { + var written int + n, err := w.WriteString(name) + written += n + if err != nil { + return written, err + } + if suffix != "" { + n, err = w.WriteString(suffix) + written += n + if err != nil { + return written, err + } + } + n, err = writeOpenMetricsLabelPairs( + w, metric.Label, additionalLabelName, additionalLabelValue, + ) + written += n + if err != nil { + return written, err + } + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + if useIntValue { + n, err = writeUint(w, intValue) + } else { + n, err = writeOpenMetricsFloat(w, floatValue) + } + written += n + if err != nil { + return written, err + } + if metric.TimestampMs != nil { + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + // TODO(beorn7): Format this directly without converting to a float first. + n, err = writeOpenMetricsFloat(w, float64(*metric.TimestampMs)/1000) + written += n + if err != nil { + return written, err + } + } + if exemplar != nil { + n, err = writeExemplar(w, exemplar) + written += n + if err != nil { + return written, err + } + } + err = w.WriteByte('\n') + written++ + if err != nil { + return written, err + } + return written, nil +} + +// writeOpenMetricsLabelPairs works like writeOpenMetrics but formats the float +// in OpenMetrics style. +func writeOpenMetricsLabelPairs( + w enhancedWriter, + in []*dto.LabelPair, + additionalLabelName string, additionalLabelValue float64, +) (int, error) { + if len(in) == 0 && additionalLabelName == "" { + return 0, nil + } + var ( + written int + separator byte = '{' + ) + for _, lp := range in { + err := w.WriteByte(separator) + written++ + if err != nil { + return written, err + } + n, err := w.WriteString(lp.GetName()) + written += n + if err != nil { + return written, err + } + n, err = w.WriteString(`="`) + written += n + if err != nil { + return written, err + } + n, err = writeEscapedString(w, lp.GetValue(), true) + written += n + if err != nil { + return written, err + } + err = w.WriteByte('"') + written++ + if err != nil { + return written, err + } + separator = ',' + } + if additionalLabelName != "" { + err := w.WriteByte(separator) + written++ + if err != nil { + return written, err + } + n, err := w.WriteString(additionalLabelName) + written += n + if err != nil { + return written, err + } + n, err = w.WriteString(`="`) + written += n + if err != nil { + return written, err + } + n, err = writeOpenMetricsFloat(w, additionalLabelValue) + written += n + if err != nil { + return written, err + } + err = w.WriteByte('"') + written++ + if err != nil { + return written, err + } + } + err := w.WriteByte('}') + written++ + if err != nil { + return written, err + } + return written, nil +} + +// writeExemplar writes the provided exemplar in OpenMetrics format to w. The +// function returns the number of bytes written and any error encountered. +func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) { + written := 0 + n, err := w.WriteString(" # ") + written += n + if err != nil { + return written, err + } + n, err = writeOpenMetricsLabelPairs(w, e.Label, "", 0) + written += n + if err != nil { + return written, err + } + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + n, err = writeOpenMetricsFloat(w, e.GetValue()) + written += n + if err != nil { + return written, err + } + if e.Timestamp != nil { + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + ts, err := ptypes.Timestamp((*e).Timestamp) + if err != nil { + return written, err + } + // TODO(beorn7): Format this directly from components of ts to + // avoid overflow/underflow and precision issues of the float + // conversion. + n, err = writeOpenMetricsFloat(w, float64(ts.UnixNano())/1e9) + written += n + if err != nil { + return written, err + } + } + return written, nil +} + +// writeOpenMetricsFloat works like writeFloat but appends ".0" if the resulting +// number would otherwise contain neither a "." nor an "e". +func writeOpenMetricsFloat(w enhancedWriter, f float64) (int, error) { + switch { + case f == 1: + return w.WriteString("1.0") + case f == 0: + return w.WriteString("0.0") + case f == -1: + return w.WriteString("-1.0") + case math.IsNaN(f): + return w.WriteString("NaN") + case math.IsInf(f, +1): + return w.WriteString("+Inf") + case math.IsInf(f, -1): + return w.WriteString("-Inf") + default: + bp := numBufPool.Get().(*[]byte) + *bp = strconv.AppendFloat((*bp)[:0], f, 'g', -1, 64) + if !bytes.ContainsAny(*bp, "e.") { + *bp = append(*bp, '.', '0') + } + written, err := w.Write(*bp) + numBufPool.Put(bp) + return written, err + } +} + +// writeUint is like writeInt just for uint64. +func writeUint(w enhancedWriter, u uint64) (int, error) { + bp := numBufPool.Get().(*[]byte) + *bp = strconv.AppendUint((*bp)[:0], u, 10) + written, err := w.Write(*bp) + numBufPool.Put(bp) + return written, err +} diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/text_create.go b/constraint/vendor/github.com/prometheus/common/expfmt/text_create.go new file mode 100644 index 000000000..5ba503b06 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/text_create.go @@ -0,0 +1,465 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package expfmt + +import ( + "bufio" + "fmt" + "io" + "io/ioutil" + "math" + "strconv" + "strings" + "sync" + + "github.com/prometheus/common/model" + + dto "github.com/prometheus/client_model/go" +) + +// enhancedWriter has all the enhanced write functions needed here. bufio.Writer +// implements it. +type enhancedWriter interface { + io.Writer + WriteRune(r rune) (n int, err error) + WriteString(s string) (n int, err error) + WriteByte(c byte) error +} + +const ( + initialNumBufSize = 24 +) + +var ( + bufPool = sync.Pool{ + New: func() interface{} { + return bufio.NewWriter(ioutil.Discard) + }, + } + numBufPool = sync.Pool{ + New: func() interface{} { + b := make([]byte, 0, initialNumBufSize) + return &b + }, + } +) + +// MetricFamilyToText converts a MetricFamily proto message into text format and +// writes the resulting lines to 'out'. It returns the number of bytes written +// and any error encountered. The output will have the same order as the input, +// no further sorting is performed. Furthermore, this function assumes the input +// is already sanitized and does not perform any sanity checks. If the input +// contains duplicate metrics or invalid metric or label names, the conversion +// will result in invalid text format output. +// +// This method fulfills the type 'prometheus.encoder'. +func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err error) { + // Fail-fast checks. + if len(in.Metric) == 0 { + return 0, fmt.Errorf("MetricFamily has no metrics: %s", in) + } + name := in.GetName() + if name == "" { + return 0, fmt.Errorf("MetricFamily has no name: %s", in) + } + + // Try the interface upgrade. If it doesn't work, we'll use a + // bufio.Writer from the sync.Pool. + w, ok := out.(enhancedWriter) + if !ok { + b := bufPool.Get().(*bufio.Writer) + b.Reset(out) + w = b + defer func() { + bErr := b.Flush() + if err == nil { + err = bErr + } + bufPool.Put(b) + }() + } + + var n int + + // Comments, first HELP, then TYPE. + if in.Help != nil { + n, err = w.WriteString("# HELP ") + written += n + if err != nil { + return + } + n, err = w.WriteString(name) + written += n + if err != nil { + return + } + err = w.WriteByte(' ') + written++ + if err != nil { + return + } + n, err = writeEscapedString(w, *in.Help, false) + written += n + if err != nil { + return + } + err = w.WriteByte('\n') + written++ + if err != nil { + return + } + } + n, err = w.WriteString("# TYPE ") + written += n + if err != nil { + return + } + n, err = w.WriteString(name) + written += n + if err != nil { + return + } + metricType := in.GetType() + switch metricType { + case dto.MetricType_COUNTER: + n, err = w.WriteString(" counter\n") + case dto.MetricType_GAUGE: + n, err = w.WriteString(" gauge\n") + case dto.MetricType_SUMMARY: + n, err = w.WriteString(" summary\n") + case dto.MetricType_UNTYPED: + n, err = w.WriteString(" untyped\n") + case dto.MetricType_HISTOGRAM: + n, err = w.WriteString(" histogram\n") + default: + return written, fmt.Errorf("unknown metric type %s", metricType.String()) + } + written += n + if err != nil { + return + } + + // Finally the samples, one line for each. + for _, metric := range in.Metric { + switch metricType { + case dto.MetricType_COUNTER: + if metric.Counter == nil { + return written, fmt.Errorf( + "expected counter in metric %s %s", name, metric, + ) + } + n, err = writeSample( + w, name, "", metric, "", 0, + metric.Counter.GetValue(), + ) + case dto.MetricType_GAUGE: + if metric.Gauge == nil { + return written, fmt.Errorf( + "expected gauge in metric %s %s", name, metric, + ) + } + n, err = writeSample( + w, name, "", metric, "", 0, + metric.Gauge.GetValue(), + ) + case dto.MetricType_UNTYPED: + if metric.Untyped == nil { + return written, fmt.Errorf( + "expected untyped in metric %s %s", name, metric, + ) + } + n, err = writeSample( + w, name, "", metric, "", 0, + metric.Untyped.GetValue(), + ) + case dto.MetricType_SUMMARY: + if metric.Summary == nil { + return written, fmt.Errorf( + "expected summary in metric %s %s", name, metric, + ) + } + for _, q := range metric.Summary.Quantile { + n, err = writeSample( + w, name, "", metric, + model.QuantileLabel, q.GetQuantile(), + q.GetValue(), + ) + written += n + if err != nil { + return + } + } + n, err = writeSample( + w, name, "_sum", metric, "", 0, + metric.Summary.GetSampleSum(), + ) + written += n + if err != nil { + return + } + n, err = writeSample( + w, name, "_count", metric, "", 0, + float64(metric.Summary.GetSampleCount()), + ) + case dto.MetricType_HISTOGRAM: + if metric.Histogram == nil { + return written, fmt.Errorf( + "expected histogram in metric %s %s", name, metric, + ) + } + infSeen := false + for _, b := range metric.Histogram.Bucket { + n, err = writeSample( + w, name, "_bucket", metric, + model.BucketLabel, b.GetUpperBound(), + float64(b.GetCumulativeCount()), + ) + written += n + if err != nil { + return + } + if math.IsInf(b.GetUpperBound(), +1) { + infSeen = true + } + } + if !infSeen { + n, err = writeSample( + w, name, "_bucket", metric, + model.BucketLabel, math.Inf(+1), + float64(metric.Histogram.GetSampleCount()), + ) + written += n + if err != nil { + return + } + } + n, err = writeSample( + w, name, "_sum", metric, "", 0, + metric.Histogram.GetSampleSum(), + ) + written += n + if err != nil { + return + } + n, err = writeSample( + w, name, "_count", metric, "", 0, + float64(metric.Histogram.GetSampleCount()), + ) + default: + return written, fmt.Errorf( + "unexpected type in metric %s %s", name, metric, + ) + } + written += n + if err != nil { + return + } + } + return +} + +// writeSample writes a single sample in text format to w, given the metric +// name, the metric proto message itself, optionally an additional label name +// with a float64 value (use empty string as label name if not required), and +// the value. The function returns the number of bytes written and any error +// encountered. +func writeSample( + w enhancedWriter, + name, suffix string, + metric *dto.Metric, + additionalLabelName string, additionalLabelValue float64, + value float64, +) (int, error) { + var written int + n, err := w.WriteString(name) + written += n + if err != nil { + return written, err + } + if suffix != "" { + n, err = w.WriteString(suffix) + written += n + if err != nil { + return written, err + } + } + n, err = writeLabelPairs( + w, metric.Label, additionalLabelName, additionalLabelValue, + ) + written += n + if err != nil { + return written, err + } + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + n, err = writeFloat(w, value) + written += n + if err != nil { + return written, err + } + if metric.TimestampMs != nil { + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + n, err = writeInt(w, *metric.TimestampMs) + written += n + if err != nil { + return written, err + } + } + err = w.WriteByte('\n') + written++ + if err != nil { + return written, err + } + return written, nil +} + +// writeLabelPairs converts a slice of LabelPair proto messages plus the +// explicitly given additional label pair into text formatted as required by the +// text format and writes it to 'w'. An empty slice in combination with an empty +// string 'additionalLabelName' results in nothing being written. Otherwise, the +// label pairs are written, escaped as required by the text format, and enclosed +// in '{...}'. The function returns the number of bytes written and any error +// encountered. +func writeLabelPairs( + w enhancedWriter, + in []*dto.LabelPair, + additionalLabelName string, additionalLabelValue float64, +) (int, error) { + if len(in) == 0 && additionalLabelName == "" { + return 0, nil + } + var ( + written int + separator byte = '{' + ) + for _, lp := range in { + err := w.WriteByte(separator) + written++ + if err != nil { + return written, err + } + n, err := w.WriteString(lp.GetName()) + written += n + if err != nil { + return written, err + } + n, err = w.WriteString(`="`) + written += n + if err != nil { + return written, err + } + n, err = writeEscapedString(w, lp.GetValue(), true) + written += n + if err != nil { + return written, err + } + err = w.WriteByte('"') + written++ + if err != nil { + return written, err + } + separator = ',' + } + if additionalLabelName != "" { + err := w.WriteByte(separator) + written++ + if err != nil { + return written, err + } + n, err := w.WriteString(additionalLabelName) + written += n + if err != nil { + return written, err + } + n, err = w.WriteString(`="`) + written += n + if err != nil { + return written, err + } + n, err = writeFloat(w, additionalLabelValue) + written += n + if err != nil { + return written, err + } + err = w.WriteByte('"') + written++ + if err != nil { + return written, err + } + } + err := w.WriteByte('}') + written++ + if err != nil { + return written, err + } + return written, nil +} + +// writeEscapedString replaces '\' by '\\', new line character by '\n', and - if +// includeDoubleQuote is true - '"' by '\"'. +var ( + escaper = strings.NewReplacer("\\", `\\`, "\n", `\n`) + quotedEscaper = strings.NewReplacer("\\", `\\`, "\n", `\n`, "\"", `\"`) +) + +func writeEscapedString(w enhancedWriter, v string, includeDoubleQuote bool) (int, error) { + if includeDoubleQuote { + return quotedEscaper.WriteString(w, v) + } + return escaper.WriteString(w, v) +} + +// writeFloat is equivalent to fmt.Fprint with a float64 argument but hardcodes +// a few common cases for increased efficiency. For non-hardcoded cases, it uses +// strconv.AppendFloat to avoid allocations, similar to writeInt. +func writeFloat(w enhancedWriter, f float64) (int, error) { + switch { + case f == 1: + return 1, w.WriteByte('1') + case f == 0: + return 1, w.WriteByte('0') + case f == -1: + return w.WriteString("-1") + case math.IsNaN(f): + return w.WriteString("NaN") + case math.IsInf(f, +1): + return w.WriteString("+Inf") + case math.IsInf(f, -1): + return w.WriteString("-Inf") + default: + bp := numBufPool.Get().(*[]byte) + *bp = strconv.AppendFloat((*bp)[:0], f, 'g', -1, 64) + written, err := w.Write(*bp) + numBufPool.Put(bp) + return written, err + } +} + +// writeInt is equivalent to fmt.Fprint with an int64 argument but uses +// strconv.AppendInt with a byte slice taken from a sync.Pool to avoid +// allocations. +func writeInt(w enhancedWriter, i int64) (int, error) { + bp := numBufPool.Get().(*[]byte) + *bp = strconv.AppendInt((*bp)[:0], i, 10) + written, err := w.Write(*bp) + numBufPool.Put(bp) + return written, err +} diff --git a/constraint/vendor/github.com/prometheus/common/expfmt/text_parse.go b/constraint/vendor/github.com/prometheus/common/expfmt/text_parse.go new file mode 100644 index 000000000..342e5940d --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/expfmt/text_parse.go @@ -0,0 +1,764 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package expfmt + +import ( + "bufio" + "bytes" + "fmt" + "io" + "math" + "strconv" + "strings" + + dto "github.com/prometheus/client_model/go" + + "github.com/golang/protobuf/proto" + "github.com/prometheus/common/model" +) + +// A stateFn is a function that represents a state in a state machine. By +// executing it, the state is progressed to the next state. The stateFn returns +// another stateFn, which represents the new state. The end state is represented +// by nil. +type stateFn func() stateFn + +// ParseError signals errors while parsing the simple and flat text-based +// exchange format. +type ParseError struct { + Line int + Msg string +} + +// Error implements the error interface. +func (e ParseError) Error() string { + return fmt.Sprintf("text format parsing error in line %d: %s", e.Line, e.Msg) +} + +// TextParser is used to parse the simple and flat text-based exchange format. Its +// zero value is ready to use. +type TextParser struct { + metricFamiliesByName map[string]*dto.MetricFamily + buf *bufio.Reader // Where the parsed input is read through. + err error // Most recent error. + lineCount int // Tracks the line count for error messages. + currentByte byte // The most recent byte read. + currentToken bytes.Buffer // Re-used each time a token has to be gathered from multiple bytes. + currentMF *dto.MetricFamily + currentMetric *dto.Metric + currentLabelPair *dto.LabelPair + + // The remaining member variables are only used for summaries/histograms. + currentLabels map[string]string // All labels including '__name__' but excluding 'quantile'/'le' + // Summary specific. + summaries map[uint64]*dto.Metric // Key is created with LabelsToSignature. + currentQuantile float64 + // Histogram specific. + histograms map[uint64]*dto.Metric // Key is created with LabelsToSignature. + currentBucket float64 + // These tell us if the currently processed line ends on '_count' or + // '_sum' respectively and belong to a summary/histogram, representing the sample + // count and sum of that summary/histogram. + currentIsSummaryCount, currentIsSummarySum bool + currentIsHistogramCount, currentIsHistogramSum bool +} + +// TextToMetricFamilies reads 'in' as the simple and flat text-based exchange +// format and creates MetricFamily proto messages. It returns the MetricFamily +// proto messages in a map where the metric names are the keys, along with any +// error encountered. +// +// If the input contains duplicate metrics (i.e. lines with the same metric name +// and exactly the same label set), the resulting MetricFamily will contain +// duplicate Metric proto messages. Similar is true for duplicate label +// names. Checks for duplicates have to be performed separately, if required. +// Also note that neither the metrics within each MetricFamily are sorted nor +// the label pairs within each Metric. Sorting is not required for the most +// frequent use of this method, which is sample ingestion in the Prometheus +// server. However, for presentation purposes, you might want to sort the +// metrics, and in some cases, you must sort the labels, e.g. for consumption by +// the metric family injection hook of the Prometheus registry. +// +// Summaries and histograms are rather special beasts. You would probably not +// use them in the simple text format anyway. This method can deal with +// summaries and histograms if they are presented in exactly the way the +// text.Create function creates them. +// +// This method must not be called concurrently. If you want to parse different +// input concurrently, instantiate a separate Parser for each goroutine. +func (p *TextParser) TextToMetricFamilies(in io.Reader) (map[string]*dto.MetricFamily, error) { + p.reset(in) + for nextState := p.startOfLine; nextState != nil; nextState = nextState() { + // Magic happens here... + } + // Get rid of empty metric families. + for k, mf := range p.metricFamiliesByName { + if len(mf.GetMetric()) == 0 { + delete(p.metricFamiliesByName, k) + } + } + // If p.err is io.EOF now, we have run into a premature end of the input + // stream. Turn this error into something nicer and more + // meaningful. (io.EOF is often used as a signal for the legitimate end + // of an input stream.) + if p.err == io.EOF { + p.parseError("unexpected end of input stream") + } + return p.metricFamiliesByName, p.err +} + +func (p *TextParser) reset(in io.Reader) { + p.metricFamiliesByName = map[string]*dto.MetricFamily{} + if p.buf == nil { + p.buf = bufio.NewReader(in) + } else { + p.buf.Reset(in) + } + p.err = nil + p.lineCount = 0 + if p.summaries == nil || len(p.summaries) > 0 { + p.summaries = map[uint64]*dto.Metric{} + } + if p.histograms == nil || len(p.histograms) > 0 { + p.histograms = map[uint64]*dto.Metric{} + } + p.currentQuantile = math.NaN() + p.currentBucket = math.NaN() +} + +// startOfLine represents the state where the next byte read from p.buf is the +// start of a line (or whitespace leading up to it). +func (p *TextParser) startOfLine() stateFn { + p.lineCount++ + if p.skipBlankTab(); p.err != nil { + // End of input reached. This is the only case where + // that is not an error but a signal that we are done. + p.err = nil + return nil + } + switch p.currentByte { + case '#': + return p.startComment + case '\n': + return p.startOfLine // Empty line, start the next one. + } + return p.readingMetricName +} + +// startComment represents the state where the next byte read from p.buf is the +// start of a comment (or whitespace leading up to it). +func (p *TextParser) startComment() stateFn { + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte == '\n' { + return p.startOfLine + } + if p.readTokenUntilWhitespace(); p.err != nil { + return nil // Unexpected end of input. + } + // If we have hit the end of line already, there is nothing left + // to do. This is not considered a syntax error. + if p.currentByte == '\n' { + return p.startOfLine + } + keyword := p.currentToken.String() + if keyword != "HELP" && keyword != "TYPE" { + // Generic comment, ignore by fast forwarding to end of line. + for p.currentByte != '\n' { + if p.currentByte, p.err = p.buf.ReadByte(); p.err != nil { + return nil // Unexpected end of input. + } + } + return p.startOfLine + } + // There is something. Next has to be a metric name. + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.readTokenAsMetricName(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte == '\n' { + // At the end of the line already. + // Again, this is not considered a syntax error. + return p.startOfLine + } + if !isBlankOrTab(p.currentByte) { + p.parseError("invalid metric name in comment") + return nil + } + p.setOrCreateCurrentMF() + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte == '\n' { + // At the end of the line already. + // Again, this is not considered a syntax error. + return p.startOfLine + } + switch keyword { + case "HELP": + return p.readingHelp + case "TYPE": + return p.readingType + } + panic(fmt.Sprintf("code error: unexpected keyword %q", keyword)) +} + +// readingMetricName represents the state where the last byte read (now in +// p.currentByte) is the first byte of a metric name. +func (p *TextParser) readingMetricName() stateFn { + if p.readTokenAsMetricName(); p.err != nil { + return nil + } + if p.currentToken.Len() == 0 { + p.parseError("invalid metric name") + return nil + } + p.setOrCreateCurrentMF() + // Now is the time to fix the type if it hasn't happened yet. + if p.currentMF.Type == nil { + p.currentMF.Type = dto.MetricType_UNTYPED.Enum() + } + p.currentMetric = &dto.Metric{} + // Do not append the newly created currentMetric to + // currentMF.Metric right now. First wait if this is a summary, + // and the metric exists already, which we can only know after + // having read all the labels. + if p.skipBlankTabIfCurrentBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + return p.readingLabels +} + +// readingLabels represents the state where the last byte read (now in +// p.currentByte) is either the first byte of the label set (i.e. a '{'), or the +// first byte of the value (otherwise). +func (p *TextParser) readingLabels() stateFn { + // Summaries/histograms are special. We have to reset the + // currentLabels map, currentQuantile and currentBucket before starting to + // read labels. + if p.currentMF.GetType() == dto.MetricType_SUMMARY || p.currentMF.GetType() == dto.MetricType_HISTOGRAM { + p.currentLabels = map[string]string{} + p.currentLabels[string(model.MetricNameLabel)] = p.currentMF.GetName() + p.currentQuantile = math.NaN() + p.currentBucket = math.NaN() + } + if p.currentByte != '{' { + return p.readingValue + } + return p.startLabelName +} + +// startLabelName represents the state where the next byte read from p.buf is +// the start of a label name (or whitespace leading up to it). +func (p *TextParser) startLabelName() stateFn { + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte == '}' { + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + return p.readingValue + } + if p.readTokenAsLabelName(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentToken.Len() == 0 { + p.parseError(fmt.Sprintf("invalid label name for metric %q", p.currentMF.GetName())) + return nil + } + p.currentLabelPair = &dto.LabelPair{Name: proto.String(p.currentToken.String())} + if p.currentLabelPair.GetName() == string(model.MetricNameLabel) { + p.parseError(fmt.Sprintf("label name %q is reserved", model.MetricNameLabel)) + return nil + } + // Special summary/histogram treatment. Don't add 'quantile' and 'le' + // labels to 'real' labels. + if !(p.currentMF.GetType() == dto.MetricType_SUMMARY && p.currentLabelPair.GetName() == model.QuantileLabel) && + !(p.currentMF.GetType() == dto.MetricType_HISTOGRAM && p.currentLabelPair.GetName() == model.BucketLabel) { + p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPair) + } + if p.skipBlankTabIfCurrentBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte != '=' { + p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte)) + return nil + } + return p.startLabelValue +} + +// startLabelValue represents the state where the next byte read from p.buf is +// the start of a (quoted) label value (or whitespace leading up to it). +func (p *TextParser) startLabelValue() stateFn { + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte != '"' { + p.parseError(fmt.Sprintf("expected '\"' at start of label value, found %q", p.currentByte)) + return nil + } + if p.readTokenAsLabelValue(); p.err != nil { + return nil + } + if !model.LabelValue(p.currentToken.String()).IsValid() { + p.parseError(fmt.Sprintf("invalid label value %q", p.currentToken.String())) + return nil + } + p.currentLabelPair.Value = proto.String(p.currentToken.String()) + // Special treatment of summaries: + // - Quantile labels are special, will result in dto.Quantile later. + // - Other labels have to be added to currentLabels for signature calculation. + if p.currentMF.GetType() == dto.MetricType_SUMMARY { + if p.currentLabelPair.GetName() == model.QuantileLabel { + if p.currentQuantile, p.err = parseFloat(p.currentLabelPair.GetValue()); p.err != nil { + // Create a more helpful error message. + p.parseError(fmt.Sprintf("expected float as value for 'quantile' label, got %q", p.currentLabelPair.GetValue())) + return nil + } + } else { + p.currentLabels[p.currentLabelPair.GetName()] = p.currentLabelPair.GetValue() + } + } + // Similar special treatment of histograms. + if p.currentMF.GetType() == dto.MetricType_HISTOGRAM { + if p.currentLabelPair.GetName() == model.BucketLabel { + if p.currentBucket, p.err = parseFloat(p.currentLabelPair.GetValue()); p.err != nil { + // Create a more helpful error message. + p.parseError(fmt.Sprintf("expected float as value for 'le' label, got %q", p.currentLabelPair.GetValue())) + return nil + } + } else { + p.currentLabels[p.currentLabelPair.GetName()] = p.currentLabelPair.GetValue() + } + } + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + switch p.currentByte { + case ',': + return p.startLabelName + + case '}': + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + return p.readingValue + default: + p.parseError(fmt.Sprintf("unexpected end of label value %q", p.currentLabelPair.GetValue())) + return nil + } +} + +// readingValue represents the state where the last byte read (now in +// p.currentByte) is the first byte of the sample value (i.e. a float). +func (p *TextParser) readingValue() stateFn { + // When we are here, we have read all the labels, so for the + // special case of a summary/histogram, we can finally find out + // if the metric already exists. + if p.currentMF.GetType() == dto.MetricType_SUMMARY { + signature := model.LabelsToSignature(p.currentLabels) + if summary := p.summaries[signature]; summary != nil { + p.currentMetric = summary + } else { + p.summaries[signature] = p.currentMetric + p.currentMF.Metric = append(p.currentMF.Metric, p.currentMetric) + } + } else if p.currentMF.GetType() == dto.MetricType_HISTOGRAM { + signature := model.LabelsToSignature(p.currentLabels) + if histogram := p.histograms[signature]; histogram != nil { + p.currentMetric = histogram + } else { + p.histograms[signature] = p.currentMetric + p.currentMF.Metric = append(p.currentMF.Metric, p.currentMetric) + } + } else { + p.currentMF.Metric = append(p.currentMF.Metric, p.currentMetric) + } + if p.readTokenUntilWhitespace(); p.err != nil { + return nil // Unexpected end of input. + } + value, err := parseFloat(p.currentToken.String()) + if err != nil { + // Create a more helpful error message. + p.parseError(fmt.Sprintf("expected float as value, got %q", p.currentToken.String())) + return nil + } + switch p.currentMF.GetType() { + case dto.MetricType_COUNTER: + p.currentMetric.Counter = &dto.Counter{Value: proto.Float64(value)} + case dto.MetricType_GAUGE: + p.currentMetric.Gauge = &dto.Gauge{Value: proto.Float64(value)} + case dto.MetricType_UNTYPED: + p.currentMetric.Untyped = &dto.Untyped{Value: proto.Float64(value)} + case dto.MetricType_SUMMARY: + // *sigh* + if p.currentMetric.Summary == nil { + p.currentMetric.Summary = &dto.Summary{} + } + switch { + case p.currentIsSummaryCount: + p.currentMetric.Summary.SampleCount = proto.Uint64(uint64(value)) + case p.currentIsSummarySum: + p.currentMetric.Summary.SampleSum = proto.Float64(value) + case !math.IsNaN(p.currentQuantile): + p.currentMetric.Summary.Quantile = append( + p.currentMetric.Summary.Quantile, + &dto.Quantile{ + Quantile: proto.Float64(p.currentQuantile), + Value: proto.Float64(value), + }, + ) + } + case dto.MetricType_HISTOGRAM: + // *sigh* + if p.currentMetric.Histogram == nil { + p.currentMetric.Histogram = &dto.Histogram{} + } + switch { + case p.currentIsHistogramCount: + p.currentMetric.Histogram.SampleCount = proto.Uint64(uint64(value)) + case p.currentIsHistogramSum: + p.currentMetric.Histogram.SampleSum = proto.Float64(value) + case !math.IsNaN(p.currentBucket): + p.currentMetric.Histogram.Bucket = append( + p.currentMetric.Histogram.Bucket, + &dto.Bucket{ + UpperBound: proto.Float64(p.currentBucket), + CumulativeCount: proto.Uint64(uint64(value)), + }, + ) + } + default: + p.err = fmt.Errorf("unexpected type for metric name %q", p.currentMF.GetName()) + } + if p.currentByte == '\n' { + return p.startOfLine + } + return p.startTimestamp +} + +// startTimestamp represents the state where the next byte read from p.buf is +// the start of the timestamp (or whitespace leading up to it). +func (p *TextParser) startTimestamp() stateFn { + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.readTokenUntilWhitespace(); p.err != nil { + return nil // Unexpected end of input. + } + timestamp, err := strconv.ParseInt(p.currentToken.String(), 10, 64) + if err != nil { + // Create a more helpful error message. + p.parseError(fmt.Sprintf("expected integer as timestamp, got %q", p.currentToken.String())) + return nil + } + p.currentMetric.TimestampMs = proto.Int64(timestamp) + if p.readTokenUntilNewline(false); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentToken.Len() > 0 { + p.parseError(fmt.Sprintf("spurious string after timestamp: %q", p.currentToken.String())) + return nil + } + return p.startOfLine +} + +// readingHelp represents the state where the last byte read (now in +// p.currentByte) is the first byte of the docstring after 'HELP'. +func (p *TextParser) readingHelp() stateFn { + if p.currentMF.Help != nil { + p.parseError(fmt.Sprintf("second HELP line for metric name %q", p.currentMF.GetName())) + return nil + } + // Rest of line is the docstring. + if p.readTokenUntilNewline(true); p.err != nil { + return nil // Unexpected end of input. + } + p.currentMF.Help = proto.String(p.currentToken.String()) + return p.startOfLine +} + +// readingType represents the state where the last byte read (now in +// p.currentByte) is the first byte of the type hint after 'HELP'. +func (p *TextParser) readingType() stateFn { + if p.currentMF.Type != nil { + p.parseError(fmt.Sprintf("second TYPE line for metric name %q, or TYPE reported after samples", p.currentMF.GetName())) + return nil + } + // Rest of line is the type. + if p.readTokenUntilNewline(false); p.err != nil { + return nil // Unexpected end of input. + } + metricType, ok := dto.MetricType_value[strings.ToUpper(p.currentToken.String())] + if !ok { + p.parseError(fmt.Sprintf("unknown metric type %q", p.currentToken.String())) + return nil + } + p.currentMF.Type = dto.MetricType(metricType).Enum() + return p.startOfLine +} + +// parseError sets p.err to a ParseError at the current line with the given +// message. +func (p *TextParser) parseError(msg string) { + p.err = ParseError{ + Line: p.lineCount, + Msg: msg, + } +} + +// skipBlankTab reads (and discards) bytes from p.buf until it encounters a byte +// that is neither ' ' nor '\t'. That byte is left in p.currentByte. +func (p *TextParser) skipBlankTab() { + for { + if p.currentByte, p.err = p.buf.ReadByte(); p.err != nil || !isBlankOrTab(p.currentByte) { + return + } + } +} + +// skipBlankTabIfCurrentBlankTab works exactly as skipBlankTab but doesn't do +// anything if p.currentByte is neither ' ' nor '\t'. +func (p *TextParser) skipBlankTabIfCurrentBlankTab() { + if isBlankOrTab(p.currentByte) { + p.skipBlankTab() + } +} + +// readTokenUntilWhitespace copies bytes from p.buf into p.currentToken. The +// first byte considered is the byte already read (now in p.currentByte). The +// first whitespace byte encountered is still copied into p.currentByte, but not +// into p.currentToken. +func (p *TextParser) readTokenUntilWhitespace() { + p.currentToken.Reset() + for p.err == nil && !isBlankOrTab(p.currentByte) && p.currentByte != '\n' { + p.currentToken.WriteByte(p.currentByte) + p.currentByte, p.err = p.buf.ReadByte() + } +} + +// readTokenUntilNewline copies bytes from p.buf into p.currentToken. The first +// byte considered is the byte already read (now in p.currentByte). The first +// newline byte encountered is still copied into p.currentByte, but not into +// p.currentToken. If recognizeEscapeSequence is true, two escape sequences are +// recognized: '\\' translates into '\', and '\n' into a line-feed character. +// All other escape sequences are invalid and cause an error. +func (p *TextParser) readTokenUntilNewline(recognizeEscapeSequence bool) { + p.currentToken.Reset() + escaped := false + for p.err == nil { + if recognizeEscapeSequence && escaped { + switch p.currentByte { + case '\\': + p.currentToken.WriteByte(p.currentByte) + case 'n': + p.currentToken.WriteByte('\n') + default: + p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte)) + return + } + escaped = false + } else { + switch p.currentByte { + case '\n': + return + case '\\': + escaped = true + default: + p.currentToken.WriteByte(p.currentByte) + } + } + p.currentByte, p.err = p.buf.ReadByte() + } +} + +// readTokenAsMetricName copies a metric name from p.buf into p.currentToken. +// The first byte considered is the byte already read (now in p.currentByte). +// The first byte not part of a metric name is still copied into p.currentByte, +// but not into p.currentToken. +func (p *TextParser) readTokenAsMetricName() { + p.currentToken.Reset() + if !isValidMetricNameStart(p.currentByte) { + return + } + for { + p.currentToken.WriteByte(p.currentByte) + p.currentByte, p.err = p.buf.ReadByte() + if p.err != nil || !isValidMetricNameContinuation(p.currentByte) { + return + } + } +} + +// readTokenAsLabelName copies a label name from p.buf into p.currentToken. +// The first byte considered is the byte already read (now in p.currentByte). +// The first byte not part of a label name is still copied into p.currentByte, +// but not into p.currentToken. +func (p *TextParser) readTokenAsLabelName() { + p.currentToken.Reset() + if !isValidLabelNameStart(p.currentByte) { + return + } + for { + p.currentToken.WriteByte(p.currentByte) + p.currentByte, p.err = p.buf.ReadByte() + if p.err != nil || !isValidLabelNameContinuation(p.currentByte) { + return + } + } +} + +// readTokenAsLabelValue copies a label value from p.buf into p.currentToken. +// In contrast to the other 'readTokenAs...' functions, which start with the +// last read byte in p.currentByte, this method ignores p.currentByte and starts +// with reading a new byte from p.buf. The first byte not part of a label value +// is still copied into p.currentByte, but not into p.currentToken. +func (p *TextParser) readTokenAsLabelValue() { + p.currentToken.Reset() + escaped := false + for { + if p.currentByte, p.err = p.buf.ReadByte(); p.err != nil { + return + } + if escaped { + switch p.currentByte { + case '"', '\\': + p.currentToken.WriteByte(p.currentByte) + case 'n': + p.currentToken.WriteByte('\n') + default: + p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte)) + return + } + escaped = false + continue + } + switch p.currentByte { + case '"': + return + case '\n': + p.parseError(fmt.Sprintf("label value %q contains unescaped new-line", p.currentToken.String())) + return + case '\\': + escaped = true + default: + p.currentToken.WriteByte(p.currentByte) + } + } +} + +func (p *TextParser) setOrCreateCurrentMF() { + p.currentIsSummaryCount = false + p.currentIsSummarySum = false + p.currentIsHistogramCount = false + p.currentIsHistogramSum = false + name := p.currentToken.String() + if p.currentMF = p.metricFamiliesByName[name]; p.currentMF != nil { + return + } + // Try out if this is a _sum or _count for a summary/histogram. + summaryName := summaryMetricName(name) + if p.currentMF = p.metricFamiliesByName[summaryName]; p.currentMF != nil { + if p.currentMF.GetType() == dto.MetricType_SUMMARY { + if isCount(name) { + p.currentIsSummaryCount = true + } + if isSum(name) { + p.currentIsSummarySum = true + } + return + } + } + histogramName := histogramMetricName(name) + if p.currentMF = p.metricFamiliesByName[histogramName]; p.currentMF != nil { + if p.currentMF.GetType() == dto.MetricType_HISTOGRAM { + if isCount(name) { + p.currentIsHistogramCount = true + } + if isSum(name) { + p.currentIsHistogramSum = true + } + return + } + } + p.currentMF = &dto.MetricFamily{Name: proto.String(name)} + p.metricFamiliesByName[name] = p.currentMF +} + +func isValidLabelNameStart(b byte) bool { + return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' +} + +func isValidLabelNameContinuation(b byte) bool { + return isValidLabelNameStart(b) || (b >= '0' && b <= '9') +} + +func isValidMetricNameStart(b byte) bool { + return isValidLabelNameStart(b) || b == ':' +} + +func isValidMetricNameContinuation(b byte) bool { + return isValidLabelNameContinuation(b) || b == ':' +} + +func isBlankOrTab(b byte) bool { + return b == ' ' || b == '\t' +} + +func isCount(name string) bool { + return len(name) > 6 && name[len(name)-6:] == "_count" +} + +func isSum(name string) bool { + return len(name) > 4 && name[len(name)-4:] == "_sum" +} + +func isBucket(name string) bool { + return len(name) > 7 && name[len(name)-7:] == "_bucket" +} + +func summaryMetricName(name string) string { + switch { + case isCount(name): + return name[:len(name)-6] + case isSum(name): + return name[:len(name)-4] + default: + return name + } +} + +func histogramMetricName(name string) string { + switch { + case isCount(name): + return name[:len(name)-6] + case isSum(name): + return name[:len(name)-4] + case isBucket(name): + return name[:len(name)-7] + default: + return name + } +} + +func parseFloat(s string) (float64, error) { + if strings.ContainsAny(s, "pP_") { + return 0, fmt.Errorf("unsupported character in float") + } + return strconv.ParseFloat(s, 64) +} diff --git a/constraint/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt b/constraint/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt new file mode 100644 index 000000000..7723656d5 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt @@ -0,0 +1,67 @@ +PACKAGE + +package goautoneg +import "bitbucket.org/ww/goautoneg" + +HTTP Content-Type Autonegotiation. + +The functions in this package implement the behaviour specified in +http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html + +Copyright (c) 2011, Open Knowledge Foundation Ltd. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + Neither the name of the Open Knowledge Foundation Ltd. nor the + names of its contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +FUNCTIONS + +func Negotiate(header string, alternatives []string) (content_type string) +Negotiate the most appropriate content_type given the accept header +and a list of alternatives. + +func ParseAccept(header string) (accept []Accept) +Parse an Accept Header string returning a sorted list +of clauses + + +TYPES + +type Accept struct { + Type, SubType string + Q float32 + Params map[string]string +} +Structure to represent a clause in an HTTP Accept Header + + +SUBDIRECTORIES + + .hg diff --git a/constraint/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go b/constraint/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go new file mode 100644 index 000000000..26e92288c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go @@ -0,0 +1,162 @@ +/* +Copyright (c) 2011, Open Knowledge Foundation Ltd. +All rights reserved. + +HTTP Content-Type Autonegotiation. + +The functions in this package implement the behaviour specified in +http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + Neither the name of the Open Knowledge Foundation Ltd. nor the + names of its contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +*/ +package goautoneg + +import ( + "sort" + "strconv" + "strings" +) + +// Structure to represent a clause in an HTTP Accept Header +type Accept struct { + Type, SubType string + Q float64 + Params map[string]string +} + +// For internal use, so that we can use the sort interface +type accept_slice []Accept + +func (accept accept_slice) Len() int { + slice := []Accept(accept) + return len(slice) +} + +func (accept accept_slice) Less(i, j int) bool { + slice := []Accept(accept) + ai, aj := slice[i], slice[j] + if ai.Q > aj.Q { + return true + } + if ai.Type != "*" && aj.Type == "*" { + return true + } + if ai.SubType != "*" && aj.SubType == "*" { + return true + } + return false +} + +func (accept accept_slice) Swap(i, j int) { + slice := []Accept(accept) + slice[i], slice[j] = slice[j], slice[i] +} + +// Parse an Accept Header string returning a sorted list +// of clauses +func ParseAccept(header string) (accept []Accept) { + parts := strings.Split(header, ",") + accept = make([]Accept, 0, len(parts)) + for _, part := range parts { + part := strings.Trim(part, " ") + + a := Accept{} + a.Params = make(map[string]string) + a.Q = 1.0 + + mrp := strings.Split(part, ";") + + media_range := mrp[0] + sp := strings.Split(media_range, "/") + a.Type = strings.Trim(sp[0], " ") + + switch { + case len(sp) == 1 && a.Type == "*": + a.SubType = "*" + case len(sp) == 2: + a.SubType = strings.Trim(sp[1], " ") + default: + continue + } + + if len(mrp) == 1 { + accept = append(accept, a) + continue + } + + for _, param := range mrp[1:] { + sp := strings.SplitN(param, "=", 2) + if len(sp) != 2 { + continue + } + token := strings.Trim(sp[0], " ") + if token == "q" { + a.Q, _ = strconv.ParseFloat(sp[1], 32) + } else { + a.Params[token] = strings.Trim(sp[1], " ") + } + } + + accept = append(accept, a) + } + + slice := accept_slice(accept) + sort.Sort(slice) + + return +} + +// Negotiate the most appropriate content_type given the accept header +// and a list of alternatives. +func Negotiate(header string, alternatives []string) (content_type string) { + asp := make([][]string, 0, len(alternatives)) + for _, ctype := range alternatives { + asp = append(asp, strings.SplitN(ctype, "/", 2)) + } + for _, clause := range ParseAccept(header) { + for i, ctsp := range asp { + if clause.Type == ctsp[0] && clause.SubType == ctsp[1] { + content_type = alternatives[i] + return + } + if clause.Type == ctsp[0] && clause.SubType == "*" { + content_type = alternatives[i] + return + } + if clause.Type == "*" && clause.SubType == "*" { + content_type = alternatives[i] + return + } + } + } + return +} diff --git a/constraint/vendor/github.com/prometheus/common/model/alert.go b/constraint/vendor/github.com/prometheus/common/model/alert.go new file mode 100644 index 000000000..35e739c7a --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/alert.go @@ -0,0 +1,136 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "fmt" + "time" +) + +type AlertStatus string + +const ( + AlertFiring AlertStatus = "firing" + AlertResolved AlertStatus = "resolved" +) + +// Alert is a generic representation of an alert in the Prometheus eco-system. +type Alert struct { + // Label value pairs for purpose of aggregation, matching, and disposition + // dispatching. This must minimally include an "alertname" label. + Labels LabelSet `json:"labels"` + + // Extra key/value information which does not define alert identity. + Annotations LabelSet `json:"annotations"` + + // The known time range for this alert. Both ends are optional. + StartsAt time.Time `json:"startsAt,omitempty"` + EndsAt time.Time `json:"endsAt,omitempty"` + GeneratorURL string `json:"generatorURL"` +} + +// Name returns the name of the alert. It is equivalent to the "alertname" label. +func (a *Alert) Name() string { + return string(a.Labels[AlertNameLabel]) +} + +// Fingerprint returns a unique hash for the alert. It is equivalent to +// the fingerprint of the alert's label set. +func (a *Alert) Fingerprint() Fingerprint { + return a.Labels.Fingerprint() +} + +func (a *Alert) String() string { + s := fmt.Sprintf("%s[%s]", a.Name(), a.Fingerprint().String()[:7]) + if a.Resolved() { + return s + "[resolved]" + } + return s + "[active]" +} + +// Resolved returns true iff the activity interval ended in the past. +func (a *Alert) Resolved() bool { + return a.ResolvedAt(time.Now()) +} + +// ResolvedAt returns true off the activity interval ended before +// the given timestamp. +func (a *Alert) ResolvedAt(ts time.Time) bool { + if a.EndsAt.IsZero() { + return false + } + return !a.EndsAt.After(ts) +} + +// Status returns the status of the alert. +func (a *Alert) Status() AlertStatus { + if a.Resolved() { + return AlertResolved + } + return AlertFiring +} + +// Validate checks whether the alert data is inconsistent. +func (a *Alert) Validate() error { + if a.StartsAt.IsZero() { + return fmt.Errorf("start time missing") + } + if !a.EndsAt.IsZero() && a.EndsAt.Before(a.StartsAt) { + return fmt.Errorf("start time must be before end time") + } + if err := a.Labels.Validate(); err != nil { + return fmt.Errorf("invalid label set: %s", err) + } + if len(a.Labels) == 0 { + return fmt.Errorf("at least one label pair required") + } + if err := a.Annotations.Validate(); err != nil { + return fmt.Errorf("invalid annotations: %s", err) + } + return nil +} + +// Alert is a list of alerts that can be sorted in chronological order. +type Alerts []*Alert + +func (as Alerts) Len() int { return len(as) } +func (as Alerts) Swap(i, j int) { as[i], as[j] = as[j], as[i] } + +func (as Alerts) Less(i, j int) bool { + if as[i].StartsAt.Before(as[j].StartsAt) { + return true + } + if as[i].EndsAt.Before(as[j].EndsAt) { + return true + } + return as[i].Fingerprint() < as[j].Fingerprint() +} + +// HasFiring returns true iff one of the alerts is not resolved. +func (as Alerts) HasFiring() bool { + for _, a := range as { + if !a.Resolved() { + return true + } + } + return false +} + +// Status returns StatusFiring iff at least one of the alerts is firing. +func (as Alerts) Status() AlertStatus { + if as.HasFiring() { + return AlertFiring + } + return AlertResolved +} diff --git a/constraint/vendor/github.com/prometheus/common/model/fingerprinting.go b/constraint/vendor/github.com/prometheus/common/model/fingerprinting.go new file mode 100644 index 000000000..fc4de4106 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/fingerprinting.go @@ -0,0 +1,105 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "fmt" + "strconv" +) + +// Fingerprint provides a hash-capable representation of a Metric. +// For our purposes, FNV-1A 64-bit is used. +type Fingerprint uint64 + +// FingerprintFromString transforms a string representation into a Fingerprint. +func FingerprintFromString(s string) (Fingerprint, error) { + num, err := strconv.ParseUint(s, 16, 64) + return Fingerprint(num), err +} + +// ParseFingerprint parses the input string into a fingerprint. +func ParseFingerprint(s string) (Fingerprint, error) { + num, err := strconv.ParseUint(s, 16, 64) + if err != nil { + return 0, err + } + return Fingerprint(num), nil +} + +func (f Fingerprint) String() string { + return fmt.Sprintf("%016x", uint64(f)) +} + +// Fingerprints represents a collection of Fingerprint subject to a given +// natural sorting scheme. It implements sort.Interface. +type Fingerprints []Fingerprint + +// Len implements sort.Interface. +func (f Fingerprints) Len() int { + return len(f) +} + +// Less implements sort.Interface. +func (f Fingerprints) Less(i, j int) bool { + return f[i] < f[j] +} + +// Swap implements sort.Interface. +func (f Fingerprints) Swap(i, j int) { + f[i], f[j] = f[j], f[i] +} + +// FingerprintSet is a set of Fingerprints. +type FingerprintSet map[Fingerprint]struct{} + +// Equal returns true if both sets contain the same elements (and not more). +func (s FingerprintSet) Equal(o FingerprintSet) bool { + if len(s) != len(o) { + return false + } + + for k := range s { + if _, ok := o[k]; !ok { + return false + } + } + + return true +} + +// Intersection returns the elements contained in both sets. +func (s FingerprintSet) Intersection(o FingerprintSet) FingerprintSet { + myLength, otherLength := len(s), len(o) + if myLength == 0 || otherLength == 0 { + return FingerprintSet{} + } + + subSet := s + superSet := o + + if otherLength < myLength { + subSet = o + superSet = s + } + + out := FingerprintSet{} + + for k := range subSet { + if _, ok := superSet[k]; ok { + out[k] = struct{}{} + } + } + + return out +} diff --git a/constraint/vendor/github.com/prometheus/common/model/fnv.go b/constraint/vendor/github.com/prometheus/common/model/fnv.go new file mode 100644 index 000000000..038fc1c90 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/fnv.go @@ -0,0 +1,42 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +// Inline and byte-free variant of hash/fnv's fnv64a. + +const ( + offset64 = 14695981039346656037 + prime64 = 1099511628211 +) + +// hashNew initializies a new fnv64a hash value. +func hashNew() uint64 { + return offset64 +} + +// hashAdd adds a string to a fnv64a hash value, returning the updated hash. +func hashAdd(h uint64, s string) uint64 { + for i := 0; i < len(s); i++ { + h ^= uint64(s[i]) + h *= prime64 + } + return h +} + +// hashAddByte adds a byte to a fnv64a hash value, returning the updated hash. +func hashAddByte(h uint64, b byte) uint64 { + h ^= uint64(b) + h *= prime64 + return h +} diff --git a/constraint/vendor/github.com/prometheus/common/model/labels.go b/constraint/vendor/github.com/prometheus/common/model/labels.go new file mode 100644 index 000000000..41051a01a --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/labels.go @@ -0,0 +1,210 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "encoding/json" + "fmt" + "regexp" + "strings" + "unicode/utf8" +) + +const ( + // AlertNameLabel is the name of the label containing the an alert's name. + AlertNameLabel = "alertname" + + // ExportedLabelPrefix is the prefix to prepend to the label names present in + // exported metrics if a label of the same name is added by the server. + ExportedLabelPrefix = "exported_" + + // MetricNameLabel is the label name indicating the metric name of a + // timeseries. + MetricNameLabel = "__name__" + + // SchemeLabel is the name of the label that holds the scheme on which to + // scrape a target. + SchemeLabel = "__scheme__" + + // AddressLabel is the name of the label that holds the address of + // a scrape target. + AddressLabel = "__address__" + + // MetricsPathLabel is the name of the label that holds the path on which to + // scrape a target. + MetricsPathLabel = "__metrics_path__" + + // ReservedLabelPrefix is a prefix which is not legal in user-supplied + // label names. + ReservedLabelPrefix = "__" + + // MetaLabelPrefix is a prefix for labels that provide meta information. + // Labels with this prefix are used for intermediate label processing and + // will not be attached to time series. + MetaLabelPrefix = "__meta_" + + // TmpLabelPrefix is a prefix for temporary labels as part of relabelling. + // Labels with this prefix are used for intermediate label processing and + // will not be attached to time series. This is reserved for use in + // Prometheus configuration files by users. + TmpLabelPrefix = "__tmp_" + + // ParamLabelPrefix is a prefix for labels that provide URL parameters + // used to scrape a target. + ParamLabelPrefix = "__param_" + + // JobLabel is the label name indicating the job from which a timeseries + // was scraped. + JobLabel = "job" + + // InstanceLabel is the label name used for the instance label. + InstanceLabel = "instance" + + // BucketLabel is used for the label that defines the upper bound of a + // bucket of a histogram ("le" -> "less or equal"). + BucketLabel = "le" + + // QuantileLabel is used for the label that defines the quantile in a + // summary. + QuantileLabel = "quantile" +) + +// LabelNameRE is a regular expression matching valid label names. Note that the +// IsValid method of LabelName performs the same check but faster than a match +// with this regular expression. +var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$") + +// A LabelName is a key for a LabelSet or Metric. It has a value associated +// therewith. +type LabelName string + +// IsValid is true iff the label name matches the pattern of LabelNameRE. This +// method, however, does not use LabelNameRE for the check but a much faster +// hardcoded implementation. +func (ln LabelName) IsValid() bool { + if len(ln) == 0 { + return false + } + for i, b := range ln { + if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) { + return false + } + } + return true +} + +// UnmarshalYAML implements the yaml.Unmarshaler interface. +func (ln *LabelName) UnmarshalYAML(unmarshal func(interface{}) error) error { + var s string + if err := unmarshal(&s); err != nil { + return err + } + if !LabelName(s).IsValid() { + return fmt.Errorf("%q is not a valid label name", s) + } + *ln = LabelName(s) + return nil +} + +// UnmarshalJSON implements the json.Unmarshaler interface. +func (ln *LabelName) UnmarshalJSON(b []byte) error { + var s string + if err := json.Unmarshal(b, &s); err != nil { + return err + } + if !LabelName(s).IsValid() { + return fmt.Errorf("%q is not a valid label name", s) + } + *ln = LabelName(s) + return nil +} + +// LabelNames is a sortable LabelName slice. In implements sort.Interface. +type LabelNames []LabelName + +func (l LabelNames) Len() int { + return len(l) +} + +func (l LabelNames) Less(i, j int) bool { + return l[i] < l[j] +} + +func (l LabelNames) Swap(i, j int) { + l[i], l[j] = l[j], l[i] +} + +func (l LabelNames) String() string { + labelStrings := make([]string, 0, len(l)) + for _, label := range l { + labelStrings = append(labelStrings, string(label)) + } + return strings.Join(labelStrings, ", ") +} + +// A LabelValue is an associated value for a LabelName. +type LabelValue string + +// IsValid returns true iff the string is a valid UTF8. +func (lv LabelValue) IsValid() bool { + return utf8.ValidString(string(lv)) +} + +// LabelValues is a sortable LabelValue slice. It implements sort.Interface. +type LabelValues []LabelValue + +func (l LabelValues) Len() int { + return len(l) +} + +func (l LabelValues) Less(i, j int) bool { + return string(l[i]) < string(l[j]) +} + +func (l LabelValues) Swap(i, j int) { + l[i], l[j] = l[j], l[i] +} + +// LabelPair pairs a name with a value. +type LabelPair struct { + Name LabelName + Value LabelValue +} + +// LabelPairs is a sortable slice of LabelPair pointers. It implements +// sort.Interface. +type LabelPairs []*LabelPair + +func (l LabelPairs) Len() int { + return len(l) +} + +func (l LabelPairs) Less(i, j int) bool { + switch { + case l[i].Name > l[j].Name: + return false + case l[i].Name < l[j].Name: + return true + case l[i].Value > l[j].Value: + return false + case l[i].Value < l[j].Value: + return true + default: + return false + } +} + +func (l LabelPairs) Swap(i, j int) { + l[i], l[j] = l[j], l[i] +} diff --git a/constraint/vendor/github.com/prometheus/common/model/labelset.go b/constraint/vendor/github.com/prometheus/common/model/labelset.go new file mode 100644 index 000000000..6eda08a73 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/labelset.go @@ -0,0 +1,169 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "encoding/json" + "fmt" + "sort" + "strings" +) + +// A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet +// may be fully-qualified down to the point where it may resolve to a single +// Metric in the data store or not. All operations that occur within the realm +// of a LabelSet can emit a vector of Metric entities to which the LabelSet may +// match. +type LabelSet map[LabelName]LabelValue + +// Validate checks whether all names and values in the label set +// are valid. +func (ls LabelSet) Validate() error { + for ln, lv := range ls { + if !ln.IsValid() { + return fmt.Errorf("invalid name %q", ln) + } + if !lv.IsValid() { + return fmt.Errorf("invalid value %q", lv) + } + } + return nil +} + +// Equal returns true iff both label sets have exactly the same key/value pairs. +func (ls LabelSet) Equal(o LabelSet) bool { + if len(ls) != len(o) { + return false + } + for ln, lv := range ls { + olv, ok := o[ln] + if !ok { + return false + } + if olv != lv { + return false + } + } + return true +} + +// Before compares the metrics, using the following criteria: +// +// If m has fewer labels than o, it is before o. If it has more, it is not. +// +// If the number of labels is the same, the superset of all label names is +// sorted alphanumerically. The first differing label pair found in that order +// determines the outcome: If the label does not exist at all in m, then m is +// before o, and vice versa. Otherwise the label value is compared +// alphanumerically. +// +// If m and o are equal, the method returns false. +func (ls LabelSet) Before(o LabelSet) bool { + if len(ls) < len(o) { + return true + } + if len(ls) > len(o) { + return false + } + + lns := make(LabelNames, 0, len(ls)+len(o)) + for ln := range ls { + lns = append(lns, ln) + } + for ln := range o { + lns = append(lns, ln) + } + // It's probably not worth it to de-dup lns. + sort.Sort(lns) + for _, ln := range lns { + mlv, ok := ls[ln] + if !ok { + return true + } + olv, ok := o[ln] + if !ok { + return false + } + if mlv < olv { + return true + } + if mlv > olv { + return false + } + } + return false +} + +// Clone returns a copy of the label set. +func (ls LabelSet) Clone() LabelSet { + lsn := make(LabelSet, len(ls)) + for ln, lv := range ls { + lsn[ln] = lv + } + return lsn +} + +// Merge is a helper function to non-destructively merge two label sets. +func (l LabelSet) Merge(other LabelSet) LabelSet { + result := make(LabelSet, len(l)) + + for k, v := range l { + result[k] = v + } + + for k, v := range other { + result[k] = v + } + + return result +} + +func (l LabelSet) String() string { + lstrs := make([]string, 0, len(l)) + for l, v := range l { + lstrs = append(lstrs, fmt.Sprintf("%s=%q", l, v)) + } + + sort.Strings(lstrs) + return fmt.Sprintf("{%s}", strings.Join(lstrs, ", ")) +} + +// Fingerprint returns the LabelSet's fingerprint. +func (ls LabelSet) Fingerprint() Fingerprint { + return labelSetToFingerprint(ls) +} + +// FastFingerprint returns the LabelSet's Fingerprint calculated by a faster hashing +// algorithm, which is, however, more susceptible to hash collisions. +func (ls LabelSet) FastFingerprint() Fingerprint { + return labelSetToFastFingerprint(ls) +} + +// UnmarshalJSON implements the json.Unmarshaler interface. +func (l *LabelSet) UnmarshalJSON(b []byte) error { + var m map[LabelName]LabelValue + if err := json.Unmarshal(b, &m); err != nil { + return err + } + // encoding/json only unmarshals maps of the form map[string]T. It treats + // LabelName as a string and does not call its UnmarshalJSON method. + // Thus, we have to replicate the behavior here. + for ln := range m { + if !ln.IsValid() { + return fmt.Errorf("%q is not a valid label name", ln) + } + } + *l = LabelSet(m) + return nil +} diff --git a/constraint/vendor/github.com/prometheus/common/model/metric.go b/constraint/vendor/github.com/prometheus/common/model/metric.go new file mode 100644 index 000000000..00804b7fe --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/metric.go @@ -0,0 +1,102 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "fmt" + "regexp" + "sort" + "strings" +) + +var ( + // MetricNameRE is a regular expression matching valid metric + // names. Note that the IsValidMetricName function performs the same + // check but faster than a match with this regular expression. + MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`) +) + +// A Metric is similar to a LabelSet, but the key difference is that a Metric is +// a singleton and refers to one and only one stream of samples. +type Metric LabelSet + +// Equal compares the metrics. +func (m Metric) Equal(o Metric) bool { + return LabelSet(m).Equal(LabelSet(o)) +} + +// Before compares the metrics' underlying label sets. +func (m Metric) Before(o Metric) bool { + return LabelSet(m).Before(LabelSet(o)) +} + +// Clone returns a copy of the Metric. +func (m Metric) Clone() Metric { + clone := make(Metric, len(m)) + for k, v := range m { + clone[k] = v + } + return clone +} + +func (m Metric) String() string { + metricName, hasName := m[MetricNameLabel] + numLabels := len(m) - 1 + if !hasName { + numLabels = len(m) + } + labelStrings := make([]string, 0, numLabels) + for label, value := range m { + if label != MetricNameLabel { + labelStrings = append(labelStrings, fmt.Sprintf("%s=%q", label, value)) + } + } + + switch numLabels { + case 0: + if hasName { + return string(metricName) + } + return "{}" + default: + sort.Strings(labelStrings) + return fmt.Sprintf("%s{%s}", metricName, strings.Join(labelStrings, ", ")) + } +} + +// Fingerprint returns a Metric's Fingerprint. +func (m Metric) Fingerprint() Fingerprint { + return LabelSet(m).Fingerprint() +} + +// FastFingerprint returns a Metric's Fingerprint calculated by a faster hashing +// algorithm, which is, however, more susceptible to hash collisions. +func (m Metric) FastFingerprint() Fingerprint { + return LabelSet(m).FastFingerprint() +} + +// IsValidMetricName returns true iff name matches the pattern of MetricNameRE. +// This function, however, does not use MetricNameRE for the check but a much +// faster hardcoded implementation. +func IsValidMetricName(n LabelValue) bool { + if len(n) == 0 { + return false + } + for i, b := range n { + if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) { + return false + } + } + return true +} diff --git a/constraint/vendor/github.com/prometheus/common/model/model.go b/constraint/vendor/github.com/prometheus/common/model/model.go new file mode 100644 index 000000000..a7b969170 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/model.go @@ -0,0 +1,16 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package model contains common data structures that are shared across +// Prometheus components and libraries. +package model diff --git a/constraint/vendor/github.com/prometheus/common/model/signature.go b/constraint/vendor/github.com/prometheus/common/model/signature.go new file mode 100644 index 000000000..8762b13c6 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/signature.go @@ -0,0 +1,144 @@ +// Copyright 2014 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "sort" +) + +// SeparatorByte is a byte that cannot occur in valid UTF-8 sequences and is +// used to separate label names, label values, and other strings from each other +// when calculating their combined hash value (aka signature aka fingerprint). +const SeparatorByte byte = 255 + +var ( + // cache the signature of an empty label set. + emptyLabelSignature = hashNew() +) + +// LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a +// given label set. (Collisions are possible but unlikely if the number of label +// sets the function is applied to is small.) +func LabelsToSignature(labels map[string]string) uint64 { + if len(labels) == 0 { + return emptyLabelSignature + } + + labelNames := make([]string, 0, len(labels)) + for labelName := range labels { + labelNames = append(labelNames, labelName) + } + sort.Strings(labelNames) + + sum := hashNew() + for _, labelName := range labelNames { + sum = hashAdd(sum, labelName) + sum = hashAddByte(sum, SeparatorByte) + sum = hashAdd(sum, labels[labelName]) + sum = hashAddByte(sum, SeparatorByte) + } + return sum +} + +// labelSetToFingerprint works exactly as LabelsToSignature but takes a LabelSet as +// parameter (rather than a label map) and returns a Fingerprint. +func labelSetToFingerprint(ls LabelSet) Fingerprint { + if len(ls) == 0 { + return Fingerprint(emptyLabelSignature) + } + + labelNames := make(LabelNames, 0, len(ls)) + for labelName := range ls { + labelNames = append(labelNames, labelName) + } + sort.Sort(labelNames) + + sum := hashNew() + for _, labelName := range labelNames { + sum = hashAdd(sum, string(labelName)) + sum = hashAddByte(sum, SeparatorByte) + sum = hashAdd(sum, string(ls[labelName])) + sum = hashAddByte(sum, SeparatorByte) + } + return Fingerprint(sum) +} + +// labelSetToFastFingerprint works similar to labelSetToFingerprint but uses a +// faster and less allocation-heavy hash function, which is more susceptible to +// create hash collisions. Therefore, collision detection should be applied. +func labelSetToFastFingerprint(ls LabelSet) Fingerprint { + if len(ls) == 0 { + return Fingerprint(emptyLabelSignature) + } + + var result uint64 + for labelName, labelValue := range ls { + sum := hashNew() + sum = hashAdd(sum, string(labelName)) + sum = hashAddByte(sum, SeparatorByte) + sum = hashAdd(sum, string(labelValue)) + result ^= sum + } + return Fingerprint(result) +} + +// SignatureForLabels works like LabelsToSignature but takes a Metric as +// parameter (rather than a label map) and only includes the labels with the +// specified LabelNames into the signature calculation. The labels passed in +// will be sorted by this function. +func SignatureForLabels(m Metric, labels ...LabelName) uint64 { + if len(labels) == 0 { + return emptyLabelSignature + } + + sort.Sort(LabelNames(labels)) + + sum := hashNew() + for _, label := range labels { + sum = hashAdd(sum, string(label)) + sum = hashAddByte(sum, SeparatorByte) + sum = hashAdd(sum, string(m[label])) + sum = hashAddByte(sum, SeparatorByte) + } + return sum +} + +// SignatureWithoutLabels works like LabelsToSignature but takes a Metric as +// parameter (rather than a label map) and excludes the labels with any of the +// specified LabelNames from the signature calculation. +func SignatureWithoutLabels(m Metric, labels map[LabelName]struct{}) uint64 { + if len(m) == 0 { + return emptyLabelSignature + } + + labelNames := make(LabelNames, 0, len(m)) + for labelName := range m { + if _, exclude := labels[labelName]; !exclude { + labelNames = append(labelNames, labelName) + } + } + if len(labelNames) == 0 { + return emptyLabelSignature + } + sort.Sort(labelNames) + + sum := hashNew() + for _, labelName := range labelNames { + sum = hashAdd(sum, string(labelName)) + sum = hashAddByte(sum, SeparatorByte) + sum = hashAdd(sum, string(m[labelName])) + sum = hashAddByte(sum, SeparatorByte) + } + return sum +} diff --git a/constraint/vendor/github.com/prometheus/common/model/silence.go b/constraint/vendor/github.com/prometheus/common/model/silence.go new file mode 100644 index 000000000..bb99889d2 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/silence.go @@ -0,0 +1,106 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "encoding/json" + "fmt" + "regexp" + "time" +) + +// Matcher describes a matches the value of a given label. +type Matcher struct { + Name LabelName `json:"name"` + Value string `json:"value"` + IsRegex bool `json:"isRegex"` +} + +func (m *Matcher) UnmarshalJSON(b []byte) error { + type plain Matcher + if err := json.Unmarshal(b, (*plain)(m)); err != nil { + return err + } + + if len(m.Name) == 0 { + return fmt.Errorf("label name in matcher must not be empty") + } + if m.IsRegex { + if _, err := regexp.Compile(m.Value); err != nil { + return err + } + } + return nil +} + +// Validate returns true iff all fields of the matcher have valid values. +func (m *Matcher) Validate() error { + if !m.Name.IsValid() { + return fmt.Errorf("invalid name %q", m.Name) + } + if m.IsRegex { + if _, err := regexp.Compile(m.Value); err != nil { + return fmt.Errorf("invalid regular expression %q", m.Value) + } + } else if !LabelValue(m.Value).IsValid() || len(m.Value) == 0 { + return fmt.Errorf("invalid value %q", m.Value) + } + return nil +} + +// Silence defines the representation of a silence definition in the Prometheus +// eco-system. +type Silence struct { + ID uint64 `json:"id,omitempty"` + + Matchers []*Matcher `json:"matchers"` + + StartsAt time.Time `json:"startsAt"` + EndsAt time.Time `json:"endsAt"` + + CreatedAt time.Time `json:"createdAt,omitempty"` + CreatedBy string `json:"createdBy"` + Comment string `json:"comment,omitempty"` +} + +// Validate returns true iff all fields of the silence have valid values. +func (s *Silence) Validate() error { + if len(s.Matchers) == 0 { + return fmt.Errorf("at least one matcher required") + } + for _, m := range s.Matchers { + if err := m.Validate(); err != nil { + return fmt.Errorf("invalid matcher: %s", err) + } + } + if s.StartsAt.IsZero() { + return fmt.Errorf("start time missing") + } + if s.EndsAt.IsZero() { + return fmt.Errorf("end time missing") + } + if s.EndsAt.Before(s.StartsAt) { + return fmt.Errorf("start time must be before end time") + } + if s.CreatedBy == "" { + return fmt.Errorf("creator information missing") + } + if s.Comment == "" { + return fmt.Errorf("comment missing") + } + if s.CreatedAt.IsZero() { + return fmt.Errorf("creation timestamp missing") + } + return nil +} diff --git a/constraint/vendor/github.com/prometheus/common/model/time.go b/constraint/vendor/github.com/prometheus/common/model/time.go new file mode 100644 index 000000000..490a0240c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/time.go @@ -0,0 +1,274 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "fmt" + "math" + "regexp" + "strconv" + "strings" + "time" +) + +const ( + // MinimumTick is the minimum supported time resolution. This has to be + // at least time.Second in order for the code below to work. + minimumTick = time.Millisecond + // second is the Time duration equivalent to one second. + second = int64(time.Second / minimumTick) + // The number of nanoseconds per minimum tick. + nanosPerTick = int64(minimumTick / time.Nanosecond) + + // Earliest is the earliest Time representable. Handy for + // initializing a high watermark. + Earliest = Time(math.MinInt64) + // Latest is the latest Time representable. Handy for initializing + // a low watermark. + Latest = Time(math.MaxInt64) +) + +// Time is the number of milliseconds since the epoch +// (1970-01-01 00:00 UTC) excluding leap seconds. +type Time int64 + +// Interval describes an interval between two timestamps. +type Interval struct { + Start, End Time +} + +// Now returns the current time as a Time. +func Now() Time { + return TimeFromUnixNano(time.Now().UnixNano()) +} + +// TimeFromUnix returns the Time equivalent to the Unix Time t +// provided in seconds. +func TimeFromUnix(t int64) Time { + return Time(t * second) +} + +// TimeFromUnixNano returns the Time equivalent to the Unix Time +// t provided in nanoseconds. +func TimeFromUnixNano(t int64) Time { + return Time(t / nanosPerTick) +} + +// Equal reports whether two Times represent the same instant. +func (t Time) Equal(o Time) bool { + return t == o +} + +// Before reports whether the Time t is before o. +func (t Time) Before(o Time) bool { + return t < o +} + +// After reports whether the Time t is after o. +func (t Time) After(o Time) bool { + return t > o +} + +// Add returns the Time t + d. +func (t Time) Add(d time.Duration) Time { + return t + Time(d/minimumTick) +} + +// Sub returns the Duration t - o. +func (t Time) Sub(o Time) time.Duration { + return time.Duration(t-o) * minimumTick +} + +// Time returns the time.Time representation of t. +func (t Time) Time() time.Time { + return time.Unix(int64(t)/second, (int64(t)%second)*nanosPerTick) +} + +// Unix returns t as a Unix time, the number of seconds elapsed +// since January 1, 1970 UTC. +func (t Time) Unix() int64 { + return int64(t) / second +} + +// UnixNano returns t as a Unix time, the number of nanoseconds elapsed +// since January 1, 1970 UTC. +func (t Time) UnixNano() int64 { + return int64(t) * nanosPerTick +} + +// The number of digits after the dot. +var dotPrecision = int(math.Log10(float64(second))) + +// String returns a string representation of the Time. +func (t Time) String() string { + return strconv.FormatFloat(float64(t)/float64(second), 'f', -1, 64) +} + +// MarshalJSON implements the json.Marshaler interface. +func (t Time) MarshalJSON() ([]byte, error) { + return []byte(t.String()), nil +} + +// UnmarshalJSON implements the json.Unmarshaler interface. +func (t *Time) UnmarshalJSON(b []byte) error { + p := strings.Split(string(b), ".") + switch len(p) { + case 1: + v, err := strconv.ParseInt(string(p[0]), 10, 64) + if err != nil { + return err + } + *t = Time(v * second) + + case 2: + v, err := strconv.ParseInt(string(p[0]), 10, 64) + if err != nil { + return err + } + v *= second + + prec := dotPrecision - len(p[1]) + if prec < 0 { + p[1] = p[1][:dotPrecision] + } else if prec > 0 { + p[1] = p[1] + strings.Repeat("0", prec) + } + + va, err := strconv.ParseInt(p[1], 10, 32) + if err != nil { + return err + } + + // If the value was something like -0.1 the negative is lost in the + // parsing because of the leading zero, this ensures that we capture it. + if len(p[0]) > 0 && p[0][0] == '-' && v+va > 0 { + *t = Time(v+va) * -1 + } else { + *t = Time(v + va) + } + + default: + return fmt.Errorf("invalid time %q", string(b)) + } + return nil +} + +// Duration wraps time.Duration. It is used to parse the custom duration format +// from YAML. +// This type should not propagate beyond the scope of input/output processing. +type Duration time.Duration + +// Set implements pflag/flag.Value +func (d *Duration) Set(s string) error { + var err error + *d, err = ParseDuration(s) + return err +} + +// Type implements pflag.Value +func (d *Duration) Type() string { + return "duration" +} + +var durationRE = regexp.MustCompile("^([0-9]+)(y|w|d|h|m|s|ms)$") + +// ParseDuration parses a string into a time.Duration, assuming that a year +// always has 365d, a week always has 7d, and a day always has 24h. +func ParseDuration(durationStr string) (Duration, error) { + // Allow 0 without a unit. + if durationStr == "0" { + return 0, nil + } + matches := durationRE.FindStringSubmatch(durationStr) + if len(matches) != 3 { + return 0, fmt.Errorf("not a valid duration string: %q", durationStr) + } + var ( + n, _ = strconv.Atoi(matches[1]) + dur = time.Duration(n) * time.Millisecond + ) + switch unit := matches[2]; unit { + case "y": + dur *= 1000 * 60 * 60 * 24 * 365 + case "w": + dur *= 1000 * 60 * 60 * 24 * 7 + case "d": + dur *= 1000 * 60 * 60 * 24 + case "h": + dur *= 1000 * 60 * 60 + case "m": + dur *= 1000 * 60 + case "s": + dur *= 1000 + case "ms": + // Value already correct + default: + return 0, fmt.Errorf("invalid time unit in duration string: %q", unit) + } + return Duration(dur), nil +} + +func (d Duration) String() string { + var ( + ms = int64(time.Duration(d) / time.Millisecond) + unit = "ms" + ) + if ms == 0 { + return "0s" + } + factors := map[string]int64{ + "y": 1000 * 60 * 60 * 24 * 365, + "w": 1000 * 60 * 60 * 24 * 7, + "d": 1000 * 60 * 60 * 24, + "h": 1000 * 60 * 60, + "m": 1000 * 60, + "s": 1000, + "ms": 1, + } + + switch int64(0) { + case ms % factors["y"]: + unit = "y" + case ms % factors["w"]: + unit = "w" + case ms % factors["d"]: + unit = "d" + case ms % factors["h"]: + unit = "h" + case ms % factors["m"]: + unit = "m" + case ms % factors["s"]: + unit = "s" + } + return fmt.Sprintf("%v%v", ms/factors[unit], unit) +} + +// MarshalYAML implements the yaml.Marshaler interface. +func (d Duration) MarshalYAML() (interface{}, error) { + return d.String(), nil +} + +// UnmarshalYAML implements the yaml.Unmarshaler interface. +func (d *Duration) UnmarshalYAML(unmarshal func(interface{}) error) error { + var s string + if err := unmarshal(&s); err != nil { + return err + } + dur, err := ParseDuration(s) + if err != nil { + return err + } + *d = dur + return nil +} diff --git a/constraint/vendor/github.com/prometheus/common/model/value.go b/constraint/vendor/github.com/prometheus/common/model/value.go new file mode 100644 index 000000000..c9d8fb1a2 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/common/model/value.go @@ -0,0 +1,416 @@ +// Copyright 2013 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +import ( + "encoding/json" + "fmt" + "math" + "sort" + "strconv" + "strings" +) + +var ( + // ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a + // non-existing sample pair. It is a SamplePair with timestamp Earliest and + // value 0.0. Note that the natural zero value of SamplePair has a timestamp + // of 0, which is possible to appear in a real SamplePair and thus not + // suitable to signal a non-existing SamplePair. + ZeroSamplePair = SamplePair{Timestamp: Earliest} + + // ZeroSample is the pseudo zero-value of Sample used to signal a + // non-existing sample. It is a Sample with timestamp Earliest, value 0.0, + // and metric nil. Note that the natural zero value of Sample has a timestamp + // of 0, which is possible to appear in a real Sample and thus not suitable + // to signal a non-existing Sample. + ZeroSample = Sample{Timestamp: Earliest} +) + +// A SampleValue is a representation of a value for a given sample at a given +// time. +type SampleValue float64 + +// MarshalJSON implements json.Marshaler. +func (v SampleValue) MarshalJSON() ([]byte, error) { + return json.Marshal(v.String()) +} + +// UnmarshalJSON implements json.Unmarshaler. +func (v *SampleValue) UnmarshalJSON(b []byte) error { + if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { + return fmt.Errorf("sample value must be a quoted string") + } + f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) + if err != nil { + return err + } + *v = SampleValue(f) + return nil +} + +// Equal returns true if the value of v and o is equal or if both are NaN. Note +// that v==o is false if both are NaN. If you want the conventional float +// behavior, use == to compare two SampleValues. +func (v SampleValue) Equal(o SampleValue) bool { + if v == o { + return true + } + return math.IsNaN(float64(v)) && math.IsNaN(float64(o)) +} + +func (v SampleValue) String() string { + return strconv.FormatFloat(float64(v), 'f', -1, 64) +} + +// SamplePair pairs a SampleValue with a Timestamp. +type SamplePair struct { + Timestamp Time + Value SampleValue +} + +// MarshalJSON implements json.Marshaler. +func (s SamplePair) MarshalJSON() ([]byte, error) { + t, err := json.Marshal(s.Timestamp) + if err != nil { + return nil, err + } + v, err := json.Marshal(s.Value) + if err != nil { + return nil, err + } + return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil +} + +// UnmarshalJSON implements json.Unmarshaler. +func (s *SamplePair) UnmarshalJSON(b []byte) error { + v := [...]json.Unmarshaler{&s.Timestamp, &s.Value} + return json.Unmarshal(b, &v) +} + +// Equal returns true if this SamplePair and o have equal Values and equal +// Timestamps. The semantics of Value equality is defined by SampleValue.Equal. +func (s *SamplePair) Equal(o *SamplePair) bool { + return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp)) +} + +func (s SamplePair) String() string { + return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp) +} + +// Sample is a sample pair associated with a metric. +type Sample struct { + Metric Metric `json:"metric"` + Value SampleValue `json:"value"` + Timestamp Time `json:"timestamp"` +} + +// Equal compares first the metrics, then the timestamp, then the value. The +// semantics of value equality is defined by SampleValue.Equal. +func (s *Sample) Equal(o *Sample) bool { + if s == o { + return true + } + + if !s.Metric.Equal(o.Metric) { + return false + } + if !s.Timestamp.Equal(o.Timestamp) { + return false + } + + return s.Value.Equal(o.Value) +} + +func (s Sample) String() string { + return fmt.Sprintf("%s => %s", s.Metric, SamplePair{ + Timestamp: s.Timestamp, + Value: s.Value, + }) +} + +// MarshalJSON implements json.Marshaler. +func (s Sample) MarshalJSON() ([]byte, error) { + v := struct { + Metric Metric `json:"metric"` + Value SamplePair `json:"value"` + }{ + Metric: s.Metric, + Value: SamplePair{ + Timestamp: s.Timestamp, + Value: s.Value, + }, + } + + return json.Marshal(&v) +} + +// UnmarshalJSON implements json.Unmarshaler. +func (s *Sample) UnmarshalJSON(b []byte) error { + v := struct { + Metric Metric `json:"metric"` + Value SamplePair `json:"value"` + }{ + Metric: s.Metric, + Value: SamplePair{ + Timestamp: s.Timestamp, + Value: s.Value, + }, + } + + if err := json.Unmarshal(b, &v); err != nil { + return err + } + + s.Metric = v.Metric + s.Timestamp = v.Value.Timestamp + s.Value = v.Value.Value + + return nil +} + +// Samples is a sortable Sample slice. It implements sort.Interface. +type Samples []*Sample + +func (s Samples) Len() int { + return len(s) +} + +// Less compares first the metrics, then the timestamp. +func (s Samples) Less(i, j int) bool { + switch { + case s[i].Metric.Before(s[j].Metric): + return true + case s[j].Metric.Before(s[i].Metric): + return false + case s[i].Timestamp.Before(s[j].Timestamp): + return true + default: + return false + } +} + +func (s Samples) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +// Equal compares two sets of samples and returns true if they are equal. +func (s Samples) Equal(o Samples) bool { + if len(s) != len(o) { + return false + } + + for i, sample := range s { + if !sample.Equal(o[i]) { + return false + } + } + return true +} + +// SampleStream is a stream of Values belonging to an attached COWMetric. +type SampleStream struct { + Metric Metric `json:"metric"` + Values []SamplePair `json:"values"` +} + +func (ss SampleStream) String() string { + vals := make([]string, len(ss.Values)) + for i, v := range ss.Values { + vals[i] = v.String() + } + return fmt.Sprintf("%s =>\n%s", ss.Metric, strings.Join(vals, "\n")) +} + +// Value is a generic interface for values resulting from a query evaluation. +type Value interface { + Type() ValueType + String() string +} + +func (Matrix) Type() ValueType { return ValMatrix } +func (Vector) Type() ValueType { return ValVector } +func (*Scalar) Type() ValueType { return ValScalar } +func (*String) Type() ValueType { return ValString } + +type ValueType int + +const ( + ValNone ValueType = iota + ValScalar + ValVector + ValMatrix + ValString +) + +// MarshalJSON implements json.Marshaler. +func (et ValueType) MarshalJSON() ([]byte, error) { + return json.Marshal(et.String()) +} + +func (et *ValueType) UnmarshalJSON(b []byte) error { + var s string + if err := json.Unmarshal(b, &s); err != nil { + return err + } + switch s { + case "": + *et = ValNone + case "scalar": + *et = ValScalar + case "vector": + *et = ValVector + case "matrix": + *et = ValMatrix + case "string": + *et = ValString + default: + return fmt.Errorf("unknown value type %q", s) + } + return nil +} + +func (e ValueType) String() string { + switch e { + case ValNone: + return "" + case ValScalar: + return "scalar" + case ValVector: + return "vector" + case ValMatrix: + return "matrix" + case ValString: + return "string" + } + panic("ValueType.String: unhandled value type") +} + +// Scalar is a scalar value evaluated at the set timestamp. +type Scalar struct { + Value SampleValue `json:"value"` + Timestamp Time `json:"timestamp"` +} + +func (s Scalar) String() string { + return fmt.Sprintf("scalar: %v @[%v]", s.Value, s.Timestamp) +} + +// MarshalJSON implements json.Marshaler. +func (s Scalar) MarshalJSON() ([]byte, error) { + v := strconv.FormatFloat(float64(s.Value), 'f', -1, 64) + return json.Marshal([...]interface{}{s.Timestamp, string(v)}) +} + +// UnmarshalJSON implements json.Unmarshaler. +func (s *Scalar) UnmarshalJSON(b []byte) error { + var f string + v := [...]interface{}{&s.Timestamp, &f} + + if err := json.Unmarshal(b, &v); err != nil { + return err + } + + value, err := strconv.ParseFloat(f, 64) + if err != nil { + return fmt.Errorf("error parsing sample value: %s", err) + } + s.Value = SampleValue(value) + return nil +} + +// String is a string value evaluated at the set timestamp. +type String struct { + Value string `json:"value"` + Timestamp Time `json:"timestamp"` +} + +func (s *String) String() string { + return s.Value +} + +// MarshalJSON implements json.Marshaler. +func (s String) MarshalJSON() ([]byte, error) { + return json.Marshal([]interface{}{s.Timestamp, s.Value}) +} + +// UnmarshalJSON implements json.Unmarshaler. +func (s *String) UnmarshalJSON(b []byte) error { + v := [...]interface{}{&s.Timestamp, &s.Value} + return json.Unmarshal(b, &v) +} + +// Vector is basically only an alias for Samples, but the +// contract is that in a Vector, all Samples have the same timestamp. +type Vector []*Sample + +func (vec Vector) String() string { + entries := make([]string, len(vec)) + for i, s := range vec { + entries[i] = s.String() + } + return strings.Join(entries, "\n") +} + +func (vec Vector) Len() int { return len(vec) } +func (vec Vector) Swap(i, j int) { vec[i], vec[j] = vec[j], vec[i] } + +// Less compares first the metrics, then the timestamp. +func (vec Vector) Less(i, j int) bool { + switch { + case vec[i].Metric.Before(vec[j].Metric): + return true + case vec[j].Metric.Before(vec[i].Metric): + return false + case vec[i].Timestamp.Before(vec[j].Timestamp): + return true + default: + return false + } +} + +// Equal compares two sets of samples and returns true if they are equal. +func (vec Vector) Equal(o Vector) bool { + if len(vec) != len(o) { + return false + } + + for i, sample := range vec { + if !sample.Equal(o[i]) { + return false + } + } + return true +} + +// Matrix is a list of time series. +type Matrix []*SampleStream + +func (m Matrix) Len() int { return len(m) } +func (m Matrix) Less(i, j int) bool { return m[i].Metric.Before(m[j].Metric) } +func (m Matrix) Swap(i, j int) { m[i], m[j] = m[j], m[i] } + +func (mat Matrix) String() string { + matCp := make(Matrix, len(mat)) + copy(matCp, mat) + sort.Sort(matCp) + + strs := make([]string, len(matCp)) + + for i, ss := range matCp { + strs[i] = ss.String() + } + + return strings.Join(strs, "\n") +} diff --git a/constraint/vendor/github.com/prometheus/procfs/.gitignore b/constraint/vendor/github.com/prometheus/procfs/.gitignore new file mode 100644 index 000000000..25e3659ab --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/.gitignore @@ -0,0 +1 @@ +/fixtures/ diff --git a/constraint/vendor/github.com/prometheus/procfs/.golangci.yml b/constraint/vendor/github.com/prometheus/procfs/.golangci.yml new file mode 100644 index 000000000..0aa09edac --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/.golangci.yml @@ -0,0 +1,4 @@ +--- +linters: + enable: + - golint diff --git a/constraint/vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md b/constraint/vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md new file mode 100644 index 000000000..9a1aff412 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md @@ -0,0 +1,3 @@ +## Prometheus Community Code of Conduct + +Prometheus follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md). diff --git a/constraint/vendor/github.com/prometheus/procfs/CONTRIBUTING.md b/constraint/vendor/github.com/prometheus/procfs/CONTRIBUTING.md new file mode 100644 index 000000000..943de7615 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/CONTRIBUTING.md @@ -0,0 +1,121 @@ +# Contributing + +Prometheus uses GitHub to manage reviews of pull requests. + +* If you are a new contributor see: [Steps to Contribute](#steps-to-contribute) + +* If you have a trivial fix or improvement, go ahead and create a pull request, + addressing (with `@...`) a suitable maintainer of this repository (see + [MAINTAINERS.md](MAINTAINERS.md)) in the description of the pull request. + +* If you plan to do something more involved, first discuss your ideas + on our [mailing list](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers). + This will avoid unnecessary work and surely give you and us a good deal + of inspiration. Also please see our [non-goals issue](https://github.com/prometheus/docs/issues/149) on areas that the Prometheus community doesn't plan to work on. + +* Relevant coding style guidelines are the [Go Code Review + Comments](https://code.google.com/p/go-wiki/wiki/CodeReviewComments) + and the _Formatting and style_ section of Peter Bourgon's [Go: Best + Practices for Production + Environments](https://peter.bourgon.org/go-in-production/#formatting-and-style). + +* Be sure to sign off on the [DCO](https://github.com/probot/dco#how-it-works) + +## Steps to Contribute + +Should you wish to work on an issue, please claim it first by commenting on the GitHub issue that you want to work on it. This is to prevent duplicated efforts from contributors on the same issue. + +Please check the [`help-wanted`](https://github.com/prometheus/procfs/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22) label to find issues that are good for getting started. If you have questions about one of the issues, with or without the tag, please comment on them and one of the maintainers will clarify it. For a quicker response, contact us over [IRC](https://prometheus.io/community). + +For quickly compiling and testing your changes do: +``` +make test # Make sure all the tests pass before you commit and push :) +``` + +We use [`golangci-lint`](https://github.com/golangci/golangci-lint) for linting the code. If it reports an issue and you think that the warning needs to be disregarded or is a false-positive, you can add a special comment `//nolint:linter1[,linter2,...]` before the offending line. Use this sparingly though, fixing the code to comply with the linter's recommendation is in general the preferred course of action. + +## Pull Request Checklist + +* Branch from the master branch and, if needed, rebase to the current master branch before submitting your pull request. If it doesn't merge cleanly with master you may be asked to rebase your changes. + +* Commits should be as small as possible, while ensuring that each commit is correct independently (i.e., each commit should compile and pass tests). + +* If your patch is not getting reviewed or you need a specific person to review it, you can @-reply a reviewer asking for a review in the pull request or a comment, or you can ask for a review on IRC channel [#prometheus](https://webchat.freenode.net/?channels=#prometheus) on irc.freenode.net (for the easiest start, [join via Riot](https://riot.im/app/#/room/#prometheus:matrix.org)). + +* Add tests relevant to the fixed bug or new feature. + +## Dependency management + +The Prometheus project uses [Go modules](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more) to manage dependencies on external packages. This requires a working Go environment with version 1.12 or greater installed. + +All dependencies are vendored in the `vendor/` directory. + +To add or update a new dependency, use the `go get` command: + +```bash +# Pick the latest tagged release. +go get example.com/some/module/pkg + +# Pick a specific version. +go get example.com/some/module/pkg@vX.Y.Z +``` + +Tidy up the `go.mod` and `go.sum` files and copy the new/updated dependency to the `vendor/` directory: + + +```bash +# The GO111MODULE variable can be omitted when the code isn't located in GOPATH. +GO111MODULE=on go mod tidy + +GO111MODULE=on go mod vendor +``` + +You have to commit the changes to `go.mod`, `go.sum` and the `vendor/` directory before submitting the pull request. + + +## API Implementation Guidelines + +### Naming and Documentation + +Public functions and structs should normally be named according to the file(s) being read and parsed. For example, +the `fs.BuddyInfo()` function reads the file `/proc/buddyinfo`. In addition, the godoc for each public function +should contain the path to the file(s) being read and a URL of the linux kernel documentation describing the file(s). + +### Reading vs. Parsing + +Most functionality in this library consists of reading files and then parsing the text into structured data. In most +cases reading and parsing should be separated into different functions/methods with a public `fs.Thing()` method and +a private `parseThing(r Reader)` function. This provides a logical separation and allows parsing to be tested +directly without the need to read from the filesystem. Using a `Reader` argument is preferred over other data types +such as `string` or `*File` because it provides the most flexibility regarding the data source. When a set of files +in a directory needs to be parsed, then a `path` string parameter to the parse function can be used instead. + +### /proc and /sys filesystem I/O + +The `proc` and `sys` filesystems are pseudo file systems and work a bit differently from standard disk I/O. +Many of the files are changing continuously and the data being read can in some cases change between subsequent +reads in the same file. Also, most of the files are relatively small (less than a few KBs), and system calls +to the `stat` function will often return the wrong size. Therefore, for most files it's recommended to read the +full file in a single operation using an internal utility function called `util.ReadFileNoStat`. +This function is similar to `ioutil.ReadFile`, but it avoids the system call to `stat` to get the current size of +the file. + +Note that parsing the file's contents can still be performed one line at a time. This is done by first reading +the full file, and then using a scanner on the `[]byte` or `string` containing the data. + +``` + data, err := util.ReadFileNoStat("/proc/cpuinfo") + if err != nil { + return err + } + reader := bytes.NewReader(data) + scanner := bufio.NewScanner(reader) +``` + +The `/sys` filesystem contains many very small files which contain only a single numeric or text value. These files +can be read using an internal function called `util.SysReadFile` which is similar to `ioutil.ReadFile` but does +not bother to check the size of the file before reading. +``` + data, err := util.SysReadFile("/sys/class/power_supply/BAT0/capacity") +``` + diff --git a/constraint/vendor/github.com/prometheus/procfs/LICENSE b/constraint/vendor/github.com/prometheus/procfs/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/constraint/vendor/github.com/prometheus/procfs/MAINTAINERS.md b/constraint/vendor/github.com/prometheus/procfs/MAINTAINERS.md new file mode 100644 index 000000000..56ba67d3e --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/MAINTAINERS.md @@ -0,0 +1,2 @@ +* Johannes 'fish' Ziemke @discordianfish +* Paul Gier @pgier diff --git a/constraint/vendor/github.com/prometheus/procfs/Makefile b/constraint/vendor/github.com/prometheus/procfs/Makefile new file mode 100644 index 000000000..616a0d25e --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/Makefile @@ -0,0 +1,29 @@ +# Copyright 2018 The Prometheus Authors +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +include Makefile.common + +%/.unpacked: %.ttar + @echo ">> extracting fixtures" + ./ttar -C $(dir $*) -x -f $*.ttar + touch $@ + +update_fixtures: + rm -vf fixtures/.unpacked + ./ttar -c -f fixtures.ttar fixtures/ + +.PHONY: build +build: + +.PHONY: test +test: fixtures/.unpacked common-test diff --git a/constraint/vendor/github.com/prometheus/procfs/Makefile.common b/constraint/vendor/github.com/prometheus/procfs/Makefile.common new file mode 100644 index 000000000..9320176ca --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/Makefile.common @@ -0,0 +1,300 @@ +# Copyright 2018 The Prometheus Authors +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +# A common Makefile that includes rules to be reused in different prometheus projects. +# !!! Open PRs only against the prometheus/prometheus/Makefile.common repository! + +# Example usage : +# Create the main Makefile in the root project directory. +# include Makefile.common +# customTarget: +# @echo ">> Running customTarget" +# + +# Ensure GOBIN is not set during build so that promu is installed to the correct path +unexport GOBIN + +GO ?= go +GOFMT ?= $(GO)fmt +FIRST_GOPATH := $(firstword $(subst :, ,$(shell $(GO) env GOPATH))) +GOOPTS ?= +GOHOSTOS ?= $(shell $(GO) env GOHOSTOS) +GOHOSTARCH ?= $(shell $(GO) env GOHOSTARCH) + +GO_VERSION ?= $(shell $(GO) version) +GO_VERSION_NUMBER ?= $(word 3, $(GO_VERSION)) +PRE_GO_111 ?= $(shell echo $(GO_VERSION_NUMBER) | grep -E 'go1\.(10|[0-9])\.') + +GOVENDOR := +GO111MODULE := +ifeq (, $(PRE_GO_111)) + ifneq (,$(wildcard go.mod)) + # Enforce Go modules support just in case the directory is inside GOPATH (and for Travis CI). + GO111MODULE := on + + ifneq (,$(wildcard vendor)) + # Always use the local vendor/ directory to satisfy the dependencies. + GOOPTS := $(GOOPTS) -mod=vendor + endif + endif +else + ifneq (,$(wildcard go.mod)) + ifneq (,$(wildcard vendor)) +$(warning This repository requires Go >= 1.11 because of Go modules) +$(warning Some recipes may not work as expected as the current Go runtime is '$(GO_VERSION_NUMBER)') + endif + else + # This repository isn't using Go modules (yet). + GOVENDOR := $(FIRST_GOPATH)/bin/govendor + endif +endif +PROMU := $(FIRST_GOPATH)/bin/promu +pkgs = ./... + +ifeq (arm, $(GOHOSTARCH)) + GOHOSTARM ?= $(shell GOARM= $(GO) env GOARM) + GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH)v$(GOHOSTARM) +else + GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH) +endif + +GOTEST := $(GO) test +GOTEST_DIR := +ifneq ($(CIRCLE_JOB),) +ifneq ($(shell which gotestsum),) + GOTEST_DIR := test-results + GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml -- +endif +endif + +PROMU_VERSION ?= 0.5.0 +PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz + +GOLANGCI_LINT := +GOLANGCI_LINT_OPTS ?= +GOLANGCI_LINT_VERSION ?= v1.18.0 +# golangci-lint only supports linux, darwin and windows platforms on i386/amd64. +# windows isn't included here because of the path separator being different. +ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin)) + ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386)) + GOLANGCI_LINT := $(FIRST_GOPATH)/bin/golangci-lint + endif +endif + +PREFIX ?= $(shell pwd) +BIN_DIR ?= $(shell pwd) +DOCKER_IMAGE_TAG ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD)) +DOCKERFILE_PATH ?= ./Dockerfile +DOCKERBUILD_CONTEXT ?= ./ +DOCKER_REPO ?= prom + +DOCKER_ARCHS ?= amd64 + +BUILD_DOCKER_ARCHS = $(addprefix common-docker-,$(DOCKER_ARCHS)) +PUBLISH_DOCKER_ARCHS = $(addprefix common-docker-publish-,$(DOCKER_ARCHS)) +TAG_DOCKER_ARCHS = $(addprefix common-docker-tag-latest-,$(DOCKER_ARCHS)) + +ifeq ($(GOHOSTARCH),amd64) + ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux freebsd darwin windows)) + # Only supported on amd64 + test-flags := -race + endif +endif + +# This rule is used to forward a target like "build" to "common-build". This +# allows a new "build" target to be defined in a Makefile which includes this +# one and override "common-build" without override warnings. +%: common-% ; + +.PHONY: common-all +common-all: precheck style check_license lint unused build test + +.PHONY: common-style +common-style: + @echo ">> checking code style" + @fmtRes=$$($(GOFMT) -d $$(find . -path ./vendor -prune -o -name '*.go' -print)); \ + if [ -n "$${fmtRes}" ]; then \ + echo "gofmt checking failed!"; echo "$${fmtRes}"; echo; \ + echo "Please ensure you are using $$($(GO) version) for formatting code."; \ + exit 1; \ + fi + +.PHONY: common-check_license +common-check_license: + @echo ">> checking license header" + @licRes=$$(for file in $$(find . -type f -iname '*.go' ! -path './vendor/*') ; do \ + awk 'NR<=3' $$file | grep -Eq "(Copyright|generated|GENERATED)" || echo $$file; \ + done); \ + if [ -n "$${licRes}" ]; then \ + echo "license header checking failed:"; echo "$${licRes}"; \ + exit 1; \ + fi + +.PHONY: common-deps +common-deps: + @echo ">> getting dependencies" +ifdef GO111MODULE + GO111MODULE=$(GO111MODULE) $(GO) mod download +else + $(GO) get $(GOOPTS) -t ./... +endif + +.PHONY: update-go-deps +update-go-deps: + @echo ">> updating Go dependencies" + @for m in $$($(GO) list -mod=readonly -m -f '{{ if and (not .Indirect) (not .Main)}}{{.Path}}{{end}}' all); do \ + $(GO) get $$m; \ + done + GO111MODULE=$(GO111MODULE) $(GO) mod tidy +ifneq (,$(wildcard vendor)) + GO111MODULE=$(GO111MODULE) $(GO) mod vendor +endif + +.PHONY: common-test-short +common-test-short: $(GOTEST_DIR) + @echo ">> running short tests" + GO111MODULE=$(GO111MODULE) $(GOTEST) -short $(GOOPTS) $(pkgs) + +.PHONY: common-test +common-test: $(GOTEST_DIR) + @echo ">> running all tests" + GO111MODULE=$(GO111MODULE) $(GOTEST) $(test-flags) $(GOOPTS) $(pkgs) + +$(GOTEST_DIR): + @mkdir -p $@ + +.PHONY: common-format +common-format: + @echo ">> formatting code" + GO111MODULE=$(GO111MODULE) $(GO) fmt $(pkgs) + +.PHONY: common-vet +common-vet: + @echo ">> vetting code" + GO111MODULE=$(GO111MODULE) $(GO) vet $(GOOPTS) $(pkgs) + +.PHONY: common-lint +common-lint: $(GOLANGCI_LINT) +ifdef GOLANGCI_LINT + @echo ">> running golangci-lint" +ifdef GO111MODULE +# 'go list' needs to be executed before staticcheck to prepopulate the modules cache. +# Otherwise staticcheck might fail randomly for some reason not yet explained. + GO111MODULE=$(GO111MODULE) $(GO) list -e -compiled -test=true -export=false -deps=true -find=false -tags= -- ./... > /dev/null + GO111MODULE=$(GO111MODULE) $(GOLANGCI_LINT) run $(GOLANGCI_LINT_OPTS) $(pkgs) +else + $(GOLANGCI_LINT) run $(pkgs) +endif +endif + +# For backward-compatibility. +.PHONY: common-staticcheck +common-staticcheck: lint + +.PHONY: common-unused +common-unused: $(GOVENDOR) +ifdef GOVENDOR + @echo ">> running check for unused packages" + @$(GOVENDOR) list +unused | grep . && exit 1 || echo 'No unused packages' +else +ifdef GO111MODULE + @echo ">> running check for unused/missing packages in go.mod" + GO111MODULE=$(GO111MODULE) $(GO) mod tidy +ifeq (,$(wildcard vendor)) + @git diff --exit-code -- go.sum go.mod +else + @echo ">> running check for unused packages in vendor/" + GO111MODULE=$(GO111MODULE) $(GO) mod vendor + @git diff --exit-code -- go.sum go.mod vendor/ +endif +endif +endif + +.PHONY: common-build +common-build: promu + @echo ">> building binaries" + GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX) $(PROMU_BINARIES) + +.PHONY: common-tarball +common-tarball: promu + @echo ">> building release tarball" + $(PROMU) tarball --prefix $(PREFIX) $(BIN_DIR) + +.PHONY: common-docker $(BUILD_DOCKER_ARCHS) +common-docker: $(BUILD_DOCKER_ARCHS) +$(BUILD_DOCKER_ARCHS): common-docker-%: + docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" \ + -f $(DOCKERFILE_PATH) \ + --build-arg ARCH="$*" \ + --build-arg OS="linux" \ + $(DOCKERBUILD_CONTEXT) + +.PHONY: common-docker-publish $(PUBLISH_DOCKER_ARCHS) +common-docker-publish: $(PUBLISH_DOCKER_ARCHS) +$(PUBLISH_DOCKER_ARCHS): common-docker-publish-%: + docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" + +.PHONY: common-docker-tag-latest $(TAG_DOCKER_ARCHS) +common-docker-tag-latest: $(TAG_DOCKER_ARCHS) +$(TAG_DOCKER_ARCHS): common-docker-tag-latest-%: + docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest" + +.PHONY: common-docker-manifest +common-docker-manifest: + DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create -a "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" $(foreach ARCH,$(DOCKER_ARCHS),$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$(ARCH):$(DOCKER_IMAGE_TAG)) + DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" + +.PHONY: promu +promu: $(PROMU) + +$(PROMU): + $(eval PROMU_TMP := $(shell mktemp -d)) + curl -s -L $(PROMU_URL) | tar -xvzf - -C $(PROMU_TMP) + mkdir -p $(FIRST_GOPATH)/bin + cp $(PROMU_TMP)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM)/promu $(FIRST_GOPATH)/bin/promu + rm -r $(PROMU_TMP) + +.PHONY: proto +proto: + @echo ">> generating code from proto files" + @./scripts/genproto.sh + +ifdef GOLANGCI_LINT +$(GOLANGCI_LINT): + mkdir -p $(FIRST_GOPATH)/bin + curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/$(GOLANGCI_LINT_VERSION)/install.sh \ + | sed -e '/install -d/d' \ + | sh -s -- -b $(FIRST_GOPATH)/bin $(GOLANGCI_LINT_VERSION) +endif + +ifdef GOVENDOR +.PHONY: $(GOVENDOR) +$(GOVENDOR): + GOOS= GOARCH= $(GO) get -u github.com/kardianos/govendor +endif + +.PHONY: precheck +precheck:: + +define PRECHECK_COMMAND_template = +precheck:: $(1)_precheck + +PRECHECK_COMMAND_$(1) ?= $(1) $$(strip $$(PRECHECK_OPTIONS_$(1))) +.PHONY: $(1)_precheck +$(1)_precheck: + @if ! $$(PRECHECK_COMMAND_$(1)) 1>/dev/null 2>&1; then \ + echo "Execution of '$$(PRECHECK_COMMAND_$(1))' command failed. Is $(1) installed?"; \ + exit 1; \ + fi +endef diff --git a/constraint/vendor/github.com/prometheus/procfs/NOTICE b/constraint/vendor/github.com/prometheus/procfs/NOTICE new file mode 100644 index 000000000..53c5e9aa1 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/NOTICE @@ -0,0 +1,7 @@ +procfs provides functions to retrieve system, kernel and process +metrics from the pseudo-filesystem proc. + +Copyright 2014-2015 The Prometheus Authors + +This product includes software developed at +SoundCloud Ltd. (http://soundcloud.com/). diff --git a/constraint/vendor/github.com/prometheus/procfs/README.md b/constraint/vendor/github.com/prometheus/procfs/README.md new file mode 100644 index 000000000..55d1e3261 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/README.md @@ -0,0 +1,61 @@ +# procfs + +This package provides functions to retrieve system, kernel, and process +metrics from the pseudo-filesystems /proc and /sys. + +*WARNING*: This package is a work in progress. Its API may still break in +backwards-incompatible ways without warnings. Use it at your own risk. + +[![GoDoc](https://godoc.org/github.com/prometheus/procfs?status.png)](https://godoc.org/github.com/prometheus/procfs) +[![Build Status](https://travis-ci.org/prometheus/procfs.svg?branch=master)](https://travis-ci.org/prometheus/procfs) +[![Go Report Card](https://goreportcard.com/badge/github.com/prometheus/procfs)](https://goreportcard.com/report/github.com/prometheus/procfs) + +## Usage + +The procfs library is organized by packages based on whether the gathered data is coming from +/proc, /sys, or both. Each package contains an `FS` type which represents the path to either /proc, +/sys, or both. For example, cpu statistics are gathered from +`/proc/stat` and are available via the root procfs package. First, the proc filesystem mount +point is initialized, and then the stat information is read. + +```go +fs, err := procfs.NewFS("/proc") +stats, err := fs.Stat() +``` + +Some sub-packages such as `blockdevice`, require access to both the proc and sys filesystems. + +```go + fs, err := blockdevice.NewFS("/proc", "/sys") + stats, err := fs.ProcDiskstats() +``` + +## Package Organization + +The packages in this project are organized according to (1) whether the data comes from the `/proc` or +`/sys` filesystem and (2) the type of information being retrieved. For example, most process information +can be gathered from the functions in the root `procfs` package. Information about block devices such as disk drives +is available in the `blockdevices` sub-package. + +## Building and Testing + +The procfs library is intended to be built as part of another application, so there are no distributable binaries. +However, most of the API includes unit tests which can be run with `make test`. + +### Updating Test Fixtures + +The procfs library includes a set of test fixtures which include many example files from +the `/proc` and `/sys` filesystems. These fixtures are included as a [ttar](https://github.com/ideaship/ttar) file +which is extracted automatically during testing. To add/update the test fixtures, first +ensure the `fixtures` directory is up to date by removing the existing directory and then +extracting the ttar file using `make fixtures/.unpacked` or just `make test`. + +```bash +rm -rf fixtures +make test +``` + +Next, make the required changes to the extracted files in the `fixtures` directory. When +the changes are complete, run `make update_fixtures` to create a new `fixtures.ttar` file +based on the updated `fixtures` directory. And finally, verify the changes using +`git diff fixtures.ttar`. diff --git a/constraint/vendor/github.com/prometheus/procfs/arp.go b/constraint/vendor/github.com/prometheus/procfs/arp.go new file mode 100644 index 000000000..916c9182a --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/arp.go @@ -0,0 +1,85 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "fmt" + "io/ioutil" + "net" + "strings" +) + +// ARPEntry contains a single row of the columnar data represented in +// /proc/net/arp. +type ARPEntry struct { + // IP address + IPAddr net.IP + // MAC address + HWAddr net.HardwareAddr + // Name of the device + Device string +} + +// GatherARPEntries retrieves all the ARP entries, parse the relevant columns, +// and then return a slice of ARPEntry's. +func (fs FS) GatherARPEntries() ([]ARPEntry, error) { + data, err := ioutil.ReadFile(fs.proc.Path("net/arp")) + if err != nil { + return nil, fmt.Errorf("error reading arp %s: %s", fs.proc.Path("net/arp"), err) + } + + return parseARPEntries(data) +} + +func parseARPEntries(data []byte) ([]ARPEntry, error) { + lines := strings.Split(string(data), "\n") + entries := make([]ARPEntry, 0) + var err error + const ( + expectedDataWidth = 6 + expectedHeaderWidth = 9 + ) + for _, line := range lines { + columns := strings.Fields(line) + width := len(columns) + + if width == expectedHeaderWidth || width == 0 { + continue + } else if width == expectedDataWidth { + entry, err := parseARPEntry(columns) + if err != nil { + return []ARPEntry{}, fmt.Errorf("failed to parse ARP entry: %s", err) + } + entries = append(entries, entry) + } else { + return []ARPEntry{}, fmt.Errorf("%d columns were detected, but %d were expected", width, expectedDataWidth) + } + + } + + return entries, err +} + +func parseARPEntry(columns []string) (ARPEntry, error) { + ip := net.ParseIP(columns[0]) + mac := net.HardwareAddr(columns[3]) + + entry := ARPEntry{ + IPAddr: ip, + HWAddr: mac, + Device: columns[5], + } + + return entry, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/buddyinfo.go b/constraint/vendor/github.com/prometheus/procfs/buddyinfo.go new file mode 100644 index 000000000..10bd067a0 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/buddyinfo.go @@ -0,0 +1,85 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "fmt" + "io" + "os" + "strconv" + "strings" +) + +// A BuddyInfo is the details parsed from /proc/buddyinfo. +// The data is comprised of an array of free fragments of each size. +// The sizes are 2^n*PAGE_SIZE, where n is the array index. +type BuddyInfo struct { + Node string + Zone string + Sizes []float64 +} + +// BuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem. +func (fs FS) BuddyInfo() ([]BuddyInfo, error) { + file, err := os.Open(fs.proc.Path("buddyinfo")) + if err != nil { + return nil, err + } + defer file.Close() + + return parseBuddyInfo(file) +} + +func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) { + var ( + buddyInfo = []BuddyInfo{} + scanner = bufio.NewScanner(r) + bucketCount = -1 + ) + + for scanner.Scan() { + var err error + line := scanner.Text() + parts := strings.Fields(line) + + if len(parts) < 4 { + return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo") + } + + node := strings.TrimRight(parts[1], ",") + zone := strings.TrimRight(parts[3], ",") + arraySize := len(parts[4:]) + + if bucketCount == -1 { + bucketCount = arraySize + } else { + if bucketCount != arraySize { + return nil, fmt.Errorf("mismatch in number of buddyinfo buckets, previous count %d, new count %d", bucketCount, arraySize) + } + } + + sizes := make([]float64, arraySize) + for i := 0; i < arraySize; i++ { + sizes[i], err = strconv.ParseFloat(parts[i+4], 64) + if err != nil { + return nil, fmt.Errorf("invalid value in buddyinfo: %s", err) + } + } + + buddyInfo = append(buddyInfo, BuddyInfo{node, zone, sizes}) + } + + return buddyInfo, scanner.Err() +} diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo.go new file mode 100644 index 000000000..b9fb589aa --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo.go @@ -0,0 +1,464 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux + +package procfs + +import ( + "bufio" + "bytes" + "errors" + "regexp" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// CPUInfo contains general information about a system CPU found in /proc/cpuinfo +type CPUInfo struct { + Processor uint + VendorID string + CPUFamily string + Model string + ModelName string + Stepping string + Microcode string + CPUMHz float64 + CacheSize string + PhysicalID string + Siblings uint + CoreID string + CPUCores uint + APICID string + InitialAPICID string + FPU string + FPUException string + CPUIDLevel uint + WP string + Flags []string + Bugs []string + BogoMips float64 + CLFlushSize uint + CacheAlignment uint + AddressSizes string + PowerManagement string +} + +var ( + cpuinfoClockRegexp = regexp.MustCompile(`([\d.]+)`) + cpuinfoS390XProcessorRegexp = regexp.MustCompile(`^processor\s+(\d+):.*`) +) + +// CPUInfo returns information about current system CPUs. +// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +func (fs FS) CPUInfo() ([]CPUInfo, error) { + data, err := util.ReadFileNoStat(fs.proc.Path("cpuinfo")) + if err != nil { + return nil, err + } + return parseCPUInfo(data) +} + +func parseCPUInfoX86(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + + // find the first "processor" line + firstLine := firstNonEmptyLine(scanner) + if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + firstcpu := CPUInfo{Processor: uint(v)} + cpuinfo := []CPUInfo{firstcpu} + i := 0 + + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "processor": + cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor + i++ + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].Processor = uint(v) + case "vendor", "vendor_id": + cpuinfo[i].VendorID = field[1] + case "cpu family": + cpuinfo[i].CPUFamily = field[1] + case "model": + cpuinfo[i].Model = field[1] + case "model name": + cpuinfo[i].ModelName = field[1] + case "stepping": + cpuinfo[i].Stepping = field[1] + case "microcode": + cpuinfo[i].Microcode = field[1] + case "cpu MHz": + v, err := strconv.ParseFloat(field[1], 64) + if err != nil { + return nil, err + } + cpuinfo[i].CPUMHz = v + case "cache size": + cpuinfo[i].CacheSize = field[1] + case "physical id": + cpuinfo[i].PhysicalID = field[1] + case "siblings": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].Siblings = uint(v) + case "core id": + cpuinfo[i].CoreID = field[1] + case "cpu cores": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].CPUCores = uint(v) + case "apicid": + cpuinfo[i].APICID = field[1] + case "initial apicid": + cpuinfo[i].InitialAPICID = field[1] + case "fpu": + cpuinfo[i].FPU = field[1] + case "fpu_exception": + cpuinfo[i].FPUException = field[1] + case "cpuid level": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].CPUIDLevel = uint(v) + case "wp": + cpuinfo[i].WP = field[1] + case "flags": + cpuinfo[i].Flags = strings.Fields(field[1]) + case "bugs": + cpuinfo[i].Bugs = strings.Fields(field[1]) + case "bogomips": + v, err := strconv.ParseFloat(field[1], 64) + if err != nil { + return nil, err + } + cpuinfo[i].BogoMips = v + case "clflush size": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].CLFlushSize = uint(v) + case "cache_alignment": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].CacheAlignment = uint(v) + case "address sizes": + cpuinfo[i].AddressSizes = field[1] + case "power management": + cpuinfo[i].PowerManagement = field[1] + } + } + return cpuinfo, nil +} + +func parseCPUInfoARM(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + + firstLine := firstNonEmptyLine(scanner) + match, _ := regexp.MatchString("^[Pp]rocessor", firstLine) + if !match || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + cpuinfo := []CPUInfo{} + featuresLine := "" + commonCPUInfo := CPUInfo{} + i := 0 + if strings.TrimSpace(field[0]) == "Processor" { + commonCPUInfo = CPUInfo{ModelName: field[1]} + i = -1 + } else { + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + firstcpu := CPUInfo{Processor: uint(v)} + cpuinfo = []CPUInfo{firstcpu} + } + + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "processor": + cpuinfo = append(cpuinfo, commonCPUInfo) // start of the next processor + i++ + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].Processor = uint(v) + case "BogoMIPS": + if i == -1 { + cpuinfo = append(cpuinfo, commonCPUInfo) // There is only one processor + i++ + cpuinfo[i].Processor = 0 + } + v, err := strconv.ParseFloat(field[1], 64) + if err != nil { + return nil, err + } + cpuinfo[i].BogoMips = v + case "Features": + featuresLine = line + case "model name": + cpuinfo[i].ModelName = field[1] + } + } + fields := strings.SplitN(featuresLine, ": ", 2) + for i := range cpuinfo { + cpuinfo[i].Flags = strings.Fields(fields[1]) + } + return cpuinfo, nil + +} + +func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + + firstLine := firstNonEmptyLine(scanner) + if !strings.HasPrefix(firstLine, "vendor_id") || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + cpuinfo := []CPUInfo{} + commonCPUInfo := CPUInfo{VendorID: field[1]} + + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "bogomips per cpu": + v, err := strconv.ParseFloat(field[1], 64) + if err != nil { + return nil, err + } + commonCPUInfo.BogoMips = v + case "features": + commonCPUInfo.Flags = strings.Fields(field[1]) + } + if strings.HasPrefix(line, "processor") { + match := cpuinfoS390XProcessorRegexp.FindStringSubmatch(line) + if len(match) < 2 { + return nil, errors.New("Invalid line found in cpuinfo: " + line) + } + cpu := commonCPUInfo + v, err := strconv.ParseUint(match[1], 0, 32) + if err != nil { + return nil, err + } + cpu.Processor = uint(v) + cpuinfo = append(cpuinfo, cpu) + } + if strings.HasPrefix(line, "cpu number") { + break + } + } + + i := 0 + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "cpu number": + i++ + case "cpu MHz dynamic": + clock := cpuinfoClockRegexp.FindString(strings.TrimSpace(field[1])) + v, err := strconv.ParseFloat(clock, 64) + if err != nil { + return nil, err + } + cpuinfo[i].CPUMHz = v + } + } + + return cpuinfo, nil +} + +func parseCPUInfoMips(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + + // find the first "processor" line + firstLine := firstNonEmptyLine(scanner) + if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + cpuinfo := []CPUInfo{} + systemType := field[1] + + i := 0 + + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "processor": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + i = int(v) + cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor + cpuinfo[i].Processor = uint(v) + cpuinfo[i].VendorID = systemType + case "cpu model": + cpuinfo[i].ModelName = field[1] + case "BogoMIPS": + v, err := strconv.ParseFloat(field[1], 64) + if err != nil { + return nil, err + } + cpuinfo[i].BogoMips = v + } + } + return cpuinfo, nil +} + +func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + + firstLine := firstNonEmptyLine(scanner) + if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + firstcpu := CPUInfo{Processor: uint(v)} + cpuinfo := []CPUInfo{firstcpu} + i := 0 + + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "processor": + cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor + i++ + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + cpuinfo[i].Processor = uint(v) + case "cpu": + cpuinfo[i].VendorID = field[1] + case "clock": + clock := cpuinfoClockRegexp.FindString(strings.TrimSpace(field[1])) + v, err := strconv.ParseFloat(clock, 64) + if err != nil { + return nil, err + } + cpuinfo[i].CPUMHz = v + } + } + return cpuinfo, nil +} + +func parseCPUInfoRISCV(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + + firstLine := firstNonEmptyLine(scanner) + if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + firstcpu := CPUInfo{Processor: uint(v)} + cpuinfo := []CPUInfo{firstcpu} + i := 0 + + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "processor": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + i = int(v) + cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor + cpuinfo[i].Processor = uint(v) + case "hart": + cpuinfo[i].CoreID = field[1] + case "isa": + cpuinfo[i].ModelName = field[1] + } + } + return cpuinfo, nil +} + +func parseCPUInfoDummy(_ []byte) ([]CPUInfo, error) { // nolint:unused,deadcode + return nil, errors.New("not implemented") +} + +// firstNonEmptyLine advances the scanner to the first non-empty line +// and returns the contents of that line +func firstNonEmptyLine(scanner *bufio.Scanner) string { + for scanner.Scan() { + line := scanner.Text() + if strings.TrimSpace(line) != "" { + return line + } + } + return "" +} diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo_armx.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_armx.go new file mode 100644 index 000000000..44b590ed3 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_armx.go @@ -0,0 +1,19 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux +// +build arm arm64 + +package procfs + +var parseCPUInfo = parseCPUInfoARM diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go new file mode 100644 index 000000000..91e272573 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go @@ -0,0 +1,19 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux +// +build mips mipsle mips64 mips64le + +package procfs + +var parseCPUInfo = parseCPUInfoMips diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo_others.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_others.go new file mode 100644 index 000000000..95b5b4ec4 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_others.go @@ -0,0 +1,19 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux +// +build !386,!amd64,!arm,!arm64,!mips,!mips64,!mips64le,!mipsle,!ppc64,!ppc64le,!riscv64,!s390x + +package procfs + +var parseCPUInfo = parseCPUInfoDummy diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go new file mode 100644 index 000000000..6068bd571 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go @@ -0,0 +1,19 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux +// +build ppc64 ppc64le + +package procfs + +var parseCPUInfo = parseCPUInfoPPC diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo_s390x.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_s390x.go new file mode 100644 index 000000000..26814eeba --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_s390x.go @@ -0,0 +1,18 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux + +package procfs + +var parseCPUInfo = parseCPUInfoS390X diff --git a/constraint/vendor/github.com/prometheus/procfs/cpuinfo_x86.go b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_x86.go new file mode 100644 index 000000000..d5bedf97f --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/cpuinfo_x86.go @@ -0,0 +1,19 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux +// +build 386 amd64 + +package procfs + +var parseCPUInfo = parseCPUInfoX86 diff --git a/constraint/vendor/github.com/prometheus/procfs/crypto.go b/constraint/vendor/github.com/prometheus/procfs/crypto.go new file mode 100644 index 000000000..a95893375 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/crypto.go @@ -0,0 +1,153 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Crypto holds info parsed from /proc/crypto. +type Crypto struct { + Alignmask *uint64 + Async bool + Blocksize *uint64 + Chunksize *uint64 + Ctxsize *uint64 + Digestsize *uint64 + Driver string + Geniv string + Internal string + Ivsize *uint64 + Maxauthsize *uint64 + MaxKeysize *uint64 + MinKeysize *uint64 + Module string + Name string + Priority *int64 + Refcnt *int64 + Seedsize *uint64 + Selftest string + Type string + Walksize *uint64 +} + +// Crypto parses an crypto-file (/proc/crypto) and returns a slice of +// structs containing the relevant info. More information available here: +// https://kernel.readthedocs.io/en/sphinx-samples/crypto-API.html +func (fs FS) Crypto() ([]Crypto, error) { + path := fs.proc.Path("crypto") + b, err := util.ReadFileNoStat(path) + if err != nil { + return nil, fmt.Errorf("error reading crypto %s: %s", path, err) + } + + crypto, err := parseCrypto(bytes.NewReader(b)) + if err != nil { + return nil, fmt.Errorf("error parsing crypto %s: %s", path, err) + } + + return crypto, nil +} + +// parseCrypto parses a /proc/crypto stream into Crypto elements. +func parseCrypto(r io.Reader) ([]Crypto, error) { + var out []Crypto + + s := bufio.NewScanner(r) + for s.Scan() { + text := s.Text() + switch { + case strings.HasPrefix(text, "name"): + // Each crypto element begins with its name. + out = append(out, Crypto{}) + case text == "": + continue + } + + kv := strings.Split(text, ":") + if len(kv) != 2 { + return nil, fmt.Errorf("malformed crypto line: %q", text) + } + + k := strings.TrimSpace(kv[0]) + v := strings.TrimSpace(kv[1]) + + // Parse the key/value pair into the currently focused element. + c := &out[len(out)-1] + if err := c.parseKV(k, v); err != nil { + return nil, err + } + } + + if err := s.Err(); err != nil { + return nil, err + } + + return out, nil +} + +// parseKV parses a key/value pair into the appropriate field of c. +func (c *Crypto) parseKV(k, v string) error { + vp := util.NewValueParser(v) + + switch k { + case "async": + // Interpret literal yes as true. + c.Async = v == "yes" + case "blocksize": + c.Blocksize = vp.PUInt64() + case "chunksize": + c.Chunksize = vp.PUInt64() + case "digestsize": + c.Digestsize = vp.PUInt64() + case "driver": + c.Driver = v + case "geniv": + c.Geniv = v + case "internal": + c.Internal = v + case "ivsize": + c.Ivsize = vp.PUInt64() + case "maxauthsize": + c.Maxauthsize = vp.PUInt64() + case "max keysize": + c.MaxKeysize = vp.PUInt64() + case "min keysize": + c.MinKeysize = vp.PUInt64() + case "module": + c.Module = v + case "name": + c.Name = v + case "priority": + c.Priority = vp.PInt64() + case "refcnt": + c.Refcnt = vp.PInt64() + case "seedsize": + c.Seedsize = vp.PUInt64() + case "selftest": + c.Selftest = v + case "type": + c.Type = v + case "walksize": + c.Walksize = vp.PUInt64() + } + + return vp.Err() +} diff --git a/constraint/vendor/github.com/prometheus/procfs/doc.go b/constraint/vendor/github.com/prometheus/procfs/doc.go new file mode 100644 index 000000000..e2acd6d40 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/doc.go @@ -0,0 +1,45 @@ +// Copyright 2014 Prometheus Team +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package procfs provides functions to retrieve system, kernel and process +// metrics from the pseudo-filesystem proc. +// +// Example: +// +// package main +// +// import ( +// "fmt" +// "log" +// +// "github.com/prometheus/procfs" +// ) +// +// func main() { +// p, err := procfs.Self() +// if err != nil { +// log.Fatalf("could not get process: %s", err) +// } +// +// stat, err := p.NewStat() +// if err != nil { +// log.Fatalf("could not get process stat: %s", err) +// } +// +// fmt.Printf("command: %s\n", stat.Comm) +// fmt.Printf("cpu time: %fs\n", stat.CPUTime()) +// fmt.Printf("vsize: %dB\n", stat.VirtualMemory()) +// fmt.Printf("rss: %dB\n", stat.ResidentMemory()) +// } +// +package procfs diff --git a/constraint/vendor/github.com/prometheus/procfs/fixtures.ttar b/constraint/vendor/github.com/prometheus/procfs/fixtures.ttar new file 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It will error +// if the mount point directory can't be read or is a file. +func NewFS(mountPoint string) (FS, error) { + fs, err := fs.NewFS(mountPoint) + if err != nil { + return FS{}, err + } + return FS{fs}, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/fscache.go b/constraint/vendor/github.com/prometheus/procfs/fscache.go new file mode 100644 index 000000000..8783cf3cc --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/fscache.go @@ -0,0 +1,422 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Fscacheinfo represents fscache statistics. +type Fscacheinfo struct { + // Number of index cookies allocated + IndexCookiesAllocated uint64 + // data storage cookies allocated + DataStorageCookiesAllocated uint64 + // Number of special cookies allocated + SpecialCookiesAllocated uint64 + // Number of objects allocated + ObjectsAllocated uint64 + // Number of object allocation failures + ObjectAllocationsFailure uint64 + // Number of objects that reached the available state + ObjectsAvailable uint64 + // Number of objects that reached the dead state + ObjectsDead uint64 + // Number of objects that didn't have a coherency check + ObjectsWithoutCoherencyCheck uint64 + // Number of objects that passed a coherency check + ObjectsWithCoherencyCheck uint64 + // Number of objects that needed a coherency data update + ObjectsNeedCoherencyCheckUpdate uint64 + // Number of objects that were declared obsolete + ObjectsDeclaredObsolete uint64 + // Number of pages marked as being cached + PagesMarkedAsBeingCached uint64 + // Number of uncache page requests seen + UncachePagesRequestSeen uint64 + // Number of acquire cookie requests seen + AcquireCookiesRequestSeen uint64 + // Number of acq reqs given a NULL parent + AcquireRequestsWithNullParent uint64 + // Number of acq reqs rejected due to no cache available + AcquireRequestsRejectedNoCacheAvailable uint64 + // Number of acq reqs succeeded + AcquireRequestsSucceeded uint64 + // Number of acq reqs rejected due to error + AcquireRequestsRejectedDueToError uint64 + // Number of acq reqs failed on ENOMEM + AcquireRequestsFailedDueToEnomem uint64 + // Number of lookup calls made on cache backends + LookupsNumber uint64 + // Number of negative lookups made + LookupsNegative uint64 + // Number of positive lookups made + LookupsPositive uint64 + // Number of objects created by lookup + ObjectsCreatedByLookup uint64 + // Number of lookups timed out and requeued + LookupsTimedOutAndRequed uint64 + InvalidationsNumber uint64 + InvalidationsRunning uint64 + // Number of update cookie requests seen + UpdateCookieRequestSeen uint64 + // Number of upd reqs given a NULL parent + UpdateRequestsWithNullParent uint64 + // Number of upd reqs granted CPU time + UpdateRequestsRunning uint64 + // Number of relinquish cookie requests seen + RelinquishCookiesRequestSeen uint64 + // Number of rlq reqs given a NULL parent + RelinquishCookiesWithNullParent uint64 + // Number of rlq reqs waited on completion of creation + RelinquishRequestsWaitingCompleteCreation uint64 + // Relinqs rtr + RelinquishRetries uint64 + // Number of attribute changed requests seen + AttributeChangedRequestsSeen uint64 + // Number of attr changed requests queued + AttributeChangedRequestsQueued uint64 + // Number of attr changed rejected -ENOBUFS + AttributeChangedRejectDueToEnobufs uint64 + // Number of attr changed failed -ENOMEM + AttributeChangedFailedDueToEnomem uint64 + // Number of attr changed ops given CPU time + AttributeChangedOps uint64 + // Number of allocation requests seen + AllocationRequestsSeen uint64 + // Number of successful alloc reqs + AllocationOkRequests uint64 + // Number of alloc reqs that waited on lookup completion + AllocationWaitingOnLookup uint64 + // Number of alloc reqs rejected -ENOBUFS + AllocationsRejectedDueToEnobufs uint64 + // Number of alloc reqs aborted -ERESTARTSYS + AllocationsAbortedDueToErestartsys uint64 + // Number of alloc reqs submitted + AllocationOperationsSubmitted uint64 + // Number of alloc reqs waited for CPU time + AllocationsWaitedForCPU uint64 + // Number of alloc reqs aborted due to object death + AllocationsAbortedDueToObjectDeath uint64 + // Number of retrieval (read) requests seen + RetrievalsReadRequests uint64 + // Number of successful retr reqs + RetrievalsOk uint64 + // Number of retr reqs that waited on lookup completion + RetrievalsWaitingLookupCompletion uint64 + // Number of retr reqs returned -ENODATA + RetrievalsReturnedEnodata uint64 + // Number of retr reqs rejected -ENOBUFS + RetrievalsRejectedDueToEnobufs uint64 + // Number of retr reqs aborted -ERESTARTSYS + RetrievalsAbortedDueToErestartsys uint64 + // Number of retr reqs failed -ENOMEM + RetrievalsFailedDueToEnomem uint64 + // Number of retr reqs submitted + RetrievalsRequests uint64 + // Number of retr reqs waited for CPU time + RetrievalsWaitingCPU uint64 + // Number of retr reqs aborted due to object death + RetrievalsAbortedDueToObjectDeath uint64 + // Number of storage (write) requests seen + StoreWriteRequests uint64 + // Number of successful store reqs + StoreSuccessfulRequests uint64 + // Number of store reqs on a page already pending storage + StoreRequestsOnPendingStorage uint64 + // Number of store reqs rejected -ENOBUFS + StoreRequestsRejectedDueToEnobufs uint64 + // Number of store reqs failed -ENOMEM + StoreRequestsFailedDueToEnomem uint64 + // Number of store reqs submitted + StoreRequestsSubmitted uint64 + // Number of store reqs granted CPU time + StoreRequestsRunning uint64 + // Number of pages given store req processing time + StorePagesWithRequestsProcessing uint64 + // Number of store reqs deleted from tracking tree + StoreRequestsDeleted uint64 + // Number of store reqs over store limit + StoreRequestsOverStoreLimit uint64 + // Number of release reqs against pages with no pending store + ReleaseRequestsAgainstPagesWithNoPendingStorage uint64 + // Number of release reqs against pages stored by time lock granted + ReleaseRequestsAgainstPagesStoredByTimeLockGranted uint64 + // Number of release reqs ignored due to in-progress store + ReleaseRequestsIgnoredDueToInProgressStore uint64 + // Number of page stores cancelled due to release req + PageStoresCancelledByReleaseRequests uint64 + VmscanWaiting uint64 + // Number of times async ops added to pending queues + OpsPending uint64 + // Number of times async ops given CPU time + OpsRunning uint64 + // Number of times async ops queued for processing + OpsEnqueued uint64 + // Number of async ops cancelled + OpsCancelled uint64 + // Number of async ops rejected due to object lookup/create failure + OpsRejected uint64 + // Number of async ops initialised + OpsInitialised uint64 + // Number of async ops queued for deferred release + OpsDeferred uint64 + // Number of async ops released (should equal ini=N when idle) + OpsReleased uint64 + // Number of deferred-release async ops garbage collected + OpsGarbageCollected uint64 + // Number of in-progress alloc_object() cache ops + CacheopAllocationsinProgress uint64 + // Number of in-progress lookup_object() cache ops + CacheopLookupObjectInProgress uint64 + // Number of in-progress lookup_complete() cache ops + CacheopLookupCompleteInPorgress uint64 + // Number of in-progress grab_object() cache ops + CacheopGrabObjectInProgress uint64 + CacheopInvalidations uint64 + // Number of in-progress update_object() cache ops + CacheopUpdateObjectInProgress uint64 + // Number of in-progress drop_object() cache ops + CacheopDropObjectInProgress uint64 + // Number of in-progress put_object() cache ops + CacheopPutObjectInProgress uint64 + // Number of in-progress attr_changed() cache ops + CacheopAttributeChangeInProgress uint64 + // Number of in-progress sync_cache() cache ops + CacheopSyncCacheInProgress uint64 + // Number of in-progress read_or_alloc_page() cache ops + CacheopReadOrAllocPageInProgress uint64 + // Number of in-progress read_or_alloc_pages() cache ops + CacheopReadOrAllocPagesInProgress uint64 + // Number of in-progress allocate_page() cache ops + CacheopAllocatePageInProgress uint64 + // Number of in-progress allocate_pages() cache ops + CacheopAllocatePagesInProgress uint64 + // Number of in-progress write_page() cache ops + CacheopWritePagesInProgress uint64 + // Number of in-progress uncache_page() cache ops + CacheopUncachePagesInProgress uint64 + // Number of in-progress dissociate_pages() cache ops + CacheopDissociatePagesInProgress uint64 + // Number of object lookups/creations rejected due to lack of space + CacheevLookupsAndCreationsRejectedLackSpace uint64 + // Number of stale objects deleted + CacheevStaleObjectsDeleted uint64 + // Number of objects retired when relinquished + CacheevRetiredWhenReliquished uint64 + // Number of objects culled + CacheevObjectsCulled uint64 +} + +// Fscacheinfo returns information about current fscache statistics. +// See https://www.kernel.org/doc/Documentation/filesystems/caching/fscache.txt +func (fs FS) Fscacheinfo() (Fscacheinfo, error) { + b, err := util.ReadFileNoStat(fs.proc.Path("fs/fscache/stats")) + if err != nil { + return Fscacheinfo{}, err + } + + m, err := parseFscacheinfo(bytes.NewReader(b)) + if err != nil { + return Fscacheinfo{}, fmt.Errorf("failed to parse Fscacheinfo: %v", err) + } + + return *m, nil +} + +func setFSCacheFields(fields []string, setFields ...*uint64) error { + var err error + if len(fields) < len(setFields) { + return fmt.Errorf("Insufficient number of fields, expected %v, got %v", len(setFields), len(fields)) + } + + for i := range setFields { + *setFields[i], err = strconv.ParseUint(strings.Split(fields[i], "=")[1], 0, 64) + if err != nil { + return err + } + } + return nil +} + +func parseFscacheinfo(r io.Reader) (*Fscacheinfo, error) { + var m Fscacheinfo + s := bufio.NewScanner(r) + for s.Scan() { + fields := strings.Fields(s.Text()) + if len(fields) < 2 { + return nil, fmt.Errorf("malformed Fscacheinfo line: %q", s.Text()) + } + + switch fields[0] { + case "Cookies:": + err := setFSCacheFields(fields[1:], &m.IndexCookiesAllocated, &m.DataStorageCookiesAllocated, + &m.SpecialCookiesAllocated) + if err != nil { + return &m, err + } + case "Objects:": + err := setFSCacheFields(fields[1:], &m.ObjectsAllocated, &m.ObjectAllocationsFailure, + &m.ObjectsAvailable, &m.ObjectsDead) + if err != nil { + return &m, err + } + case "ChkAux": + err := setFSCacheFields(fields[2:], &m.ObjectsWithoutCoherencyCheck, &m.ObjectsWithCoherencyCheck, + &m.ObjectsNeedCoherencyCheckUpdate, &m.ObjectsDeclaredObsolete) + if err != nil { + return &m, err + } + case "Pages": + err := setFSCacheFields(fields[2:], &m.PagesMarkedAsBeingCached, &m.UncachePagesRequestSeen) + if err != nil { + return &m, err + } + case "Acquire:": + err := setFSCacheFields(fields[1:], &m.AcquireCookiesRequestSeen, &m.AcquireRequestsWithNullParent, + &m.AcquireRequestsRejectedNoCacheAvailable, &m.AcquireRequestsSucceeded, &m.AcquireRequestsRejectedDueToError, + &m.AcquireRequestsFailedDueToEnomem) + if err != nil { + return &m, err + } + case "Lookups:": + err := setFSCacheFields(fields[1:], &m.LookupsNumber, &m.LookupsNegative, &m.LookupsPositive, + &m.ObjectsCreatedByLookup, &m.LookupsTimedOutAndRequed) + if err != nil { + return &m, err + } + case "Invals": + err := setFSCacheFields(fields[2:], &m.InvalidationsNumber, &m.InvalidationsRunning) + if err != nil { + return &m, err + } + case "Updates:": + err := setFSCacheFields(fields[1:], &m.UpdateCookieRequestSeen, &m.UpdateRequestsWithNullParent, + &m.UpdateRequestsRunning) + if err != nil { + return &m, err + } + case "Relinqs:": + err := setFSCacheFields(fields[1:], &m.RelinquishCookiesRequestSeen, &m.RelinquishCookiesWithNullParent, + &m.RelinquishRequestsWaitingCompleteCreation, &m.RelinquishRetries) + if err != nil { + return &m, err + } + case "AttrChg:": + err := setFSCacheFields(fields[1:], &m.AttributeChangedRequestsSeen, &m.AttributeChangedRequestsQueued, + &m.AttributeChangedRejectDueToEnobufs, &m.AttributeChangedFailedDueToEnomem, &m.AttributeChangedOps) + if err != nil { + return &m, err + } + case "Allocs": + if strings.Split(fields[2], "=")[0] == "n" { + err := setFSCacheFields(fields[2:], &m.AllocationRequestsSeen, &m.AllocationOkRequests, + &m.AllocationWaitingOnLookup, &m.AllocationsRejectedDueToEnobufs, &m.AllocationsAbortedDueToErestartsys) + if err != nil { + return &m, err + } + } else { + err := setFSCacheFields(fields[2:], &m.AllocationOperationsSubmitted, &m.AllocationsWaitedForCPU, + &m.AllocationsAbortedDueToObjectDeath) + if err != nil { + return &m, err + } + } + case "Retrvls:": + if strings.Split(fields[1], "=")[0] == "n" { + err := setFSCacheFields(fields[1:], &m.RetrievalsReadRequests, &m.RetrievalsOk, &m.RetrievalsWaitingLookupCompletion, + &m.RetrievalsReturnedEnodata, &m.RetrievalsRejectedDueToEnobufs, &m.RetrievalsAbortedDueToErestartsys, + &m.RetrievalsFailedDueToEnomem) + if err != nil { + return &m, err + } + } else { + err := setFSCacheFields(fields[1:], &m.RetrievalsRequests, &m.RetrievalsWaitingCPU, &m.RetrievalsAbortedDueToObjectDeath) + if err != nil { + return &m, err + } + } + case "Stores": + if strings.Split(fields[2], "=")[0] == "n" { + err := setFSCacheFields(fields[2:], &m.StoreWriteRequests, &m.StoreSuccessfulRequests, + &m.StoreRequestsOnPendingStorage, &m.StoreRequestsRejectedDueToEnobufs, &m.StoreRequestsFailedDueToEnomem) + if err != nil { + return &m, err + } + } else { + err := setFSCacheFields(fields[2:], &m.StoreRequestsSubmitted, &m.StoreRequestsRunning, + &m.StorePagesWithRequestsProcessing, &m.StoreRequestsDeleted, &m.StoreRequestsOverStoreLimit) + if err != nil { + return &m, err + } + } + case "VmScan": + err := setFSCacheFields(fields[2:], &m.ReleaseRequestsAgainstPagesWithNoPendingStorage, + &m.ReleaseRequestsAgainstPagesStoredByTimeLockGranted, &m.ReleaseRequestsIgnoredDueToInProgressStore, + &m.PageStoresCancelledByReleaseRequests, &m.VmscanWaiting) + if err != nil { + return &m, err + } + case "Ops": + if strings.Split(fields[2], "=")[0] == "pend" { + err := setFSCacheFields(fields[2:], &m.OpsPending, &m.OpsRunning, &m.OpsEnqueued, &m.OpsCancelled, &m.OpsRejected) + if err != nil { + return &m, err + } + } else { + err := setFSCacheFields(fields[2:], &m.OpsInitialised, &m.OpsDeferred, &m.OpsReleased, &m.OpsGarbageCollected) + if err != nil { + return &m, err + } + } + case "CacheOp:": + if strings.Split(fields[1], "=")[0] == "alo" { + err := setFSCacheFields(fields[1:], &m.CacheopAllocationsinProgress, &m.CacheopLookupObjectInProgress, + &m.CacheopLookupCompleteInPorgress, &m.CacheopGrabObjectInProgress) + if err != nil { + return &m, err + } + } else if strings.Split(fields[1], "=")[0] == "inv" { + err := setFSCacheFields(fields[1:], &m.CacheopInvalidations, &m.CacheopUpdateObjectInProgress, + &m.CacheopDropObjectInProgress, &m.CacheopPutObjectInProgress, &m.CacheopAttributeChangeInProgress, + &m.CacheopSyncCacheInProgress) + if err != nil { + return &m, err + } + } else { + err := setFSCacheFields(fields[1:], &m.CacheopReadOrAllocPageInProgress, &m.CacheopReadOrAllocPagesInProgress, + &m.CacheopAllocatePageInProgress, &m.CacheopAllocatePagesInProgress, &m.CacheopWritePagesInProgress, + &m.CacheopUncachePagesInProgress, &m.CacheopDissociatePagesInProgress) + if err != nil { + return &m, err + } + } + case "CacheEv:": + err := setFSCacheFields(fields[1:], &m.CacheevLookupsAndCreationsRejectedLackSpace, &m.CacheevStaleObjectsDeleted, + &m.CacheevRetiredWhenReliquished, &m.CacheevObjectsCulled) + if err != nil { + return &m, err + } + } + } + + return &m, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/go.mod b/constraint/vendor/github.com/prometheus/procfs/go.mod new file mode 100644 index 000000000..ded48253c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/go.mod @@ -0,0 +1,9 @@ +module github.com/prometheus/procfs + +go 1.12 + +require ( + github.com/google/go-cmp v0.3.1 + golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e + golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e +) diff --git a/constraint/vendor/github.com/prometheus/procfs/go.sum b/constraint/vendor/github.com/prometheus/procfs/go.sum new file mode 100644 index 000000000..54b5f3303 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/go.sum @@ -0,0 +1,6 @@ +github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY= +golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e h1:LwyF2AFISC9nVbS6MgzsaQNSUsRXI49GS+YQ5KX/QH0= +golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= diff --git a/constraint/vendor/github.com/prometheus/procfs/internal/fs/fs.go b/constraint/vendor/github.com/prometheus/procfs/internal/fs/fs.go new file mode 100644 index 000000000..565e89e42 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/internal/fs/fs.go @@ -0,0 +1,55 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fs + +import ( + "fmt" + "os" + "path/filepath" +) + +const ( + // DefaultProcMountPoint is the common mount point of the proc filesystem. + DefaultProcMountPoint = "/proc" + + // DefaultSysMountPoint is the common mount point of the sys filesystem. + DefaultSysMountPoint = "/sys" + + // DefaultConfigfsMountPoint is the common mount point of the configfs + DefaultConfigfsMountPoint = "/sys/kernel/config" +) + +// FS represents a pseudo-filesystem, normally /proc or /sys, which provides an +// interface to kernel data structures. +type FS string + +// NewFS returns a new FS mounted under the given mountPoint. It will error +// if the mount point can't be read. +func NewFS(mountPoint string) (FS, error) { + info, err := os.Stat(mountPoint) + if err != nil { + return "", fmt.Errorf("could not read %s: %s", mountPoint, err) + } + if !info.IsDir() { + return "", fmt.Errorf("mount point %s is not a directory", mountPoint) + } + + return FS(mountPoint), nil +} + +// Path appends the given path elements to the filesystem path, adding separators +// as necessary. +func (fs FS) Path(p ...string) string { + return filepath.Join(append([]string{string(fs)}, p...)...) +} diff --git a/constraint/vendor/github.com/prometheus/procfs/internal/util/parse.go b/constraint/vendor/github.com/prometheus/procfs/internal/util/parse.go new file mode 100644 index 000000000..22cb07a6b --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/internal/util/parse.go @@ -0,0 +1,97 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package util + +import ( + "io/ioutil" + "strconv" + "strings" +) + +// ParseUint32s parses a slice of strings into a slice of uint32s. +func ParseUint32s(ss []string) ([]uint32, error) { + us := make([]uint32, 0, len(ss)) + for _, s := range ss { + u, err := strconv.ParseUint(s, 10, 32) + if err != nil { + return nil, err + } + + us = append(us, uint32(u)) + } + + return us, nil +} + +// ParseUint64s parses a slice of strings into a slice of uint64s. +func ParseUint64s(ss []string) ([]uint64, error) { + us := make([]uint64, 0, len(ss)) + for _, s := range ss { + u, err := strconv.ParseUint(s, 10, 64) + if err != nil { + return nil, err + } + + us = append(us, u) + } + + return us, nil +} + +// ParsePInt64s parses a slice of strings into a slice of int64 pointers. +func ParsePInt64s(ss []string) ([]*int64, error) { + us := make([]*int64, 0, len(ss)) + for _, s := range ss { + u, err := strconv.ParseInt(s, 10, 64) + if err != nil { + return nil, err + } + + us = append(us, &u) + } + + return us, nil +} + +// ReadUintFromFile reads a file and attempts to parse a uint64 from it. +func ReadUintFromFile(path string) (uint64, error) { + data, err := ioutil.ReadFile(path) + if err != nil { + return 0, err + } + return strconv.ParseUint(strings.TrimSpace(string(data)), 10, 64) +} + +// ReadIntFromFile reads a file and attempts to parse a int64 from it. +func ReadIntFromFile(path string) (int64, error) { + data, err := ioutil.ReadFile(path) + if err != nil { + return 0, err + } + return strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64) +} + +// ParseBool parses a string into a boolean pointer. +func ParseBool(b string) *bool { + var truth bool + switch b { + case "enabled": + truth = true + case "disabled": + truth = false + default: + return nil + } + return &truth +} diff --git a/constraint/vendor/github.com/prometheus/procfs/internal/util/readfile.go b/constraint/vendor/github.com/prometheus/procfs/internal/util/readfile.go new file mode 100644 index 000000000..8051161b2 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/internal/util/readfile.go @@ -0,0 +1,38 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package util + +import ( + "io" + "io/ioutil" + "os" +) + +// ReadFileNoStat uses ioutil.ReadAll to read contents of entire file. +// This is similar to ioutil.ReadFile but without the call to os.Stat, because +// many files in /proc and /sys report incorrect file sizes (either 0 or 4096). +// Reads a max file size of 512kB. For files larger than this, a scanner +// should be used. +func ReadFileNoStat(filename string) ([]byte, error) { + const maxBufferSize = 1024 * 512 + + f, err := os.Open(filename) + if err != nil { + return nil, err + } + defer f.Close() + + reader := io.LimitReader(f, maxBufferSize) + return ioutil.ReadAll(reader) +} diff --git a/constraint/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go b/constraint/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go new file mode 100644 index 000000000..c07de0b6c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go @@ -0,0 +1,48 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux,!appengine + +package util + +import ( + "bytes" + "os" + "syscall" +) + +// SysReadFile is a simplified ioutil.ReadFile that invokes syscall.Read directly. +// https://github.com/prometheus/node_exporter/pull/728/files +// +// Note that this function will not read files larger than 128 bytes. +func SysReadFile(file string) (string, error) { + f, err := os.Open(file) + if err != nil { + return "", err + } + defer f.Close() + + // On some machines, hwmon drivers are broken and return EAGAIN. This causes + // Go's ioutil.ReadFile implementation to poll forever. + // + // Since we either want to read data or bail immediately, do the simplest + // possible read using syscall directly. + const sysFileBufferSize = 128 + b := make([]byte, sysFileBufferSize) + n, err := syscall.Read(int(f.Fd()), b) + if err != nil { + return "", err + } + + return string(bytes.TrimSpace(b[:n])), nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go b/constraint/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go new file mode 100644 index 000000000..bd55b4537 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go @@ -0,0 +1,26 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux,appengine !linux + +package util + +import ( + "fmt" +) + +// SysReadFile is here implemented as a noop for builds that do not support +// the read syscall. For example Windows, or Linux on Google App Engine. +func SysReadFile(file string) (string, error) { + return "", fmt.Errorf("not supported on this platform") +} diff --git a/constraint/vendor/github.com/prometheus/procfs/internal/util/valueparser.go b/constraint/vendor/github.com/prometheus/procfs/internal/util/valueparser.go new file mode 100644 index 000000000..fe2355d3c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/internal/util/valueparser.go @@ -0,0 +1,91 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package util + +import ( + "strconv" +) + +// TODO(mdlayher): util packages are an anti-pattern and this should be moved +// somewhere else that is more focused in the future. + +// A ValueParser enables parsing a single string into a variety of data types +// in a concise and safe way. The Err method must be invoked after invoking +// any other methods to ensure a value was successfully parsed. +type ValueParser struct { + v string + err error +} + +// NewValueParser creates a ValueParser using the input string. +func NewValueParser(v string) *ValueParser { + return &ValueParser{v: v} +} + +// Int interprets the underlying value as an int and returns that value. +func (vp *ValueParser) Int() int { return int(vp.int64()) } + +// PInt64 interprets the underlying value as an int64 and returns a pointer to +// that value. +func (vp *ValueParser) PInt64() *int64 { + if vp.err != nil { + return nil + } + + v := vp.int64() + return &v +} + +// int64 interprets the underlying value as an int64 and returns that value. +// TODO: export if/when necessary. +func (vp *ValueParser) int64() int64 { + if vp.err != nil { + return 0 + } + + // A base value of zero makes ParseInt infer the correct base using the + // string's prefix, if any. + const base = 0 + v, err := strconv.ParseInt(vp.v, base, 64) + if err != nil { + vp.err = err + return 0 + } + + return v +} + +// PUInt64 interprets the underlying value as an uint64 and returns a pointer to +// that value. +func (vp *ValueParser) PUInt64() *uint64 { + if vp.err != nil { + return nil + } + + // A base value of zero makes ParseInt infer the correct base using the + // string's prefix, if any. + const base = 0 + v, err := strconv.ParseUint(vp.v, base, 64) + if err != nil { + vp.err = err + return nil + } + + return &v +} + +// Err returns the last error, if any, encountered by the ValueParser. +func (vp *ValueParser) Err() error { + return vp.err +} diff --git a/constraint/vendor/github.com/prometheus/procfs/ipvs.go b/constraint/vendor/github.com/prometheus/procfs/ipvs.go new file mode 100644 index 000000000..89e447746 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/ipvs.go @@ -0,0 +1,241 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "encoding/hex" + "errors" + "fmt" + "io" + "io/ioutil" + "net" + "os" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// IPVSStats holds IPVS statistics, as exposed by the kernel in `/proc/net/ip_vs_stats`. +type IPVSStats struct { + // Total count of connections. + Connections uint64 + // Total incoming packages processed. + IncomingPackets uint64 + // Total outgoing packages processed. + OutgoingPackets uint64 + // Total incoming traffic. + IncomingBytes uint64 + // Total outgoing traffic. + OutgoingBytes uint64 +} + +// IPVSBackendStatus holds current metrics of one virtual / real address pair. +type IPVSBackendStatus struct { + // The local (virtual) IP address. + LocalAddress net.IP + // The remote (real) IP address. + RemoteAddress net.IP + // The local (virtual) port. + LocalPort uint16 + // The remote (real) port. + RemotePort uint16 + // The local firewall mark + LocalMark string + // The transport protocol (TCP, UDP). + Proto string + // The current number of active connections for this virtual/real address pair. + ActiveConn uint64 + // The current number of inactive connections for this virtual/real address pair. + InactConn uint64 + // The current weight of this virtual/real address pair. + Weight uint64 +} + +// IPVSStats reads the IPVS statistics from the specified `proc` filesystem. +func (fs FS) IPVSStats() (IPVSStats, error) { + data, err := util.ReadFileNoStat(fs.proc.Path("net/ip_vs_stats")) + if err != nil { + return IPVSStats{}, err + } + + return parseIPVSStats(bytes.NewReader(data)) +} + +// parseIPVSStats performs the actual parsing of `ip_vs_stats`. +func parseIPVSStats(r io.Reader) (IPVSStats, error) { + var ( + statContent []byte + statLines []string + statFields []string + stats IPVSStats + ) + + statContent, err := ioutil.ReadAll(r) + if err != nil { + return IPVSStats{}, err + } + + statLines = strings.SplitN(string(statContent), "\n", 4) + if len(statLines) != 4 { + return IPVSStats{}, errors.New("ip_vs_stats corrupt: too short") + } + + statFields = strings.Fields(statLines[2]) + if len(statFields) != 5 { + return IPVSStats{}, errors.New("ip_vs_stats corrupt: unexpected number of fields") + } + + stats.Connections, err = strconv.ParseUint(statFields[0], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.IncomingPackets, err = strconv.ParseUint(statFields[1], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.OutgoingPackets, err = strconv.ParseUint(statFields[2], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.IncomingBytes, err = strconv.ParseUint(statFields[3], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.OutgoingBytes, err = strconv.ParseUint(statFields[4], 16, 64) + if err != nil { + return IPVSStats{}, err + } + + return stats, nil +} + +// IPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem. +func (fs FS) IPVSBackendStatus() ([]IPVSBackendStatus, error) { + file, err := os.Open(fs.proc.Path("net/ip_vs")) + if err != nil { + return nil, err + } + defer file.Close() + + return parseIPVSBackendStatus(file) +} + +func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) { + var ( + status []IPVSBackendStatus + scanner = bufio.NewScanner(file) + proto string + localMark string + localAddress net.IP + localPort uint16 + err error + ) + + for scanner.Scan() { + fields := strings.Fields(scanner.Text()) + if len(fields) == 0 { + continue + } + switch { + case fields[0] == "IP" || fields[0] == "Prot" || fields[1] == "RemoteAddress:Port": + continue + case fields[0] == "TCP" || fields[0] == "UDP": + if len(fields) < 2 { + continue + } + proto = fields[0] + localMark = "" + localAddress, localPort, err = parseIPPort(fields[1]) + if err != nil { + return nil, err + } + case fields[0] == "FWM": + if len(fields) < 2 { + continue + } + proto = fields[0] + localMark = fields[1] + localAddress = nil + localPort = 0 + case fields[0] == "->": + if len(fields) < 6 { + continue + } + remoteAddress, remotePort, err := parseIPPort(fields[1]) + if err != nil { + return nil, err + } + weight, err := strconv.ParseUint(fields[3], 10, 64) + if err != nil { + return nil, err + } + activeConn, err := strconv.ParseUint(fields[4], 10, 64) + if err != nil { + return nil, err + } + inactConn, err := strconv.ParseUint(fields[5], 10, 64) + if err != nil { + return nil, err + } + status = append(status, IPVSBackendStatus{ + LocalAddress: localAddress, + LocalPort: localPort, + LocalMark: localMark, + RemoteAddress: remoteAddress, + RemotePort: remotePort, + Proto: proto, + Weight: weight, + ActiveConn: activeConn, + InactConn: inactConn, + }) + } + } + return status, nil +} + +func parseIPPort(s string) (net.IP, uint16, error) { + var ( + ip net.IP + err error + ) + + switch len(s) { + case 13: + ip, err = hex.DecodeString(s[0:8]) + if err != nil { + return nil, 0, err + } + case 46: + ip = net.ParseIP(s[1:40]) + if ip == nil { + return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40]) + } + default: + return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s) + } + + portString := s[len(s)-4:] + if len(portString) != 4 { + return nil, 0, fmt.Errorf("unexpected port string format: %s", portString) + } + port, err := strconv.ParseUint(portString, 16, 16) + if err != nil { + return nil, 0, err + } + + return ip, uint16(port), nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/kernel_random.go b/constraint/vendor/github.com/prometheus/procfs/kernel_random.go new file mode 100644 index 000000000..da3a941d6 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/kernel_random.go @@ -0,0 +1,62 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows + +package procfs + +import ( + "os" + + "github.com/prometheus/procfs/internal/util" +) + +// KernelRandom contains information about to the kernel's random number generator. +type KernelRandom struct { + // EntropyAvaliable gives the available entropy, in bits. + EntropyAvaliable *uint64 + // PoolSize gives the size of the entropy pool, in bits. + PoolSize *uint64 + // URandomMinReseedSeconds is the number of seconds after which the DRNG will be reseeded. + URandomMinReseedSeconds *uint64 + // WriteWakeupThreshold the number of bits of entropy below which we wake up processes + // that do a select(2) or poll(2) for write access to /dev/random. + WriteWakeupThreshold *uint64 + // ReadWakeupThreshold is the number of bits of entropy required for waking up processes that sleep + // waiting for entropy from /dev/random. + ReadWakeupThreshold *uint64 +} + +// KernelRandom returns values from /proc/sys/kernel/random. +func (fs FS) KernelRandom() (KernelRandom, error) { + random := KernelRandom{} + + for file, p := range map[string]**uint64{ + "entropy_avail": &random.EntropyAvaliable, + "poolsize": &random.PoolSize, + "urandom_min_reseed_secs": &random.URandomMinReseedSeconds, + "write_wakeup_threshold": &random.WriteWakeupThreshold, + "read_wakeup_threshold": &random.ReadWakeupThreshold, + } { + val, err := util.ReadUintFromFile(fs.proc.Path("sys", "kernel", "random", file)) + if os.IsNotExist(err) { + continue + } + if err != nil { + return random, err + } + *p = &val + } + + return random, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/loadavg.go b/constraint/vendor/github.com/prometheus/procfs/loadavg.go new file mode 100644 index 000000000..00bbe1441 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/loadavg.go @@ -0,0 +1,62 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "fmt" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// LoadAvg represents an entry in /proc/loadavg +type LoadAvg struct { + Load1 float64 + Load5 float64 + Load15 float64 +} + +// LoadAvg returns loadavg from /proc. +func (fs FS) LoadAvg() (*LoadAvg, error) { + path := fs.proc.Path("loadavg") + + data, err := util.ReadFileNoStat(path) + if err != nil { + return nil, err + } + return parseLoad(data) +} + +// Parse /proc loadavg and return 1m, 5m and 15m. +func parseLoad(loadavgBytes []byte) (*LoadAvg, error) { + loads := make([]float64, 3) + parts := strings.Fields(string(loadavgBytes)) + if len(parts) < 3 { + return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %s", string(loadavgBytes)) + } + + var err error + for i, load := range parts[0:3] { + loads[i], err = strconv.ParseFloat(load, 64) + if err != nil { + return nil, fmt.Errorf("could not parse load '%s': %s", load, err) + } + } + return &LoadAvg{ + Load1: loads[0], + Load5: loads[1], + Load15: loads[2], + }, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/mdstat.go b/constraint/vendor/github.com/prometheus/procfs/mdstat.go new file mode 100644 index 000000000..98e37aa8c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/mdstat.go @@ -0,0 +1,197 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "fmt" + "io/ioutil" + "regexp" + "strconv" + "strings" +) + +var ( + statusLineRE = regexp.MustCompile(`(\d+) blocks .*\[(\d+)/(\d+)\] \[[U_]+\]`) + recoveryLineRE = regexp.MustCompile(`\((\d+)/\d+\)`) +) + +// MDStat holds info parsed from /proc/mdstat. +type MDStat struct { + // Name of the device. + Name string + // activity-state of the device. + ActivityState string + // Number of active disks. + DisksActive int64 + // Total number of disks the device requires. + DisksTotal int64 + // Number of failed disks. + DisksFailed int64 + // Spare disks in the device. + DisksSpare int64 + // Number of blocks the device holds. + BlocksTotal int64 + // Number of blocks on the device that are in sync. + BlocksSynced int64 +} + +// MDStat parses an mdstat-file (/proc/mdstat) and returns a slice of +// structs containing the relevant info. More information available here: +// https://raid.wiki.kernel.org/index.php/Mdstat +func (fs FS) MDStat() ([]MDStat, error) { + data, err := ioutil.ReadFile(fs.proc.Path("mdstat")) + if err != nil { + return nil, err + } + mdstat, err := parseMDStat(data) + if err != nil { + return nil, fmt.Errorf("error parsing mdstat %s: %s", fs.proc.Path("mdstat"), err) + } + return mdstat, nil +} + +// parseMDStat parses data from mdstat file (/proc/mdstat) and returns a slice of +// structs containing the relevant info. +func parseMDStat(mdStatData []byte) ([]MDStat, error) { + mdStats := []MDStat{} + lines := strings.Split(string(mdStatData), "\n") + + for i, line := range lines { + if strings.TrimSpace(line) == "" || line[0] == ' ' || + strings.HasPrefix(line, "Personalities") || + strings.HasPrefix(line, "unused") { + continue + } + + deviceFields := strings.Fields(line) + if len(deviceFields) < 3 { + return nil, fmt.Errorf("not enough fields in mdline (expected at least 3): %s", line) + } + mdName := deviceFields[0] // mdx + state := deviceFields[2] // active or inactive + + if len(lines) <= i+3 { + return nil, fmt.Errorf( + "error parsing %s: too few lines for md device", + mdName, + ) + } + + // Failed disks have the suffix (F) & Spare disks have the suffix (S). + fail := int64(strings.Count(line, "(F)")) + spare := int64(strings.Count(line, "(S)")) + active, total, size, err := evalStatusLine(lines[i], lines[i+1]) + + if err != nil { + return nil, fmt.Errorf("error parsing md device lines: %s", err) + } + + syncLineIdx := i + 2 + if strings.Contains(lines[i+2], "bitmap") { // skip bitmap line + syncLineIdx++ + } + + // If device is syncing at the moment, get the number of currently + // synced bytes, otherwise that number equals the size of the device. + syncedBlocks := size + recovering := strings.Contains(lines[syncLineIdx], "recovery") + resyncing := strings.Contains(lines[syncLineIdx], "resync") + checking := strings.Contains(lines[syncLineIdx], "check") + + // Append recovery and resyncing state info. + if recovering || resyncing || checking { + if recovering { + state = "recovering" + } else if checking { + state = "checking" + } else { + state = "resyncing" + } + + // Handle case when resync=PENDING or resync=DELAYED. + if strings.Contains(lines[syncLineIdx], "PENDING") || + strings.Contains(lines[syncLineIdx], "DELAYED") { + syncedBlocks = 0 + } else { + syncedBlocks, err = evalRecoveryLine(lines[syncLineIdx]) + if err != nil { + return nil, fmt.Errorf("error parsing sync line in md device %s: %s", mdName, err) + } + } + } + + mdStats = append(mdStats, MDStat{ + Name: mdName, + ActivityState: state, + DisksActive: active, + DisksFailed: fail, + DisksSpare: spare, + DisksTotal: total, + BlocksTotal: size, + BlocksSynced: syncedBlocks, + }) + } + + return mdStats, nil +} + +func evalStatusLine(deviceLine, statusLine string) (active, total, size int64, err error) { + + sizeStr := strings.Fields(statusLine)[0] + size, err = strconv.ParseInt(sizeStr, 10, 64) + if err != nil { + return 0, 0, 0, fmt.Errorf("unexpected statusLine %s: %s", statusLine, err) + } + + if strings.Contains(deviceLine, "raid0") || strings.Contains(deviceLine, "linear") { + // In the device deviceLine, only disks have a number associated with them in []. + total = int64(strings.Count(deviceLine, "[")) + return total, total, size, nil + } + + if strings.Contains(deviceLine, "inactive") { + return 0, 0, size, nil + } + + matches := statusLineRE.FindStringSubmatch(statusLine) + if len(matches) != 4 { + return 0, 0, 0, fmt.Errorf("couldn't find all the substring matches: %s", statusLine) + } + + total, err = strconv.ParseInt(matches[2], 10, 64) + if err != nil { + return 0, 0, 0, fmt.Errorf("unexpected statusLine %s: %s", statusLine, err) + } + + active, err = strconv.ParseInt(matches[3], 10, 64) + if err != nil { + return 0, 0, 0, fmt.Errorf("unexpected statusLine %s: %s", statusLine, err) + } + + return active, total, size, nil +} + +func evalRecoveryLine(recoveryLine string) (syncedBlocks int64, err error) { + matches := recoveryLineRE.FindStringSubmatch(recoveryLine) + if len(matches) != 2 { + return 0, fmt.Errorf("unexpected recoveryLine: %s", recoveryLine) + } + + syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64) + if err != nil { + return 0, fmt.Errorf("%s in recoveryLine: %s", err, recoveryLine) + } + + return syncedBlocks, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/meminfo.go b/constraint/vendor/github.com/prometheus/procfs/meminfo.go new file mode 100644 index 000000000..50dab4bcd --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/meminfo.go @@ -0,0 +1,277 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Meminfo represents memory statistics. +type Meminfo struct { + // Total usable ram (i.e. physical ram minus a few reserved + // bits and the kernel binary code) + MemTotal uint64 + // The sum of LowFree+HighFree + MemFree uint64 + // An estimate of how much memory is available for starting + // new applications, without swapping. Calculated from + // MemFree, SReclaimable, the size of the file LRU lists, and + // the low watermarks in each zone. The estimate takes into + // account that the system needs some page cache to function + // well, and that not all reclaimable slab will be + // reclaimable, due to items being in use. The impact of those + // factors will vary from system to system. + MemAvailable uint64 + // Relatively temporary storage for raw disk blocks shouldn't + // get tremendously large (20MB or so) + Buffers uint64 + Cached uint64 + // Memory that once was swapped out, is swapped back in but + // still also is in the swapfile (if memory is needed it + // doesn't need to be swapped out AGAIN because it is already + // in the swapfile. This saves I/O) + SwapCached uint64 + // Memory that has been used more recently and usually not + // reclaimed unless absolutely necessary. + Active uint64 + // Memory which has been less recently used. It is more + // eligible to be reclaimed for other purposes + Inactive uint64 + ActiveAnon uint64 + InactiveAnon uint64 + ActiveFile uint64 + InactiveFile uint64 + Unevictable uint64 + Mlocked uint64 + // total amount of swap space available + SwapTotal uint64 + // Memory which has been evicted from RAM, and is temporarily + // on the disk + SwapFree uint64 + // Memory which is waiting to get written back to the disk + Dirty uint64 + // Memory which is actively being written back to the disk + Writeback uint64 + // Non-file backed pages mapped into userspace page tables + AnonPages uint64 + // files which have been mapped, such as libraries + Mapped uint64 + Shmem uint64 + // in-kernel data structures cache + Slab uint64 + // Part of Slab, that might be reclaimed, such as caches + SReclaimable uint64 + // Part of Slab, that cannot be reclaimed on memory pressure + SUnreclaim uint64 + KernelStack uint64 + // amount of memory dedicated to the lowest level of page + // tables. + PageTables uint64 + // NFS pages sent to the server, but not yet committed to + // stable storage + NFSUnstable uint64 + // Memory used for block device "bounce buffers" + Bounce uint64 + // Memory used by FUSE for temporary writeback buffers + WritebackTmp uint64 + // Based on the overcommit ratio ('vm.overcommit_ratio'), + // this is the total amount of memory currently available to + // be allocated on the system. This limit is only adhered to + // if strict overcommit accounting is enabled (mode 2 in + // 'vm.overcommit_memory'). + // The CommitLimit is calculated with the following formula: + // CommitLimit = ([total RAM pages] - [total huge TLB pages]) * + // overcommit_ratio / 100 + [total swap pages] + // For example, on a system with 1G of physical RAM and 7G + // of swap with a `vm.overcommit_ratio` of 30 it would + // yield a CommitLimit of 7.3G. + // For more details, see the memory overcommit documentation + // in vm/overcommit-accounting. + CommitLimit uint64 + // The amount of memory presently allocated on the system. + // The committed memory is a sum of all of the memory which + // has been allocated by processes, even if it has not been + // "used" by them as of yet. A process which malloc()'s 1G + // of memory, but only touches 300M of it will show up as + // using 1G. This 1G is memory which has been "committed" to + // by the VM and can be used at any time by the allocating + // application. With strict overcommit enabled on the system + // (mode 2 in 'vm.overcommit_memory'),allocations which would + // exceed the CommitLimit (detailed above) will not be permitted. + // This is useful if one needs to guarantee that processes will + // not fail due to lack of memory once that memory has been + // successfully allocated. + CommittedAS uint64 + // total size of vmalloc memory area + VmallocTotal uint64 + // amount of vmalloc area which is used + VmallocUsed uint64 + // largest contiguous block of vmalloc area which is free + VmallocChunk uint64 + HardwareCorrupted uint64 + AnonHugePages uint64 + ShmemHugePages uint64 + ShmemPmdMapped uint64 + CmaTotal uint64 + CmaFree uint64 + HugePagesTotal uint64 + HugePagesFree uint64 + HugePagesRsvd uint64 + HugePagesSurp uint64 + Hugepagesize uint64 + DirectMap4k uint64 + DirectMap2M uint64 + DirectMap1G uint64 +} + +// Meminfo returns an information about current kernel/system memory statistics. +// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +func (fs FS) Meminfo() (Meminfo, error) { + b, err := util.ReadFileNoStat(fs.proc.Path("meminfo")) + if err != nil { + return Meminfo{}, err + } + + m, err := parseMemInfo(bytes.NewReader(b)) + if err != nil { + return Meminfo{}, fmt.Errorf("failed to parse meminfo: %v", err) + } + + return *m, nil +} + +func parseMemInfo(r io.Reader) (*Meminfo, error) { + var m Meminfo + s := bufio.NewScanner(r) + for s.Scan() { + // Each line has at least a name and value; we ignore the unit. + fields := strings.Fields(s.Text()) + if len(fields) < 2 { + return nil, fmt.Errorf("malformed meminfo line: %q", s.Text()) + } + + v, err := strconv.ParseUint(fields[1], 0, 64) + if err != nil { + return nil, err + } + + switch fields[0] { + case "MemTotal:": + m.MemTotal = v + case "MemFree:": + m.MemFree = v + case "MemAvailable:": + m.MemAvailable = v + case "Buffers:": + m.Buffers = v + case "Cached:": + m.Cached = v + case "SwapCached:": + m.SwapCached = v + case "Active:": + m.Active = v + case "Inactive:": + m.Inactive = v + case "Active(anon):": + m.ActiveAnon = v + case "Inactive(anon):": + m.InactiveAnon = v + case "Active(file):": + m.ActiveFile = v + case "Inactive(file):": + m.InactiveFile = v + case "Unevictable:": + m.Unevictable = v + case "Mlocked:": + m.Mlocked = v + case "SwapTotal:": + m.SwapTotal = v + case "SwapFree:": + m.SwapFree = v + case "Dirty:": + m.Dirty = v + case "Writeback:": + m.Writeback = v + case "AnonPages:": + m.AnonPages = v + case "Mapped:": + m.Mapped = v + case "Shmem:": + m.Shmem = v + case "Slab:": + m.Slab = v + case "SReclaimable:": + m.SReclaimable = v + case "SUnreclaim:": + m.SUnreclaim = v + case "KernelStack:": + m.KernelStack = v + case "PageTables:": + m.PageTables = v + case "NFS_Unstable:": + m.NFSUnstable = v + case "Bounce:": + m.Bounce = v + case "WritebackTmp:": + m.WritebackTmp = v + case "CommitLimit:": + m.CommitLimit = v + case "Committed_AS:": + m.CommittedAS = v + case "VmallocTotal:": + m.VmallocTotal = v + case "VmallocUsed:": + m.VmallocUsed = v + case "VmallocChunk:": + m.VmallocChunk = v + case "HardwareCorrupted:": + m.HardwareCorrupted = v + case "AnonHugePages:": + m.AnonHugePages = v + case "ShmemHugePages:": + m.ShmemHugePages = v + case "ShmemPmdMapped:": + m.ShmemPmdMapped = v + case "CmaTotal:": + m.CmaTotal = v + case "CmaFree:": + m.CmaFree = v + case "HugePages_Total:": + m.HugePagesTotal = v + case "HugePages_Free:": + m.HugePagesFree = v + case "HugePages_Rsvd:": + m.HugePagesRsvd = v + case "HugePages_Surp:": + m.HugePagesSurp = v + case "Hugepagesize:": + m.Hugepagesize = v + case "DirectMap4k:": + m.DirectMap4k = v + case "DirectMap2M:": + m.DirectMap2M = v + case "DirectMap1G:": + m.DirectMap1G = v + } + } + + return &m, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/mountinfo.go b/constraint/vendor/github.com/prometheus/procfs/mountinfo.go new file mode 100644 index 000000000..59f4d5055 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/mountinfo.go @@ -0,0 +1,180 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// A MountInfo is a type that describes the details, options +// for each mount, parsed from /proc/self/mountinfo. +// The fields described in each entry of /proc/self/mountinfo +// is described in the following man page. +// http://man7.org/linux/man-pages/man5/proc.5.html +type MountInfo struct { + // Unique ID for the mount + MountID int + // The ID of the parent mount + ParentID int + // The value of `st_dev` for the files on this FS + MajorMinorVer string + // The pathname of the directory in the FS that forms + // the root for this mount + Root string + // The pathname of the mount point relative to the root + MountPoint string + // Mount options + Options map[string]string + // Zero or more optional fields + OptionalFields map[string]string + // The Filesystem type + FSType string + // FS specific information or "none" + Source string + // Superblock options + SuperOptions map[string]string +} + +// Reads each line of the mountinfo file, and returns a list of formatted MountInfo structs. +func parseMountInfo(info []byte) ([]*MountInfo, error) { + mounts := []*MountInfo{} + scanner := bufio.NewScanner(bytes.NewReader(info)) + for scanner.Scan() { + mountString := scanner.Text() + parsedMounts, err := parseMountInfoString(mountString) + if err != nil { + return nil, err + } + mounts = append(mounts, parsedMounts) + } + + err := scanner.Err() + return mounts, err +} + +// Parses a mountinfo file line, and converts it to a MountInfo struct. +// An important check here is to see if the hyphen separator, as if it does not exist, +// it means that the line is malformed. +func parseMountInfoString(mountString string) (*MountInfo, error) { + var err error + + mountInfo := strings.Split(mountString, " ") + mountInfoLength := len(mountInfo) + if mountInfoLength < 10 { + return nil, fmt.Errorf("couldn't find enough fields in mount string: %s", mountString) + } + + if mountInfo[mountInfoLength-4] != "-" { + return nil, fmt.Errorf("couldn't find separator in expected field: %s", mountInfo[mountInfoLength-4]) + } + + mount := &MountInfo{ + MajorMinorVer: mountInfo[2], + Root: mountInfo[3], + MountPoint: mountInfo[4], + Options: mountOptionsParser(mountInfo[5]), + OptionalFields: nil, + FSType: mountInfo[mountInfoLength-3], + Source: mountInfo[mountInfoLength-2], + SuperOptions: mountOptionsParser(mountInfo[mountInfoLength-1]), + } + + mount.MountID, err = strconv.Atoi(mountInfo[0]) + if err != nil { + return nil, fmt.Errorf("failed to parse mount ID") + } + mount.ParentID, err = strconv.Atoi(mountInfo[1]) + if err != nil { + return nil, fmt.Errorf("failed to parse parent ID") + } + // Has optional fields, which is a space separated list of values. + // Example: shared:2 master:7 + if mountInfo[6] != "" { + mount.OptionalFields, err = mountOptionsParseOptionalFields(mountInfo[6 : mountInfoLength-4]) + if err != nil { + return nil, err + } + } + return mount, nil +} + +// mountOptionsIsValidField checks a string against a valid list of optional fields keys. +func mountOptionsIsValidField(s string) bool { + switch s { + case + "shared", + "master", + "propagate_from", + "unbindable": + return true + } + return false +} + +// mountOptionsParseOptionalFields parses a list of optional fields strings into a double map of strings. +func mountOptionsParseOptionalFields(o []string) (map[string]string, error) { + optionalFields := make(map[string]string) + for _, field := range o { + optionSplit := strings.SplitN(field, ":", 2) + value := "" + if len(optionSplit) == 2 { + value = optionSplit[1] + } + if mountOptionsIsValidField(optionSplit[0]) { + optionalFields[optionSplit[0]] = value + } + } + return optionalFields, nil +} + +// mountOptionsParser parses the mount options, superblock options. +func mountOptionsParser(mountOptions string) map[string]string { + opts := make(map[string]string) + options := strings.Split(mountOptions, ",") + for _, opt := range options { + splitOption := strings.Split(opt, "=") + if len(splitOption) < 2 { + key := splitOption[0] + opts[key] = "" + } else { + key, value := splitOption[0], splitOption[1] + opts[key] = value + } + } + return opts +} + +// GetMounts retrieves mountinfo information from `/proc/self/mountinfo`. +func GetMounts() ([]*MountInfo, error) { + data, err := util.ReadFileNoStat("/proc/self/mountinfo") + if err != nil { + return nil, err + } + return parseMountInfo(data) +} + +// GetProcMounts retrieves mountinfo information from a processes' `/proc//mountinfo`. +func GetProcMounts(pid int) ([]*MountInfo, error) { + data, err := util.ReadFileNoStat(fmt.Sprintf("/proc/%d/mountinfo", pid)) + if err != nil { + return nil, err + } + return parseMountInfo(data) +} diff --git a/constraint/vendor/github.com/prometheus/procfs/mountstats.go b/constraint/vendor/github.com/prometheus/procfs/mountstats.go new file mode 100644 index 000000000..861ced9da --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/mountstats.go @@ -0,0 +1,629 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +// While implementing parsing of /proc/[pid]/mountstats, this blog was used +// heavily as a reference: +// https://utcc.utoronto.ca/~cks/space/blog/linux/NFSMountstatsIndex +// +// Special thanks to Chris Siebenmann for all of his posts explaining the +// various statistics available for NFS. + +import ( + "bufio" + "fmt" + "io" + "strconv" + "strings" + "time" +) + +// Constants shared between multiple functions. +const ( + deviceEntryLen = 8 + + fieldBytesLen = 8 + fieldEventsLen = 27 + + statVersion10 = "1.0" + statVersion11 = "1.1" + + fieldTransport10TCPLen = 10 + fieldTransport10UDPLen = 7 + + fieldTransport11TCPLen = 13 + fieldTransport11UDPLen = 10 +) + +// A Mount is a device mount parsed from /proc/[pid]/mountstats. +type Mount struct { + // Name of the device. + Device string + // The mount point of the device. + Mount string + // The filesystem type used by the device. + Type string + // If available additional statistics related to this Mount. + // Use a type assertion to determine if additional statistics are available. + Stats MountStats +} + +// A MountStats is a type which contains detailed statistics for a specific +// type of Mount. +type MountStats interface { + mountStats() +} + +// A MountStatsNFS is a MountStats implementation for NFSv3 and v4 mounts. +type MountStatsNFS struct { + // The version of statistics provided. + StatVersion string + // The mount options of the NFS mount. + Opts map[string]string + // The age of the NFS mount. + Age time.Duration + // Statistics related to byte counters for various operations. + Bytes NFSBytesStats + // Statistics related to various NFS event occurrences. + Events NFSEventsStats + // Statistics broken down by filesystem operation. + Operations []NFSOperationStats + // Statistics about the NFS RPC transport. + Transport NFSTransportStats +} + +// mountStats implements MountStats. +func (m MountStatsNFS) mountStats() {} + +// A NFSBytesStats contains statistics about the number of bytes read and written +// by an NFS client to and from an NFS server. +type NFSBytesStats struct { + // Number of bytes read using the read() syscall. + Read uint64 + // Number of bytes written using the write() syscall. + Write uint64 + // Number of bytes read using the read() syscall in O_DIRECT mode. + DirectRead uint64 + // Number of bytes written using the write() syscall in O_DIRECT mode. + DirectWrite uint64 + // Number of bytes read from the NFS server, in total. + ReadTotal uint64 + // Number of bytes written to the NFS server, in total. + WriteTotal uint64 + // Number of pages read directly via mmap()'d files. + ReadPages uint64 + // Number of pages written directly via mmap()'d files. + WritePages uint64 +} + +// A NFSEventsStats contains statistics about NFS event occurrences. +type NFSEventsStats struct { + // Number of times cached inode attributes are re-validated from the server. + InodeRevalidate uint64 + // Number of times cached dentry nodes are re-validated from the server. + DnodeRevalidate uint64 + // Number of times an inode cache is cleared. + DataInvalidate uint64 + // Number of times cached inode attributes are invalidated. + AttributeInvalidate uint64 + // Number of times files or directories have been open()'d. + VFSOpen uint64 + // Number of times a directory lookup has occurred. + VFSLookup uint64 + // Number of times permissions have been checked. + VFSAccess uint64 + // Number of updates (and potential writes) to pages. + VFSUpdatePage uint64 + // Number of pages read directly via mmap()'d files. + VFSReadPage uint64 + // Number of times a group of pages have been read. + VFSReadPages uint64 + // Number of pages written directly via mmap()'d files. + VFSWritePage uint64 + // Number of times a group of pages have been written. + VFSWritePages uint64 + // Number of times directory entries have been read with getdents(). + VFSGetdents uint64 + // Number of times attributes have been set on inodes. + VFSSetattr uint64 + // Number of pending writes that have been forcefully flushed to the server. + VFSFlush uint64 + // Number of times fsync() has been called on directories and files. + VFSFsync uint64 + // Number of times locking has been attempted on a file. + VFSLock uint64 + // Number of times files have been closed and released. + VFSFileRelease uint64 + // Unknown. Possibly unused. + CongestionWait uint64 + // Number of times files have been truncated. + Truncation uint64 + // Number of times a file has been grown due to writes beyond its existing end. + WriteExtension uint64 + // Number of times a file was removed while still open by another process. + SillyRename uint64 + // Number of times the NFS server gave less data than expected while reading. + ShortRead uint64 + // Number of times the NFS server wrote less data than expected while writing. + ShortWrite uint64 + // Number of times the NFS server indicated EJUKEBOX; retrieving data from + // offline storage. + JukeboxDelay uint64 + // Number of NFS v4.1+ pNFS reads. + PNFSRead uint64 + // Number of NFS v4.1+ pNFS writes. + PNFSWrite uint64 +} + +// A NFSOperationStats contains statistics for a single operation. +type NFSOperationStats struct { + // The name of the operation. + Operation string + // Number of requests performed for this operation. + Requests uint64 + // Number of times an actual RPC request has been transmitted for this operation. + Transmissions uint64 + // Number of times a request has had a major timeout. + MajorTimeouts uint64 + // Number of bytes sent for this operation, including RPC headers and payload. + BytesSent uint64 + // Number of bytes received for this operation, including RPC headers and payload. + BytesReceived uint64 + // Duration all requests spent queued for transmission before they were sent. + CumulativeQueueMilliseconds uint64 + // Duration it took to get a reply back after the request was transmitted. + CumulativeTotalResponseMilliseconds uint64 + // Duration from when a request was enqueued to when it was completely handled. + CumulativeTotalRequestMilliseconds uint64 + // The count of operations that complete with tk_status < 0. These statuses usually indicate error conditions. + Errors uint64 +} + +// A NFSTransportStats contains statistics for the NFS mount RPC requests and +// responses. +type NFSTransportStats struct { + // The transport protocol used for the NFS mount. + Protocol string + // The local port used for the NFS mount. + Port uint64 + // Number of times the client has had to establish a connection from scratch + // to the NFS server. + Bind uint64 + // Number of times the client has made a TCP connection to the NFS server. + Connect uint64 + // Duration (in jiffies, a kernel internal unit of time) the NFS mount has + // spent waiting for connections to the server to be established. + ConnectIdleTime uint64 + // Duration since the NFS mount last saw any RPC traffic. + IdleTimeSeconds uint64 + // Number of RPC requests for this mount sent to the NFS server. + Sends uint64 + // Number of RPC responses for this mount received from the NFS server. + Receives uint64 + // Number of times the NFS server sent a response with a transaction ID + // unknown to this client. + BadTransactionIDs uint64 + // A running counter, incremented on each request as the current difference + // ebetween sends and receives. + CumulativeActiveRequests uint64 + // A running counter, incremented on each request by the current backlog + // queue size. + CumulativeBacklog uint64 + + // Stats below only available with stat version 1.1. + + // Maximum number of simultaneously active RPC requests ever used. + MaximumRPCSlotsUsed uint64 + // A running counter, incremented on each request as the current size of the + // sending queue. + CumulativeSendingQueue uint64 + // A running counter, incremented on each request as the current size of the + // pending queue. + CumulativePendingQueue uint64 +} + +// parseMountStats parses a /proc/[pid]/mountstats file and returns a slice +// of Mount structures containing detailed information about each mount. +// If available, statistics for each mount are parsed as well. +func parseMountStats(r io.Reader) ([]*Mount, error) { + const ( + device = "device" + statVersionPrefix = "statvers=" + + nfs3Type = "nfs" + nfs4Type = "nfs4" + ) + + var mounts []*Mount + + s := bufio.NewScanner(r) + for s.Scan() { + // Only look for device entries in this function + ss := strings.Fields(string(s.Bytes())) + if len(ss) == 0 || ss[0] != device { + continue + } + + m, err := parseMount(ss) + if err != nil { + return nil, err + } + + // Does this mount also possess statistics information? + if len(ss) > deviceEntryLen { + // Only NFSv3 and v4 are supported for parsing statistics + if m.Type != nfs3Type && m.Type != nfs4Type { + return nil, fmt.Errorf("cannot parse MountStats for fstype %q", m.Type) + } + + statVersion := strings.TrimPrefix(ss[8], statVersionPrefix) + + stats, err := parseMountStatsNFS(s, statVersion) + if err != nil { + return nil, err + } + + m.Stats = stats + } + + mounts = append(mounts, m) + } + + return mounts, s.Err() +} + +// parseMount parses an entry in /proc/[pid]/mountstats in the format: +// device [device] mounted on [mount] with fstype [type] +func parseMount(ss []string) (*Mount, error) { + if len(ss) < deviceEntryLen { + return nil, fmt.Errorf("invalid device entry: %v", ss) + } + + // Check for specific words appearing at specific indices to ensure + // the format is consistent with what we expect + format := []struct { + i int + s string + }{ + {i: 0, s: "device"}, + {i: 2, s: "mounted"}, + {i: 3, s: "on"}, + {i: 5, s: "with"}, + {i: 6, s: "fstype"}, + } + + for _, f := range format { + if ss[f.i] != f.s { + return nil, fmt.Errorf("invalid device entry: %v", ss) + } + } + + return &Mount{ + Device: ss[1], + Mount: ss[4], + Type: ss[7], + }, nil +} + +// parseMountStatsNFS parses a MountStatsNFS by scanning additional information +// related to NFS statistics. +func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, error) { + // Field indicators for parsing specific types of data + const ( + fieldOpts = "opts:" + fieldAge = "age:" + fieldBytes = "bytes:" + fieldEvents = "events:" + fieldPerOpStats = "per-op" + fieldTransport = "xprt:" + ) + + stats := &MountStatsNFS{ + StatVersion: statVersion, + } + + for s.Scan() { + ss := strings.Fields(string(s.Bytes())) + if len(ss) == 0 { + break + } + if len(ss) < 2 { + return nil, fmt.Errorf("not enough information for NFS stats: %v", ss) + } + + switch ss[0] { + case fieldOpts: + if stats.Opts == nil { + stats.Opts = map[string]string{} + } + for _, opt := range strings.Split(ss[1], ",") { + split := strings.Split(opt, "=") + if len(split) == 2 { + stats.Opts[split[0]] = split[1] + } else { + stats.Opts[opt] = "" + } + } + case fieldAge: + // Age integer is in seconds + d, err := time.ParseDuration(ss[1] + "s") + if err != nil { + return nil, err + } + + stats.Age = d + case fieldBytes: + bstats, err := parseNFSBytesStats(ss[1:]) + if err != nil { + return nil, err + } + + stats.Bytes = *bstats + case fieldEvents: + estats, err := parseNFSEventsStats(ss[1:]) + if err != nil { + return nil, err + } + + stats.Events = *estats + case fieldTransport: + if len(ss) < 3 { + return nil, fmt.Errorf("not enough information for NFS transport stats: %v", ss) + } + + tstats, err := parseNFSTransportStats(ss[1:], statVersion) + if err != nil { + return nil, err + } + + stats.Transport = *tstats + } + + // When encountering "per-operation statistics", we must break this + // loop and parse them separately to ensure we can terminate parsing + // before reaching another device entry; hence why this 'if' statement + // is not just another switch case + if ss[0] == fieldPerOpStats { + break + } + } + + if err := s.Err(); err != nil { + return nil, err + } + + // NFS per-operation stats appear last before the next device entry + perOpStats, err := parseNFSOperationStats(s) + if err != nil { + return nil, err + } + + stats.Operations = perOpStats + + return stats, nil +} + +// parseNFSBytesStats parses a NFSBytesStats line using an input set of +// integer fields. +func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) { + if len(ss) != fieldBytesLen { + return nil, fmt.Errorf("invalid NFS bytes stats: %v", ss) + } + + ns := make([]uint64, 0, fieldBytesLen) + for _, s := range ss { + n, err := strconv.ParseUint(s, 10, 64) + if err != nil { + return nil, err + } + + ns = append(ns, n) + } + + return &NFSBytesStats{ + Read: ns[0], + Write: ns[1], + DirectRead: ns[2], + DirectWrite: ns[3], + ReadTotal: ns[4], + WriteTotal: ns[5], + ReadPages: ns[6], + WritePages: ns[7], + }, nil +} + +// parseNFSEventsStats parses a NFSEventsStats line using an input set of +// integer fields. +func parseNFSEventsStats(ss []string) (*NFSEventsStats, error) { + if len(ss) != fieldEventsLen { + return nil, fmt.Errorf("invalid NFS events stats: %v", ss) + } + + ns := make([]uint64, 0, fieldEventsLen) + for _, s := range ss { + n, err := strconv.ParseUint(s, 10, 64) + if err != nil { + return nil, err + } + + ns = append(ns, n) + } + + return &NFSEventsStats{ + InodeRevalidate: ns[0], + DnodeRevalidate: ns[1], + DataInvalidate: ns[2], + AttributeInvalidate: ns[3], + VFSOpen: ns[4], + VFSLookup: ns[5], + VFSAccess: ns[6], + VFSUpdatePage: ns[7], + VFSReadPage: ns[8], + VFSReadPages: ns[9], + VFSWritePage: ns[10], + VFSWritePages: ns[11], + VFSGetdents: ns[12], + VFSSetattr: ns[13], + VFSFlush: ns[14], + VFSFsync: ns[15], + VFSLock: ns[16], + VFSFileRelease: ns[17], + CongestionWait: ns[18], + Truncation: ns[19], + WriteExtension: ns[20], + SillyRename: ns[21], + ShortRead: ns[22], + ShortWrite: ns[23], + JukeboxDelay: ns[24], + PNFSRead: ns[25], + PNFSWrite: ns[26], + }, nil +} + +// parseNFSOperationStats parses a slice of NFSOperationStats by scanning +// additional information about per-operation statistics until an empty +// line is reached. +func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) { + const ( + // Minimum number of expected fields in each per-operation statistics set + minFields = 9 + ) + + var ops []NFSOperationStats + + for s.Scan() { + ss := strings.Fields(string(s.Bytes())) + if len(ss) == 0 { + // Must break when reading a blank line after per-operation stats to + // enable top-level function to parse the next device entry + break + } + + if len(ss) < minFields { + return nil, fmt.Errorf("invalid NFS per-operations stats: %v", ss) + } + + // Skip string operation name for integers + ns := make([]uint64, 0, minFields-1) + for _, st := range ss[1:] { + n, err := strconv.ParseUint(st, 10, 64) + if err != nil { + return nil, err + } + + ns = append(ns, n) + } + + opStats := NFSOperationStats{ + Operation: strings.TrimSuffix(ss[0], ":"), + Requests: ns[0], + Transmissions: ns[1], + MajorTimeouts: ns[2], + BytesSent: ns[3], + BytesReceived: ns[4], + CumulativeQueueMilliseconds: ns[5], + CumulativeTotalResponseMilliseconds: ns[6], + CumulativeTotalRequestMilliseconds: ns[7], + } + + if len(ns) > 8 { + opStats.Errors = ns[8] + } + + ops = append(ops, opStats) + } + + return ops, s.Err() +} + +// parseNFSTransportStats parses a NFSTransportStats line using an input set of +// integer fields matched to a specific stats version. +func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats, error) { + // Extract the protocol field. It is the only string value in the line + protocol := ss[0] + ss = ss[1:] + + switch statVersion { + case statVersion10: + var expectedLength int + if protocol == "tcp" { + expectedLength = fieldTransport10TCPLen + } else if protocol == "udp" { + expectedLength = fieldTransport10UDPLen + } else { + return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.0 statement: %v", protocol, ss) + } + if len(ss) != expectedLength { + return nil, fmt.Errorf("invalid NFS transport stats 1.0 statement: %v", ss) + } + case statVersion11: + var expectedLength int + if protocol == "tcp" { + expectedLength = fieldTransport11TCPLen + } else if protocol == "udp" { + expectedLength = fieldTransport11UDPLen + } else { + return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.1 statement: %v", protocol, ss) + } + if len(ss) != expectedLength { + return nil, fmt.Errorf("invalid NFS transport stats 1.1 statement: %v", ss) + } + default: + return nil, fmt.Errorf("unrecognized NFS transport stats version: %q", statVersion) + } + + // Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay + // in a v1.0 response. Since the stat length is bigger for TCP stats, we use + // the TCP length here. + // + // Note: slice length must be set to length of v1.1 stats to avoid a panic when + // only v1.0 stats are present. + // See: https://github.com/prometheus/node_exporter/issues/571. + ns := make([]uint64, fieldTransport11TCPLen) + for i, s := range ss { + n, err := strconv.ParseUint(s, 10, 64) + if err != nil { + return nil, err + } + + ns[i] = n + } + + // The fields differ depending on the transport protocol (TCP or UDP) + // From https://utcc.utoronto.ca/%7Ecks/space/blog/linux/NFSMountstatsXprt + // + // For the udp RPC transport there is no connection count, connect idle time, + // or idle time (fields #3, #4, and #5); all other fields are the same. So + // we set them to 0 here. + if protocol == "udp" { + ns = append(ns[:2], append(make([]uint64, 3), ns[2:]...)...) + } + + return &NFSTransportStats{ + Protocol: protocol, + Port: ns[0], + Bind: ns[1], + Connect: ns[2], + ConnectIdleTime: ns[3], + IdleTimeSeconds: ns[4], + Sends: ns[5], + Receives: ns[6], + BadTransactionIDs: ns[7], + CumulativeActiveRequests: ns[8], + CumulativeBacklog: ns[9], + MaximumRPCSlotsUsed: ns[10], + CumulativeSendingQueue: ns[11], + CumulativePendingQueue: ns[12], + }, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/net_conntrackstat.go b/constraint/vendor/github.com/prometheus/procfs/net_conntrackstat.go new file mode 100644 index 000000000..b637be984 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/net_conntrackstat.go @@ -0,0 +1,153 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// A ConntrackStatEntry represents one line from net/stat/nf_conntrack +// and contains netfilter conntrack statistics at one CPU core +type ConntrackStatEntry struct { + Entries uint64 + Found uint64 + Invalid uint64 + Ignore uint64 + Insert uint64 + InsertFailed uint64 + Drop uint64 + EarlyDrop uint64 + SearchRestart uint64 +} + +// ConntrackStat retrieves netfilter's conntrack statistics, split by CPU cores +func (fs FS) ConntrackStat() ([]ConntrackStatEntry, error) { + return readConntrackStat(fs.proc.Path("net", "stat", "nf_conntrack")) +} + +// Parses a slice of ConntrackStatEntries from the given filepath +func readConntrackStat(path string) ([]ConntrackStatEntry, error) { + // This file is small and can be read with one syscall. + b, err := util.ReadFileNoStat(path) + if err != nil { + // Do not wrap this error so the caller can detect os.IsNotExist and + // similar conditions. + return nil, err + } + + stat, err := parseConntrackStat(bytes.NewReader(b)) + if err != nil { + return nil, fmt.Errorf("failed to read conntrack stats from %q: %v", path, err) + } + + return stat, nil +} + +// Reads the contents of a conntrack statistics file and parses a slice of ConntrackStatEntries +func parseConntrackStat(r io.Reader) ([]ConntrackStatEntry, error) { + var entries []ConntrackStatEntry + + scanner := bufio.NewScanner(r) + scanner.Scan() + for scanner.Scan() { + fields := strings.Fields(scanner.Text()) + conntrackEntry, err := parseConntrackStatEntry(fields) + if err != nil { + return nil, err + } + entries = append(entries, *conntrackEntry) + } + + return entries, nil +} + +// Parses a ConntrackStatEntry from given array of fields +func parseConntrackStatEntry(fields []string) (*ConntrackStatEntry, error) { + if len(fields) != 17 { + return nil, fmt.Errorf("invalid conntrackstat entry, missing fields") + } + entry := &ConntrackStatEntry{} + + entries, err := parseConntrackStatField(fields[0]) + if err != nil { + return nil, err + } + entry.Entries = entries + + found, err := parseConntrackStatField(fields[2]) + if err != nil { + return nil, err + } + entry.Found = found + + invalid, err := parseConntrackStatField(fields[4]) + if err != nil { + return nil, err + } + entry.Invalid = invalid + + ignore, err := parseConntrackStatField(fields[5]) + if err != nil { + return nil, err + } + entry.Ignore = ignore + + insert, err := parseConntrackStatField(fields[8]) + if err != nil { + return nil, err + } + entry.Insert = insert + + insertFailed, err := parseConntrackStatField(fields[9]) + if err != nil { + return nil, err + } + entry.InsertFailed = insertFailed + + drop, err := parseConntrackStatField(fields[10]) + if err != nil { + return nil, err + } + entry.Drop = drop + + earlyDrop, err := parseConntrackStatField(fields[11]) + if err != nil { + return nil, err + } + entry.EarlyDrop = earlyDrop + + searchRestart, err := parseConntrackStatField(fields[16]) + if err != nil { + return nil, err + } + entry.SearchRestart = searchRestart + + return entry, nil +} + +// Parses a uint64 from given hex in string +func parseConntrackStatField(field string) (uint64, error) { + val, err := strconv.ParseUint(field, 16, 64) + if err != nil { + return 0, fmt.Errorf("couldn't parse \"%s\" field: %s", field, err) + } + return val, err +} diff --git a/constraint/vendor/github.com/prometheus/procfs/net_dev.go b/constraint/vendor/github.com/prometheus/procfs/net_dev.go new file mode 100644 index 000000000..47a710bef --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/net_dev.go @@ -0,0 +1,205 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "errors" + "os" + "sort" + "strconv" + "strings" +) + +// NetDevLine is single line parsed from /proc/net/dev or /proc/[pid]/net/dev. +type NetDevLine struct { + Name string `json:"name"` // The name of the interface. + RxBytes uint64 `json:"rx_bytes"` // Cumulative count of bytes received. + RxPackets uint64 `json:"rx_packets"` // Cumulative count of packets received. + RxErrors uint64 `json:"rx_errors"` // Cumulative count of receive errors encountered. + RxDropped uint64 `json:"rx_dropped"` // Cumulative count of packets dropped while receiving. + RxFIFO uint64 `json:"rx_fifo"` // Cumulative count of FIFO buffer errors. + RxFrame uint64 `json:"rx_frame"` // Cumulative count of packet framing errors. + RxCompressed uint64 `json:"rx_compressed"` // Cumulative count of compressed packets received by the device driver. + RxMulticast uint64 `json:"rx_multicast"` // Cumulative count of multicast frames received by the device driver. + TxBytes uint64 `json:"tx_bytes"` // Cumulative count of bytes transmitted. + TxPackets uint64 `json:"tx_packets"` // Cumulative count of packets transmitted. + TxErrors uint64 `json:"tx_errors"` // Cumulative count of transmit errors encountered. + TxDropped uint64 `json:"tx_dropped"` // Cumulative count of packets dropped while transmitting. + TxFIFO uint64 `json:"tx_fifo"` // Cumulative count of FIFO buffer errors. + TxCollisions uint64 `json:"tx_collisions"` // Cumulative count of collisions detected on the interface. + TxCarrier uint64 `json:"tx_carrier"` // Cumulative count of carrier losses detected by the device driver. + TxCompressed uint64 `json:"tx_compressed"` // Cumulative count of compressed packets transmitted by the device driver. +} + +// NetDev is parsed from /proc/net/dev or /proc/[pid]/net/dev. The map keys +// are interface names. +type NetDev map[string]NetDevLine + +// NetDev returns kernel/system statistics read from /proc/net/dev. +func (fs FS) NetDev() (NetDev, error) { + return newNetDev(fs.proc.Path("net/dev")) +} + +// NetDev returns kernel/system statistics read from /proc/[pid]/net/dev. +func (p Proc) NetDev() (NetDev, error) { + return newNetDev(p.path("net/dev")) +} + +// newNetDev creates a new NetDev from the contents of the given file. +func newNetDev(file string) (NetDev, error) { + f, err := os.Open(file) + if err != nil { + return NetDev{}, err + } + defer f.Close() + + netDev := NetDev{} + s := bufio.NewScanner(f) + for n := 0; s.Scan(); n++ { + // Skip the 2 header lines. + if n < 2 { + continue + } + + line, err := netDev.parseLine(s.Text()) + if err != nil { + return netDev, err + } + + netDev[line.Name] = *line + } + + return netDev, s.Err() +} + +// parseLine parses a single line from the /proc/net/dev file. Header lines +// must be filtered prior to calling this method. +func (netDev NetDev) parseLine(rawLine string) (*NetDevLine, error) { + parts := strings.SplitN(rawLine, ":", 2) + if len(parts) != 2 { + return nil, errors.New("invalid net/dev line, missing colon") + } + fields := strings.Fields(strings.TrimSpace(parts[1])) + + var err error + line := &NetDevLine{} + + // Interface Name + line.Name = strings.TrimSpace(parts[0]) + if line.Name == "" { + return nil, errors.New("invalid net/dev line, empty interface name") + } + + // RX + line.RxBytes, err = strconv.ParseUint(fields[0], 10, 64) + if err != nil { + return nil, err + } + line.RxPackets, err = strconv.ParseUint(fields[1], 10, 64) + if err != nil { + return nil, err + } + line.RxErrors, err = strconv.ParseUint(fields[2], 10, 64) + if err != nil { + return nil, err + } + line.RxDropped, err = strconv.ParseUint(fields[3], 10, 64) + if err != nil { + return nil, err + } + line.RxFIFO, err = strconv.ParseUint(fields[4], 10, 64) + if err != nil { + return nil, err + } + line.RxFrame, err = strconv.ParseUint(fields[5], 10, 64) + if err != nil { + return nil, err + } + line.RxCompressed, err = strconv.ParseUint(fields[6], 10, 64) + if err != nil { + return nil, err + } + line.RxMulticast, err = strconv.ParseUint(fields[7], 10, 64) + if err != nil { + return nil, err + } + + // TX + line.TxBytes, err = strconv.ParseUint(fields[8], 10, 64) + if err != nil { + return nil, err + } + line.TxPackets, err = strconv.ParseUint(fields[9], 10, 64) + if err != nil { + return nil, err + } + line.TxErrors, err = strconv.ParseUint(fields[10], 10, 64) + if err != nil { + return nil, err + } + line.TxDropped, err = strconv.ParseUint(fields[11], 10, 64) + if err != nil { + return nil, err + } + line.TxFIFO, err = strconv.ParseUint(fields[12], 10, 64) + if err != nil { + return nil, err + } + line.TxCollisions, err = strconv.ParseUint(fields[13], 10, 64) + if err != nil { + return nil, err + } + line.TxCarrier, err = strconv.ParseUint(fields[14], 10, 64) + if err != nil { + return nil, err + } + line.TxCompressed, err = strconv.ParseUint(fields[15], 10, 64) + if err != nil { + return nil, err + } + + return line, nil +} + +// Total aggregates the values across interfaces and returns a new NetDevLine. +// The Name field will be a sorted comma separated list of interface names. +func (netDev NetDev) Total() NetDevLine { + total := NetDevLine{} + + names := make([]string, 0, len(netDev)) + for _, ifc := range netDev { + names = append(names, ifc.Name) + total.RxBytes += ifc.RxBytes + total.RxPackets += ifc.RxPackets + total.RxErrors += ifc.RxErrors + total.RxDropped += ifc.RxDropped + total.RxFIFO += ifc.RxFIFO + total.RxFrame += ifc.RxFrame + total.RxCompressed += ifc.RxCompressed + total.RxMulticast += ifc.RxMulticast + total.TxBytes += ifc.TxBytes + total.TxPackets += ifc.TxPackets + total.TxErrors += ifc.TxErrors + total.TxDropped += ifc.TxDropped + total.TxFIFO += ifc.TxFIFO + total.TxCollisions += ifc.TxCollisions + total.TxCarrier += ifc.TxCarrier + total.TxCompressed += ifc.TxCompressed + } + sort.Strings(names) + total.Name = strings.Join(names, ", ") + + return total +} diff --git a/constraint/vendor/github.com/prometheus/procfs/net_sockstat.go b/constraint/vendor/github.com/prometheus/procfs/net_sockstat.go new file mode 100644 index 000000000..f91ef5523 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/net_sockstat.go @@ -0,0 +1,163 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "errors" + "fmt" + "io" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// A NetSockstat contains the output of /proc/net/sockstat{,6} for IPv4 or IPv6, +// respectively. +type NetSockstat struct { + // Used is non-nil for IPv4 sockstat results, but nil for IPv6. + Used *int + Protocols []NetSockstatProtocol +} + +// A NetSockstatProtocol contains statistics about a given socket protocol. +// Pointer fields indicate that the value may or may not be present on any +// given protocol. +type NetSockstatProtocol struct { + Protocol string + InUse int + Orphan *int + TW *int + Alloc *int + Mem *int + Memory *int +} + +// NetSockstat retrieves IPv4 socket statistics. +func (fs FS) NetSockstat() (*NetSockstat, error) { + return readSockstat(fs.proc.Path("net", "sockstat")) +} + +// NetSockstat6 retrieves IPv6 socket statistics. +// +// If IPv6 is disabled on this kernel, the returned error can be checked with +// os.IsNotExist. +func (fs FS) NetSockstat6() (*NetSockstat, error) { + return readSockstat(fs.proc.Path("net", "sockstat6")) +} + +// readSockstat opens and parses a NetSockstat from the input file. +func readSockstat(name string) (*NetSockstat, error) { + // This file is small and can be read with one syscall. + b, err := util.ReadFileNoStat(name) + if err != nil { + // Do not wrap this error so the caller can detect os.IsNotExist and + // similar conditions. + return nil, err + } + + stat, err := parseSockstat(bytes.NewReader(b)) + if err != nil { + return nil, fmt.Errorf("failed to read sockstats from %q: %v", name, err) + } + + return stat, nil +} + +// parseSockstat reads the contents of a sockstat file and parses a NetSockstat. +func parseSockstat(r io.Reader) (*NetSockstat, error) { + var stat NetSockstat + s := bufio.NewScanner(r) + for s.Scan() { + // Expect a minimum of a protocol and one key/value pair. + fields := strings.Split(s.Text(), " ") + if len(fields) < 3 { + return nil, fmt.Errorf("malformed sockstat line: %q", s.Text()) + } + + // The remaining fields are key/value pairs. + kvs, err := parseSockstatKVs(fields[1:]) + if err != nil { + return nil, fmt.Errorf("error parsing sockstat key/value pairs from %q: %v", s.Text(), err) + } + + // The first field is the protocol. We must trim its colon suffix. + proto := strings.TrimSuffix(fields[0], ":") + switch proto { + case "sockets": + // Special case: IPv4 has a sockets "used" key/value pair that we + // embed at the top level of the structure. + used := kvs["used"] + stat.Used = &used + default: + // Parse all other lines as individual protocols. + nsp := parseSockstatProtocol(kvs) + nsp.Protocol = proto + stat.Protocols = append(stat.Protocols, nsp) + } + } + + if err := s.Err(); err != nil { + return nil, err + } + + return &stat, nil +} + +// parseSockstatKVs parses a string slice into a map of key/value pairs. +func parseSockstatKVs(kvs []string) (map[string]int, error) { + if len(kvs)%2 != 0 { + return nil, errors.New("odd number of fields in key/value pairs") + } + + // Iterate two values at a time to gather key/value pairs. + out := make(map[string]int, len(kvs)/2) + for i := 0; i < len(kvs); i += 2 { + vp := util.NewValueParser(kvs[i+1]) + out[kvs[i]] = vp.Int() + + if err := vp.Err(); err != nil { + return nil, err + } + } + + return out, nil +} + +// parseSockstatProtocol parses a NetSockstatProtocol from the input kvs map. +func parseSockstatProtocol(kvs map[string]int) NetSockstatProtocol { + var nsp NetSockstatProtocol + for k, v := range kvs { + // Capture the range variable to ensure we get unique pointers for + // each of the optional fields. + v := v + switch k { + case "inuse": + nsp.InUse = v + case "orphan": + nsp.Orphan = &v + case "tw": + nsp.TW = &v + case "alloc": + nsp.Alloc = &v + case "mem": + nsp.Mem = &v + case "memory": + nsp.Memory = &v + } + } + + return nsp +} diff --git a/constraint/vendor/github.com/prometheus/procfs/net_softnet.go b/constraint/vendor/github.com/prometheus/procfs/net_softnet.go new file mode 100644 index 000000000..db5debdf4 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/net_softnet.go @@ -0,0 +1,102 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// For the proc file format details, +// See: +// * Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2343 +// * Linux 4.17 https://elixir.bootlin.com/linux/v4.17/source/net/core/net-procfs.c#L162 +// and https://elixir.bootlin.com/linux/v4.17/source/include/linux/netdevice.h#L2810. + +// SoftnetStat contains a single row of data from /proc/net/softnet_stat +type SoftnetStat struct { + // Number of processed packets + Processed uint32 + // Number of dropped packets + Dropped uint32 + // Number of times processing packets ran out of quota + TimeSqueezed uint32 +} + +var softNetProcFile = "net/softnet_stat" + +// NetSoftnetStat reads data from /proc/net/softnet_stat. +func (fs FS) NetSoftnetStat() ([]SoftnetStat, error) { + b, err := util.ReadFileNoStat(fs.proc.Path(softNetProcFile)) + if err != nil { + return nil, err + } + + entries, err := parseSoftnet(bytes.NewReader(b)) + if err != nil { + return nil, fmt.Errorf("failed to parse /proc/net/softnet_stat: %v", err) + } + + return entries, nil +} + +func parseSoftnet(r io.Reader) ([]SoftnetStat, error) { + const minColumns = 9 + + s := bufio.NewScanner(r) + + var stats []SoftnetStat + for s.Scan() { + columns := strings.Fields(s.Text()) + width := len(columns) + + if width < minColumns { + return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns) + } + + // We only parse the first three columns at the moment. + us, err := parseHexUint32s(columns[0:3]) + if err != nil { + return nil, err + } + + stats = append(stats, SoftnetStat{ + Processed: us[0], + Dropped: us[1], + TimeSqueezed: us[2], + }) + } + + return stats, nil +} + +func parseHexUint32s(ss []string) ([]uint32, error) { + us := make([]uint32, 0, len(ss)) + for _, s := range ss { + u, err := strconv.ParseUint(s, 16, 32) + if err != nil { + return nil, err + } + + us = append(us, uint32(u)) + } + + return us, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/net_udp.go b/constraint/vendor/github.com/prometheus/procfs/net_udp.go new file mode 100644 index 000000000..d017e3f18 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/net_udp.go @@ -0,0 +1,229 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "encoding/hex" + "fmt" + "io" + "net" + "os" + "strconv" + "strings" +) + +const ( + // readLimit is used by io.LimitReader while reading the content of the + // /proc/net/udp{,6} files. The number of lines inside such a file is dynamic + // as each line represents a single used socket. + // In theory, the number of available sockets is 65535 (2^16 - 1) per IP. + // With e.g. 150 Byte per line and the maximum number of 65535, + // the reader needs to handle 150 Byte * 65535 =~ 10 MB for a single IP. + readLimit = 4294967296 // Byte -> 4 GiB +) + +type ( + // NetUDP represents the contents of /proc/net/udp{,6} file without the header. + NetUDP []*netUDPLine + + // NetUDPSummary provides already computed values like the total queue lengths or + // the total number of used sockets. In contrast to NetUDP it does not collect + // the parsed lines into a slice. + NetUDPSummary struct { + // TxQueueLength shows the total queue length of all parsed tx_queue lengths. + TxQueueLength uint64 + // RxQueueLength shows the total queue length of all parsed rx_queue lengths. + RxQueueLength uint64 + // UsedSockets shows the total number of parsed lines representing the + // number of used sockets. + UsedSockets uint64 + } + + // netUDPLine represents the fields parsed from a single line + // in /proc/net/udp{,6}. Fields which are not used by UDP are skipped. + // For the proc file format details, see https://linux.die.net/man/5/proc. + netUDPLine struct { + Sl uint64 + LocalAddr net.IP + LocalPort uint64 + RemAddr net.IP + RemPort uint64 + St uint64 + TxQueue uint64 + RxQueue uint64 + UID uint64 + } +) + +// NetUDP returns the IPv4 kernel/networking statistics for UDP datagrams +// read from /proc/net/udp. +func (fs FS) NetUDP() (NetUDP, error) { + return newNetUDP(fs.proc.Path("net/udp")) +} + +// NetUDP6 returns the IPv6 kernel/networking statistics for UDP datagrams +// read from /proc/net/udp6. +func (fs FS) NetUDP6() (NetUDP, error) { + return newNetUDP(fs.proc.Path("net/udp6")) +} + +// NetUDPSummary returns already computed statistics like the total queue lengths +// for UDP datagrams read from /proc/net/udp. +func (fs FS) NetUDPSummary() (*NetUDPSummary, error) { + return newNetUDPSummary(fs.proc.Path("net/udp")) +} + +// NetUDP6Summary returns already computed statistics like the total queue lengths +// for UDP datagrams read from /proc/net/udp6. +func (fs FS) NetUDP6Summary() (*NetUDPSummary, error) { + return newNetUDPSummary(fs.proc.Path("net/udp6")) +} + +// newNetUDP creates a new NetUDP{,6} from the contents of the given file. +func newNetUDP(file string) (NetUDP, error) { + f, err := os.Open(file) + if err != nil { + return nil, err + } + defer f.Close() + + netUDP := NetUDP{} + + lr := io.LimitReader(f, readLimit) + s := bufio.NewScanner(lr) + s.Scan() // skip first line with headers + for s.Scan() { + fields := strings.Fields(s.Text()) + line, err := parseNetUDPLine(fields) + if err != nil { + return nil, err + } + netUDP = append(netUDP, line) + } + if err := s.Err(); err != nil { + return nil, err + } + return netUDP, nil +} + +// newNetUDPSummary creates a new NetUDP{,6} from the contents of the given file. +func newNetUDPSummary(file string) (*NetUDPSummary, error) { + f, err := os.Open(file) + if err != nil { + return nil, err + } + defer f.Close() + + netUDPSummary := &NetUDPSummary{} + + lr := io.LimitReader(f, readLimit) + s := bufio.NewScanner(lr) + s.Scan() // skip first line with headers + for s.Scan() { + fields := strings.Fields(s.Text()) + line, err := parseNetUDPLine(fields) + if err != nil { + return nil, err + } + netUDPSummary.TxQueueLength += line.TxQueue + netUDPSummary.RxQueueLength += line.RxQueue + netUDPSummary.UsedSockets++ + } + if err := s.Err(); err != nil { + return nil, err + } + return netUDPSummary, nil +} + +// parseNetUDPLine parses a single line, represented by a list of fields. +func parseNetUDPLine(fields []string) (*netUDPLine, error) { + line := &netUDPLine{} + if len(fields) < 8 { + return nil, fmt.Errorf( + "cannot parse net udp socket line as it has less then 8 columns: %s", + strings.Join(fields, " "), + ) + } + var err error // parse error + + // sl + s := strings.Split(fields[0], ":") + if len(s) != 2 { + return nil, fmt.Errorf( + "cannot parse sl field in udp socket line: %s", fields[0]) + } + + if line.Sl, err = strconv.ParseUint(s[0], 0, 64); err != nil { + return nil, fmt.Errorf("cannot parse sl value in udp socket line: %s", err) + } + // local_address + l := strings.Split(fields[1], ":") + if len(l) != 2 { + return nil, fmt.Errorf( + "cannot parse local_address field in udp socket line: %s", fields[1]) + } + if line.LocalAddr, err = hex.DecodeString(l[0]); err != nil { + return nil, fmt.Errorf( + "cannot parse local_address value in udp socket line: %s", err) + } + if line.LocalPort, err = strconv.ParseUint(l[1], 16, 64); err != nil { + return nil, fmt.Errorf( + "cannot parse local_address port value in udp socket line: %s", err) + } + + // remote_address + r := strings.Split(fields[2], ":") + if len(r) != 2 { + return nil, fmt.Errorf( + "cannot parse rem_address field in udp socket line: %s", fields[1]) + } + if line.RemAddr, err = hex.DecodeString(r[0]); err != nil { + return nil, fmt.Errorf( + "cannot parse rem_address value in udp socket line: %s", err) + } + if line.RemPort, err = strconv.ParseUint(r[1], 16, 64); err != nil { + return nil, fmt.Errorf( + "cannot parse rem_address port value in udp socket line: %s", err) + } + + // st + if line.St, err = strconv.ParseUint(fields[3], 16, 64); err != nil { + return nil, fmt.Errorf( + "cannot parse st value in udp socket line: %s", err) + } + + // tx_queue and rx_queue + q := strings.Split(fields[4], ":") + if len(q) != 2 { + return nil, fmt.Errorf( + "cannot parse tx/rx queues in udp socket line as it has a missing colon: %s", + fields[4], + ) + } + if line.TxQueue, err = strconv.ParseUint(q[0], 16, 64); err != nil { + return nil, fmt.Errorf("cannot parse tx_queue value in udp socket line: %s", err) + } + if line.RxQueue, err = strconv.ParseUint(q[1], 16, 64); err != nil { + return nil, fmt.Errorf("cannot parse rx_queue value in udp socket line: %s", err) + } + + // uid + if line.UID, err = strconv.ParseUint(fields[7], 0, 64); err != nil { + return nil, fmt.Errorf( + "cannot parse uid value in udp socket line: %s", err) + } + + return line, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/net_unix.go b/constraint/vendor/github.com/prometheus/procfs/net_unix.go new file mode 100644 index 000000000..c55b4b18e --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/net_unix.go @@ -0,0 +1,257 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "fmt" + "io" + "os" + "strconv" + "strings" +) + +// For the proc file format details, +// see https://elixir.bootlin.com/linux/v4.17/source/net/unix/af_unix.c#L2815 +// and https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/net.h#L48. + +// Constants for the various /proc/net/unix enumerations. +// TODO: match against x/sys/unix or similar? +const ( + netUnixTypeStream = 1 + netUnixTypeDgram = 2 + netUnixTypeSeqpacket = 5 + + netUnixFlagDefault = 0 + netUnixFlagListen = 1 << 16 + + netUnixStateUnconnected = 1 + netUnixStateConnecting = 2 + netUnixStateConnected = 3 + netUnixStateDisconnected = 4 +) + +// NetUNIXType is the type of the type field. +type NetUNIXType uint64 + +// NetUNIXFlags is the type of the flags field. +type NetUNIXFlags uint64 + +// NetUNIXState is the type of the state field. +type NetUNIXState uint64 + +// NetUNIXLine represents a line of /proc/net/unix. +type NetUNIXLine struct { + KernelPtr string + RefCount uint64 + Protocol uint64 + Flags NetUNIXFlags + Type NetUNIXType + State NetUNIXState + Inode uint64 + Path string +} + +// NetUNIX holds the data read from /proc/net/unix. +type NetUNIX struct { + Rows []*NetUNIXLine +} + +// NetUNIX returns data read from /proc/net/unix. +func (fs FS) NetUNIX() (*NetUNIX, error) { + return readNetUNIX(fs.proc.Path("net/unix")) +} + +// readNetUNIX reads data in /proc/net/unix format from the specified file. +func readNetUNIX(file string) (*NetUNIX, error) { + // This file could be quite large and a streaming read is desirable versus + // reading the entire contents at once. + f, err := os.Open(file) + if err != nil { + return nil, err + } + defer f.Close() + + return parseNetUNIX(f) +} + +// parseNetUNIX creates a NetUnix structure from the incoming stream. +func parseNetUNIX(r io.Reader) (*NetUNIX, error) { + // Begin scanning by checking for the existence of Inode. + s := bufio.NewScanner(r) + s.Scan() + + // From the man page of proc(5), it does not contain an Inode field, + // but in actually it exists. This code works for both cases. + hasInode := strings.Contains(s.Text(), "Inode") + + // Expect a minimum number of fields, but Inode and Path are optional: + // Num RefCount Protocol Flags Type St Inode Path + minFields := 6 + if hasInode { + minFields++ + } + + var nu NetUNIX + for s.Scan() { + line := s.Text() + item, err := nu.parseLine(line, hasInode, minFields) + if err != nil { + return nil, fmt.Errorf("failed to parse /proc/net/unix data %q: %v", line, err) + } + + nu.Rows = append(nu.Rows, item) + } + + if err := s.Err(); err != nil { + return nil, fmt.Errorf("failed to scan /proc/net/unix data: %v", err) + } + + return &nu, nil +} + +func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine, error) { + fields := strings.Fields(line) + + l := len(fields) + if l < min { + return nil, fmt.Errorf("expected at least %d fields but got %d", min, l) + } + + // Field offsets are as follows: + // Num RefCount Protocol Flags Type St Inode Path + + kernelPtr := strings.TrimSuffix(fields[0], ":") + + users, err := u.parseUsers(fields[1]) + if err != nil { + return nil, fmt.Errorf("failed to parse ref count(%s): %v", fields[1], err) + } + + flags, err := u.parseFlags(fields[3]) + if err != nil { + return nil, fmt.Errorf("failed to parse flags(%s): %v", fields[3], err) + } + + typ, err := u.parseType(fields[4]) + if err != nil { + return nil, fmt.Errorf("failed to parse type(%s): %v", fields[4], err) + } + + state, err := u.parseState(fields[5]) + if err != nil { + return nil, fmt.Errorf("failed to parse state(%s): %v", fields[5], err) + } + + var inode uint64 + if hasInode { + inode, err = u.parseInode(fields[6]) + if err != nil { + return nil, fmt.Errorf("failed to parse inode(%s): %v", fields[6], err) + } + } + + n := &NetUNIXLine{ + KernelPtr: kernelPtr, + RefCount: users, + Type: typ, + Flags: flags, + State: state, + Inode: inode, + } + + // Path field is optional. + if l > min { + // Path occurs at either index 6 or 7 depending on whether inode is + // already present. + pathIdx := 7 + if !hasInode { + pathIdx-- + } + + n.Path = fields[pathIdx] + } + + return n, nil +} + +func (u NetUNIX) parseUsers(s string) (uint64, error) { + return strconv.ParseUint(s, 16, 32) +} + +func (u NetUNIX) parseType(s string) (NetUNIXType, error) { + typ, err := strconv.ParseUint(s, 16, 16) + if err != nil { + return 0, err + } + + return NetUNIXType(typ), nil +} + +func (u NetUNIX) parseFlags(s string) (NetUNIXFlags, error) { + flags, err := strconv.ParseUint(s, 16, 32) + if err != nil { + return 0, err + } + + return NetUNIXFlags(flags), nil +} + +func (u NetUNIX) parseState(s string) (NetUNIXState, error) { + st, err := strconv.ParseInt(s, 16, 8) + if err != nil { + return 0, err + } + + return NetUNIXState(st), nil +} + +func (u NetUNIX) parseInode(s string) (uint64, error) { + return strconv.ParseUint(s, 10, 64) +} + +func (t NetUNIXType) String() string { + switch t { + case netUnixTypeStream: + return "stream" + case netUnixTypeDgram: + return "dgram" + case netUnixTypeSeqpacket: + return "seqpacket" + } + return "unknown" +} + +func (f NetUNIXFlags) String() string { + switch f { + case netUnixFlagListen: + return "listen" + default: + return "default" + } +} + +func (s NetUNIXState) String() string { + switch s { + case netUnixStateUnconnected: + return "unconnected" + case netUnixStateConnecting: + return "connecting" + case netUnixStateConnected: + return "connected" + case netUnixStateDisconnected: + return "disconnected" + } + return "unknown" +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc.go b/constraint/vendor/github.com/prometheus/procfs/proc.go new file mode 100644 index 000000000..9f97b6e52 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc.go @@ -0,0 +1,319 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bytes" + "fmt" + "io/ioutil" + "os" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/fs" + "github.com/prometheus/procfs/internal/util" +) + +// Proc provides information about a running process. +type Proc struct { + // The process ID. + PID int + + fs fs.FS +} + +// Procs represents a list of Proc structs. +type Procs []Proc + +func (p Procs) Len() int { return len(p) } +func (p Procs) Swap(i, j int) { p[i], p[j] = p[j], p[i] } +func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID } + +// Self returns a process for the current process read via /proc/self. +func Self() (Proc, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Proc{}, err + } + return fs.Self() +} + +// NewProc returns a process for the given pid under /proc. +func NewProc(pid int) (Proc, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Proc{}, err + } + return fs.Proc(pid) +} + +// AllProcs returns a list of all currently available processes under /proc. +func AllProcs() (Procs, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Procs{}, err + } + return fs.AllProcs() +} + +// Self returns a process for the current process. +func (fs FS) Self() (Proc, error) { + p, err := os.Readlink(fs.proc.Path("self")) + if err != nil { + return Proc{}, err + } + pid, err := strconv.Atoi(strings.Replace(p, string(fs.proc), "", -1)) + if err != nil { + return Proc{}, err + } + return fs.Proc(pid) +} + +// NewProc returns a process for the given pid. +// +// Deprecated: use fs.Proc() instead +func (fs FS) NewProc(pid int) (Proc, error) { + return fs.Proc(pid) +} + +// Proc returns a process for the given pid. +func (fs FS) Proc(pid int) (Proc, error) { + if _, err := os.Stat(fs.proc.Path(strconv.Itoa(pid))); err != nil { + return Proc{}, err + } + return Proc{PID: pid, fs: fs.proc}, nil +} + +// AllProcs returns a list of all currently available processes. +func (fs FS) AllProcs() (Procs, error) { + d, err := os.Open(fs.proc.Path()) + if err != nil { + return Procs{}, err + } + defer d.Close() + + names, err := d.Readdirnames(-1) + if err != nil { + return Procs{}, fmt.Errorf("could not read %s: %s", d.Name(), err) + } + + p := Procs{} + for _, n := range names { + pid, err := strconv.ParseInt(n, 10, 64) + if err != nil { + continue + } + p = append(p, Proc{PID: int(pid), fs: fs.proc}) + } + + return p, nil +} + +// CmdLine returns the command line of a process. +func (p Proc) CmdLine() ([]string, error) { + data, err := util.ReadFileNoStat(p.path("cmdline")) + if err != nil { + return nil, err + } + + if len(data) < 1 { + return []string{}, nil + } + + return strings.Split(string(bytes.TrimRight(data, string("\x00"))), string(byte(0))), nil +} + +// Wchan returns the wchan (wait channel) of a process. +func (p Proc) Wchan() (string, error) { + f, err := os.Open(p.path("wchan")) + if err != nil { + return "", err + } + defer f.Close() + + data, err := ioutil.ReadAll(f) + if err != nil { + return "", err + } + + wchan := string(data) + if wchan == "" || wchan == "0" { + return "", nil + } + + return wchan, nil +} + +// Comm returns the command name of a process. +func (p Proc) Comm() (string, error) { + data, err := util.ReadFileNoStat(p.path("comm")) + if err != nil { + return "", err + } + + return strings.TrimSpace(string(data)), nil +} + +// Executable returns the absolute path of the executable command of a process. +func (p Proc) Executable() (string, error) { + exe, err := os.Readlink(p.path("exe")) + if os.IsNotExist(err) { + return "", nil + } + + return exe, err +} + +// Cwd returns the absolute path to the current working directory of the process. +func (p Proc) Cwd() (string, error) { + wd, err := os.Readlink(p.path("cwd")) + if os.IsNotExist(err) { + return "", nil + } + + return wd, err +} + +// RootDir returns the absolute path to the process's root directory (as set by chroot) +func (p Proc) RootDir() (string, error) { + rdir, err := os.Readlink(p.path("root")) + if os.IsNotExist(err) { + return "", nil + } + + return rdir, err +} + +// FileDescriptors returns the currently open file descriptors of a process. +func (p Proc) FileDescriptors() ([]uintptr, error) { + names, err := p.fileDescriptors() + if err != nil { + return nil, err + } + + fds := make([]uintptr, len(names)) + for i, n := range names { + fd, err := strconv.ParseInt(n, 10, 32) + if err != nil { + return nil, fmt.Errorf("could not parse fd %s: %s", n, err) + } + fds[i] = uintptr(fd) + } + + return fds, nil +} + +// FileDescriptorTargets returns the targets of all file descriptors of a process. +// If a file descriptor is not a symlink to a file (like a socket), that value will be the empty string. +func (p Proc) FileDescriptorTargets() ([]string, error) { + names, err := p.fileDescriptors() + if err != nil { + return nil, err + } + + targets := make([]string, len(names)) + + for i, name := range names { + target, err := os.Readlink(p.path("fd", name)) + if err == nil { + targets[i] = target + } + } + + return targets, nil +} + +// FileDescriptorsLen returns the number of currently open file descriptors of +// a process. +func (p Proc) FileDescriptorsLen() (int, error) { + fds, err := p.fileDescriptors() + if err != nil { + return 0, err + } + + return len(fds), nil +} + +// MountStats retrieves statistics and configuration for mount points in a +// process's namespace. +func (p Proc) MountStats() ([]*Mount, error) { + f, err := os.Open(p.path("mountstats")) + if err != nil { + return nil, err + } + defer f.Close() + + return parseMountStats(f) +} + +// MountInfo retrieves mount information for mount points in a +// process's namespace. +// It supplies information missing in `/proc/self/mounts` and +// fixes various other problems with that file too. +func (p Proc) MountInfo() ([]*MountInfo, error) { + data, err := util.ReadFileNoStat(p.path("mountinfo")) + if err != nil { + return nil, err + } + return parseMountInfo(data) +} + +func (p Proc) fileDescriptors() ([]string, error) { + d, err := os.Open(p.path("fd")) + if err != nil { + return nil, err + } + defer d.Close() + + names, err := d.Readdirnames(-1) + if err != nil { + return nil, fmt.Errorf("could not read %s: %s", d.Name(), err) + } + + return names, nil +} + +func (p Proc) path(pa ...string) string { + return p.fs.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...) +} + +// FileDescriptorsInfo retrieves information about all file descriptors of +// the process. +func (p Proc) FileDescriptorsInfo() (ProcFDInfos, error) { + names, err := p.fileDescriptors() + if err != nil { + return nil, err + } + + var fdinfos ProcFDInfos + + for _, n := range names { + fdinfo, err := p.FDInfo(n) + if err != nil { + continue + } + fdinfos = append(fdinfos, *fdinfo) + } + + return fdinfos, nil +} + +// Schedstat returns task scheduling information for the process. +func (p Proc) Schedstat() (ProcSchedstat, error) { + contents, err := ioutil.ReadFile(p.path("schedstat")) + if err != nil { + return ProcSchedstat{}, err + } + return parseProcSchedstat(string(contents)) +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_cgroup.go b/constraint/vendor/github.com/prometheus/procfs/proc_cgroup.go new file mode 100644 index 000000000..4abd46451 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_cgroup.go @@ -0,0 +1,98 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the the placement of a PID inside a +// specific control hierarchy. The kernel has two cgroup APIs, v1 and v2. v1 has one hierarchy per available resource +// controller, while v2 has one unified hierarchy shared by all controllers. Regardless of v1 or v2, all hierarchies +// contain all running processes, so the question answerable with a Cgroup struct is 'where is this process in +// this hierarchy' (where==what path on the specific cgroupfs). By prefixing this path with the mount point of +// *this specific* hierarchy, you can locate the relevant pseudo-files needed to read/set the data for this PID +// in this hierarchy +// +// Also see http://man7.org/linux/man-pages/man7/cgroups.7.html +type Cgroup struct { + // HierarchyID that can be matched to a named hierarchy using /proc/cgroups. Cgroups V2 only has one + // hierarchy, so HierarchyID is always 0. For cgroups v1 this is a unique ID number + HierarchyID int + // Controllers using this hierarchy of processes. Controllers are also known as subsystems. For + // Cgroups V2 this may be empty, as all active controllers use the same hierarchy + Controllers []string + // Path of this control group, relative to the mount point of the cgroupfs representing this specific + // hierarchy + Path string +} + +// parseCgroupString parses each line of the /proc/[pid]/cgroup file +// Line format is hierarchyID:[controller1,controller2]:path +func parseCgroupString(cgroupStr string) (*Cgroup, error) { + var err error + + fields := strings.Split(cgroupStr, ":") + if len(fields) < 3 { + return nil, fmt.Errorf("at least 3 fields required, found %d fields in cgroup string: %s", len(fields), cgroupStr) + } + + cgroup := &Cgroup{ + Path: fields[2], + Controllers: nil, + } + cgroup.HierarchyID, err = strconv.Atoi(fields[0]) + if err != nil { + return nil, fmt.Errorf("failed to parse hierarchy ID") + } + if fields[1] != "" { + ssNames := strings.Split(fields[1], ",") + cgroup.Controllers = append(cgroup.Controllers, ssNames...) + } + return cgroup, nil +} + +// parseCgroups reads each line of the /proc/[pid]/cgroup file +func parseCgroups(data []byte) ([]Cgroup, error) { + var cgroups []Cgroup + scanner := bufio.NewScanner(bytes.NewReader(data)) + for scanner.Scan() { + mountString := scanner.Text() + parsedMounts, err := parseCgroupString(mountString) + if err != nil { + return nil, err + } + cgroups = append(cgroups, *parsedMounts) + } + + err := scanner.Err() + return cgroups, err +} + +// Cgroups reads from /proc//cgroups and returns a []*Cgroup struct locating this PID in each process +// control hierarchy running on this system. On every system (v1 and v2), all hierarchies contain all processes, +// so the len of the returned struct is equal to the number of active hierarchies on this system +func (p Proc) Cgroups() ([]Cgroup, error) { + data, err := util.ReadFileNoStat(fmt.Sprintf("/proc/%d/cgroup", p.PID)) + if err != nil { + return nil, err + } + return parseCgroups(data) +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_environ.go b/constraint/vendor/github.com/prometheus/procfs/proc_environ.go new file mode 100644 index 000000000..6134b3580 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_environ.go @@ -0,0 +1,37 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Environ reads process environments from /proc//environ +func (p Proc) Environ() ([]string, error) { + environments := make([]string, 0) + + data, err := util.ReadFileNoStat(p.path("environ")) + if err != nil { + return environments, err + } + + environments = strings.Split(string(data), "\000") + if len(environments) > 0 { + environments = environments[:len(environments)-1] + } + + return environments, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_fdinfo.go b/constraint/vendor/github.com/prometheus/procfs/proc_fdinfo.go new file mode 100644 index 000000000..a76ca7079 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_fdinfo.go @@ -0,0 +1,133 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "errors" + "regexp" + + "github.com/prometheus/procfs/internal/util" +) + +// Regexp variables +var ( + rPos = regexp.MustCompile(`^pos:\s+(\d+)$`) + rFlags = regexp.MustCompile(`^flags:\s+(\d+)$`) + rMntID = regexp.MustCompile(`^mnt_id:\s+(\d+)$`) + rInotify = regexp.MustCompile(`^inotify`) + rInotifyParts = regexp.MustCompile(`^inotify\s+wd:([0-9a-f]+)\s+ino:([0-9a-f]+)\s+sdev:([0-9a-f]+)(?:\s+mask:([0-9a-f]+))?`) +) + +// ProcFDInfo contains represents file descriptor information. +type ProcFDInfo struct { + // File descriptor + FD string + // File offset + Pos string + // File access mode and status flags + Flags string + // Mount point ID + MntID string + // List of inotify lines (structured) in the fdinfo file (kernel 3.8+ only) + InotifyInfos []InotifyInfo +} + +// FDInfo constructor. On kernels older than 3.8, InotifyInfos will always be empty. +func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) { + data, err := util.ReadFileNoStat(p.path("fdinfo", fd)) + if err != nil { + return nil, err + } + + var text, pos, flags, mntid string + var inotify []InotifyInfo + + scanner := bufio.NewScanner(bytes.NewReader(data)) + for scanner.Scan() { + text = scanner.Text() + if rPos.MatchString(text) { + pos = rPos.FindStringSubmatch(text)[1] + } else if rFlags.MatchString(text) { + flags = rFlags.FindStringSubmatch(text)[1] + } else if rMntID.MatchString(text) { + mntid = rMntID.FindStringSubmatch(text)[1] + } else if rInotify.MatchString(text) { + newInotify, err := parseInotifyInfo(text) + if err != nil { + return nil, err + } + inotify = append(inotify, *newInotify) + } + } + + i := &ProcFDInfo{ + FD: fd, + Pos: pos, + Flags: flags, + MntID: mntid, + InotifyInfos: inotify, + } + + return i, nil +} + +// InotifyInfo represents a single inotify line in the fdinfo file. +type InotifyInfo struct { + // Watch descriptor number + WD string + // Inode number + Ino string + // Device ID + Sdev string + // Mask of events being monitored + Mask string +} + +// InotifyInfo constructor. Only available on kernel 3.8+. +func parseInotifyInfo(line string) (*InotifyInfo, error) { + m := rInotifyParts.FindStringSubmatch(line) + if len(m) >= 4 { + var mask string + if len(m) == 5 { + mask = m[4] + } + i := &InotifyInfo{ + WD: m[1], + Ino: m[2], + Sdev: m[3], + Mask: mask, + } + return i, nil + } + return nil, errors.New("invalid inode entry: " + line) +} + +// ProcFDInfos represents a list of ProcFDInfo structs. +type ProcFDInfos []ProcFDInfo + +func (p ProcFDInfos) Len() int { return len(p) } +func (p ProcFDInfos) Swap(i, j int) { p[i], p[j] = p[j], p[i] } +func (p ProcFDInfos) Less(i, j int) bool { return p[i].FD < p[j].FD } + +// InotifyWatchLen returns the total number of inotify watches +func (p ProcFDInfos) InotifyWatchLen() (int, error) { + length := 0 + for _, f := range p { + length += len(f.InotifyInfos) + } + + return length, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_io.go b/constraint/vendor/github.com/prometheus/procfs/proc_io.go new file mode 100644 index 000000000..776f34971 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_io.go @@ -0,0 +1,59 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "fmt" + + "github.com/prometheus/procfs/internal/util" +) + +// ProcIO models the content of /proc//io. +type ProcIO struct { + // Chars read. + RChar uint64 + // Chars written. + WChar uint64 + // Read syscalls. + SyscR uint64 + // Write syscalls. + SyscW uint64 + // Bytes read. + ReadBytes uint64 + // Bytes written. + WriteBytes uint64 + // Bytes written, but taking into account truncation. See + // Documentation/filesystems/proc.txt in the kernel sources for + // detailed explanation. + CancelledWriteBytes int64 +} + +// IO creates a new ProcIO instance from a given Proc instance. +func (p Proc) IO() (ProcIO, error) { + pio := ProcIO{} + + data, err := util.ReadFileNoStat(p.path("io")) + if err != nil { + return pio, err + } + + ioFormat := "rchar: %d\nwchar: %d\nsyscr: %d\nsyscw: %d\n" + + "read_bytes: %d\nwrite_bytes: %d\n" + + "cancelled_write_bytes: %d\n" + + _, err = fmt.Sscanf(string(data), ioFormat, &pio.RChar, &pio.WChar, &pio.SyscR, + &pio.SyscW, &pio.ReadBytes, &pio.WriteBytes, &pio.CancelledWriteBytes) + + return pio, err +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_limits.go b/constraint/vendor/github.com/prometheus/procfs/proc_limits.go new file mode 100644 index 000000000..91ee24df8 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_limits.go @@ -0,0 +1,157 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "fmt" + "os" + "regexp" + "strconv" +) + +// ProcLimits represents the soft limits for each of the process's resource +// limits. For more information see getrlimit(2): +// http://man7.org/linux/man-pages/man2/getrlimit.2.html. +type ProcLimits struct { + // CPU time limit in seconds. + CPUTime int64 + // Maximum size of files that the process may create. + FileSize int64 + // Maximum size of the process's data segment (initialized data, + // uninitialized data, and heap). + DataSize int64 + // Maximum size of the process stack in bytes. + StackSize int64 + // Maximum size of a core file. + CoreFileSize int64 + // Limit of the process's resident set in pages. + ResidentSet int64 + // Maximum number of processes that can be created for the real user ID of + // the calling process. + Processes int64 + // Value one greater than the maximum file descriptor number that can be + // opened by this process. + OpenFiles int64 + // Maximum number of bytes of memory that may be locked into RAM. + LockedMemory int64 + // Maximum size of the process's virtual memory address space in bytes. + AddressSpace int64 + // Limit on the combined number of flock(2) locks and fcntl(2) leases that + // this process may establish. + FileLocks int64 + // Limit of signals that may be queued for the real user ID of the calling + // process. + PendingSignals int64 + // Limit on the number of bytes that can be allocated for POSIX message + // queues for the real user ID of the calling process. + MsqqueueSize int64 + // Limit of the nice priority set using setpriority(2) or nice(2). + NicePriority int64 + // Limit of the real-time priority set using sched_setscheduler(2) or + // sched_setparam(2). + RealtimePriority int64 + // Limit (in microseconds) on the amount of CPU time that a process + // scheduled under a real-time scheduling policy may consume without making + // a blocking system call. + RealtimeTimeout int64 +} + +const ( + limitsFields = 3 + limitsUnlimited = "unlimited" +) + +var ( + limitsDelimiter = regexp.MustCompile(" +") +) + +// NewLimits returns the current soft limits of the process. +// +// Deprecated: use p.Limits() instead +func (p Proc) NewLimits() (ProcLimits, error) { + return p.Limits() +} + +// Limits returns the current soft limits of the process. +func (p Proc) Limits() (ProcLimits, error) { + f, err := os.Open(p.path("limits")) + if err != nil { + return ProcLimits{}, err + } + defer f.Close() + + var ( + l = ProcLimits{} + s = bufio.NewScanner(f) + ) + for s.Scan() { + fields := limitsDelimiter.Split(s.Text(), limitsFields) + if len(fields) != limitsFields { + return ProcLimits{}, fmt.Errorf( + "couldn't parse %s line %s", f.Name(), s.Text()) + } + + switch fields[0] { + case "Max cpu time": + l.CPUTime, err = parseInt(fields[1]) + case "Max file size": + l.FileSize, err = parseInt(fields[1]) + case "Max data size": + l.DataSize, err = parseInt(fields[1]) + case "Max stack size": + l.StackSize, err = parseInt(fields[1]) + case "Max core file size": + l.CoreFileSize, err = parseInt(fields[1]) + case "Max resident set": + l.ResidentSet, err = parseInt(fields[1]) + case "Max processes": + l.Processes, err = parseInt(fields[1]) + case "Max open files": + l.OpenFiles, err = parseInt(fields[1]) + case "Max locked memory": + l.LockedMemory, err = parseInt(fields[1]) + case "Max address space": + l.AddressSpace, err = parseInt(fields[1]) + case "Max file locks": + l.FileLocks, err = parseInt(fields[1]) + case "Max pending signals": + l.PendingSignals, err = parseInt(fields[1]) + case "Max msgqueue size": + l.MsqqueueSize, err = parseInt(fields[1]) + case "Max nice priority": + l.NicePriority, err = parseInt(fields[1]) + case "Max realtime priority": + l.RealtimePriority, err = parseInt(fields[1]) + case "Max realtime timeout": + l.RealtimeTimeout, err = parseInt(fields[1]) + } + if err != nil { + return ProcLimits{}, err + } + } + + return l, s.Err() +} + +func parseInt(s string) (int64, error) { + if s == limitsUnlimited { + return -1, nil + } + i, err := strconv.ParseInt(s, 10, 64) + if err != nil { + return 0, fmt.Errorf("couldn't parse value %s: %s", s, err) + } + return i, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_maps.go b/constraint/vendor/github.com/prometheus/procfs/proc_maps.go new file mode 100644 index 000000000..1d7772d51 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_maps.go @@ -0,0 +1,209 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris + +package procfs + +import ( + "bufio" + "fmt" + "os" + "strconv" + "strings" + + "golang.org/x/sys/unix" +) + +// ProcMapPermissions contains permission settings read from /proc/[pid]/maps +type ProcMapPermissions struct { + // mapping has the [R]ead flag set + Read bool + // mapping has the [W]rite flag set + Write bool + // mapping has the [X]ecutable flag set + Execute bool + // mapping has the [S]hared flag set + Shared bool + // mapping is marked as [P]rivate (copy on write) + Private bool +} + +// ProcMap contains the process memory-mappings of the process, +// read from /proc/[pid]/maps +type ProcMap struct { + // The start address of current mapping. + StartAddr uintptr + // The end address of the current mapping + EndAddr uintptr + // The permissions for this mapping + Perms *ProcMapPermissions + // The current offset into the file/fd (e.g., shared libs) + Offset int64 + // Device owner of this mapping (major:minor) in Mkdev format. + Dev uint64 + // The inode of the device above + Inode uint64 + // The file or psuedofile (or empty==anonymous) + Pathname string +} + +// parseDevice parses the device token of a line and converts it to a dev_t +// (mkdev) like structure. +func parseDevice(s string) (uint64, error) { + toks := strings.Split(s, ":") + if len(toks) < 2 { + return 0, fmt.Errorf("unexpected number of fields") + } + + major, err := strconv.ParseUint(toks[0], 16, 0) + if err != nil { + return 0, err + } + + minor, err := strconv.ParseUint(toks[1], 16, 0) + if err != nil { + return 0, err + } + + return unix.Mkdev(uint32(major), uint32(minor)), nil +} + +// parseAddress just converts a hex-string to a uintptr +func parseAddress(s string) (uintptr, error) { + a, err := strconv.ParseUint(s, 16, 0) + if err != nil { + return 0, err + } + + return uintptr(a), nil +} + +// parseAddresses parses the start-end address +func parseAddresses(s string) (uintptr, uintptr, error) { + toks := strings.Split(s, "-") + if len(toks) < 2 { + return 0, 0, fmt.Errorf("invalid address") + } + + saddr, err := parseAddress(toks[0]) + if err != nil { + return 0, 0, err + } + + eaddr, err := parseAddress(toks[1]) + if err != nil { + return 0, 0, err + } + + return saddr, eaddr, nil +} + +// parsePermissions parses a token and returns any that are set. +func parsePermissions(s string) (*ProcMapPermissions, error) { + if len(s) < 4 { + return nil, fmt.Errorf("invalid permissions token") + } + + perms := ProcMapPermissions{} + for _, ch := range s { + switch ch { + case 'r': + perms.Read = true + case 'w': + perms.Write = true + case 'x': + perms.Execute = true + case 'p': + perms.Private = true + case 's': + perms.Shared = true + } + } + + return &perms, nil +} + +// parseProcMap will attempt to parse a single line within a proc/[pid]/maps +// buffer. +func parseProcMap(text string) (*ProcMap, error) { + fields := strings.Fields(text) + if len(fields) < 5 { + return nil, fmt.Errorf("truncated procmap entry") + } + + saddr, eaddr, err := parseAddresses(fields[0]) + if err != nil { + return nil, err + } + + perms, err := parsePermissions(fields[1]) + if err != nil { + return nil, err + } + + offset, err := strconv.ParseInt(fields[2], 16, 0) + if err != nil { + return nil, err + } + + device, err := parseDevice(fields[3]) + if err != nil { + return nil, err + } + + inode, err := strconv.ParseUint(fields[4], 10, 0) + if err != nil { + return nil, err + } + + pathname := "" + + if len(fields) >= 5 { + pathname = strings.Join(fields[5:], " ") + } + + return &ProcMap{ + StartAddr: saddr, + EndAddr: eaddr, + Perms: perms, + Offset: offset, + Dev: device, + Inode: inode, + Pathname: pathname, + }, nil +} + +// ProcMaps reads from /proc/[pid]/maps to get the memory-mappings of the +// process. +func (p Proc) ProcMaps() ([]*ProcMap, error) { + file, err := os.Open(p.path("maps")) + if err != nil { + return nil, err + } + defer file.Close() + + maps := []*ProcMap{} + scan := bufio.NewScanner(file) + + for scan.Scan() { + m, err := parseProcMap(scan.Text()) + if err != nil { + return nil, err + } + + maps = append(maps, m) + } + + return maps, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_ns.go b/constraint/vendor/github.com/prometheus/procfs/proc_ns.go new file mode 100644 index 000000000..c66740ff7 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_ns.go @@ -0,0 +1,68 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "fmt" + "os" + "strconv" + "strings" +) + +// Namespace represents a single namespace of a process. +type Namespace struct { + Type string // Namespace type. + Inode uint32 // Inode number of the namespace. If two processes are in the same namespace their inodes will match. +} + +// Namespaces contains all of the namespaces that the process is contained in. +type Namespaces map[string]Namespace + +// Namespaces reads from /proc//ns/* to get the namespaces of which the +// process is a member. +func (p Proc) Namespaces() (Namespaces, error) { + d, err := os.Open(p.path("ns")) + if err != nil { + return nil, err + } + defer d.Close() + + names, err := d.Readdirnames(-1) + if err != nil { + return nil, fmt.Errorf("failed to read contents of ns dir: %v", err) + } + + ns := make(Namespaces, len(names)) + for _, name := range names { + target, err := os.Readlink(p.path("ns", name)) + if err != nil { + return nil, err + } + + fields := strings.SplitN(target, ":", 2) + if len(fields) != 2 { + return nil, fmt.Errorf("failed to parse namespace type and inode from '%v'", target) + } + + typ := fields[0] + inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32) + if err != nil { + return nil, fmt.Errorf("failed to parse inode from '%v': %v", fields[1], err) + } + + ns[name] = Namespace{typ, uint32(inode)} + } + + return ns, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_psi.go b/constraint/vendor/github.com/prometheus/procfs/proc_psi.go new file mode 100644 index 000000000..0d7bee54c --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_psi.go @@ -0,0 +1,100 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +// The PSI / pressure interface is described at +// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/accounting/psi.txt +// Each resource (cpu, io, memory, ...) is exposed as a single file. +// Each file may contain up to two lines, one for "some" pressure and one for "full" pressure. +// Each line contains several averages (over n seconds) and a total in µs. +// +// Example io pressure file: +// > some avg10=0.06 avg60=0.21 avg300=0.99 total=8537362 +// > full avg10=0.00 avg60=0.13 avg300=0.96 total=8183134 + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +const lineFormat = "avg10=%f avg60=%f avg300=%f total=%d" + +// PSILine is a single line of values as returned by /proc/pressure/* +// The Avg entries are averages over n seconds, as a percentage +// The Total line is in microseconds +type PSILine struct { + Avg10 float64 + Avg60 float64 + Avg300 float64 + Total uint64 +} + +// PSIStats represent pressure stall information from /proc/pressure/* +// Some indicates the share of time in which at least some tasks are stalled +// Full indicates the share of time in which all non-idle tasks are stalled simultaneously +type PSIStats struct { + Some *PSILine + Full *PSILine +} + +// PSIStatsForResource reads pressure stall information for the specified +// resource from /proc/pressure/. At time of writing this can be +// either "cpu", "memory" or "io". +func (fs FS) PSIStatsForResource(resource string) (PSIStats, error) { + data, err := util.ReadFileNoStat(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource))) + if err != nil { + return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %s", resource) + } + + return parsePSIStats(resource, bytes.NewReader(data)) +} + +// parsePSIStats parses the specified file for pressure stall information +func parsePSIStats(resource string, r io.Reader) (PSIStats, error) { + psiStats := PSIStats{} + + scanner := bufio.NewScanner(r) + for scanner.Scan() { + l := scanner.Text() + prefix := strings.Split(l, " ")[0] + switch prefix { + case "some": + psi := PSILine{} + _, err := fmt.Sscanf(l, fmt.Sprintf("some %s", lineFormat), &psi.Avg10, &psi.Avg60, &psi.Avg300, &psi.Total) + if err != nil { + return PSIStats{}, err + } + psiStats.Some = &psi + case "full": + psi := PSILine{} + _, err := fmt.Sscanf(l, fmt.Sprintf("full %s", lineFormat), &psi.Avg10, &psi.Avg60, &psi.Avg300, &psi.Total) + if err != nil { + return PSIStats{}, err + } + psiStats.Full = &psi + default: + // If we encounter a line with an unknown prefix, ignore it and move on + // Should new measurement types be added in the future we'll simply ignore them instead + // of erroring on retrieval + continue + } + } + + return psiStats, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_smaps.go b/constraint/vendor/github.com/prometheus/procfs/proc_smaps.go new file mode 100644 index 000000000..a576a720a --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_smaps.go @@ -0,0 +1,165 @@ +// Copyright 2020 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows + +package procfs + +import ( + "bufio" + "errors" + "fmt" + "os" + "regexp" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +var ( + // match the header line before each mapped zone in /proc/pid/smaps + procSMapsHeaderLine = regexp.MustCompile(`^[a-f0-9].*$`) +) + +type ProcSMapsRollup struct { + // Amount of the mapping that is currently resident in RAM + Rss uint64 + // Process's proportional share of this mapping + Pss uint64 + // Size in bytes of clean shared pages + SharedClean uint64 + // Size in bytes of dirty shared pages + SharedDirty uint64 + // Size in bytes of clean private pages + PrivateClean uint64 + // Size in bytes of dirty private pages + PrivateDirty uint64 + // Amount of memory currently marked as referenced or accessed + Referenced uint64 + // Amount of memory that does not belong to any file + Anonymous uint64 + // Amount would-be-anonymous memory currently on swap + Swap uint64 + // Process's proportional memory on swap + SwapPss uint64 +} + +// ProcSMapsRollup reads from /proc/[pid]/smaps_rollup to get summed memory information of the +// process. +// +// If smaps_rollup does not exists (require kernel >= 4.15), the content of /proc/pid/smaps will +// we read and summed. +func (p Proc) ProcSMapsRollup() (ProcSMapsRollup, error) { + data, err := util.ReadFileNoStat(p.path("smaps_rollup")) + if err != nil && os.IsNotExist(err) { + return p.procSMapsRollupManual() + } + if err != nil { + return ProcSMapsRollup{}, err + } + + lines := strings.Split(string(data), "\n") + smaps := ProcSMapsRollup{} + + // skip first line which don't contains information we need + lines = lines[1:] + for _, line := range lines { + if line == "" { + continue + } + + if err := smaps.parseLine(line); err != nil { + return ProcSMapsRollup{}, err + } + } + + return smaps, nil +} + +// Read /proc/pid/smaps and do the roll-up in Go code. +func (p Proc) procSMapsRollupManual() (ProcSMapsRollup, error) { + file, err := os.Open(p.path("smaps")) + if err != nil { + return ProcSMapsRollup{}, err + } + defer file.Close() + + smaps := ProcSMapsRollup{} + scan := bufio.NewScanner(file) + + for scan.Scan() { + line := scan.Text() + + if procSMapsHeaderLine.MatchString(line) { + continue + } + + if err := smaps.parseLine(line); err != nil { + return ProcSMapsRollup{}, err + } + } + + return smaps, nil +} + +func (s *ProcSMapsRollup) parseLine(line string) error { + kv := strings.SplitN(line, ":", 2) + if len(kv) != 2 { + fmt.Println(line) + return errors.New("invalid net/dev line, missing colon") + } + + k := kv[0] + if k == "VmFlags" { + return nil + } + + v := strings.TrimSpace(kv[1]) + v = strings.TrimRight(v, " kB") + + vKBytes, err := strconv.ParseUint(v, 10, 64) + if err != nil { + return err + } + vBytes := vKBytes * 1024 + + s.addValue(k, v, vKBytes, vBytes) + + return nil +} + +func (s *ProcSMapsRollup) addValue(k string, vString string, vUint uint64, vUintBytes uint64) { + switch k { + case "Rss": + s.Rss += vUintBytes + case "Pss": + s.Pss += vUintBytes + case "Shared_Clean": + s.SharedClean += vUintBytes + case "Shared_Dirty": + s.SharedDirty += vUintBytes + case "Private_Clean": + s.PrivateClean += vUintBytes + case "Private_Dirty": + s.PrivateDirty += vUintBytes + case "Referenced": + s.Referenced += vUintBytes + case "Anonymous": + s.Anonymous += vUintBytes + case "Swap": + s.Swap += vUintBytes + case "SwapPss": + s.SwapPss += vUintBytes + } +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_stat.go b/constraint/vendor/github.com/prometheus/procfs/proc_stat.go new file mode 100644 index 000000000..4517d2e9d --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_stat.go @@ -0,0 +1,192 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bytes" + "fmt" + "os" + + "github.com/prometheus/procfs/internal/fs" + "github.com/prometheus/procfs/internal/util" +) + +// Originally, this USER_HZ value was dynamically retrieved via a sysconf call +// which required cgo. However, that caused a lot of problems regarding +// cross-compilation. Alternatives such as running a binary to determine the +// value, or trying to derive it in some other way were all problematic. After +// much research it was determined that USER_HZ is actually hardcoded to 100 on +// all Go-supported platforms as of the time of this writing. This is why we +// decided to hardcode it here as well. It is not impossible that there could +// be systems with exceptions, but they should be very exotic edge cases, and +// in that case, the worst outcome will be two misreported metrics. +// +// See also the following discussions: +// +// - https://github.com/prometheus/node_exporter/issues/52 +// - https://github.com/prometheus/procfs/pull/2 +// - http://stackoverflow.com/questions/17410841/how-does-user-hz-solve-the-jiffy-scaling-issue +const userHZ = 100 + +// ProcStat provides status information about the process, +// read from /proc/[pid]/stat. +type ProcStat struct { + // The process ID. + PID int + // The filename of the executable. + Comm string + // The process state. + State string + // The PID of the parent of this process. + PPID int + // The process group ID of the process. + PGRP int + // The session ID of the process. + Session int + // The controlling terminal of the process. + TTY int + // The ID of the foreground process group of the controlling terminal of + // the process. + TPGID int + // The kernel flags word of the process. + Flags uint + // The number of minor faults the process has made which have not required + // loading a memory page from disk. + MinFlt uint + // The number of minor faults that the process's waited-for children have + // made. + CMinFlt uint + // The number of major faults the process has made which have required + // loading a memory page from disk. + MajFlt uint + // The number of major faults that the process's waited-for children have + // made. + CMajFlt uint + // Amount of time that this process has been scheduled in user mode, + // measured in clock ticks. + UTime uint + // Amount of time that this process has been scheduled in kernel mode, + // measured in clock ticks. + STime uint + // Amount of time that this process's waited-for children have been + // scheduled in user mode, measured in clock ticks. + CUTime uint + // Amount of time that this process's waited-for children have been + // scheduled in kernel mode, measured in clock ticks. + CSTime uint + // For processes running a real-time scheduling policy, this is the negated + // scheduling priority, minus one. + Priority int + // The nice value, a value in the range 19 (low priority) to -20 (high + // priority). + Nice int + // Number of threads in this process. + NumThreads int + // The time the process started after system boot, the value is expressed + // in clock ticks. + Starttime uint64 + // Virtual memory size in bytes. + VSize uint + // Resident set size in pages. + RSS int + + proc fs.FS +} + +// NewStat returns the current status information of the process. +// +// Deprecated: use p.Stat() instead +func (p Proc) NewStat() (ProcStat, error) { + return p.Stat() +} + +// Stat returns the current status information of the process. +func (p Proc) Stat() (ProcStat, error) { + data, err := util.ReadFileNoStat(p.path("stat")) + if err != nil { + return ProcStat{}, err + } + + var ( + ignore int + + s = ProcStat{PID: p.PID, proc: p.fs} + l = bytes.Index(data, []byte("(")) + r = bytes.LastIndex(data, []byte(")")) + ) + + if l < 0 || r < 0 { + return ProcStat{}, fmt.Errorf( + "unexpected format, couldn't extract comm: %s", + data, + ) + } + + s.Comm = string(data[l+1 : r]) + _, err = fmt.Fscan( + bytes.NewBuffer(data[r+2:]), + &s.State, + &s.PPID, + &s.PGRP, + &s.Session, + &s.TTY, + &s.TPGID, + &s.Flags, + &s.MinFlt, + &s.CMinFlt, + &s.MajFlt, + &s.CMajFlt, + &s.UTime, + &s.STime, + &s.CUTime, + &s.CSTime, + &s.Priority, + &s.Nice, + &s.NumThreads, + &ignore, + &s.Starttime, + &s.VSize, + &s.RSS, + ) + if err != nil { + return ProcStat{}, err + } + + return s, nil +} + +// VirtualMemory returns the virtual memory size in bytes. +func (s ProcStat) VirtualMemory() uint { + return s.VSize +} + +// ResidentMemory returns the resident memory size in bytes. +func (s ProcStat) ResidentMemory() int { + return s.RSS * os.Getpagesize() +} + +// StartTime returns the unix timestamp of the process in seconds. +func (s ProcStat) StartTime() (float64, error) { + fs := FS{proc: s.proc} + stat, err := fs.Stat() + if err != nil { + return 0, err + } + return float64(stat.BootTime) + (float64(s.Starttime) / userHZ), nil +} + +// CPUTime returns the total CPU user and system time in seconds. +func (s ProcStat) CPUTime() float64 { + return float64(s.UTime+s.STime) / userHZ +} diff --git a/constraint/vendor/github.com/prometheus/procfs/proc_status.go b/constraint/vendor/github.com/prometheus/procfs/proc_status.go new file mode 100644 index 000000000..6edd8333b --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/proc_status.go @@ -0,0 +1,170 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bytes" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// ProcStatus provides status information about the process, +// read from /proc/[pid]/stat. +type ProcStatus struct { + // The process ID. + PID int + // The process name. + Name string + + // Thread group ID. + TGID int + + // Peak virtual memory size. + VmPeak uint64 // nolint:golint + // Virtual memory size. + VmSize uint64 // nolint:golint + // Locked memory size. + VmLck uint64 // nolint:golint + // Pinned memory size. + VmPin uint64 // nolint:golint + // Peak resident set size. + VmHWM uint64 // nolint:golint + // Resident set size (sum of RssAnnon RssFile and RssShmem). + VmRSS uint64 // nolint:golint + // Size of resident anonymous memory. + RssAnon uint64 // nolint:golint + // Size of resident file mappings. + RssFile uint64 // nolint:golint + // Size of resident shared memory. + RssShmem uint64 // nolint:golint + // Size of data segments. + VmData uint64 // nolint:golint + // Size of stack segments. + VmStk uint64 // nolint:golint + // Size of text segments. + VmExe uint64 // nolint:golint + // Shared library code size. + VmLib uint64 // nolint:golint + // Page table entries size. + VmPTE uint64 // nolint:golint + // Size of second-level page tables. + VmPMD uint64 // nolint:golint + // Swapped-out virtual memory size by anonymous private. + VmSwap uint64 // nolint:golint + // Size of hugetlb memory portions + HugetlbPages uint64 + + // Number of voluntary context switches. + VoluntaryCtxtSwitches uint64 + // Number of involuntary context switches. + NonVoluntaryCtxtSwitches uint64 + + // UIDs of the process (Real, effective, saved set, and filesystem UIDs) + UIDs [4]string + // GIDs of the process (Real, effective, saved set, and filesystem GIDs) + GIDs [4]string +} + +// NewStatus returns the current status information of the process. +func (p Proc) NewStatus() (ProcStatus, error) { + data, err := util.ReadFileNoStat(p.path("status")) + if err != nil { + return ProcStatus{}, err + } + + s := ProcStatus{PID: p.PID} + + lines := strings.Split(string(data), "\n") + for _, line := range lines { + if !bytes.Contains([]byte(line), []byte(":")) { + continue + } + + kv := strings.SplitN(line, ":", 2) + + // removes spaces + k := string(strings.TrimSpace(kv[0])) + v := string(strings.TrimSpace(kv[1])) + // removes "kB" + v = string(bytes.Trim([]byte(v), " kB")) + + // value to int when possible + // we can skip error check here, 'cause vKBytes is not used when value is a string + vKBytes, _ := strconv.ParseUint(v, 10, 64) + // convert kB to B + vBytes := vKBytes * 1024 + + s.fillStatus(k, v, vKBytes, vBytes) + } + + return s, nil +} + +func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintBytes uint64) { + switch k { + case "Tgid": + s.TGID = int(vUint) + case "Name": + s.Name = vString + case "Uid": + copy(s.UIDs[:], strings.Split(vString, "\t")) + case "Gid": + copy(s.GIDs[:], strings.Split(vString, "\t")) + case "VmPeak": + s.VmPeak = vUintBytes + case "VmSize": + s.VmSize = vUintBytes + case "VmLck": + s.VmLck = vUintBytes + case "VmPin": + s.VmPin = vUintBytes + case "VmHWM": + s.VmHWM = vUintBytes + case "VmRSS": + s.VmRSS = vUintBytes + case "RssAnon": + s.RssAnon = vUintBytes + case "RssFile": + s.RssFile = vUintBytes + case "RssShmem": + s.RssShmem = vUintBytes + case "VmData": + s.VmData = vUintBytes + case "VmStk": + s.VmStk = vUintBytes + case "VmExe": + s.VmExe = vUintBytes + case "VmLib": + s.VmLib = vUintBytes + case "VmPTE": + s.VmPTE = vUintBytes + case "VmPMD": + s.VmPMD = vUintBytes + case "VmSwap": + s.VmSwap = vUintBytes + case "HugetlbPages": + s.HugetlbPages = vUintBytes + case "voluntary_ctxt_switches": + s.VoluntaryCtxtSwitches = vUint + case "nonvoluntary_ctxt_switches": + s.NonVoluntaryCtxtSwitches = vUint + } +} + +// TotalCtxtSwitches returns the total context switch. +func (s ProcStatus) TotalCtxtSwitches() uint64 { + return s.VoluntaryCtxtSwitches + s.NonVoluntaryCtxtSwitches +} diff --git a/constraint/vendor/github.com/prometheus/procfs/schedstat.go b/constraint/vendor/github.com/prometheus/procfs/schedstat.go new file mode 100644 index 000000000..a4c4089ac --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/schedstat.go @@ -0,0 +1,118 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "errors" + "os" + "regexp" + "strconv" +) + +var ( + cpuLineRE = regexp.MustCompile(`cpu(\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+)`) + procLineRE = regexp.MustCompile(`(\d+) (\d+) (\d+)`) +) + +// Schedstat contains scheduler statistics from /proc/schedstat +// +// See +// https://www.kernel.org/doc/Documentation/scheduler/sched-stats.txt +// for a detailed description of what these numbers mean. +// +// Note the current kernel documentation claims some of the time units are in +// jiffies when they are actually in nanoseconds since 2.6.23 with the +// introduction of CFS. A fix to the documentation is pending. See +// https://lore.kernel.org/patchwork/project/lkml/list/?series=403473 +type Schedstat struct { + CPUs []*SchedstatCPU +} + +// SchedstatCPU contains the values from one "cpu" line +type SchedstatCPU struct { + CPUNum string + + RunningNanoseconds uint64 + WaitingNanoseconds uint64 + RunTimeslices uint64 +} + +// ProcSchedstat contains the values from /proc//schedstat +type ProcSchedstat struct { + RunningNanoseconds uint64 + WaitingNanoseconds uint64 + RunTimeslices uint64 +} + +// Schedstat reads data from /proc/schedstat +func (fs FS) Schedstat() (*Schedstat, error) { + file, err := os.Open(fs.proc.Path("schedstat")) + if err != nil { + return nil, err + } + defer file.Close() + + stats := &Schedstat{} + scanner := bufio.NewScanner(file) + + for scanner.Scan() { + match := cpuLineRE.FindStringSubmatch(scanner.Text()) + if match != nil { + cpu := &SchedstatCPU{} + cpu.CPUNum = match[1] + + cpu.RunningNanoseconds, err = strconv.ParseUint(match[8], 10, 64) + if err != nil { + continue + } + + cpu.WaitingNanoseconds, err = strconv.ParseUint(match[9], 10, 64) + if err != nil { + continue + } + + cpu.RunTimeslices, err = strconv.ParseUint(match[10], 10, 64) + if err != nil { + continue + } + + stats.CPUs = append(stats.CPUs, cpu) + } + } + + return stats, nil +} + +func parseProcSchedstat(contents string) (stats ProcSchedstat, err error) { + match := procLineRE.FindStringSubmatch(contents) + + if match != nil { + stats.RunningNanoseconds, err = strconv.ParseUint(match[1], 10, 64) + if err != nil { + return + } + + stats.WaitingNanoseconds, err = strconv.ParseUint(match[2], 10, 64) + if err != nil { + return + } + + stats.RunTimeslices, err = strconv.ParseUint(match[3], 10, 64) + return + } + + err = errors.New("could not parse schedstat") + return +} diff --git a/constraint/vendor/github.com/prometheus/procfs/stat.go b/constraint/vendor/github.com/prometheus/procfs/stat.go new file mode 100644 index 000000000..b2a6fc994 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/stat.go @@ -0,0 +1,244 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "io" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/fs" + "github.com/prometheus/procfs/internal/util" +) + +// CPUStat shows how much time the cpu spend in various stages. +type CPUStat struct { + User float64 + Nice float64 + System float64 + Idle float64 + Iowait float64 + IRQ float64 + SoftIRQ float64 + Steal float64 + Guest float64 + GuestNice float64 +} + +// SoftIRQStat represent the softirq statistics as exported in the procfs stat file. +// A nice introduction can be found at https://0xax.gitbooks.io/linux-insides/content/interrupts/interrupts-9.html +// It is possible to get per-cpu stats by reading /proc/softirqs +type SoftIRQStat struct { + Hi uint64 + Timer uint64 + NetTx uint64 + NetRx uint64 + Block uint64 + BlockIoPoll uint64 + Tasklet uint64 + Sched uint64 + Hrtimer uint64 + Rcu uint64 +} + +// Stat represents kernel/system statistics. +type Stat struct { + // Boot time in seconds since the Epoch. + BootTime uint64 + // Summed up cpu statistics. + CPUTotal CPUStat + // Per-CPU statistics. + CPU []CPUStat + // Number of times interrupts were handled, which contains numbered and unnumbered IRQs. + IRQTotal uint64 + // Number of times a numbered IRQ was triggered. + IRQ []uint64 + // Number of times a context switch happened. + ContextSwitches uint64 + // Number of times a process was created. + ProcessCreated uint64 + // Number of processes currently running. + ProcessesRunning uint64 + // Number of processes currently blocked (waiting for IO). + ProcessesBlocked uint64 + // Number of times a softirq was scheduled. + SoftIRQTotal uint64 + // Detailed softirq statistics. + SoftIRQ SoftIRQStat +} + +// Parse a cpu statistics line and returns the CPUStat struct plus the cpu id (or -1 for the overall sum). +func parseCPUStat(line string) (CPUStat, int64, error) { + cpuStat := CPUStat{} + var cpu string + + count, err := fmt.Sscanf(line, "%s %f %f %f %f %f %f %f %f %f %f", + &cpu, + &cpuStat.User, &cpuStat.Nice, &cpuStat.System, &cpuStat.Idle, + &cpuStat.Iowait, &cpuStat.IRQ, &cpuStat.SoftIRQ, &cpuStat.Steal, + &cpuStat.Guest, &cpuStat.GuestNice) + + if err != nil && err != io.EOF { + return CPUStat{}, -1, fmt.Errorf("couldn't parse %s (cpu): %s", line, err) + } + if count == 0 { + return CPUStat{}, -1, fmt.Errorf("couldn't parse %s (cpu): 0 elements parsed", line) + } + + cpuStat.User /= userHZ + cpuStat.Nice /= userHZ + cpuStat.System /= userHZ + cpuStat.Idle /= userHZ + cpuStat.Iowait /= userHZ + cpuStat.IRQ /= userHZ + cpuStat.SoftIRQ /= userHZ + cpuStat.Steal /= userHZ + cpuStat.Guest /= userHZ + cpuStat.GuestNice /= userHZ + + if cpu == "cpu" { + return cpuStat, -1, nil + } + + cpuID, err := strconv.ParseInt(cpu[3:], 10, 64) + if err != nil { + return CPUStat{}, -1, fmt.Errorf("couldn't parse %s (cpu/cpuid): %s", line, err) + } + + return cpuStat, cpuID, nil +} + +// Parse a softirq line. +func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) { + softIRQStat := SoftIRQStat{} + var total uint64 + var prefix string + + _, err := fmt.Sscanf(line, "%s %d %d %d %d %d %d %d %d %d %d %d", + &prefix, &total, + &softIRQStat.Hi, &softIRQStat.Timer, &softIRQStat.NetTx, &softIRQStat.NetRx, + &softIRQStat.Block, &softIRQStat.BlockIoPoll, + &softIRQStat.Tasklet, &softIRQStat.Sched, + &softIRQStat.Hrtimer, &softIRQStat.Rcu) + + if err != nil { + return SoftIRQStat{}, 0, fmt.Errorf("couldn't parse %s (softirq): %s", line, err) + } + + return softIRQStat, total, nil +} + +// NewStat returns information about current cpu/process statistics. +// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +// +// Deprecated: use fs.Stat() instead +func NewStat() (Stat, error) { + fs, err := NewFS(fs.DefaultProcMountPoint) + if err != nil { + return Stat{}, err + } + return fs.Stat() +} + +// NewStat returns information about current cpu/process statistics. +// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +// +// Deprecated: use fs.Stat() instead +func (fs FS) NewStat() (Stat, error) { + return fs.Stat() +} + +// Stat returns information about current cpu/process statistics. +// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +func (fs FS) Stat() (Stat, error) { + fileName := fs.proc.Path("stat") + data, err := util.ReadFileNoStat(fileName) + if err != nil { + return Stat{}, err + } + + stat := Stat{} + + scanner := bufio.NewScanner(bytes.NewReader(data)) + for scanner.Scan() { + line := scanner.Text() + parts := strings.Fields(scanner.Text()) + // require at least + if len(parts) < 2 { + continue + } + switch { + case parts[0] == "btime": + if stat.BootTime, err = strconv.ParseUint(parts[1], 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (btime): %s", parts[1], err) + } + case parts[0] == "intr": + if stat.IRQTotal, err = strconv.ParseUint(parts[1], 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (intr): %s", parts[1], err) + } + numberedIRQs := parts[2:] + stat.IRQ = make([]uint64, len(numberedIRQs)) + for i, count := range numberedIRQs { + if stat.IRQ[i], err = strconv.ParseUint(count, 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (intr%d): %s", count, i, err) + } + } + case parts[0] == "ctxt": + if stat.ContextSwitches, err = strconv.ParseUint(parts[1], 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (ctxt): %s", parts[1], err) + } + case parts[0] == "processes": + if stat.ProcessCreated, err = strconv.ParseUint(parts[1], 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (processes): %s", parts[1], err) + } + case parts[0] == "procs_running": + if stat.ProcessesRunning, err = strconv.ParseUint(parts[1], 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (procs_running): %s", parts[1], err) + } + case parts[0] == "procs_blocked": + if stat.ProcessesBlocked, err = strconv.ParseUint(parts[1], 10, 64); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s (procs_blocked): %s", parts[1], err) + } + case parts[0] == "softirq": + softIRQStats, total, err := parseSoftIRQStat(line) + if err != nil { + return Stat{}, err + } + stat.SoftIRQTotal = total + stat.SoftIRQ = softIRQStats + case strings.HasPrefix(parts[0], "cpu"): + cpuStat, cpuID, err := parseCPUStat(line) + if err != nil { + return Stat{}, err + } + if cpuID == -1 { + stat.CPUTotal = cpuStat + } else { + for int64(len(stat.CPU)) <= cpuID { + stat.CPU = append(stat.CPU, CPUStat{}) + } + stat.CPU[cpuID] = cpuStat + } + } + } + + if err := scanner.Err(); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s: %s", fileName, err) + } + + return stat, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/swaps.go b/constraint/vendor/github.com/prometheus/procfs/swaps.go new file mode 100644 index 000000000..15edc2212 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/swaps.go @@ -0,0 +1,89 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "bytes" + "fmt" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Swap represents an entry in /proc/swaps. +type Swap struct { + Filename string + Type string + Size int + Used int + Priority int +} + +// Swaps returns a slice of all configured swap devices on the system. +func (fs FS) Swaps() ([]*Swap, error) { + data, err := util.ReadFileNoStat(fs.proc.Path("swaps")) + if err != nil { + return nil, err + } + return parseSwaps(data) +} + +func parseSwaps(info []byte) ([]*Swap, error) { + swaps := []*Swap{} + scanner := bufio.NewScanner(bytes.NewReader(info)) + scanner.Scan() // ignore header line + for scanner.Scan() { + swapString := scanner.Text() + parsedSwap, err := parseSwapString(swapString) + if err != nil { + return nil, err + } + swaps = append(swaps, parsedSwap) + } + + err := scanner.Err() + return swaps, err +} + +func parseSwapString(swapString string) (*Swap, error) { + var err error + + swapFields := strings.Fields(swapString) + swapLength := len(swapFields) + if swapLength < 5 { + return nil, fmt.Errorf("too few fields in swap string: %s", swapString) + } + + swap := &Swap{ + Filename: swapFields[0], + Type: swapFields[1], + } + + swap.Size, err = strconv.Atoi(swapFields[2]) + if err != nil { + return nil, fmt.Errorf("invalid swap size: %s", swapFields[2]) + } + swap.Used, err = strconv.Atoi(swapFields[3]) + if err != nil { + return nil, fmt.Errorf("invalid swap used: %s", swapFields[3]) + } + swap.Priority, err = strconv.Atoi(swapFields[4]) + if err != nil { + return nil, fmt.Errorf("invalid swap priority: %s", swapFields[4]) + } + + return swap, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/ttar b/constraint/vendor/github.com/prometheus/procfs/ttar new file mode 100644 index 000000000..19ef02b8d --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/ttar @@ -0,0 +1,413 @@ +#!/usr/bin/env bash + +# Purpose: plain text tar format +# Limitations: - only suitable for text files, directories, and symlinks +# - stores only filename, content, and mode +# - not designed for untrusted input +# +# Note: must work with bash version 3.2 (macOS) + +# Copyright 2017 Roger Luethi +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +set -o errexit -o nounset + +# Sanitize environment (for instance, standard sorting of glob matches) +export LC_ALL=C + +path="" +CMD="" +ARG_STRING="$*" + +#------------------------------------------------------------------------------ +# Not all sed implementations can work on null bytes. In order to make ttar +# work out of the box on macOS, use Python as a stream editor. + +USE_PYTHON=0 + +PYTHON_CREATE_FILTER=$(cat << 'PCF' +#!/usr/bin/env python + +import re +import sys + +for line in sys.stdin: + line = re.sub(r'EOF', r'\EOF', line) + line = re.sub(r'NULLBYTE', r'\NULLBYTE', line) + line = re.sub('\x00', r'NULLBYTE', line) + sys.stdout.write(line) +PCF +) + +PYTHON_EXTRACT_FILTER=$(cat << 'PEF' +#!/usr/bin/env python + +import re +import sys + +for line in sys.stdin: + line = re.sub(r'(?/dev/null; then + echo "ERROR Python not found. Aborting." + exit 2 + fi + USE_PYTHON=1 + fi +} + +#------------------------------------------------------------------------------ + +function usage { + bname=$(basename "$0") + cat << USAGE +Usage: $bname [-C ] -c -f (create archive) + $bname -t -f (list archive contents) + $bname [-C ] -x -f (extract archive) + +Options: + -C (change directory) + -v (verbose) + --recursive-unlink (recursively delete existing directory if path + collides with file or directory to extract) + +Example: Change to sysfs directory, create ttar file from fixtures directory + $bname -C sysfs -c -f sysfs/fixtures.ttar fixtures/ +USAGE +exit "$1" +} + +function vecho { + if [ "${VERBOSE:-}" == "yes" ]; then + echo >&7 "$@" + fi +} + +function set_cmd { + if [ -n "$CMD" ]; then + echo "ERROR: more than one command given" + echo + usage 2 + fi + CMD=$1 +} + +unset VERBOSE +unset RECURSIVE_UNLINK + +while getopts :cf:-:htxvC: opt; do + case $opt in + c) + set_cmd "create" + ;; + f) + ARCHIVE=$OPTARG + ;; + h) + usage 0 + ;; + t) + set_cmd "list" + ;; + x) + set_cmd "extract" + ;; + v) + VERBOSE=yes + exec 7>&1 + ;; + C) + CDIR=$OPTARG + ;; + -) + case $OPTARG in + recursive-unlink) + RECURSIVE_UNLINK="yes" + ;; + *) + echo -e "Error: invalid option -$OPTARG" + echo + usage 1 + ;; + esac + ;; + *) + echo >&2 "ERROR: invalid option -$OPTARG" + echo + usage 1 + ;; + esac +done + +# Remove processed options from arguments +shift $(( OPTIND - 1 )); + +if [ "${CMD:-}" == "" ]; then + echo >&2 "ERROR: no command given" + echo + usage 1 +elif [ "${ARCHIVE:-}" == "" ]; then + echo >&2 "ERROR: no archive name given" + echo + usage 1 +fi + +function list { + local path="" + local size=0 + local line_no=0 + local ttar_file=$1 + if [ -n "${2:-}" ]; then + echo >&2 "ERROR: too many arguments." + echo + usage 1 + fi + if [ ! -e "$ttar_file" ]; then + echo >&2 "ERROR: file not found ($ttar_file)" + echo + usage 1 + fi + while read -r line; do + line_no=$(( line_no + 1 )) + if [ $size -gt 0 ]; then + size=$(( size - 1 )) + continue + fi + if [[ $line =~ ^Path:\ (.*)$ ]]; then + path=${BASH_REMATCH[1]} + elif [[ $line =~ ^Lines:\ (.*)$ ]]; then + size=${BASH_REMATCH[1]} + echo "$path" + elif [[ $line =~ ^Directory:\ (.*)$ ]]; then + path=${BASH_REMATCH[1]} + echo "$path/" + elif [[ $line =~ ^SymlinkTo:\ (.*)$ ]]; then + echo "$path -> ${BASH_REMATCH[1]}" + fi + done < "$ttar_file" +} + +function extract { + local path="" + local size=0 + local line_no=0 + local ttar_file=$1 + if [ -n "${2:-}" ]; then + echo >&2 "ERROR: too many arguments." + echo + usage 1 + fi + if [ ! -e "$ttar_file" ]; then + echo >&2 "ERROR: file not found ($ttar_file)" + echo + usage 1 + fi + while IFS= read -r line; do + line_no=$(( line_no + 1 )) + local eof_without_newline + if [ "$size" -gt 0 ]; then + if [[ "$line" =~ [^\\]EOF ]]; then + # An EOF not preceded by a backslash indicates that the line + # does not end with a newline + eof_without_newline=1 + else + eof_without_newline=0 + fi + # Replace NULLBYTE with null byte if at beginning of line + # Replace NULLBYTE with null byte unless preceded by backslash + # Remove one backslash in front of NULLBYTE (if any) + # Remove EOF unless preceded by backslash + # Remove one backslash in front of EOF + if [ $USE_PYTHON -eq 1 ]; then + echo -n "$line" | python -c "$PYTHON_EXTRACT_FILTER" >> "$path" + else + # The repeated pattern makes up for sed's lack of negative + # lookbehind assertions (for consecutive null bytes). + echo -n "$line" | \ + sed -e 's/^NULLBYTE/\x0/g; + s/\([^\\]\)NULLBYTE/\1\x0/g; + s/\([^\\]\)NULLBYTE/\1\x0/g; + s/\\NULLBYTE/NULLBYTE/g; + s/\([^\\]\)EOF/\1/g; + s/\\EOF/EOF/g; + ' >> "$path" + fi + if [[ "$eof_without_newline" -eq 0 ]]; then + echo >> "$path" + fi + size=$(( size - 1 )) + continue + fi + if [[ $line =~ ^Path:\ (.*)$ ]]; then + path=${BASH_REMATCH[1]} + if [ -L "$path" ]; then + rm "$path" + elif [ -d "$path" ]; then + if [ "${RECURSIVE_UNLINK:-}" == "yes" ]; then + rm -r "$path" + else + # Safe because symlinks to directories are dealt with above + rmdir "$path" + fi + elif [ -e "$path" ]; then + rm "$path" + fi + elif [[ $line =~ ^Lines:\ (.*)$ ]]; then + size=${BASH_REMATCH[1]} + # Create file even if it is zero-length. + touch "$path" + vecho " $path" + elif [[ $line =~ ^Mode:\ (.*)$ ]]; then + mode=${BASH_REMATCH[1]} + chmod "$mode" "$path" + vecho "$mode" + elif [[ $line =~ ^Directory:\ (.*)$ ]]; then + path=${BASH_REMATCH[1]} + mkdir -p "$path" + vecho " $path/" + elif [[ $line =~ ^SymlinkTo:\ (.*)$ ]]; then + ln -s "${BASH_REMATCH[1]}" "$path" + vecho " $path -> ${BASH_REMATCH[1]}" + elif [[ $line =~ ^# ]]; then + # Ignore comments between files + continue + else + echo >&2 "ERROR: Unknown keyword on line $line_no: $line" + exit 1 + fi + done < "$ttar_file" +} + +function div { + echo "# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -" \ + "- - - - - -" +} + +function get_mode { + local mfile=$1 + if [ -z "${STAT_OPTION:-}" ]; then + if stat -c '%a' "$mfile" >/dev/null 2>&1; then + # GNU stat + STAT_OPTION='-c' + STAT_FORMAT='%a' + else + # BSD stat + STAT_OPTION='-f' + # Octal output, user/group/other (omit file type, sticky bit) + STAT_FORMAT='%OLp' + fi + fi + stat "${STAT_OPTION}" "${STAT_FORMAT}" "$mfile" +} + +function _create { + shopt -s nullglob + local mode + local eof_without_newline + while (( "$#" )); do + file=$1 + if [ -L "$file" ]; then + echo "Path: $file" + symlinkTo=$(readlink "$file") + echo "SymlinkTo: $symlinkTo" + vecho " $file -> $symlinkTo" + div + elif [ -d "$file" ]; then + # Strip trailing slash (if there is one) + file=${file%/} + echo "Directory: $file" + mode=$(get_mode "$file") + echo "Mode: $mode" + vecho "$mode $file/" + div + # Find all files and dirs, including hidden/dot files + for x in "$file/"{*,.[^.]*}; do + _create "$x" + done + elif [ -f "$file" ]; then + echo "Path: $file" + lines=$(wc -l "$file"|awk '{print $1}') + eof_without_newline=0 + if [[ "$(wc -c "$file"|awk '{print $1}')" -gt 0 ]] && \ + [[ "$(tail -c 1 "$file" | wc -l)" -eq 0 ]]; then + eof_without_newline=1 + lines=$((lines+1)) + fi + echo "Lines: $lines" + # Add backslash in front of EOF + # Add backslash in front of NULLBYTE + # Replace null byte with NULLBYTE + if [ $USE_PYTHON -eq 1 ]; then + < "$file" python -c "$PYTHON_CREATE_FILTER" + else + < "$file" \ + sed 's/EOF/\\EOF/g; + s/NULLBYTE/\\NULLBYTE/g; + s/\x0/NULLBYTE/g; + ' + fi + if [[ "$eof_without_newline" -eq 1 ]]; then + # Finish line with EOF to indicate that the original line did + # not end with a linefeed + echo "EOF" + fi + mode=$(get_mode "$file") + echo "Mode: $mode" + vecho "$mode $file" + div + else + echo >&2 "ERROR: file not found ($file in $(pwd))" + exit 2 + fi + shift + done +} + +function create { + ttar_file=$1 + shift + if [ -z "${1:-}" ]; then + echo >&2 "ERROR: missing arguments." + echo + usage 1 + fi + if [ -e "$ttar_file" ]; then + rm "$ttar_file" + fi + exec > "$ttar_file" + echo "# Archive created by ttar $ARG_STRING" + _create "$@" +} + +test_environment + +if [ -n "${CDIR:-}" ]; then + if [[ "$ARCHIVE" != /* ]]; then + # Relative path: preserve the archive's location before changing + # directory + ARCHIVE="$(pwd)/$ARCHIVE" + fi + cd "$CDIR" +fi + +"$CMD" "$ARCHIVE" "$@" diff --git a/constraint/vendor/github.com/prometheus/procfs/vm.go b/constraint/vendor/github.com/prometheus/procfs/vm.go new file mode 100644 index 000000000..cb1389141 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/vm.go @@ -0,0 +1,210 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows + +package procfs + +import ( + "fmt" + "io/ioutil" + "os" + "path/filepath" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// The VM interface is described at +// https://www.kernel.org/doc/Documentation/sysctl/vm.txt +// Each setting is exposed as a single file. +// Each file contains one line with a single numerical value, except lowmem_reserve_ratio which holds an array +// and numa_zonelist_order (deprecated) which is a string +type VM struct { + AdminReserveKbytes *int64 // /proc/sys/vm/admin_reserve_kbytes + BlockDump *int64 // /proc/sys/vm/block_dump + CompactUnevictableAllowed *int64 // /proc/sys/vm/compact_unevictable_allowed + DirtyBackgroundBytes *int64 // /proc/sys/vm/dirty_background_bytes + DirtyBackgroundRatio *int64 // /proc/sys/vm/dirty_background_ratio + DirtyBytes *int64 // /proc/sys/vm/dirty_bytes + DirtyExpireCentisecs *int64 // /proc/sys/vm/dirty_expire_centisecs + DirtyRatio *int64 // /proc/sys/vm/dirty_ratio + DirtytimeExpireSeconds *int64 // /proc/sys/vm/dirtytime_expire_seconds + DirtyWritebackCentisecs *int64 // /proc/sys/vm/dirty_writeback_centisecs + DropCaches *int64 // /proc/sys/vm/drop_caches + ExtfragThreshold *int64 // /proc/sys/vm/extfrag_threshold + HugetlbShmGroup *int64 // /proc/sys/vm/hugetlb_shm_group + LaptopMode *int64 // /proc/sys/vm/laptop_mode + LegacyVaLayout *int64 // /proc/sys/vm/legacy_va_layout + LowmemReserveRatio []*int64 // /proc/sys/vm/lowmem_reserve_ratio + MaxMapCount *int64 // /proc/sys/vm/max_map_count + MemoryFailureEarlyKill *int64 // /proc/sys/vm/memory_failure_early_kill + MemoryFailureRecovery *int64 // /proc/sys/vm/memory_failure_recovery + MinFreeKbytes *int64 // /proc/sys/vm/min_free_kbytes + MinSlabRatio *int64 // /proc/sys/vm/min_slab_ratio + MinUnmappedRatio *int64 // /proc/sys/vm/min_unmapped_ratio + MmapMinAddr *int64 // /proc/sys/vm/mmap_min_addr + NrHugepages *int64 // /proc/sys/vm/nr_hugepages + NrHugepagesMempolicy *int64 // /proc/sys/vm/nr_hugepages_mempolicy + NrOvercommitHugepages *int64 // /proc/sys/vm/nr_overcommit_hugepages + NumaStat *int64 // /proc/sys/vm/numa_stat + NumaZonelistOrder string // /proc/sys/vm/numa_zonelist_order + OomDumpTasks *int64 // /proc/sys/vm/oom_dump_tasks + OomKillAllocatingTask *int64 // /proc/sys/vm/oom_kill_allocating_task + OvercommitKbytes *int64 // /proc/sys/vm/overcommit_kbytes + OvercommitMemory *int64 // /proc/sys/vm/overcommit_memory + OvercommitRatio *int64 // /proc/sys/vm/overcommit_ratio + PageCluster *int64 // /proc/sys/vm/page-cluster + PanicOnOom *int64 // /proc/sys/vm/panic_on_oom + PercpuPagelistFraction *int64 // /proc/sys/vm/percpu_pagelist_fraction + StatInterval *int64 // /proc/sys/vm/stat_interval + Swappiness *int64 // /proc/sys/vm/swappiness + UserReserveKbytes *int64 // /proc/sys/vm/user_reserve_kbytes + VfsCachePressure *int64 // /proc/sys/vm/vfs_cache_pressure + WatermarkBoostFactor *int64 // /proc/sys/vm/watermark_boost_factor + WatermarkScaleFactor *int64 // /proc/sys/vm/watermark_scale_factor + ZoneReclaimMode *int64 // /proc/sys/vm/zone_reclaim_mode +} + +// VM reads the VM statistics from the specified `proc` filesystem. +func (fs FS) VM() (*VM, error) { + path := fs.proc.Path("sys/vm") + file, err := os.Stat(path) + if err != nil { + return nil, err + } + if !file.Mode().IsDir() { + return nil, fmt.Errorf("%s is not a directory", path) + } + + files, err := ioutil.ReadDir(path) + if err != nil { + return nil, err + } + + var vm VM + for _, f := range files { + if f.IsDir() { + continue + } + + name := filepath.Join(path, f.Name()) + // ignore errors on read, as there are some write only + // in /proc/sys/vm + value, err := util.SysReadFile(name) + if err != nil { + continue + } + vp := util.NewValueParser(value) + + switch f.Name() { + case "admin_reserve_kbytes": + vm.AdminReserveKbytes = vp.PInt64() + case "block_dump": + vm.BlockDump = vp.PInt64() + case "compact_unevictable_allowed": + vm.CompactUnevictableAllowed = vp.PInt64() + case "dirty_background_bytes": + vm.DirtyBackgroundBytes = vp.PInt64() + case "dirty_background_ratio": + vm.DirtyBackgroundRatio = vp.PInt64() + case "dirty_bytes": + vm.DirtyBytes = vp.PInt64() + case "dirty_expire_centisecs": + vm.DirtyExpireCentisecs = vp.PInt64() + case "dirty_ratio": + vm.DirtyRatio = vp.PInt64() + case "dirtytime_expire_seconds": + vm.DirtytimeExpireSeconds = vp.PInt64() + case "dirty_writeback_centisecs": + vm.DirtyWritebackCentisecs = vp.PInt64() + case "drop_caches": + vm.DropCaches = vp.PInt64() + case "extfrag_threshold": + vm.ExtfragThreshold = vp.PInt64() + case "hugetlb_shm_group": + vm.HugetlbShmGroup = vp.PInt64() + case "laptop_mode": + vm.LaptopMode = vp.PInt64() + case "legacy_va_layout": + vm.LegacyVaLayout = vp.PInt64() + case "lowmem_reserve_ratio": + stringSlice := strings.Fields(value) + pint64Slice := make([]*int64, 0, len(stringSlice)) + for _, value := range stringSlice { + vp := util.NewValueParser(value) + pint64Slice = append(pint64Slice, vp.PInt64()) + } + vm.LowmemReserveRatio = pint64Slice + case "max_map_count": + vm.MaxMapCount = vp.PInt64() + case "memory_failure_early_kill": + vm.MemoryFailureEarlyKill = vp.PInt64() + case "memory_failure_recovery": + vm.MemoryFailureRecovery = vp.PInt64() + case "min_free_kbytes": + vm.MinFreeKbytes = vp.PInt64() + case "min_slab_ratio": + vm.MinSlabRatio = vp.PInt64() + case "min_unmapped_ratio": + vm.MinUnmappedRatio = vp.PInt64() + case "mmap_min_addr": + vm.MmapMinAddr = vp.PInt64() + case "nr_hugepages": + vm.NrHugepages = vp.PInt64() + case "nr_hugepages_mempolicy": + vm.NrHugepagesMempolicy = vp.PInt64() + case "nr_overcommit_hugepages": + vm.NrOvercommitHugepages = vp.PInt64() + case "numa_stat": + vm.NumaStat = vp.PInt64() + case "numa_zonelist_order": + vm.NumaZonelistOrder = value + case "oom_dump_tasks": + vm.OomDumpTasks = vp.PInt64() + case "oom_kill_allocating_task": + vm.OomKillAllocatingTask = vp.PInt64() + case "overcommit_kbytes": + vm.OvercommitKbytes = vp.PInt64() + case "overcommit_memory": + vm.OvercommitMemory = vp.PInt64() + case "overcommit_ratio": + vm.OvercommitRatio = vp.PInt64() + case "page-cluster": + vm.PageCluster = vp.PInt64() + case "panic_on_oom": + vm.PanicOnOom = vp.PInt64() + case "percpu_pagelist_fraction": + vm.PercpuPagelistFraction = vp.PInt64() + case "stat_interval": + vm.StatInterval = vp.PInt64() + case "swappiness": + vm.Swappiness = vp.PInt64() + case "user_reserve_kbytes": + vm.UserReserveKbytes = vp.PInt64() + case "vfs_cache_pressure": + vm.VfsCachePressure = vp.PInt64() + case "watermark_boost_factor": + vm.WatermarkBoostFactor = vp.PInt64() + case "watermark_scale_factor": + vm.WatermarkScaleFactor = vp.PInt64() + case "zone_reclaim_mode": + vm.ZoneReclaimMode = vp.PInt64() + } + if err := vp.Err(); err != nil { + return nil, err + } + } + + return &vm, nil +} diff --git a/constraint/vendor/github.com/prometheus/procfs/xfrm.go b/constraint/vendor/github.com/prometheus/procfs/xfrm.go new file mode 100644 index 000000000..30aa417d5 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/xfrm.go @@ -0,0 +1,187 @@ +// Copyright 2017 Prometheus Team +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "fmt" + "os" + "strconv" + "strings" +) + +// XfrmStat models the contents of /proc/net/xfrm_stat. +type XfrmStat struct { + // All errors which are not matched by other + XfrmInError int + // No buffer is left + XfrmInBufferError int + // Header Error + XfrmInHdrError int + // No state found + // i.e. either inbound SPI, address, or IPSEC protocol at SA is wrong + XfrmInNoStates int + // Transformation protocol specific error + // e.g. SA Key is wrong + XfrmInStateProtoError int + // Transformation mode specific error + XfrmInStateModeError int + // Sequence error + // e.g. sequence number is out of window + XfrmInStateSeqError int + // State is expired + XfrmInStateExpired int + // State has mismatch option + // e.g. UDP encapsulation type is mismatched + XfrmInStateMismatch int + // State is invalid + XfrmInStateInvalid int + // No matching template for states + // e.g. Inbound SAs are correct but SP rule is wrong + XfrmInTmplMismatch int + // No policy is found for states + // e.g. Inbound SAs are correct but no SP is found + XfrmInNoPols int + // Policy discards + XfrmInPolBlock int + // Policy error + XfrmInPolError int + // All errors which are not matched by others + XfrmOutError int + // Bundle generation error + XfrmOutBundleGenError int + // Bundle check error + XfrmOutBundleCheckError int + // No state was found + XfrmOutNoStates int + // Transformation protocol specific error + XfrmOutStateProtoError int + // Transportation mode specific error + XfrmOutStateModeError int + // Sequence error + // i.e sequence number overflow + XfrmOutStateSeqError int + // State is expired + XfrmOutStateExpired int + // Policy discads + XfrmOutPolBlock int + // Policy is dead + XfrmOutPolDead int + // Policy Error + XfrmOutPolError int + XfrmFwdHdrError int + XfrmOutStateInvalid int + XfrmAcquireError int +} + +// NewXfrmStat reads the xfrm_stat statistics. +func NewXfrmStat() (XfrmStat, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return XfrmStat{}, err + } + + return fs.NewXfrmStat() +} + +// NewXfrmStat reads the xfrm_stat statistics from the 'proc' filesystem. +func (fs FS) NewXfrmStat() (XfrmStat, error) { + file, err := os.Open(fs.proc.Path("net/xfrm_stat")) + if err != nil { + return XfrmStat{}, err + } + defer file.Close() + + var ( + x = XfrmStat{} + s = bufio.NewScanner(file) + ) + + for s.Scan() { + fields := strings.Fields(s.Text()) + + if len(fields) != 2 { + return XfrmStat{}, fmt.Errorf( + "couldn't parse %s line %s", file.Name(), s.Text()) + } + + name := fields[0] + value, err := strconv.Atoi(fields[1]) + if err != nil { + return XfrmStat{}, err + } + + switch name { + case "XfrmInError": + x.XfrmInError = value + case "XfrmInBufferError": + x.XfrmInBufferError = value + case "XfrmInHdrError": + x.XfrmInHdrError = value + case "XfrmInNoStates": + x.XfrmInNoStates = value + case "XfrmInStateProtoError": + x.XfrmInStateProtoError = value + case "XfrmInStateModeError": + x.XfrmInStateModeError = value + case "XfrmInStateSeqError": + x.XfrmInStateSeqError = value + case "XfrmInStateExpired": + x.XfrmInStateExpired = value + case "XfrmInStateInvalid": + x.XfrmInStateInvalid = value + case "XfrmInTmplMismatch": + x.XfrmInTmplMismatch = value + case "XfrmInNoPols": + x.XfrmInNoPols = value + case "XfrmInPolBlock": + x.XfrmInPolBlock = value + case "XfrmInPolError": + x.XfrmInPolError = value + case "XfrmOutError": + x.XfrmOutError = value + case "XfrmInStateMismatch": + x.XfrmInStateMismatch = value + case "XfrmOutBundleGenError": + x.XfrmOutBundleGenError = value + case "XfrmOutBundleCheckError": + x.XfrmOutBundleCheckError = value + case "XfrmOutNoStates": + x.XfrmOutNoStates = value + case "XfrmOutStateProtoError": + x.XfrmOutStateProtoError = value + case "XfrmOutStateModeError": + x.XfrmOutStateModeError = value + case "XfrmOutStateSeqError": + x.XfrmOutStateSeqError = value + case "XfrmOutStateExpired": + x.XfrmOutStateExpired = value + case "XfrmOutPolBlock": + x.XfrmOutPolBlock = value + case "XfrmOutPolDead": + x.XfrmOutPolDead = value + case "XfrmOutPolError": + x.XfrmOutPolError = value + case "XfrmFwdHdrError": + x.XfrmFwdHdrError = value + case "XfrmOutStateInvalid": + x.XfrmOutStateInvalid = value + case "XfrmAcquireError": + x.XfrmAcquireError = value + } + + } + + return x, s.Err() +} diff --git a/constraint/vendor/github.com/prometheus/procfs/zoneinfo.go b/constraint/vendor/github.com/prometheus/procfs/zoneinfo.go new file mode 100644 index 000000000..e941503d5 --- /dev/null +++ b/constraint/vendor/github.com/prometheus/procfs/zoneinfo.go @@ -0,0 +1,196 @@ +// Copyright 2019 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows + +package procfs + +import ( + "bytes" + "fmt" + "io/ioutil" + "regexp" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Zoneinfo holds info parsed from /proc/zoneinfo. +type Zoneinfo struct { + Node string + Zone string + NrFreePages *int64 + Min *int64 + Low *int64 + High *int64 + Scanned *int64 + Spanned *int64 + Present *int64 + Managed *int64 + NrActiveAnon *int64 + NrInactiveAnon *int64 + NrIsolatedAnon *int64 + NrAnonPages *int64 + NrAnonTransparentHugepages *int64 + NrActiveFile *int64 + NrInactiveFile *int64 + NrIsolatedFile *int64 + NrFilePages *int64 + NrSlabReclaimable *int64 + NrSlabUnreclaimable *int64 + NrMlockStack *int64 + NrKernelStack *int64 + NrMapped *int64 + NrDirty *int64 + NrWriteback *int64 + NrUnevictable *int64 + NrShmem *int64 + NrDirtied *int64 + NrWritten *int64 + NumaHit *int64 + NumaMiss *int64 + NumaForeign *int64 + NumaInterleave *int64 + NumaLocal *int64 + NumaOther *int64 + Protection []*int64 +} + +var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`) + +// Zoneinfo parses an zoneinfo-file (/proc/zoneinfo) and returns a slice of +// structs containing the relevant info. More information available here: +// https://www.kernel.org/doc/Documentation/sysctl/vm.txt +func (fs FS) Zoneinfo() ([]Zoneinfo, error) { + data, err := ioutil.ReadFile(fs.proc.Path("zoneinfo")) + if err != nil { + return nil, fmt.Errorf("error reading zoneinfo %s: %s", fs.proc.Path("zoneinfo"), err) + } + zoneinfo, err := parseZoneinfo(data) + if err != nil { + return nil, fmt.Errorf("error parsing zoneinfo %s: %s", fs.proc.Path("zoneinfo"), err) + } + return zoneinfo, nil +} + +func parseZoneinfo(zoneinfoData []byte) ([]Zoneinfo, error) { + + zoneinfo := []Zoneinfo{} + + zoneinfoBlocks := bytes.Split(zoneinfoData, []byte("\nNode")) + for _, block := range zoneinfoBlocks { + var zoneinfoElement Zoneinfo + lines := strings.Split(string(block), "\n") + for _, line := range lines { + + if nodeZone := nodeZoneRE.FindStringSubmatch(line); nodeZone != nil { + zoneinfoElement.Node = nodeZone[1] + zoneinfoElement.Zone = nodeZone[2] + continue + } + if strings.HasPrefix(strings.TrimSpace(line), "per-node stats") { + zoneinfoElement.Zone = "" + continue + } + parts := strings.Fields(strings.TrimSpace(line)) + if len(parts) < 2 { + continue + } + vp := util.NewValueParser(parts[1]) + switch parts[0] { + case "nr_free_pages": + zoneinfoElement.NrFreePages = vp.PInt64() + case "min": + zoneinfoElement.Min = vp.PInt64() + case "low": + zoneinfoElement.Low = vp.PInt64() + case "high": + zoneinfoElement.High = vp.PInt64() + case "scanned": + zoneinfoElement.Scanned = vp.PInt64() + case "spanned": + zoneinfoElement.Spanned = vp.PInt64() + case "present": + zoneinfoElement.Present = vp.PInt64() + case "managed": + zoneinfoElement.Managed = vp.PInt64() + case "nr_active_anon": + zoneinfoElement.NrActiveAnon = vp.PInt64() + case "nr_inactive_anon": + zoneinfoElement.NrInactiveAnon = vp.PInt64() + case "nr_isolated_anon": + zoneinfoElement.NrIsolatedAnon = vp.PInt64() + case "nr_anon_pages": + zoneinfoElement.NrAnonPages = vp.PInt64() + case "nr_anon_transparent_hugepages": + zoneinfoElement.NrAnonTransparentHugepages = vp.PInt64() + case "nr_active_file": + zoneinfoElement.NrActiveFile = vp.PInt64() + case "nr_inactive_file": + zoneinfoElement.NrInactiveFile = vp.PInt64() + case "nr_isolated_file": + zoneinfoElement.NrIsolatedFile = vp.PInt64() + case "nr_file_pages": + zoneinfoElement.NrFilePages = vp.PInt64() + case "nr_slab_reclaimable": + zoneinfoElement.NrSlabReclaimable = vp.PInt64() + case "nr_slab_unreclaimable": + zoneinfoElement.NrSlabUnreclaimable = vp.PInt64() + case "nr_mlock_stack": + zoneinfoElement.NrMlockStack = vp.PInt64() + case "nr_kernel_stack": + zoneinfoElement.NrKernelStack = vp.PInt64() + case "nr_mapped": + zoneinfoElement.NrMapped = vp.PInt64() + case "nr_dirty": + zoneinfoElement.NrDirty = vp.PInt64() + case "nr_writeback": + zoneinfoElement.NrWriteback = vp.PInt64() + case "nr_unevictable": + zoneinfoElement.NrUnevictable = vp.PInt64() + case "nr_shmem": + zoneinfoElement.NrShmem = vp.PInt64() + case "nr_dirtied": + zoneinfoElement.NrDirtied = vp.PInt64() + case "nr_written": + zoneinfoElement.NrWritten = vp.PInt64() + case "numa_hit": + zoneinfoElement.NumaHit = vp.PInt64() + case "numa_miss": + zoneinfoElement.NumaMiss = vp.PInt64() + case "numa_foreign": + zoneinfoElement.NumaForeign = vp.PInt64() + case "numa_interleave": + zoneinfoElement.NumaInterleave = vp.PInt64() + case "numa_local": + zoneinfoElement.NumaLocal = vp.PInt64() + case "numa_other": + zoneinfoElement.NumaOther = vp.PInt64() + case "protection:": + protectionParts := strings.Split(line, ":") + protectionValues := strings.Replace(protectionParts[1], "(", "", 1) + protectionValues = strings.Replace(protectionValues, ")", "", 1) + protectionValues = strings.TrimSpace(protectionValues) + protectionStringMap := strings.Split(protectionValues, ", ") + val, err := util.ParsePInt64s(protectionStringMap) + if err == nil { + zoneinfoElement.Protection = val + } + } + + } + + zoneinfo = append(zoneinfo, zoneinfoElement) + } + return zoneinfo, nil +} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bson.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bson.go deleted file mode 100644 index 37bf9811f..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bson.go +++ /dev/null @@ -1,60 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 -// -// Based on gopkg.in/mgo.v2/bson by Gustavo Niemeyer -// See THIRD-PARTY-NOTICES for original license terms. - -// +build go1.9 - -package bson // import "go.mongodb.org/mongo-driver/bson" - -import ( - "go.mongodb.org/mongo-driver/bson/primitive" -) - -// Zeroer allows custom struct types to implement a report of zero -// state. All struct types that don't implement Zeroer or where IsZero -// returns false are considered to be not zero. -type Zeroer interface { - IsZero() bool -} - -// D represents a BSON Document. This type can be used to represent BSON in a concise and readable -// manner. It should generally be used when serializing to BSON. For deserializing, the Raw or -// Document types should be used. -// -// Example usage: -// -// bson.D{{"foo", "bar"}, {"hello", "world"}, {"pi", 3.14159}} -// -// This type should be used in situations where order matters, such as MongoDB commands. If the -// order is not important, a map is more comfortable and concise. -type D = primitive.D - -// E represents a BSON element for a D. It is usually used inside a D. -type E = primitive.E - -// M is an unordered, concise representation of a BSON Document. It should generally be used to -// serialize BSON when the order of the elements of a BSON document do not matter. If the element -// order matters, use a D instead. -// -// Example usage: -// -// bson.M{"foo": "bar", "hello": "world", "pi": 3.14159} -// -// This type is handled in the encoders as a regular map[string]interface{}. The elements will be -// serialized in an undefined, random order, and the order will be different each time. -type M = primitive.M - -// An A represents a BSON array. This type can be used to represent a BSON array in a concise and -// readable manner. It should generally be used when serializing to BSON. For deserializing, the -// RawArray or Array types should be used. -// -// Example usage: -// -// bson.A{"bar", "world", 3.14159, bson.D{{"qux", 12345}}} -// -type A = primitive.A diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bson_1_8.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bson_1_8.go deleted file mode 100644 index caf5f50a7..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bson_1_8.go +++ /dev/null @@ -1,91 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -// +build !go1.9 - -package bson // import "go.mongodb.org/mongo-driver/bson" - -import ( - "math" - "strconv" - "strings" -) - -// Zeroer allows custom struct types to implement a report of zero -// state. All struct types that don't implement Zeroer or where IsZero -// returns false are considered to be not zero. -type Zeroer interface { - IsZero() bool -} - -// D represents a BSON Document. This type can be used to represent BSON in a concise and readable -// manner. It should generally be used when serializing to BSON. For deserializing, the Raw or -// Document types should be used. -// -// Example usage: -// -// primitive.D{{"foo", "bar"}, {"hello", "world"}, {"pi", 3.14159}} -// -// This type should be used in situations where order matters, such as MongoDB commands. If the -// order is not important, a map is more comfortable and concise. -type D []E - -// Map creates a map from the elements of the D. -func (d D) Map() M { - m := make(M, len(d)) - for _, e := range d { - m[e.Key] = e.Value - } - return m -} - -// E represents a BSON element for a D. It is usually used inside a D. -type E struct { - Key string - Value interface{} -} - -// M is an unordered, concise representation of a BSON Document. It should generally be used to -// serialize BSON when the order of the elements of a BSON document do not matter. If the element -// order matters, use a D instead. -// -// Example usage: -// -// primitive.M{"foo": "bar", "hello": "world", "pi": 3.14159} -// -// This type is handled in the encoders as a regular map[string]interface{}. The elements will be -// serialized in an undefined, random order, and the order will be different each time. -type M map[string]interface{} - -// An A represents a BSON array. This type can be used to represent a BSON array in a concise and -// readable manner. It should generally be used when serializing to BSON. For deserializing, the -// RawArray or Array types should be used. -// -// Example usage: -// -// primitive.A{"bar", "world", 3.14159, primitive.D{{"qux", 12345}}} -// -type A []interface{} - -func formatDouble(f float64) string { - var s string - if math.IsInf(f, 1) { - s = "Infinity" - } else if math.IsInf(f, -1) { - s = "-Infinity" - } else if math.IsNaN(f) { - s = "NaN" - } else { - // Print exactly one decimalType place for integers; otherwise, print as many are necessary to - // perfectly represent it. - s = strconv.FormatFloat(f, 'G', -1, 64) - if !strings.ContainsRune(s, '.') { - s += ".0" - } - } - - return s -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go deleted file mode 100644 index 0ebc9a156..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec // import "go.mongodb.org/mongo-driver/bson/bsoncodec" - -import ( - "fmt" - "reflect" - "strings" - - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" -) - -// Marshaler is an interface implemented by types that can marshal themselves -// into a BSON document represented as bytes. The bytes returned must be a valid -// BSON document if the error is nil. -type Marshaler interface { - MarshalBSON() ([]byte, error) -} - -// ValueMarshaler is an interface implemented by types that can marshal -// themselves into a BSON value as bytes. The type must be the valid type for -// the bytes returned. The bytes and byte type together must be valid if the -// error is nil. -type ValueMarshaler interface { - MarshalBSONValue() (bsontype.Type, []byte, error) -} - -// Unmarshaler is an interface implemented by types that can unmarshal a BSON -// document representation of themselves. The BSON bytes can be assumed to be -// valid. UnmarshalBSON must copy the BSON bytes if it wishes to retain the data -// after returning. -type Unmarshaler interface { - UnmarshalBSON([]byte) error -} - -// ValueUnmarshaler is an interface implemented by types that can unmarshal a -// BSON value representaiton of themselves. The BSON bytes and type can be -// assumed to be valid. UnmarshalBSONValue must copy the BSON value bytes if it -// wishes to retain the data after returning. -type ValueUnmarshaler interface { - UnmarshalBSONValue(bsontype.Type, []byte) error -} - -// ValueEncoderError is an error returned from a ValueEncoder when the provided value can't be -// encoded by the ValueEncoder. -type ValueEncoderError struct { - Name string - Types []reflect.Type - Kinds []reflect.Kind - Received reflect.Value -} - -func (vee ValueEncoderError) Error() string { - typeKinds := make([]string, 0, len(vee.Types)+len(vee.Kinds)) - for _, t := range vee.Types { - typeKinds = append(typeKinds, t.String()) - } - for _, k := range vee.Kinds { - if k == reflect.Map { - typeKinds = append(typeKinds, "map[string]*") - continue - } - typeKinds = append(typeKinds, k.String()) - } - received := vee.Received.Kind().String() - if vee.Received.IsValid() { - received = vee.Received.Type().String() - } - return fmt.Sprintf("%s can only encode valid %s, but got %s", vee.Name, strings.Join(typeKinds, ", "), received) -} - -// ValueDecoderError is an error returned from a ValueDecoder when the provided value can't be -// decoded by the ValueDecoder. -type ValueDecoderError struct { - Name string - Types []reflect.Type - Kinds []reflect.Kind - Received reflect.Value -} - -func (vde ValueDecoderError) Error() string { - typeKinds := make([]string, 0, len(vde.Types)+len(vde.Kinds)) - for _, t := range vde.Types { - typeKinds = append(typeKinds, t.String()) - } - for _, k := range vde.Kinds { - if k == reflect.Map { - typeKinds = append(typeKinds, "map[string]*") - continue - } - typeKinds = append(typeKinds, k.String()) - } - received := vde.Received.Kind().String() - if vde.Received.IsValid() { - received = vde.Received.Type().String() - } - return fmt.Sprintf("%s can only decode valid and settable %s, but got %s", vde.Name, strings.Join(typeKinds, ", "), received) -} - -// EncodeContext is the contextual information required for a Codec to encode a -// value. -type EncodeContext struct { - *Registry - MinSize bool -} - -// DecodeContext is the contextual information required for a Codec to decode a -// value. -type DecodeContext struct { - *Registry - Truncate bool - // Ancestor is the type of a containing document. This is mainly used to determine what type - // should be used when decoding an embedded document into an empty interface. For example, if - // Ancestor is a bson.M, BSON embedded document values being decoded into an empty interface - // will be decoded into a bson.M. - Ancestor reflect.Type -} - -// ValueCodec is the interface that groups the methods to encode and decode -// values. -type ValueCodec interface { - ValueEncoder - ValueDecoder -} - -// ValueEncoder is the interface implemented by types that can handle the encoding of a value. -type ValueEncoder interface { - EncodeValue(EncodeContext, bsonrw.ValueWriter, reflect.Value) error -} - -// ValueEncoderFunc is an adapter function that allows a function with the correct signature to be -// used as a ValueEncoder. -type ValueEncoderFunc func(EncodeContext, bsonrw.ValueWriter, reflect.Value) error - -// EncodeValue implements the ValueEncoder interface. -func (fn ValueEncoderFunc) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - return fn(ec, vw, val) -} - -// ValueDecoder is the interface implemented by types that can handle the decoding of a value. -type ValueDecoder interface { - DecodeValue(DecodeContext, bsonrw.ValueReader, reflect.Value) error -} - -// ValueDecoderFunc is an adapter function that allows a function with the correct signature to be -// used as a ValueDecoder. -type ValueDecoderFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) error - -// DecodeValue implements the ValueDecoder interface. -func (fn ValueDecoderFunc) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - return fn(dc, vr, val) -} - -// CodecZeroer is the interface implemented by Codecs that can also determine if -// a value of the type that would be encoded is zero. -type CodecZeroer interface { - IsTypeZero(interface{}) bool -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_decoders.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_decoders.go deleted file mode 100644 index 65cd1c0a5..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_decoders.go +++ /dev/null @@ -1,1014 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "encoding/json" - "errors" - "fmt" - "math" - "net/url" - "reflect" - "strconv" - "time" - - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" - "go.mongodb.org/mongo-driver/bson/primitive" - "go.mongodb.org/mongo-driver/x/bsonx/bsoncore" -) - -var defaultValueDecoders DefaultValueDecoders - -// DefaultValueDecoders is a namespace type for the default ValueDecoders used -// when creating a registry. -type DefaultValueDecoders struct{} - -// RegisterDefaultDecoders will register the decoder methods attached to DefaultValueDecoders with -// the provided RegistryBuilder. -// -// There is no support for decoding map[string]interface{} becuase there is no decoder for -// interface{}, so users must either register this decoder themselves or use the -// EmptyInterfaceDecoder avaialble in the bson package. -func (dvd DefaultValueDecoders) RegisterDefaultDecoders(rb *RegistryBuilder) { - if rb == nil { - panic(errors.New("argument to RegisterDefaultDecoders must not be nil")) - } - - rb. - RegisterDecoder(tBinary, ValueDecoderFunc(dvd.BinaryDecodeValue)). - RegisterDecoder(tUndefined, ValueDecoderFunc(dvd.UndefinedDecodeValue)). - RegisterDecoder(tDateTime, ValueDecoderFunc(dvd.DateTimeDecodeValue)). - RegisterDecoder(tNull, ValueDecoderFunc(dvd.NullDecodeValue)). - RegisterDecoder(tRegex, ValueDecoderFunc(dvd.RegexDecodeValue)). - RegisterDecoder(tDBPointer, ValueDecoderFunc(dvd.DBPointerDecodeValue)). - RegisterDecoder(tTimestamp, ValueDecoderFunc(dvd.TimestampDecodeValue)). - RegisterDecoder(tMinKey, ValueDecoderFunc(dvd.MinKeyDecodeValue)). - RegisterDecoder(tMaxKey, ValueDecoderFunc(dvd.MaxKeyDecodeValue)). - RegisterDecoder(tJavaScript, ValueDecoderFunc(dvd.JavaScriptDecodeValue)). - RegisterDecoder(tSymbol, ValueDecoderFunc(dvd.SymbolDecodeValue)). - RegisterDecoder(tByteSlice, ValueDecoderFunc(dvd.ByteSliceDecodeValue)). - RegisterDecoder(tTime, ValueDecoderFunc(dvd.TimeDecodeValue)). - RegisterDecoder(tEmpty, ValueDecoderFunc(dvd.EmptyInterfaceDecodeValue)). - RegisterDecoder(tOID, ValueDecoderFunc(dvd.ObjectIDDecodeValue)). - RegisterDecoder(tDecimal, ValueDecoderFunc(dvd.Decimal128DecodeValue)). - RegisterDecoder(tJSONNumber, ValueDecoderFunc(dvd.JSONNumberDecodeValue)). - RegisterDecoder(tURL, ValueDecoderFunc(dvd.URLDecodeValue)). - RegisterDecoder(tValueUnmarshaler, ValueDecoderFunc(dvd.ValueUnmarshalerDecodeValue)). - RegisterDecoder(tUnmarshaler, ValueDecoderFunc(dvd.UnmarshalerDecodeValue)). - RegisterDecoder(tCoreDocument, ValueDecoderFunc(dvd.CoreDocumentDecodeValue)). - RegisterDecoder(tCodeWithScope, ValueDecoderFunc(dvd.CodeWithScopeDecodeValue)). - RegisterDefaultDecoder(reflect.Bool, ValueDecoderFunc(dvd.BooleanDecodeValue)). - RegisterDefaultDecoder(reflect.Int, ValueDecoderFunc(dvd.IntDecodeValue)). - RegisterDefaultDecoder(reflect.Int8, ValueDecoderFunc(dvd.IntDecodeValue)). - RegisterDefaultDecoder(reflect.Int16, ValueDecoderFunc(dvd.IntDecodeValue)). - RegisterDefaultDecoder(reflect.Int32, ValueDecoderFunc(dvd.IntDecodeValue)). - RegisterDefaultDecoder(reflect.Int64, ValueDecoderFunc(dvd.IntDecodeValue)). - RegisterDefaultDecoder(reflect.Uint, ValueDecoderFunc(dvd.UintDecodeValue)). - RegisterDefaultDecoder(reflect.Uint8, ValueDecoderFunc(dvd.UintDecodeValue)). - RegisterDefaultDecoder(reflect.Uint16, ValueDecoderFunc(dvd.UintDecodeValue)). - RegisterDefaultDecoder(reflect.Uint32, ValueDecoderFunc(dvd.UintDecodeValue)). - RegisterDefaultDecoder(reflect.Uint64, ValueDecoderFunc(dvd.UintDecodeValue)). - RegisterDefaultDecoder(reflect.Float32, ValueDecoderFunc(dvd.FloatDecodeValue)). - RegisterDefaultDecoder(reflect.Float64, ValueDecoderFunc(dvd.FloatDecodeValue)). - RegisterDefaultDecoder(reflect.Array, ValueDecoderFunc(dvd.ArrayDecodeValue)). - RegisterDefaultDecoder(reflect.Map, ValueDecoderFunc(dvd.MapDecodeValue)). - RegisterDefaultDecoder(reflect.Slice, ValueDecoderFunc(dvd.SliceDecodeValue)). - RegisterDefaultDecoder(reflect.String, ValueDecoderFunc(dvd.StringDecodeValue)). - RegisterDefaultDecoder(reflect.Struct, &StructCodec{cache: make(map[reflect.Type]*structDescription), parser: DefaultStructTagParser}). - RegisterDefaultDecoder(reflect.Ptr, NewPointerCodec()). - RegisterTypeMapEntry(bsontype.Double, tFloat64). - RegisterTypeMapEntry(bsontype.String, tString). - RegisterTypeMapEntry(bsontype.Array, tA). - RegisterTypeMapEntry(bsontype.Binary, tBinary). - RegisterTypeMapEntry(bsontype.Undefined, tUndefined). - RegisterTypeMapEntry(bsontype.ObjectID, tOID). - RegisterTypeMapEntry(bsontype.Boolean, tBool). - RegisterTypeMapEntry(bsontype.DateTime, tDateTime). - RegisterTypeMapEntry(bsontype.Regex, tRegex). - RegisterTypeMapEntry(bsontype.DBPointer, tDBPointer). - RegisterTypeMapEntry(bsontype.JavaScript, tJavaScript). - RegisterTypeMapEntry(bsontype.Symbol, tSymbol). - RegisterTypeMapEntry(bsontype.CodeWithScope, tCodeWithScope). - RegisterTypeMapEntry(bsontype.Int32, tInt32). - RegisterTypeMapEntry(bsontype.Int64, tInt64). - RegisterTypeMapEntry(bsontype.Timestamp, tTimestamp). - RegisterTypeMapEntry(bsontype.Decimal128, tDecimal). - RegisterTypeMapEntry(bsontype.MinKey, tMinKey). - RegisterTypeMapEntry(bsontype.MaxKey, tMaxKey). - RegisterTypeMapEntry(bsontype.Type(0), tD) -} - -// BooleanDecodeValue is the ValueDecoderFunc for bool types. -func (dvd DefaultValueDecoders) BooleanDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if vr.Type() != bsontype.Boolean { - return fmt.Errorf("cannot decode %v into a boolean", vr.Type()) - } - if !val.IsValid() || !val.CanSet() || val.Kind() != reflect.Bool { - return ValueDecoderError{Name: "BooleanDecodeValue", Kinds: []reflect.Kind{reflect.Bool}, Received: val} - } - - b, err := vr.ReadBoolean() - val.SetBool(b) - return err -} - -// IntDecodeValue is the ValueDecoderFunc for bool types. -func (dvd DefaultValueDecoders) IntDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - var i64 int64 - var err error - switch vr.Type() { - case bsontype.Int32: - i32, err := vr.ReadInt32() - if err != nil { - return err - } - i64 = int64(i32) - case bsontype.Int64: - i64, err = vr.ReadInt64() - if err != nil { - return err - } - case bsontype.Double: - f64, err := vr.ReadDouble() - if err != nil { - return err - } - if !dc.Truncate && math.Floor(f64) != f64 { - return errors.New("IntDecodeValue can only truncate float64 to an integer type when truncation is enabled") - } - if f64 > float64(math.MaxInt64) { - return fmt.Errorf("%g overflows int64", f64) - } - i64 = int64(f64) - default: - return fmt.Errorf("cannot decode %v into an integer type", vr.Type()) - } - - if !val.CanSet() { - return ValueDecoderError{ - Name: "IntDecodeValue", - Kinds: []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int}, - Received: val, - } - } - - switch val.Kind() { - case reflect.Int8: - if i64 < math.MinInt8 || i64 > math.MaxInt8 { - return fmt.Errorf("%d overflows int8", i64) - } - case reflect.Int16: - if i64 < math.MinInt16 || i64 > math.MaxInt16 { - return fmt.Errorf("%d overflows int16", i64) - } - case reflect.Int32: - if i64 < math.MinInt32 || i64 > math.MaxInt32 { - return fmt.Errorf("%d overflows int32", i64) - } - case reflect.Int64: - case reflect.Int: - if int64(int(i64)) != i64 { // Can we fit this inside of an int - return fmt.Errorf("%d overflows int", i64) - } - default: - return ValueDecoderError{ - Name: "IntDecodeValue", - Kinds: []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int}, - Received: val, - } - } - - val.SetInt(i64) - return nil -} - -// UintDecodeValue is the ValueDecoderFunc for uint types. -func (dvd DefaultValueDecoders) UintDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - var i64 int64 - var err error - switch vr.Type() { - case bsontype.Int32: - i32, err := vr.ReadInt32() - if err != nil { - return err - } - i64 = int64(i32) - case bsontype.Int64: - i64, err = vr.ReadInt64() - if err != nil { - return err - } - case bsontype.Double: - f64, err := vr.ReadDouble() - if err != nil { - return err - } - if !dc.Truncate && math.Floor(f64) != f64 { - return errors.New("UintDecodeValue can only truncate float64 to an integer type when truncation is enabled") - } - if f64 > float64(math.MaxInt64) { - return fmt.Errorf("%g overflows int64", f64) - } - i64 = int64(f64) - default: - return fmt.Errorf("cannot decode %v into an integer type", vr.Type()) - } - - if !val.CanSet() { - return ValueDecoderError{ - Name: "UintDecodeValue", - Kinds: []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint}, - Received: val, - } - } - - switch val.Kind() { - case reflect.Uint8: - if i64 < 0 || i64 > math.MaxUint8 { - return fmt.Errorf("%d overflows uint8", i64) - } - case reflect.Uint16: - if i64 < 0 || i64 > math.MaxUint16 { - return fmt.Errorf("%d overflows uint16", i64) - } - case reflect.Uint32: - if i64 < 0 || i64 > math.MaxUint32 { - return fmt.Errorf("%d overflows uint32", i64) - } - case reflect.Uint64: - if i64 < 0 { - return fmt.Errorf("%d overflows uint64", i64) - } - case reflect.Uint: - if i64 < 0 || int64(uint(i64)) != i64 { // Can we fit this inside of an uint - return fmt.Errorf("%d overflows uint", i64) - } - default: - return ValueDecoderError{ - Name: "UintDecodeValue", - Kinds: []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint}, - Received: val, - } - } - - val.SetUint(uint64(i64)) - return nil -} - -// FloatDecodeValue is the ValueDecoderFunc for float types. -func (dvd DefaultValueDecoders) FloatDecodeValue(ec DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - var f float64 - var err error - switch vr.Type() { - case bsontype.Int32: - i32, err := vr.ReadInt32() - if err != nil { - return err - } - f = float64(i32) - case bsontype.Int64: - i64, err := vr.ReadInt64() - if err != nil { - return err - } - f = float64(i64) - case bsontype.Double: - f, err = vr.ReadDouble() - if err != nil { - return err - } - default: - return fmt.Errorf("cannot decode %v into a float32 or float64 type", vr.Type()) - } - - if !val.CanSet() { - return ValueDecoderError{Name: "FloatDecodeValue", Kinds: []reflect.Kind{reflect.Float32, reflect.Float64}, Received: val} - } - - switch val.Kind() { - case reflect.Float32: - if !ec.Truncate && float64(float32(f)) != f { - return errors.New("FloatDecodeValue can only convert float64 to float32 when truncation is allowed") - } - case reflect.Float64: - default: - return ValueDecoderError{Name: "FloatDecodeValue", Kinds: []reflect.Kind{reflect.Float32, reflect.Float64}, Received: val} - } - - val.SetFloat(f) - return nil -} - -// StringDecodeValue is the ValueDecoderFunc for string types. -func (dvd DefaultValueDecoders) StringDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - var str string - var err error - switch vr.Type() { - // TODO(GODRIVER-577): Handle JavaScript and Symbol BSON types when allowed. - case bsontype.String: - str, err = vr.ReadString() - if err != nil { - return err - } - default: - return fmt.Errorf("cannot decode %v into a string type", vr.Type()) - } - if !val.CanSet() || val.Kind() != reflect.String { - return ValueDecoderError{Name: "StringDecodeValue", Kinds: []reflect.Kind{reflect.String}, Received: val} - } - - val.SetString(str) - return nil -} - -// JavaScriptDecodeValue is the ValueDecoderFunc for the primitive.JavaScript type. -func (DefaultValueDecoders) JavaScriptDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tJavaScript { - return ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tJavaScript}, Received: val} - } - - if vr.Type() != bsontype.JavaScript { - return fmt.Errorf("cannot decode %v into a primitive.JavaScript", vr.Type()) - } - - js, err := vr.ReadJavascript() - if err != nil { - return err - } - - val.SetString(js) - return nil -} - -// SymbolDecodeValue is the ValueDecoderFunc for the primitive.Symbol type. -func (DefaultValueDecoders) SymbolDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tSymbol { - return ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tSymbol}, Received: val} - } - - if vr.Type() != bsontype.Symbol { - return fmt.Errorf("cannot decode %v into a primitive.Symbol", vr.Type()) - } - - symbol, err := vr.ReadSymbol() - if err != nil { - return err - } - - val.SetString(symbol) - return nil -} - -// BinaryDecodeValue is the ValueDecoderFunc for Binary. -func (DefaultValueDecoders) BinaryDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tBinary { - return ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tBinary}, Received: val} - } - - if vr.Type() != bsontype.Binary { - return fmt.Errorf("cannot decode %v into a Binary", vr.Type()) - } - - data, subtype, err := vr.ReadBinary() - if err != nil { - return err - } - - val.Set(reflect.ValueOf(primitive.Binary{Subtype: subtype, Data: data})) - return nil -} - -// UndefinedDecodeValue is the ValueDecoderFunc for Undefined. -func (DefaultValueDecoders) UndefinedDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tUndefined { - return ValueDecoderError{Name: "UndefinedDecodeValue", Types: []reflect.Type{tUndefined}, Received: val} - } - - if vr.Type() != bsontype.Undefined { - return fmt.Errorf("cannot decode %v into an Undefined", vr.Type()) - } - - val.Set(reflect.ValueOf(primitive.Undefined{})) - return vr.ReadUndefined() -} - -// ObjectIDDecodeValue is the ValueDecoderFunc for primitive.ObjectID. -func (dvd DefaultValueDecoders) ObjectIDDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tOID { - return ValueDecoderError{Name: "ObjectIDDecodeValue", Types: []reflect.Type{tOID}, Received: val} - } - - if vr.Type() != bsontype.ObjectID { - return fmt.Errorf("cannot decode %v into an ObjectID", vr.Type()) - } - oid, err := vr.ReadObjectID() - val.Set(reflect.ValueOf(oid)) - return err -} - -// DateTimeDecodeValue is the ValueDecoderFunc for DateTime. -func (DefaultValueDecoders) DateTimeDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tDateTime { - return ValueDecoderError{Name: "DateTimeDecodeValue", Types: []reflect.Type{tDateTime}, Received: val} - } - - if vr.Type() != bsontype.DateTime { - return fmt.Errorf("cannot decode %v into a DateTime", vr.Type()) - } - - dt, err := vr.ReadDateTime() - if err != nil { - return err - } - - val.Set(reflect.ValueOf(primitive.DateTime(dt))) - return nil -} - -// NullDecodeValue is the ValueDecoderFunc for Null. -func (DefaultValueDecoders) NullDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tNull { - return ValueDecoderError{Name: "NullDecodeValue", Types: []reflect.Type{tNull}, Received: val} - } - - if vr.Type() != bsontype.Null { - return fmt.Errorf("cannot decode %v into a Null", vr.Type()) - } - - val.Set(reflect.ValueOf(primitive.Null{})) - return vr.ReadNull() -} - -// RegexDecodeValue is the ValueDecoderFunc for Regex. -func (DefaultValueDecoders) RegexDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tRegex { - return ValueDecoderError{Name: "RegexDecodeValue", Types: []reflect.Type{tRegex}, Received: val} - } - - if vr.Type() != bsontype.Regex { - return fmt.Errorf("cannot decode %v into a Regex", vr.Type()) - } - - pattern, options, err := vr.ReadRegex() - if err != nil { - return err - } - - val.Set(reflect.ValueOf(primitive.Regex{Pattern: pattern, Options: options})) - return nil -} - -// DBPointerDecodeValue is the ValueDecoderFunc for DBPointer. -func (DefaultValueDecoders) DBPointerDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tDBPointer { - return ValueDecoderError{Name: "DBPointerDecodeValue", Types: []reflect.Type{tDBPointer}, Received: val} - } - - if vr.Type() != bsontype.DBPointer { - return fmt.Errorf("cannot decode %v into a DBPointer", vr.Type()) - } - - ns, pointer, err := vr.ReadDBPointer() - if err != nil { - return err - } - - val.Set(reflect.ValueOf(primitive.DBPointer{DB: ns, Pointer: pointer})) - return nil -} - -// TimestampDecodeValue is the ValueDecoderFunc for Timestamp. -func (DefaultValueDecoders) TimestampDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tTimestamp { - return ValueDecoderError{Name: "TimestampDecodeValue", Types: []reflect.Type{tTimestamp}, Received: val} - } - - if vr.Type() != bsontype.Timestamp { - return fmt.Errorf("cannot decode %v into a Timestamp", vr.Type()) - } - - t, incr, err := vr.ReadTimestamp() - if err != nil { - return err - } - - val.Set(reflect.ValueOf(primitive.Timestamp{T: t, I: incr})) - return nil -} - -// MinKeyDecodeValue is the ValueDecoderFunc for MinKey. -func (DefaultValueDecoders) MinKeyDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tMinKey { - return ValueDecoderError{Name: "MinKeyDecodeValue", Types: []reflect.Type{tMinKey}, Received: val} - } - - if vr.Type() != bsontype.MinKey { - return fmt.Errorf("cannot decode %v into a MinKey", vr.Type()) - } - - val.Set(reflect.ValueOf(primitive.MinKey{})) - return vr.ReadMinKey() -} - -// MaxKeyDecodeValue is the ValueDecoderFunc for MaxKey. -func (DefaultValueDecoders) MaxKeyDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tMaxKey { - return ValueDecoderError{Name: "MaxKeyDecodeValue", Types: []reflect.Type{tMaxKey}, Received: val} - } - - if vr.Type() != bsontype.MaxKey { - return fmt.Errorf("cannot decode %v into a MaxKey", vr.Type()) - } - - val.Set(reflect.ValueOf(primitive.MaxKey{})) - return vr.ReadMaxKey() -} - -// Decimal128DecodeValue is the ValueDecoderFunc for primitive.Decimal128. -func (dvd DefaultValueDecoders) Decimal128DecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if vr.Type() != bsontype.Decimal128 { - return fmt.Errorf("cannot decode %v into a primitive.Decimal128", vr.Type()) - } - - if !val.CanSet() || val.Type() != tDecimal { - return ValueDecoderError{Name: "Decimal128DecodeValue", Types: []reflect.Type{tDecimal}, Received: val} - } - d128, err := vr.ReadDecimal128() - val.Set(reflect.ValueOf(d128)) - return err -} - -// JSONNumberDecodeValue is the ValueDecoderFunc for json.Number. -func (dvd DefaultValueDecoders) JSONNumberDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tJSONNumber { - return ValueDecoderError{Name: "JSONNumberDecodeValue", Types: []reflect.Type{tJSONNumber}, Received: val} - } - - switch vr.Type() { - case bsontype.Double: - f64, err := vr.ReadDouble() - if err != nil { - return err - } - val.Set(reflect.ValueOf(json.Number(strconv.FormatFloat(f64, 'g', -1, 64)))) - case bsontype.Int32: - i32, err := vr.ReadInt32() - if err != nil { - return err - } - val.Set(reflect.ValueOf(json.Number(strconv.FormatInt(int64(i32), 10)))) - case bsontype.Int64: - i64, err := vr.ReadInt64() - if err != nil { - return err - } - val.Set(reflect.ValueOf(json.Number(strconv.FormatInt(i64, 10)))) - default: - return fmt.Errorf("cannot decode %v into a json.Number", vr.Type()) - } - - return nil -} - -// URLDecodeValue is the ValueDecoderFunc for url.URL. -func (dvd DefaultValueDecoders) URLDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if vr.Type() != bsontype.String { - return fmt.Errorf("cannot decode %v into a *url.URL", vr.Type()) - } - - str, err := vr.ReadString() - if err != nil { - return err - } - - u, err := url.Parse(str) - if err != nil { - return err - } - - if !val.CanSet() || val.Type() != tURL { - return ValueDecoderError{Name: "URLDecodeValue", Types: []reflect.Type{tURL}, Received: val} - } - - val.Set(reflect.ValueOf(u).Elem()) - return nil -} - -// TimeDecodeValue is the ValueDecoderFunc for time.Time. -func (dvd DefaultValueDecoders) TimeDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if vr.Type() != bsontype.DateTime { - return fmt.Errorf("cannot decode %v into a time.Time", vr.Type()) - } - - dt, err := vr.ReadDateTime() - if err != nil { - return err - } - - if !val.CanSet() || val.Type() != tTime { - return ValueDecoderError{Name: "TimeDecodeValue", Types: []reflect.Type{tTime}, Received: val} - } - - val.Set(reflect.ValueOf(time.Unix(dt/1000, dt%1000*1000000).UTC())) - return nil -} - -// ByteSliceDecodeValue is the ValueDecoderFunc for []byte. -func (dvd DefaultValueDecoders) ByteSliceDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if vr.Type() != bsontype.Binary && vr.Type() != bsontype.Null { - return fmt.Errorf("cannot decode %v into a []byte", vr.Type()) - } - - if !val.CanSet() || val.Type() != tByteSlice { - return ValueDecoderError{Name: "ByteSliceDecodeValue", Types: []reflect.Type{tByteSlice}, Received: val} - } - - if vr.Type() == bsontype.Null { - val.Set(reflect.Zero(val.Type())) - return vr.ReadNull() - } - - data, subtype, err := vr.ReadBinary() - if err != nil { - return err - } - if subtype != 0x00 { - return fmt.Errorf("ByteSliceDecodeValue can only be used to decode subtype 0x00 for %s, got %v", bsontype.Binary, subtype) - } - - val.Set(reflect.ValueOf(data)) - return nil -} - -// MapDecodeValue is the ValueDecoderFunc for map[string]* types. -func (dvd DefaultValueDecoders) MapDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Kind() != reflect.Map || val.Type().Key().Kind() != reflect.String { - return ValueDecoderError{Name: "MapDecodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val} - } - - switch vr.Type() { - case bsontype.Type(0), bsontype.EmbeddedDocument: - case bsontype.Null: - val.Set(reflect.Zero(val.Type())) - return vr.ReadNull() - default: - return fmt.Errorf("cannot decode %v into a %s", vr.Type(), val.Type()) - } - - dr, err := vr.ReadDocument() - if err != nil { - return err - } - - if val.IsNil() { - val.Set(reflect.MakeMap(val.Type())) - } - - eType := val.Type().Elem() - decoder, err := dc.LookupDecoder(eType) - if err != nil { - return err - } - - if eType == tEmpty { - dc.Ancestor = val.Type() - } - - keyType := val.Type().Key() - for { - key, vr, err := dr.ReadElement() - if err == bsonrw.ErrEOD { - break - } - if err != nil { - return err - } - - elem := reflect.New(eType).Elem() - - err = decoder.DecodeValue(dc, vr, elem) - if err != nil { - return err - } - - val.SetMapIndex(reflect.ValueOf(key).Convert(keyType), elem) - } - return nil -} - -// ArrayDecodeValue is the ValueDecoderFunc for array types. -func (dvd DefaultValueDecoders) ArrayDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Array { - return ValueDecoderError{Name: "ArrayDecodeValue", Kinds: []reflect.Kind{reflect.Array}, Received: val} - } - - switch vr.Type() { - case bsontype.Array: - case bsontype.Type(0), bsontype.EmbeddedDocument: - if val.Type().Elem() != tE { - return fmt.Errorf("cannot decode document into %s", val.Type()) - } - default: - return fmt.Errorf("cannot decode %v into an array", vr.Type()) - } - - var elemsFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) ([]reflect.Value, error) - switch val.Type().Elem() { - case tE: - elemsFunc = dvd.decodeD - default: - elemsFunc = dvd.decodeDefault - } - - elems, err := elemsFunc(dc, vr, val) - if err != nil { - return err - } - - if len(elems) > val.Len() { - return fmt.Errorf("more elements returned in array than can fit inside %s", val.Type()) - } - - for idx, elem := range elems { - val.Index(idx).Set(elem) - } - - return nil -} - -// SliceDecodeValue is the ValueDecoderFunc for slice types. -func (dvd DefaultValueDecoders) SliceDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Kind() != reflect.Slice { - return ValueDecoderError{Name: "SliceDecodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val} - } - - switch vr.Type() { - case bsontype.Array: - case bsontype.Null: - val.Set(reflect.Zero(val.Type())) - return vr.ReadNull() - case bsontype.Type(0), bsontype.EmbeddedDocument: - if val.Type().Elem() != tE { - return fmt.Errorf("cannot decode document into %s", val.Type()) - } - default: - return fmt.Errorf("cannot decode %v into a slice", vr.Type()) - } - - var elemsFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) ([]reflect.Value, error) - switch val.Type().Elem() { - case tE: - dc.Ancestor = val.Type() - elemsFunc = dvd.decodeD - default: - elemsFunc = dvd.decodeDefault - } - - elems, err := elemsFunc(dc, vr, val) - if err != nil { - return err - } - - if val.IsNil() { - val.Set(reflect.MakeSlice(val.Type(), 0, len(elems))) - } - - val.SetLen(0) - val.Set(reflect.Append(val, elems...)) - - return nil -} - -// ValueUnmarshalerDecodeValue is the ValueDecoderFunc for ValueUnmarshaler implementations. -func (dvd DefaultValueDecoders) ValueUnmarshalerDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.IsValid() || (!val.Type().Implements(tValueUnmarshaler) && !reflect.PtrTo(val.Type()).Implements(tValueUnmarshaler)) { - return ValueDecoderError{Name: "ValueUnmarshalerDecodeValue", Types: []reflect.Type{tValueUnmarshaler}, Received: val} - } - - if val.Kind() == reflect.Ptr && val.IsNil() { - if !val.CanSet() { - return ValueDecoderError{Name: "ValueUnmarshalerDecodeValue", Types: []reflect.Type{tValueUnmarshaler}, Received: val} - } - val.Set(reflect.New(val.Type().Elem())) - } - - if !val.Type().Implements(tValueUnmarshaler) { - if !val.CanAddr() { - return ValueDecoderError{Name: "ValueUnmarshalerDecodeValue", Types: []reflect.Type{tValueUnmarshaler}, Received: val} - } - val = val.Addr() // If they type doesn't implement the interface, a pointer to it must. - } - - t, src, err := bsonrw.Copier{}.CopyValueToBytes(vr) - if err != nil { - return err - } - - fn := val.Convert(tValueUnmarshaler).MethodByName("UnmarshalBSONValue") - errVal := fn.Call([]reflect.Value{reflect.ValueOf(t), reflect.ValueOf(src)})[0] - if !errVal.IsNil() { - return errVal.Interface().(error) - } - return nil -} - -// UnmarshalerDecodeValue is the ValueDecoderFunc for Unmarshaler implementations. -func (dvd DefaultValueDecoders) UnmarshalerDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.IsValid() || (!val.Type().Implements(tUnmarshaler) && !reflect.PtrTo(val.Type()).Implements(tUnmarshaler)) { - return ValueDecoderError{Name: "UnmarshalerDecodeValue", Types: []reflect.Type{tUnmarshaler}, Received: val} - } - - if val.Kind() == reflect.Ptr && val.IsNil() { - if !val.CanSet() { - return ValueDecoderError{Name: "UnmarshalerDecodeValue", Types: []reflect.Type{tUnmarshaler}, Received: val} - } - val.Set(reflect.New(val.Type().Elem())) - } - - if !val.Type().Implements(tUnmarshaler) { - if !val.CanAddr() { - return ValueDecoderError{Name: "UnmarshalerDecodeValue", Types: []reflect.Type{tUnmarshaler}, Received: val} - } - val = val.Addr() // If they type doesn't implement the interface, a pointer to it must. - } - - _, src, err := bsonrw.Copier{}.CopyValueToBytes(vr) - if err != nil { - return err - } - - fn := val.Convert(tUnmarshaler).MethodByName("UnmarshalBSON") - errVal := fn.Call([]reflect.Value{reflect.ValueOf(src)})[0] - if !errVal.IsNil() { - return errVal.Interface().(error) - } - return nil -} - -// EmptyInterfaceDecodeValue is the ValueDecoderFunc for interface{}. -func (dvd DefaultValueDecoders) EmptyInterfaceDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tEmpty { - return ValueDecoderError{Name: "EmptyInterfaceDecodeValue", Types: []reflect.Type{tEmpty}, Received: val} - } - - rtype, err := dc.LookupTypeMapEntry(vr.Type()) - if err != nil { - switch vr.Type() { - case bsontype.EmbeddedDocument: - if dc.Ancestor != nil { - rtype = dc.Ancestor - break - } - rtype = tD - case bsontype.Null: - val.Set(reflect.Zero(val.Type())) - return vr.ReadNull() - default: - return err - } - } - - decoder, err := dc.LookupDecoder(rtype) - if err != nil { - return err - } - - elem := reflect.New(rtype).Elem() - err = decoder.DecodeValue(dc, vr, elem) - if err != nil { - return err - } - - val.Set(elem) - return nil -} - -// CoreDocumentDecodeValue is the ValueDecoderFunc for bsoncore.Document. -func (DefaultValueDecoders) CoreDocumentDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tCoreDocument { - return ValueDecoderError{Name: "CoreDocumentDecodeValue", Types: []reflect.Type{tCoreDocument}, Received: val} - } - - if val.IsNil() { - val.Set(reflect.MakeSlice(val.Type(), 0, 0)) - } - - val.SetLen(0) - - cdoc, err := bsonrw.Copier{}.AppendDocumentBytes(val.Interface().(bsoncore.Document), vr) - val.Set(reflect.ValueOf(cdoc)) - return err -} - -func (dvd DefaultValueDecoders) decodeDefault(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) ([]reflect.Value, error) { - elems := make([]reflect.Value, 0) - - ar, err := vr.ReadArray() - if err != nil { - return nil, err - } - - eType := val.Type().Elem() - - decoder, err := dc.LookupDecoder(eType) - if err != nil { - return nil, err - } - - for { - vr, err := ar.ReadValue() - if err == bsonrw.ErrEOA { - break - } - if err != nil { - return nil, err - } - - elem := reflect.New(eType).Elem() - - err = decoder.DecodeValue(dc, vr, elem) - if err != nil { - return nil, err - } - elems = append(elems, elem) - } - - return elems, nil -} - -// CodeWithScopeDecodeValue is the ValueDecoderFunc for CodeWithScope. -func (dvd DefaultValueDecoders) CodeWithScopeDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Type() != tCodeWithScope { - return ValueDecoderError{Name: "CodeWithScopeDecodeValue", Types: []reflect.Type{tCodeWithScope}, Received: val} - } - - if vr.Type() != bsontype.CodeWithScope { - return fmt.Errorf("cannot decode %v into a primitive.CodeWithScope", vr.Type()) - } - - code, dr, err := vr.ReadCodeWithScope() - if err != nil { - return err - } - - scope := reflect.New(tD).Elem() - - elems, err := dvd.decodeElemsFromDocumentReader(dc, dr) - if err != nil { - return err - } - - scope.Set(reflect.MakeSlice(tD, 0, len(elems))) - scope.Set(reflect.Append(scope, elems...)) - - val.Set(reflect.ValueOf(primitive.CodeWithScope{Code: primitive.JavaScript(code), Scope: scope.Interface().(primitive.D)})) - return nil -} - -func (dvd DefaultValueDecoders) decodeD(dc DecodeContext, vr bsonrw.ValueReader, _ reflect.Value) ([]reflect.Value, error) { - switch vr.Type() { - case bsontype.Type(0), bsontype.EmbeddedDocument: - default: - return nil, fmt.Errorf("cannot decode %v into a D", vr.Type()) - } - - dr, err := vr.ReadDocument() - if err != nil { - return nil, err - } - - return dvd.decodeElemsFromDocumentReader(dc, dr) -} - -func (DefaultValueDecoders) decodeElemsFromDocumentReader(dc DecodeContext, dr bsonrw.DocumentReader) ([]reflect.Value, error) { - decoder, err := dc.LookupDecoder(tEmpty) - if err != nil { - return nil, err - } - - elems := make([]reflect.Value, 0) - for { - key, vr, err := dr.ReadElement() - if err == bsonrw.ErrEOD { - break - } - if err != nil { - return nil, err - } - - val := reflect.New(tEmpty).Elem() - err = decoder.DecodeValue(dc, vr, val) - if err != nil { - return nil, err - } - - elems = append(elems, reflect.ValueOf(primitive.E{Key: key, Value: val.Interface()})) - } - - return elems, nil -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go deleted file mode 100644 index 39ebfc7ec..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go +++ /dev/null @@ -1,648 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "encoding/json" - "errors" - "fmt" - "math" - "net/url" - "reflect" - "sync" - "time" - - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" - "go.mongodb.org/mongo-driver/bson/primitive" - "go.mongodb.org/mongo-driver/x/bsonx/bsoncore" -) - -var defaultValueEncoders DefaultValueEncoders - -var bvwPool = bsonrw.NewBSONValueWriterPool() - -var sliceWriterPool = sync.Pool{ - New: func() interface{} { - sw := make(bsonrw.SliceWriter, 0, 0) - return &sw - }, -} - -func encodeElement(ec EncodeContext, dw bsonrw.DocumentWriter, e primitive.E) error { - vw, err := dw.WriteDocumentElement(e.Key) - if err != nil { - return err - } - - if e.Value == nil { - return vw.WriteNull() - } - encoder, err := ec.LookupEncoder(reflect.TypeOf(e.Value)) - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, vw, reflect.ValueOf(e.Value)) - if err != nil { - return err - } - return nil -} - -// DefaultValueEncoders is a namespace type for the default ValueEncoders used -// when creating a registry. -type DefaultValueEncoders struct{} - -// RegisterDefaultEncoders will register the encoder methods attached to DefaultValueEncoders with -// the provided RegistryBuilder. -func (dve DefaultValueEncoders) RegisterDefaultEncoders(rb *RegistryBuilder) { - if rb == nil { - panic(errors.New("argument to RegisterDefaultEncoders must not be nil")) - } - rb. - RegisterEncoder(tByteSlice, ValueEncoderFunc(dve.ByteSliceEncodeValue)). - RegisterEncoder(tTime, ValueEncoderFunc(dve.TimeEncodeValue)). - RegisterEncoder(tEmpty, ValueEncoderFunc(dve.EmptyInterfaceEncodeValue)). - RegisterEncoder(tOID, ValueEncoderFunc(dve.ObjectIDEncodeValue)). - RegisterEncoder(tDecimal, ValueEncoderFunc(dve.Decimal128EncodeValue)). - RegisterEncoder(tJSONNumber, ValueEncoderFunc(dve.JSONNumberEncodeValue)). - RegisterEncoder(tURL, ValueEncoderFunc(dve.URLEncodeValue)). - RegisterEncoder(tValueMarshaler, ValueEncoderFunc(dve.ValueMarshalerEncodeValue)). - RegisterEncoder(tMarshaler, ValueEncoderFunc(dve.MarshalerEncodeValue)). - RegisterEncoder(tProxy, ValueEncoderFunc(dve.ProxyEncodeValue)). - RegisterEncoder(tJavaScript, ValueEncoderFunc(dve.JavaScriptEncodeValue)). - RegisterEncoder(tSymbol, ValueEncoderFunc(dve.SymbolEncodeValue)). - RegisterEncoder(tBinary, ValueEncoderFunc(dve.BinaryEncodeValue)). - RegisterEncoder(tUndefined, ValueEncoderFunc(dve.UndefinedEncodeValue)). - RegisterEncoder(tDateTime, ValueEncoderFunc(dve.DateTimeEncodeValue)). - RegisterEncoder(tNull, ValueEncoderFunc(dve.NullEncodeValue)). - RegisterEncoder(tRegex, ValueEncoderFunc(dve.RegexEncodeValue)). - RegisterEncoder(tDBPointer, ValueEncoderFunc(dve.DBPointerEncodeValue)). - RegisterEncoder(tTimestamp, ValueEncoderFunc(dve.TimestampEncodeValue)). - RegisterEncoder(tMinKey, ValueEncoderFunc(dve.MinKeyEncodeValue)). - RegisterEncoder(tMaxKey, ValueEncoderFunc(dve.MaxKeyEncodeValue)). - RegisterEncoder(tCoreDocument, ValueEncoderFunc(dve.CoreDocumentEncodeValue)). - RegisterEncoder(tCodeWithScope, ValueEncoderFunc(dve.CodeWithScopeEncodeValue)). - RegisterDefaultEncoder(reflect.Bool, ValueEncoderFunc(dve.BooleanEncodeValue)). - RegisterDefaultEncoder(reflect.Int, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int8, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int16, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int32, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int64, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Uint, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint8, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint16, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint32, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint64, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Float32, ValueEncoderFunc(dve.FloatEncodeValue)). - RegisterDefaultEncoder(reflect.Float64, ValueEncoderFunc(dve.FloatEncodeValue)). - RegisterDefaultEncoder(reflect.Array, ValueEncoderFunc(dve.ArrayEncodeValue)). - RegisterDefaultEncoder(reflect.Map, ValueEncoderFunc(dve.MapEncodeValue)). - RegisterDefaultEncoder(reflect.Slice, ValueEncoderFunc(dve.SliceEncodeValue)). - RegisterDefaultEncoder(reflect.String, ValueEncoderFunc(dve.StringEncodeValue)). - RegisterDefaultEncoder(reflect.Struct, &StructCodec{cache: make(map[reflect.Type]*structDescription), parser: DefaultStructTagParser}). - RegisterDefaultEncoder(reflect.Ptr, NewPointerCodec()) -} - -// BooleanEncodeValue is the ValueEncoderFunc for bool types. -func (dve DefaultValueEncoders) BooleanEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Bool { - return ValueEncoderError{Name: "BooleanEncodeValue", Kinds: []reflect.Kind{reflect.Bool}, Received: val} - } - return vw.WriteBoolean(val.Bool()) -} - -func fitsIn32Bits(i int64) bool { - return math.MinInt32 <= i && i <= math.MaxInt32 -} - -// IntEncodeValue is the ValueEncoderFunc for int types. -func (dve DefaultValueEncoders) IntEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - switch val.Kind() { - case reflect.Int8, reflect.Int16, reflect.Int32: - return vw.WriteInt32(int32(val.Int())) - case reflect.Int: - i64 := val.Int() - if fitsIn32Bits(i64) { - return vw.WriteInt32(int32(i64)) - } - return vw.WriteInt64(i64) - case reflect.Int64: - i64 := val.Int() - if ec.MinSize && fitsIn32Bits(i64) { - return vw.WriteInt32(int32(i64)) - } - return vw.WriteInt64(i64) - } - - return ValueEncoderError{ - Name: "IntEncodeValue", - Kinds: []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int}, - Received: val, - } -} - -// UintEncodeValue is the ValueEncoderFunc for uint types. -func (dve DefaultValueEncoders) UintEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - switch val.Kind() { - case reflect.Uint8, reflect.Uint16: - return vw.WriteInt32(int32(val.Uint())) - case reflect.Uint, reflect.Uint32, reflect.Uint64: - u64 := val.Uint() - if ec.MinSize && u64 <= math.MaxInt32 { - return vw.WriteInt32(int32(u64)) - } - if u64 > math.MaxInt64 { - return fmt.Errorf("%d overflows int64", u64) - } - return vw.WriteInt64(int64(u64)) - } - - return ValueEncoderError{ - Name: "UintEncodeValue", - Kinds: []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint}, - Received: val, - } -} - -// FloatEncodeValue is the ValueEncoderFunc for float types. -func (dve DefaultValueEncoders) FloatEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - switch val.Kind() { - case reflect.Float32, reflect.Float64: - return vw.WriteDouble(val.Float()) - } - - return ValueEncoderError{Name: "FloatEncodeValue", Kinds: []reflect.Kind{reflect.Float32, reflect.Float64}, Received: val} -} - -// StringEncodeValue is the ValueEncoderFunc for string types. -func (dve DefaultValueEncoders) StringEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if val.Kind() != reflect.String { - return ValueEncoderError{ - Name: "StringEncodeValue", - Kinds: []reflect.Kind{reflect.String}, - Received: val, - } - } - - return vw.WriteString(val.String()) -} - -// ObjectIDEncodeValue is the ValueEncoderFunc for primitive.ObjectID. -func (dve DefaultValueEncoders) ObjectIDEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tOID { - return ValueEncoderError{Name: "ObjectIDEncodeValue", Types: []reflect.Type{tOID}, Received: val} - } - return vw.WriteObjectID(val.Interface().(primitive.ObjectID)) -} - -// Decimal128EncodeValue is the ValueEncoderFunc for primitive.Decimal128. -func (dve DefaultValueEncoders) Decimal128EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tDecimal { - return ValueEncoderError{Name: "Decimal128EncodeValue", Types: []reflect.Type{tDecimal}, Received: val} - } - return vw.WriteDecimal128(val.Interface().(primitive.Decimal128)) -} - -// JSONNumberEncodeValue is the ValueEncoderFunc for json.Number. -func (dve DefaultValueEncoders) JSONNumberEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tJSONNumber { - return ValueEncoderError{Name: "JSONNumberEncodeValue", Types: []reflect.Type{tJSONNumber}, Received: val} - } - jsnum := val.Interface().(json.Number) - - // Attempt int first, then float64 - if i64, err := jsnum.Int64(); err == nil { - return dve.IntEncodeValue(ec, vw, reflect.ValueOf(i64)) - } - - f64, err := jsnum.Float64() - if err != nil { - return err - } - - return dve.FloatEncodeValue(ec, vw, reflect.ValueOf(f64)) -} - -// URLEncodeValue is the ValueEncoderFunc for url.URL. -func (dve DefaultValueEncoders) URLEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tURL { - return ValueEncoderError{Name: "URLEncodeValue", Types: []reflect.Type{tURL}, Received: val} - } - u := val.Interface().(url.URL) - return vw.WriteString(u.String()) -} - -// TimeEncodeValue is the ValueEncoderFunc for time.TIme. -func (dve DefaultValueEncoders) TimeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tTime { - return ValueEncoderError{Name: "TimeEncodeValue", Types: []reflect.Type{tTime}, Received: val} - } - tt := val.Interface().(time.Time) - return vw.WriteDateTime(tt.Unix()*1000 + int64(tt.Nanosecond()/1e6)) -} - -// ByteSliceEncodeValue is the ValueEncoderFunc for []byte. -func (dve DefaultValueEncoders) ByteSliceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tByteSlice { - return ValueEncoderError{Name: "ByteSliceEncodeValue", Types: []reflect.Type{tByteSlice}, Received: val} - } - if val.IsNil() { - return vw.WriteNull() - } - return vw.WriteBinary(val.Interface().([]byte)) -} - -// MapEncodeValue is the ValueEncoderFunc for map[string]* types. -func (dve DefaultValueEncoders) MapEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Map || val.Type().Key().Kind() != reflect.String { - return ValueEncoderError{Name: "MapEncodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val} - } - - if val.IsNil() { - // If we have a nill map but we can't WriteNull, that means we're probably trying to encode - // to a TopLevel document. We can't currently tell if this is what actually happened, but if - // there's a deeper underlying problem, the error will also be returned from WriteDocument, - // so just continue. The operations on a map reflection value are valid, so we can call - // MapKeys within mapEncodeValue without a problem. - err := vw.WriteNull() - if err == nil { - return nil - } - } - - dw, err := vw.WriteDocument() - if err != nil { - return err - } - - return dve.mapEncodeValue(ec, dw, val, nil) -} - -// mapEncodeValue handles encoding of the values of a map. The collisionFn returns -// true if the provided key exists, this is mainly used for inline maps in the -// struct codec. -func (dve DefaultValueEncoders) mapEncodeValue(ec EncodeContext, dw bsonrw.DocumentWriter, val reflect.Value, collisionFn func(string) bool) error { - - encoder, err := ec.LookupEncoder(val.Type().Elem()) - if err != nil { - return err - } - - keys := val.MapKeys() - for _, key := range keys { - if collisionFn != nil && collisionFn(key.String()) { - return fmt.Errorf("Key %s of inlined map conflicts with a struct field name", key) - } - vw, err := dw.WriteDocumentElement(key.String()) - if err != nil { - return err - } - - if enc, ok := encoder.(ValueEncoder); ok { - err = enc.EncodeValue(ec, vw, val.MapIndex(key)) - if err != nil { - return err - } - continue - } - err = encoder.EncodeValue(ec, vw, val.MapIndex(key)) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() -} - -// ArrayEncodeValue is the ValueEncoderFunc for array types. -func (dve DefaultValueEncoders) ArrayEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Array { - return ValueEncoderError{Name: "ArrayEncodeValue", Kinds: []reflect.Kind{reflect.Array}, Received: val} - } - - // If we have a []primitive.E we want to treat it as a document instead of as an array. - if val.Type().Elem() == tE { - dw, err := vw.WriteDocument() - if err != nil { - return err - } - - for idx := 0; idx < val.Len(); idx++ { - e := val.Index(idx).Interface().(primitive.E) - err = encodeElement(ec, dw, e) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() - } - - aw, err := vw.WriteArray() - if err != nil { - return err - } - - encoder, err := ec.LookupEncoder(val.Type().Elem()) - if err != nil { - return err - } - - for idx := 0; idx < val.Len(); idx++ { - vw, err := aw.WriteArrayElement() - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, vw, val.Index(idx)) - if err != nil { - return err - } - } - return aw.WriteArrayEnd() -} - -// SliceEncodeValue is the ValueEncoderFunc for slice types. -func (dve DefaultValueEncoders) SliceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Slice { - return ValueEncoderError{Name: "SliceEncodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val} - } - - if val.IsNil() { - return vw.WriteNull() - } - - // If we have a []primitive.E we want to treat it as a document instead of as an array. - if val.Type().ConvertibleTo(tD) { - d := val.Convert(tD).Interface().(primitive.D) - - dw, err := vw.WriteDocument() - if err != nil { - return err - } - - for _, e := range d { - err = encodeElement(ec, dw, e) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() - } - - aw, err := vw.WriteArray() - if err != nil { - return err - } - - encoder, err := ec.LookupEncoder(val.Type().Elem()) - if err != nil { - return err - } - - for idx := 0; idx < val.Len(); idx++ { - vw, err := aw.WriteArrayElement() - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, vw, val.Index(idx)) - if err != nil { - return err - } - } - return aw.WriteArrayEnd() -} - -// EmptyInterfaceEncodeValue is the ValueEncoderFunc for interface{}. -func (dve DefaultValueEncoders) EmptyInterfaceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tEmpty { - return ValueEncoderError{Name: "EmptyInterfaceEncodeValue", Types: []reflect.Type{tEmpty}, Received: val} - } - - if val.IsNil() { - return vw.WriteNull() - } - encoder, err := ec.LookupEncoder(val.Elem().Type()) - if err != nil { - return err - } - - return encoder.EncodeValue(ec, vw, val.Elem()) -} - -// ValueMarshalerEncodeValue is the ValueEncoderFunc for ValueMarshaler implementations. -func (dve DefaultValueEncoders) ValueMarshalerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || !val.Type().Implements(tValueMarshaler) { - return ValueEncoderError{Name: "ValueMarshalerEncodeValue", Types: []reflect.Type{tValueMarshaler}, Received: val} - } - - fn := val.Convert(tValueMarshaler).MethodByName("MarshalBSONValue") - returns := fn.Call(nil) - if !returns[2].IsNil() { - return returns[2].Interface().(error) - } - t, data := returns[0].Interface().(bsontype.Type), returns[1].Interface().([]byte) - return bsonrw.Copier{}.CopyValueFromBytes(vw, t, data) -} - -// MarshalerEncodeValue is the ValueEncoderFunc for Marshaler implementations. -func (dve DefaultValueEncoders) MarshalerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || !val.Type().Implements(tMarshaler) { - return ValueEncoderError{Name: "MarshalerEncodeValue", Types: []reflect.Type{tMarshaler}, Received: val} - } - - fn := val.Convert(tMarshaler).MethodByName("MarshalBSON") - returns := fn.Call(nil) - if !returns[1].IsNil() { - return returns[1].Interface().(error) - } - data := returns[0].Interface().([]byte) - return bsonrw.Copier{}.CopyValueFromBytes(vw, bsontype.EmbeddedDocument, data) -} - -// ProxyEncodeValue is the ValueEncoderFunc for Proxy implementations. -func (dve DefaultValueEncoders) ProxyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || !val.Type().Implements(tProxy) { - return ValueEncoderError{Name: "ProxyEncodeValue", Types: []reflect.Type{tProxy}, Received: val} - } - - fn := val.Convert(tProxy).MethodByName("ProxyBSON") - returns := fn.Call(nil) - if !returns[1].IsNil() { - return returns[1].Interface().(error) - } - data := returns[0] - var encoder ValueEncoder - var err error - if data.Elem().IsValid() { - encoder, err = ec.LookupEncoder(data.Elem().Type()) - } else { - encoder, err = ec.LookupEncoder(nil) - } - if err != nil { - return err - } - return encoder.EncodeValue(ec, vw, data.Elem()) -} - -// JavaScriptEncodeValue is the ValueEncoderFunc for the primitive.JavaScript type. -func (DefaultValueEncoders) JavaScriptEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tJavaScript { - return ValueEncoderError{Name: "JavaScriptEncodeValue", Types: []reflect.Type{tJavaScript}, Received: val} - } - - return vw.WriteJavascript(val.String()) -} - -// SymbolEncodeValue is the ValueEncoderFunc for the primitive.Symbol type. -func (DefaultValueEncoders) SymbolEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tSymbol { - return ValueEncoderError{Name: "SymbolEncodeValue", Types: []reflect.Type{tSymbol}, Received: val} - } - - return vw.WriteSymbol(val.String()) -} - -// BinaryEncodeValue is the ValueEncoderFunc for Binary. -func (DefaultValueEncoders) BinaryEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tBinary { - return ValueEncoderError{Name: "BinaryEncodeValue", Types: []reflect.Type{tBinary}, Received: val} - } - b := val.Interface().(primitive.Binary) - - return vw.WriteBinaryWithSubtype(b.Data, b.Subtype) -} - -// UndefinedEncodeValue is the ValueEncoderFunc for Undefined. -func (DefaultValueEncoders) UndefinedEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tUndefined { - return ValueEncoderError{Name: "UndefinedEncodeValue", Types: []reflect.Type{tUndefined}, Received: val} - } - - return vw.WriteUndefined() -} - -// DateTimeEncodeValue is the ValueEncoderFunc for DateTime. -func (DefaultValueEncoders) DateTimeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tDateTime { - return ValueEncoderError{Name: "DateTimeEncodeValue", Types: []reflect.Type{tDateTime}, Received: val} - } - - return vw.WriteDateTime(val.Int()) -} - -// NullEncodeValue is the ValueEncoderFunc for Null. -func (DefaultValueEncoders) NullEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tNull { - return ValueEncoderError{Name: "NullEncodeValue", Types: []reflect.Type{tNull}, Received: val} - } - - return vw.WriteNull() -} - -// RegexEncodeValue is the ValueEncoderFunc for Regex. -func (DefaultValueEncoders) RegexEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tRegex { - return ValueEncoderError{Name: "RegexEncodeValue", Types: []reflect.Type{tRegex}, Received: val} - } - - regex := val.Interface().(primitive.Regex) - - return vw.WriteRegex(regex.Pattern, regex.Options) -} - -// DBPointerEncodeValue is the ValueEncoderFunc for DBPointer. -func (DefaultValueEncoders) DBPointerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tDBPointer { - return ValueEncoderError{Name: "DBPointerEncodeValue", Types: []reflect.Type{tDBPointer}, Received: val} - } - - dbp := val.Interface().(primitive.DBPointer) - - return vw.WriteDBPointer(dbp.DB, dbp.Pointer) -} - -// TimestampEncodeValue is the ValueEncoderFunc for Timestamp. -func (DefaultValueEncoders) TimestampEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tTimestamp { - return ValueEncoderError{Name: "TimestampEncodeValue", Types: []reflect.Type{tTimestamp}, Received: val} - } - - ts := val.Interface().(primitive.Timestamp) - - return vw.WriteTimestamp(ts.T, ts.I) -} - -// MinKeyEncodeValue is the ValueEncoderFunc for MinKey. -func (DefaultValueEncoders) MinKeyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tMinKey { - return ValueEncoderError{Name: "MinKeyEncodeValue", Types: []reflect.Type{tMinKey}, Received: val} - } - - return vw.WriteMinKey() -} - -// MaxKeyEncodeValue is the ValueEncoderFunc for MaxKey. -func (DefaultValueEncoders) MaxKeyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tMaxKey { - return ValueEncoderError{Name: "MaxKeyEncodeValue", Types: []reflect.Type{tMaxKey}, Received: val} - } - - return vw.WriteMaxKey() -} - -// CoreDocumentEncodeValue is the ValueEncoderFunc for bsoncore.Document. -func (DefaultValueEncoders) CoreDocumentEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tCoreDocument { - return ValueEncoderError{Name: "CoreDocumentEncodeValue", Types: []reflect.Type{tCoreDocument}, Received: val} - } - - cdoc := val.Interface().(bsoncore.Document) - - return bsonrw.Copier{}.CopyDocumentFromBytes(vw, cdoc) -} - -// CodeWithScopeEncodeValue is the ValueEncoderFunc for CodeWithScope. -func (dve DefaultValueEncoders) CodeWithScopeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tCodeWithScope { - return ValueEncoderError{Name: "CodeWithScopeEncodeValue", Types: []reflect.Type{tCodeWithScope}, Received: val} - } - - cws := val.Interface().(primitive.CodeWithScope) - - dw, err := vw.WriteCodeWithScope(string(cws.Code)) - if err != nil { - return err - } - - sw := sliceWriterPool.Get().(*bsonrw.SliceWriter) - defer sliceWriterPool.Put(sw) - *sw = (*sw)[:0] - - scopeVW := bvwPool.Get(sw) - defer bvwPool.Put(scopeVW) - - encoder, err := ec.LookupEncoder(reflect.TypeOf(cws.Scope)) - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, scopeVW, reflect.ValueOf(cws.Scope)) - if err != nil { - return err - } - - err = bsonrw.Copier{}.CopyBytesToDocumentWriter(dw, *sw) - if err != nil { - return err - } - return dw.WriteDocumentEnd() -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/doc.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/doc.go deleted file mode 100644 index 978511cbf..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/doc.go +++ /dev/null @@ -1,61 +0,0 @@ -// Package bsoncodec provides a system for encoding values to BSON representations and decoding -// values from BSON representations. This package considers both binary BSON and ExtendedJSON as -// BSON representations. The types in this package enable a flexible system for handling this -// encoding and decoding. -// -// The codec system is composed of two parts: -// -// 1) ValueEncoders and ValueDecoders that handle encoding and decoding Go values to and from BSON -// representations. -// -// 2) A Registry that holds these ValueEncoders and ValueDecoders and provides methods for -// retrieving them. -// -// ValueEncoders and ValueDecoders -// -// The ValueEncoder interface is implemented by types that can encode a provided Go type to BSON. -// The value to encode is provided as a reflect.Value and a bsonrw.ValueWriter is used within the -// EncodeValue method to actually create the BSON representation. For convenience, ValueEncoderFunc -// is provided to allow use of a function with the correct signature as a ValueEncoder. An -// EncodeContext instance is provided to allow implementations to lookup further ValueEncoders and -// to provide configuration information. -// -// The ValueDecoder interface is the inverse of the ValueEncoder. Implementations should ensure that -// the value they receive is settable. Similar to ValueEncoderFunc, ValueDecoderFunc is provided to -// allow the use of a function with the correct signature as a ValueDecoder. A DecodeContext -// instance is provided and serves similar functionality to the EncodeContext. -// -// Registry and RegistryBuilder -// -// A Registry is an immutable store for ValueEncoders, ValueDecoders, and a type map. For looking up -// ValueEncoders and Decoders the Registry first attempts to find a ValueEncoder or ValueDecoder for -// the type provided; if one cannot be found it then checks to see if a registered ValueEncoder or -// ValueDecoder exists for an interface the type implements. Finally, the reflect.Kind of the type -// is used to lookup a default ValueEncoder or ValueDecoder for that kind. If no ValueEncoder or -// ValueDecoder can be found, an error is returned. -// -// The Registry also holds a type map. This allows users to retrieve the Go type that should be used -// when decoding a BSON value into an empty interface. This is primarily only used for the empty -// interface ValueDecoder. -// -// A RegistryBuilder is used to construct a Registry. The Register methods are used to associate -// either a reflect.Type or a reflect.Kind with a ValueEncoder or ValueDecoder. A RegistryBuilder -// returned from NewRegistryBuilder contains no registered ValueEncoders nor ValueDecoders and -// contains an empty type map. -// -// The RegisterTypeMapEntry method handles associating a BSON type with a Go type. For example, if -// you want to decode BSON int64 and int32 values into Go int instances, you would do the following: -// -// var regbuilder *RegistryBuilder = ... intType := reflect.TypeOf(int(0)) -// regbuilder.RegisterTypeMapEntry(bsontype.Int64, intType).RegisterTypeMapEntry(bsontype.Int32, -// intType) -// -// DefaultValueEncoders and DefaultValueDecoders -// -// The DefaultValueEncoders and DefaultValueDecoders types provide a full set of ValueEncoders and -// ValueDecoders for handling a wide range of Go types, including all of the types within the -// primitive package. To make registering these codecs easier, a helper method on each type is -// provided. For the DefaultValueEncoders type the method is called RegisterDefaultEncoders and for -// the DefaultValueDecoders type the method is called RegisterDefaultDecoders, this method also -// handles registering type map entries for each BSON type. -package bsoncodec diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/mode.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/mode.go deleted file mode 100644 index fbd9f0a9e..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/mode.go +++ /dev/null @@ -1,65 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import "fmt" - -type mode int - -const ( - _ mode = iota - mTopLevel - mDocument - mArray - mValue - mElement - mCodeWithScope - mSpacer -) - -func (m mode) String() string { - var str string - - switch m { - case mTopLevel: - str = "TopLevel" - case mDocument: - str = "DocumentMode" - case mArray: - str = "ArrayMode" - case mValue: - str = "ValueMode" - case mElement: - str = "ElementMode" - case mCodeWithScope: - str = "CodeWithScopeMode" - case mSpacer: - str = "CodeWithScopeSpacerFrame" - default: - str = "UnknownMode" - } - - return str -} - -// TransitionError is an error returned when an invalid progressing a -// ValueReader or ValueWriter state machine occurs. -type TransitionError struct { - parent mode - current mode - destination mode -} - -func (te TransitionError) Error() string { - if te.destination == mode(0) { - return fmt.Sprintf("invalid state transition: cannot read/write value while in %s", te.current) - } - if te.parent == mode(0) { - return fmt.Sprintf("invalid state transition: %s -> %s", te.current, te.destination) - } - return fmt.Sprintf("invalid state transition: %s -> %s; parent %s", te.current, te.destination, te.parent) -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/pointer_codec.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/pointer_codec.go deleted file mode 100644 index 0d9502f21..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/pointer_codec.go +++ /dev/null @@ -1,110 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "reflect" - "sync" - - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" -) - -var defaultPointerCodec = &PointerCodec{ - ecache: make(map[reflect.Type]ValueEncoder), - dcache: make(map[reflect.Type]ValueDecoder), -} - -var _ ValueEncoder = &PointerCodec{} -var _ ValueDecoder = &PointerCodec{} - -// PointerCodec is the Codec used for pointers. -type PointerCodec struct { - ecache map[reflect.Type]ValueEncoder - dcache map[reflect.Type]ValueDecoder - l sync.RWMutex -} - -// NewPointerCodec returns a PointerCodec that has been initialized. -func NewPointerCodec() *PointerCodec { - return &PointerCodec{ - ecache: make(map[reflect.Type]ValueEncoder), - dcache: make(map[reflect.Type]ValueDecoder), - } -} - -// EncodeValue handles encoding a pointer by either encoding it to BSON Null if the pointer is nil -// or looking up an encoder for the type of value the pointer points to. -func (pc *PointerCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if val.Kind() != reflect.Ptr { - if !val.IsValid() { - return vw.WriteNull() - } - return ValueEncoderError{Name: "PointerCodec.EncodeValue", Kinds: []reflect.Kind{reflect.Ptr}, Received: val} - } - - if val.IsNil() { - return vw.WriteNull() - } - - pc.l.RLock() - enc, ok := pc.ecache[val.Type()] - pc.l.RUnlock() - if ok { - if enc == nil { - return ErrNoEncoder{Type: val.Type()} - } - return enc.EncodeValue(ec, vw, val.Elem()) - } - - enc, err := ec.LookupEncoder(val.Type().Elem()) - pc.l.Lock() - pc.ecache[val.Type()] = enc - pc.l.Unlock() - if err != nil { - return err - } - - return enc.EncodeValue(ec, vw, val.Elem()) -} - -// DecodeValue handles decoding a pointer by looking up a decoder for the type it points to and -// using that to decode. If the BSON value is Null, this method will set the pointer to nil. -func (pc *PointerCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Kind() != reflect.Ptr { - return ValueDecoderError{Name: "PointerCodec.DecodeValue", Kinds: []reflect.Kind{reflect.Ptr}, Received: val} - } - - if vr.Type() == bsontype.Null { - val.Set(reflect.Zero(val.Type())) - return vr.ReadNull() - } - - if val.IsNil() { - val.Set(reflect.New(val.Type().Elem())) - } - - pc.l.RLock() - dec, ok := pc.dcache[val.Type()] - pc.l.RUnlock() - if ok { - if dec == nil { - return ErrNoDecoder{Type: val.Type()} - } - return dec.DecodeValue(dc, vr, val.Elem()) - } - - dec, err := dc.LookupDecoder(val.Type().Elem()) - pc.l.Lock() - pc.dcache[val.Type()] = dec - pc.l.Unlock() - if err != nil { - return err - } - - return dec.DecodeValue(dc, vr, val.Elem()) -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/proxy.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/proxy.go deleted file mode 100644 index 4cf2b01ab..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/proxy.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -// Proxy is an interface implemented by types that cannot themselves be directly encoded. Types -// that implement this interface with have ProxyBSON called during the encoding process and that -// value will be encoded in place for the implementer. -type Proxy interface { - ProxyBSON() (interface{}, error) -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/registry.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/registry.go deleted file mode 100644 index 42e362b6a..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/registry.go +++ /dev/null @@ -1,384 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "errors" - "reflect" - "sync" - - "go.mongodb.org/mongo-driver/bson/bsontype" -) - -// ErrNilType is returned when nil is passed to either LookupEncoder or LookupDecoder. -var ErrNilType = errors.New("cannot perform a decoder lookup on ") - -// ErrNotPointer is returned when a non-pointer type is provided to LookupDecoder. -var ErrNotPointer = errors.New("non-pointer provided to LookupDecoder") - -// ErrNoEncoder is returned when there wasn't an encoder available for a type. -type ErrNoEncoder struct { - Type reflect.Type -} - -func (ene ErrNoEncoder) Error() string { - if ene.Type == nil { - return "no encoder found for " - } - return "no encoder found for " + ene.Type.String() -} - -// ErrNoDecoder is returned when there wasn't a decoder available for a type. -type ErrNoDecoder struct { - Type reflect.Type -} - -func (end ErrNoDecoder) Error() string { - return "no decoder found for " + end.Type.String() -} - -// ErrNoTypeMapEntry is returned when there wasn't a type available for the provided BSON type. -type ErrNoTypeMapEntry struct { - Type bsontype.Type -} - -func (entme ErrNoTypeMapEntry) Error() string { - return "no type map entry found for " + entme.Type.String() -} - -// ErrNotInterface is returned when the provided type is not an interface. -var ErrNotInterface = errors.New("The provided type is not an interface") - -var defaultRegistry *Registry - -func init() { - defaultRegistry = buildDefaultRegistry() -} - -// A RegistryBuilder is used to build a Registry. This type is not goroutine -// safe. -type RegistryBuilder struct { - typeEncoders map[reflect.Type]ValueEncoder - interfaceEncoders []interfaceValueEncoder - kindEncoders map[reflect.Kind]ValueEncoder - - typeDecoders map[reflect.Type]ValueDecoder - interfaceDecoders []interfaceValueDecoder - kindDecoders map[reflect.Kind]ValueDecoder - - typeMap map[bsontype.Type]reflect.Type -} - -// A Registry is used to store and retrieve codecs for types and interfaces. This type is the main -// typed passed around and Encoders and Decoders are constructed from it. -type Registry struct { - typeEncoders map[reflect.Type]ValueEncoder - typeDecoders map[reflect.Type]ValueDecoder - - interfaceEncoders []interfaceValueEncoder - interfaceDecoders []interfaceValueDecoder - - kindEncoders map[reflect.Kind]ValueEncoder - kindDecoders map[reflect.Kind]ValueDecoder - - typeMap map[bsontype.Type]reflect.Type - - mu sync.RWMutex -} - -// NewRegistryBuilder creates a new empty RegistryBuilder. -func NewRegistryBuilder() *RegistryBuilder { - return &RegistryBuilder{ - typeEncoders: make(map[reflect.Type]ValueEncoder), - typeDecoders: make(map[reflect.Type]ValueDecoder), - - interfaceEncoders: make([]interfaceValueEncoder, 0), - interfaceDecoders: make([]interfaceValueDecoder, 0), - - kindEncoders: make(map[reflect.Kind]ValueEncoder), - kindDecoders: make(map[reflect.Kind]ValueDecoder), - - typeMap: make(map[bsontype.Type]reflect.Type), - } -} - -func buildDefaultRegistry() *Registry { - rb := NewRegistryBuilder() - defaultValueEncoders.RegisterDefaultEncoders(rb) - defaultValueDecoders.RegisterDefaultDecoders(rb) - return rb.Build() -} - -// RegisterCodec will register the provided ValueCodec for the provided type. -func (rb *RegistryBuilder) RegisterCodec(t reflect.Type, codec ValueCodec) *RegistryBuilder { - rb.RegisterEncoder(t, codec) - rb.RegisterDecoder(t, codec) - return rb -} - -// RegisterEncoder will register the provided ValueEncoder to the provided type. -// -// The type registered will be used directly, so an encoder can be registered for a type and a -// different encoder can be registered for a pointer to that type. -func (rb *RegistryBuilder) RegisterEncoder(t reflect.Type, enc ValueEncoder) *RegistryBuilder { - if t == tEmpty { - rb.typeEncoders[t] = enc - return rb - } - switch t.Kind() { - case reflect.Interface: - for idx, ir := range rb.interfaceEncoders { - if ir.i == t { - rb.interfaceEncoders[idx].ve = enc - return rb - } - } - - rb.interfaceEncoders = append(rb.interfaceEncoders, interfaceValueEncoder{i: t, ve: enc}) - default: - rb.typeEncoders[t] = enc - } - return rb -} - -// RegisterDecoder will register the provided ValueDecoder to the provided type. -// -// The type registered will be used directly, so a decoder can be registered for a type and a -// different decoder can be registered for a pointer to that type. -func (rb *RegistryBuilder) RegisterDecoder(t reflect.Type, dec ValueDecoder) *RegistryBuilder { - if t == nil { - rb.typeDecoders[nil] = dec - return rb - } - if t == tEmpty { - rb.typeDecoders[t] = dec - return rb - } - switch t.Kind() { - case reflect.Interface: - for idx, ir := range rb.interfaceDecoders { - if ir.i == t { - rb.interfaceDecoders[idx].vd = dec - return rb - } - } - - rb.interfaceDecoders = append(rb.interfaceDecoders, interfaceValueDecoder{i: t, vd: dec}) - default: - rb.typeDecoders[t] = dec - } - return rb -} - -// RegisterDefaultEncoder will registr the provided ValueEncoder to the provided -// kind. -func (rb *RegistryBuilder) RegisterDefaultEncoder(kind reflect.Kind, enc ValueEncoder) *RegistryBuilder { - rb.kindEncoders[kind] = enc - return rb -} - -// RegisterDefaultDecoder will register the provided ValueDecoder to the -// provided kind. -func (rb *RegistryBuilder) RegisterDefaultDecoder(kind reflect.Kind, dec ValueDecoder) *RegistryBuilder { - rb.kindDecoders[kind] = dec - return rb -} - -// RegisterTypeMapEntry will register the provided type to the BSON type. The primary usage for this -// mapping is decoding situations where an empty interface is used and a default type needs to be -// created and decoded into. -// -// NOTE: It is unlikely that registering a type for BSON Embedded Document is actually desired. By -// registering a type map entry for BSON Embedded Document the type registered will be used in any -// case where a BSON Embedded Document will be decoded into an empty interface. For example, if you -// register primitive.M, the EmptyInterface decoder will always use primitive.M, even if an ancestor -// was a primitive.D. -func (rb *RegistryBuilder) RegisterTypeMapEntry(bt bsontype.Type, rt reflect.Type) *RegistryBuilder { - rb.typeMap[bt] = rt - return rb -} - -// Build creates a Registry from the current state of this RegistryBuilder. -func (rb *RegistryBuilder) Build() *Registry { - registry := new(Registry) - - registry.typeEncoders = make(map[reflect.Type]ValueEncoder) - for t, enc := range rb.typeEncoders { - registry.typeEncoders[t] = enc - } - - registry.typeDecoders = make(map[reflect.Type]ValueDecoder) - for t, dec := range rb.typeDecoders { - registry.typeDecoders[t] = dec - } - - registry.interfaceEncoders = make([]interfaceValueEncoder, len(rb.interfaceEncoders)) - copy(registry.interfaceEncoders, rb.interfaceEncoders) - - registry.interfaceDecoders = make([]interfaceValueDecoder, len(rb.interfaceDecoders)) - copy(registry.interfaceDecoders, rb.interfaceDecoders) - - registry.kindEncoders = make(map[reflect.Kind]ValueEncoder) - for kind, enc := range rb.kindEncoders { - registry.kindEncoders[kind] = enc - } - - registry.kindDecoders = make(map[reflect.Kind]ValueDecoder) - for kind, dec := range rb.kindDecoders { - registry.kindDecoders[kind] = dec - } - - registry.typeMap = make(map[bsontype.Type]reflect.Type) - for bt, rt := range rb.typeMap { - registry.typeMap[bt] = rt - } - - return registry -} - -// LookupEncoder will inspect the registry for an encoder that satisfies the -// type provided. An encoder registered for a specific type will take -// precedence over an encoder registered for an interface the type satisfies, -// which takes precedence over an encoder for the reflect.Kind of the value. If -// no encoder can be found, an error is returned. -func (r *Registry) LookupEncoder(t reflect.Type) (ValueEncoder, error) { - encodererr := ErrNoEncoder{Type: t} - r.mu.RLock() - enc, found := r.lookupTypeEncoder(t) - r.mu.RUnlock() - if found { - if enc == nil { - return nil, ErrNoEncoder{Type: t} - } - return enc, nil - } - - enc, found = r.lookupInterfaceEncoder(t) - if found { - r.mu.Lock() - r.typeEncoders[t] = enc - r.mu.Unlock() - return enc, nil - } - - if t == nil { - r.mu.Lock() - r.typeEncoders[t] = nil - r.mu.Unlock() - return nil, encodererr - } - - enc, found = r.kindEncoders[t.Kind()] - if !found { - r.mu.Lock() - r.typeEncoders[t] = nil - r.mu.Unlock() - return nil, encodererr - } - - r.mu.Lock() - r.typeEncoders[t] = enc - r.mu.Unlock() - return enc, nil -} - -func (r *Registry) lookupTypeEncoder(t reflect.Type) (ValueEncoder, bool) { - enc, found := r.typeEncoders[t] - return enc, found -} - -func (r *Registry) lookupInterfaceEncoder(t reflect.Type) (ValueEncoder, bool) { - if t == nil { - return nil, false - } - for _, ienc := range r.interfaceEncoders { - if !t.Implements(ienc.i) { - continue - } - - return ienc.ve, true - } - return nil, false -} - -// LookupDecoder will inspect the registry for a decoder that satisfies the -// type provided. A decoder registered for a specific type will take -// precedence over a decoder registered for an interface the type satisfies, -// which takes precedence over a decoder for the reflect.Kind of the value. If -// no decoder can be found, an error is returned. -func (r *Registry) LookupDecoder(t reflect.Type) (ValueDecoder, error) { - if t == nil { - return nil, ErrNilType - } - decodererr := ErrNoDecoder{Type: t} - r.mu.RLock() - dec, found := r.lookupTypeDecoder(t) - r.mu.RUnlock() - if found { - if dec == nil { - return nil, ErrNoDecoder{Type: t} - } - return dec, nil - } - - dec, found = r.lookupInterfaceDecoder(t) - if found { - r.mu.Lock() - r.typeDecoders[t] = dec - r.mu.Unlock() - return dec, nil - } - - dec, found = r.kindDecoders[t.Kind()] - if !found { - r.mu.Lock() - r.typeDecoders[t] = nil - r.mu.Unlock() - return nil, decodererr - } - - r.mu.Lock() - r.typeDecoders[t] = dec - r.mu.Unlock() - return dec, nil -} - -func (r *Registry) lookupTypeDecoder(t reflect.Type) (ValueDecoder, bool) { - dec, found := r.typeDecoders[t] - return dec, found -} - -func (r *Registry) lookupInterfaceDecoder(t reflect.Type) (ValueDecoder, bool) { - for _, idec := range r.interfaceDecoders { - if !t.Implements(idec.i) && !reflect.PtrTo(t).Implements(idec.i) { - continue - } - - return idec.vd, true - } - return nil, false -} - -// LookupTypeMapEntry inspects the registry's type map for a Go type for the corresponding BSON -// type. If no type is found, ErrNoTypeMapEntry is returned. -func (r *Registry) LookupTypeMapEntry(bt bsontype.Type) (reflect.Type, error) { - t, ok := r.typeMap[bt] - if !ok || t == nil { - return nil, ErrNoTypeMapEntry{Type: bt} - } - return t, nil -} - -type interfaceValueEncoder struct { - i reflect.Type - ve ValueEncoder -} - -type interfaceValueDecoder struct { - i reflect.Type - vd ValueDecoder -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_codec.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_codec.go deleted file mode 100644 index 56eeff94b..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_codec.go +++ /dev/null @@ -1,367 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "errors" - "fmt" - "reflect" - "strings" - "sync" - - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" -) - -var defaultStructCodec = &StructCodec{ - cache: make(map[reflect.Type]*structDescription), - parser: DefaultStructTagParser, -} - -// Zeroer allows custom struct types to implement a report of zero -// state. All struct types that don't implement Zeroer or where IsZero -// returns false are considered to be not zero. -type Zeroer interface { - IsZero() bool -} - -// StructCodec is the Codec used for struct values. -type StructCodec struct { - cache map[reflect.Type]*structDescription - l sync.RWMutex - parser StructTagParser -} - -var _ ValueEncoder = &StructCodec{} -var _ ValueDecoder = &StructCodec{} - -// NewStructCodec returns a StructCodec that uses p for struct tag parsing. -func NewStructCodec(p StructTagParser) (*StructCodec, error) { - if p == nil { - return nil, errors.New("a StructTagParser must be provided to NewStructCodec") - } - - return &StructCodec{ - cache: make(map[reflect.Type]*structDescription), - parser: p, - }, nil -} - -// EncodeValue handles encoding generic struct types. -func (sc *StructCodec) EncodeValue(r EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Struct { - return ValueEncoderError{Name: "StructCodec.EncodeValue", Kinds: []reflect.Kind{reflect.Struct}, Received: val} - } - - sd, err := sc.describeStruct(r.Registry, val.Type()) - if err != nil { - return err - } - - dw, err := vw.WriteDocument() - if err != nil { - return err - } - var rv reflect.Value - for _, desc := range sd.fl { - if desc.inline == nil { - rv = val.Field(desc.idx) - } else { - rv = val.FieldByIndex(desc.inline) - } - - if desc.encoder == nil { - return ErrNoEncoder{Type: rv.Type()} - } - - encoder := desc.encoder - - iszero := sc.isZero - if iz, ok := encoder.(CodecZeroer); ok { - iszero = iz.IsTypeZero - } - - if desc.omitEmpty && iszero(rv.Interface()) { - continue - } - - vw2, err := dw.WriteDocumentElement(desc.name) - if err != nil { - return err - } - - ectx := EncodeContext{Registry: r.Registry, MinSize: desc.minSize} - err = encoder.EncodeValue(ectx, vw2, rv) - if err != nil { - return err - } - } - - if sd.inlineMap >= 0 { - rv := val.Field(sd.inlineMap) - collisionFn := func(key string) bool { - _, exists := sd.fm[key] - return exists - } - - return defaultValueEncoders.mapEncodeValue(r, dw, rv, collisionFn) - } - - return dw.WriteDocumentEnd() -} - -// DecodeValue implements the Codec interface. -// By default, map types in val will not be cleared. If a map has existing key/value pairs, it will be extended with the new ones from vr. -// For slices, the decoder will set the length of the slice to zero and append all elements. The underlying array will not be cleared. -func (sc *StructCodec) DecodeValue(r DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() || val.Kind() != reflect.Struct { - return ValueDecoderError{Name: "StructCodec.DecodeValue", Kinds: []reflect.Kind{reflect.Struct}, Received: val} - } - - switch vr.Type() { - case bsontype.Type(0), bsontype.EmbeddedDocument: - default: - return fmt.Errorf("cannot decode %v into a %s", vr.Type(), val.Type()) - } - - sd, err := sc.describeStruct(r.Registry, val.Type()) - if err != nil { - return err - } - - var decoder ValueDecoder - var inlineMap reflect.Value - if sd.inlineMap >= 0 { - inlineMap = val.Field(sd.inlineMap) - if inlineMap.IsNil() { - inlineMap.Set(reflect.MakeMap(inlineMap.Type())) - } - decoder, err = r.LookupDecoder(inlineMap.Type().Elem()) - if err != nil { - return err - } - } - - dr, err := vr.ReadDocument() - if err != nil { - return err - } - - for { - name, vr, err := dr.ReadElement() - if err == bsonrw.ErrEOD { - break - } - if err != nil { - return err - } - - fd, exists := sd.fm[name] - if !exists { - // if the original name isn't found in the struct description, try again with the name in lowercase - // this could match if a BSON tag isn't specified because by default, describeStruct lowercases all field - // names - fd, exists = sd.fm[strings.ToLower(name)] - } - - if !exists { - if sd.inlineMap < 0 { - // The encoding/json package requires a flag to return on error for non-existent fields. - // This functionality seems appropriate for the struct codec. - err = vr.Skip() - if err != nil { - return err - } - continue - } - - elem := reflect.New(inlineMap.Type().Elem()).Elem() - err = decoder.DecodeValue(r, vr, elem) - if err != nil { - return err - } - inlineMap.SetMapIndex(reflect.ValueOf(name), elem) - continue - } - - var field reflect.Value - if fd.inline == nil { - field = val.Field(fd.idx) - } else { - field = val.FieldByIndex(fd.inline) - } - - if !field.CanSet() { // Being settable is a super set of being addressable. - return fmt.Errorf("cannot decode element '%s' into field %v; it is not settable", name, field) - } - if field.Kind() == reflect.Ptr && field.IsNil() { - field.Set(reflect.New(field.Type().Elem())) - } - field = field.Addr() - - dctx := DecodeContext{Registry: r.Registry, Truncate: fd.truncate || r.Truncate} - if fd.decoder == nil { - return ErrNoDecoder{Type: field.Elem().Type()} - } - - if decoder, ok := fd.decoder.(ValueDecoder); ok { - err = decoder.DecodeValue(dctx, vr, field.Elem()) - if err != nil { - return err - } - continue - } - err = fd.decoder.DecodeValue(dctx, vr, field) - if err != nil { - return err - } - } - - return nil -} - -func (sc *StructCodec) isZero(i interface{}) bool { - v := reflect.ValueOf(i) - - // check the value validity - if !v.IsValid() { - return true - } - - if z, ok := v.Interface().(Zeroer); ok && (v.Kind() != reflect.Ptr || !v.IsNil()) { - return z.IsZero() - } - - switch v.Kind() { - case reflect.Array, reflect.Map, reflect.Slice, reflect.String: - return v.Len() == 0 - case reflect.Bool: - return !v.Bool() - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return v.Int() == 0 - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - return v.Uint() == 0 - case reflect.Float32, reflect.Float64: - return v.Float() == 0 - case reflect.Interface, reflect.Ptr: - return v.IsNil() - } - - return false -} - -type structDescription struct { - fm map[string]fieldDescription - fl []fieldDescription - inlineMap int -} - -type fieldDescription struct { - name string - idx int - omitEmpty bool - minSize bool - truncate bool - inline []int - encoder ValueEncoder - decoder ValueDecoder -} - -func (sc *StructCodec) describeStruct(r *Registry, t reflect.Type) (*structDescription, error) { - // We need to analyze the struct, including getting the tags, collecting - // information about inlining, and create a map of the field name to the field. - sc.l.RLock() - ds, exists := sc.cache[t] - sc.l.RUnlock() - if exists { - return ds, nil - } - - numFields := t.NumField() - sd := &structDescription{ - fm: make(map[string]fieldDescription, numFields), - fl: make([]fieldDescription, 0, numFields), - inlineMap: -1, - } - - for i := 0; i < numFields; i++ { - sf := t.Field(i) - if sf.PkgPath != "" { - // unexported, ignore - continue - } - - encoder, err := r.LookupEncoder(sf.Type) - if err != nil { - encoder = nil - } - decoder, err := r.LookupDecoder(sf.Type) - if err != nil { - decoder = nil - } - - description := fieldDescription{idx: i, encoder: encoder, decoder: decoder} - - stags, err := sc.parser.ParseStructTags(sf) - if err != nil { - return nil, err - } - if stags.Skip { - continue - } - description.name = stags.Name - description.omitEmpty = stags.OmitEmpty - description.minSize = stags.MinSize - description.truncate = stags.Truncate - - if stags.Inline { - switch sf.Type.Kind() { - case reflect.Map: - if sd.inlineMap >= 0 { - return nil, errors.New("(struct " + t.String() + ") multiple inline maps") - } - if sf.Type.Key() != tString { - return nil, errors.New("(struct " + t.String() + ") inline map must have a string keys") - } - sd.inlineMap = description.idx - case reflect.Struct: - inlinesf, err := sc.describeStruct(r, sf.Type) - if err != nil { - return nil, err - } - for _, fd := range inlinesf.fl { - if _, exists := sd.fm[fd.name]; exists { - return nil, fmt.Errorf("(struct %s) duplicated key %s", t.String(), fd.name) - } - if fd.inline == nil { - fd.inline = []int{i, fd.idx} - } else { - fd.inline = append([]int{i}, fd.inline...) - } - sd.fm[fd.name] = fd - sd.fl = append(sd.fl, fd) - } - default: - return nil, fmt.Errorf("(struct %s) inline fields must be either a struct or a map", t.String()) - } - continue - } - - if _, exists := sd.fm[description.name]; exists { - return nil, fmt.Errorf("struct %s) duplicated key %s", t.String(), description.name) - } - - sd.fm[description.name] = description - sd.fl = append(sd.fl, description) - } - - sc.l.Lock() - sc.cache[t] = sd - sc.l.Unlock() - - return sd, nil -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_tag_parser.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_tag_parser.go deleted file mode 100644 index 69d0ae4d0..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_tag_parser.go +++ /dev/null @@ -1,119 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "reflect" - "strings" -) - -// StructTagParser returns the struct tags for a given struct field. -type StructTagParser interface { - ParseStructTags(reflect.StructField) (StructTags, error) -} - -// StructTagParserFunc is an adapter that allows a generic function to be used -// as a StructTagParser. -type StructTagParserFunc func(reflect.StructField) (StructTags, error) - -// ParseStructTags implements the StructTagParser interface. -func (stpf StructTagParserFunc) ParseStructTags(sf reflect.StructField) (StructTags, error) { - return stpf(sf) -} - -// StructTags represents the struct tag fields that the StructCodec uses during -// the encoding and decoding process. -// -// In the case of a struct, the lowercased field name is used as the key for each exported -// field but this behavior may be changed using a struct tag. The tag may also contain flags to -// adjust the marshalling behavior for the field. -// -// The properties are defined below: -// -// OmitEmpty Only include the field if it's not set to the zero value for the type or to -// empty slices or maps. -// -// MinSize Marshal an integer of a type larger than 32 bits value as an int32, if that's -// feasible while preserving the numeric value. -// -// Truncate When unmarshaling a BSON double, it is permitted to lose precision to fit within -// a float32. -// -// Inline Inline the field, which must be a struct or a map, causing all of its fields -// or keys to be processed as if they were part of the outer struct. For maps, -// keys must not conflict with the bson keys of other struct fields. -// -// Skip This struct field should be skipped. This is usually denoted by parsing a "-" -// for the name. -// -// TODO(skriptble): Add tags for undefined as nil and for null as nil. -type StructTags struct { - Name string - OmitEmpty bool - MinSize bool - Truncate bool - Inline bool - Skip bool -} - -// DefaultStructTagParser is the StructTagParser used by the StructCodec by default. -// It will handle the bson struct tag. See the documentation for StructTags to see -// what each of the returned fields means. -// -// If there is no name in the struct tag fields, the struct field name is lowercased. -// The tag formats accepted are: -// -// "[][,[,]]" -// -// `(...) bson:"[][,[,]]" (...)` -// -// An example: -// -// type T struct { -// A bool -// B int "myb" -// C string "myc,omitempty" -// D string `bson:",omitempty" json:"jsonkey"` -// E int64 ",minsize" -// F int64 "myf,omitempty,minsize" -// } -// -// A struct tag either consisting entirely of '-' or with a bson key with a -// value consisting entirely of '-' will return a StructTags with Skip true and -// the remaining fields will be their default values. -var DefaultStructTagParser StructTagParserFunc = func(sf reflect.StructField) (StructTags, error) { - key := strings.ToLower(sf.Name) - tag, ok := sf.Tag.Lookup("bson") - if !ok && !strings.Contains(string(sf.Tag), ":") && len(sf.Tag) > 0 { - tag = string(sf.Tag) - } - var st StructTags - if tag == "-" { - st.Skip = true - return st, nil - } - - for idx, str := range strings.Split(tag, ",") { - if idx == 0 && str != "" { - key = str - } - switch str { - case "omitempty": - st.OmitEmpty = true - case "minsize": - st.MinSize = true - case "truncate": - st.Truncate = true - case "inline": - st.Inline = true - } - } - - st.Name = key - - return st, nil -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/types.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/types.go deleted file mode 100644 index 77264876a..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/types.go +++ /dev/null @@ -1,80 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsoncodec - -import ( - "encoding/json" - "net/url" - "reflect" - "time" - - "go.mongodb.org/mongo-driver/bson/primitive" - "go.mongodb.org/mongo-driver/x/bsonx/bsoncore" -) - -var ptBool = reflect.TypeOf((*bool)(nil)) -var ptInt8 = reflect.TypeOf((*int8)(nil)) -var ptInt16 = reflect.TypeOf((*int16)(nil)) -var ptInt32 = reflect.TypeOf((*int32)(nil)) -var ptInt64 = reflect.TypeOf((*int64)(nil)) -var ptInt = reflect.TypeOf((*int)(nil)) -var ptUint8 = reflect.TypeOf((*uint8)(nil)) -var ptUint16 = reflect.TypeOf((*uint16)(nil)) -var ptUint32 = reflect.TypeOf((*uint32)(nil)) -var ptUint64 = reflect.TypeOf((*uint64)(nil)) -var ptUint = reflect.TypeOf((*uint)(nil)) -var ptFloat32 = reflect.TypeOf((*float32)(nil)) -var ptFloat64 = reflect.TypeOf((*float64)(nil)) -var ptString = reflect.TypeOf((*string)(nil)) - -var tBool = reflect.TypeOf(false) -var tFloat32 = reflect.TypeOf(float32(0)) -var tFloat64 = reflect.TypeOf(float64(0)) -var tInt = reflect.TypeOf(int(0)) -var tInt8 = reflect.TypeOf(int8(0)) -var tInt16 = reflect.TypeOf(int16(0)) -var tInt32 = reflect.TypeOf(int32(0)) -var tInt64 = reflect.TypeOf(int64(0)) -var tString = reflect.TypeOf("") -var tTime = reflect.TypeOf(time.Time{}) -var tUint = reflect.TypeOf(uint(0)) -var tUint8 = reflect.TypeOf(uint8(0)) -var tUint16 = reflect.TypeOf(uint16(0)) -var tUint32 = reflect.TypeOf(uint32(0)) -var tUint64 = reflect.TypeOf(uint64(0)) - -var tEmpty = reflect.TypeOf((*interface{})(nil)).Elem() -var tByteSlice = reflect.TypeOf([]byte(nil)) -var tByte = reflect.TypeOf(byte(0x00)) -var tURL = reflect.TypeOf(url.URL{}) -var tJSONNumber = reflect.TypeOf(json.Number("")) - -var tValueMarshaler = reflect.TypeOf((*ValueMarshaler)(nil)).Elem() -var tValueUnmarshaler = reflect.TypeOf((*ValueUnmarshaler)(nil)).Elem() -var tMarshaler = reflect.TypeOf((*Marshaler)(nil)).Elem() -var tUnmarshaler = reflect.TypeOf((*Unmarshaler)(nil)).Elem() -var tProxy = reflect.TypeOf((*Proxy)(nil)).Elem() - -var tBinary = reflect.TypeOf(primitive.Binary{}) -var tUndefined = reflect.TypeOf(primitive.Undefined{}) -var tOID = reflect.TypeOf(primitive.ObjectID{}) -var tDateTime = reflect.TypeOf(primitive.DateTime(0)) -var tNull = reflect.TypeOf(primitive.Null{}) -var tRegex = reflect.TypeOf(primitive.Regex{}) -var tCodeWithScope = reflect.TypeOf(primitive.CodeWithScope{}) -var tDBPointer = reflect.TypeOf(primitive.DBPointer{}) -var tJavaScript = reflect.TypeOf(primitive.JavaScript("")) -var tSymbol = reflect.TypeOf(primitive.Symbol("")) -var tTimestamp = reflect.TypeOf(primitive.Timestamp{}) -var tDecimal = reflect.TypeOf(primitive.Decimal128{}) -var tMinKey = reflect.TypeOf(primitive.MinKey{}) -var tMaxKey = reflect.TypeOf(primitive.MaxKey{}) -var tD = reflect.TypeOf(primitive.D{}) -var tA = reflect.TypeOf(primitive.A{}) -var tE = reflect.TypeOf(primitive.E{}) - -var tCoreDocument = reflect.TypeOf(bsoncore.Document{}) diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/copier.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/copier.go deleted file mode 100644 index 02e3a7e3d..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/copier.go +++ /dev/null @@ -1,389 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsonrw - -import ( - "fmt" - "io" - - "go.mongodb.org/mongo-driver/bson/bsontype" - "go.mongodb.org/mongo-driver/bson/primitive" - "go.mongodb.org/mongo-driver/x/bsonx/bsoncore" -) - -// Copier is a type that allows copying between ValueReaders, ValueWriters, and -// []byte values. -type Copier struct{} - -// NewCopier creates a new copier with the given registry. If a nil registry is provided -// a default registry is used. -func NewCopier() Copier { - return Copier{} -} - -// CopyDocument handles copying a document from src to dst. -func CopyDocument(dst ValueWriter, src ValueReader) error { - return Copier{}.CopyDocument(dst, src) -} - -// CopyDocument handles copying one document from the src to the dst. -func (c Copier) CopyDocument(dst ValueWriter, src ValueReader) error { - dr, err := src.ReadDocument() - if err != nil { - return err - } - - dw, err := dst.WriteDocument() - if err != nil { - return err - } - - return c.copyDocumentCore(dw, dr) -} - -// CopyDocumentFromBytes copies the values from a BSON document represented as a -// []byte to a ValueWriter. -func (c Copier) CopyDocumentFromBytes(dst ValueWriter, src []byte) error { - dw, err := dst.WriteDocument() - if err != nil { - return err - } - - err = c.CopyBytesToDocumentWriter(dw, src) - if err != nil { - return err - } - - return dw.WriteDocumentEnd() -} - -// CopyBytesToDocumentWriter copies the values from a BSON document represented as a []byte to a -// DocumentWriter. -func (c Copier) CopyBytesToDocumentWriter(dst DocumentWriter, src []byte) error { - // TODO(skriptble): Create errors types here. Anything thats a tag should be a property. - length, rem, ok := bsoncore.ReadLength(src) - if !ok { - return fmt.Errorf("couldn't read length from src, not enough bytes. length=%d", len(src)) - } - if len(src) < int(length) { - return fmt.Errorf("length read exceeds number of bytes available. length=%d bytes=%d", len(src), length) - } - rem = rem[:length-4] - - var t bsontype.Type - var key string - var val bsoncore.Value - for { - t, rem, ok = bsoncore.ReadType(rem) - if !ok { - return io.EOF - } - if t == bsontype.Type(0) { - if len(rem) != 0 { - return fmt.Errorf("document end byte found before end of document. remaining bytes=%v", rem) - } - break - } - - key, rem, ok = bsoncore.ReadKey(rem) - if !ok { - return fmt.Errorf("invalid key found. remaining bytes=%v", rem) - } - dvw, err := dst.WriteDocumentElement(key) - if err != nil { - return err - } - val, rem, ok = bsoncore.ReadValue(rem, t) - if !ok { - return fmt.Errorf("not enough bytes available to read type. bytes=%d type=%s", len(rem), t) - } - err = c.CopyValueFromBytes(dvw, t, val.Data) - if err != nil { - return err - } - } - return nil -} - -// CopyDocumentToBytes copies an entire document from the ValueReader and -// returns it as bytes. -func (c Copier) CopyDocumentToBytes(src ValueReader) ([]byte, error) { - return c.AppendDocumentBytes(nil, src) -} - -// AppendDocumentBytes functions the same as CopyDocumentToBytes, but will -// append the result to dst. -func (c Copier) AppendDocumentBytes(dst []byte, src ValueReader) ([]byte, error) { - if br, ok := src.(BytesReader); ok { - _, dst, err := br.ReadValueBytes(dst) - return dst, err - } - - vw := vwPool.Get().(*valueWriter) - defer vwPool.Put(vw) - - vw.reset(dst) - - err := c.CopyDocument(vw, src) - dst = vw.buf - return dst, err -} - -// CopyValueFromBytes will write the value represtend by t and src to dst. -func (c Copier) CopyValueFromBytes(dst ValueWriter, t bsontype.Type, src []byte) error { - if wvb, ok := dst.(BytesWriter); ok { - return wvb.WriteValueBytes(t, src) - } - - vr := vrPool.Get().(*valueReader) - defer vrPool.Put(vr) - - vr.reset(src) - vr.pushElement(t) - - return c.CopyValue(dst, vr) -} - -// CopyValueToBytes copies a value from src and returns it as a bsontype.Type and a -// []byte. -func (c Copier) CopyValueToBytes(src ValueReader) (bsontype.Type, []byte, error) { - return c.AppendValueBytes(nil, src) -} - -// AppendValueBytes functions the same as CopyValueToBytes, but will append the -// result to dst. -func (c Copier) AppendValueBytes(dst []byte, src ValueReader) (bsontype.Type, []byte, error) { - if br, ok := src.(BytesReader); ok { - return br.ReadValueBytes(dst) - } - - vw := vwPool.Get().(*valueWriter) - defer vwPool.Put(vw) - - start := len(dst) - - vw.reset(dst) - vw.push(mElement) - - err := c.CopyValue(vw, src) - if err != nil { - return 0, dst, err - } - - return bsontype.Type(vw.buf[start]), vw.buf[start+2:], nil -} - -// CopyValue will copy a single value from src to dst. -func (c Copier) CopyValue(dst ValueWriter, src ValueReader) error { - var err error - switch src.Type() { - case bsontype.Double: - var f64 float64 - f64, err = src.ReadDouble() - if err != nil { - break - } - err = dst.WriteDouble(f64) - case bsontype.String: - var str string - str, err = src.ReadString() - if err != nil { - return err - } - err = dst.WriteString(str) - case bsontype.EmbeddedDocument: - err = c.CopyDocument(dst, src) - case bsontype.Array: - err = c.copyArray(dst, src) - case bsontype.Binary: - var data []byte - var subtype byte - data, subtype, err = src.ReadBinary() - if err != nil { - break - } - err = dst.WriteBinaryWithSubtype(data, subtype) - case bsontype.Undefined: - err = src.ReadUndefined() - if err != nil { - break - } - err = dst.WriteUndefined() - case bsontype.ObjectID: - var oid primitive.ObjectID - oid, err = src.ReadObjectID() - if err != nil { - break - } - err = dst.WriteObjectID(oid) - case bsontype.Boolean: - var b bool - b, err = src.ReadBoolean() - if err != nil { - break - } - err = dst.WriteBoolean(b) - case bsontype.DateTime: - var dt int64 - dt, err = src.ReadDateTime() - if err != nil { - break - } - err = dst.WriteDateTime(dt) - case bsontype.Null: - err = src.ReadNull() - if err != nil { - break - } - err = dst.WriteNull() - case bsontype.Regex: - var pattern, options string - pattern, options, err = src.ReadRegex() - if err != nil { - break - } - err = dst.WriteRegex(pattern, options) - case bsontype.DBPointer: - var ns string - var pointer primitive.ObjectID - ns, pointer, err = src.ReadDBPointer() - if err != nil { - break - } - err = dst.WriteDBPointer(ns, pointer) - case bsontype.JavaScript: - var js string - js, err = src.ReadJavascript() - if err != nil { - break - } - err = dst.WriteJavascript(js) - case bsontype.Symbol: - var symbol string - symbol, err = src.ReadSymbol() - if err != nil { - break - } - err = dst.WriteSymbol(symbol) - case bsontype.CodeWithScope: - var code string - var srcScope DocumentReader - code, srcScope, err = src.ReadCodeWithScope() - if err != nil { - break - } - - var dstScope DocumentWriter - dstScope, err = dst.WriteCodeWithScope(code) - if err != nil { - break - } - err = c.copyDocumentCore(dstScope, srcScope) - case bsontype.Int32: - var i32 int32 - i32, err = src.ReadInt32() - if err != nil { - break - } - err = dst.WriteInt32(i32) - case bsontype.Timestamp: - var t, i uint32 - t, i, err = src.ReadTimestamp() - if err != nil { - break - } - err = dst.WriteTimestamp(t, i) - case bsontype.Int64: - var i64 int64 - i64, err = src.ReadInt64() - if err != nil { - break - } - err = dst.WriteInt64(i64) - case bsontype.Decimal128: - var d128 primitive.Decimal128 - d128, err = src.ReadDecimal128() - if err != nil { - break - } - err = dst.WriteDecimal128(d128) - case bsontype.MinKey: - err = src.ReadMinKey() - if err != nil { - break - } - err = dst.WriteMinKey() - case bsontype.MaxKey: - err = src.ReadMaxKey() - if err != nil { - break - } - err = dst.WriteMaxKey() - default: - err = fmt.Errorf("Cannot copy unknown BSON type %s", src.Type()) - } - - return err -} - -func (c Copier) copyArray(dst ValueWriter, src ValueReader) error { - ar, err := src.ReadArray() - if err != nil { - return err - } - - aw, err := dst.WriteArray() - if err != nil { - return err - } - - for { - vr, err := ar.ReadValue() - if err == ErrEOA { - break - } - if err != nil { - return err - } - - vw, err := aw.WriteArrayElement() - if err != nil { - return err - } - - err = c.CopyValue(vw, vr) - if err != nil { - return err - } - } - - return aw.WriteArrayEnd() -} - -func (c Copier) copyDocumentCore(dw DocumentWriter, dr DocumentReader) error { - for { - key, vr, err := dr.ReadElement() - if err == ErrEOD { - break - } - if err != nil { - return err - } - - vw, err := dw.WriteDocumentElement(key) - if err != nil { - return err - } - - err = c.CopyValue(vw, vr) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/doc.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/doc.go deleted file mode 100644 index 750b0d2af..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/doc.go +++ /dev/null @@ -1,9 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -// Package bsonrw contains abstractions for reading and writing -// BSON and BSON like types from sources. -package bsonrw // import "go.mongodb.org/mongo-driver/bson/bsonrw" diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_parser.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_parser.go deleted file mode 100644 index 9e223edf9..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_parser.go +++ /dev/null @@ -1,731 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsonrw - -import ( - "errors" - "fmt" - "io" - - "go.mongodb.org/mongo-driver/bson/bsontype" -) - -const maxNestingDepth = 200 - -// ErrInvalidJSON indicates the JSON input is invalid -var ErrInvalidJSON = errors.New("invalid JSON input") - -type jsonParseState byte - -const ( - jpsStartState jsonParseState = iota - jpsSawBeginObject - jpsSawEndObject - jpsSawBeginArray - jpsSawEndArray - jpsSawColon - jpsSawComma - jpsSawKey - jpsSawValue - jpsDoneState - jpsInvalidState -) - -type jsonParseMode byte - -const ( - jpmInvalidMode jsonParseMode = iota - jpmObjectMode - jpmArrayMode -) - -type extJSONValue struct { - t bsontype.Type - v interface{} -} - -type extJSONObject struct { - keys []string - values []*extJSONValue -} - -type extJSONParser struct { - js *jsonScanner - s jsonParseState - m []jsonParseMode - k string - v *extJSONValue - - err error - canonical bool - depth int - maxDepth int - - emptyObject bool -} - -// newExtJSONParser returns a new extended JSON parser, ready to to begin -// parsing from the first character of the argued json input. It will not -// perform any read-ahead and will therefore not report any errors about -// malformed JSON at this point. -func newExtJSONParser(r io.Reader, canonical bool) *extJSONParser { - return &extJSONParser{ - js: &jsonScanner{r: r}, - s: jpsStartState, - m: []jsonParseMode{}, - canonical: canonical, - maxDepth: maxNestingDepth, - } -} - -// peekType examines the next value and returns its BSON Type -func (ejp *extJSONParser) peekType() (bsontype.Type, error) { - var t bsontype.Type - var err error - - ejp.advanceState() - switch ejp.s { - case jpsSawValue: - t = ejp.v.t - case jpsSawBeginArray: - t = bsontype.Array - case jpsInvalidState: - err = ejp.err - case jpsSawComma: - // in array mode, seeing a comma means we need to progress again to actually observe a type - if ejp.peekMode() == jpmArrayMode { - return ejp.peekType() - } - case jpsSawEndArray: - // this would only be a valid state if we were in array mode, so return end-of-array error - err = ErrEOA - case jpsSawBeginObject: - // peek key to determine type - ejp.advanceState() - switch ejp.s { - case jpsSawEndObject: // empty embedded document - t = bsontype.EmbeddedDocument - ejp.emptyObject = true - case jpsInvalidState: - err = ejp.err - case jpsSawKey: - t = wrapperKeyBSONType(ejp.k) - - if t == bsontype.JavaScript { - // just saw $code, need to check for $scope at same level - _, err := ejp.readValue(bsontype.JavaScript) - - if err != nil { - break - } - - switch ejp.s { - case jpsSawEndObject: // type is TypeJavaScript - case jpsSawComma: - ejp.advanceState() - if ejp.s == jpsSawKey && ejp.k == "$scope" { - t = bsontype.CodeWithScope - } else { - err = fmt.Errorf("invalid extended JSON: unexpected key %s in CodeWithScope object", ejp.k) - } - case jpsInvalidState: - err = ejp.err - default: - err = ErrInvalidJSON - } - } - } - } - - return t, err -} - -// readKey parses the next key and its type and returns them -func (ejp *extJSONParser) readKey() (string, bsontype.Type, error) { - if ejp.emptyObject { - ejp.emptyObject = false - return "", 0, ErrEOD - } - - // advance to key (or return with error) - switch ejp.s { - case jpsStartState: - ejp.advanceState() - if ejp.s == jpsSawBeginObject { - ejp.advanceState() - } - case jpsSawBeginObject: - ejp.advanceState() - case jpsSawValue, jpsSawEndObject, jpsSawEndArray: - ejp.advanceState() - switch ejp.s { - case jpsSawBeginObject, jpsSawComma: - ejp.advanceState() - case jpsSawEndObject: - return "", 0, ErrEOD - case jpsDoneState: - return "", 0, io.EOF - case jpsInvalidState: - return "", 0, ejp.err - default: - return "", 0, ErrInvalidJSON - } - case jpsSawKey: // do nothing (key was peeked before) - default: - return "", 0, invalidRequestError("key") - } - - // read key - var key string - - switch ejp.s { - case jpsSawKey: - key = ejp.k - case jpsSawEndObject: - return "", 0, ErrEOD - case jpsInvalidState: - return "", 0, ejp.err - default: - return "", 0, invalidRequestError("key") - } - - // check for colon - ejp.advanceState() - if err := ensureColon(ejp.s, key); err != nil { - return "", 0, err - } - - // peek at the value to determine type - t, err := ejp.peekType() - if err != nil { - return "", 0, err - } - - return key, t, nil -} - -// readValue returns the value corresponding to the Type returned by peekType -func (ejp *extJSONParser) readValue(t bsontype.Type) (*extJSONValue, error) { - if ejp.s == jpsInvalidState { - return nil, ejp.err - } - - var v *extJSONValue - - switch t { - case bsontype.Null, bsontype.Boolean, bsontype.String: - if ejp.s != jpsSawValue { - return nil, invalidRequestError(t.String()) - } - v = ejp.v - case bsontype.Int32, bsontype.Int64, bsontype.Double: - // relaxed version allows these to be literal number values - if ejp.s == jpsSawValue { - v = ejp.v - break - } - fallthrough - case bsontype.Decimal128, bsontype.Symbol, bsontype.ObjectID, bsontype.MinKey, bsontype.MaxKey, bsontype.Undefined: - switch ejp.s { - case jpsSawKey: - // read colon - ejp.advanceState() - if err := ensureColon(ejp.s, ejp.k); err != nil { - return nil, err - } - - // read value - ejp.advanceState() - if ejp.s != jpsSawValue || !ejp.ensureExtValueType(t) { - return nil, invalidJSONErrorForType("value", t) - } - - v = ejp.v - - // read end object - ejp.advanceState() - if ejp.s != jpsSawEndObject { - return nil, invalidJSONErrorForType("} after value", t) - } - default: - return nil, invalidRequestError(t.String()) - } - case bsontype.Binary, bsontype.Regex, bsontype.Timestamp, bsontype.DBPointer: - if ejp.s != jpsSawKey { - return nil, invalidRequestError(t.String()) - } - // read colon - ejp.advanceState() - if err := ensureColon(ejp.s, ejp.k); err != nil { - return nil, err - } - - ejp.advanceState() - if t == bsontype.Binary && ejp.s == jpsSawValue { - // convert legacy $binary format - base64 := ejp.v - - ejp.advanceState() - if ejp.s != jpsSawComma { - return nil, invalidJSONErrorForType(",", bsontype.Binary) - } - - ejp.advanceState() - key, t, err := ejp.readKey() - if err != nil { - return nil, err - } - if key != "$type" { - return nil, invalidJSONErrorForType("$type", bsontype.Binary) - } - - subType, err := ejp.readValue(t) - if err != nil { - return nil, err - } - - ejp.advanceState() - if ejp.s != jpsSawEndObject { - return nil, invalidJSONErrorForType("2 key-value pairs and then }", bsontype.Binary) - } - - v = &extJSONValue{ - t: bsontype.EmbeddedDocument, - v: &extJSONObject{ - keys: []string{"base64", "subType"}, - values: []*extJSONValue{base64, subType}, - }, - } - break - } - - // read KV pairs - if ejp.s != jpsSawBeginObject { - return nil, invalidJSONErrorForType("{", t) - } - - keys, vals, err := ejp.readObject(2, true) - if err != nil { - return nil, err - } - - ejp.advanceState() - if ejp.s != jpsSawEndObject { - return nil, invalidJSONErrorForType("2 key-value pairs and then }", t) - } - - v = &extJSONValue{t: bsontype.EmbeddedDocument, v: &extJSONObject{keys: keys, values: vals}} - - case bsontype.DateTime: - switch ejp.s { - case jpsSawValue: - v = ejp.v - case jpsSawKey: - // read colon - ejp.advanceState() - if err := ensureColon(ejp.s, ejp.k); err != nil { - return nil, err - } - - ejp.advanceState() - switch ejp.s { - case jpsSawBeginObject: - keys, vals, err := ejp.readObject(1, true) - if err != nil { - return nil, err - } - v = &extJSONValue{t: bsontype.EmbeddedDocument, v: &extJSONObject{keys: keys, values: vals}} - case jpsSawValue: - if ejp.canonical { - return nil, invalidJSONError("{") - } - v = ejp.v - default: - if ejp.canonical { - return nil, invalidJSONErrorForType("object", t) - } - return nil, invalidJSONErrorForType("ISO-8601 Internet Date/Time Format as decribed in RFC-3339", t) - } - - ejp.advanceState() - if ejp.s != jpsSawEndObject { - return nil, invalidJSONErrorForType("value and then }", t) - } - default: - return nil, invalidRequestError(t.String()) - } - case bsontype.JavaScript: - switch ejp.s { - case jpsSawKey: - // read colon - ejp.advanceState() - if err := ensureColon(ejp.s, ejp.k); err != nil { - return nil, err - } - - // read value - ejp.advanceState() - if ejp.s != jpsSawValue { - return nil, invalidJSONErrorForType("value", t) - } - v = ejp.v - - // read end object or comma and just return - ejp.advanceState() - case jpsSawEndObject: - v = ejp.v - default: - return nil, invalidRequestError(t.String()) - } - case bsontype.CodeWithScope: - if ejp.s == jpsSawKey && ejp.k == "$scope" { - v = ejp.v // this is the $code string from earlier - - // read colon - ejp.advanceState() - if err := ensureColon(ejp.s, ejp.k); err != nil { - return nil, err - } - - // read { - ejp.advanceState() - if ejp.s != jpsSawBeginObject { - return nil, invalidJSONError("$scope to be embedded document") - } - } else { - return nil, invalidRequestError(t.String()) - } - case bsontype.EmbeddedDocument, bsontype.Array: - return nil, invalidRequestError(t.String()) - } - - return v, nil -} - -// readObject is a utility method for reading full objects of known (or expected) size -// it is useful for extended JSON types such as binary, datetime, regex, and timestamp -func (ejp *extJSONParser) readObject(numKeys int, started bool) ([]string, []*extJSONValue, error) { - keys := make([]string, numKeys) - vals := make([]*extJSONValue, numKeys) - - if !started { - ejp.advanceState() - if ejp.s != jpsSawBeginObject { - return nil, nil, invalidJSONError("{") - } - } - - for i := 0; i < numKeys; i++ { - key, t, err := ejp.readKey() - if err != nil { - return nil, nil, err - } - - switch ejp.s { - case jpsSawKey: - v, err := ejp.readValue(t) - if err != nil { - return nil, nil, err - } - - keys[i] = key - vals[i] = v - case jpsSawValue: - keys[i] = key - vals[i] = ejp.v - default: - return nil, nil, invalidJSONError("value") - } - } - - ejp.advanceState() - if ejp.s != jpsSawEndObject { - return nil, nil, invalidJSONError("}") - } - - return keys, vals, nil -} - -// advanceState reads the next JSON token from the scanner and transitions -// from the current state based on that token's type -func (ejp *extJSONParser) advanceState() { - if ejp.s == jpsDoneState || ejp.s == jpsInvalidState { - return - } - - jt, err := ejp.js.nextToken() - - if err != nil { - ejp.err = err - ejp.s = jpsInvalidState - return - } - - valid := ejp.validateToken(jt.t) - if !valid { - ejp.err = unexpectedTokenError(jt) - ejp.s = jpsInvalidState - return - } - - switch jt.t { - case jttBeginObject: - ejp.s = jpsSawBeginObject - ejp.pushMode(jpmObjectMode) - ejp.depth++ - - if ejp.depth > ejp.maxDepth { - ejp.err = nestingDepthError(jt.p, ejp.depth) - ejp.s = jpsInvalidState - } - case jttEndObject: - ejp.s = jpsSawEndObject - ejp.depth-- - - if ejp.popMode() != jpmObjectMode { - ejp.err = unexpectedTokenError(jt) - ejp.s = jpsInvalidState - } - case jttBeginArray: - ejp.s = jpsSawBeginArray - ejp.pushMode(jpmArrayMode) - case jttEndArray: - ejp.s = jpsSawEndArray - - if ejp.popMode() != jpmArrayMode { - ejp.err = unexpectedTokenError(jt) - ejp.s = jpsInvalidState - } - case jttColon: - ejp.s = jpsSawColon - case jttComma: - ejp.s = jpsSawComma - case jttEOF: - ejp.s = jpsDoneState - if len(ejp.m) != 0 { - ejp.err = unexpectedTokenError(jt) - ejp.s = jpsInvalidState - } - case jttString: - switch ejp.s { - case jpsSawComma: - if ejp.peekMode() == jpmArrayMode { - ejp.s = jpsSawValue - ejp.v = extendJSONToken(jt) - return - } - fallthrough - case jpsSawBeginObject: - ejp.s = jpsSawKey - ejp.k = jt.v.(string) - return - } - fallthrough - default: - ejp.s = jpsSawValue - ejp.v = extendJSONToken(jt) - } -} - -var jpsValidTransitionTokens = map[jsonParseState]map[jsonTokenType]bool{ - jpsStartState: { - jttBeginObject: true, - jttBeginArray: true, - jttInt32: true, - jttInt64: true, - jttDouble: true, - jttString: true, - jttBool: true, - jttNull: true, - jttEOF: true, - }, - jpsSawBeginObject: { - jttEndObject: true, - jttString: true, - }, - jpsSawEndObject: { - jttEndObject: true, - jttEndArray: true, - jttComma: true, - jttEOF: true, - }, - jpsSawBeginArray: { - jttBeginObject: true, - jttBeginArray: true, - jttEndArray: true, - jttInt32: true, - jttInt64: true, - jttDouble: true, - jttString: true, - jttBool: true, - jttNull: true, - }, - jpsSawEndArray: { - jttEndObject: true, - jttEndArray: true, - jttComma: true, - jttEOF: true, - }, - jpsSawColon: { - jttBeginObject: true, - jttBeginArray: true, - jttInt32: true, - jttInt64: true, - jttDouble: true, - jttString: true, - jttBool: true, - jttNull: true, - }, - jpsSawComma: { - jttBeginObject: true, - jttBeginArray: true, - jttInt32: true, - jttInt64: true, - jttDouble: true, - jttString: true, - jttBool: true, - jttNull: true, - }, - jpsSawKey: { - jttColon: true, - }, - jpsSawValue: { - jttEndObject: true, - jttEndArray: true, - jttComma: true, - jttEOF: true, - }, - jpsDoneState: {}, - jpsInvalidState: {}, -} - -func (ejp *extJSONParser) validateToken(jtt jsonTokenType) bool { - switch ejp.s { - case jpsSawEndObject: - // if we are at depth zero and the next token is a '{', - // we can consider it valid only if we are not in array mode. - if jtt == jttBeginObject && ejp.depth == 0 { - return ejp.peekMode() != jpmArrayMode - } - case jpsSawComma: - switch ejp.peekMode() { - // the only valid next token after a comma inside a document is a string (a key) - case jpmObjectMode: - return jtt == jttString - case jpmInvalidMode: - return false - } - } - - _, ok := jpsValidTransitionTokens[ejp.s][jtt] - return ok -} - -// ensureExtValueType returns true if the current value has the expected -// value type for single-key extended JSON types. For example, -// {"$numberInt": v} v must be TypeString -func (ejp *extJSONParser) ensureExtValueType(t bsontype.Type) bool { - switch t { - case bsontype.MinKey, bsontype.MaxKey: - return ejp.v.t == bsontype.Int32 - case bsontype.Undefined: - return ejp.v.t == bsontype.Boolean - case bsontype.Int32, bsontype.Int64, bsontype.Double, bsontype.Decimal128, bsontype.Symbol, bsontype.ObjectID: - return ejp.v.t == bsontype.String - default: - return false - } -} - -func (ejp *extJSONParser) pushMode(m jsonParseMode) { - ejp.m = append(ejp.m, m) -} - -func (ejp *extJSONParser) popMode() jsonParseMode { - l := len(ejp.m) - if l == 0 { - return jpmInvalidMode - } - - m := ejp.m[l-1] - ejp.m = ejp.m[:l-1] - - return m -} - -func (ejp *extJSONParser) peekMode() jsonParseMode { - l := len(ejp.m) - if l == 0 { - return jpmInvalidMode - } - - return ejp.m[l-1] -} - -func extendJSONToken(jt *jsonToken) *extJSONValue { - var t bsontype.Type - - switch jt.t { - case jttInt32: - t = bsontype.Int32 - case jttInt64: - t = bsontype.Int64 - case jttDouble: - t = bsontype.Double - case jttString: - t = bsontype.String - case jttBool: - t = bsontype.Boolean - case jttNull: - t = bsontype.Null - default: - return nil - } - - return &extJSONValue{t: t, v: jt.v} -} - -func ensureColon(s jsonParseState, key string) error { - if s != jpsSawColon { - return fmt.Errorf("invalid JSON input: missing colon after key \"%s\"", key) - } - - return nil -} - -func invalidRequestError(s string) error { - return fmt.Errorf("invalid request to read %s", s) -} - -func invalidJSONError(expected string) error { - return fmt.Errorf("invalid JSON input; expected %s", expected) -} - -func invalidJSONErrorForType(expected string, t bsontype.Type) error { - return fmt.Errorf("invalid JSON input; expected %s for %s", expected, t) -} - -func unexpectedTokenError(jt *jsonToken) error { - switch jt.t { - case jttInt32, jttInt64, jttDouble: - return fmt.Errorf("invalid JSON input; unexpected number (%v) at position %d", jt.v, jt.p) - case jttString: - return fmt.Errorf("invalid JSON input; unexpected string (\"%v\") at position %d", jt.v, jt.p) - case jttBool: - return fmt.Errorf("invalid JSON input; unexpected boolean literal (%v) at position %d", jt.v, jt.p) - case jttNull: - return fmt.Errorf("invalid JSON input; unexpected null literal at position %d", jt.p) - case jttEOF: - return fmt.Errorf("invalid JSON input; unexpected end of input at position %d", jt.p) - default: - return fmt.Errorf("invalid JSON input; unexpected %c at position %d", jt.v.(byte), jt.p) - } -} - -func nestingDepthError(p, depth int) error { - return fmt.Errorf("invalid JSON input; nesting too deep (%d levels) at position %d", depth, p) -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_reader.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_reader.go deleted file mode 100644 index dd560c96f..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_reader.go +++ /dev/null @@ -1,659 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 - -package bsonrw - -import ( - "fmt" - "io" - "sync" - - "go.mongodb.org/mongo-driver/bson/bsontype" - "go.mongodb.org/mongo-driver/bson/primitive" -) - -// ExtJSONValueReaderPool is a pool for ValueReaders that read ExtJSON. -type ExtJSONValueReaderPool struct { - pool sync.Pool -} - -// NewExtJSONValueReaderPool instantiates a new ExtJSONValueReaderPool. -func NewExtJSONValueReaderPool() *ExtJSONValueReaderPool { - return &ExtJSONValueReaderPool{ - pool: sync.Pool{ - New: func() interface{} { - return new(extJSONValueReader) - }, - }, - } -} - -// Get retrieves a ValueReader from the pool and uses src as the underlying ExtJSON. -func (bvrp *ExtJSONValueReaderPool) Get(r io.Reader, canonical bool) (ValueReader, error) { - vr := bvrp.pool.Get().(*extJSONValueReader) - return vr.reset(r, canonical) -} - -// Put inserts a ValueReader into the pool. If the ValueReader is not a ExtJSON ValueReader nothing -// is inserted into the pool and ok will be false. -func (bvrp *ExtJSONValueReaderPool) Put(vr ValueReader) (ok bool) { - bvr, ok := vr.(*extJSONValueReader) - if !ok { - return false - } - - bvr, _ = bvr.reset(nil, false) - bvrp.pool.Put(bvr) - return true -} - -type ejvrState struct { - mode mode - vType bsontype.Type - depth int -} - -// extJSONValueReader is for reading extended JSON. -type extJSONValueReader struct { - p *extJSONParser - - stack []ejvrState - frame int -} - -// NewExtJSONValueReader creates a new ValueReader from a given io.Reader -// It will interpret the JSON of r as canonical or relaxed according to the -// given canonical flag -func NewExtJSONValueReader(r io.Reader, canonical bool) (ValueReader, error) { - return newExtJSONValueReader(r, canonical) -} - -func newExtJSONValueReader(r io.Reader, canonical bool) (*extJSONValueReader, error) { - ejvr := new(extJSONValueReader) - return ejvr.reset(r, canonical) -} - -func (ejvr *extJSONValueReader) reset(r io.Reader, canonical bool) (*extJSONValueReader, error) { - p := newExtJSONParser(r, canonical) - typ, err := p.peekType() - - if err != nil { - return nil, ErrInvalidJSON - } - - var m mode - switch typ { - case bsontype.EmbeddedDocument: - m = mTopLevel - case bsontype.Array: - m = mArray - default: - m = mValue - } - - stack := make([]ejvrState, 1, 5) - stack[0] = ejvrState{ - mode: m, - vType: typ, - } - return &extJSONValueReader{ - p: p, - stack: stack, - }, nil -} - -func (ejvr *extJSONValueReader) advanceFrame() { - if ejvr.frame+1 >= len(ejvr.stack) { // We need to grow the stack - length := len(ejvr.stack) - if length+1 >= cap(ejvr.stack) { - // double it - buf := make([]ejvrState, 2*cap(ejvr.stack)+1) - copy(buf, ejvr.stack) - ejvr.stack = buf - } - ejvr.stack = ejvr.stack[:length+1] - } - ejvr.frame++ - - // Clean the stack - ejvr.stack[ejvr.frame].mode = 0 - ejvr.stack[ejvr.frame].vType = 0 - ejvr.stack[ejvr.frame].depth = 0 -} - -func (ejvr *extJSONValueReader) pushDocument() { - ejvr.advanceFrame() - - ejvr.stack[ejvr.frame].mode = mDocument - ejvr.stack[ejvr.frame].depth = ejvr.p.depth -} - -func (ejvr *extJSONValueReader) pushCodeWithScope() { - ejvr.advanceFrame() - - ejvr.stack[ejvr.frame].mode = mCodeWithScope -} - -func (ejvr *extJSONValueReader) pushArray() { - ejvr.advanceFrame() - - ejvr.stack[ejvr.frame].mode = mArray -} - -func (ejvr *extJSONValueReader) push(m mode, t bsontype.Type) { - ejvr.advanceFrame() - - ejvr.stack[ejvr.frame].mode = m - ejvr.stack[ejvr.frame].vType = t -} - -func (ejvr *extJSONValueReader) pop() { - switch ejvr.stack[ejvr.frame].mode { - case mElement, mValue: - ejvr.frame-- - case mDocument, mArray, mCodeWithScope: - ejvr.frame -= 2 // we pop twice to jump over the vrElement: vrDocument -> vrElement -> vrDocument/TopLevel/etc... - } -} - -func (ejvr *extJSONValueReader) skipDocument() error { - // read entire document until ErrEOD (using readKey and readValue) - _, typ, err := ejvr.p.readKey() - for err == nil { - _, err = ejvr.p.readValue(typ) - if err != nil { - break - } - - _, typ, err = ejvr.p.readKey() - } - - return err -} - -func (ejvr *extJSONValueReader) skipArray() error { - // read entire array until ErrEOA (using peekType) - _, err := ejvr.p.peekType() - for err == nil { - _, err = ejvr.p.peekType() - } - - return err -} - -func (ejvr *extJSONValueReader) invalidTransitionErr(destination mode, name string, modes []mode) error { - te := TransitionError{ - name: name, - current: ejvr.stack[ejvr.frame].mode, - destination: destination, - modes: modes, - action: "read", - } - if ejvr.frame != 0 { - te.parent = ejvr.stack[ejvr.frame-1].mode - } - return te -} - -func (ejvr *extJSONValueReader) typeError(t bsontype.Type) error { - return fmt.Errorf("positioned on %s, but attempted to read %s", ejvr.stack[ejvr.frame].vType, t) -} - -func (ejvr *extJSONValueReader) ensureElementValue(t bsontype.Type, destination mode, callerName string, addModes ...mode) error { - switch ejvr.stack[ejvr.frame].mode { - case mElement, mValue: - if ejvr.stack[ejvr.frame].vType != t { - return ejvr.typeError(t) - } - default: - modes := []mode{mElement, mValue} - if addModes != nil { - modes = append(modes, addModes...) - } - return ejvr.invalidTransitionErr(destination, callerName, modes) - } - - return nil -} - -func (ejvr *extJSONValueReader) Type() bsontype.Type { - return ejvr.stack[ejvr.frame].vType -} - -func (ejvr *extJSONValueReader) Skip() error { - switch ejvr.stack[ejvr.frame].mode { - case mElement, mValue: - default: - return ejvr.invalidTransitionErr(0, "Skip", []mode{mElement, mValue}) - } - - defer ejvr.pop() - - t := ejvr.stack[ejvr.frame].vType - switch t { - case bsontype.Array: - // read entire array until ErrEOA - err := ejvr.skipArray() - if err != ErrEOA { - return err - } - case bsontype.EmbeddedDocument: - // read entire doc until ErrEOD - err := ejvr.skipDocument() - if err != ErrEOD { - return err - } - case bsontype.CodeWithScope: - // read the code portion and set up parser in document mode - _, err := ejvr.p.readValue(t) - if err != nil { - return err - } - - // read until ErrEOD - err = ejvr.skipDocument() - if err != ErrEOD { - return err - } - default: - _, err := ejvr.p.readValue(t) - if err != nil { - return err - } - } - - return nil -} - -func (ejvr *extJSONValueReader) ReadArray() (ArrayReader, error) { - switch ejvr.stack[ejvr.frame].mode { - case mTopLevel: // allow reading array from top level - case mArray: - return ejvr, nil - default: - if err := ejvr.ensureElementValue(bsontype.Array, mArray, "ReadArray", mTopLevel, mArray); err != nil { - return nil, err - } - } - - ejvr.pushArray() - - return ejvr, nil -} - -func (ejvr *extJSONValueReader) ReadBinary() (b []byte, btype byte, err error) { - if err := ejvr.ensureElementValue(bsontype.Binary, 0, "ReadBinary"); err != nil { - return nil, 0, err - } - - v, err := ejvr.p.readValue(bsontype.Binary) - if err != nil { - return nil, 0, err - } - - b, btype, err = v.parseBinary() - - ejvr.pop() - return b, btype, err -} - -func (ejvr *extJSONValueReader) ReadBoolean() (bool, error) { - if err := ejvr.ensureElementValue(bsontype.Boolean, 0, "ReadBoolean"); err != nil { - return false, err - } - - v, err := ejvr.p.readValue(bsontype.Boolean) - if err != nil { - return false, err - } - - if v.t != bsontype.Boolean { - return false, fmt.Errorf("expected type bool, but got type %s", v.t) - } - - ejvr.pop() - return v.v.(bool), nil -} - -func (ejvr *extJSONValueReader) ReadDocument() (DocumentReader, error) { - switch ejvr.stack[ejvr.frame].mode { - case mTopLevel: - return ejvr, nil - case mElement, mValue: - if ejvr.stack[ejvr.frame].vType != bsontype.EmbeddedDocument { - return nil, ejvr.typeError(bsontype.EmbeddedDocument) - } - - ejvr.pushDocument() - return ejvr, nil - default: - return nil, ejvr.invalidTransitionErr(mDocument, "ReadDocument", []mode{mTopLevel, mElement, mValue}) - } -} - -func (ejvr *extJSONValueReader) ReadCodeWithScope() (code string, dr DocumentReader, err error) { - if err = ejvr.ensureElementValue(bsontype.CodeWithScope, 0, "ReadCodeWithScope"); err != nil { - return "", nil, err - } - - v, err := ejvr.p.readValue(bsontype.CodeWithScope) - if err != nil { - return "", nil, err - } - - code, err = v.parseJavascript() - - ejvr.pushCodeWithScope() - return code, ejvr, err -} - -func (ejvr *extJSONValueReader) ReadDBPointer() (ns string, oid primitive.ObjectID, err error) { - if err = ejvr.ensureElementValue(bsontype.DBPointer, 0, "ReadDBPointer"); err != nil { - return "", primitive.NilObjectID, err - } - - v, err := ejvr.p.readValue(bsontype.DBPointer) - if err != nil { - return "", primitive.NilObjectID, err - } - - ns, oid, err = v.parseDBPointer() - - ejvr.pop() - return ns, oid, err -} - -func (ejvr *extJSONValueReader) ReadDateTime() (int64, error) { - if err := ejvr.ensureElementValue(bsontype.DateTime, 0, "ReadDateTime"); err != nil { - return 0, err - } - - v, err := ejvr.p.readValue(bsontype.DateTime) - if err != nil { - return 0, err - } - - d, err := v.parseDateTime() - - ejvr.pop() - return d, err -} - -func (ejvr *extJSONValueReader) ReadDecimal128() (primitive.Decimal128, error) { - if err := ejvr.ensureElementValue(bsontype.Decimal128, 0, "ReadDecimal128"); err != nil { - return primitive.Decimal128{}, err - } - - v, err := ejvr.p.readValue(bsontype.Decimal128) - if err != nil { - return primitive.Decimal128{}, err - } - - d, err := v.parseDecimal128() - - ejvr.pop() - return d, err -} - -func (ejvr *extJSONValueReader) ReadDouble() (float64, error) { - if err := ejvr.ensureElementValue(bsontype.Double, 0, "ReadDouble"); err != nil { - return 0, err - } - - v, err := ejvr.p.readValue(bsontype.Double) - if err != nil { - return 0, err - } - - d, err := v.parseDouble() - - ejvr.pop() - return d, err -} - -func (ejvr *extJSONValueReader) ReadInt32() (int32, error) { - if err := ejvr.ensureElementValue(bsontype.Int32, 0, "ReadInt32"); err != nil { - return 0, err - } - - v, err := ejvr.p.readValue(bsontype.Int32) - if err != nil { - return 0, err - } - - i, err := v.parseInt32() - - ejvr.pop() - return i, err -} - -func (ejvr *extJSONValueReader) ReadInt64() (int64, error) { - if err := ejvr.ensureElementValue(bsontype.Int64, 0, "ReadInt64"); err != nil { - return 0, err - } - - v, err := ejvr.p.readValue(bsontype.Int64) - if err != nil { - return 0, err - } - - i, err := v.parseInt64() - - ejvr.pop() - return i, err -} - -func (ejvr *extJSONValueReader) ReadJavascript() (code string, err error) { - if err = ejvr.ensureElementValue(bsontype.JavaScript, 0, "ReadJavascript"); err != nil { - return "", err - } - - v, err := ejvr.p.readValue(bsontype.JavaScript) - if err != nil { - return "", err - } - - code, err = v.parseJavascript() - - ejvr.pop() - return code, err -} - -func (ejvr *extJSONValueReader) ReadMaxKey() error { - if err := ejvr.ensureElementValue(bsontype.MaxKey, 0, "ReadMaxKey"); err != nil { - return err - } - - v, err := ejvr.p.readValue(bsontype.MaxKey) - if err != nil { - return err - } - - err = v.parseMinMaxKey("max") - - ejvr.pop() - return err -} - -func (ejvr *extJSONValueReader) ReadMinKey() error { - if err := ejvr.ensureElementValue(bsontype.MinKey, 0, "ReadMinKey"); err != nil { - return err - } - - v, err := ejvr.p.readValue(bsontype.MinKey) - if err != nil { - return err - } - - err = v.parseMinMaxKey("min") - - ejvr.pop() - return err -} - -func (ejvr *extJSONValueReader) ReadNull() error { - if err := ejvr.ensureElementValue(bsontype.Null, 0, "ReadNull"); err != nil { - return err - } - - v, err := ejvr.p.readValue(bsontype.Null) - if err != nil { - return err - } - - if v.t != bsontype.Null { - return fmt.Errorf("expected type null but got type %s", v.t) - } - - ejvr.pop() - return nil -} - -func (ejvr *extJSONValueReader) ReadObjectID() (primitive.ObjectID, error) { - if err := ejvr.ensureElementValue(bsontype.ObjectID, 0, "ReadObjectID"); err != nil { - return primitive.ObjectID{}, err - } - - v, err := ejvr.p.readValue(bsontype.ObjectID) - if err != nil { - return primitive.ObjectID{}, err - } - - oid, err := v.parseObjectID() - - ejvr.pop() - return oid, err -} - -func (ejvr *extJSONValueReader) ReadRegex() (pattern string, options string, err error) { - if err = ejvr.ensureElementValue(bsontype.Regex, 0, "ReadRegex"); err != nil { - return "", "", err - } - - v, err := ejvr.p.readValue(bsontype.Regex) - if err != nil { - return "", "", err - } - - pattern, options, err = v.parseRegex() - - ejvr.pop() - return pattern, options, err -} - -func (ejvr *extJSONValueReader) ReadString() (string, error) { - if err := ejvr.ensureElementValue(bsontype.String, 0, "ReadString"); err != nil { - return "", err - } - - v, err := ejvr.p.readValue(bsontype.String) - if err != nil { - return "", err - } - - if v.t != bsontype.String { - return "", fmt.Errorf("expected type string but got type %s", v.t) - } - - ejvr.pop() - return v.v.(string), nil -} - -func (ejvr *extJSONValueReader) ReadSymbol() (symbol string, err error) { - if err = ejvr.ensureElementValue(bsontype.Symbol, 0, "ReadSymbol"); err != nil { - return "", err - } - - v, err := ejvr.p.readValue(bsontype.Symbol) - if err != nil { - return "", err - } - - symbol, err = v.parseSymbol() - - ejvr.pop() - return symbol, err -} - -func (ejvr *extJSONValueReader) ReadTimestamp() (t uint32, i uint32, err error) { - if err = ejvr.ensureElementValue(bsontype.Timestamp, 0, "ReadTimestamp"); err != nil { - return 0, 0, err - } - - v, err := ejvr.p.readValue(bsontype.Timestamp) - if err != nil { - return 0, 0, err - } - - t, i, err = v.parseTimestamp() - - ejvr.pop() - return t, i, err -} - -func (ejvr *extJSONValueReader) ReadUndefined() error { - if err := ejvr.ensureElementValue(bsontype.Undefined, 0, "ReadUndefined"); err != nil { - return err - } - - v, err := ejvr.p.readValue(bsontype.Undefined) - if err != nil { - return err - } - - err = v.parseUndefined() - - ejvr.pop() - return err -} - -func (ejvr *extJSONValueReader) ReadElement() (string, ValueReader, error) { - switch ejvr.stack[ejvr.frame].mode { - case mTopLevel, mDocument, mCodeWithScope: - default: - return "", nil, ejvr.invalidTransitionErr(mElement, "ReadElement", []mode{mTopLevel, mDocument, mCodeWithScope}) - } - - name, t, err := ejvr.p.readKey() - - if err != nil { - if err == ErrEOD { - if ejvr.stack[ejvr.frame].mode == mCodeWithScope { - _, err := ejvr.p.peekType() - if err != nil { - return "", nil, err - } - } - - ejvr.pop() - } - - return "", nil, err - } - - ejvr.push(mElement, t) - return name, ejvr, nil -} - -func (ejvr *extJSONValueReader) ReadValue() (ValueReader, error) { - switch ejvr.stack[ejvr.frame].mode { - case mArray: - default: - return nil, ejvr.invalidTransitionErr(mValue, "ReadValue", []mode{mArray}) - } - - t, err := ejvr.p.peekType() - if err != nil { - if err == ErrEOA { - ejvr.pop() - } - - return nil, err - } - - ejvr.push(mValue, t) - return ejvr, nil -} diff --git a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_tables.go b/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_tables.go deleted file mode 100644 index ba39c9601..000000000 --- a/constraint/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_tables.go +++ /dev/null @@ -1,223 +0,0 @@ -// Copyright (C) MongoDB, Inc. 2017-present. -// -// Licensed under the Apache License, Version 2.0 (the "License"); you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 -// -// Based on github.com/golang/go by The Go Authors -// See THIRD-PARTY-NOTICES for original license terms. - -package bsonrw - -import "unicode/utf8" - -// safeSet holds the value true if the ASCII character with the given array -// position can be represented inside a JSON string without any further -// escaping. -// -// All values are true except for the ASCII control characters (0-31), the -// double quote ("), and the backslash character ("\"). -var safeSet = [utf8.RuneSelf]bool{ - ' ': true, - '!': true, - '"': false, - '#': true, - '$': true, - '%': true, - '&': true, - '\'': true, - '(': true, - ')': true, - '*': true, - '+': true, - ',': true, - '-': true, - '.': true, - '/': true, - '0': true, - '1': true, - '2': true, - '3': true, - '4': true, - '5': true, - '6': true, - '7': true, - '8': true, - '9': true, - ':': true, - ';': true, - '<': true, - '=': true, - '>': true, - '?': true, - '@': true, - 'A': true, - 'B': true, - 'C': true, - 'D': true, - 'E': true, - 'F': true, - 'G': true, - 'H': true, - 'I': true, - 'J': true, - 'K': true, - 'L': true, - 'M': true, - 'N': true, - 'O': true, - 'P': true, - 'Q': true, - 'R': true, - 'S': true, - 'T': true, - 'U': true, - 'V': true, - 'W': true, - 'X': true, - 'Y': true, - 'Z': true, - '[': true, - '\\': false, - ']': true, - '^': true, - '_': true, - '`': true, - 'a': true, - 'b': true, - 'c': true, - 'd': true, - 'e': true, - 'f': true, - 'g': true, - 'h': true, - 'i': true, - 'j': true, - 'k': true, - 'l': true, - 'm': true, - 'n': true, - 'o': true, - 'p': true, - 'q': true, - 'r': true, - 's': true, - 't': true, - 'u': true, - 'v': true, - 'w': true, - 'x': true, - 'y': true, - 'z': true, - '{': true, - '|': true, - '}': true, - '~': true, - '\u007f': true, -} - -// htmlSafeSet holds the value true if the ASCII character with the given -// array position can be safely represented inside a JSON string, embedded -// inside of HTML