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Reduce linting noise with future keywords #564

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Reduce linting noise with future keywords #564

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43 changes: 25 additions & 18 deletions examples/container-deny-added-caps/template.yaml
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,18 +13,20 @@ spec:
- |-
package lib.core

import future.keywords.if

default is_gatekeeper := false

is_gatekeeper {
is_gatekeeper if {
has_field(input, "review")
has_field(input.review, "object")
}

resource := input.review.object {
resource := input.review.object if {
is_gatekeeper
}

resource := input {
resource := input if {
not is_gatekeeper
}

Expand All @@ -47,74 +49,79 @@ spec:

gv := split(apiVersion, "/")

group := gv[0] {
group := gv[0] if {
contains(apiVersion, "/")
}

group := "core" {
group := "core" if {
not contains(apiVersion, "/")
}

version := gv[count(gv) - 1]

has_field(obj, field) {
has_field(obj, field) if {
not object.get(obj, field, "N_DEFINED") == "N_DEFINED"
}

missing_field(obj, field) {
missing_field(obj, field) if {
obj[field] == ""
}

missing_field(obj, field) {
missing_field(obj, field) if {
not has_field(obj, field)
}
- |-
package lib.pods

import future.keywords.contains
import future.keywords.if

import data.lib.core

default pod := false

pod := core.resource.spec.template {
pod := core.resource.spec.template if {
pod_templates := ["daemonset", "deployment", "job", "replicaset", "replicationcontroller", "statefulset"]
lower(core.kind) == pod_templates[_]
}

pod := core.resource {
pod := core.resource if {
lower(core.kind) == "pod"
}

pod := core.resource.spec.jobTemplate.spec.template {
pod := core.resource.spec.jobTemplate.spec.template if {
lower(core.kind) == "cronjob"
}

containers[container] {
containers contains container if {
keys := {"containers", "initContainers"}
all_containers := [c | some k; keys[k]; c = pod.spec[k][_]]
container := all_containers[_]
}

volumes[pod.spec.volumes[_]]
volumes contains pod.spec.volumes[_]
- |-
package lib.security

dropped_capability(container, cap) {
import future.keywords.if

dropped_capability(container, cap) if {
lower(container.securityContext.capabilities.drop[_]) == lower(cap)
}

dropped_capability(psp, cap) {
dropped_capability(psp, cap) if {
lower(psp.spec.requiredDropCapabilities[_]) == lower(cap)
}

added_capability(container, cap) {
added_capability(container, cap) if {
lower(container.securityContext.capabilities.add[_]) == lower(cap)
}

added_capability(psp, cap) {
added_capability(psp, cap) if {
lower(psp.spec.allowedCapabilities[_]) == lower(cap)
}

added_capability(psp, cap) {
added_capability(psp, cap) if {
lower(psp.spec.defaultAddCapabilities[_]) == lower(cap)
}
rego: |-
Expand Down
31 changes: 18 additions & 13 deletions examples/container-deny-escalation/template.yaml
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,18 +13,20 @@ spec:
- |-
package lib.core

import future.keywords.if

default is_gatekeeper := false

is_gatekeeper {
is_gatekeeper if {
has_field(input, "review")
has_field(input.review, "object")
}

resource := input.review.object {
resource := input.review.object if {
is_gatekeeper
}

resource := input {
resource := input if {
not is_gatekeeper
}

Expand All @@ -47,54 +49,57 @@ spec:

gv := split(apiVersion, "/")

group := gv[0] {
group := gv[0] if {
contains(apiVersion, "/")
}

group := "core" {
group := "core" if {
not contains(apiVersion, "/")
}

version := gv[count(gv) - 1]

has_field(obj, field) {
has_field(obj, field) if {
not object.get(obj, field, "N_DEFINED") == "N_DEFINED"
}

missing_field(obj, field) {
missing_field(obj, field) if {
obj[field] == ""
}

missing_field(obj, field) {
missing_field(obj, field) if {
not has_field(obj, field)
}
- |-
package lib.pods

import future.keywords.contains
import future.keywords.if

import data.lib.core

default pod := false

pod := core.resource.spec.template {
pod := core.resource.spec.template if {
pod_templates := ["daemonset", "deployment", "job", "replicaset", "replicationcontroller", "statefulset"]
lower(core.kind) == pod_templates[_]
}

pod := core.resource {
pod := core.resource if {
lower(core.kind) == "pod"
}

pod := core.resource.spec.jobTemplate.spec.template {
pod := core.resource.spec.jobTemplate.spec.template if {
lower(core.kind) == "cronjob"
}

containers[container] {
containers contains container if {
keys := {"containers", "initContainers"}
all_containers := [c | some k; keys[k]; c = pod.spec[k][_]]
container := all_containers[_]
}

volumes[pod.spec.volumes[_]]
volumes contains pod.spec.volumes[_]
rego: |-
package container_deny_escalation

Expand Down
31 changes: 18 additions & 13 deletions examples/container-deny-latest-tag/template.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,18 +13,20 @@ spec:
- |-
package lib.core

import future.keywords.if

default is_gatekeeper := false

is_gatekeeper {
is_gatekeeper if {
has_field(input, "review")
has_field(input.review, "object")
}

resource := input.review.object {
resource := input.review.object if {
is_gatekeeper
}

resource := input {
resource := input if {
not is_gatekeeper
}

Expand All @@ -47,54 +49,57 @@ spec:

gv := split(apiVersion, "/")

group := gv[0] {
group := gv[0] if {
contains(apiVersion, "/")
}

group := "core" {
group := "core" if {
not contains(apiVersion, "/")
}

version := gv[count(gv) - 1]

has_field(obj, field) {
has_field(obj, field) if {
not object.get(obj, field, "N_DEFINED") == "N_DEFINED"
}

missing_field(obj, field) {
missing_field(obj, field) if {
obj[field] == ""
}

missing_field(obj, field) {
missing_field(obj, field) if {
not has_field(obj, field)
}
- |-
package lib.pods

import future.keywords.contains
import future.keywords.if

import data.lib.core

default pod := false

pod := core.resource.spec.template {
pod := core.resource.spec.template if {
pod_templates := ["daemonset", "deployment", "job", "replicaset", "replicationcontroller", "statefulset"]
lower(core.kind) == pod_templates[_]
}

pod := core.resource {
pod := core.resource if {
lower(core.kind) == "pod"
}

pod := core.resource.spec.jobTemplate.spec.template {
pod := core.resource.spec.jobTemplate.spec.template if {
lower(core.kind) == "cronjob"
}

containers[container] {
containers contains container if {
keys := {"containers", "initContainers"}
all_containers := [c | some k; keys[k]; c = pod.spec[k][_]]
container := all_containers[_]
}

volumes[pod.spec.volumes[_]]
volumes contains pod.spec.volumes[_]
rego: |-
package container_deny_latest_tag

Expand Down
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