Support lifecycle hooks

couchdb/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: couchdb
-version: 4.5.2
+version: 4.6.0
 appVersion: 3.3.3
 description: A database featuring seamless multi-master sync, that scales from
   big data to mobile, with an intuitive HTTP/JSON API and designed for

couchdb/README.md

@@ -1,6 +1,6 @@
 # CouchDB
 
-![Version: 4.5.2](https://img.shields.io/badge/Version-4.5.2-informational?style=flat-square) ![AppVersion: 3.3.3](https://img.shields.io/badge/AppVersion-3.3.3-informational?style=flat-square)
+![Version: 4.6.0](https://img.shields.io/badge/Version-4.6.0-informational?style=flat-square) ![AppVersion: 3.3.3](https://img.shields.io/badge/AppVersion-3.3.3-informational?style=flat-square)
 
 Apache CouchDB is a database featuring seamless multi-master sync, that scales
 from big data to mobile, with an intuitive HTTP/JSON API and designed for
@@ -18,7 +18,7 @@ storage volumes to each Pod in the Deployment.
 ```bash
 $ helm repo add couchdb https://apache.github.io/couchdb-helm
 $ helm install couchdb/couchdb \
-  --version=4.5.2 \
+  --version=4.6.0 \
   --set allowAdminParty=true \
   --set couchdbConfig.couchdb.uuid=$(curl https://www.uuidgenerator.net/api/version4 2>/dev/null | tr -d -)
 ```
@@ -44,7 +44,7 @@ Afterwards install the chart replacing the UUID
 ```bash
 $ helm install \
   --name my-release \
-  --version=4.5.2 \
+  --version=4.6.0 \
   --set couchdbConfig.couchdb.uuid=decafbaddecafbaddecafbaddecafbad \
   couchdb/couchdb
 ```
@@ -78,7 +78,7 @@ and then install the chart while overriding the `createAdminSecret` setting:
 ```bash
 $ helm install \
   --name my-release \
-  --version=4.5.2 \
+  --version=4.6.0 \
   --set createAdminSecret=false \
   --set couchdbConfig.couchdb.uuid=decafbaddecafbaddecafbaddecafbad \
   couchdb/couchdb
@@ -133,7 +133,7 @@ version semantics. You can upgrade directly from `stable/couchdb` to this chart
 
 ```bash
 $ helm repo add couchdb https://apache.github.io/couchdb-helm
-$ helm upgrade my-release --version=4.5.2 couchdb/couchdb
+$ helm upgrade my-release --version=4.6.0 couchdb/couchdb
 ```
 
 ## Configuration
@@ -239,6 +239,10 @@ A variety of other parameters are also configurable. See the comments in the
 | `prometheusPort.enabled`             | false                                            |
 | `prometheusPort.port`                | 17896                                            |
 | `prometheusPort.bind_address`        | 0.0.0.0                                          |
+| `lifecycle`                          | {}                                               |
+| `lifecycleTemplate`                  | false (set `true` and add a named `lifecycleTemplate` if using couchdb as a subchart) |
+| `extraEnv`                           | []                                               |
+| `extraEnvTemplate`                   | false (set `true` and add a named `extraEnvTemplate` if using couchdb as a subchart) |
 | `placementConfig.enabled`            | false                                            |
 | `placementConfig.image.repository`   | caligrafix/couchdb-autoscaler-placement-manager  |
 | `placementConfig.image.tag`          | 0.1.0                                            |

couchdb/templates/statefulset.yaml

@@ -97,6 +97,12 @@ spec:
 {{- if .Values.prometheusPort.enabled }}
             - name: metrics
               containerPort: {{ .Values.prometheusPort.port }}
+{{- end }}
+{{- if .Values.lifecycle }}
+          lifecycle: {{ toYaml .Values.lifecycle | nindent 12 }}
+{{- else if .Values.lifecycleTemplate }}
+          lifecycle:
+            {{- include "couchdb.lifecycleTemplate" . | nindent 12 }}
 {{- end }}
           env:
 {{- if not .Values.allowAdminParty }}
@@ -123,6 +129,11 @@ spec:
                   key: erlangCookie
             - name: ERL_FLAGS
               value: "{{ range $k, $v := .Values.erlangFlags }} -{{ $k }} {{ $v }} {{ end }}"
+{{- if .Values.extraEnv }}
+{{ toYaml .Values.extraEnv | indent 12 }}
+{{- else if .Values.extraEnvTemplate }}
+{{- include "couchdb.extraEnvTemplate" . | indent 12 }}
+{{- end }}
 {{- if .Values.livenessProbe.enabled }}
           livenessProbe:
 {{- if .Values.couchdbConfig.chttpd.require_valid_user }}
@@ -204,6 +215,9 @@ spec:
 {{- with .Values.topologySpreadConstraints }}
       topologySpreadConstraints:
 {{ toYaml . | indent 8 }}
+{{- end }}
+{{- with .Values.priorityClassName }}
+      priorityClassName: {{ . | quote }}
 {{- end }}
       volumes:
         - name: config-storage

couchdb/values.yaml

@@ -258,6 +258,17 @@ prometheusPort:
   bind_address: "0.0.0.0"
   port: 17986
 
+# Optional lifecycle hooks defined by a lifecyle value map or parent template
+# (for e.g. more complex use cases requiring variable interpolation by parent
+# charts)
+lifecycle: {}
+lifecycleTemplate: false
+
+# Optional environment variables defined by a values array or parent template
+# (for e.g. passing secrets as environment variables or for use in the statefulset)
+extraEnv: []
+extraEnvTemplate: false
+
 # Configure arbitrary sidecar containers for CouchDB pods created by the
 # StatefulSet
 sidecars: {}
@@ -281,3 +292,6 @@ placementConfig:
   image:
     repository: caligrafix/couchdb-autoscaler-placement-manager
     tag: 0.1.0
+
+# Optional priority class to be used for CouchDB pods
+priorityClassName: ""