Add extra EnvVars, VolumeMounts, Volumes and InitContainers to the STS

.gitignore

@@ -1 +1,3 @@
 *.swp
+*.tgz
+.idea/

couchdb/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: couchdb
-version: 4.5.6
+version: 4.5.7
 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/NEWS.md

@@ -1,5 +1,12 @@
 # NEWS
 
+## 4.5.7
+
+- Add `extraEnvVars` to the `couchdb` container in the StatefulSet.
+- Add `extraVolumeMounts` to the `couchdb` container in the StatefulSet
+- Add `extraVolumes` to the StatefulSet
+- Add `extraInitContainers` to the StatefulSet
+
 ## 4.5.6
 
 - Add `extraPorts` to the network policy when the network policy is enabled.

couchdb/requirements.lock

@@ -0,0 +1,6 @@
+dependencies:
+- name: common
+  repository: oci://registry-1.docker.io/bitnamicharts
+  version: 2.20.4
+digest: sha256:73045308add144761f12bc13cbad9fddcdce25c6919140e0683d18622bf56ba0
+generated: "2024-07-12T14:35:04.405255+02:00"

couchdb/requirements.yaml

@@ -0,0 +1,6 @@
+dependencies:
+- name: common
+  repository: oci://registry-1.docker.io/bitnamicharts
+  tags:
+  - bitnami-common
+  version: 2.x.x

couchdb/templates/statefulset.yaml

@@ -87,6 +87,9 @@ spec:
           resources:
 {{ toYaml .Values.initResources | indent 12 }}
 {{- end }}
+        {{- if .Values.extraInitContainers }}
+        {{- include "common.tplvalues.render" (dict "value" .Values.extraInitContainers "context" $) | nindent 8 }}
+        {{- end }}
       containers:
         - name: couchdb
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
@@ -129,6 +132,9 @@ spec:
                   key: erlangCookie
             - name: ERL_FLAGS
               value: "{{ range $k, $v := .Values.erlangFlags }} -{{ $k }} {{ $v }} {{ end }}"
+{{- if .Values.extraEnvVars }}
+            {{- include "common.tplvalues.render" (dict "value" .Values.extraEnvVars "context" $) | nindent 12 }}
+{{- end }}
 {{- if .Values.livenessProbe.enabled }}
           livenessProbe:
 {{- if .Values.couchdbConfig.chttpd.require_valid_user }}
@@ -178,6 +184,9 @@ spec:
 {{- end }}
           - name: database-storage
             mountPath: /opt/couchdb/data
+{{- if .Values.extraVolumeMounts }}
+          {{- include "common.tplvalues.render" (dict "value" .Values.extraVolumeMounts "context" $) | nindent 10 }}
+{{- end }}
           {{- if .Values.containerSecurityContext }}
           securityContext: {{ .Values.containerSecurityContext | toYaml | nindent 12 }}
           {{- end }}
@@ -226,6 +235,9 @@ spec:
               - key: prometheusinifile
                 path: prometheus.ini
 {{- end }}
+{{- if .Values.extraVolumes }}
+        {{- include "common.tplvalues.render" ( dict "value" .Values.extraVolumes "context" $ ) | nindent 8 }}
+{{- end }}
 
 {{- if .Values.adminHash }}
         - name: local-config-storage

couchdb/values.yaml

@@ -105,6 +105,9 @@ initImage:
   tag: latest
   pullPolicy: Always
 
+## Define extra init containers here. E.g. for copying custom configuration files
+extraInitContainers: []
+
 ## CouchDB is happy to spin up cluster nodes in parallel, but if you encounter
 ## problems you can try setting podManagementPolicy to the StatefulSet default
 ## `OrderedReady`
@@ -167,6 +170,25 @@ extraPorts: []
   # - name: sqs
   #   containerPort: 4984
 
+## Additional environment variables to set in the CouchDB container
+extraEnvVars: []
+  # - name: MY_ENV_VAR
+  #   value: my-env-var-value
+
+## If you need to mount extra volumes on the CouchDB container
+extraVolumeMounts:
+  # - name: limits-config
+  #   mountPath: /etc/security/limits.d
+
+## Define extra volumes for the StatefulSet here
+extraVolumes:
+  # - name: limits-config
+  #   configMap:
+  #     name: limits-config
+  #     items:
+  #       - key: 100-couchdb
+  #         path: 100-couchdb.conf
+
 ## An Ingress resource can provide name-based virtual hosting and TLS
 ## termination among other things for CouchDB deployments which are accessed
 ## from outside the Kubernetes cluster.