[helm] Add volume management, custom labels, environment variables and custom existing secret (#108)

Author: pauldn-wttj

charts/ext-postgres-operator/Chart.yaml

@@ -7,7 +7,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.2.1
+version: 1.2.2
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/ext-postgres-operator/templates/operator.yaml

@@ -18,6 +18,9 @@ spec:
       {{- end }}
       labels:
         {{- include "chart.selectorLabels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
     spec:
       serviceAccountName: {{ include "chart.serviceAccountName" . }}
       securityContext:
@@ -32,7 +35,11 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           envFrom:
             - secretRef:
+                {{- if .Values.existingSecret }}
+                name: {{ .Values.existingSecret }}
+                {{- else }}
                 name: {{ include "chart.fullname" . }}
+                {{- end }}
           env:
             - name: WATCH_NAMESPACE
               value: {{ .Values.watchNamespace | default "" }}
@@ -42,3 +49,19 @@ spec:
                   fieldPath: metadata.name
             - name: OPERATOR_NAME
               value: {{ include "chart.fullname" . }}
+            {{- range $key, $value := .Values.env }}
+            - name: {{ $key }}
+              value: {{ $value }}
+            {{- end }}
+          {{- if .Values.volumeMounts }}
+          volumeMounts:
+            {{- toYaml .Values.volumeMounts | nindent 12 }}
+          {{- end }}
+      {{- if .Values.volumes }}
+      volumes:
+        {{- toYaml .Values.volumes | nindent 8 }}
+      {{- end }}
+      nodeSelector:
+        {{- toYaml .Values.nodeSelector | nindent 8 }}
+      tolerations:
+        {{- toYaml .Values.tolerations | nindent 8 }}

charts/ext-postgres-operator/templates/secret.yaml

@@ -1,3 +1,5 @@
+{{- if (not .Values.existingSecret) }}
+---
 apiVersion: v1
 kind: Secret
 metadata:
@@ -15,3 +17,4 @@ data:
   POSTGRES_URI_ARGS: {{ .Values.postgres.uri_args | b64enc | quote }}
   POSTGRES_CLOUD_PROVIDER: {{ .Values.postgres.cloud_provider | b64enc | quote }}
   POSTGRES_DEFAULT_DATABASE: {{ .Values.postgres.default_database | b64enc | quote }}
+{{- end }}

charts/ext-postgres-operator/values.yaml

@@ -24,6 +24,9 @@ serviceAccount:
 
 podAnnotations: {}
 
+# Additionnal labels to add to the pod.
+podLabels: {}
+
 podSecurityContext: {}
   # fsGroup: 2000
 
@@ -55,3 +58,20 @@ postgres:
   cloud_provider: ""
   # default database to use
   default_database: "postgres"
+
+# Volumes to add to the pod.
+volumes: []
+
+# Volumes to mount onto the pod.
+volumeMounts: []
+
+# Existing secret where values to connect to Postgres are defined.
+# If not set a new secret will be created, filled with information under the postgres key above.
+existingSecret: ""
+
+# Additionnal environment variables to add to the pod (map of key / value)
+env: {}
+
+nodeSelector: {}
+
+tolerations: []