[etherpad] add database env

charts/etherpad/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: etherpad
 description: A Helm chart for etherpad lite
 type: application
-version: 0.0.8
+version: 0.0.9
 appVersion: latest
 home: https://github.com/redhat-cop/helm-charts
 icon: https://pbs.twimg.com/profile_images/1336377123964145665/2gTadaDt_400x400.jpg

charts/etherpad/templates/deployment.yaml

@@ -26,6 +26,22 @@ spec:
             value: {{ .Values.defaultTitle }}
           - name: DEFAULT_PAD_TEXT
             value: {{ .Values.defaultText }}
+          {{- if .Values.database.enabled }}
+          - name: DB_TYPE
+            value: {{ .Values.database.db_type }}
+          - name: DB_HOST
+            value: {{ .Values.database.db_host }}
+          - name: DB_PORT
+            value: "{{ .Values.database.db_port }}"
+          - name: DB_NAME
+            value: {{ .Values.database.db_name }}
+          - name: DB_USER
+            value: {{ .Values.database.db_user }}
+          - name: DB_PASS
+            value: {{ .Values.database.db_pass }}
+          - name: DB_CHARSET
+            value: {{ .Values.database.db_charset }}
+          {{- end }}
           name: {{ .Chart.Name }}
           securityContext:
             {{- toYaml .Values.securityContext | nindent 12 }}

charts/etherpad/values.yaml

@@ -51,9 +51,22 @@ tolerations: []
 affinity: {}
 
 persistence:
+  # use DirtyDB
   enabled: true
   annotations: {}
   storageClass:
   accessMode: ReadWriteOnce
   size: 1Gi
   mountPath: /opt/etherpad-lite/var
+
+database:
+  enabled: false
+  # a database supported by https://www.npmjs.com/package/ueberdb2
+  # https://github.com/ether/etherpad-lite/blob/develop/doc/docker.adoc#database
+  db_type: mysql
+  db_host: mysql.svc
+  db_port: 3306
+  db_name: etherpad
+  db_user: etherpad
+  db_pass: password
+  db_charset: utf8mb4