feat(helm): enable ha for Flink cluster deployment

helm/templates/flink/deploy.yaml

@@ -40,12 +40,16 @@ spec:
                 taskmanager.numberOfTaskSlots: {{ .Values.flink.taskManager.numberOfTaskSlots }}
                 parallelism.default: {{ .Values.flink.parallelism.default }}
                 state.backend: {{ .Values.flink.state.backend }}
-                state.savepoints.dir: {{ .Values.flink.state.savepoints.dir }}  # Savepoints path
+                state.savepoints.dir: {{ .Values.flink.state.savepoints.dir }}
                 rest.port: 8081
                 rootLogger.level = DEBUG
                 rootLogger.appenderRef.console.ref = ConsoleAppender
                 web.upload.dir: /opt/flink/data/web-upload
                 state.checkpoints.dir: file:///tmp/flink-checkpoints
+                high-availability.type: kubernetes
+                high-availability.storageDir: file:///opt/flink/ha
+                kubernetes.cluster-id: cluster-one
+                kubernetes.namespace: {{ .Release.Namespace }}
           volumeMounts:
             - name: flink-data
               mountPath: /opt/flink/data
@@ -55,6 +59,9 @@ spec:
               subPath: web-upload
             - name: flink-savepoints
               mountPath: /opt/flink/savepoints
+            - name: flink-savepoints
+              mountPath: /opt/flink/ha
+              subPath: ha
 
       volumes:
         - name: flink-data