Expose rpc service for remote backups and restores (#8995)

stable/influxdb/Chart.yaml

 name: influxdb
-version: 0.11.0
+version: 0.12.0
 appVersion: 1.6
 description: Scalable datastore for metrics, events, and real-time analytics.
 keywords:

stable/influxdb/templates/service.yaml

@@ -58,5 +58,10 @@ spec:
     port: {{ .Values.config.opentsdb.bind_address }}
     targetPort: {{ .Values.config.opentsdb.bind_address }}
   {{- end }}
+  {{- if .Values.exposeRpcService }}
+  - name: rpc
+    port: {{ .Values.config.bind_address }}
+    targetPort: {{ .Values.config.bind_address }}
+  {{- end }}
   selector:
     app: {{ template "influxdb.fullname" . }}

stable/influxdb/values.yaml

@@ -231,3 +231,5 @@ config:
     log_enabled: true
     enabled: true
     run_interval: 1s
+
+exposeRpcService: true