[stable/kapacitor] Use storageClassName for kapacitor. (#2007)

stable/kapacitor/Chart.yaml

 name: kapacitor
-version: 0.3.0
+version: 0.3.1
 description: InfluxDB's native data processing engine. It can process both stream and batch data from InfluxDB.
 keywords:
 - kapacitor

stable/kapacitor/templates/pvc.yaml

@@ -8,16 +8,17 @@ metadata:
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
     app: {{ template "fullname" . }}
-  annotations:
-  {{- if .Values.persistence.storageClass }}
-    volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass | quote }}
-  {{- else }}
-    volume.alpha.kubernetes.io/storage-class: default
-  {{- end }}
 spec:
   accessModes:
     - {{ .Values.persistence.accessMode | quote }}
   resources:
     requests:
       storage: {{ .Values.persistence.size | quote }}
+{{- if .Values.persistence.storageClass }}
+{{- if (eq "-" .Values.persistence.storageClass) }}
+  storageClassName: ""
+{{- else }}
+  storageClassName: "{{ .Values.persistence.storageClass }}"
+{{- end }}
+{{- end }}
 {{- end }}

stable/kapacitor/values.yaml

@@ -17,10 +17,14 @@ service:
 ##
 persistence:
   enabled: false
-  ## If defined, volume.beta.kubernetes.io/storage-class: <storageClass>
-  ## Default: volume.alpha.kubernetes.io/storage-class: default
+  ## kapacitor data Persistent Volume Storage Class
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is
+  ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
+  ##   GKE, AWS & OpenStack)
   ##
-  # storageClass:
+  # storageClass: "-"
   accessMode: ReadWriteOnce
   size: 8Gi