Use storageClassName for patroni. (#2044)

* [incubator/patroni] Use storageClassName for patroni.

* Fix requirements.lock

* Update Chart.yaml

incubator/patroni/Chart.yaml

@@ -1,6 +1,6 @@
 name: patroni
 description: 'Highly available elephant herd: HA PostgreSQL cluster.'
-version: 0.8.1
+version: 0.9.0
 appVersion: 1.4-p7
 home: https://github.com/zalando/patroni
 sources:

incubator/patroni/templates/statefulset-patroni.yaml

@@ -146,11 +146,6 @@ spec:
     - metadata:
         name: storage-volume
         annotations:
-        {{- if .Values.persistentVolume.storageClass }}
-          volume.beta.kubernetes.io/storage-class: "{{ .Values.persistentVolume.storageClass }}"
-        {{- else }}
-          volume.alpha.kubernetes.io/storage-class: default
-        {{- end }}
         {{- if .Values.persistentVolume.annotations }}
 {{ toYaml .Values.persistentVolume.annotations | indent 8 }}
         {{- end }}
@@ -165,3 +160,10 @@ spec:
         resources:
           requests:
             storage: "{{ .Values.persistentVolume.size }}"
+      {{- if .Values.persistentVolume.storageClass }}
+      {{- if (eq "-" .Values.persistentVolume.storageClass) }}
+        storageClassName: ""
+      {{- else }}
+        storageClassName: "{{ .Values.persistentVolume.storageClass }}"
+      {{- end }}
+      {{- end }}

incubator/patroni/values.yaml

@@ -53,7 +53,14 @@ walE:
 
 persistentVolume:
   size: 1G
-  storageClass: ""
+  ## database 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: "-"
   subPath: ""
   mountPath: "/home/postgres/pgdata"
   annotations: {}