persistence.storageClass not honored

[tushar-hv]

It appears that the persistence.storageClass is documented but is not being honored on deployment. When deploying, if I choose a specific storageClass, it still deploys with the default one configured for the cluster.

$ kubectl get storageclass
NAME                        PROVISIONER                                                RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
hostpath (default)          docker.io/hostpath                                         Delete          Immediate              false                  7d21h
openebs-device              openebs.io/local                                           Delete          WaitForFirstConsumer   false                  2d15h
openebs-hostpath            openebs.io/local                                           Delete          WaitForFirstConsumer   false                  2d15h
openebs-jiva-default        openebs.io/provisioner-iscsi                               Delete          Immediate              false                  2d15h
openebs-snapshot-promoter   volumesnapshot.external-storage.k8s.io/snapshot-promoter   Delete          Immediate              false                  2d15h

$ helm install t1 cetic/postgresql --set persistence.storageClass=openebs-hostpath

$ kubectl get pvc
NAME                   STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
data-t1-postgresql-0   Bound    pvc-7e431d33-34bb-469f-9b2c-ff39f1791721   10Gi       RWO            hostpath       2m16s