enhancement: added instance storage class name setting

Author: leonsteinhaeuser

helm/postgres/templates/postgres.yaml

@@ -21,6 +21,7 @@ spec:
     - name: {{ default "instance1" .Values.instanceName | quote }}
       replicas: {{ default 1 .Values.instanceReplicas }}
       dataVolumeClaimSpec:
+        {{- if .Values.storageClassName -}}storageClassName: {{ .Values.storageClassName | quote }}{{ end }}
         accessModes:
         - "ReadWriteOnce"
         resources:

helm/postgres/values.yaml

@@ -73,6 +73,12 @@ postgresVersion: 14
 # to the value below. Settings "instances" overrides this value.
 # instanceSize: 1Gi
 
+# instanceStorageClassName sets the storage class for the volume that contains the data.
+# This defaults to the "default" storage class defined in the cluster.
+# See: 'kubectl get storageclasses.storage.k8s.io | grep default'
+# Settings "instances" overrides this value.
+# instanceStorageClassName: "hostpath"
+
 # instanceMemory sets the memory limit for the Postgres instances. This defaults
 # to no limit being set, but an example value is set below. Settings "instances"
 # overrides this value.