enhancement: added backup volume storage class name config

Author: leonsteinhaeuser

helm/postgres/templates/postgres.yaml

@@ -57,6 +57,7 @@ spec:
         {{- if $repo.volume }}
         volume:
           volumeClaimSpec:
+            {{- if $repo.volume.backupsStorageClassName -}}storageClassName: {{ .Values.backupsStorageClassName | quote }}{{ end }}
             accessModes:
             - "ReadWriteOnce"
             resources:
@@ -115,6 +116,7 @@ spec:
       - name: repo1
         volume:
           volumeClaimSpec:
+            {{- if .Values.backupsStorageClassName -}}storageClassName: {{ .Values.backupsStorageClassName | quote }}{{ end }}
             accessModes:
             - "ReadWriteOnce"
             resources:

helm/postgres/values.yaml

@@ -175,6 +175,11 @@ postgresVersion: 14
 # can be overridden by "pgBackRestConfig", if set. Defaults to the value below.
 # backupsSize: 1Gi
 
+# backupsStorageClassName sets the storage class to a class existing in Kubernetes.
+# Defaults to the "default" storage class defined in the cluster.
+# Can be overridden by "pgBackRestConfig", if set.
+# backupsStorageClassName: "hostpath"
+
 # s3 allows for AWS S3 or an S3 compatible storage system to be used for
 # backups. This allows for a quick setup with S3; if you need more advanced
 # setup, use pgBackRestConfig.