change templating for cluster naming

charts/postgres-cluster/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 2.2.0
+version: 2.2.1
 description: Chart for cloudnative-pg cluster
 keywords:
   - database

charts/postgres-cluster/templates/_backup.tpl

@@ -3,7 +3,7 @@
 backup:
   retentionPolicy: {{ .Values.backup.retentionPolicy }}
   barmanObjectStore:
-    destinationPath: "s3://{{ .Values.backup.endpointBucket }}/{{ .Values.kubernetesClusterName }}/postgresql/{{ include "cluster.name" . }}"
+    destinationPath: "s3://{{ .Values.backup.endpointBucket }}/{{ .Values.kubernetesClusterName }}/postgresql/{{ include "cluster.backupName" . }}"
     endpointURL: {{ .Values.backup.endpointURL }}
     {{- if .Values.backup.endpointCA }}
     endpointCA:

charts/postgres-cluster/templates/_bootstrap.tpl

@@ -63,7 +63,7 @@ externalClusters:
   - name: "{{ include "cluster.name" . }}-backup-{{ .Values.recovery.recoveryIndex }}"
     barmanObjectStore:
       serverName: "{{ include "cluster.name" . }}-backup-{{ .Values.recovery.recoveryIndex }}"
-      destinationPath: "s3://{{ .Values.recovery.endpointBucket }}/{{ .Values.kubernetesClusterName }}/postgresql/{{ .Values.recovery.recoveryName }}"
+      destinationPath: "s3://{{ .Values.recovery.endpointBucket }}/{{ .Values.kubernetesClusterName }}/postgresql/{{ include "cluster.recoveryName" . }}"
       endpointURL: {{ .Values.recovery.endpointURL }}
       {{- with .Values.recovery.endpointCA }}
       endpointCA:

charts/postgres-cluster/templates/_helpers.tpl

@@ -56,6 +56,18 @@ Generate name for object store credentials
   {{- end }}
 {{- end }}
 
+{{/*
+Generate backup server name
+*/}}
+{{- define "cluster.backupName" -}}
+  {{- if .Values.backup.backupName -}}
+    {{- .Values.backup.backupName -}}
+  {{- else -}}
+    {{ include "cluster.name" . }}
+  {{- end }}
+{{- end }}
+
+
 {{/*
 Generate recovery server name
 */}}

charts/postgres-cluster/values.yaml

@@ -171,6 +171,9 @@ backup:
   # Generate external cluster name, creates: postgresql-{{ .Release.Name }}-cluster-backup-index-{{ .Values.backups.backupIndex }}"
   backupIndex: 1
 
+  # Name of the backup cluster in the object store, defaults to "cluster.name"
+  backupName: ""
+
   wal:
     # WAL compression method. One of `` (for no compression), `gzip`, `bzip2` or `snappy`.
     compression: snappy