only render plugin field of postgresql cluster if backup is enabled in the values (#391)

* only render plugin field of postgresql cluster if backup is enabled in the values

* simplify enabling of backup on cluster

Author: QuantumEnigmaa

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Only render plugin field of postgresql cluster if backup is enabled in the values.
+
 ## [2.28.1] - 2025-12-03
 
 ### Fixed

helm/grafana/templates/cnpg/cluster.yaml

@@ -35,6 +35,7 @@ spec:
   {{- end }}
   plugins:
   - name: barman-cloud.cloudnative-pg.io
+    enabled: {{ .Values.postgresqlCluster.backup.enabled }}
     isWALArchiver: true
     parameters:
       barmanObjectName: {{ .Values.postgresqlCluster.name }}-objectstore-backup