[bitnami/postgresql] Add Persistent Volume Claim Retention Policy to Postgresql Statefulsets (#18276)

* Added Persistent Volume Claim Retention Policy Variables

Signed-off-by: BC\jlevitt <jackson.levitt@beast-code.com>
Signed-off-by: Jackson Levitt <jackson.levitt@beast-code.com>

* Added Functionality to Postgresql Chart

Signed-off-by: BC\jlevitt <jackson.levitt@beast-code.com>
Signed-off-by: Jackson Levitt <jackson.levitt@beast-code.com>

* Edited ReadME.md

Signed-off-by: BC\jlevitt <jackson.levitt@beast-code.com>
Signed-off-by: Jackson Levitt <jackson.levitt@beast-code.com>

* Version Bump

Signed-off-by: Jackson Levitt <jackson.levitt@beast-code.com>

* Update Chart.yaml

Minor Bump

Signed-off-by: JL-Beast <116188483+jl-beast@users.noreply.github.com>

* Update Chart.yaml version

Signed-off-by: Cori Avila <42420333+corico44@users.noreply.github.com>

---------

Signed-off-by: BC\jlevitt <jackson.levitt@beast-code.com>
Signed-off-by: Jackson Levitt <jackson.levitt@beast-code.com>
Signed-off-by: JL-Beast <116188483+jl-beast@users.noreply.github.com>
Signed-off-by: Cori Avila <42420333+corico44@users.noreply.github.com>
Co-authored-by: Cori Avila <42420333+corico44@users.noreply.github.com>

bitnami/postgresql/templates/primary/statefulset.yaml

@@ -619,6 +619,11 @@ spec:
         - name: data
           emptyDir: {}
   {{- else }}
+  {{- if .Values.primary.persistentVolumeClaimRetentionPolicy.enabled }}
+  persistentVolumeClaimRetentionPolicy:
+    whenDeleted: {{ .Values.primary.persistentVolumeClaimRetentionPolicy.whenDeleted }}
+    whenScaled: {{ .Values.primary.persistentVolumeClaimRetentionPolicy.whenScaled }}
+  {{- end }}
   volumeClaimTemplates:
     - apiVersion: v1
       kind: PersistentVolumeClaim

bitnami/postgresql/templates/read/statefulset.yaml

@@ -519,6 +519,11 @@ spec:
         - name: data
           emptyDir: {}
   {{- else }}
+  {{- if .Values.readReplicas.persistentVolumeClaimRetentionPolicy.enabled }}
+  persistentVolumeClaimRetentionPolicy:
+    whenDeleted: {{ .Values.readReplicas.persistentVolumeClaimRetentionPolicy.whenDeleted }}
+    whenScaled: {{ .Values.readReplicas.persistentVolumeClaimRetentionPolicy.whenScaled }}
+  {{- end }}
   volumeClaimTemplates:
     - metadata:
         name: data