[stable/postgresql] Fix data permission error on pod restart (#14538) (#14540)

The command 'mkdir -p' has no effect if the directory already exists. To ensure the init container sets the mode for an existing data directory, we call 'chmod 700' separately.

Signed-off-by: Tim Guenthner <aerotog@gmail.com>

stable/postgresql/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: postgresql
-version: 5.3.2
+version: 5.3.3
 appVersion: 11.3.0
 description: Chart for PostgreSQL, an object-relational database management system (ORDBMS) with an emphasis on extensibility and on standards-compliance.
 keywords:

stable/postgresql/templates/statefulset-slaves.yaml

@@ -70,7 +70,8 @@ spec:
           - sh
           - -c
           - |
-            mkdir -m 700 -p {{ .Values.persistence.mountPath }}/data
+            mkdir -p {{ .Values.persistence.mountPath }}/data
+            chmod 700 {{ .Values.persistence.mountPath }}/data
             find {{ .Values.persistence.mountPath }} -mindepth 1 -maxdepth 1 -not -name ".snapshot" | \
               xargs chown -R {{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }}
         securityContext:

stable/postgresql/templates/statefulset.yaml

@@ -74,7 +74,8 @@ spec:
           - sh
           - -c
           - |
-            mkdir -m 700 -p {{ .Values.persistence.mountPath }}/data
+            mkdir -p {{ .Values.persistence.mountPath }}/data
+            chmod 700 {{ .Values.persistence.mountPath }}/data
             find {{ .Values.persistence.mountPath }} -mindepth 1 -maxdepth 1 -not -name ".snapshot" | \
               xargs chown -R {{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }}
         securityContext: