Updated image pull policy for backup and restore policy as variable (#1473)

roles/restore/README.md

@@ -101,6 +101,12 @@ backup_pvc: myoldtower-backup-claim
 backup_dir: /backups/tower-openshift-backup-2021-04-02-03:25:08
 ```
 
+Variable to define Pull policy.You can pass other options like `Always`, `always`, `Never`, `never`, `IfNotPresent`, `ifnotpresent`.
+
+```
+image_pull_policy: 'IfNotPresent'
+```
+
 Variable to define resources limits and request for restore CR.
 
 ```

roles/restore/templates/management-pod.yml.j2

@@ -10,7 +10,7 @@ spec:
   containers:
   - name: {{ ansible_operator_meta.name }}-db-management
     image: "{{ _postgres_image }}"
-    imagePullPolicy: Always
+    imagePullPolicy: "{{ image_pull_policy }}"
     command: ["sleep", "infinity"]
     volumeMounts:
     - name: {{ ansible_operator_meta.name }}-backup

roles/restore/vars/main.yml

@@ -13,3 +13,4 @@ admin_password_secret: '{{ deployment_name }}-admin-password'
 broadcast_websocket_secret: '{{ deployment_name }}-broadcast-websocket'
 postgres_configuration_secret: '{{ deployment_name }}-postgres-configuration'
 supported_pg_version: 13
+image_pull_policy: IfNotPresent