Use custom PVCs for NC redis and rabbitmq

Closes: #514

ansible/roles/apps/tasks/nextcloud.yml

@@ -25,3 +25,7 @@
       size: 2Gi
     - name: "mariadb"
       size: 512Mi
+    - name: "rabbitmq"
+      size: 8Gi
+    - name: "redis"
+      size: 8Gi

ansible/roles/apps/templates/nextcloud-settings.yaml

@@ -90,6 +90,12 @@ postgresql:
 rabbitmq:
   rabbitmq:
     password: "{{ onlyoffice_rabbitmq_password }}"
+  persistence:
+    existingClaim: "nextcloud-rabbitmq"
+
+redis:
+  persistence:
+    existingClaim: "nextcloud-redis"
 
 sociallogin:
   server_name: "sso.{{ domain }}"