ODCS: Execute Pungi cache ownership fix only on backend.

roles/odcs/backend/tasks/main.yml

@@ -23,6 +23,17 @@
   tags:
   - odcs
   - odcs/backend
+- name: ensure Pungi cache files have right ownership
+  file:
+    path: "{{ item }}"
+    owner: odcs-server
+    group: odcs-server
+  with_items:
+  - /var/tmp/pungi_cache_file.dbm.rw.lock
+  - /var/tmp/pungi_cache_file.dbm.rw
+  tags:
+    - odcs
+    - odcs/backend
 - name: generate the ODCS koji config
   template:
     src: etc/koji.conf.d/odcs.conf.j2

roles/odcs/base/tasks/main.yml

@@ -93,17 +93,6 @@
     - odcs
     - odcs/backend
 
-- name: ensure Pungi cache files have right ownership
-  file:
-    path: "{{ item }}"
-    owner: odcs-server
-    group: odcs-server
-  with_items:
-  - /var/tmp/pungi_cache_file.dbm.rw.lock
-  - /var/tmp/pungi_cache_file.dbm.rw
-  tags:
-    - odcs
-    - odcs/backend
 
 # this app config is shared by backend and frontend, but has different
 # owner groups on backend and frontend, and notify different handlers,