Merge "Fix "key_repository is world readable: /etc/keystone/fernet-keys/" warning"

ansible/roles/keystone/templates/keystone.json.j2

@@ -45,6 +45,11 @@
         {
             "path": "/var/log/kolla/keystone/keystone.log",
             "owner": "keystone:keystone"
+        },
+        {
+            "path": "/etc/keystone/fernet-keys",
+            "owner": "keystone:keystone",
+            "perm": "0770"
         }
     ]
 }