The ceph_keyring value is expected to be a full path
to the keyring. But we currently only pass in
client.<cephuser>. This patch fixes the value
to be full path.
Closes-Bug: #
1586010
Change-Id: I5666c44bb35b6ae109c68506704eff776f5dceda
                 gnocchi::storage::ceph::ceph_keyring:
                   list_join:
                   - '.'
-                  - - 'client'
+                  - - '/etc/ceph/ceph'
+                    - 'client'
                     - {get_param: CephClientUserName}
+                    - 'keyring'
                 ceph_client_user_name: {get_param: CephClientUserName}
                 ceph_pools:
                   - {get_param: CinderRbdPoolName}
 
                 gnocchi::storage::ceph::ceph_keyring:
                   list_join:
                   - '.'
-                  - - 'client'
+                  - - '/etc/ceph/ceph'
+                    - 'client'
                     - {get_param: CephClientUserName}
+                    - 'keyring'
                 ceph_client_user_name: {get_param: CephClientUserName}
                 ceph_pools:
                   - {get_param: CinderRbdPoolName}