allow multiple mon containers to reach quorum

Signed-off-by: Huamin Chen <hchen@redhat.com>

roles/ceph-mon/tasks/ceph_keys.yml

@@ -15,6 +15,8 @@
     not mon_containerized_deployment and
     groups[restapi_group_name] is defined
 
+- debug: msg="host {{ inventory_hostname }} last {{ groups.mons|last }}"
+
 - name: create ceph rest api keyring when mon is containerized
   command: docker exec {{ ansible_hostname }} ceph auth get-or-create client.restapi osd 'allow *' mon 'allow *' -o /etc/ceph/ceph.client.restapi.keyring
   args:
@@ -23,7 +25,9 @@
   when:
     cephx and
     mon_containerized_deployment and
-    groups[restapi_group_name] is defined
+    groups[restapi_group_name] is defined and
+    inventory_hostname == groups.mons|last
+
 
 - include: openstack_config.yml
   when: openstack_config