Merge "Define condition for the first play host one time"

tasks/main.yml

@@ -41,7 +41,7 @@
 
 - import_tasks: db_setup.yml
   when:
-    - inventory_hostname == groups['cloudkitty_all'][0]
+    - _cloudkitty_is_first_play_host
   vars:
     _oslodb_setup_host: "{{ cloudkitty_db_setup_host }}"
     _oslodb_ansible_python_interpreter: "{{ cloudkitty_db_setup_python_interpreter }}"
@@ -58,7 +58,7 @@
 
 - import_tasks: mq_setup.yml
   when:
-    - inventory_hostname == groups['cloudkitty_all'][0]
+    - _cloudkitty_is_first_play_host
   vars:
     _oslomsg_rpc_setup_host: "{{ cloudkitty_oslomsg_rpc_setup_host }}"
     _oslomsg_rpc_userid: "{{ cloudkitty_oslomsg_rpc_userid }}"
@@ -138,13 +138,13 @@
       - name: "{{ cloudkitty_service_name }}"
         type: "rating"
         description: "OpenStack Rating Service"
-  when: inventory_hostname == groups['cloudkitty_all'][0]
+  when: _cloudkitty_is_first_play_host
   tags:
     - cloudkitty-config
 
 - import_tasks: cloudkitty_db_sync.yml
   when:
-    - inventory_hostname == groups['cloudkitty_all'][0]
+    - _cloudkitty_is_first_play_host
   tags:
     - cloudkitty-config
 

vars/main.yml

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+_cloudkitty_is_first_play_host: "{{ (cloudkitty_services['cloudkitty-api']['group'] in group_names and inventory_hostname == ((groups[cloudkitty_services['cloudkitty-api']['group']] | intersect(ansible_play_hosts)) | list)[0]) | bool }}"
+
 #
 # Compile a list of the services on a host based on whether
 # the host is in the host group and the service is enabled.