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

tasks/main.yml

@@ -41,8 +41,7 @@
 
 - import_tasks: db_setup.yml
   when:
-    - "designate_services['designate-api']['group'] in group_names"
-    - "inventory_hostname == ((groups[designate_services['designate-api']['group']]| intersect(ansible_play_hosts)) | list)[0]"
+    - "_designate_is_first_play_host"
   vars:
     _oslodb_setup_host: "{{ designate_db_setup_host }}"
     _oslodb_ansible_python_interpreter: "{{ designate_db_setup_python_interpreter }}"
@@ -59,8 +58,7 @@
 
 - import_tasks: mq_setup.yml
   when:
-    - "designate_services['designate-api']['group'] in group_names"
-    - "inventory_hostname == ((groups[designate_services['designate-api']['group']]| intersect(ansible_play_hosts)) | list)[0]"
+    - "_designate_is_first_play_host"
   vars:
     _oslomsg_rpc_setup_host: "{{ designate_oslomsg_rpc_setup_host }}"
     _oslomsg_rpc_userid: "{{ designate_oslomsg_rpc_userid }}"
@@ -113,7 +111,7 @@
   meta: flush_handlers
 
 - import_tasks: designate_db_sync.yml
-  when: inventory_hostname == groups['designate_all'][0]
+  when: _designate_is_first_play_host
   tags:
     - designate-install
 
@@ -143,7 +141,7 @@
       - name: "{{ designate_service_name }}"
         type: "{{ designate_service_type }}"
         description: "{{ designate_service_description }}"
-  when: inventory_hostname == groups['designate_all'][0]
+  when: _designate_is_first_play_host
   tags:
     - designate-install
 

vars/main.yml

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+_designate_is_first_play_host: "{{ (designate_services['designate-api']['group'] in group_names and inventory_hostname == (groups[designate_services['designate-api']['group']] | intersect(ansible_play_hosts)) | first) | 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.