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

tasks/cinder_post_install.yml

@@ -84,7 +84,7 @@
     flat: yes
   changed_when: false
   with_items: "{{ cinder_core_files }}"
-  run_once: true
+  when: _cinder_is_first_play_host
 
 - name: Copy common config
   config_template:

tasks/main.yml

@@ -42,8 +42,7 @@
 
 - import_tasks: db_setup.yml
   when:
-    - "cinder_services['cinder-api']['group'] in group_names"
-    - "inventory_hostname == ((groups[cinder_services['cinder-api']['group']] | intersect(ansible_play_hosts)) | list)[0]"
+    - _cinder_is_first_play_host
   vars:
     _oslodb_setup_host: "{{ cinder_db_setup_host }}"
     _oslodb_ansible_python_interpreter: "{{ cinder_db_setup_python_interpreter }}"
@@ -60,8 +59,7 @@
 
 - import_tasks: mq_setup.yml
   when:
-    - "cinder_services['cinder-api']['group'] in group_names"
-    - "inventory_hostname == ((groups[cinder_services['cinder-api']['group']]| intersect(ansible_play_hosts)) | list)[0]"
+    - _cinder_is_first_play_host
   vars:
     _oslomsg_rpc_setup_host: "{{ cinder_oslomsg_rpc_setup_host }}"
     _oslomsg_rpc_userid: "{{ cinder_oslomsg_rpc_userid }}"
@@ -132,9 +130,7 @@
 
 - import_tasks: cinder_db_sync.yml
   when:
-    - "groups['cinder_api'] | length > 0"
-    - "cinder_services['cinder-api']['group'] in group_names"
-    - "inventory_hostname == ((groups['cinder_api'] | intersect(ansible_play_hosts)) | list)[0]"
+    - _cinder_is_first_play_host
   tags:
     - cinder-config
 
@@ -163,9 +159,7 @@
         password: "{{ cinder_service_password }}"
         role: "{{ cinder_service_role_name }}"
   when:
-    - "groups['cinder_api'] | length > 0"
-    - "cinder_services['cinder-api']['group'] in group_names"
-    - "inventory_hostname == ((groups['cinder_api'] | intersect(ansible_play_hosts)) | list)[0]"
+    - "_cinder_is_first_play_host"
   tags:
     - cinder-config
 
@@ -203,7 +197,6 @@
 - import_tasks: cinder_backends.yml
   when:
     - "groups[cinder_services['cinder-volume']['group']] | length > 0"
-    - "cinder_services['cinder-api']['group'] in group_names"
-    - "inventory_hostname == ((groups[cinder_services['cinder-api']['group']] | intersect(ansible_play_hosts)) | list)[-1]"
+    - "_cinder_is_first_play_host"
   tags:
     - cinder-config

vars/main.yml

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+_cinder_is_first_play_host: "{{ (cinder_services['cinder-api']['group'] in group_names and inventory_hostname == (groups[cinder_services['cinder-api']['group']] | intersect(ansible_play_hosts)) | first) | bool }}"
+
 _cinder_rootwrap_conf_overrides:
   DEFAULT:
     filters_path: "/etc/cinder/rootwrap.d,/usr/share/cinder/rootwrap"