Refactor the glance service group mapping

Add a glance_service_groups variable containers the container name,
service name and group name. In this way, we can remove lots of
duplicated lines.

TrivialFix

Change-Id: I9beb7509ad7221cd495e3211a2e67d986486aac6

ansible/roles/glance/defaults/main.yml

@@ -1,5 +1,9 @@
 ---
 project_name: "glance"
+glance_service_groups:
+  - { name: glance_api, service: glance-api, group: glance-api }
+  - { name: glance_registry, service: glance-registry, group: glance-registry }
+
 
 ####################
 # Ceph

ansible/roles/glance/tasks/config.yml

@@ -5,18 +5,14 @@
     state: "directory"
     recurse: yes
   when: inventory_hostname in groups[item.group]
-  with_items:
-    - { service: glance-api, group: glance-api }
-    - { service: glance-registry, group: glance-registry }
+  with_items: "{{ glance_service_groups }}"
 
 - name: Copying over config.json files for services
   template:
     src: "{{ item.service }}.json.j2"
     dest: "{{ node_config_directory }}/{{ item.service }}/config.json"
   when: inventory_hostname in groups[item.group]
-  with_items:
-    - { service: glance-api, group: glance-api }
-    - { service: glance-registry, group: glance-registry }
+  with_items: "{{ glance_service_groups }}"
 
 - name: Copying over glance-*.conf
   merge_configs:
@@ -32,7 +28,4 @@
       - "/etc/kolla/config/glance/{{ inventory_hostname }}/{{ item.service }}.conf"
     dest: "{{ node_config_directory }}/{{ item.service }}/{{ item.service }}.conf"
   when: inventory_hostname in groups[item.group]
-  with_items:
-    - { service: glance-api, group: glance-api }
-    - { service: glance-registry, group: glance-registry }
-
+  with_items: "{{ glance_service_groups }}"

ansible/roles/glance/tasks/do_reconfigure.yml

@@ -6,9 +6,7 @@
   register: container_state
   failed_when: container_state.Running == false
   when: inventory_hostname in groups[item.group]
-  with_items:
-    - { name: glance_api, group: glance-api }
-    - { name: glance_registry, group: glance-registry }
+  with_items: "{{ glance_service_groups }}"
 
 - include: config.yml
 
@@ -18,9 +16,7 @@
   failed_when: false
   register: check_results
   when: inventory_hostname in groups[item.group]
-  with_items:
-    - { name: glance_api, group: glance-api }
-    - { name: glance_registry, group: glance-registry }
+  with_items: "{{ glance_service_groups }}"
 
 # NOTE(jeffrey4l): when config_strategy == 'COPY_ALWAYS'
 # and container env['KOLLA_CONFIG_STRATEGY'] == 'COPY_ONCE',
@@ -31,9 +27,7 @@
     action: "get_container_env"
   register: container_envs
   when: inventory_hostname in groups[item.group]
-  with_items:
-    - { name: glance_api, group: glance-api }
-    - { name: glance_registry, group: glance-registry }
+  with_items: "{{ glance_service_groups }}"
 
 - name: Remove the containers
   kolla_docker:
@@ -45,8 +39,7 @@
     - item[2]['rc'] == 1
     - inventory_hostname in groups[item[0]['group']]
   with_together:
-    - [{ name: glance_api, group: glance-api },
-       { name: glance_registry, group: glance-registry }]
+    - "{{ glance_service_groups }}"
     - container_envs.results
     - check_results.results
 
@@ -63,7 +56,6 @@
     - item[2]['rc'] == 1
     - inventory_hostname in groups[item[0]['group']]
   with_together:
-    - [{ name: glance_api, group: glance-api },
-       { name: glance_registry, group: glance-registry }]
+    - "{{ glance_service_groups }}"
     - container_envs.results
     - check_results.results