Reconfigure cinder service

Change-Id: I8d207d1782acfebf5c07de39df3257fd9bdbbada
Partially-implements: bp kolla-reconfig

ansible/roles/cinder/tasks/do_reconfigure.yml

@@ -0,0 +1,79 @@
+---
+- name: Ensuring the containers up
+  kolla_docker:
+    name: "{{ item.name }}"
+    action: "get_container_state"
+  register: container_state
+  failed_when: container_state.Running == false
+  when: inventory_hostname in groups[item.group]
+  with_items:
+    - { name: cinder_api, group: cinder-api }
+    - { name: cinder_scheduler, group: cinder-scheduler }
+    - { name: cinder_volume, group: cinder-volume }
+    - { name: cinder_backup, group: cinder-backup }
+
+- include: config.yml
+
+- name: Check the configs
+  command: docker exec {{ item.name }} /usr/local/bin/kolla_set_configs --check
+  changed_when: false
+  failed_when: false
+  register: check_results
+  when: inventory_hostname in groups[item.group]
+  with_items:
+    - { name: cinder_api, group: cinder-api }
+    - { name: cinder_scheduler, group: cinder-scheduler }
+    - { name: cinder_volume, group: cinder-volume }
+    - { name: cinder_backup, group: cinder-backup }
+
+# NOTE(jeffrey4l): when config_strategy == 'COPY_ALWAYS'
+# and container env['KOLLA_CONFIG_STRATEGY'] == 'COPY_ONCE',
+# just remove the container and start again
+- name: Containers config strategy
+  kolla_docker:
+    name: "{{ item.name }}"
+    action: "get_container_env"
+  register: container_envs
+  when: inventory_hostname in groups[item.group]
+  with_items:
+    - { name: cinder_api, group: cinder-api }
+    - { name: cinder_scheduler, group: cinder-scheduler }
+    - { name: cinder_volume, group: cinder-volume }
+    - { name: cinder_backup, group: cinder-backup }
+
+- name: Remove the containers
+  kolla_docker:
+    name: "{{ item[0]['name'] }}"
+    action: "remove_container"
+  register: remove_containers
+  when:
+    - config_strategy == "COPY_ONCE" or item[1]['KOLLA_CONFIG_STRATEGY'] == 'COPY_ONCE'
+    - item[2]['rc'] == 1
+    - inventory_hostname in groups[item[0]['group']]
+  with_together:
+    - [{ name: cinder_api, group: cinder-api },
+       { name: cinder_scheduler, group: cinder-scheduler },
+       { name: cinder_volume, group: cinder-volume },
+       { name: cinder_backup, group: cinder-backup }]
+    - container_envs.results
+    - check_results.results
+
+- include: start.yml
+  when: remove_containers.changed
+
+- name: Restart containers
+  kolla_docker:
+    name: "{{ item[0]['name'] }}"
+    action: "restart_container"
+  when:
+    - config_strategy == 'COPY_ALWAYS'
+    - item[1]['KOLLA_CONFIG_STRATEGY'] != 'COPY_ONCE'
+    - item[2]['rc'] == 1
+    - inventory_hostname in groups[item[0]['group']]
+  with_together:
+    - [{ name: cinder_api, group: cinder-api },
+       { name: cinder_scheduler, group: cinder-scheduler },
+       { name: cinder_volume, group: cinder-volume },
+       { name: cinder_backup, group: cinder-backup }]
+    - container_envs.results
+    - check_results.results

ansible/roles/cinder/tasks/reconfigure.yml

@@ -1 +1,7 @@
 ---
+- include: do_reconfigure.yml
+  serial: "30%"
+  when: inventory_hostname in groups['cinder-api']
+        or inventory_hostname in groups['cinder-scheduler']
+        or inventory_hostname in groups['cinder-volume']
+        or inventory_hostname in groups['cinder-backup']

docker/base/set_configs.py

@@ -282,9 +282,15 @@ def execute_config_check():
         dest = config_file.get('dest')
         perm = config_file.get('perm')
         owner = config_file.get('owner')
+        optional = config_file.get('optional', False)
         if not os.path.exists(dest):
-            LOG.error('Dest file not exist: %s', dest)
-            sys.exit(1)
+            if optional:
+                LOG.info('Dest file does not exist, but is optional: %s',
+                         dest)
+                return
+            else:
+                LOG.error('Dest file does not exist and is: %s', dest)
+                sys.exit(1)
         # check content
         with open(source) as fp1, open(dest) as fp2:
             if fp1.read() != fp2.read():