Optimize reconfiguration for ceilometer

Change-Id: I9667e087f3dede751ce80734511e53761f5e9298
Partially-implements: blueprint better-reconfigure

ansible/roles/ceilometer/defaults/main.yml

@@ -1,6 +1,60 @@
 ---
 project_name: "ceilometer"
 
+ceilometer_services:
+  ceilometer-api:
+    container_name: ceilometer_api
+    group: ceilometer-api
+    enabled: True
+    image: "{{ ceilometer_api_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/ceilometer-api/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "ceilometer:/var/lib/ceilometer/"
+      - "kolla_logs:/var/log/kolla/"
+  ceilometer-notification:
+    container_name: ceilometer_notification
+    group: ceilometer-notification
+    enabled: True
+    image: "{{ ceilometer_notification_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/ceilometer-notification/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "kolla_logs:/var/log/kolla/"
+  ceilometer-central:
+    container_name: ceilometer_central
+    group: ceilometer-central
+    enabled: True
+    image: "{{ ceilometer_central_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/ceilometer-central/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "ceilometer:/var/lib/ceilometer/"
+      - "kolla_logs:/var/log/kolla/"
+  ceilometer-collector:
+    container_name: ceilometer_collector
+    group: ceilometer-collector
+    enabled: True
+    image: "{{ ceilometer_collector_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/ceilometer-collector/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "ceilometer:/var/lib/ceilometer/"
+      - "kolla_logs:/var/log/kolla/"
+  ceilometer-compute:
+    container_name: ceilometer_compute
+    group: ceilometer-compute
+    enabled: True
+    privileged: True
+    image: "{{ ceilometer_compute_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/ceilometer-compute/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "/run/:/run/:shared"
+      - "ceilometer:/var/lib/ceilometer/"
+      - "kolla_logs:/var/log/kolla/"
+      - "nova_libvirt:/var/lib/libvirt"
+
 
 ####################
 # Database

ansible/roles/ceilometer/handlers/main.yml

@@ -0,0 +1,118 @@
+---
+- name: Restart ceilometer-api container
+  vars:
+    service_name: "ceilometer-api"
+    service: "{{ ceilometer_services[service_name] }}"
+    config_json: "{{ ceilometer_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_conf: "{{ ceilometer_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    policy_json: "{{ ceilometer_policy_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_api_container: "{{ check_ceilometer_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or ceilometer_conf.changed | bool
+      or policy_json.changed | bool
+      or wsgi_ceilometer_api.changed | bool
+      or ceilometer_api_container.changed | bool
+
+- name: Restart ceilometer-notification container
+  vars:
+    service_name: "ceilometer-notification"
+    service: "{{ ceilometer_services[service_name] }}"
+    config_json: "{{ ceilometer_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_conf: "{{ ceilometer_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    policy_json: "{{ ceilometer_policy_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_notification_container: "{{ check_ceilometer_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or ceilometer_conf.changed | bool
+      or policy_json.changed | bool
+      or ceilometer_events.changed | bool
+      or ceilometer_notification_container.changed | bool
+
+- name: Restart ceilometer-central container
+  vars:
+    service_name: "ceilometer-central"
+    service: "{{ ceilometer_services[service_name] }}"
+    config_json: "{{ ceilometer_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_conf: "{{ ceilometer_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    policy_json: "{{ ceilometer_policy_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_central_container: "{{ check_ceilometer_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or ceilometer_conf.changed | bool
+      or policy_json.changed | bool
+      or ceilometer_central_container.changed | bool
+
+- name: Restart ceilometer-collector container
+  vars:
+    service_name: "ceilometer-collector"
+    service: "{{ ceilometer_services[service_name] }}"
+    config_json: "{{ ceilometer_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_conf: "{{ ceilometer_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    policy_json: "{{ ceilometer_policy_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_collector_container: "{{ check_ceilometer_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or ceilometer_conf.changed | bool
+      or policy_json.changed | bool
+      or ceilometer_collector_container.changed | bool
+
+- name: Restart ceilometer-compute container
+  vars:
+    service_name: "ceilometer-compute"
+    service: "{{ ceilometer_services[service_name] }}"
+    config_json: "{{ ceilometer_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_conf: "{{ ceilometer_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    policy_json: "{{ ceilometer_policy_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    ceilometer_compute_container: "{{ check_ceilometer_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    privileged: "{{ service.privileged | default(False) }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or ceilometer_conf.changed | bool
+      or policy_json.changed | bool
+      or ceilometer_compute_container.changed | bool

ansible/roles/ceilometer/tasks/bootstrap_service.yml

@@ -1,5 +1,7 @@
 ---
 - name: Running Ceilometer bootstrap container
+  vars:
+    ceilometer_api: "{{ ceilometer_services['ceilometer-api'] }}"
   kolla_docker:
     action: "start_container"
     common_options: "{{ docker_common_options }}"
@@ -8,15 +10,11 @@
       KOLLA_BOOTSTRAP:
       KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
       CEILOMETER_DATABASE_TYPE: "{{ ceilometer_database_type }}"
-    image: "{{ ceilometer_api_image_full }}"
+    image: "{{ ceilometer_api.image }}"
     labels:
       BOOTSTRAP:
     name: "bootstrap_ceilometer"
     restart_policy: "never"
-    volumes:
+    volumes: "{{ ceilometer_api.volumes }}"
-      - "{{ node_config_directory }}/ceilometer-api/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "ceilometer:/var/lib/ceilometer/"
-      - "kolla_logs:/var/log/kolla/"
   run_once: True
-  delegate_to: "{{ groups['ceilometer-api'][0] }}"
+  delegate_to: "{{ groups[ceilometer_api.group][0] }}"

ansible/roles/ceilometer/tasks/config.yml

@@ -1,28 +1,33 @@
 ---
 - name: Ensuring config directories exist
   file:
-    path: "{{ node_config_directory }}/{{ item }}"
+    path: "{{ node_config_directory }}/{{ item.key }}"
     state: "directory"
     recurse: yes
-  with_items:
+  when:
-    - "ceilometer-notification"
+    - inventory_hostname in groups[item.value.group]
-    - "ceilometer-collector"
+    - item.value.enabled | bool
-    - "ceilometer-api"
+  with_dict: "{{ ceilometer_services }}"
-    - "ceilometer-central"
-    - "ceilometer-compute"
 
 - name: Copying over config.json files for services
   template:
-    src: "{{ item }}.json.j2"
+    src: "{{ item.key }}.json.j2"
-    dest: "{{ node_config_directory }}/{{ item }}/config.json"
+    dest: "{{ node_config_directory }}/{{ item.key }}/config.json"
-  with_items:
+  register: ceilometer_config_jsons
-    - "ceilometer-notification"
+  when:
-    - "ceilometer-collector"
+    - inventory_hostname in groups[item.value.group]
-    - "ceilometer-api"
+    - item.value.enabled | bool
-    - "ceilometer-central"
+  with_dict: "{{ ceilometer_services }}"
-    - "ceilometer-compute"
+  notify:
+    - Restart ceilometer-api container
+    - Restart ceilometer-notification container
+    - Restart ceilometer-central container
+    - Restart ceilometer-collector container
+    - Restart ceilometer-compute container
 
-- name: Copying over ceilometer-api.conf
+- name: Copying over wsgi-ceilometer-api.conf
+  vars:
+    service: "{{ ceilometer_services['ceilometer-api'] }}"
   template:
     src: "{{ item }}"
     dest: "{{ node_config_directory }}/ceilometer-api/wsgi-ceilometer-api.conf"
@@ -30,35 +35,54 @@
     - "{{ node_custom_config }}/ceilometer/{{ inventory_hostname }}/wsgi-ceilometer-api.conf"
     - "{{ node_custom_config }}/ceilometer/wsgi-ceilometer-api.conf"
     - "wsgi-ceilometer-api.conf.j2"
+  register: wsgi_ceilometer_api
+  when:
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+  notify:
+    - Restart ceilometer-api container
 
 - name: Copying over ceilometer.conf
   merge_configs:
     vars:
-      service_name: "{{ item }}"
+      service_name: "{{ item.key }}"
     sources:
       - "{{ role_path }}/templates/ceilometer.conf.j2"
       - "{{ node_custom_config }}/global.conf"
       - "{{ node_custom_config }}/database.conf"
       - "{{ node_custom_config }}/messaging.conf"
       - "{{ node_custom_config }}/ceilometer.conf"
-      - "{{ node_custom_config }}/ceilometer/{{ item }}.conf"
+      - "{{ node_custom_config }}/ceilometer/{{ item.key }}.conf"
       - "{{ node_custom_config }}/ceilometer/{{ inventory_hostname }}/ceilometer.conf"
-    dest: "{{ node_config_directory }}/{{ item }}/ceilometer.conf"
+    dest: "{{ node_config_directory }}/{{ item.key }}/ceilometer.conf"
-  with_items:
+  register: ceilometer_confs
-    - "ceilometer-notification"
+  when:
-    - "ceilometer-collector"
+    - item.value.enabled | bool
-    - "ceilometer-api"
+    - inventory_hostname in groups[item.value.group]
-    - "ceilometer-central"
+  with_dict: "{{ ceilometer_services }}"
-    - "ceilometer-compute"
+  notify:
+    - Restart ceilometer-api container
+    - Restart ceilometer-notification container
+    - Restart ceilometer-central container
+    - Restart ceilometer-collector container
+    - Restart ceilometer-compute container
 
 - name: Copying over event and pipeline yaml for notification service
+  vars:
+    service: "{{ ceilometer_services['ceilometer-notification'] }}"
   template:
     src: "{{ item }}.j2"
     dest: "{{ node_config_directory }}/ceilometer-notification/{{ item }}"
+  register: ceilometer_events
+  when:
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
   with_items:
     - "event_definitions.yaml"
     - "event_pipeline.yaml"
     - "pipeline.yaml"
+  notify:
+    - Restart ceilometer-notification container
 
 - name: Check if policies shall be overwritten
   local_action: stat path="{{ node_custom_config }}/ceilometer/policy.json"
@@ -67,12 +91,38 @@
 - name: Copying over existing policy.json
   template:
     src: "{{ node_custom_config }}/ceilometer/policy.json"
-    dest: "{{ node_config_directory }}/{{ item }}/policy.json"
+    dest: "{{ node_config_directory }}/{{ item.key }}/policy.json"
-  with_items:
+  register: ceilometer_policy_jsons
-    - "ceilometer-notification"
-    - "ceilometer-collector"
-    - "ceilometer-api"
-    - "ceilometer-central"
-    - "ceilometer-compute"
   when:
-    ceilometer_policy.stat.exists
+    - ceilometer_policy.stat.exists
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ ceilometer_services }}"
+  notify:
+    - Restart ceilometer-api container
+    - Restart ceilometer-notification container
+    - Restart ceilometer-central container
+    - Restart ceilometer-collector container
+    - Restart ceilometer-compute container
+
+# check whether the containers parameter is changed. If yes, trigger the handler.
+- name: Check ceilometer containers
+  kolla_docker:
+    action: "compare_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ item.value.container_name }}"
+    image: "{{ item.value.image }}"
+    privileged: "{{ item.value.privileged | default(False) }}"
+    volumes: "{{ item.value.volumes }}"
+  register: check_ceilometer_containers
+  when:
+    - action != "config"
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ ceilometer_services }}"
+  notify:
+    - Restart ceilometer-api container
+    - Restart ceilometer-notification container
+    - Restart ceilometer-central container
+    - Restart ceilometer-collector container
+    - Restart ceilometer-compute container

ansible/roles/ceilometer/tasks/deploy.yml

@@ -9,6 +9,5 @@
 - include: bootstrap.yml
   when: inventory_hostname in groups['ceilometer']
 
-- include: start.yml
+- name: Flush handlers
-  when: inventory_hostname in groups['ceilometer'] or
+  meta: flush_handlers
-        inventory_hostname in groups['compute']

ansible/roles/ceilometer/tasks/pull.yml

@@ -1,35 +1,10 @@
 ---
-- name: Pulling ceilometer-notification image
+- name: Pulling ceilometer images
   kolla_docker:
     action: "pull_image"
     common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_notification_image_full }}"
+    image: "{{ item.value.image }}"
-  when: inventory_hostname in groups['ceilometer-notification']
+  when:
-
+    - inventory_hostname in groups[item.value.group]
-- name: Pulling ceilometer-api image
+    - item.value.enabled | bool
-  kolla_docker:
+  with_dict: "{{ ceilometer_services }}"
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_api_image_full }}"
-  when: inventory_hostname in groups['ceilometer-api']
-
-- name: Pulling ceilometer-central image
-  kolla_docker:
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_central_image_full }}"
-  when: inventory_hostname in groups['ceilometer-central']
-
-- name: Pulling ceilometer-collector image
-  kolla_docker:
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_collector_image_full }}"
-  when: inventory_hostname in groups['ceilometer-collector']
-
-- name: Pulling ceilometer-compute image
-  kolla_docker:
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_compute_image_full }}"
-  when: inventory_hostname in groups['ceilometer-compute']

ansible/roles/ceilometer/tasks/reconfigure.yml

@@ -1,84 +1,2 @@
 ---
-- name: Ensuring the containers up
+- include: deploy.yml
-  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: ceilometer_api, group: ceilometer-api }
-    - { name: ceilometer_central, group: ceilometer-central }
-    - { name: ceilometer_notification, group: ceilometer-notification }
-    - { name: ceilometer_collector, group: ceilometer-collector }
-    - { name: ceilometer_compute, group: ceilometer-compute }
-
-- 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: ceilometer_api, group: ceilometer-api }
-    - { name: ceilometer_central, group: ceilometer-central }
-    - { name: ceilometer_notification, group: ceilometer-notification }
-    - { name: ceilometer_collector, group: ceilometer-collector }
-    - { name: ceilometer_compute, group: ceilometer-compute }
-
-# 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: ceilometer_api, group: ceilometer-api }
-    - { name: ceilometer_central, group: ceilometer-central }
-    - { name: ceilometer_notification, group: ceilometer-notification }
-    - { name: ceilometer_collector, group: ceilometer-collector }
-    - { name: ceilometer_compute, group: ceilometer-compute }
-
-- name: Remove the containers
-  kolla_docker:
-    name: "{{ item[0]['name'] }}"
-    action: "remove_container"
-  register: remove_containers
-  when:
-    - inventory_hostname in groups[item[0]['group']]
-    - config_strategy == "COPY_ONCE" or item[1]['KOLLA_CONFIG_STRATEGY'] == 'COPY_ONCE'
-    - item[2]['rc'] == 1
-  with_together:
-    - [{ name: ceilometer_api, group: ceilometer-api },
-       { name: ceilometer_central, group: ceilometer-central },
-       { name: ceilometer_notification, group: ceilometer-notification },
-       { name: ceilometer_collector, group: ceilometer-collector },
-       { name: ceilometer_compute, group: ceilometer-compute }]
-    - "{{ 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:
-    - inventory_hostname in groups[item[0]['group']]
-    - config_strategy == 'COPY_ALWAYS'
-    - item[1]['KOLLA_CONFIG_STRATEGY'] != 'COPY_ONCE'
-    - item[2]['rc'] == 1
-  with_together:
-    - [{ name: ceilometer_api, group: ceilometer-api },
-       { name: ceilometer_central, group: ceilometer-central },
-       { name: ceilometer_notification, group: ceilometer-notification },
-       { name: ceilometer_collector, group: ceilometer-collector },
-       { name: ceilometer_compute, group: ceilometer-compute }]
-    - "{{ container_envs.results }}"
-    - "{{ check_results.results }}"

ansible/roles/ceilometer/tasks/start.yml

@@ -1,67 +0,0 @@
----
-- name: Starting ceilometer-notification container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_notification_image_full }}"
-    name: "ceilometer_notification"
-    volumes:
-      - "{{ node_config_directory }}/ceilometer-notification/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['ceilometer-notification']
-
-- name: Starting ceilometer-api container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_api_image_full }}"
-    name: "ceilometer_api"
-    volumes:
-      - "{{ node_config_directory }}/ceilometer-api/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "ceilometer:/var/lib/ceilometer/"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['ceilometer-api']
-
-- name: Starting ceilometer-central container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_central_image_full }}"
-    name: "ceilometer_central"
-    volumes:
-      - "{{ node_config_directory }}/ceilometer-central/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "ceilometer:/var/lib/ceilometer/"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['ceilometer-central']
-
-- name: Starting ceilometer-collector container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_collector_image_full }}"
-    name: "ceilometer_collector"
-    volumes:
-      - "{{ node_config_directory }}/ceilometer-collector/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "ceilometer:/var/lib/ceilometer/"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['ceilometer-collector']
-
-- name: Starting ceilometer-compute container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ ceilometer_compute_image_full }}"
-    name: "ceilometer_compute"
-    privileged: True
-    volumes:
-      - "{{ node_config_directory }}/ceilometer-compute/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "/run/:/run/:shared"
-      - "ceilometer:/var/lib/ceilometer/"
-      - "kolla_logs:/var/log/kolla/"
-      - "nova_libvirt:/var/lib/libvirt"
-  when: inventory_hostname in groups['ceilometer-compute']

ansible/roles/ceilometer/tasks/upgrade.yml

@@ -3,4 +3,5 @@
 
 - include: bootstrap_service.yml
 
-- include: start.yml
+- name: Flush handlers
+  meta: flush_handlers