kolla-ansible/ansible/roles/ceilometer/tasks/config.yml

---
- name: Ensuring config directories exist
  file:
    path: "{{ node_config_directory }}/{{ item.key }}"
    state: "directory"
    recurse: yes
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ ceilometer_services }}"

- name: Copying over config.json files for services
  template:
    src: "{{ item.key }}.json.j2"
    dest: "{{ node_config_directory }}/{{ item.key }}/config.json"
  register: ceilometer_config_jsons
  when:
    - 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

- 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"
  with_first_found:
    - "{{ 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.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.key }}.conf"
      - "{{ node_custom_config }}/ceilometer/{{ inventory_hostname }}/ceilometer.conf"
    dest: "{{ node_config_directory }}/{{ item.key }}/ceilometer.conf"
  register: ceilometer_confs
  when:
    - item.value.enabled | bool
    - inventory_hostname in groups[item.value.group]
  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

- 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"
  register: ceilometer_policy

- name: Copying over existing policy.json
  template:
    src: "{{ node_custom_config }}/ceilometer/policy.json"
    dest: "{{ node_config_directory }}/{{ item.key }}/policy.json"
  register: ceilometer_policy_jsons
  when:
    - 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