kolla-ansible/ansible/roles/mariadb/handlers/main.yml

---
- name: Starting first MariaDB container
  vars:
    service_name: "mariadb"
    service: "{{ mariadb_services[service_name] }}"
  become: true
  kolla_docker:
    action: "start_container"
    common_options: "{{ docker_common_options }}"
    environment:
      KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
      BOOTSTRAP_ARGS: "--wsrep-new-cluster"
    image: "{{ service.image }}"
    labels:
      BOOTSTRAP:
    name: "{{ service.container_name }}"
    restart_policy: "never"
    volumes: "{{ service.volumes }}"
    dimensions: "{{ service.dimensions }}"
  when:
    - bootstrap_host is defined
    - bootstrap_host == inventory_hostname
  notify:
    - wait first mariadb container
    - restart slave mariadb
    - restart master mariadb


# TODO(jeffrey4l), remove the task check when the wait_for bug is fixed
# https://github.com/ansible/ansible-modules-core/issues/2788
- name: wait first mariadb container
  wait_for:
    host: "{{ api_interface_address }}"
    port: "{{ mariadb_port }}"
    connect_timeout: 1
    timeout: 60
    search_regex: "MariaDB"
  register: check_mariadb_port
  until: check_mariadb_port is success
  retries: 10
  delay: 6
  when:
    - bootstrap_host is defined
    - bootstrap_host == inventory_hostname

- name: restart slave mariadb
  vars:
    service_name: "mariadb"
    service: "{{ mariadb_services[service_name] }}"
    mariadb_container: "{{ check_mariadb_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
  become: true
  kolla_docker:
    action: "recreate_or_restart_container"
    common_options: "{{ docker_common_options }}"
    name: "{{ service.container_name }}"
    image: "{{ service.image }}"
    volumes: "{{ service.volumes }}"
    dimensions: "{{ service.dimensions }}"
  when:
    - kolla_action != "config"
    - inventory_hostname != master_host
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
    - mariadb_config_json.changed | bool
      or mariadb_galera_conf.changed | bool
      or mariadb_wsrep_notify.changed | bool
      or mariadb_container.changed | bool
      or bootstrap_host is defined
  notify:
    - wait for slave mariadb

# TODO(jeffrey4l), remove the task check when the wait_for bug is fixed
# https://github.com/ansible/ansible-modules-core/issues/2788
- name: wait for slave mariadb
  wait_for:
    host: "{{ api_interface_address }}"
    port: "{{ mariadb_port }}"
    connect_timeout: 1
    timeout: 60
    search_regex: "MariaDB"
  register: check_mariadb_port
  until: check_mariadb_port is success
  retries: 10
  delay: 6
  when:
    - kolla_action != "config"
    - inventory_hostname != master_host

- name: restart master mariadb
  vars:
    service_name: "mariadb"
    service: "{{ mariadb_services[service_name] }}"
    mariadb_container: "{{ check_mariadb_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
  become: true
  kolla_docker:
    action: "recreate_or_restart_container"
    common_options: "{{ docker_common_options }}"
    name: "{{ service.container_name }}"
    image: "{{ service.image }}"
    volumes: "{{ service.volumes }}"
    dimensions: "{{ service.dimensions }}"
  when:
    - kolla_action != "config"
    - inventory_hostname == master_host
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
    - mariadb_config_json.changed | bool
      or mariadb_galera_conf.changed | bool
      or mariadb_wsrep_notify.changed | bool
      or mariadb_container.changed | bool
      or bootstrap_host is defined
  notify:
    - Waiting for master mariadb

# TODO(jeffrey4l), remove the task check when the wait_for bug is fixed
# https://github.com/ansible/ansible-modules-core/issues/2788
- name: Waiting for master mariadb
  wait_for:
    host: "{{ api_interface_address }}"
    port: "{{ mariadb_port }}"
    connect_timeout: 1
    timeout: 60
    search_regex: "MariaDB"
  register: check_mariadb_port
  until: check_mariadb_port is success
  retries: 10
  delay: 6
  when:
    - kolla_action != "config"
    - inventory_hostname == master_host