---
- name: restart docker
  command: /bin/true
  notify:
    - Docker | reload systemd
    - Docker | reload docker
    - Docker | pause while Docker restarts
    - Docker | wait for docker
  listen: "restart docker service"

- name: restart docker-distribution
  command: /bin/true
  notify:
    - Docker | reload systemd
    - Docker | reload docker-distribution
    - Docker | wait for registry
  listen: "restart docker-distribution service"

- name: Docker | reload systemd
  systemd:
    daemon_reload: yes
  when: ansible_service_mgr == 'systemd'

- name: Docker | reload docker
  service:
    name: docker
    state: restarted

- name: Docker | pause while Docker restarts
  pause:
    seconds: 10
    prompt: "Waiting for docker restart"

- name: Docker | wait for docker
  command: /usr/bin/docker images
  register: docker_ready
  retries: 10
  delay: 5
  until: docker_ready.rc == 0

- name: Docker | reload docker-distribution
  service:
    name: docker-distribution
    state: restarted

# NOTE(bogdando): import caveates https://github.com/ansible/ansible/issues/42621
- name: Docker | wait for registry
  uri:
    # Just checking API version should be fine
    # https://docs.docker.com/registry/spec/api/#api-version-check
    url: "http://{{ container_registry_host }}:{{ container_registry_port }}/v2/"
    return_content: yes
  register: registry_status
  retries: 10
  delay: 5
  until: "registry_status.status|int == 200 and 'OK' in registry_status.msg"