---
- name: Setup Docker on host
  hosts: docker_hosts
  vars:
    user_name: "{{ create_user | default(ansible_user) }}"
    docker_config_path: >-
      {% if ansible_facts.os_family == 'Darwin' -%}
        ~/.docker/daemon.json
      {%- else -%}
        /etc/docker/daemon.json
      {%- endif %}
    ansible_python_interpreter: python3

  roles:
    - docker_install

  tasks:

    - name: Add to Docker group
      user:
        name: "{{ user_name }}"
        groups: docker
        append: true
      become: true

    - name: Use journald logging driver  # noqa 207
      json_merge:
        path: "{{ docker_config_path }}"
        allow_create: true
        format_indent: true
        update_json: {
          "log-driver": "journald",
          "log-opts": {
            "tag": "{{ '{{ .Name }}/{{ .ImageName }}/{{ .ID }}' }}",
            "labels": "com.docker.compose.project,com.docker.compose.service"
          }
        }
      become: true
      notify: Restart Docker daemon

  handlers:
    - name: Restart Docker daemon
      service:
        name: docker
        state: restarted
      become: true
      when: ansible_facts['os_family'] != "Darwin"