path: root/roles/docker/tasks/logging.yml

- name: Read Docker config
  block:
    - name: Read daemon.json
      become: true
      ansible.builtin.slurp:
        src: /etc/docker/daemon.json
      register: docker_config

    - name: Parse daemon.json
      ansible.builtin.set_fact:
        docker_config: '{{ docker_config.content | b64decode | from_json }}'
  rescue:
    - name: daemon.json is missing
      ansible.builtin.set_fact:
        docker_config: {}

- name: Modify Docker config
  become: true
  ansible.builtin.copy:
    dest: /etc/docker/daemon.json
    content: '{{ docker_config | combine({"log-driver": docker_logging_driver}) | to_nice_json }}'
    owner: root
    group: root
    mode: '644'
  register: daemon_json

- name: Restart Docker
  become: true
  ansible.builtin.systemd_service:
    name: docker
    state: restarted
  when: daemon_json.changed