roles/docker/tasks/logging.yml


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

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

- name: Modify Docker config
  become: true
  block:
    - name: Create /etc/docker
      ansible.builtin.file:
        path: /etc/docker
        state: directory
        owner: root
        group: root
        mode: '755'

    - name: Write daemon.json
      ansible.builtin.copy:
        dest: /etc/docker/daemon.json
        content: '{{ docker_current_config | combine({"log-driver": docker_logging_driver}) | to_nice_json }}'
        owner: root
        group: root
        mode: '644'
      notify: docker_configured

- name: Restart Docker service if necessary
  ansible.builtin.meta: flush_handlers