---
- name: Add Docker apt key.
  ansible.builtin.get_url:
    url: "{{ docker_apt_gpg_key }}"
    dest: /etc/apt/trusted.gpg.d/docker.asc
    mode: '0644'
    force: false
    checksum: "{{ docker_apt_gpg_key_checksum | default(omit) }}"
  ignore_errors: true

- name: Add Docker repository.
  apt_repository:
    repo: "{{ docker_apt_repository }}"
    state: present
    filename: "{{ docker_apt_filename }}"
    update_cache: true

- name: Install Docker packages.
  package:
    name: "{{ docker_packages }}"
    state: "present"

- name: Install Docker Module for Python
  pip:
    name:
      - PyYAML==5.3.1
      - docker
      - docker-compose
      - pymysql
      - passlib
    state: "present"

- name: Ensure docker users are added to the docker group.
  user:
    name: "{{ item }}"
    groups: docker
    append: true
  with_items: "{{ docker_users }}"

- name: Reset ssh connection to apply user changes.
  meta: reset_connection

- name: Setup cron job for backup
  cron:
    name: Docker Prune
    minute: 0
    hour: 5
    job: "docker system prune -af && docker image prune -af && docker system prune -af --volumes"