- name: Ensure packages are installed
  apt:
    name: 
      - python3-pip
      - python3-setuptools
      - apt-transport-https
      - ca-certificates
      - curl
      - gnupg-agent 
      - software-properties-common 
    state: present

- name: Trust dockers GPG key
  apt_key:
    url: https://download.docker.com/linux/debian/gpg
    state: present

- name: Ensure docker repository is available
  apt_repository:
    repo: deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable
    state: present
  notify: Update apt cache

- name: Flush handlers
  meta: flush_handlers

- name: Ensure packages are installed
  apt:
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-compose-plugin
    state: present

- name: Configure docker daemon
  template:
    src: templates/daemon.json
    dest: /etc/docker/daemon.json
    owner: root
    group: root
    mode: 0644

- name: Install docker python module
  pip:
    executable: pip3
    name:
      - docker

- name: Join swarm as manager
  docker_swarm:
    state: join
    join_token:  "{{ docker_swarm_join_token_manager }}"
    remote_addrs: ["{{ docker_swarm_address }}"]
  when: docker_swarm_manager

- name: Join swarm as worker
  docker_swarm:
    state: join
    join_token: "{{ docker_swarm_join_token_worker }}" 
    remote_addrs: ["{{ docker_swarm_address }}"]
  when: not docker_swarm_manager