- name: Remove undesired packages
  apt:
    name:
      - containerd
      - docker
      - docker-engine
      - docker.io
      - runc
      - snapd
    state: absent
    autoremove: yes
    purge: yes

- name: Install prereqs for custom apt repository over https
  apt:
    update_cache: yes
    name:
      - apt-transport-https
      - ca-certificates
      - curl
      - gnupg-agent
      - software-properties-common
    state: present

- name: Add Docker repo key
  apt_key:
    url: https://download.docker.com/linux/ubuntu/gpg
    id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
    state: present

- name: Determine Ubuntu distribution name
  command: lsb_release -cs
  register: releasename

- name: Add Docker apt repository
  apt_repository:
    repo: deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ releasename.stdout }} stable
    state: present

# Pinning versions due to odd DNS issue in 20.x
- name: Pin Docker engine to specific version
  copy:
    dest: "{{ item.dest }}"
    content: "{{ item.content }}"
  with_items:
    - dest: /etc/apt/preferences.d/docker-ce
      content: |
        Package: docker-ce
        Pin: version 5:19.03.13~3-0~ubuntu-focal
        Pin-Priority: 1001
    - dest: /etc/apt/preferences.d/docker-ce-cli
      content: |
        Package: docker-ce-cli
        Pin: version 5:19.03.13~3-0~ubuntu-focal
        Pin-Priority: 1001

- name: Install Docker engine
  apt:
    update_cache: yes
    allow_unauthenticated: yes
    name:
    # - docker-ce=5:19.03.13~3-0~ubuntu-focal
    # - docker-ce-cli=5:19.03.13~3-0~ubuntu-focal
      - docker-ce
      - docker-ce-cli
      - containerd.io

- name: Install Docker Compose
  get_url:
    url: https://github.com/docker/compose/releases/download/1.27.4/docker-compose-Linux-x86_64
    dest: /usr/local/bin/docker-compose
    mode: '0755'

- name: Add Docker Compose to path
  command: ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
  args:
    creates: /usr/bin/docker-compose