main.yml

---

- name: Add GPG key for Docker repository (Ubuntu).
  apt_key:
    state: present
    id: "{{ docker_gpg_key['Ubuntu']['id'] }}"
    url: "{{ docker_gpg_key['Ubuntu']['url'] }}"
  when: ansible_distribution == "Ubuntu"

- name: Add Docker repository (Ubuntu).
  apt_repository:
    repo: deb {{ docker_repo_url['Ubuntu'] }} {{ ansible_lsb.codename }} stable
  when: ansible_distribution == "Ubuntu"

- name: Add Docker repository (CentOS).
  yum_repository:
    name: docker-ce
    description: Docker CE
    state: present
    baseurl: "{{ docker_repo_url['CentOS'] }}"
    gpgkey: "{{ docker_gpg_key['CentOS']['url'] }}"
    gpgcheck: true
  when: ansible_distribution == "CentOS"

- name: Install Docker (Ubuntu).
  package:
    name:
      - docker-ce=5:19.03.*
      - docker-ce-cli=5:19.03.*
      - containerd.io=1.3.*
      - python3-docker    # Needed for Ansible's Docker modules.
    state: present
  when: ansible_distribution == "Ubuntu"

- name: Install Docker (CentOS).
  package:
    name:
      - docker-ce-19.03.*
      - docker-ce-cli-19.03.*
      - containerd.io-1.3.*
      - python-docker-py    # Needed for Ansible's Docker modules.
    state: present
  when: ansible_distribution == "CentOS"

- name: Install python3-docker (CentOS).
  vars:
    ansible_python_interpreter: python3
  pip:
    name:
      - docker>=2.1.0,<3.0
    state: present
  when: ansible_distribution == "CentOS"

- name: Enable and start Docker service.
  service:
    name: docker
    enabled: true
    state: started