docker/tasks/main.yml

- name: Include OS-specific variables.
  include_vars: "{{ ansible_os_family }}.yml"

- name: Add CentOS repository
  block:
  
  - name: Add Docker repository.
    get_url:
      url: "https://download.docker.com/linux/centos/docker-ce.repo"
      dest: '/etc/yum.repos.d/docker-ce.repo'
      owner: root
      group: root
      mode: 0644
  when: ansible_os_family == "RedHat"
  become: true

- name: Install Docker.
  package:
    name: "{{  docker_package }}"
    state: present
  notify: restart docker
  become: true

- name: Ensure Docker is started and enabled at boot.
  service:
    name: docker
    state: "{{ docker_service_state }}"
    enabled: "{{ docker_service_enabled }}"
  become: true

- include_tasks: docker-users.yml
  when: docker_users | length > 0