---

- name: Ensure Docker prerequisites are installed
  yum:
    name:
      - yum-utils
      - device-mapper-persistent-data
      - lvm2
    state: present
  register: ensure_docker_prerequisites_installed
  until: ensure_docker_prerequisites_installed is succeeded
  retries: 3
  delay: 10

- name: Ensure Docker repository is installed and configured
  yum_repository:
    name: docker-ce
    description: Docker CE Repository
    baseurl: https://download.docker.com/linux/{{ ansible_distribution | lower }}/{{ ansible_distribution_major_version }}/$basearch/stable
    gpgkey: https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg
    enabled: true
    gpgcheck: true
    state: present