ansible/test/integration/targets/incidental_setup_docker/tasks/RedHat-8.yml

# The RHEL extras repository must be enabled to provide the container-selinux package.
# See: https://docs.docker.com/engine/installation/linux/docker-ee/rhel/#install-using-the-repository

- name: Install Docker pre-reqs
  dnf:
    name: "{{ docker_prereq_packages }}"
    state: present
  notify: cleanup docker
  register: result
  until: result is success
  retries: 10
  delay: 2

- name: Set-up repository
  command: dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
  args:
    warn: no

- name: Install docker
  dnf:
    name: "{{ docker_packages }}"
    state: present
  notify: cleanup docker

- name: Make sure the docker daemon is running (failure expected inside docker container)
  service:
    name: docker
    state: started
  ignore_errors: "{{ ansible_virtualization_type == 'docker' }}"