---
# 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
  yum:
    name: "{{ docker_prereq_packages }}"
    state: present
  notify: cleanup docker

- name: Install epel repo which is missing on rhel-7 and is needed for pigz (needed for docker-ce 18)
  include_role:
    name: setup_epel

- name: Enable extras repository for RHEL on AWS
  # RHEL 7.6 uses REGION-rhel-server-extras and RHEL 7.7+ use rhel-7-server-rhui-extras-rpms
  command: yum-config-manager --enable REGION-rhel-server-extras rhel-7-server-rhui-extras-rpms
  args:
    warn: no

# Docker broke their .repo file, so we set it up ourselves
- name: Set-up repository
  yum_repository:
    name: docker-ce
    description: docker-ce
    baseurl: https://download.docker.com/linux/centos/{{ ansible_facts.distribution_major_version }}/$basearch/stable
    gpgcheck: true
    gpgkey: https://download.docker.com/linux/centos/gpg

- name: Update cache
  command: yum -y makecache fast
  args:
    warn: no

- name: Install docker
  yum:
    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 in ['docker', 'container', 'containerd'] }}"