ansible-role-k3s/tasks/build/install-docker-prerequisites-redhat.yml

---

- name: Ensure python-dnf is installed
  package:
    name: "{{ 'python-dnf' if ansible_python_version is version_compare('3.0.0', '<') else 'python3-dnf' }}"
    state: present
  register: ensure_python_dnf_installed
  become: "{{ k3s_become_for_package_install | ternary(true, false, k3s_become_for_all) }}"
  until: ensure_python_dnf_installed is succeeded
  retries: 3
  delay: 10
  when: ansible_pkg_mgr == 'dnf'

- 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
  become: "{{ k3s_become_for_package_install | ternary(true, false, k3s_become_for_all) }}"

- name: Check to see if Docker repository is available for this distribution
  uri:
    url: "https://download.docker.com/linux/{{ ansible_distribution | lower }}/{{ ansible_distribution_major_version }}"
  register: k3s_redhat_repo_check
  failed_when: false
  changed_when: false

- 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
  when: ansible_distribution | lower not in ['amazon']
        and k3s_redhat_repo_check.status == 200
  become: "{{ k3s_become_for_package_install | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure Docker repository is installed and configured from file
  command: yum-config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
  args:
    creates: /etc/yum.repos.d/docker-ce.repo
  when: ansible_distribution | lower not in ['amazon']
        and k3s_redhat_repo_check.status != 200
  become: "{{ k3s_become_for_package_install | ternary(true, false, k3s_become_for_all) }}"