---

- name: Gather variables for each operating system
  include_vars: "{{ item }}"
  with_first_found:
    - skip: true
      files:
        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yaml"
        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yaml"
        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yaml"
        - "{{ ansible_distribution | lower }}.yaml"
        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yaml"
        - "{{ ansible_os_family | lower }}.yaml"
  tags:
    - always

- name: Sanity check for distro selection
  fail:
    msg: >-
      This role is not known to be compatible with this distro and no packages have been provided
      for installation. Check the inventory and deployment target settings. Make sure facts are
      being gathered prior to executing this role.
  when:
    - not (docker_distro_vars_loaded | bool)
    - (docker_distro_packages | length) < 1

- name: Sanity check for distro install
  fail:
    msg: >-
      The docker distro package list contains no packages and the variable `use_upstream_docker`
      has been set to "{{ use_upstream_docker }}". To install docker at least one package will be
      required. Please check your settings.
      docker_distro_packages = {{ docker_distro_packages }}
  when:
    - (docker_distro_packages | length) < 1
    - not (use_upstream_docker | bool)

- name: Sanity check for upstream install
  fail:
    msg: >-
      The docker upstream package list contains no packages and the variable `use_upstream_docker`
      has been set to "{{ use_upstream_docker }}". To install docker at least one package will be
      required. Please check your settings.
      docker_upstream_distro_packages = {{ docker_upstream_distro_packages }}
  when:
    - (docker_upstream_distro_packages | length) < 1
    - use_upstream_docker | bool

- name: Sanity check for upstream install mirrors
  fail:
    msg: >-
      The variable `docker_mirror_base_url` is null, and upstream installation has been enabled.
      Check your settings.
  when:
    - (docker_mirror_base_url | length) < 1
    - use_upstream_docker | bool

- include_tasks: "docker-{{ (use_upstream_docker | bool) | ternary('upstream', 'distro') }}.yaml"

- name: Install docker-compose
  become: true
  package:
    name: docker-compose
    state: present
  when: docker_compose_install | bool

- name: Flush handlers before role exit
  meta: flush_handlers

- name: Validate ability to talk with docker
  command: docker ps
  changed_when: false
  args:
    warn: no

- name: Get version details
  command: docker version
  register: docker_installed_version

- name: Dump installed docker details
  debug:
    msg: '{{ docker_installed_version }}'

- name: Use buildset registry
  include_role:
    name: use-buildset-registry
  vars:
    buildset_registry_docker_user: root
  when:
    - docker_use_buildset_registry | bool