---
# Copyright (c) Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

####################################################################
# WARNING: These are designed specifically for Ansible tests       #
# and should not be used as examples of how to write Ansible roles #
####################################################################

- name: Setup Docker
  when: ansible_facts.distribution ~ ansible_facts.distribution_major_version not in  ['CentOS6', 'RedHat6']
  block:
    - name: Print information
      ansible.builtin.debug:
        msg: |-
          OS family: {{ ansible_facts.os_family }}
          Distribution: {{ ansible_facts.distribution }}
          Distribution major version: {{ ansible_facts.distribution_major_version }}
          Distribution full version: {{ ansible_facts.distribution_version }}

    - name: Set facts for Docker features to defaults
      ansible.builtin.set_fact:
        docker_has_compose: true
        docker_compose_version: "0.0"

    - name: Include distribution specific variables
      ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
      vars:
        params:
          files:
            - "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_major_version }}.yml"
            - "{{ ansible_facts.os_family }}-{{ ansible_facts.distribution_major_version }}.yml"
            - "{{ ansible_facts.distribution }}.yml"
            - "{{ ansible_facts.os_family }}.yml"
            - default.yml
          paths:
            - "{{ role_path }}/vars"

    - name: Include distribution specific tasks
      ansible.builtin.include_tasks: "{{ lookup('first_found', params) }}"
      vars:
        params:
          files:
            - "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_major_version }}.yml"
            - "{{ ansible_facts.os_family }}-{{ ansible_facts.distribution_major_version }}.yml"
            - "{{ ansible_facts.distribution }}.yml"
            - "{{ ansible_facts.os_family }}.yml"
          paths:
            - "{{ role_path }}/tasks"

    - name: Obtain Docker Compose version
      when: docker_has_compose
      block:
        - name: Obtain docker info
          ansible.builtin.command:
            cmd: docker info --format '{% raw %}{{ json .ClientInfo.Plugins }}{% endraw %}'
          register: docker_cli_plugins_stdout
        - ansible.builtin.set_fact:
            docker_has_compose: >-
              {{ docker_cli_plugins_stdout.stdout | from_json | selectattr('Name', 'eq', 'compose') | map(attribute='Version') | length > 0 }}
            docker_compose_version: >-
              {{ docker_cli_plugins_stdout.stdout | from_json | selectattr('Name', 'eq', 'compose') | map(attribute='Version') | first | default('0.0') | regex_replace('^v', '') }}

    - ansible.builtin.debug:
        msg: "Has Docker compoes plugin: {{ docker_has_compose }}; Docker compose plugin version: {{ docker_compose_version }}"