---
- name: Install Docker Compose on x86_64 system
  block:
    - name: Check current docker-compose version
      command: docker-compose --version
      register: docker_compose_current_version
      changed_when: false
      failed_when: false
    - name: Detect the latest docker_compose version
      uri:
        url: https://api.github.com/repos/docker/compose/releases/latest
      register: docker_compose_latest_release_tag
    - name: Determine whether or not the latest version of docker_compose is already installed
      set_fact:
        install_update_compose: "{{ docker_compose_current_version.stdout is not defined \
          or (docker_compose_current_version.stdout is defined and \
          (docker_compose_latest_release_tag.json.tag_name | replace('v','')) not in docker_compose_current_version.stdout) }}"
    - name: Remove older docker-compose version
      file:
        path: '{{ docker_compose_path }}'
        state: absent
      when: install_update_compose
    - name: Fetch CHECKSUMS file of docker_compose installer
      uri:
        url: https://github.com/docker/compose/releases/download/{{ docker_compose_latest_release_tag.json.tag_name }}/docker-compose-Linux-x86_64.sha256
        return_content: true
      register: docker_compose_checksum_file
      when: install_update_compose
    - name: Find the Checksum of docker_compose installer
      set_fact:
        docker_compose_checksum: "{{ docker_compose_checksum_file.content | regex_search('.*docker-compose-linux-x86_64') | \
          regex_replace('  docker-compose-linux-x86_64','') }}"
      when: install_update_compose
    - name: Install Docker Compose (if configured)
      become: true
      get_url:
        url: https://github.com/docker/compose/releases/download/{{ docker_compose_latest_release_tag.json.tag_name }}/docker-compose-Linux-x86_64
        dest: '{{ docker_compose_path }}'
        checksum: 'sha256:{{ docker_compose_checksum }}'
        mode: 0755
      when: install_update_compose
  when: ansible_architecture == 'x86_64'

- name: Install Docker Compose on non-x86_64 system
  package:
    name: docker-compose
    state: present
  when: ansible_architecture != 'x86_64'