install_docker/tasks/install_compose.yml

---
# task/install_compose file for install_docker
- name: "Get release for compose:{{ install_docker_compose_version }}"
  vars:
    _docker_compose_url_ext: "{% if install_docker_compose_version == 'latest'%}releases{% else %}releases/tags{% endif %}"
  ansible.builtin.uri:
    url: "{{ install_docker_compose_github_api }}/{{ _docker_compose_url_ext }}/{{ install_docker_compose_version }}"
    return_content: true
  register: _docker_compose_new_release

- name: "Check current compose version"
  ansible.builtin.command: "{{ install_docker_compose_path }} --version --short"
  register: _docker_compose_old_release
  check_mode: false
  changed_when: false
  failed_when: false

- name: "Set facts for wanted compose release"
  ansible.builtin.set_fact:
    install_docker_compose_wanted_version: "{{ _docker_compose_new_release.json['tag_name']|regex_replace('v', '') }}"
  when: _docker_compose_new_release.json is defined
    and (_docker_compose_new_release.json | length > 0)

- name: "Set facts for current compose release"
  ansible.builtin.set_fact:
    install_docker_compose_current_version: "{{ _docker_compose_old_release.stdout | regex_replace('v', '') }}"
  when: _docker_compose_old_release.stdout is defined
    and (_docker_compose_old_release.stdout | length > 0)

- name: "Remove old compose binary if different"
  ansible.builtin.file:
    path: "{{ install_docker_compose_path }}"
    state: absent
  register: _docker_compose_binary_removed
  when: install_docker_compose_current_version is defined
    and install_docker_compose_wanted_version not in install_docker_compose_current_version

- name: "Download and install compose:{{ install_docker_compose_version }}"
  ansible.builtin.get_url:
    url: "{{ install_docker_compose_github_url }}/releases/download/v{{ install_docker_compose_wanted_version }}/docker-compose-linux-{{ ansible_architecture  }}"
    dest: "{{ install_docker_compose_path }}"
    owner: root
    group: root
    mode: '0755'
  when: (install_docker_compose_current_version is not defined)
    or (_docker_compose_binary_removed.changed)