ansible-automations/roles/docker/tasks/check_version.yml

# ===================================================================================================
#  ?                                           ABOUT
#  @author         :  Noah Knegt
#  @email          :  personal@noahknegt.com
#  @repo           :  https://git.noahknegt.com/noah.knegt/ansible-automations
#  @createdOn      :  31-03-2023
#  @description    :  This will check if docker is installed as the latest version.
# ===================================================================================================

---
- name: Check docker version
  shell: docker --version
  register: docker_version

- name: Install jq
  become: true
  package:
    name: jq
    state: present

- name: Fetch versions from github
  shell: curl -s https://api.github.com/repos/docker/cli/tags
  register: docker_versions

- name: Check if latest version is stable
  shell: "{{ docker_versions }} | jq -r '.[{{ item }}].name' | grep -E -o '[0-9]+\\.[0-9]+\\.[0-9]+\\-?'"
  register: docker_latest_version
  until: docker_latest_version.stdout is not search('-')

- name: Compare versions
  set_fact:
    docker_update: true
  when: docker_version.stdout is not defined or docker_version.stdout != docker_latest_version_stable.stdout