---
- name: Get uid/guid of the Docker user
  become: true
  getent:
    database: passwd
    key: docker
    split: ":"

- name: Prepare docker user information dictionary
  set_fact:
    docker_user_info:
      {
        "docker_user_uid": "{{ getent_passwd['docker'][1] }}",
        "docker_user_gid": "{{ getent_passwd['docker'][2] }}",
      }

- name: Store docker user uid/guid in config.vars dictionary
  set_fact:
    config: "{{ config | update_vars(docker_user_info) }}"