---

- name: "Install dependencies"
  ansible.builtin.apt:
    pkg:
      - docker.io

- name: "Create directories for Watchtower"
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    owner: root
    group: root
    mode: '0750'
    recurse: true
  with_items:
    - "{{ docker_volumes_dir }}/watchtower"

- name: "Template .env files for Watchtower"
  ansible.builtin.template:
    src: "{{ item }}.j2"
    dest: "{{ docker_volumes_dir }}/watchtower/{{ item }}"
    force: true
    owner: root
    group: root
    mode: '0660'
  with_items:
    - watchtower.env
  notify: restart-watchtower-docker

- name: "Template systemd unit files for Watchtower"
  ansible.builtin.template:
    src: "{{ item }}.j2"
    dest: "/etc/systemd/system/{{ item }}"
    force: true
    owner: root
    group: root
    mode: '0644'
  with_items:
    - watchtower.service
  register: unit
  notify: restart-watchtower-docker
    
- name: "Reload systemd units"
  ansible.builtin.systemd:
    daemon_reload: yes
  when: unit.changed

- name: "Enable systemd units for Watchtower"
  ansible.builtin.systemd:
    state: started
    enabled: true
    name: "{{ item }}"
  with_items:
    - watchtower.service