homelab/roles/docker/handlers/main.yml

- name: Reload systemd manager configuration
  ansible.builtin.systemd:
    daemon_reload: true
  listen: compose_systemd

- name: Find which services had a docker-compose.yml updated
  ansible.builtin.set_fact:
    compose_restart_list: "{{ (compose_restart_list | default([])) + [item.item.name] }}"
  loop: "{{ compose_update.results }}"
  loop_control:
    label: "{{ item.item.name }}"
  when: item.changed
  listen: compose_restart

- name: Find which services had their .env updated
  ansible.builtin.set_fact:
    compose_restart_list: "{{ (compose_restart_list | default([])) + [item.item.name] }}"
  loop: "{{ compose_env_update.results }}"
  loop_control:
    label: "{{ item.item.name }}"
  when: item.changed
  listen: compose_restart

- name: Restart MariaDB
  ansible.builtin.service:
    name: mariadb
    state: restarted
  when: not mariadb_restarted
  listen: restart_mariadb # hijack handler for early restart

- name: Set MariaDB as restarted
  ansible.builtin.set_fact:
    mariadb_restarted: true
  when: not mariadb_restarted
  listen: restart_mariadb

- name: Restart compose services
  ansible.builtin.systemd:
    state: restarted
    name: "{{ docker_compose_service }}@{{ item }}"
  loop: "{{ compose_restart_list | default([]) | unique }}"
  when: compose_restart_list is defined
  listen: compose_restart

- name: Start compose services and enable on boot
  ansible.builtin.service:
    name: "{{ docker_compose_service }}@{{ item.name }}"
    state: started
    enabled: true
  loop: "{{ docker_compose_deploy }}"
  loop_control:
    label: "{{ docker_compose_service }}@{{ item.name }}"
  when: item.enabled is defined and item.enabled is true
  listen: compose_enable