---
# Deploy Docker Compose services from the repo's services/ directory.
# Expects docker_services list in host_vars and compose files in services/<name>/.

- name: Ensure service directories exist
  ansible.builtin.file:
    path: "/opt/docker/{{ item }}"
    state: directory
    mode: '0755'
  loop: "{{ docker_services | default([]) }}"

- name: Template service .env files
  ansible.builtin.template:
    src: "{{ docker_services_dir | default(playbook_dir + '/services') }}/{{ item }}/.env.j2"
    dest: "/opt/docker/{{ item }}/.env"
    mode: '0600'
  loop: "{{ docker_services | default([]) }}"
  when: lookup('ansible.builtin.fileglob', (docker_services_dir | default(playbook_dir + '/services')) + '/' + item + '/.env.j2') | length > 0
  no_log: true
  failed_when: false
  register: docker_services_env_files

- name: Copy docker-compose files
  ansible.builtin.template:
    src: "{{ docker_services_dir | default(playbook_dir + '/services') }}/{{ item }}/docker-compose.yml"
    dest: "/opt/docker/{{ item }}/docker-compose.yml"
    mode: '0644'
  loop: "{{ docker_services | default([]) }}"
  register: docker_services_compose_files
  failed_when: false

- name: Copy service config files
  ansible.posix.synchronize:
    src: "{{ docker_services_dir | default(playbook_dir + '/services') }}/{{ item }}/"
    dest: "/opt/docker/{{ item }}/"
    rsync_opts:
      - "--exclude=docker-compose.yml"
      - "--exclude=README.md"
      - "--exclude=.gitkeep"
      - "--exclude=*.j2"
  loop: "{{ docker_services | default([]) }}"
  failed_when: false

- name: Template service .env files
  ansible.builtin.template:
    src: "{{ playbook_dir }}/services/{{ item }}/.env.j2"
    dest: "/opt/docker/{{ item }}/.env"
    mode: '0600'
  loop: "{{ docker_services | default([]) }}"
  when: lookup('ansible.builtin.fileglob', playbook_dir + '/services/' + item + '/.env.j2') | length > 0
  no_log: true
  failed_when: false

- name: Start/update docker compose services
  community.docker.docker_compose_v2:
    project_src: "/opt/docker/{{ item.item }}"
    state: present
    pull: policy
  loop: "{{ docker_services_compose_files.results | default([]) }}"
  when: >
    (item is not failed and item is changed) or
    (docker_services_env_files.results | default([]) |
     selectattr('item', 'equalto', item.item) |
     selectattr('changed', 'equalto', true) | list | length > 0)
  failed_when: false