matrix-docker-ansible-deploy/roles/custom/matrix-coturn/tasks/setup_install.yml

# SPDX-FileCopyrightText: 2024 MDAD Team and contributors
#
# SPDX-License-Identifier: AGPL-3.0-or-later

---

- when: matrix_coturn_turn_external_ip_address_auto_detection_enabled | bool
  block:
    - name: Fail if enabled, but EchoIP service URL unset
      when: matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_url == ''
      ansible.builtin.fail:
        msg: "To use the external IP address auto-detection feature, you need to set matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_url"

    # Note:
    # `ansible.builtin.uri` does not provide a way to configure whether IPv4 or IPv6 is used.
    # Luckily, the default instance we use does not define AAAA records for now, so it's always IPv4.
    - name: Fetch IP address information from EchoIP service
      ansible.builtin.uri:
        url: "{{ matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_url }}"
        headers:
          Content-Type: application/json
        follow_redirects: none
        validate_certs: "{{ matrix_coturn_turn_external_ip_address_auto_detection_echoip_validate_certs }}"
      register: result_matrix_coturn_turn_external_ip_address_auto_detection_echoip_response
      ignore_errors: true
      check_mode: false
      retries: "{{ matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_retries_count }}"
      delay: "{{ matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_retries_delay }}"
      until: not result_matrix_coturn_turn_external_ip_address_auto_detection_echoip_response.failed

    - name: Fail if EchoIP service failed
      when: "(result_matrix_coturn_turn_external_ip_address_auto_detection_echoip_response.failed or 'json' not in result_matrix_coturn_turn_external_ip_address_auto_detection_echoip_response)"
      ansible.builtin.fail:
        msg: "Failed contacting EchoIP service API at `{{ matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_url }}` (controlled by `matrix_coturn_turn_external_ip_address_auto_detection_echoip_service_url`). Full error: {{ result_matrix_coturn_turn_external_ip_address_auto_detection_echoip_response }}"

    - ansible.builtin.set_fact:
        matrix_coturn_turn_external_ip_address: "{{ result_matrix_coturn_turn_external_ip_address_auto_detection_echoip_response.json.ip }}"

- name: Ensure Matrix Coturn path exists
  ansible.builtin.file:
    path: "{{ item.path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"
  with_items:
    - {path: "{{ matrix_coturn_docker_src_files_path }}", when: "{{ matrix_coturn_container_image_self_build }}"}
  when: "item.when | bool"

- name: Ensure Coturn image is pulled
  community.docker.docker_image:
    name: "{{ matrix_coturn_docker_image }}"
    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
    force_source: "{{ matrix_coturn_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_coturn_docker_image_force_pull }}"
  when: "not matrix_coturn_container_image_self_build | bool"
  register: result
  retries: "{{ devture_playbook_help_container_retries_count }}"
  delay: "{{ devture_playbook_help_container_retries_delay }}"
  until: result is not failed

- when: "matrix_coturn_container_image_self_build | bool"
  block:
    - name: Ensure Coturn repository is present on self-build
      ansible.builtin.git:
        repo: "{{ matrix_coturn_container_image_self_build_repo }}"
        dest: "{{ matrix_coturn_docker_src_files_path }}"
        version: "{{ matrix_coturn_container_image_self_build_repo_version }}"
        force: "yes"
      become: true
      become_user: "{{ matrix_user_username }}"
      register: matrix_coturn_git_pull_results

    - name: Ensure Coturn Docker image is built
      community.docker.docker_image:
        name: "{{ matrix_coturn_docker_image }}"
        source: build
        force_source: "{{ matrix_coturn_git_pull_results.changed if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
        force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_coturn_git_pull_results.changed }}"
        build:
          dockerfile: "{{ matrix_coturn_container_image_self_build_repo_dockerfile_path }}"
          path: "{{ matrix_coturn_docker_src_files_path }}"
          pull: true

- name: Ensure Coturn configuration path exists
  ansible.builtin.file:
    path: "{{ matrix_coturn_base_path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure turnserver.conf installed
  ansible.builtin.template:
    src: "{{ role_path }}/templates/turnserver.conf.j2"
    dest: "{{ matrix_coturn_config_path }}"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure Coturn network is created in Docker
  when: matrix_coturn_container_network not in ['', 'host']
  community.docker.docker_network:
    name: "{{ matrix_coturn_container_network }}"
    driver: bridge
    driver_options: "{{ devture_systemd_docker_base_container_networks_driver_options }}"

- name: Ensure matrix-coturn.service installed
  ansible.builtin.template:
    src: "{{ role_path }}/templates/systemd/matrix-coturn.service.j2"
    dest: "{{ devture_systemd_docker_base_systemd_path }}/matrix-coturn.service"
    mode: 0644

# This may be unnecessary when more long-lived certificates are used.
# We optimize for the common use-case though (short-lived Let's Encrypt certificates).
# Reloading doesn't hurt anyway, so there's no need to make this more flexible.
- name: Ensure reloading systemd units installed, if necessary
  ansible.builtin.template:
    src: "{{ role_path }}/templates/systemd/{{ item }}.j2"
    dest: "{{ devture_systemd_docker_base_systemd_path }}/{{ item }}"
    mode: 0644
  when: "matrix_coturn_tls_enabled | bool"
  with_items:
    - matrix-coturn-reload.service
    - matrix-coturn-reload.timer

# A similar task exists in `setup_uninstall.yml`
- name: Ensure reloading systemd units uninstalled, if unnecessary
  ansible.builtin.file:
    path: "{{ item }}"
    state: absent
  when: "not matrix_coturn_tls_enabled | bool"
  with_items:
    - matrix-coturn-reload.service
    - matrix-coturn-reload.timer