matrix-bridge-signal/tasks/main.yml

---

- name: Setup postgres
  include_role:
    name: postgre
  vars:
    postgres_users:
      - name: bridge_signal_user
        password: "{{ matrix_bridge_signal_postgre_user_pwd }}"
    databases:
      - name: bridge_signal
        owner: bridge_signal_user
        local: C
        template: template0
  no_log: true

- name: Install the pgp key for the signald repo.
  copy:
    src: signald-keyring.gpg
    dest: /etc/apt/trusted.gpg.d/signald-keyring.gpg
    mode: 0644

- name: Add signald repo to source list
  ansible.builtin.apt_repository:
    repo: "deb https://updates.signald.org unstable main"
    state: present

- name: Install dependencies
  apt:
    name:
      - signald
      - python3
      - python3-virtualenv
      - python3-pip
      - libolm-dev      # for encryption
      - python3-dev     #
      - build-essential #
    state: latest
    update_cache: true
  register: apt_result
  retries: 3
  until: apt_result is succeeded

- name: Enable the signald daemon
  systemd:
    name: signald
    state: started
    enabled: yes

- name: Create the mautrix-signal user
  user:
    name: mautrix-signal
    home: /opt/mautrix-signal
    groups:
      - signald
    password_lock: yes
    system: yes

- name: Install bridge
  become: yes
  become_user: mautrix-signal
  pip:
    name: mautrix-signal[all]
    virtualenv: /opt/mautrix-signal
    virtualenv_command: virtualenv
    virtualenv_python: /usr/bin/python3

- name: Check if the bridge is already configured
  stat:
    path: /opt/mautrix-signal/config.yaml
  register: register_config

- name: Set read token variable
  block:
    - name: read config file
      slurp:
        src: /opt/mautrix-signal/config.yaml
      register: encoded_config
    - name: decode config file
      set_fact:
        signal_config: "{{ encoded_config.content | b64decode | from_yaml }}"
    - name: extract tokens
      set_fact:
        matrix_bridge_signal_as_token: "{{ signal_config.appservice.as_token }}"
        matrix_bridge_signal_hs_token: "{{ signal_config.appservice.hs_token }}"
  when: register_config.stat.exists

- name: Configure the bridge
  template:
    src: config.yaml
    dest: /opt/mautrix-signal/config.yaml
    owner: mautrix-signal
    group: nogroup
    mode: '0600'
  notify:  Restart the signal bridge
  no_log: true

- name: Generate signal-registration.yaml
  become: yes
  become_user: mautrix-signal
  shell:
    cmd: "/opt/mautrix-signal/bin/python -m mautrix_signal -g"
    chdir: /opt/mautrix-signal
    creates: /opt/mautrix-signal/registration.yaml
  notify: Restart synapse
  no_log: true

- name: Ensure the registration directory exists
  file:
    path: /etc/matrix-synapse/registrations
    state: directory
    group: root
    owner: root
    mode: u=rwx,g=rx,o=rx

- name: Copy registration for synapse
  file:
    src: /opt/mautrix-signal/registration.yaml
    dest: /etc/matrix-synapse/registrations/signal-registration.yaml
    state: link

- name: Ensure the log directory exists
  file:
    path: /var/log/bridge_signal
    state: directory
    group: nogroup
    owner: mautrix-signal
    mode: u=rwx,g=rx,o=

- name: Copy the daemon configuration
  template:
    src: bridge_signal.service
    dest: /etc/systemd/system/bridge_signal.service
  notify: Restart the signal bridge

- name: Enable the daemon
  systemd:
    name: bridge_signal
    state: started
    enabled: yes