ansible-collection-famedly-matrix/roles/synapse/tasks/configure_workers.yml

---

# Client API config (multiple instances)
- name: Collect client API worker config
  set_fact:
    worker_client_info: "{{ worker_client_info|default([]) + [ worker_config ] }}"
  vars:
    name: "worker_client_{{ item }}"
    app: "synapse.app.generic_worker"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    port: "{{ (matrix_synapse_worker_listener_base_port|int + item|int)|int }}"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      port: "{{ port }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports:
        - "{{ matrix_synapse_worker_listener_bind_base_ip }}:{{ port }}:{{ port }}"
      listeners:
        - type: http
          port: {{ port }}
          resources:
            - names: [ client ]      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  loop: "{{ range(1, matrix_synapse_workers_client + 1) | list }}"

# Federation API (inbound) config (multiple instances, federation listener)
- name: Collect federation API worker config (inbound)
  set_fact:
    worker_fed_in_info: "{{ worker_fed_in_info|default([]) + [ worker_config ] }}"
  vars:
    name: "worker_fed_in_{{ item }}"
    app: "synapse.app.generic_worker"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    port: "{{ matrix_synapse_worker_listener_base_port|int + 100 + item|int }}"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      port: "{{ port }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports:
        - "{{ matrix_synapse_worker_listener_bind_base_ip }}:{{ port }}:{{ port }}"
      listeners:
        - type: http
          port: {{ port|int }}
          resources:
            - names: [ federation ]      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  loop: "{{ range(1, matrix_synapse_workers_federation_in + 1) | list }}"

# Federation sender config (multiple instances)
- name: Collect federation sender worker config (outbound)
  set_fact:
    worker_fed_out_info: "{{ worker_fed_out_info|default([]) + [ worker_config ] }}"
  vars:
    name: "worker_fed_out_{{ item }}"
    app: "synapse.app.federation_sender"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports: []
      listeners: []      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  loop: "{{ range(1, matrix_synapse_workers_federation_out + 1) | list }}"

# Media workers config (multiple instances)
- name: Collect media worker config
  set_fact:
    worker_media_info: "{{ worker_media_info|default([]) + [ worker_config ] }}"
  vars:
    name: "worker_media_{{ item }}"
    app: "synapse.app.media_repository"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    port: "{{ matrix_synapse_worker_listener_base_port|int + 200 + item|int }}"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      port: "{{ port }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports:
        - "{{ matrix_synapse_worker_listener_bind_base_ip }}:{{ port }}:{{ port }}"
      listeners:
        - type: http
          port: {{ port|int }}
          resources:
            - names: [ media ]      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  loop: "{{ range(1, matrix_synapse_workers_media + 1) | list }}"

# Pusher worker config (single instance)
- name: Collect pusher worker config
  set_fact:
    worker_pusher_info: "{{ [ worker_config ] }}"
  vars:
    name: "worker_pusher"
    app: "synapse.app.pusher"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports: []
      listeners: []      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  when: matrix_synapse_worker_push

# Appservice worker config (single instance)
- name: Collect appservice worker config
  set_fact:
    worker_appservice_info: "{{ [ worker_config ] }}"
  vars:
    name: "worker_appservice"
    app: "synapse.app.appservice"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports: []
      listeners: []      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  when: matrix_synapse_worker_appservice

# Userdirectory worker config (single instance)
- name: Collect user directory worker config
  set_fact:
    worker_user_dir_info: "{{ [ worker_config ] }}"
  vars:
    name: "worker_user_dir"
    app: "synapse.app.user_dir"
    config_file: "{{ matrix_synapse_base_path }}/{{ name }}.yaml"
    port: "{{ matrix_synapse_worker_listener_base_port|int + 300 }}"
    worker_labels:
      labels: "{{ matrix_synapse_worker_labels_base }}"
    worker: |
      name: "{{ name }}"
      app: "{{ app }}"
      port: "{{ port }}"
      config_file: "{{ config_file }}"
      service_name: "matrix-{{ name }}.service"
      container_name: "{{ matrix_synapse_container_name }}_{{ name }}"
      container_command: "-m {{ app }} -c {{ matrix_synapse_base_path }}/homeserver.yaml -c {{ config_file }}"
      extra_volumes:
        - "{{ config_file }}:{{ config_file }}:z"
      ports:
        - "{{ matrix_synapse_worker_listener_bind_base_ip }}:{{ port }}:{{ port }}"
      listeners:
        - type: http
          port: {{ port }}
          resources:
            - names: [ client ]      
    worker_config: "{{ worker | from_yaml | combine( worker_labels ) }}"
  when: matrix_synapse_worker_user_search

- name: Collect worker configuration
  set_fact:
    matrix_synapse_workers: "{{ worker_client_info|default([]) + worker_fed_in_info|default([]) + worker_fed_out_info|default([]) + worker_media_info|default([]) + worker_pusher_info|default([]) + worker_appservice_info|default([]) + worker_user_dir_info|default([]) }}"

- name: Write worker configuration files
  copy:
    content: |
      worker_app: {{ item.app }}
      worker_name: {{ item.name }}
      worker_replication_host: {{ matrix_synapse_worker_replication_host }}
      worker_replication_http_port: {{ matrix_synapse_worker_replication_port }}
      {% if item.listeners|length > 0 or matrix_synapse_worker_metrics_enabled %}
      worker_listeners:
      {{ (item.listeners + (matrix_synapse_worker_metrics_listener if matrix_synapse_worker_metrics_enabled else [])) | to_nice_yaml }}
      {% endif %}      
    dest: "{{ item.config_file }}"
    owner: synapse
    group: synapse
    mode: 0640
  loop: "{{ matrix_synapse_workers }}"