matrix-docker-ansible-deploy/roles/custom/matrix-synapse/tasks/validate_config.yml

---

- name: Fail if required Synapse settings not defined
  ansible.builtin.fail:
    msg: >-
      You need to define a required configuration setting (`{{ item.name }}`).      
  when: "item.when | bool and vars[item.name] == ''"
  with_items:
    - {'name': 'matrix_synapse_username', when: true}
    - {'name': 'matrix_synapse_uid', when: true}
    - {'name': 'matrix_synapse_gid', when: true}
    - {'name': 'matrix_synapse_container_network', when: true}
    - {'name': 'matrix_synapse_macaroon_secret_key', when: true}
    - {'name': 'matrix_synapse_database_host', when: true}
    - {'name': 'matrix_synapse_database_user', when: true}
    - {'name': 'matrix_synapse_database_password', when: true}
    - {'name': 'matrix_synapse_database_database', when: true}

    - {'name': 'matrix_synapse_container_labels_public_client_root_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_root_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_public_client_root_redirection_url', when: "{{ matrix_synapse_container_labels_public_client_root_redirection_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_public_client_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_api_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_internal_client_api_traefik_entrypoints', when: "{{ matrix_synapse_container_labels_internal_client_api_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_public_client_synapse_client_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_synapse_client_api_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_public_client_synapse_admin_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_synapse_admin_api_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_public_federation_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_federation_api_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_public_federation_api_traefik_entrypoints', when: "{{ matrix_synapse_container_labels_public_federation_api_enabled }}"}

    - {'name': 'matrix_synapse_metrics_proxying_hostname', when: "{{ matrix_synapse_metrics_proxying_enabled }}"}
    - {'name': 'matrix_synapse_metrics_proxying_path_prefix', when: "{{ matrix_synapse_metrics_proxying_enabled }}"}

- name: Fail if asking for more than 1 instance of single-instance workers
  ansible.builtin.fail:
    msg: >-
      `{{ item }}` cannot be more than 1. This is a single-instance worker.      
  when: "vars[item] | int > 1"
  with_items:
    - "matrix_synapse_workers_appservice_workers_count"
    - "matrix_synapse_workers_user_dir_workers_count"
    - "matrix_synapse_workers_background_workers_count"
    - "matrix_synapse_workers_stream_writer_typing_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_to_device_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_account_data_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_receipts_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_presence_stream_workers_count"

- name: Fail when mixing generic workers with new specialized workers
  ansible.builtin.fail:
    msg: >-
      Generic workers should not be mixed with the new specialized worker types (room workers, sync workers, client readers, and federation readers)      
  when: matrix_synapse_workers_generic_workers_count | int > 0 and ((matrix_synapse_workers_room_workers_count | int + matrix_synapse_workers_sync_workers_count | int + matrix_synapse_workers_client_reader_workers_count | int + matrix_synapse_workers_federation_reader_workers_count | int) > 0)

- name: (Deprecation) Catch and report renamed settings
  ansible.builtin.fail:
    msg: >-
      Your configuration contains a variable, which now has a different name.
      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).      
  when: "item.old in vars"
  with_items:
    - {'old': 'matrix_synapse_email_riot_base_url', 'new': '<superseded by client_base_url>'}
    - {'old': 'matrix_synapse_container_expose_api_port', 'new': '<superseded by matrix_synapse_container_federation_api_plain_host_bind_port>'}
    - {'old': 'matrix_synapse_no_tls', 'new': '<removed>'}
    - {'old': 'matrix_enable_room_list_search', 'new': 'matrix_synapse_enable_room_list_search'}
    - {'old': 'matrix_alias_creation_rules', 'new': 'matrix_synapse_alias_creation_rules'}
    - {'old': 'matrix_room_list_publication_rules', 'new': 'matrix_synapse_room_list_publication_rules'}
    - {'old': 'matrix_synapse_rc_messages_per_second', 'new': '<per_second subkey of matrix_synapse_rc_message>'}
    - {'old': 'matrix_synapse_rc_message_burst_count', 'new': '<burst_count subkey of matrix_synapse_rc_message>'}
    - {'old': 'matrix_synapse_federation_rc_window_size', 'new': '<window_size subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_sleep_limit', 'new': '<sleep_limit subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_sleep_delay', 'new': '<sleep_delay subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_reject_limit', 'new': '<reject_limit subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_concurrent', 'new': '<concurrent subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_container_expose_client_api_port', 'new': '<superseded by matrix_synapse_container_client_api_host_bind_port>'}
    - {'old': 'matrix_synapse_container_expose_federation_api_port', 'new': '<superseded by matrix_synapse_container_federation_api_plain_host_bind_port>'}
    - {'old': 'matrix_synapse_container_expose_metrics_port', 'new': '<superseded by matrix_synapse_container_metrics_api_host_bind_port>'}
    - {'old': 'matrix_synapse_cache_factor', 'new': 'matrix_synapse_caches_global_factor'}
    - {'old': 'matrix_synapse_trusted_third_party_id_servers', 'new': '<deprecated in Synapse v0.99.4 and removed in Synapse v1.19.0>'}
    - {'old': 'matrix_synapse_use_presence', 'new': 'matrix_synapse_presence_enabled'}
    - {'old': 'matrix_synapse_version_arm64', 'new': '<superseded by matrix_synapse_version - see https://github.com/matrix-org/synapse/pull/11810>'}
    - {'old': 'matrix_synapse_enable_group_creation', 'new': '<removed in Synapse v1.61.0 - use the new Spaces feature instead>'}
    - {'old': 'matrix_synapse_account_threepid_delegates_email', 'new': '<removed in Synapse v1.66.0 - make sure to configure email settings for Synapse - see https://matrix-org.github.io/synapse/v1.66/upgrade.html#delegation-of-email-validation-no-longer-supported>'}
    - {'old': 'matrix_synapse_workers_frontend_proxy_workers_count', 'new': '<removed in favor of generic workers - see https://github.com/matrix-org/synapse/pull/13645>'}
    - {'old': 'matrix_synapse_workers_frontend_proxy_workers_port_range_start', 'new': '<removed in favor of generic workers - see https://github.com/matrix-org/synapse/pull/13645>'}
    - {'old': 'matrix_synapse_workers_frontend_proxy_workers_metrics_range_start', 'new': '<removed in favor of generic workers - see https://github.com/matrix-org/synapse/pull/13645>'}
    - {'old': 'matrix_synapse_ext_s3_storage_provider_path', 'new': 'matrix_synapse_ext_s3_storage_provider_base_path'}
    - {'old': 'matrix_synapse_send_federation', 'new': '<unnecessary - Synapse relies on federation_sender_instances now>'}
    - {'old': 'matrix_synapse_start_pushers', 'new': '<unnecessary - Synapse relies on pusher_instances now>'}
    - {'old': 'matrix_synapse_spam_checker', 'new': '<superseded by matrix_synapse_modules>'}
    - {'old': 'matrix_synapse_caches_autotuning_max_cache_memory_usage', 'new': 'matrix_synapse_cache_autotuning_max_cache_memory_usage'}
    - {'old': 'matrix_synapse_caches_autotuning_target_cache_memory_usage', 'new': 'matrix_synapse_cache_autotuning_target_cache_memory_usage'}
    - {'old': 'matrix_synapse_caches_autotuning_min_cache_ttl', 'new': 'matrix_synapse_cache_autotuning_min_cache_ttl'}
    - {'old': 'matrix_synapse_memtotal_kb', 'new': '<superseded by matrix_synapse_cache_size_calculations_memtotal_bytes>'}

- name: (Deprecation) Catch and report renamed settings in matrix_synapse_configuration_extension_yaml
  ansible.builtin.fail:
    msg: >-
      Your matrix_synapse_configuration_extension_yaml configuration contains a variable, which now has a different name.
      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).      
  when: "item.old in matrix_synapse_configuration_extension"
  with_items:
    - {'old': 'federation_ip_range_blacklist', 'new': 'ip_range_blacklist'}

- when: matrix_synapse_container_image_customizations_templates_enabled | bool
  block:
    - name: Fail if required `matrix_synapse_container_image_customizations_templates_*` settings not defined
      ansible.builtin.fail:
        msg: >-
          You need to define a required configuration setting (`{{ item }}`) when enabling `matrix_synapse_container_image_customizations_templates_enabled`.          
      when: "vars[item] == ''"
      with_items:
        - matrix_synapse_container_image_customizations_templates_git_repository_url
        - matrix_synapse_container_image_customizations_templates_git_repository_branch

    - name: Fail if required `matrix_synapse_container_image_customizations_templates_git_repository_keyscan_*` settings not defined
      ansible.builtin.fail:
        msg: >-
          You need to define a required configuration setting (`{{ item }}`) when enabling `matrix_synapse_container_image_customizations_templates_git_repository_keyscan`.          
      when: "matrix_synapse_container_image_customizations_templates_git_repository_keyscan_enabled | bool and vars[item] == ''"
      with_items:
        - matrix_synapse_container_image_customizations_templates_git_repository_keyscan_hostname