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synapse/docs/application_services.md
Rhea Danzey 7801fd74da
Fix missing field in AS documentation (#14845)
* Fix missing field in AS documentation

The [AS Configuration Snippet](https://matrix-org.github.io/synapse/latest/application_services.html) is missing `id` field, without it Synapse will fail to load:

```
synapse-synapse-main-0 synapse 2023-01-13 23:05:25,450 - synapse.storage.databases - 84 - INFO - main - [database config 'master']: Starting 'main' database
synapse-synapse-main-0 synapse 2023-01-13 23:05:25,452 - synapse.config.appservice - 79 - ERROR - main - Failed to load appservice from '/as/synapse-hookshot-as/registration.yaml'
synapse-synapse-main-0 synapse 2023-01-13 23:05:25,452 - synapse.config.appservice - 80 - ERROR - main - "Required string field: 'id' (/as/synapse-hookshot-as/registration.yaml)"
synapse-synapse-main-0 synapse Traceback (most recent call last):
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/config/appservice.py", line 57, in load_appservices
synapse-synapse-main-0 synapse     appservice = _load_appservice(hostname, yaml.safe_load(f), config_file)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/config/appservice.py", line 91, in _load_appservice
synapse-synapse-main-0 synapse     raise KeyError(
synapse-synapse-main-0 synapse KeyError: "Required string field: 'id' (/as/synapse-hookshot-as/registration.yaml)"
synapse-synapse-main-0 synapse 2023-01-13 23:05:25,452 - synapse.app._base - 207 - ERROR - main - Exception during startup
synapse-synapse-main-0 synapse Traceback (most recent call last):
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/app/homeserver.py", line 340, in setup
synapse-synapse-main-0 synapse     hs.setup()
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/server.py", line 310, in setup
synapse-synapse-main-0 synapse     self.datastores = Databases(self.DATASTORE_CLASS, self)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/__init__.py", line 93, in __init__
synapse-synapse-main-0 synapse     main = main_store_class(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/__init__.py", line 139, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/events_bg_updates.py", line 98, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/devices.py", line 1584, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/devices.py", line 89, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/roommember.py", line 1494, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/room.py", line 1827, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/room.py", line 1365, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/room.py", line 119, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/registration.py", line 2158, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/presence.py", line 67, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/presence.py", line 48, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/transactions.py", line 73, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/state.py", line 666, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/state.py", line 82, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/state.py", line 470, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/event_federation.py", line 2007, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/media_repository.py", line 148, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/media_repository.py", line 68, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/push_rule.py", line 330, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/event_push_actions.py", line 1938, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/metrics.py", line 68, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/event_push_actions.py", line 249, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/end_to_end_keys.py", line 1181, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/search.py", line 426, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/search.py", line 137, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/account_data.py", line 64, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/push_rule.py", line 114, in __init__
synapse-synapse-main-0 synapse     super().__init__(database, db_conn, hs)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/storage/databases/main/appservice.py", line 76, in __init__
synapse-synapse-main-0 synapse     self.services_cache = load_appservices(
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/config/appservice.py", line 57, in load_appservices
synapse-synapse-main-0 synapse     appservice = _load_appservice(hostname, yaml.safe_load(f), config_file)
synapse-synapse-main-0 synapse   File "/usr/local/lib/python3.9/site-packages/synapse/config/appservice.py", line 91, in _load_appservice
synapse-synapse-main-0 synapse     raise KeyError(
synapse-synapse-main-0 synapse KeyError: "Required string field: 'id' (/as/synapse-hookshot-as/registration.yaml)"
synapse-synapse-main-0 synapse ******************************************************************************
synapse-synapse-main-0 synapse  Error during initialisation:
synapse-synapse-main-0 synapse     "Required string field: 'id' (/as/synapse-hookshot-as/registration.yaml)"
synapse-synapse-main-0 synapse  There may be more information in the logs.
synapse-synapse-main-0 synapse ******************************************************************************
```

* Changelog
2023-01-16 12:59:15 +00:00

1.2 KiB

Registering an Application Service

The registration of new application services depends on the homeserver used. In synapse, you need to create a new configuration file for your AS and add it to the list specified under the app_service_config_files config option in your synapse config.

For example:

app_service_config_files:
- /home/matrix/.synapse/<your-AS>.yaml

The format of the AS configuration file is as follows:

id: <your-AS-id>
url: <base url of AS>
as_token: <token AS will add to requests to HS>
hs_token: <token HS will add to requests to AS>
sender_localpart: <localpart of AS user>
namespaces:
  users:  # List of users we're interested in
    - exclusive: <bool>
      regex: <regex>
      group_id: <group>
    - ...
  aliases: []  # List of aliases we're interested in
  rooms: [] # List of room ids we're interested in

exclusive: If enabled, only this application service is allowed to register users in its namespace(s). group_id: All users of this application service are dynamically joined to this group. This is useful for e.g user organisation or flairs.

See the spec for further details on how application services work.