Add the `batch_send` endpoint to generic workers (#12868)

changelog.d/12868.misc

+Enable the `batch_send` endpoint on synapse worker processes. Contributed by Nick @ Beeper.

docker/configure_workers_and_start.py

@@ -158,6 +158,7 @@ WORKERS_CONFIG: Dict[str, Dict[str, Any]] = {
             "^/_matrix/client/(api/v1|r0|v3|unstable)/rooms/.*/(join|invite|leave|ban|unban|kick)$",
             "^/_matrix/client/(api/v1|r0|v3|unstable)/join/",
             "^/_matrix/client/(api/v1|r0|v3|unstable)/profile/",
+            "^/_matrix/client/(v1|unstable/org.matrix.msc2716)/rooms/.*/batch_send",
         ],
         "shared_extra_conf": {},
         "worker_extra_conf": "",

docs/workers.md

@@ -206,6 +206,7 @@ information.
     ^/_matrix/client/(api/v1|r0|v3|unstable)/rooms/.*/members$
     ^/_matrix/client/(api/v1|r0|v3|unstable)/rooms/.*/state$
     ^/_matrix/client/(v1|unstable/org.matrix.msc2946)/rooms/.*/hierarchy$
+    ^/_matrix/client/(v1|unstable/org.matrix.msc2716)/rooms/.*/batch_send$
     ^/_matrix/client/unstable/im.nheko.summary/rooms/.*/summary$
     ^/_matrix/client/(r0|v3|unstable)/account/3pid$
     ^/_matrix/client/(r0|v3|unstable)/account/whoami$

synapse/app/generic_worker.py

@@ -78,6 +78,7 @@ from synapse.rest.client import (
     read_marker,
     receipts,
     room,
+    room_batch,
     room_keys,
     sendtodevice,
     sync,
@@ -309,6 +310,7 @@ class GenericWorkerServer(HomeServer):
                     room.register_servlets(self, resource, is_worker=True)
                     room.register_deprecated_servlets(self, resource)
                     initial_sync.register_servlets(self, resource)
+                    room_batch.register_servlets(self, resource)
                     room_keys.register_servlets(self, resource)
                     tags.register_servlets(self, resource)
                     account_data.register_servlets(self, resource)