Load `/directory/room/{roomAlias}` endpoint on workers (#15333)

* Enable `directory`

* move to worker store

* newsfile

* disable `ClientDirectoryListServer` and `ClientAppserviceDirectoryListServer` for workers

changelog.d/15333.feature

@@ -0,0 +1 @@
+Allow loading `/directory/room/{roomAlias}` endpoint on workers.

docker/configure_workers_and_start.py

@@ -173,6 +173,7 @@ WORKERS_CONFIG: Dict[str, Dict[str, Any]] = {
             "^/_matrix/client/(api/v1|r0|v3|unstable)/search",
             "^/_matrix/client/(r0|v3|unstable)/user/.*/filter(/|$)",
             "^/_matrix/client/(r0|v3|unstable)/password_policy$",
+            "^/_matrix/client/(api/v1|r0|v3|unstable)/directory/room/.*$",
         ],
         "shared_extra_conf": {},
         "worker_extra_conf": "",

docs/workers.md

@@ -234,6 +234,7 @@ information.
     ^/_matrix/client/(api/v1|r0|v3|unstable/.*)/rooms/.*/aliases
     ^/_matrix/client/(api/v1|r0|v3|unstable)/search$
     ^/_matrix/client/(r0|v3|unstable)/user/.*/filter(/|$)
+    ^/_matrix/client/(api/v1|r0|v3|unstable)/directory/room/.*$
 
     # Encryption requests
     ^/_matrix/client/(r0|v3|unstable)/keys/query$

synapse/rest/__init__.py

@@ -100,8 +100,7 @@ class ClientRestResource(JsonResource):
         login.register_servlets(hs, client_resource)
         profile.register_servlets(hs, client_resource)
         presence.register_servlets(hs, client_resource)
-        if is_main_process:
-            directory.register_servlets(hs, client_resource)
+        directory.register_servlets(hs, client_resource)
         voip.register_servlets(hs, client_resource)
         if is_main_process:
             pusher.register_servlets(hs, client_resource)

synapse/rest/client/directory.py

@@ -39,12 +39,14 @@ logger = logging.getLogger(__name__)
 
 def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
     ClientDirectoryServer(hs).register(http_server)
-    ClientDirectoryListServer(hs).register(http_server)
-    ClientAppserviceDirectoryListServer(hs).register(http_server)
+    if hs.config.worker.worker_app is None:
+        ClientDirectoryListServer(hs).register(http_server)
+        ClientAppserviceDirectoryListServer(hs).register(http_server)
 
 
 class ClientDirectoryServer(RestServlet):
     PATTERNS = client_patterns("/directory/room/(?P<room_alias>[^/]*)$", v1=True)
+    CATEGORY = "Client API requests"
 
     def __init__(self, hs: "HomeServer"):
         super().__init__()

synapse/storage/databases/main/directory.py

@@ -129,8 +129,6 @@ class DirectoryWorkerStore(CacheInvalidationWorkerStore):
                 409, "Room alias %s already exists" % room_alias.to_string()
             )
 
-
-class DirectoryStore(DirectoryWorkerStore):
     async def delete_room_alias(self, room_alias: RoomAlias) -> Optional[str]:
         room_id = await self.db_pool.runInteraction(
             "delete_room_alias", self._delete_room_alias_txn, room_alias
@@ -201,3 +199,7 @@ class DirectoryStore(DirectoryWorkerStore):
         await self.db_pool.runInteraction(
             "_update_aliases_for_room_txn", _update_aliases_for_room_txn
         )
+
+
+class DirectoryStore(DirectoryWorkerStore):
+    pass