Allow ReplicationRestResource to be added to workers (#7515)

This allows workers to talk to each other over HTTP replication.

1 files changed, 8 insertions, 5 deletions

diff --git a/synapse/replication/http/__init__.py b/synapse/replication/http/__init__.py

index 4613b2538c..a909744e93 100644
--- a/synapse/replication/http/__init__.py
+++ b/synapse/replication/http/__init__.py
@@ -34,9 +34,12 @@ class ReplicationRestResource(JsonResource):
 
     def register_servlets(self, hs):
         send_event.register_servlets(hs, self)
-        membership.register_servlets(hs, self)
         federation.register_servlets(hs, self)
-        login.register_servlets(hs, self)
-        register.register_servlets(hs, self)
-        devices.register_servlets(hs, self)
-        streams.register_servlets(hs, self)
+
+        # The following can't currently be instantiated on workers.
+        if hs.config.worker.worker_app is None:
+            membership.register_servlets(hs, self)
+            login.register_servlets(hs, self)
+            register.register_servlets(hs, self)
+            devices.register_servlets(hs, self)
+            streams.register_servlets(hs, self)