Support using SSL on worker endpoints. (#14128)

* Fix missing SSL support in worker endpoints.

* Add changelog

* SSL for Replication endpoint

* Remove unit test change

* Refactor listener creation to reduce duplicated code

* Fix the logger message

* Update synapse/app/_base.py

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

* Update synapse/app/_base.py

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

* Update synapse/app/_base.py

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

* Add config documentation for new TLS option

Co-authored-by: Tuomas Ojamies <tojamies@palantir.com>
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
Co-authored-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/synapse/config/workers.py b/synapse/config/workers.py

index 0fb725dd8f..88b3168cbc 100644
--- a/synapse/config/workers.py
+++ b/synapse/config/workers.py
@@ -67,6 +67,7 @@ class InstanceLocationConfig:
 
     host: str
     port: int
+    tls: bool = False
 
 
 @attr.s
@@ -149,6 +150,12 @@ class WorkerConfig(Config):
         # The port on the main synapse for HTTP replication endpoint
         self.worker_replication_http_port = config.get("worker_replication_http_port")
 
+        # The tls mode on the main synapse for HTTP replication endpoint.
+        # For backward compatibility this defaults to False.
+        self.worker_replication_http_tls = config.get(
+            "worker_replication_http_tls", False
+        )
+
         # The shared secret used for authentication when connecting to the main synapse.
         self.worker_replication_secret = config.get("worker_replication_secret", None)