Add experimental configuration option to allow disabling legacy Prometheus metric names. (#13540)

Co-authored-by: David Robertson <davidr@element.io>

1 files changed, 5 insertions, 1 deletions

diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py

index 30e21d9707..5e3825fca6 100644
--- a/synapse/app/generic_worker.py
+++ b/synapse/app/generic_worker.py
@@ -412,7 +412,11 @@ class GenericWorkerServer(HomeServer):
                         "enable_metrics is not True!"
                     )
                 else:
-                    _base.listen_metrics(listener.bind_addresses, listener.port)
+                    _base.listen_metrics(
+                        listener.bind_addresses,
+                        listener.port,
+                        enable_legacy_metric_names=self.config.metrics.enable_legacy_metrics,
+                    )
             else:
                 logger.warning("Unsupported listener type: %s", listener.type)