Add check for zero-length server addresses

2022-08-24 13:30:52 -04:00 · 2022-08-24 13:30:52 -04:00 · 5f2959329f
parent 81e965479b
commit 5f2959329f
1 changed files with 4 additions and 1 deletions
--- a/agent/grpc-external/services/peerstream/subscription_manager.go
+++ b/agent/grpc-external/services/peerstream/subscription_manager.go
@ -833,7 +833,10 @@ func (m *subscriptionManager) subscribeServerAddrs(
 			serverAddrs = append(serverAddrs, grpcAddr)
 		}

-		// TODO(peering): handle empty addresses here?
+		if len(serverAddrs) == 0 {
+			m.logger.Warn("did not find any server addresses with external gRPC ports to publish")
+			continue
+		}

 		updateCh <- cache.UpdateEvent{
 			CorrelationID: subServerAddrs,