Avoid goroutine leak in server

server/server.go

@@ -248,7 +248,9 @@ func (s *Server) Start() {
 		s.listenConfigurations(stop)
 	})
 	s.startProvider()
-	go s.listenSignals()
+	s.routinesPool.Go(func(stop chan bool) {
+		s.listenSignals(stop)
+	})
 }
 
 // StartWithContext starts the server and Stop/Close it when context is Done

server/server_configuration.go

@@ -447,10 +447,12 @@ func (s *Server) throttleProviderConfigReload(throttle time.Duration, publish ch
 			case <-stop:
 				return
 			case nextConfig := <-ring.Out():
-				publish <- nextConfig.(types.ConfigMessage)
+				if config, ok := nextConfig.(types.ConfigMessage); ok {
+					publish <- config
 					time.Sleep(throttle)
 				}
 			}
+		}
 	})
 
 	for {

server/server_signals.go

@@ -13,9 +13,12 @@ func (s *Server) configureSignals() {
 	signal.Notify(s.signals, syscall.SIGUSR1)
 }
 
-func (s *Server) listenSignals() {
+func (s *Server) listenSignals(stop chan bool) {
 	for {
-		sig := <-s.signals
+		select {
+		case <-stop:
+			return
+		case sig := <-s.signals:
 			switch sig {
 			case syscall.SIGUSR1:
 				log.Infof("Closing and re-opening log files for rotation: %+v", sig)
@@ -32,3 +35,4 @@ func (s *Server) listenSignals() {
 			}
 		}
 	}
+}

server/server_signals_windows.go

@@ -4,4 +4,4 @@ package server
 
 func (s *Server) configureSignals() {}
 
-func (s *Server) listenSignals() {}
+func (s *Server) listenSignals(stop chan bool) {}