setting read/write http timeouts (#113)

by default these timeouts are off, it means that clients
can hold up connections indefinitely this in turn can
potentially use up all available connections in a pool.

cmd/controller/main.go

@@ -354,8 +354,10 @@ func createUtilHttpServer(kubeClient *kubernetes.Clientset, kubeconfigProvider c
 	m.Handle("/ready", http.HandlerFunc(health.ReadyEndpoint))
 
 	return &http.Server{
-		Addr:    listenAddress,
-		Handler: m,
+		Addr:         listenAddress,
+		Handler:      m,
+		ReadTimeout:  5 * time.Second,
+		WriteTimeout: 10 * time.Second,
 	}
 }