Added debug to apparent stop channel called early.

Added more debugging.

Author: cheftako

cmd/agent/app/server.go

@@ -98,7 +98,10 @@ func (a *Agent) Run(o *options.GrpcProxyAgentOptions, drainCh, stopCh <-chan str
 	}
 	defer a.adminServer.Close()
 
-	<-stopCh
+	fmt.Println("Blocking on stopCh")
+	stop := <-stopCh
+	fmt.Printf("Received stopCh signal: %v\n", stop)
+
 	klog.V(1).Infoln("Shutting down agent.")
 
 	return nil
@@ -121,9 +124,11 @@ func SetupSignalHandler() (drainCh, stopCh <-chan struct{}) {
 
 func handleSignals(signalCh chan os.Signal, drainCh, stopCh chan struct{}) {
 	s := <-signalCh
+	fmt.Println("Received first os signal")
 	klog.V(2).InfoS("Received first signal", "signal", s)
 	close(drainCh)
 	s = <-signalCh
+	fmt.Println("Received second os signal")
 	klog.V(2).InfoS("Received second signal", "signal", s)
 	close(stopCh)
 }

tests/framework/proxy_server.go

@@ -76,6 +76,7 @@ func (*InProcessProxyServerRunner) Start(t testing.TB, opts ProxyServerOpts) (Pr
 	if err := wait.PollImmediateWithContext(ctx, 100*time.Millisecond, wait.ForeverTestTimeout, func(context.Context) (bool, error) {
 		return checkLiveness(healthAddr), nil
 	}); err != nil {
+		fmt.Println("Calling stop channel because server never came up")
 		close(stopCh)
 		return nil, fmt.Errorf("server never came up: %v", err)
 	}