Restores the service proxier when unidling is disabled

The unidling code change had inadvertently removed the proxier when
idling was disabled.  This change restores the default proxier
(userspace or iptables depending on the config).

Bug 1370435

Author: knobunc

pkg/cmd/server/kubernetes/node.go

@@ -452,11 +452,12 @@ func (c *NodeConfig) RunProxy() {
 			}
 		}
 		endpointsHandler = hybridProxier
-
-		iptInterface.AddReloadFunc(hybridProxier.Sync)
-		serviceConfig.RegisterHandler(hybridProxier)
+		proxier = hybridProxier
 	}
 
+	iptInterface.AddReloadFunc(proxier.Sync)
+	serviceConfig.RegisterHandler(proxier)
+
 	endpointsConfig := pconfig.NewEndpointsConfig()
 	// customized handling registration that inserts a filter if needed
 	if c.FilteringEndpointsHandler != nil {

test/extended/idling/idling.go

@@ -432,6 +432,7 @@ var _ = g.Describe("idling and unidling", func() {
 			for i := 0; i < connectionsToStart; i++ {
 				connWG.Add(1)
 				go func(ind int) {
+					defer g.GinkgoRecover()
 					defer connWG.Done()
 					err = tryEchoUDP(svc)
 					errors[ind] = err