From a97a9f9dd555025bd39a2e9fa933e9e1487e9ee2 Mon Sep 17 00:00:00 2001
From: FengyunPan <fengyun.pan@easystack.cn>
Date: Thu, 8 Jun 2017 19:55:23 +0800
Subject: [PATCH] Display <none> for clusterIP and port when service is
 ExternalName

---
 pkg/printers/internalversion/printers.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkg/printers/internalversion/printers.go b/pkg/printers/internalversion/printers.go
index 9eb1b85d64d..3f76036153c 100644
--- a/pkg/printers/internalversion/printers.go
+++ b/pkg/printers/internalversion/printers.go
@@ -745,7 +745,14 @@ func printService(svc *api.Service, w io.Writer, options printers.PrintOptions)
 	namespace := svc.Namespace
 	svcType := svc.Spec.Type
 	internalIP := svc.Spec.ClusterIP
+	if len(internalIP) == 0 {
+		internalIP = "<none>"
+	}
 	externalIP := getServiceExternalIP(svc, options.Wide)
+	svcPorts := makePortString(svc.Spec.Ports)
+	if len(svcPorts) == 0 {
+		svcPorts = "<none>"
+	}
 
 	if options.WithNamespace {
 		if _, err := fmt.Fprintf(w, "%s\t", namespace); err != nil {
@@ -757,7 +764,7 @@ func printService(svc *api.Service, w io.Writer, options printers.PrintOptions)
 		string(svcType),
 		internalIP,
 		externalIP,
-		makePortString(svc.Spec.Ports),
+		svcPorts,
 		translateTimestamp(svc.CreationTimestamp),
 	); err != nil {
 		return err