Move NewAgnhostPod() to e2e/network

because the function is called in e2e/network tests only.

test/e2e/framework/util.go

@@ -155,9 +155,6 @@ var (
 	// BusyBoxImage is the image URI of BusyBox.
 	BusyBoxImage = imageutils.GetE2EImage(imageutils.BusyBox)
 
-	// AgnHostImage is the image URI of AgnHost
-	AgnHostImage = imageutils.GetE2EImage(imageutils.Agnhost)
-
 	// ProvidersWithSSH are those providers where each node is accessible with SSH
 	ProvidersWithSSH = []string{"gce", "gke", "aws", "local"}
 
@@ -1583,25 +1580,6 @@ func DescribeIng(ns string) {
 	Logf(desc)
 }
 
-// NewAgnhostPod returns a pod that uses the agnhost image. The image's binary supports various subcommands
-// that behave the same, no matter the underlying OS.
-func (f *Framework) NewAgnhostPod(name string, args ...string) *v1.Pod {
-	return &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Spec: v1.PodSpec{
-			Containers: []v1.Container{
-				{
-					Name:  "agnhost",
-					Image: AgnHostImage,
-					Args:  args,
-				},
-			},
-		},
-	}
-}
-
 // CreateEmptyFileOnPod creates empty file at given path on the pod.
 // TODO(alejandrox1): move to subpkg pod once kubectl methods have been refactored.
 func CreateEmptyFileOnPod(namespace string, podName string, filePath string) error {

test/e2e/network/dns.go

@@ -409,7 +409,7 @@ var _ = SIGDescribe("DNS", func() {
 		ginkgo.By("Creating a pod with dnsPolicy=None and customized dnsConfig...")
 		testServerIP := "1.1.1.1"
 		testSearchPath := "resolv.conf.local"
-		testAgnhostPod := f.NewAgnhostPod(f.Namespace.Name, "pause")
+		testAgnhostPod := newAgnhostPod(f.Namespace.Name, "pause")
 		testAgnhostPod.Spec.DNSPolicy = v1.DNSNone
 		testAgnhostPod.Spec.DNSConfig = &v1.PodDNSConfig{
 			Nameservers: []string{testServerIP},

test/e2e/network/firewall.go

@@ -146,7 +146,7 @@ var _ = SIGDescribe("Firewall rule", func() {
 			podName := fmt.Sprintf("netexec%v", i)
 
 			framework.Logf("Creating netexec pod %q on node %v in namespace %q", podName, nodeName, ns)
-			pod := f.NewAgnhostPod(podName,
+			pod := newAgnhostPod(podName,
 				"netexec",
 				fmt.Sprintf("--http-port=%d", firewallTestHTTPPort),
 				fmt.Sprintf("--udp-port=%d", firewallTestUDPPort))

test/e2e/network/networking.go

@@ -60,7 +60,7 @@ func checkConnectivityToHost(f *framework.Framework, nodeName, podName, host str
 			Containers: []v1.Container{
 				{
 					Name:    contName,
-					Image:   framework.AgnHostImage,
+					Image:   agnHostImage,
 					Command: command,
 				},
 			},

test/e2e/network/service.go

@@ -902,7 +902,7 @@ var _ = SIGDescribe("Services", func() {
 
 		ginkgo.By("Creating a webserver pod to be part of the TCP service which echoes back source ip")
 		serverPodName := "echo-sourceip"
-		pod := f.NewAgnhostPod(serverPodName, "netexec", "--http-port", strconv.Itoa(servicePort))
+		pod := newAgnhostPod(serverPodName, "netexec", "--http-port", strconv.Itoa(servicePort))
 		pod.Labels = jig.Labels
 		_, err = cs.CoreV1().Pods(ns).Create(context.TODO(), pod, metav1.CreateOptions{})
 		framework.ExpectNoError(err)
@@ -960,7 +960,7 @@ var _ = SIGDescribe("Services", func() {
 
 		ginkgo.By("creating a client/server pod")
 		serverPodName := "hairpin"
-		podTemplate := f.NewAgnhostPod(serverPodName, "netexec", "--http-port", strconv.Itoa(servicePort))
+		podTemplate := newAgnhostPod(serverPodName, "netexec", "--http-port", strconv.Itoa(servicePort))
 		podTemplate.Labels = jig.Labels
 		pod, err := cs.CoreV1().Pods(ns).Create(context.TODO(), podTemplate, metav1.CreateOptions{})
 		framework.ExpectNoError(err)
@@ -3334,7 +3334,7 @@ func proxyMode(f *framework.Framework) (string, error) {
 			Containers: []v1.Container{
 				{
 					Name:  "detector",
-					Image: framework.AgnHostImage,
+					Image: agnHostImage,
 					Args:  []string{"pause"},
 				},
 			},

test/e2e/network/util.go

@@ -21,9 +21,17 @@ import (
 	"fmt"
 	"time"
 
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/kubernetes/test/e2e/framework"
 	e2enetwork "k8s.io/kubernetes/test/e2e/framework/network"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+)
+
+var (
+	// agnHostImage is the image URI of AgnHost
+	agnHostImage = imageutils.GetE2EImage(imageutils.Agnhost)
 )
 
 // GetHTTPContent returns the content of the given url by HTTP.
@@ -49,3 +57,22 @@ func DescribeSvc(ns string) {
 		ns, "describe", "svc", fmt.Sprintf("--namespace=%v", ns))
 	framework.Logf(desc)
 }
+
+// newAgnhostPod returns a pod that uses the agnhost image. The image's binary supports various subcommands
+// that behave the same, no matter the underlying OS.
+func newAgnhostPod(name string, args ...string) *v1.Pod {
+	return &v1.Pod{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: name,
+		},
+		Spec: v1.PodSpec{
+			Containers: []v1.Container{
+				{
+					Name:  "agnhost",
+					Image: agnHostImage,
+					Args:  args,
+				},
+			},
+		},
+	}
+}