Move GetClusterZones() to e2enode

test/e2e/framework/node/resource.go

@@ -471,3 +471,24 @@ func PodNodePairs(c clientset.Interface, ns string) ([]PodNode, error) {
 
 	return result, nil
 }
+
+// GetClusterZones returns the values of zone label collected from all nodes.
+func GetClusterZones(c clientset.Interface) (sets.String, error) {
+	nodes, err := c.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{})
+	if err != nil {
+		return nil, fmt.Errorf("Error getting nodes while attempting to list cluster zones: %v", err)
+	}
+
+	// collect values of zone label from all nodes
+	zones := sets.NewString()
+	for _, node := range nodes.Items {
+		if zone, found := node.Labels[v1.LabelZoneFailureDomain]; found {
+			zones.Insert(zone)
+		}
+
+		if zone, found := node.Labels[v1.LabelZoneFailureDomainStable]; found {
+			zones.Insert(zone)
+		}
+	}
+	return zones, nil
+}

test/e2e/framework/skipper/BUILD

@@ -16,6 +16,7 @@ go_library(
         "//staging/src/k8s.io/client-go/dynamic:go_default_library",
         "//staging/src/k8s.io/client-go/kubernetes:go_default_library",
         "//test/e2e/framework:go_default_library",
+        "//test/e2e/framework/node:go_default_library",
         "//test/e2e/framework/ssh:go_default_library",
         "//vendor/github.com/onsi/ginkgo:go_default_library",
     ],

test/e2e/framework/skipper/skipper.go

@@ -38,6 +38,7 @@ import (
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/kubernetes/pkg/features"
 	"k8s.io/kubernetes/test/e2e/framework"
+	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2essh "k8s.io/kubernetes/test/e2e/framework/ssh"
 )
 
@@ -178,7 +179,7 @@ func SkipUnlessProviderIs(supportedProviders ...string) {
 
 // SkipUnlessMultizone skips if the cluster does not have multizone.
 func SkipUnlessMultizone(c clientset.Interface) {
-	zones, err := framework.GetClusterZones(c)
+	zones, err := e2enode.GetClusterZones(c)
 	if err != nil {
 		skipInternalf(1, "Error listing cluster zones")
 	}
@@ -189,7 +190,7 @@ func SkipUnlessMultizone(c clientset.Interface) {
 
 // SkipIfMultizone skips if the cluster has multizone.
 func SkipIfMultizone(c clientset.Interface) {
-	zones, err := framework.GetClusterZones(c)
+	zones, err := e2enode.GetClusterZones(c)
 	if err != nil {
 		skipInternalf(1, "Error listing cluster zones")
 	}

test/e2e/framework/util.go

@@ -1911,27 +1911,6 @@ func DsFromData(data []byte) (*appsv1.DaemonSet, error) {
 	return &ds, nil
 }
 
-// GetClusterZones returns the values of zone label collected from all nodes.
-func GetClusterZones(c clientset.Interface) (sets.String, error) {
-	nodes, err := c.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{})
-	if err != nil {
-		return nil, fmt.Errorf("Error getting nodes while attempting to list cluster zones: %v", err)
-	}
-
-	// collect values of zone label from all nodes
-	zones := sets.NewString()
-	for _, node := range nodes.Items {
-		if zone, found := node.Labels[v1.LabelZoneFailureDomain]; found {
-			zones.Insert(zone)
-		}
-
-		if zone, found := node.Labels[v1.LabelZoneFailureDomainStable]; found {
-			zones.Insert(zone)
-		}
-	}
-	return zones, nil
-}
-
 // GetFileModeRegex returns a file mode related regex which should be matched by the mounttest pods' output.
 // If the given mask is nil, then the regex will contain the default OS file modes, which are 0644 for Linux and 0775 for Windows.
 func GetFileModeRegex(filePath string, mask *int32) string {

test/e2e/scheduling/ubernetes_lite.go

@@ -30,6 +30,7 @@ import (
 	"k8s.io/apimachinery/pkg/util/uuid"
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/kubernetes/test/e2e/framework"
+	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
 	e2erc "k8s.io/kubernetes/test/e2e/framework/rc"
 	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
@@ -113,7 +114,7 @@ func SpreadServiceOrFail(f *framework.Framework, replicaCount int, image string)
 	framework.ExpectNoError(err)
 
 	// Now make sure they're spread across zones
-	zoneNames, err := framework.GetClusterZones(f.ClientSet)
+	zoneNames, err := e2enode.GetClusterZones(f.ClientSet)
 	framework.ExpectNoError(err)
 	checkZoneSpreading(f.ClientSet, pods, zoneNames.List())
 }
@@ -131,7 +132,7 @@ func getZoneNameForNode(node v1.Node) (string, error) {
 
 // Return the number of zones in which we have nodes in this cluster.
 func getZoneCount(c clientset.Interface) (int, error) {
-	zoneNames, err := framework.GetClusterZones(c)
+	zoneNames, err := e2enode.GetClusterZones(c)
 	if err != nil {
 		return -1, err
 	}
@@ -227,7 +228,7 @@ func SpreadRCOrFail(f *framework.Framework, replicaCount int32, image string, ar
 	framework.ExpectNoError(err)
 
 	// Now make sure they're spread across zones
-	zoneNames, err := framework.GetClusterZones(f.ClientSet)
+	zoneNames, err := e2enode.GetClusterZones(f.ClientSet)
 	framework.ExpectNoError(err)
 	checkZoneSpreading(f.ClientSet, pods, zoneNames.List())
 }

test/e2e/scheduling/ubernetes_lite_volumes.go

@@ -29,6 +29,7 @@ import (
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/apimachinery/pkg/util/uuid"
 	"k8s.io/kubernetes/test/e2e/framework"
+	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
 	"k8s.io/kubernetes/test/e2e/framework/providers/gce"
 	e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
@@ -189,7 +190,7 @@ func PodsUseStaticPVsOrFail(f *framework.Framework, podCount int, image string)
 	c := f.ClientSet
 	ns := f.Namespace.Name
 
-	zones, err := framework.GetClusterZones(c)
+	zones, err := e2enode.GetClusterZones(c)
 	framework.ExpectNoError(err)
 	zonelist := zones.List()
 	ginkgo.By("Creating static PVs across zones")

test/e2e/storage/regional_pd.go

@@ -40,6 +40,7 @@ import (
 	volumehelpers "k8s.io/cloud-provider/volume/helpers"
 	podutil "k8s.io/kubernetes/pkg/api/v1/pod"
 	"k8s.io/kubernetes/test/e2e/framework"
+	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
 	e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
 	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
@@ -140,7 +141,7 @@ func testVolumeProvisioning(c clientset.Interface, ns string) {
 
 				err := checkGCEPD(volume, "pd-standard")
 				framework.ExpectNoError(err, "checkGCEPD")
-				zones, err := framework.GetClusterZones(c)
+				zones, err := e2enode.GetClusterZones(c)
 				framework.ExpectNoError(err, "GetClusterZones")
 				err = verifyZonesInPV(volume, zones, false /* match */)
 				framework.ExpectNoError(err, "verifyZonesInPV")
@@ -547,7 +548,7 @@ func newPodTemplate(labels map[string]string) *v1.PodTemplateSpec {
 }
 
 func getTwoRandomZones(c clientset.Interface) []string {
-	zones, err := framework.GetClusterZones(c)
+	zones, err := e2enode.GetClusterZones(c)
 	framework.ExpectNoError(err)
 	gomega.Expect(zones.Len()).To(gomega.BeNumerically(">=", 2),
 		"The test should only be run in multizone clusters.")

test/e2e/storage/volume_provisioning.go

@@ -46,6 +46,7 @@ import (
 	storageutil "k8s.io/kubernetes/pkg/apis/storage/v1/util"
 	"k8s.io/kubernetes/test/e2e/framework"
 	"k8s.io/kubernetes/test/e2e/framework/auth"
+	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
 	"k8s.io/kubernetes/test/e2e/framework/providers/gce"
 	e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
@@ -1056,7 +1057,7 @@ func deleteProvisionedVolumesAndDisks(c clientset.Interface, pvs []*v1.Persisten
 }
 
 func getRandomClusterZone(c clientset.Interface) string {
-	zones, err := framework.GetClusterZones(c)
+	zones, err := e2enode.GetClusterZones(c)
 	framework.ExpectNoError(err)
 	framework.ExpectNotEqual(len(zones), 0)