vSphere scale tests

test/e2e/framework/pv_util.go

@@ -790,12 +790,12 @@ func deletePD(pdName string) error {
 // Returns a pod definition based on the namespace. The pod references the PVC's
 // name.
 func MakeWritePod(ns string, pvc *v1.PersistentVolumeClaim) *v1.Pod {
-	return MakePod(ns, []*v1.PersistentVolumeClaim{pvc}, true, "touch /mnt/volume1/SUCCESS && (id -G | grep -E '\\b777\\b')")
+	return MakePod(ns, nil, []*v1.PersistentVolumeClaim{pvc}, true, "touch /mnt/volume1/SUCCESS && (id -G | grep -E '\\b777\\b')")
 }
 
 // Returns a pod definition based on the namespace. The pod references the PVC's
 // name.  A slice of BASH commands can be supplied as args to be run by the pod
-func MakePod(ns string, pvclaims []*v1.PersistentVolumeClaim, isPrivileged bool, command string) *v1.Pod {
+func MakePod(ns string, nodeSelector map[string]string, pvclaims []*v1.PersistentVolumeClaim, isPrivileged bool, command string) *v1.Pod {
 	if len(command) == 0 {
 		command = "while true; do sleep 1; done"
 	}
@@ -832,6 +832,9 @@ func MakePod(ns string, pvclaims []*v1.PersistentVolumeClaim, isPrivileged bool,
 	}
 	podSpec.Spec.Containers[0].VolumeMounts = volumeMounts
 	podSpec.Spec.Volumes = volumes
+	if nodeSelector != nil {
+		podSpec.Spec.NodeSelector = nodeSelector
+	}
 	return podSpec
 }
 
@@ -886,9 +889,9 @@ func MakeSecPod(ns string, pvclaims []*v1.PersistentVolumeClaim, isPrivileged bo
 	return podSpec
 }
 
-// create pod with given claims
-func CreatePod(client clientset.Interface, namespace string, pvclaims []*v1.PersistentVolumeClaim, isPrivileged bool, command string) (*v1.Pod, error) {
-	pod := MakePod(namespace, pvclaims, isPrivileged, command)
+// CreatePod with given claims based on node selector
+func CreatePod(client clientset.Interface, namespace string, nodeSelector map[string]string, pvclaims []*v1.PersistentVolumeClaim, isPrivileged bool, command string) (*v1.Pod, error) {
+	pod := MakePod(namespace, nodeSelector, pvclaims, isPrivileged, command)
 	pod, err := client.CoreV1().Pods(namespace).Create(pod)
 	if err != nil {
 		return nil, fmt.Errorf("pod Create API error: %v", err)
@@ -928,7 +931,7 @@ func CreateSecPod(client clientset.Interface, namespace string, pvclaims []*v1.P
 
 // Define and create a pod with a mounted PV.  Pod runs infinite loop until killed.
 func CreateClientPod(c clientset.Interface, ns string, pvc *v1.PersistentVolumeClaim) (*v1.Pod, error) {
-	return CreatePod(c, ns, []*v1.PersistentVolumeClaim{pvc}, true, "")
+	return CreatePod(c, ns, nil, []*v1.PersistentVolumeClaim{pvc}, true, "")
 }
 
 // wait until all pvcs phase set to bound

test/e2e/multicluster/ubernetes_lite.go

@@ -309,8 +309,8 @@ func PodsUseStaticPVsOrFail(f *framework.Framework, podCount int, image string)
 
 	By("Creating pods for each static PV")
 	for _, config := range configs {
-		podConfig := framework.MakePod(ns, []*v1.PersistentVolumeClaim{config.pvc}, false, "")
-		config.pod, err = c.CoreV1().Pods(ns).Create(podConfig)
+		podConfig := framework.MakePod(ns, nil, []*v1.PersistentVolumeClaim{config.pvc}, false, "")
+		config.pod, err = c.Core().Pods(ns).Create(podConfig)
 		Expect(err).NotTo(HaveOccurred())
 	}
 

test/e2e/storage/BUILD

@@ -23,6 +23,7 @@ go_library(
         "volume_metrics.go",
         "volume_provisioning.go",
         "volumes.go",
+        "vsphere_scale.go",
         "vsphere_statefulsets.go",
         "vsphere_stress.go",
         "vsphere_utils.go",

test/e2e/storage/persistent_volumes-disruptive.go

@@ -151,7 +151,7 @@ var _ = SIGDescribe("PersistentVolumes[Disruptive][Flaky]", func() {
 			framework.ExpectNoError(framework.WaitOnPVandPVC(c, ns, pv2, pvc2))
 
 			By("Attaching both PVC's to a single pod")
-			clientPod, err = framework.CreatePod(c, ns, []*v1.PersistentVolumeClaim{pvc1, pvc2}, true, "")
+			clientPod, err = framework.CreatePod(c, ns, nil, []*v1.PersistentVolumeClaim{pvc1, pvc2}, true, "")
 			Expect(err).NotTo(HaveOccurred())
 		})
 
@@ -309,7 +309,7 @@ func initTestCase(f *framework.Framework, c clientset.Interface, pvConfig framew
 		}
 	}()
 	Expect(err).NotTo(HaveOccurred())
-	pod := framework.MakePod(ns, []*v1.PersistentVolumeClaim{pvc}, true, "")
+	pod := framework.MakePod(ns, nil, []*v1.PersistentVolumeClaim{pvc}, true, "")
 	pod.Spec.NodeName = nodeName
 	framework.Logf("Creating NFS client pod.")
 	pod, err = c.CoreV1().Pods(ns).Create(pod)

test/e2e/storage/persistent_volumes.go

@@ -292,7 +292,7 @@ var _ = SIGDescribe("PersistentVolumes", func() {
 				// If a file is detected in /mnt, fail the pod and do not restart it.
 				By("Verifying the mount has been cleaned.")
 				mount := pod.Spec.Containers[0].VolumeMounts[0].MountPath
-				pod = framework.MakePod(ns, []*v1.PersistentVolumeClaim{pvc}, true, fmt.Sprintf("[ $(ls -A %s | wc -l) -eq 0 ] && exit 0 || exit 1", mount))
+				pod = framework.MakePod(ns, nil, []*v1.PersistentVolumeClaim{pvc}, true, fmt.Sprintf("[ $(ls -A %s | wc -l) -eq 0 ] && exit 0 || exit 1", mount))
 				pod, err = c.CoreV1().Pods(ns).Create(pod)
 				Expect(err).NotTo(HaveOccurred())
 				framework.ExpectNoError(framework.WaitForPodSuccessInNamespace(c, pod.Name, ns))

test/e2e/storage/volume_metrics.go

@@ -87,7 +87,7 @@ var _ = SIGDescribe("[Serial] Volume metrics", func() {
 
 		claims := []*v1.PersistentVolumeClaim{pvc}
 
-		pod := framework.MakePod(ns, claims, false, "")
+		pod := framework.MakePod(ns, nil, claims, false, "")
 		pod, err = c.CoreV1().Pods(ns).Create(pod)
 		Expect(err).NotTo(HaveOccurred())
 
@@ -115,7 +115,7 @@ var _ = SIGDescribe("[Serial] Volume metrics", func() {
 		Expect(pvc).ToNot(Equal(nil))
 
 		claims := []*v1.PersistentVolumeClaim{pvc}
-		pod := framework.MakePod(ns, claims, false, "")
+		pod := framework.MakePod(ns, nil, claims, false, "")
 		pod, err = c.CoreV1().Pods(ns).Create(pod)
 		Expect(err).NotTo(HaveOccurred())
 

test/e2e/storage/vsphere_stress.go

@@ -18,6 +18,10 @@ package storage
 
 import (
 	"fmt"
+	"os"
+	"strconv"
+	"sync"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 	"k8s.io/api/core/v1"
@@ -28,9 +32,6 @@ import (
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere"
 	"k8s.io/kubernetes/test/e2e/framework"
-	"os"
-	"strconv"
-	"sync"
 )
 
 /*
@@ -45,13 +46,6 @@ import (
 */
 var _ = SIGDescribe("vsphere cloud provider stress [Feature:vsphere]", func() {
 	f := framework.NewDefaultFramework("vcp-stress")
-	const (
-		volumesPerNode = 55
-		storageclass1  = "sc-default"
-		storageclass2  = "sc-vsan"
-		storageclass3  = "sc-spbm"
-		storageclass4  = "sc-user-specified-ds"
-	)
 	var (
 		client        clientset.Interface
 		namespace     string
@@ -159,7 +153,7 @@ func PerformVolumeLifeCycleInParallel(f *framework.Framework, client clientset.I
 
 		By(fmt.Sprintf("%v Creating Pod using the claim: %v", logPrefix, pvclaim.Name))
 		// Create pod to attach Volume to Node
-		pod, err := framework.CreatePod(client, namespace, pvclaims, false, "")
+		pod, err := framework.CreatePod(client, namespace, nil, pvclaims, false, "")
 		Expect(err).NotTo(HaveOccurred())
 
 		By(fmt.Sprintf("%v Waiting for the Pod: %v to be in the running state", logPrefix, pod.Name))

test/e2e/storage/vsphere_utils.go

@@ -38,6 +38,14 @@ import (
 	"k8s.io/kubernetes/test/e2e/framework"
 )
 
+const (
+	volumesPerNode = 55
+	storageclass1  = "sc-default"
+	storageclass2  = "sc-vsan"
+	storageclass3  = "sc-spbm"
+	storageclass4  = "sc-user-specified-ds"
+)
+
 // Sanity check for vSphere testing.  Verify the persistent disk attached to the node.
 func verifyVSphereDiskAttached(vsp *vsphere.VSphere, volumePath string, nodeName types.NodeName) (bool, error) {
 	var (
@@ -53,6 +61,46 @@ func verifyVSphereDiskAttached(vsp *vsphere.VSphere, volumePath string, nodeName
 	return isAttached, err
 }
 
+// Wait until vsphere volumes are detached from the list of nodes or time out after 5 minutes
+func waitForVSphereDisksToDetach(vsp *vsphere.VSphere, nodeVolumes map[k8stype.NodeName][]string) error {
+	var (
+		err            error
+		disksAttached  = true
+		detachTimeout  = 5 * time.Minute
+		detachPollTime = 10 * time.Second
+	)
+	if vsp == nil {
+		vsp, err = vsphere.GetVSphere()
+		if err != nil {
+			return err
+		}
+	}
+	err = wait.Poll(detachPollTime, detachTimeout, func() (bool, error) {
+		attachedResult, err := vsp.DisksAreAttached(nodeVolumes)
+		if err != nil {
+			return false, err
+		}
+		for nodeName, nodeVolumes := range attachedResult {
+			for volumePath, attached := range nodeVolumes {
+				if attached {
+					framework.Logf("Waiting for volumes %q to detach from %q.", volumePath, string(nodeName))
+					return false, nil
+				}
+			}
+		}
+		disksAttached = false
+		framework.Logf("Volume are successfully detached from all the nodes: %+v", nodeVolumes)
+		return true, nil
+	})
+	if err != nil {
+		return err
+	}
+	if disksAttached {
+		return fmt.Errorf("Gave up waiting for volumes to detach after %v", detachTimeout)
+	}
+	return nil
+}
+
 // Wait until vsphere vmdk is deteched from the given node or time out after 5 minutes
 func waitForVSphereDiskToDetach(vsp *vsphere.VSphere, volumePath string, nodeName types.NodeName) error {
 	var (

test/e2e/storage/vsphere_volume_fstype.go

@@ -128,7 +128,7 @@ func invokeTestForInvalidFstype(f *framework.Framework, client clientset.Interfa
 	var pvclaims []*v1.PersistentVolumeClaim
 	pvclaims = append(pvclaims, pvclaim)
 	// Create pod to attach Volume to Node
-	pod, err := framework.CreatePod(client, namespace, pvclaims, false, ExecCommand)
+	pod, err := framework.CreatePod(client, namespace, nil, pvclaims, false, ExecCommand)
 	Expect(err).To(HaveOccurred())
 
 	eventList, err := client.CoreV1().Events(namespace).List(metav1.ListOptions{})
@@ -170,7 +170,7 @@ func createPodAndVerifyVolumeAccessible(client clientset.Interface, namespace st
 	pvclaims = append(pvclaims, pvclaim)
 	By("Creating pod to attach PV to the node")
 	// Create pod to attach Volume to Node
-	pod, err := framework.CreatePod(client, namespace, pvclaims, false, ExecCommand)
+	pod, err := framework.CreatePod(client, namespace, nil, pvclaims, false, "")
 	Expect(err).NotTo(HaveOccurred())
 
 	// Asserts: Right disk is attached to the pod

test/e2e/storage/vsphere_volume_ops_storm.go

@@ -109,7 +109,7 @@ var _ = SIGDescribe("Volume Operations Storm [Feature:vsphere]", func() {
 		Expect(err).NotTo(HaveOccurred())
 
 		By("Creating pod to attach PVs to the node")
-		pod, err := framework.CreatePod(client, namespace, pvclaims, false, "")
+		pod, err := framework.CreatePod(client, namespace, nil, pvclaims, false, "")
 		Expect(err).NotTo(HaveOccurred())
 
 		By("Verify all volumes are accessible and available in the pod")

test/e2e/storage/vsphere_volume_vsan_policy.go

@@ -292,7 +292,7 @@ func invokeValidPolicyTest(f *framework.Framework, client clientset.Interface, n
 
 	By("Creating pod to attach PV to the node")
 	// Create pod to attach Volume to Node
-	pod, err := framework.CreatePod(client, namespace, pvclaims, false, "")
+	pod, err := framework.CreatePod(client, namespace, nil, pvclaims, false, "")
 	Expect(err).NotTo(HaveOccurred())
 
 	vsp, err := vsphere.GetVSphere()

test/e2e/upgrades/storage/persistent_volumes.go

@@ -98,7 +98,7 @@ func (t *PersistentVolumeUpgradeTest) Teardown(f *framework.Framework) {
 
 // testPod creates a pod that consumes a pv and prints it out. The output is then verified.
 func (t *PersistentVolumeUpgradeTest) testPod(f *framework.Framework, cmd string) {
-	pod := framework.MakePod(f.Namespace.Name, []*v1.PersistentVolumeClaim{t.pvc}, false, cmd)
+	pod := framework.MakePod(f.Namespace.Name, nil, []*v1.PersistentVolumeClaim{t.pvc}, false, cmd)
 	expectedOutput := []string{pvTestData}
 	f.TestContainerOutput("pod consumes pv", pod, 0, expectedOutput)
 }