You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: vsphere_scale.go
    path of file: ./repos/kubeedge/vendor/k8s.io/kubernetes/test/e2e/storage/vsphere
    
    the code of the file until where you have to start completion: /*
Copyright 2017 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package vsphere

import (
	"context"
	"fmt"
	"strconv"

	"github.com/onsi/ginkgo/v2"
	"github.com/onsi/gomega"
	v1 "k8s.io/api/core/v1"
	storagev1 "k8s.io/api/storage/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	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"
	e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
	"k8s.io/kubernetes/test/e2e/storage/utils"
	admissionapi "k8s.io/pod-security-admission/api"
)

/*
Perform vsphere volume life cycle management at scale based on use
    
func VolumeCreateAndAttach(ctx context.Context, client clientset.Interface, timeouts *framework.TimeoutContext, namespace string, sc []*storagev1.StorageClass, volumeCountPerInstance int, volumesPerPod int, nodeSelectorList []*NodeSelector, nodeVolumeMapChan chan map[string][]string) {
	defer ginkgo.GinkgoRecover()
	nodeVolumeMap := make(map[string][]string)
	nodeSelectorIndex := 0
	for index := 0; index < volumeCountPerInstance; index = index + volumesPerPod {
		if (volumeCountPerInstance - index) < volumesPerPod {
			volumesPerPod = volumeCountPerInstance - index
		}
		pvclaims := make([]*v1.PersistentVolumeClaim, volumesPerPod)
		for i := 0; i < volumesPerPod; i++ {
			ginkgo.By("Creating PVC using the Storage Class")
			pvclaim, err := e2epv.CreatePVC(ctx, client, namespace, getVSphereClaimSpecWithStorageClass(namespace, "2Gi", sc[index%len(sc)]))
			framework.ExpectNoError(err)
			pvclaims[i] = pvclaim
		}

		ginkgo.By("Waiting for claim to be in bound phase")
		persistentvolumes, err := e2epv.WaitForPVClaimBoundPhase(ctx, client, pvclaims, timeouts.ClaimProvision)
		framework.ExpectNoError(err)

		ginkgo.By("Creating pod to attach PV to the node")
		nodeSelector := nodeSelectorList[nodeSelectorIndex%len(nodeSelectorList)]
		// Create pod to attach Volume to Node
		pod, err := e2epod.CreatePod(ctx, client, namespace, map[string]string{nodeSelector.labelKey: nodeSelector.labelValue}, pvclaims, false, "")
		framework.ExpectNoError(err)

		for _, pv := range persistentvolumes {
			nodeVolumeMap[pod.Spec.NodeName] = append(nodeVolumeMap[pod.Spec.NodeName], pv.Spec.VsphereVolume.VolumePath)
		}
		ginkgo.By("Verify the volume is accessible and available in the pod")
		verifyVSphereVolumesAccessible(ctx, client, pod, persistentvolumes)
		nodeSelectorIndex++
	}
	nodeVolumeMapChan <- nodeVolumeMap
	close(nodeVolumeMapChan)
}