// into metric csi_kubelet_operations_seconds
func RecordCSIOperationLatencyMetrics(driverName string,
	operationName string,
	operationErr error,
	operationDuration time.Duration,
	migrated string) {
	csiOperationsLatencyMetric.WithLabelValues(driverName, operationName, getErrorCode(operationErr), migrated).Observe(operationDuration.Seconds())
}

func getErrorCode(err error) string {

			driverName: dirverName1,
			classes:    []*storagev1alpha1.VolumeAttributesClass{vac1, vac2, vac6},
			expect:     nil,
		},
		{
			name:       "no default volume attributes class for the driverName1",
			driverName: dirverName1,
			classes:    []*storagev1alpha1.VolumeAttributesClass{vac1, vac2, vac6, vac7},
			expect:     nil,
		},
		{
			name:       "one default volume attributes class for the driverName1",

		}
		if c.classParameters != nil {
			for _, p := range c.classParameters.VendorParameters {
				if p.DriverName == driverName {
					handle.StructuredData.VendorClassParameters = p.Parameters
					break
				}
			}
		}
		for _, request := range c.claimParameters.DriverRequests {
			if request.DriverName == driverName {
				handle.StructuredData.VendorClaimParameters = request.VendorParameters
				break
			}
		}

func NewMetricsCsi(volumeID string, targetPath string, driverName csiDriverName) volume.MetricsProvider {
	mc := &metricsCsi{volumeID: volumeID, targetPath: targetPath}
	mc.csiClientGetter.driverName = driverName
	return mc
}

func (mc *metricsCsi) GetMetrics() (*volume.Metrics, error) {
	startTime := time.Now()
	defer servermetrics.CollectVolumeStatCalDuration(string(mc.csiClientGetter.driverName), startTime)
	currentTime := metav1.Now()

	"k8s.io/kubernetes/pkg/apis/resource"
	"k8s.io/utils/ptr"
)

func testResourceSlice(name, nodeName, driverName string) *resource.ResourceSlice {
	return &resource.ResourceSlice{
		ObjectMeta: metav1.ObjectMeta{
			Name: name,
		},
		NodeName:   nodeName,
		DriverName: driverName,
		ResourceModel: resource.ResourceModel{
			NamedResources: &resource.NamedResourcesResources{},
		},
	}
}

		metricsProvider = volume.NewMetricsStatFS(plugin.host.GetPodVolumeDir(
			podUID, utilstrings.EscapeQualifiedName(plugin.driverName), volName))
	} else {
		metricsProvider = &volume.MetricsNil{}
	}

	return &flexVolumeUnmounter{
		flexVolume: &flexVolume{
			driverName:      plugin.driverName,
			execPath:        plugin.getExecutable(),
			mounter:         mounter,
			plugin:          plugin,

// This method is protected by a mutex.
func (s *DriversStore) Get(driverName string) (Driver, bool) {
	s.RLock()
	defer s.RUnlock()

	driver, ok := s.store[driverName]
	return driver, ok
}

// Set lets you save a CSI Driver to the list and give it a specific name.
// This method is protected by a mutex.
func (s *DriversStore) Set(driverName string, driver Driver) {
	s.Lock()
	defer s.Unlock()

	if s.store == nil {

	if csiLimitKeyLonger != expectedCSIKey {
		t.Errorf("Expected limit to be %s got %s", expectedCSIKey, csiLimitKeyLonger)
	}
}

func getDriverHash(driverName string) string {
	charsFromDriverName := driverName[:23]
	hash := sha1.New()
	hash.Write([]byte(driverName))
	hashed := hex.EncodeToString(hash.Sum(nil))
	hashed = hashed[:16]
	return CSIAttachLimitPrefix + charsFromDriverName + hashed

)

// GetCSIAttachLimitKey returns limit key used for CSI volumes
func GetCSIAttachLimitKey(driverName string) string {
	csiPrefixLength := len(CSIAttachLimitPrefix)
	totalkeyLength := csiPrefixLength + len(driverName)
	if totalkeyLength >= ResourceNameLengthLimit {
		charsFromDriverName := driverName[:23]
		hash := sha1.New()
		hash.Write([]byte(driverName))
		hashed := hex.EncodeToString(hash.Sum(nil))
		hashed = hashed[:16]

import (
	"k8s.io/mount-utils"
	utilstrings "k8s.io/utils/strings"

	"k8s.io/apimachinery/pkg/types"
	"k8s.io/kubernetes/pkg/volume"
)

type flexVolume struct {
	// driverName is the name of the plugin driverName.
	driverName string
	// Driver executable used to setup the volume.
	execPath string
	// mounter provides the interface that is used to mount the actual
	// block device.
	mounter mount.Interface