rebase: update kubernetes to 1.26.1

update kubernetes and its dependencies
to v1.26.1

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/kubernetes/pkg/volume/util/device_util_linux.go

@@ -52,7 +52,7 @@ func (handler *deviceHandler) FindMultipathDeviceForDevice(device string) string
 	return ""
 }
 
-// findDeviceForPath Find the underlaying disk for a linked path such as /dev/disk/by-path/XXXX or /dev/mapper/XXXX
+// findDeviceForPath Find the underlying disk for a linked path such as /dev/disk/by-path/XXXX or /dev/mapper/XXXX
 // will return sdX or hdX etc, if /dev/sdX is passed in then sdX will be returned
 func findDeviceForPath(path string, io IoUtil) (string, error) {
 	devicePath, err := io.EvalSymlinks(path)

vendor/k8s.io/kubernetes/pkg/volume/util/fs/fs_windows.go

@@ -20,7 +20,6 @@ limitations under the License.
 package fs
 
 import (
-	"fmt"
 	"os"
 	"path/filepath"
 	"syscall"
@@ -105,7 +104,7 @@ func diskUsage(currPath string, info os.FileInfo) (int64, error) {
 
 	for _, file := range files {
 		if file.IsDir() {
-			s, err := diskUsage(fmt.Sprintf("%s/%s", currPath, file.Name()), file)
+			s, err := diskUsage(filepath.Join(currPath, file.Name()), file)
 			if err != nil {
 				return size, err
 			}

vendor/k8s.io/kubernetes/pkg/volume/util/hostutil/fake_hostutil.go

@@ -116,3 +116,9 @@ func (hu *FakeHostUtil) GetSELinuxSupport(pathname string) (bool, error) {
 func (hu *FakeHostUtil) GetMode(pathname string) (os.FileMode, error) {
 	return 0, errors.New("not implemented")
 }
+
+// GetSELinuxMountContext returns value of -o context=XYZ mount option on
+// given mount point.
+func (hu *FakeHostUtil) GetSELinuxMountContext(pathname string) (string, error) {
+	return "", errors.New("not implemented")
+}

vendor/k8s.io/kubernetes/pkg/volume/util/hostutil/hostutil.go

@@ -68,6 +68,9 @@ type HostUtils interface {
 	GetSELinuxSupport(pathname string) (bool, error)
 	// GetMode returns permissions of the path.
 	GetMode(pathname string) (os.FileMode, error)
+	// GetSELinuxMountContext returns value of -o context=XYZ mount option on
+	// given mount point.
+	GetSELinuxMountContext(pathname string) (string, error)
 }
 
 // Compile-time check to ensure all HostUtil implementations satisfy

vendor/k8s.io/kubernetes/pkg/volume/util/hostutil/hostutil_linux.go

@@ -299,3 +299,35 @@ func GetModeLinux(pathname string) (os.FileMode, error) {
 	}
 	return info.Mode(), nil
 }
+
+// GetSELinuxMountContext returns value of -o context=XYZ mount option on
+// given mount point.
+func (hu *HostUtil) GetSELinuxMountContext(pathname string) (string, error) {
+	return getSELinuxMountContext(pathname, procMountInfoPath, selinux.GetEnabled)
+}
+
+// getSELinux is common implementation of GetSELinuxSupport on Linux.
+// Using an extra function for unit tests.
+func getSELinuxMountContext(path string, mountInfoFilename string, selinuxEnabled seLinuxEnabledFunc) (string, error) {
+	// Skip /proc/mounts parsing if SELinux is disabled.
+	if !selinuxEnabled() {
+		return "", nil
+	}
+
+	info, err := findMountInfo(path, mountInfoFilename)
+	if err != nil {
+		return "", err
+	}
+
+	for _, opt := range info.SuperOptions {
+		if !strings.HasPrefix(opt, "context=") {
+			continue
+		}
+		// Remove context=
+		context := strings.TrimPrefix(opt, "context=")
+		// Remove double quotes
+		context = strings.Trim(context, "\"")
+		return context, nil
+	}
+	return "", nil
+}

vendor/k8s.io/kubernetes/pkg/volume/util/hostutil/hostutil_unsupported.go

@@ -101,3 +101,9 @@ func (hu *HostUtil) GetMode(pathname string) (os.FileMode, error) {
 func getDeviceNameFromMount(mounter mount.Interface, mountPath, pluginMountDir string) (string, error) {
 	return "", errUnsupported
 }
+
+// GetSELinuxMountContext returns value of -o context=XYZ mount option on
+// given mount point.
+func (hu *HostUtil) GetSELinuxMountContext(pathname string) (string, error) {
+	return "", errUnsupported
+}

vendor/k8s.io/kubernetes/pkg/volume/util/hostutil/hostutil_windows.go

@@ -123,3 +123,9 @@ func (hu *HostUtil) GetMode(pathname string) (os.FileMode, error) {
 	}
 	return info.Mode(), nil
 }
+
+// GetSELinuxMountContext returns value of -o context=XYZ mount option on
+// given mount point.
+func (hu *HostUtil) GetSELinuxMountContext(pathname string) (string, error) {
+	return "", nil
+}

vendor/k8s.io/kubernetes/pkg/volume/util/metrics.go

@@ -42,7 +42,8 @@ const (
  * involves explicitly acknowledging support for the metric across multiple releases, in accordance with
  * the metric stability policy.
  */
-var storageOperationMetric = metrics.NewHistogramVec(
+
+var StorageOperationMetric = metrics.NewHistogramVec(
 	&metrics.HistogramOpts{
 		Name:           "storage_operation_duration_seconds",
 		Help:           "Storage operation duration",
@@ -80,7 +81,7 @@ func init() {
 func registerMetrics() {
 	// legacyregistry is the internal k8s wrapper around the prometheus
 	// global registry, used specifically for metric stability enforcement
-	legacyregistry.MustRegister(storageOperationMetric)
+	legacyregistry.MustRegister(StorageOperationMetric)
 	legacyregistry.MustRegister(storageOperationEndToEndLatencyMetric)
 	legacyregistry.MustRegister(csiOperationsLatencyMetric)
 }
@@ -101,7 +102,7 @@ func OperationCompleteHook(plugin, operationName string) func(types.CompleteFunc
 		if c.Migrated != nil {
 			migrated = *c.Migrated
 		}
-		storageOperationMetric.WithLabelValues(plugin, operationName, status, strconv.FormatBool(migrated)).Observe(timeTaken)
+		StorageOperationMetric.WithLabelValues(plugin, operationName, status, strconv.FormatBool(migrated)).Observe(timeTaken)
 	}
 	return opComplete
 }

vendor/k8s.io/kubernetes/pkg/volume/util/nested_volumes.go

@@ -51,8 +51,14 @@ func getNestedMountpoints(name, baseDir string, pod v1.Pod) ([]string, error) {
 				return fmt.Errorf("invalid container mount point %v", myMountPoint)
 			}
 			myMPSlash := myMountPoint + string(os.PathSeparator)
-			// The previously found nested mountpoint (or "" if none found yet)
-			prevNestedMP := ""
+			// The previously found nested mountpoints.
+			// NOTE: We can't simply rely on sort.Strings to have all the mountpoints sorted and
+			// grouped. For example, the following strings are sorted in this exact order:
+			// /dir/nested, /dir/nested-vol, /dir/nested.vol, /dir/nested/double, /dir/nested2
+			// The issue is a bit worse for Windows paths, since the \'s value is higher than /'s:
+			// \dir\nested, \dir\nested-vol, \dir\nested.vol, \dir\nested2, \dir\nested\double
+			// Because of this, we should use a list of previously mounted mountpoints, rather than only one.
+			prevNestedMPs := []string{}
 			// examine each mount point to see if it's nested beneath this volume
 			// (but skip any that are double-nested beneath this volume)
 			// For example, if this volume is mounted as /dir and other volumes are mounted
@@ -61,11 +67,19 @@ func getNestedMountpoints(name, baseDir string, pod v1.Pod) ([]string, error) {
 				if !strings.HasPrefix(mp, myMPSlash) {
 					continue // skip -- not nested beneath myMountPoint
 				}
-				if prevNestedMP != "" && strings.HasPrefix(mp, prevNestedMP) {
+
+				isNested := false
+				for _, prevNestedMP := range prevNestedMPs {
+					if strings.HasPrefix(mp, prevNestedMP) {
+						isNested = true
+						break
+					}
+				}
+				if isNested {
 					continue // skip -- double nested beneath myMountPoint
 				}
 				// since this mount point is nested, remember it so that we can check that following ones aren't nested beneath this one
-				prevNestedMP = mp + string(os.PathSeparator)
+				prevNestedMPs = append(prevNestedMPs, mp+string(os.PathSeparator))
 				retval = append(retval, mp[len(myMPSlash):])
 			}
 		}

vendor/k8s.io/kubernetes/pkg/volume/util/resize_util.go

@@ -54,11 +54,6 @@ type resizeProcessStatus struct {
 	processed bool
 }
 
-// ClaimToClaimKey return namespace/name string for pvc
-func ClaimToClaimKey(claim *v1.PersistentVolumeClaim) string {
-	return fmt.Sprintf("%s/%s", claim.Namespace, claim.Name)
-}
-
 // UpdatePVSize updates just pv size after cloudprovider resizing is successful
 func UpdatePVSize(
 	pv *v1.PersistentVolume,

vendor/k8s.io/kubernetes/pkg/volume/util/storageclass.go

@@ -17,9 +17,9 @@ limitations under the License.
 package util
 
 import (
-	"fmt"
+	"sort"
+
 	storagev1 "k8s.io/api/storage/v1"
-	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	storagev1listers "k8s.io/client-go/listers/storage/v1"
@@ -54,10 +54,19 @@ func GetDefaultClass(lister storagev1listers.StorageClassLister) (*storagev1.Sto
 	if len(defaultClasses) == 0 {
 		return nil, nil
 	}
+
+	// Primary sort by creation timestamp, newest first
+	// Secondary sort by class name, ascending order
+	sort.Slice(defaultClasses, func(i, j int) bool {
+		if defaultClasses[i].CreationTimestamp.UnixNano() == defaultClasses[j].CreationTimestamp.UnixNano() {
+			return defaultClasses[i].Name < defaultClasses[j].Name
+		}
+		return defaultClasses[i].CreationTimestamp.UnixNano() > defaultClasses[j].CreationTimestamp.UnixNano()
+	})
 	if len(defaultClasses) > 1 {
-		klog.V(4).Infof("GetDefaultClass %d defaults found", len(defaultClasses))
-		return nil, errors.NewInternalError(fmt.Errorf("%d default StorageClasses were found", len(defaultClasses)))
+		klog.V(4).Infof("%d default StorageClasses were found, choosing the newest: %s", len(defaultClasses), defaultClasses[0].Name)
 	}
+
 	return defaultClasses[0], nil
 }
 

vendor/k8s.io/kubernetes/pkg/volume/util/subpath/subpath_windows.go

@@ -114,7 +114,8 @@ func evalSymlink(path string) (string, error) {
 		}
 	}
 	// This command will give the target path of a given symlink
-	cmd := fmt.Sprintf("(Get-Item -LiteralPath %q).Target", upperpath)
+	// The -Force parameter will allow Get-Item to also evaluate hidden folders, like AppData.
+	cmd := fmt.Sprintf("(Get-Item -Force -LiteralPath %q).Target", upperpath)
 	output, err := exec.Command("powershell", "/c", cmd).CombinedOutput()
 	if err != nil {
 		return "", err
@@ -125,7 +126,7 @@ func evalSymlink(path string) (string, error) {
 		klog.V(4).Infof("Path '%s' has a target %s. Return its original form.", path, linkedPath)
 		return path, nil
 	}
-	// If the target is not an absoluate path, join iit with the current upperpath
+	// If the target is not an absolute path, join iit with the current upperpath
 	if !filepath.IsAbs(linkedPath) {
 		linkedPath = filepath.Join(getUpperPath(upperpath), linkedPath)
 	}

vendor/k8s.io/kubernetes/pkg/volume/util/volumepathhandler/volume_path_handler.go

@@ -42,9 +42,9 @@ type BlockVolumePathHandler interface {
 	UnmapDevice(mapPath string, linkName string, bindMount bool) error
 	// RemovePath removes a file or directory on specified map path
 	RemoveMapPath(mapPath string) error
-	// IsSymlinkExist retruns true if specified symbolic link exists
+	// IsSymlinkExist returns true if specified symbolic link exists
 	IsSymlinkExist(mapPath string) (bool, error)
-	// IsDeviceBindMountExist retruns true if specified bind mount exists
+	// IsDeviceBindMountExist returns true if specified bind mount exists
 	IsDeviceBindMountExist(mapPath string) (bool, error)
 	// GetDeviceBindMountRefs searches bind mounts under global map path
 	GetDeviceBindMountRefs(devPath string, mapPath string) ([]string, error)