Update vendor package

vendor/k8s.io/client-go/tools/clientcmd/config.go

@@ -24,7 +24,7 @@ import (
 	"reflect"
 	"sort"
 
-	"k8s.io/klog"
+	"k8s.io/klog/v2"
 
 	restclient "k8s.io/client-go/rest"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
@@ -58,6 +58,15 @@ type PathOptions struct {
 	LoadingRules *ClientConfigLoadingRules
 }
 
+var (
+	// UseModifyConfigLock ensures that access to kubeconfig file using ModifyConfig method
+	// is being guarded by a lock file.
+	// This variable is intentionaly made public so other consumers of this library
+	// can modify its default behavior, but be caution when disabling it since
+	// this will make your code not threadsafe.
+	UseModifyConfigLock = true
+)
+
 func (o *PathOptions) GetEnvVarFiles() []string {
 	if len(o.EnvVar) == 0 {
 		return []string{}
@@ -74,10 +83,13 @@ func (o *PathOptions) GetEnvVarFiles() []string {
 }
 
 func (o *PathOptions) GetLoadingPrecedence() []string {
+	if o.IsExplicitFile() {
+		return []string{o.GetExplicitFile()}
+	}
+
 	if envVarFiles := o.GetEnvVarFiles(); len(envVarFiles) > 0 {
 		return envVarFiles
 	}
-
 	return []string{o.GlobalFile}
 }
 
@@ -156,15 +168,17 @@ func NewDefaultPathOptions() *PathOptions {
 // that means that this code will only write into a single file.  If you want to relativizePaths, you must provide a fully qualified path in any
 // modified element.
 func ModifyConfig(configAccess ConfigAccess, newConfig clientcmdapi.Config, relativizePaths bool) error {
-	possibleSources := configAccess.GetLoadingPrecedence()
-	// sort the possible kubeconfig files so we always "lock" in the same order
-	// to avoid deadlock (note: this can fail w/ symlinks, but... come on).
-	sort.Strings(possibleSources)
-	for _, filename := range possibleSources {
-		if err := lockFile(filename); err != nil {
-			return err
+	if UseModifyConfigLock {
+		possibleSources := configAccess.GetLoadingPrecedence()
+		// sort the possible kubeconfig files so we always "lock" in the same order
+		// to avoid deadlock (note: this can fail w/ symlinks, but... come on).
+		sort.Strings(possibleSources)
+		for _, filename := range possibleSources {
+			if err := lockFile(filename); err != nil {
+				return err
+			}
+			defer unlockFile(filename)
 		}
-		defer unlockFile(filename)
 	}
 
 	startingConfig, err := configAccess.GetStartingConfig()
@@ -360,7 +374,7 @@ func (p *persister) Persist(config map[string]string) error {
 	authInfo, ok := newConfig.AuthInfos[p.user]
 	if ok && authInfo.AuthProvider != nil {
 		authInfo.AuthProvider.Config = config
-		ModifyConfig(p.configAccess, *newConfig, false)
+		return ModifyConfig(p.configAccess, *newConfig, false)
 	}
 	return nil
 }