update kubernetes dependencies to v1.25.0

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

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

@@ -51,10 +51,10 @@ func (a *PromptingAuthLoader) LoadAuth(path string) (*clientauth.Info, error) {
 	// Prompt for user/pass and write a file if none exists.
 	if _, err := os.Stat(path); os.IsNotExist(err) {
 		authPtr, err := a.Prompt()
-		auth := *authPtr
 		if err != nil {
 			return nil, err
 		}
+		auth := *authPtr
 		data, err := json.Marshal(auth)
 		if err != nil {
 			return &auth, err

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

@@ -160,8 +160,10 @@ func NewDefaultClientConfigLoadingRules() *ClientConfigLoadingRules {
 
 // Load starts by running the MigrationRules and then
 // takes the loading rules and returns a Config object based on following rules.
-//   if the ExplicitPath, return the unmerged explicit file
-//   Otherwise, return a merged config based on the Precedence slice
+//
+//	if the ExplicitPath, return the unmerged explicit file
+//	Otherwise, return a merged config based on the Precedence slice
+//
 // A missing ExplicitPath file produces an error. Empty filenames or other missing files are ignored.
 // Read errors or files with non-deserializable content produce errors.
 // The first file to set a particular map key wins and map key's value is never changed.

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

@@ -204,8 +204,19 @@ func ConfirmUsable(config clientcmdapi.Config, passedContextName string) error {
 
 	if exists {
 		validationErrors = append(validationErrors, validateContext(contextName, *context, config)...)
-		validationErrors = append(validationErrors, validateAuthInfo(context.AuthInfo, *config.AuthInfos[context.AuthInfo])...)
-		validationErrors = append(validationErrors, validateClusterInfo(context.Cluster, *config.Clusters[context.Cluster])...)
+
+		// Default to empty users and clusters and let the validation function report an error.
+		authInfo := config.AuthInfos[context.AuthInfo]
+		if authInfo == nil {
+			authInfo = &clientcmdapi.AuthInfo{}
+		}
+		validationErrors = append(validationErrors, validateAuthInfo(context.AuthInfo, *authInfo)...)
+
+		cluster := config.Clusters[context.Cluster]
+		if cluster == nil {
+			cluster = &clientcmdapi.Cluster{}
+		}
+		validationErrors = append(validationErrors, validateClusterInfo(context.Cluster, *cluster)...)
 	}
 
 	return newErrConfigurationInvalid(validationErrors)