limitations under the License.
*/

package metrics

import (
	"errors"
	"sync"

	"k8s.io/apimachinery/pkg/labels"
	"k8s.io/apimachinery/pkg/types"
	corelisters "k8s.io/client-go/listers/core/v1"
	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
	"k8s.io/klog/v2"
	"k8s.io/kubernetes/pkg/controller/volume/attachdetach/cache"

	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	svminformers "k8s.io/client-go/informers/storagemigration/v1alpha1"
	clientset "k8s.io/client-go/kubernetes"
	svmlisters "k8s.io/client-go/listers/storagemigration/v1alpha1"
)

const (
	// this name is guaranteed to be not present in the cluster as it not a valid namespace name
	fakeSVMNamespaceName          string = "@fake:svm_ns!"

	genericadmissioninit "k8s.io/apiserver/pkg/admission/initializer"
	"k8s.io/apiserver/pkg/audit"
	"k8s.io/apiserver/pkg/warning"
	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
	corev1listers "k8s.io/client-go/listers/core/v1"
	"k8s.io/component-base/featuregate"
	"k8s.io/component-base/metrics/legacyregistry"
	"k8s.io/kubernetes/pkg/api/legacyscheme"
	"k8s.io/kubernetes/pkg/apis/apps"
	"k8s.io/kubernetes/pkg/apis/batch"

	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/apimachinery/pkg/util/wait"
	coreinformers "k8s.io/client-go/informers/core/v1"
	clientset "k8s.io/client-go/kubernetes"
	corelisters "k8s.io/client-go/listers/core/v1"
	"k8s.io/client-go/tools/cache"
	"k8s.io/client-go/util/workqueue"
	"k8s.io/klog/v2"
	"k8s.io/kubernetes/pkg/controller/volume/protectionutil"
	"k8s.io/kubernetes/pkg/util/slice"

	"k8s.io/apimachinery/pkg/labels"
	utilerrors "k8s.io/apimachinery/pkg/util/errors"
	"k8s.io/apiserver/pkg/authentication/user"
	"k8s.io/apiserver/pkg/authorization/authorizer"
	rbaclisters "k8s.io/client-go/listers/rbac/v1"
	rbacv1helpers "k8s.io/kubernetes/pkg/apis/rbac/v1"
	rbacregistryvalidation "k8s.io/kubernetes/pkg/registry/rbac/validation"
)

type RequestToRuleMapper interface {

	c := &Controller{events: atomic.NewInt32(0)}
	// For each thing we watch, build a typed `client`. This encapsulates a variety of complex logic
	// that would otherwise need to be dealt with manually with Informers and Listers.
	// In general, you should *not* ever do a direct List or Get call to the api-server.
	// Each kube.Client (which, there should be one per cluster) has a shared set of watches to the API server,

	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/apimachinery/pkg/util/wait"
	coreinformers "k8s.io/client-go/informers/core/v1"
	clientset "k8s.io/client-go/kubernetes"
	corelisters "k8s.io/client-go/listers/core/v1"
	"k8s.io/client-go/metadata"
	"k8s.io/client-go/tools/cache"
	"k8s.io/client-go/util/workqueue"
	"k8s.io/kubernetes/pkg/controller"
	"k8s.io/kubernetes/pkg/controller/namespace/deletion"

	"k8s.io/klog/v2"

	"encoding/json"
	"k8s.io/apimachinery/pkg/api/equality"
	"testing"

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/kubernetes/fake"
	corev1listers "k8s.io/client-go/listers/core/v1"
	"k8s.io/client-go/tools/cache"
)

const (
	defConfigMapName      = "extension-apiserver-authentication"
	defConfigMapNamespace = "kube-system"

	defUsernameHeadersKey     = "user-key"

	"k8s.io/apiserver/pkg/admission"
	genericadmissioninitializers "k8s.io/apiserver/pkg/admission/initializer"
	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
	schedulingv1listers "k8s.io/client-go/listers/scheduling/v1"
	"k8s.io/kubernetes/pkg/apis/core"
	"k8s.io/kubernetes/pkg/apis/scheduling"
)

const (
	// PluginName indicates name of admission plugin.
	PluginName = "Priority"
)

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	svminformers "k8s.io/client-go/informers/storagemigration/v1alpha1"
	svmlisters "k8s.io/client-go/listers/storagemigration/v1alpha1"
)

const (
	workers                      = 5
	migrationSuccessStatusReason = "StorageVersionMigrationSucceeded"
	migrationRunningStatusReason = "StorageVersionMigrationInProgress"