"k8s.io/component-base/metrics/legacyregistry"
)

const (
	namespace = "apiserver"
	subsystem = "authentication_config_controller"
)

var (
	authenticationConfigAutomaticReloadsTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "automatic_reloads_total",

	subsystem = "certificates_registry"
)

var (
	// csrDurationRequested counts and categorizes how many certificates were issued when the client requested a duration.
	csrDurationRequested = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "csr_requested_duration_total",

// Append adds more
func (rs Registerables) Append(more ...compbasemetrics.Registerable) Registerables {
	return append(rs, more...)
}

var (
	apiserverRejectedRequestsTotal = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "rejected_requests_total",

var (
	// clusterIPRepairIPErrors indicates the number of errors found by the repair loop
	// divided by the type of error:
	// leak, repair, full, outOfRange, duplicate, invalid, unknown
	clusterIPRepairIPErrors = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "ip_errors_total",

// init registers all metrics.
func init() {
	for _, metric := range metrics {
		legacyregistry.MustRegister(metric)
	}
}

var (
	requestTotal = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Name:           "apiserver_delegated_authn_request_total",
			Help:           "Number of HTTP requests partitioned by status code.",
			StabilityLevel: compbasemetrics.ALPHA,
		},

limitations under the License.
*/

package openapi

import (
	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
)

var (
	regenerationCounter = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Name:           "apiextensions_openapi_v2_regeneration_count",
			Help:           "Counter of OpenAPI v2 spec regeneration count broken down by causing CRD name and reason.",

	"k8s.io/component-base/metrics/legacyregistry"
)

const (
	KubeletSubsystem = "kubelet"
)

var (
	registerOnce sync.Once

	kubeletCredentialProviderPluginErrors = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      KubeletSubsystem,
			Name:           "credential_provider_plugin_errors",
			Help:           "Number of errors from credential provider plugin",
			StabilityLevel: metrics.ALPHA,

	policyCheck      *metrics.CounterVec
	policyDefinition *metrics.CounterVec
	policyLatency    *metrics.HistogramVec
}

func newValidationAdmissionMetrics() *ValidatingAdmissionPolicyMetrics {
	check := metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      metricsNamespace,
			Subsystem:      metricsSubsystem,
			Name:           "check_total",

	Unreserve                   = "Unreserve"
	Permit                      = "Permit"
)

// All the histogram based metrics have 1ms as size for the smallest bucket.
var (
	scheduleAttempts = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      SchedulerSubsystem,
			Name:           "schedule_attempts_total",

	statuscode = "code"
)

var registerMetricsOnce sync.Once

var (
	// peerProxiedRequestsTotal counts the number of requests that were proxied to a peer kube-apiserver.
	peerProxiedRequestsTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      subsystem,
			Name:           "rerouted_request_total",