"k8s.io/apiserver/pkg/authentication/authenticator"
	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
)

/*
 * By default, all the following metrics are defined as falling under
 * ALPHA stability level https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/1209-metrics-stability/kubernetes-control-plane-metrics-stability.md#stability-classes)
 *

limitations under the License.
==============================================================================*/
// APIs for accessing SavedModel and checkpoint metric objects.
//
// In order to collect the data from these metrics, please add the metrics to
// the provided monitoring platform. Unless configured with a user-specified
// monitoring platform, the data is not collected in OSS.

package common

import (
	"istio.io/istio/pkg/monitoring"
)

type EchoMetrics struct {
	HTTPRequests monitoring.Metric
	GrpcRequests monitoring.Metric
	TCPRequests  monitoring.Metric
}

var (
	PortLabel = monitoring.CreateLabel("port")
	Metrics   = &EchoMetrics{
		HTTPRequests: monitoring.NewSum(
			"istio_echo_http_requests_total",
			"The number of http requests total",
		),

# With a startup probe and `--kubelet-insecure-tls` added.
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    k8s-app: metrics-server
  name: metrics-server
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  labels:
    k8s-app: metrics-server

limitations under the License.
*/

package metrics

import (
	"sync"
	"time"

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

const (
	kubeletSubsystem = "kubelet"
)

var (
	// HTTPRequests tracks the number of the http requests received since the server started.
	HTTPRequests = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      kubeletSubsystem,

// CollectWithStability implements the metrics.StableCollector interface.
func (c *totalVolumesCollector) CollectWithStability(ch chan<- metrics.Metric) {
	for stateName, pluginCount := range c.getVolumeCount() {
		for pluginName, count := range pluginCount {
			ch <- metrics.NewLazyConstMetric(totalVolumesDesc,
				metrics.GaugeValue,
				float64(count),
				pluginName,
				stateName)
		}
	}
}

 *
 * Promoting the stability level of the metric is a responsibility of the component owner, since it
 * involves explicitly acknowledging support for the metric across multiple releases, in accordance with
 * the metric stability policy.
 */
var (
	listCacheCount = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{

	latencyBuckets = []float64{0.005, 0.025, 0.1, 0.5, 2.5, 12.5}

	// Metrics provides access to all dial metrics.
	Metrics = newDialMetrics()
)

// DialMetrics instruments dials to proxy server with prometheus metrics.
type DialMetrics struct {
	clock     clock.Clock
	starts    *metrics.CounterVec
	latencies *metrics.HistogramVec
	failures  *metrics.CounterVec
}

See the License for the specific language governing permissions and
limitations under the License.
*/

package metrics

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

const ReplicaSetControllerSubsystem = "replicaset_controller"

var SortingDeletionAgeRatio = metrics.NewHistogram(
	&metrics.HistogramOpts{
		Subsystem: ReplicaSetControllerSubsystem,
		Name:      "sorting_deletion_age_ratio",

	attachDetachController        = "attach_detach_controller"
)

var (
	inUseVolumeMetricDesc = metrics.NewDesc(
		metrics.BuildFQName("", "storage_count", "attachable_volumes_in_use"),
		"Measure number of volumes in use",
		[]string{"node", "volume_plugin"}, nil,
		metrics.ALPHA, "")

	totalVolumesMetricDesc = metrics.NewDesc(
		metrics.BuildFQName("", "attachdetach_controller", "total_volumes"),
		"Number of volumes in A/D Controller",