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

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

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

)

const (
	kubeletSubsystem = "kubelet"
)

var (
	// HTTPRequests tracks the number of the http requests received since the server started.
	HTTPRequests = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      kubeletSubsystem,
			Name:           "http_requests_total",
			Help:           "Number of the http requests received since the server started",
			StabilityLevel: metrics.ALPHA,

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

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

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

	// apiserver_envelope_encryption_key_id_hash_total{apiserver_id_hash="sha256",key_id_hash="sha256",
	// provider_name="providerName",transformation_type="from_storage"} 1
	KeyIDHashTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "key_id_hash_total",

	)

	// TODO(a-robinson): Add unit tests for the handling of these metrics once
	// the upstream library supports it.
	requestCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Subsystem:      APIServerComponent,
			Name:           "request_total",

			Name:           zoneNoUnhealthyNodesKey,
			Help:           "Gauge measuring number of not Ready Nodes per zones.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"zone"},
	)
	evictionsTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      nodeControllerSubsystem,
			Name:           evictionsTotalKey,
			Help:           "Number of Node evictions that happened since current instance of NodeController started.",

	conversionWebhookRequest *metrics.CounterVec
	conversionWebhookLatency *metrics.HistogramVec
}

func newConversionWebhookMetrics() *ConversionWebhookMetrics {
	conversionWebhookRequest := metrics.NewCounterVec(
		&metrics.CounterOpts{
			Name:           "conversion_webhook_request_total",
			Namespace:      namespace,
			Help:           "Counter for conversion webhook requests with success/failure and failure error type",

			StabilityLevel: metrics.ALPHA,
		},
	)

	// ProxyHealthzTotal is the number of returned HTTP Status for each
	// healthz probe.
	ProxyHealthzTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      kubeProxySubsystem,
			Name:           "proxy_healthz_total",
			Help:           "Cumulative proxy healthz HTTP status",
			StabilityLevel: metrics.ALPHA,
		},

			Buckets:        metrics.ExponentialBuckets(5e-6, 2, 25),
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"transformation_type", "transformer_prefix"},
	)

	transformerOperationsTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "transformation_operations_total",

		metrics.BuildFQName("", "attachdetach_controller", "total_volumes"),
		"Number of volumes in A/D Controller",
		[]string{"plugin_name", "state"}, nil,
		metrics.ALPHA, "")

	ForceDetachMetricCounter = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      attachDetachController,
			Name:           "attachdetach_controller_forced_detaches",
			Help:           "Number of times the A/D Controller performed a forced detach",