package informermetric

import (
	"sync"

	"k8s.io/client-go/tools/cache"

	"istio.io/istio/pkg/cluster"
	"istio.io/istio/pkg/log"
	"istio.io/istio/pkg/monitoring"
)

var (
	clusterLabel = monitoring.CreateLabel("cluster")

	errorMetric = monitoring.NewSum(
		"controller_sync_errors_total",
		"Total number of errorMetric syncing controllers.",
	)

	mu       sync.RWMutex

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

package monitoring_test

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

var (
	protocol = monitoring.CreateLabel("protocol")

	requests = monitoring.NewSum(
		"requests_total",
		"Number of requests handled, by protocol",
	)
)

func ExampleNewSum() {
	// increment on every http request

type SelectMetricFn func(monitoring.MetricDefinition) bool

// DefaultSelectEnvFn is used to select all environment variables.
func DefaultSelectEnvFn(_ env.Var) bool {
	return true
}

// DefaultSelectMetricFn is used to select all metrics.
func DefaultSelectMetricFn(_ monitoring.MetricDefinition) bool {
	return true

> See the [Cluster Monitoring](https://coreos.com/operators/prometheus/docs/latest/user-guides/cluster-monitoring.html) documentation for configuring this.
>
> **Warning**
>
> When the example `PodMonitor` is used with OpenShift Monitoring, it must be created in all namespaces where istio-proxies exist.

#include "xla/service/hlo.pb.h"
#include "tensorflow/core/lib/monitoring/cell_reader.h"
#include "tensorflow/core/lib/monitoring/counter.h"
#include "tsl/platform/statusor.h"

namespace {
using ::tensorflow::monitoring::testing::CellReader;
using ::testing::Not;

constexpr char kMetric[] = "/tensorflow/metric";
auto* counter =
    tensorflow::monitoring::Counter<1>::New(kMetric, "description", "status");

#include "xla/mlir_hlo/mhlo/IR/hlo_ops.h"
#include "tensorflow/core/lib/monitoring/counter.h"
#include "tensorflow/core/platform/errors.h"

namespace mlir {
namespace mhlo {

namespace {

#define GEN_PASS_DEF_VERIFYTFXLALEGALIZATION
#include "tensorflow/compiler/mlir/tf2xla/transforms/xla_legalize_tf_passes.h.inc"

auto* mlir_failed_legalization_op_count =
    tensorflow::monitoring::Counter<1>::New(
        "/tensorflow/core/tf2xla/"

// limitations under the License.

// Package monitoring provides a common instrumentation library for Istio components.
// Use of this library enables collateral generation for collected metrics, as well as
// a consistent developer experience across Istio codebases.

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

package monitoring

// Unit encodes the standard name for describing the quantity
// measured by a Metric (if applicable).
type Unit string

// Predefined units for use with the monitoring package.
const (
	None         Unit = "1"
	Bytes        Unit = "By"
	Seconds      Unit = "s"
	Milliseconds Unit = "ms"

		monitoring.WithEnabled(enableStats),
	)

	xdsCacheSize = monitoring.NewGauge(
		"xds_cache_size",
		"Current size of xds cache",
		monitoring.WithEnabled(enableStats),
	)

	dependentConfigSize = monitoring.NewGauge(
		"xds_cache_dependent_config_size",
		"Current size of dependent configs",
		monitoring.WithEnabled(enableStats),
	)

        files:
          - $all
          - "!**/pkg/monitoring/**"
          - "!**/pkg/tracing/**"
        deny:
          - pkg: go.opentelemetry.io/otel
            desc: "do not use OpenTelemetry directly; use pkg/monitoring"
          - pkg: go.opentelemetry.io/otel/metric
            desc: "do not use OpenTelemetry directly; use pkg/monitoring"
      DenyProtobufV1:
        files:
          - $all
        deny: