allErrs = append(allErrs, validateMetricIdentifier(src.Metric, fldPath.Child("metric"))...)
	allErrs = append(allErrs, validateMetricTarget(src.Target, fldPath.Child("target"))...)

	if src.Target.Value == nil && src.Target.AverageValue == nil {
		allErrs = append(allErrs, field.Required(fldPath.Child("target").Child("averageValue"), "must set either a target value for metric or a per-pod target"))
	}

		}
		*status = autoscalingv2.MetricStatus{
			Type: autoscalingv2.ObjectMetricSourceType,
			Object: &autoscalingv2.ObjectMetricStatus{
				Metric: autoscalingv2.MetricIdentifier{
					Name:     metricSpec.Object.Metric.Name,
					Selector: metricSpec.Object.Metric.Selector,
				},
				Current: autoscalingv2.MetricValueStatus{

					Pods: &autoscaling.PodsMetricSource{
						Metric: autoscaling.MetricIdentifier{},
						Target: autoscaling.MetricTarget{
							Type:         autoscaling.ValueMetricType,
							AverageValue: resource.NewMilliQuantity(100, resource.DecimalSI),
						},
					},
				}},
			},
		},
		msg: "must specify a metric name",
	}, {

  - containerResource:
      container: containerValue
      name: nameValue
      target:
        averageUtilization: 4
        averageValue: "0"
        type: typeValue
        value: "0"
    external:
      metric:
        name: nameValue
        selector:
          matchExpressions:
          - key: keyValue
            operator: operatorValue
            values:
            - valuesValue
          matchLabels:

          },
          "target": {
            "type": "typeValue",
            "value": "0",
            "averageValue": "0",
            "averageUtilization": 4
          },
          "metric": {
            "name": "nameValue",
            "selector": {
              "matchLabels": {
                "matchLabelsKey": "matchLabelsValue"
              },
              "matchExpressions": [
                {

  - containerResource:
      container: containerValue
      name: nameValue
      target:
        averageUtilization: 4
        averageValue: "0"
        type: typeValue
        value: "0"
    external:
      metric:
        name: nameValue
        selector:
          matchExpressions:
          - key: keyValue
            operator: operatorValue
            values:
            - valuesValue
          matchLabels:

  - containerResource:
      container: containerValue
      name: nameValue
      target:
        averageUtilization: 4
        averageValue: "0"
        type: typeValue
        value: "0"
    external:
      metric:
        name: nameValue
        selector:
          matchExpressions:
          - key: keyValue
            operator: operatorValue
            values:
            - valuesValue
          matchLabels:

	metricsTotal := int64(0)
	requestsTotal := int64(0)
	numEntries := 0

	for podName, metric := range metrics {
		request, hasRequest := requests[podName]
		if !hasRequest {
			// we check for missing requests elsewhere, so assuming missing requests == extraneous metrics
			continue
		}

		metricsTotal += metric.Value
		requestsTotal += request
		numEntries++
	}

// limitations under the License.

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",

						Metric: tpb.MetricSelector_ALL_METRICS,
					},
					Mode: tpb.WorkloadMode_SERVER,
				},
				Disabled: &wrappers.BoolValue{Value: true},
			},
			{
				Match: &tpb.MetricSelector{
					MetricMatch: &tpb.MetricSelector_Metric{
						Metric: tpb.MetricSelector_REQUEST_COUNT,
					},
					Mode: tpb.WorkloadMode_CLIENT,
				},
				TagOverrides: map[string]*tpb.MetricsOverrides_TagOverride{