"type": "prometheus",
                "uid": "${datasource}"
              },
              "expr": "avg(pilot_virt_services{app=\"istiod\"})",
              "format": "time_series",
              "intervalFactor": 1,
              "legendFormat": "Virtual Services",
              "refId": "A"
            },
            {
              "datasource": {
                "type": "prometheus",

// Exactly one "target" type should be set.
message ExternalMetricSource {
  // metricName is the name of the metric in question.
  optional string metricName = 1;

  // metricSelector is used to identify a specific time series
  // within a given metric.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;

  // targetValue is the target value of the metric (as a quantity).

  // eventTime is the time when this Event was first observed. It is required.
  optional k8s.io.apimachinery.pkg.apis.meta.v1.MicroTime eventTime = 2;

  // series is data about the Event series this event represents or nil if it's a singleton Event.
  // +optional
  optional EventSeries series = 3;

  // reportingController is the name of the controller that emitted this Event, e.g. `kubernetes.io/kubelet`.
  // This field cannot be empty for new Events.

          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "title": "Virtual Services",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"
      },

          "format": "time_series",
          "hide": true,
          "intervalFactor": 2,
          "legendFormat": "heap alloc",
          "refId": "D"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "go_memstats_alloc_bytes{app=\"istiod\"}",
          "format": "time_series",
          "intervalFactor": 2,

          "expr": "round(sum(irate(istio_requests_total{reporter=\"destination\",destination_service=~\"$service\"}[5m])), 0.001)",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "title": "Server Request Volume",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"

  // eventTime is the time when this Event was first observed. It is required.
  optional k8s.io.apimachinery.pkg.apis.meta.v1.MicroTime eventTime = 2;

  // series is data about the Event series this event represents or nil if it's a singleton Event.
  // +optional
  optional EventSeries series = 3;

  // reportingController is the name of the controller that emitted this Event, e.g. `kubernetes.io/kubelet`.
  // This field cannot be empty for new Events.

name: ISTIO_NAMESPACE value: | {{ .Values.global.istioNamespace }} command: - sh - "-c" - |- NODE_ID="sidecar~${INSTANCE_IP}~${POD_NAME}.${POD_NAMESPACE}~cluster.local" SERVER_URI="dns:///istiod.${ISTIO_NAMESPACE}.svc:15010" echo ' { "xds_servers": [ { "server_uri": "'${SERVER_URI}'", "channel_creds": [{"type": "insecure"}], "server_features" : ["xds_v3"] } ], "node": { "id": "'${NODE_ID}'", "metadata": { "GENERATOR": "grpc" } } }' > /var/lib/grpc/data/bootstrap.json containers: {{- range $index, $container...

          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "sum(container_memory_working_set_bytes{container=\"istio-proxy\"})",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 2,
          "legendFormat": "Total (k8s)",
          "refId": "A",
          "step": 2
        }
      ],
      "title": "Memory",

	}
	return canned, nil, nil
}

func (client mockPromAPI) WalReplay(ctx context.Context) (promv1.WalReplayStatus, error) {
	// TODO implement me
	panic("implement me")
}

func (client mockPromAPI) Series(ctx context.Context, matches []string,
	startTime time.Time, endTime time.Time,
) ([]prometheus_model.LabelSet, promv1.Warnings, error) {
	return nil, nil, nil
}