"targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "sum(rate(istio_requests_total{reporter=\"source\", response_code!~\"5.*\"}[1m])) / sum(rate(istio_requests_total{reporter=\"source\"}[1m]))",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],

	//       namespace

	// Test cases:
	// 1. http case:
	//    client -------> Hits listener 0.0.0.0_80 cluster
	//    Metric is istio_requests_total i.e. HTTP
	//
	// 2. https case:
	//    client ----> Hits no listener -> 0.0.0.0_150001 -> ALLOW_ANY/REGISTRY_ONLY
	//    Metric is istio_tcp_connections_closed_total i.e. TCP
	//
	// 3. https conflict case:

            "uid": "${datasource}"
          },
          "expr": "(sum(irate(container_cpu_usage_seconds_total{namespace!=\"istio-system\",container=\"istio-proxy\"}[1m]))/ (round(sum(irate(istio_requests_total[1m])), 0.001)/1000))/ (sum(irate(istio_requests_total{source_workload=\"istio-ingressgateway\"}[1m])) >bool 10)",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "istio-proxy",
          "refId": "B"

// BuildQueryCommon is the shared function to construct prom query for istio_request_total metric.
func BuildQueryCommon(labels map[string]string, ns string) (sourceQuery, destinationQuery, appQuery prometheus.Query) {
	sourceQuery.Metric = "istio_requests_total"
	sourceQuery.Labels = clone(labels)
	sourceQuery.Labels["reporter"] = "source"

	destinationQuery.Metric = "istio_requests_total"
	destinationQuery.Labels = clone(labels)