defer conn.Close()

	context.AfterFunc(ctx, func() {
		log.Debug("context cancelled - closing conn")
		conn.Close()
	})

	// before doing anything, add the connection to the list of active connections
	z.conns.addConn(conn)
	defer z.conns.deleteConn(conn)

	// get hello message from ztunnel
	m, _, err := readProto[zdsapi.ZdsHello](conn.u, readWriteDeadline, nil)
	if err != nil {
		return err

  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is
  // available.
  // +optional
  optional int32 minReplicas = 2;

  // maxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up.

  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is
  // available.
  // +optional
  optional int32 minReplicas = 2;

  // maxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up.

  // it tries to make the Assigned config the Active config by loading and
  // validating the checkpointed payload identified by Assigned.
  // +optional
  optional NodeConfigSource assigned = 1;

  // Active reports the checkpointed config the node is actively using.
  // Active will represent either the current version of the Assigned config,

          },
          "expr": "avg(envoy_wasm_envoy_wasm_runtime_null_active)",
          "interval": "",
          "legendFormat": "native",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "avg(envoy_wasm_envoy_wasm_runtime_v8_active)",
          "interval": "",
          "legendFormat": "v8",

              },
              "expr": "sum(envoy_cluster_upstream_cx_active{cluster_name=\"xds-grpc\"})",
              "format": "time_series",
              "intervalFactor": 2,
              "legendFormat": "XDS Active Connections",
              "refId": "C",
              "step": 2
            }
          ],
          "title": "XDS Active Connections",
          "type": "timeseries"
        },
        {

		fmt.Sprintf("Comma-separated minimum per-logger level of messages to output, in the form of"+
			" [<logger>:]<level>,[<logger>:]<level>,... or <level> to change all active loggers, "+
			"where logger components can be listed by running \"istioctl x ztunnel-config log <pod-name[.namespace]>\""+
			", and level can be one of %s", levelListString))
	return cmd
}

  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is
  // available.
  // +optional
  optional int32 minReplicas = 2;

  // maxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up.

  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is
  // available.
  // +optional
  optional int32 minReplicas = 2;