Namespace:        "default",
				Domain:           "svc.cluster.local",
				GroupVersionKind: gvk.DestinationRule,
			},
			&core.Metadata{
				FilterMetadata: map[string]*structpb.Struct{},
			},
			&core.Metadata{
				FilterMetadata: map[string]*structpb.Struct{
					IstioMetadataKey: {
						Fields: map[string]*structpb.Value{
							"config": {
								Kind: &structpb.Value_StringValue{

                            "healthCheckConfig": {}
                        },
                        "healthStatus": "HEALTHY",
                        "metadata": {
                            "filterMetadata": {
                                "istio": {
                                    "workload": "cert-manager-istio-csr;cert-manager;;;Kubernetes"
                                }
                            }

      metadata:
        filterMetadata:
          istio:
            workload: coredns;kube-system;;;Kubernetes
    - endpoint:
        address:
          socketAddress:
            address: 10.244.0.3
            portValue: 53
        healthCheckConfig: {}
      healthStatus: HEALTHY
      loadBalancingWeight: 1
      metadata:
        filterMetadata:
          istio:

	}

	if metadata == nil {
		metadata = &core.Metadata{
			FilterMetadata: map[string]*structpb.Struct{},
		}
	}

	if _, ok := metadata.FilterMetadata[IstioMetadataKey]; !ok {
		metadata.FilterMetadata[IstioMetadataKey] = &structpb.Struct{
			Fields: map[string]*structpb.Value{},
		}
	}

	metadata.FilterMetadata[IstioMetadataKey].Fields["alpn_override"] = &structpb.Value{

		cluster.Metadata = &core.Metadata{
			FilterMetadata: map[string]*structpb.Struct{},
		}
	}
	// Create Istio metadata if does not exist yet
	if _, ok := cluster.Metadata.FilterMetadata[util.IstioMetadataKey]; !ok {
		cluster.Metadata.FilterMetadata[util.IstioMetadataKey] = &structpb.Struct{
			Fields: map[string]*structpb.Value{},
		}
	}
	return cluster.Metadata.FilterMetadata[util.IstioMetadataKey]

		}}
		ep.Metadata.FilterMetadata[util.OriginalDstMetadataKey] = util.BuildTunnelMetadataStruct(address, port)
		if b.dir != model.TrafficDirectionInboundVIP {
			// Add TLS metadata matcher to indicate we can use HBONE for this endpoint.
			// We skip this for service waypoint, which doesn't need to dynamically match mTLS vs HBONE.
			ep.Metadata.FilterMetadata[util.EnvoyTransportSocketMetadataKey] = &structpb.Struct{

			// check workload metadata
			var gotWorkloadMetadata []string
			for _, llbEndpoints := range filtered {
				for _, ep := range llbEndpoints.LbEndpoints {
					metadata := ep.Metadata.FilterMetadata[util.IstioMetadataKey].Fields["workload"].GetStringValue()
					gotWorkloadMetadata = append(gotWorkloadMetadata, metadata)
				}
			}
			if !slices.Equal(gotWorkloadMetadata, tt.wantWorkloadMetadata) {

                          503
                        ]
                      },
                      "max_grpc_timeout": "0s"
                    },
                    "metadata": {
                      "filter_metadata": {
                        "istio": {
                          "config": "/apis/networking.istio.io/v1alpha3/namespaces/default/virtual-service/bookinfo"
                        }
                      }