return
	}
	if instance.Endpoint.ServicePortName == "" {
		instance.Endpoint.ServicePortName = instance.ServicePort.Name
	}
	instance.Service = svc
	sd.ip2instance[instance.Endpoint.Address] = append(sd.ip2instance[instance.Endpoint.Address], instance)

	key := fmt.Sprintf("%s:%d", service, instance.ServicePort.Port)
	instanceList := sd.instancesByPortNum[key]
	sd.instancesByPortNum[key] = append(instanceList, instance)

      name: nameValue
    serviceName: serviceNameValue
    servicePort: servicePortValue
  ingressClassName: ingressClassNameValue
  rules:
  - host: hostValue
    http:
      paths:
      - backend:
          resource:
            apiGroup: apiGroupValue
            kind: kindValue
            name: nameValue
          serviceName: serviceNameValue
          servicePort: servicePortValue
        path: pathValue

      name: nameValue
    serviceName: serviceNameValue
    servicePort: servicePortValue
  ingressClassName: ingressClassNameValue
  rules:
  - host: hostValue
    http:
      paths:
      - backend:
          resource:
            apiGroup: apiGroupValue
            kind: kindValue
            name: nameValue
          serviceName: serviceNameValue
          servicePort: servicePortValue
        path: pathValue

        "subresource": "subresourceValue"
      }
    ]
  },
  "spec": {
    "ingressClassName": "ingressClassNameValue",
    "backend": {
      "serviceName": "serviceNameValue",
      "servicePort": "servicePortValue",
      "resource": {
        "apiGroup": "apiGroupValue",
        "kind": "kindValue",
        "name": "nameValue"
      }
    },
    "tls": [
      {
        "hosts": [

			services: []*v1.Service{
				{
					ObjectMeta: metav1.ObjectMeta{Namespace: "one", Name: "alfa"},
					Spec: v1.ServiceSpec{
						Type:      v1.ServiceTypeClusterIP,
						ClusterIP: "hit",
						Ports: []v1.ServicePort{
							{Port: 1234, TargetPort: intstr.FromInt32(1234)},
						},
					},
				},
			},
			endpoints: matchingEndpoints,

			clusterMode:  expectation{error: true},
			endpointMode: expectation{error: true},

	explicitName bool
}

func findServiceTargetPort(servicePort *model.Port, k8sService *v1.Service) serviceTargetPort {
	for _, p := range k8sService.Spec.Ports {
		// TODO(@hzxuzhonghu): check protocol as well as port
		if p.Name == servicePort.Name || p.Port == int32(servicePort.Port) {
			if p.TargetPort.Type == intstr.Int && p.TargetPort.IntVal > 0 {

	se1 := config.Config{
		Meta: config.Meta{GroupVersionKind: gvk.ServiceEntry, Namespace: "default", Name: "se-1"},
		Spec: &networking.ServiceEntry{
			Hosts: []string{"*.google.com"},
			Ports: []*networking.ServicePort{
				{Number: 80, Name: "http-number", Protocol: "http"},
				{Number: 8080, Name: "http2-number", Protocol: "http2"},
			},
			WorkloadSelector: &networking.WorkloadSelector{
				Labels: map[string]string{"app": "foo"},

		external v1beta1.IngressSpec
		internal networking.IngressSpec
	}{
		"service-port-number": {
			external: v1beta1.IngressSpec{
				Backend: &v1beta1.IngressBackend{
					ServiceName: "test-backend",
					ServicePort: intstr.FromInt32(8080),
				},
			},
			internal: networking.IngressSpec{
				DefaultBackend: &networking.IngressBackend{
					Service: &networking.IngressServiceBackend{
						Name: "test-backend",

		ObjectMeta: metav1.ObjectMeta{Namespace: "testnamespace", Name: "s1"},
		Spec:       v1.ServiceSpec{Ports: []v1.ServicePort{{Protocol: "TCP", Port: 10}}}}
	service1v2 := &v1.Service{
		ObjectMeta: metav1.ObjectMeta{Namespace: "testnamespace", Name: "s1"},
		Spec:       v1.ServiceSpec{Ports: []v1.ServicePort{{Protocol: "TCP", Port: 20}}}}
	service2 := &v1.Service{
		ObjectMeta: metav1.ObjectMeta{Namespace: "testnamespace", Name: "s2"},

	http := "HTTP"
	cases := []struct {
		port             corev1.ServicePort
		expectedProtocol string
	}{
		{
			port: corev1.ServicePort{
				Name:     "http",
				Protocol: corev1.ProtocolTCP,
			},
			expectedProtocol: "HTTP",
		},
		{
			port: corev1.ServicePort{
				Name:     "GRPC-port",
				Protocol: corev1.ProtocolTCP,
			},