mock.HelloService.DeepCopy(),
		mock.ExtHTTPService.DeepCopy(),
	)
	for _, port := range mock.HelloService.Ports {
		discovery1.AddInstance(mock.MakeServiceInstance(mock.HelloService, port, 0, model.Locality{}))
		discovery1.AddInstance(mock.MakeServiceInstance(mock.HelloService, port, 1, model.Locality{}))
	}

	discovery2 := memory.NewServiceDiscovery(mock.ReplicatedFooServiceV2.DeepCopy(),
		mock.WorldService.DeepCopy(),

var PortHTTPName = "http"

type ServiceArgs struct {
	Hostname        host.Name
	Address         string
	ServiceAccounts []string
	ClusterID       cluster.ID
}

func MakeServiceInstance(service *model.Service, port *model.Port, version int, locality model.Locality) *model.ServiceInstance {
	if service.External() {
		return nil
	}

	// we make port 80 same as endpoint port, otherwise, it's distinct