// Name represents the name for the service.
  // For Kubernetes, this is the Service name.
  string name = 1;
  // Namespace represents the namespace for the service.
  string namespace = 2;
  // Hostname represents the FQDN of the service.
  // For Kubernetes, this would be <name>.<namespace>.svc.<cluster domain>.
  // TODO: support this field
  string hostname = 3;
  // Address represents the addresses the service can be reached at.

func buildServiceMetadata(svc *model.Service) *structpb.Value {
	return &structpb.Value{
		Kind: &structpb.Value_StructValue{
			StructValue: &structpb.Struct{
				Fields: map[string]*structpb.Value{
					// service fqdn
					"host": {
						Kind: &structpb.Value_StringValue{
							StringValue: string(svc.Hostname),
						},
					},
					// short name of the service
					"name": {
						Kind: &structpb.Value_StringValue{