"istio.io/istio/pkg/util/sets"
)

func (s *Server) ServiceController() *aggregate.Controller {
	return s.environment.ServiceDiscovery.(*aggregate.Controller)
}

// initServiceControllers creates and initializes the service controllers
func (s *Server) initServiceControllers(args *PilotArgs) error {
	serviceControllers := s.ServiceController()

	s.serviceEntryController = serviceentry.NewController(
		s.configController, s.XDSServer,

		s.initNodeUntaintController(args)
	}

	if err := s.initConfigController(args); err != nil {
		return fmt.Errorf("error initializing config controller: %v", err)
	}
	if err := s.initServiceControllers(args); err != nil {
		return fmt.Errorf("error initializing service controllers: %v", err)
	}
	return nil
}

func (s *Server) initNodeUntaintController(args *PilotArgs) {