func (s *KubeControllerManagerOptions) Flags(allControllers []string, disabledByDefaultControllers []string, controllerAliases map[string]string) cliflag.NamedFlagSets {
	fss := cliflag.NamedFlagSets{}
	s.Generic.AddFlags(&fss, allControllers, disabledByDefaultControllers, controllerAliases)
	s.KubeCloudShared.AddFlags(fss.FlagSet("generic"))
	s.ServiceController.AddFlags(fss.FlagSet(cpnames.ServiceLBController))

			ClientName: "node-controller",
		},
		Constructor: nodeIpamController.StartNodeIpamControllerWrapper,
	}
	controllerAliases["nodeipam"] = kcmnames.NodeIpamController

	command := app.NewCloudControllerManagerCommand(ccmOptions, cloudInitializer, controllerInitializers, controllerAliases, fss, wait.NeverStop)
	code := cli.Run(command)
	os.Exit(code)
}

}

// KnownControllers returns all known controllers's name
func KnownControllers() []string {
	return sets.StringKeySet(NewControllerDescriptors()).List()
}

// ControllerAliases returns a mapping of aliases to canonical controller names
func ControllerAliases() map[string]string {
	aliases := map[string]string{}
	for name, c := range NewControllerDescriptors() {
		for _, alias := range c.GetAliases() {
			aliases[alias] = name

	s, err := options.NewKubeControllerManagerOptions()
	if err != nil {
		return TestServer{}, err
	}
	all, disabled, aliases := app.KnownControllers(), app.ControllersDisabledByDefault(), app.ControllerAliases()
	namedFlagSets := s.Flags(all, disabled, aliases)
	for _, f := range namedFlagSets.FlagSets {
		fs.AddFlagSet(f)
	}
	fs.Parse(customFlags)

	if s.SecureServing.BindPort != 0 {

	}

	if err := opts.Validate(allControllers, disabledByDefaultControllers, controllerAliases); err != nil {
		t.Errorf("expected no error, error found %v", err)
	}

	cfg := &kubecontrollerconfig.Config{}
	if err := opts.ApplyTo(cfg, allControllers, disabledByDefaultControllers, controllerAliases); err != nil {
		t.Errorf("expected no error, error found %v", err)
	}