kubernetes/cmd/kube-controller-manager/app/bootstrap.go

func newBootstrapSignerControllerDescriptor() *ControllerDescriptor { … }

func startBootstrapSignerController(ctx context.Context, controllerContext ControllerContext, controllerName string) (controller.Interface, bool, error) { … }

func newTokenCleanerControllerDescriptor() *ControllerDescriptor { … }

func startTokenCleanerController(ctx context.Context, controllerContext ControllerContext, controllerName string) (controller.Interface, bool, error) { … }