return
	}

	go nc.startCaBundleWatcher(stopCh)
	nc.queue.Run(stopCh)
	controllers.ShutdownAll(nc.configmaps, nc.namespaces)
}

// startCaBundleWatcher listens for updates to the CA bundle and update cm in each namespace
func (nc *NamespaceController) startCaBundleWatcher(stop <-chan struct{}) {
	id, watchCh := nc.caBundleWatcher.AddWatcher()

	kube.WaitForCacheSync("validation", stop, c.webhooks.HasSynced)
	go c.startCaBundleWatcher(stop)
	c.queue.Run(stop)
}

// startCaBundleWatcher listens for updates to the CA bundle and patches the webhooks.
// shouldn't we be doing this for both validating and mutating webhooks...?
func (c *Controller) startCaBundleWatcher(stop <-chan struct{}) {
	if c.o.CABundleWatcher == nil {
		return
	}