}

// 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()
	defer nc.caBundleWatcher.RemoveWatcher(id)
	for {
		select {
		case <-watchCh:
			for _, ns := range nc.namespaces.List("", labels.Everything()) {
				nc.namespaceChange(ns)
			}
		case <-stop:

	return err
}

// startCaBundleWatcher listens for updates to the CA bundle and patches the webhooks.
func (w *WebhookCertPatcher) startCaBundleWatcher(stop <-chan struct{}) {
	id, watchCh := w.CABundleWatcher.AddWatcher()
	defer w.CABundleWatcher.RemoveWatcher(id)
	for {
		select {
		case <-watchCh:
			for _, whc := range w.webhooks.List("", klabels.Everything()) {
				log.Debugf("updating caBundle for webhook %q", whc.Name)

    private PatternMatchers() {
        addMatcher(ExactPatternMatcher.INSTANCE);
        addMatcher(RegexpPatternMatcher.INSTANCE);
        addMatcher(ExactOrRegexpPatternMatcher.INSTANCE);
        addMatcher(GlobPatternMatcher.INSTANCE);
    }

    private void addMatcher(PatternMatcher instance) {
        matchers.put(instance.getName(), instance);
    }