if err != nil {
		return "", fmt.Errorf("could not decode generated webhook: %w", err)
	}
	decodedWh := whObject.(*admitv1.MutatingWebhookConfiguration)
	for i := range decodedWh.Webhooks {
		decodedWh.Webhooks[i].ClientConfig.CABundle = []byte(config.CABundle)
		if decodedWh.Webhooks[i].ClientConfig.Service != nil {
			decodedWh.Webhooks[i].ClientConfig.Service.Path = &config.Path
		}
	}
	if opts.WebhookName != "" {

	"istio.io/istio/pkg/kube"
)

func TestTagList(t *testing.T) {
	tcs := []struct {
		name          string
		webhooks      admitv1.MutatingWebhookConfigurationList
		namespaces    corev1.NamespaceList
		outputMatches []string
		error         string
	}{
		{
			name: "TestBasicTag",
			webhooks: admitv1.MutatingWebhookConfigurationList{
				Items: []admitv1.MutatingWebhookConfiguration{
					{

		row.Cells = append(row.Cells, table.NewCell(wa.Reason))
		return row
	})
	w.AddHeader("WEBHOOK", "REVISION", "INJECTED", "REASON")
	injectedTotal := 0
	for _, ws := range was {
		if ws.Injected {
			injectedTotal++
		}
		w.AddRow(ws)
	}
	w.Flush()
	if injectedTotal > 1 {
		fmt.Fprintf(writer, "ERROR: multiple webhooks will inject, which can lead to errors")
	}
	return nil
}

	webhooks, err := client.Kube().AdmissionregistrationV1().MutatingWebhookConfigurations().List(context.Background(), metav1.ListOptions{
		LabelSelector: fmt.Sprintf("%s=%s,!istio.io/tag", label.IoIstioRev.Name, client.Revision()),
	})
	if err != nil {
		return nil, err
	}
	for _, whc := range webhooks.Items {
		for _, wh := range whc.Webhooks {
			if wh.ClientConfig.URL != nil {

			name:     "revision upgrade",
			webhooks: mergeWebhooks(legacyWebhook, revWebhook),
			checks: append([]assertion{
				{empty, objEnabled, ""}, // Legacy one requires namespace label
			}, baseAssertions...),
		},
		{
			// Use new default webhook, while we still have a legacy revision one around.
			name:     "inplace upgrade",

	// find matching hook
	for _, hook := range hooks {
		for _, webhook := range hook.Webhooks {
			nsSelector, err := metav1.LabelSelectorAsSelector(webhook.NamespaceSelector)
			if err != nil {
				continue
			}
			if nsSelector.Matches(api_pkg_labels.Set(namespace.ObjectMeta.Labels)) {
				return &hook
			}
		}

		return fmt.Errorf("expected a single webhook for default revision")
	}
	webhook := whs[0]
	for i := range webhook.Webhooks {
		wh := webhook.Webhooks[i]
		// this is an abomination, but if this isn't a per-revision webhook, we want to make it ineffectual
		// without deleting it. Add a nonsense match.
		wh.NamespaceSelector = util.NeverMatch
		wh.ObjectSelector = util.NeverMatch
		webhook.Webhooks[i] = wh
	}

		if len(wh.Webhooks) != tc.numWebhooks {
			t.Errorf("expected %d webhook(s) in MutatingWebhookConfiguration, found %d",
				tc.numWebhooks, len(wh.Webhooks))
		}
		tag, exists := wh.ObjectMeta.Labels[IstioTagLabel]
		if !exists {
			t.Errorf("expected tag webhook to have %s label, did not find", IstioTagLabel)
		}
		if tag != tc.tagName {

	// Get a list of control planes which are installed in remote clusters
	// In this case, it is possible that they only have webhooks installed.
	webhooks, err := Webhooks(context.Background(), client)
	if err != nil {
		return nil, fmt.Errorf("error while listing mutating webhooks: %v", err)
	}
	for _, hook := range webhooks {
		rev := renderWithDefault(hook.GetLabels()[label.IoIstioRev.Name], DefaultRevisionName)

		return fmt.Errorf("failed to apply tag webhook MutatingWebhookConfiguration to cluster: %v", err)
	}
	fmt.Fprintf(w, tagCreatedStr, tagName, revision, tagName)
	return nil
}

func analyzeWebhook(name, istioNamespace, wh, revision string, config *rest.Config) error {
	sa := local.NewSourceAnalyzer(analysis.Combine("webhook", &webhook.Analyzer{}), "", resource.Namespace(istioNamespace), nil)