//
  // Never: the webhook will not be called more than once in a single admission evaluation.
  //
  // IfNeeded: the webhook will be called at least one additional time as part of the admission evaluation
  // if the object being admitted is modified by other admission plugins after the initial webhook call.
  // Webhooks that specify this option *must* be idempotent, able to process objects they previously admitted.

  // Allowed values are "Never" and "IfNeeded".
  //
  // Never: the webhook will not be called more than once in a single admission evaluation.
  //
  // IfNeeded: the webhook will be called at least one additional time as part of the admission evaluation
  // if the object being admitted is modified by other admission plugins after the initial webhook call.

		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 {

		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
	}

        resources:
          - "*"

    {{- if .Values.base.validationCABundle }}
    # Disable webhook controller in Pilot to stop patching it
    failurePolicy: Fail
    {{- else }}
    # Fail open until the validation webhook is ready. The webhook controller
    # will update this to `Fail` and patch in the `caBundle` when the webhook
    # endpoint is ready.
    failurePolicy: Ignore
    {{- end }}
    sideEffects: None

  // `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]` and `matchPolicy: Equivalent`,
  // an API request to apps/v1beta1 deployments would be converted and sent to the webhook
  // with `kind: {group:"apps", version:"v1", kind:"Deployment"}` (matching the rule the webhook registered for),

		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)

defaults:
  global:
    # Used to locate istiod.
    istioNamespace: "istio-system"

  base:
    # Validation webhook configuration url
    # For example: https://$remotePilotAddress:15017/validate
    validationURL: ""

  istiodRemote:
    # Sidecar injector mutating webhook configuration url
    # For example: https://$remotePilotAddress:15017/inject
    injectionURL: ""

{{- /* Core defines the common configuration used by all webhook segments */}}
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionPath" .Values.istiodRemote.injectionPath
  "injectionURL" .Values.istiodRemote.injectionURL
  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "caBundle" .Values.istiodRemote.injectionCABundle
  "namespace" .Release.Namespace }}

{{- /* Core defines the common configuration used by all webhook segments */}}
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionPath" .Values.istiodRemote.injectionPath
  "injectionURL" .Values.istiodRemote.injectionURL
  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "caBundle" .Values.istiodRemote.injectionCABundle
  "namespace" .Release.Namespace }}