tagLabel := hook.GetLabels()[label.IoIstioTag.Name]
		ri, revPresent := revisions[rev]
		if revPresent {
			if tagLabel != "" {
				ri.Webhooks = append(ri.Webhooks, &MutatingWebhookConfigInfo{
					Name:     hook.Name,
					Revision: rev,
					Tag:      tagLabel,
				})
			}
		} else {
			revisions[rev] = &RevisionDescription{
				IstioOperatorCRs: []*IstioOperatorCRInfo{},

- [ ] Extensions and Telemetry
- [ ] Security
- [ ] Test and Release
- [ ] User Experience
- [ ] Developer Infrastructure
- [ ] Upgrade
- [ ] Multi Cluster
- [ ] Virtual Machine
- [ ] Control Plane Revisions

**Please check any characteristics that apply to this pull request.**

# Istio base Helm Chart

This chart installs resources shared by all Istio revisions. This includes Istio CRDs.

## Setup Repo Info

```console
helm repo add istio https://istio-release.storage.googleapis.com/charts
helm repo update
```

_See [helm repo](https://helm.sh/docs/helm/helm_repo/) for command documentation._

## Installing the Chart

To install the chart with the release name `istio-base`:

```console

      - label: "User Experience"
      - label: "Developer Infrastructure"
      - label: "Upgrade"
      - label: "Multi Cluster"
      - label: "Virtual Machine"

   */
  HTTP_1_0("http/1.0"),

  /**
   * A plaintext framing that includes persistent connections.
   *
   * This version of OkHttp implements [RFC 7230][rfc_7230], and tracks revisions to that spec.
   *
   * [rfc_7230]: https://tools.ietf.org/html/rfc7230
   */
  HTTP_1_1("http/1.1"),

  /**
   * Chromium's binary-framed protocol that includes header compression, multiplexing multiple

or any Secondary License (as applicable), including Contributors.

"Derivative Works" shall mean any work, whether in Source Code or other
form, that is based on (or derived from) the Program and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship.

"Modified Works" shall mean any work in Source Code or other form that

}

// podCountByRevision() returns a map of revision->pods, with "<non-Istio>" as the dummy "revision" for uninjected pods
func podCountByRevision(pods []corev1.Pod, expectedRevision string) map[string]revisionCount {
	retval := map[string]revisionCount{}
	for _, pod := range pods {
		revision := extractRevisionFromPod(&pod)
		revisionLabel := revision
		if revision == "" {
			revisionLabel = "<non-Istio>"
		}

}

// GenerateOptions is the group of options needed to generate a tag webhook.
type GenerateOptions struct {
	// Tag is the name of the revision tag to generate.
	Tag string
	// Revision is the revision to associate the revision tag with.
	Revision string
	// WebhookName is an override for the mutating webhook name.
	WebhookName string

  // employed to update Pods in the StatefulSet when a revision is made to
  // Template.
  optional StatefulSetUpdateStrategy updateStrategy = 7;

  // revisionHistoryLimit is the maximum number of revisions that will
  // be maintained in the StatefulSet's revision history. The revision history
  // consists of all revisions not represented by a currently applied

  // employed to update Pods in the StatefulSet when a revision is made to
  // Template.
  optional StatefulSetUpdateStrategy updateStrategy = 7;

  // revisionHistoryLimit is the maximum number of revisions that will
  // be maintained in the StatefulSet's revision history. The revision history
  // consists of all revisions not represented by a currently applied