retval[configMap.ObjectMeta.GetLabels()[label.IoIstioRev.Name]] = image
		}
	}

	return retval, nil
}

// 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)

func LastIndexFunc(s []byte, f func(r rune) bool) int {
	return lastIndexFunc(s, f, true)
}

// indexFunc is the same as IndexFunc except that if
// truth==false, the sense of the predicate function is
// inverted.
func indexFunc(s []byte, f func(r rune) bool, truth bool) int {
	start := 0
	for start < len(s) {
		wid := 1
		r := rune(s[start])
		if r >= utf8.RuneSelf {
			r, wid = utf8.DecodeRune(s[start:])
		}

			objectTags:     "tag1=value1&tag2=value2",
			objectModTime:  time.Now().UTC().Add(-24 * time.Hour), // Created 1 day ago
			expectedAction: DeleteAction,
		},
		// Should remove (Tags match with inverted order)
		{