existingConfigMap: createConfigMap(namespaceName, configMapName, map[string]string{}),
			expectedActions: []ktesting.Action{
				ktesting.NewUpdateAction(gvr, namespaceName, createConfigMap(namespaceName, configMapName, testData)),
			},
			expectedErr: "",
		},
		{
			name:              "existing nop ConfigMap",
			existingConfigMap: createConfigMap(namespaceName, configMapName, testData),
			expectedActions:   []ktesting.Action{},

	if label == "" {
		return &v1.ConfigMap{
			ObjectMeta: metav1.ObjectMeta{Namespace: metav1.NamespaceSystem, Name: legacytokentracking.ConfigMapName},
		}
	}
	return &v1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{Namespace: metav1.NamespaceSystem, Name: legacytokentracking.ConfigMapName},
		Data:       map[string]string{legacytokentracking.ConfigMapDataKey: label},
	}
}

			if cast, ok := obj.(*corev1.ConfigMap); ok {
				return cast.Namespace == configMapNamespace && cast.Name == configMapName
			}
			if tombstone, ok := obj.(cache.DeletedFinalStateUnknown); ok {
				if cast, ok := tombstone.Obj.(*corev1.ConfigMap); ok {
					return cast.Namespace == configMapNamespace && cast.Name == configMapName
				}
			}
			return true // always return true just in case.  The checks are fairly cheap
		},

	ic.mu.Lock()
	myic := ic.injectConfig
	ic.mu.Unlock()

	if myic == nil {
		c := ic.ctx.AllClusters().Configs()[0]

		cfgMap, err := ic.getConfigMap(c, ic.configMapName())
		if err != nil {
			return nil, err
		}

		// Get the MeshConfig yaml from the config map.
		icYAML, err := getInjectConfigYaml(cfgMap, "config")
		if err != nil {
			return nil, err
		}

		listOptions.FieldSelector = fields.OneTermEqualSelector("metadata.name", c.configmapName).String()
	})

	c.configmapInformer.AddEventHandler(cache.FilteringResourceEventHandler{
		FilterFunc: func(obj interface{}) bool {
			if cast, ok := obj.(*corev1.ConfigMap); ok {
				return cast.Name == c.configmapName && cast.Namespace == c.configmapNamespace
			}

		configMapName := "istio"
		if rev := deployment.Labels[label.IoIstioRev.Name]; rev != "default" {
			configMapName += fmt.Sprintf("-%s", rev)
		}
		configMap, err := cli.Kube().CoreV1().ConfigMaps(namespace).Get(context.TODO(), configMapName, metav1.GetOptions{})
		if err != nil {
			fmt.Printf("Error getting configmap %s: %v\n", configMapName, err)
		}

}

func volumeSpec(volumeName, configMapName string, defaultMode int32) *v1.Volume {
	return &v1.Volume{
		Name: volumeName,
		VolumeSource: v1.VolumeSource{
			ConfigMap: &v1.ConfigMapVolumeSource{
				LocalObjectReference: v1.LocalObjectReference{
					Name: configMapName,
				},
				DefaultMode: &defaultMode,
			},
		},
	}
}

          secretName: {{ .secretName | quote }}
          optional: true
      {{- end }}
      {{- range $gateway.configVolumes }}
      - name: {{ .name }}
        configMap:
          name: {{ .configMapName | quote }}
          optional: true
      {{- end }}
      affinity:
{{ include "nodeaffinity" (dict "global" .Values.global "nodeSelector" $gateway.nodeSelector) | trim | indent 8 }}

	var lastError error
	err := wait.PollUntilContextTimeout(context.Background(),
		apiCallRetryInterval, kubeadmapi.GetActiveTimeouts().KubernetesAPICall.Duration,
		true, func(_ context.Context) (bool, error) {
			ctx := context.Background()
			if _, err := client.CoreV1().ConfigMaps(cm.ObjectMeta.Namespace).Get(ctx, configMapName, metav1.GetOptions{}); err != nil {

          secretName: {{ .secretName | quote }}
          optional: true
      {{- end }}
      {{- range $gateway.configVolumes }}
      - name: {{ .name }}
        configMap:
          name: {{ .configMapName | quote }}
          optional: true
      {{- end }}
      affinity:
{{ include "nodeaffinity" (dict "global" .Values.global "nodeSelector" $gateway.nodeSelector) | trim | indent 8 }}