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
			}

          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 }}

          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 }}