}

func createCoreDNSAddon(deploymentBytes, serviceBytes, configBytes []byte, client clientset.Interface) error {
	coreDNSConfigMap := &v1.ConfigMap{}
	if err := kuberuntime.DecodeInto(clientsetscheme.Codecs.UniversalDecoder(), configBytes, coreDNSConfigMap); err != nil {
		return errors.Wrapf(err, "%s ConfigMap", unableToDecodeCoreDNS)
	}

	// Create the ConfigMap for CoreDNS or update/migrate it in case it already exists

//
// This method is deprecated - clients and servers should negotiate a serializer by mime-type and
// invoke CodecForVersions. Callers that need only to read data should use UniversalDecoder().
//
// TODO: make this call exist only in pkg/api, and initialize it with the set of default versions.
// All other callers will be forced to request a Codec directly.

	data, err := runtime.Encode(legacyscheme.Codecs.LegacyCodec(SchemeGroupVersion), obj)
	if err != nil {
		t.Errorf("%v\n %#v", err, obj)
		return nil
	}
	obj2, err := runtime.Decode(legacyscheme.Codecs.UniversalDecoder(), data)
	if err != nil {
		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
		return nil
	}
	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)

			// right external version, defaulted, and converted into the internal version.
			if err := runtime.DecodeInto(kubeadmscheme.Codecs.UniversalDecoder(), fileContent, initcfg); err != nil {
				return nil, err
			}
			continue
		}
		if kubeadmutil.GroupVersionKindsHasClusterConfiguration(gvk) {

	data, err := runtime.Encode(legacyscheme.Codecs.LegacyCodec(SchemeGroupVersion), obj)
	if err != nil {
		t.Errorf("%v\n %#v", err, obj)
		return nil
	}
	obj2, err := runtime.Decode(legacyscheme.Codecs.UniversalDecoder(), data)
	if err != nil {
		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
		return nil
	}
	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)

	data, err := runtime.Encode(legacyscheme.Codecs.LegacyCodec(SchemeGroupVersion), obj)
	if err != nil {
		t.Errorf("%v\n %#v", err, obj)
		return nil
	}
	obj2, err := runtime.Decode(legacyscheme.Codecs.UniversalDecoder(), data)
	if err != nil {
		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
		return nil
	}
	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)

			klog.Warning(err.Error())
		}

		// As long as we support only component configs with a single kind, this is allowed
		return runtime.DecodeInto(Codecs.UniversalDecoder(), yaml, into)
	}

	return nil
}

// ensureInitializedComponentConfigs is an utility func to initialize the ComponentConfigMap in ClusterConfiguration prior to possible writes to it

	}

	// double check this what the kube JSON decode is doing
	bs, _ := utiljson.Marshal(u.UnstructuredContent())
	kubeObj, _, err := clientgoscheme.Codecs.UniversalDecoder(corev1.SchemeGroupVersion).Decode(bs, nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	pod, ok := kubeObj.(*corev1.Pod)
	if !ok {
		t.Fatalf("expected v1 Pod, got: %T", pod)
	}

		kubeadmapiv1.SchemeGroupVersion.WithKind(constants.ClusterConfigurationKind),
		[]byte(clusterConfigurationData)); err != nil {
		klog.Warning(err.Error())
	}
	if err := runtime.DecodeInto(kubeadmscheme.Codecs.UniversalDecoder(), []byte(clusterConfigurationData), &initcfg.ClusterConfiguration); err != nil {
		return nil, errors.Wrap(err, "failed to decode cluster configuration data")
	}

	if !skipComponentConfigs {

	data, err := runtime.Encode(legacyscheme.Codecs.LegacyCodec(SchemeGroupVersion), obj)
	if err != nil {
		t.Errorf("%v\n %#v", err, obj)
		return nil
	}
	obj2, err := runtime.Decode(legacyscheme.Codecs.UniversalDecoder(), data)
	if err != nil {
		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
		return nil
	}
	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)