registries := []serviceregistry.Simple{
		{
			ProviderID:          "registry1",
			ClusterID:           "cluster1",
			DiscoveryController: memory.NewServiceDiscovery(),
		},
		{
			ProviderID:          "registry2",
			ClusterID:           "cluster2",
			DiscoveryController: memory.NewServiceDiscovery(),
		},
		{
			ProviderID:          provider.Kubernetes,
			ClusterID:           "cluster3",

	}
}

func (c *Controller) addRegistry(registry serviceregistry.Instance, stop <-chan struct{}) {
	added := false
	if registry.Provider() == provider.Kubernetes {
		for i, r := range c.registries {
			if r.Provider() != provider.Kubernetes {
				// insert the registry in the position of the first non kubernetes registry

	for k, v := range kl.nodeLabels {
		if cv, found := node.ObjectMeta.Labels[k]; found {
			klog.InfoS("the node label will overwrite default setting", "labelKey", k, "labelValue", v, "default", cv)
		}
		node.ObjectMeta.Labels[k] = v
	}

	if kl.providerID != "" {
		node.Spec.ProviderID = kl.providerID
	}

	if kl.cloud != nil {

  name: node-default-pool-something
  resourceVersion: "211582541"
  selfLink: /api/v1/nodes/node-default-pool-something
  uid: 0c24d0e1-a265-11e9-abe4-42010a80026b
spec:
  podCIDR: 10.0.0.1/24
  providerID: some-provider-id-of-some-sort
status:
  addresses:
  - address: 10.0.0.1
    type: InternalIP
  - address: 192.168.0.1
    type: ExternalIP
  - address: node-default-pool-something
    type: Hostname
  allocatable:

		"NodeStatusUpdateFrequency.Duration",
		"NodeStatusReportFrequency.Duration",
		"OOMScoreAdj",
		"PodCIDR",
		"PodPidsLimit",
		"PodsPerCore",
		"Port",
		"ProtectKernelDefaults",
		"ProviderID",
		"ReadOnlyPort",
		"RegisterNode",
		"RegistryBurst",
		"RegistryPullQPS",
		"ReservedMemory",
		"ReservedSystemCPUs",
		"RegisterWithTaints",
		"RuntimeRequestTimeout.Duration",
		"RunOnce",

  name: node-default-pool-something
  resourceVersion: "211582541"
  selfLink: /api/v1/nodes/node-default-pool-something
  uid: 0c24d0e1-a265-11e9-abe4-42010a80026b
spec:
  podCIDR: 10.0.0.1/24
  providerID: some-provider-id-of-some-sort
status:
  addresses:
  - address: 10.0.0.1
    type: InternalIP
  - address: 192.168.0.1
    type: ExternalIP
  - address: node-default-pool-something
    type: Hostname
  allocatable:

	for _, instance := range opts.Instances {
		msd.AddInstance(instance)
	}
	msd.AddGateways(opts.Gateways...)
	msd.ClusterID = cluster2.ID(provider.Mock)
	memserviceRegistry := serviceregistry.Simple{
		ClusterID:           cluster2.ID(provider.Mock),
		ProviderID:          provider.Mock,
		DiscoveryController: msd,
	}
	serviceDiscovery.AddRegistry(memserviceRegistry)
	for _, reg := range opts.ServiceRegistries {

// each exec credential provider. Kubelet reads this configuration from disk and enables
// each provider as specified by the CredentialProvider type.
type CredentialProviderConfig struct {
	metav1.TypeMeta

	// providers is a list of credential provider plugins that will be enabled by the kubelet.
	// Multiple providers may match against a single image, in which case credentials

)

type WSAProtocolInfo struct {
	ServiceFlags1     uint32
	ServiceFlags2     uint32
	ServiceFlags3     uint32
	ServiceFlags4     uint32
	ProviderFlags     uint32
	ProviderId        GUID
	CatalogEntryId    uint32
	ProtocolChain     WSAProtocolChain
	Version           int32
	AddressFamily     int32
	MaxSockAddr       int32
	MinSockAddr       int32
	SocketType        int32

	fs.StringVar(&f.CloudProvider, "cloud-provider", f.CloudProvider, "The provider for cloud services. Set to empty string for running with no cloud provider. Set to 'external' for running with an external cloud provider. If set, the cloud provider determines the name of the node (consult cloud provider documentation to determine if and how the hostname is used).")