{Type: v1.NodeInternalIP, Address: "3.3.3.3"},
			},
			wantDNSNames: []string{"hostname-1", "hostname-2", "hostname-3"},
			wantIPs:      []net.IP{netutils.ParseIPSloppy("1.1.1.1"), netutils.ParseIPSloppy("2.2.2.2"), netutils.ParseIPSloppy("3.3.3.3")},
		},
		{
			name: "handle IP and DNS hostnames",
			addresses: []v1.NodeAddress{
				{Type: v1.NodeHostName, Address: "hostname"},

			continue
		}

		switch address.Type {
		case v1.NodeHostName:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			} else {
				seenDNSNames[address.Address] = true
			}
		case v1.NodeExternalIP, v1.NodeInternalIP:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			}

	expected := &ServerRunOptions{
		Options: &controlplaneapiserver.Options{
			GenericServerRunOptions: &apiserveroptions.ServerRunOptions{
				AdvertiseAddress:            netutils.ParseIPSloppy("192.168.10.10"),
				CorsAllowedOriginList:       []string{"10.10.10.100", "10.10.10.200"},
				MaxRequestsInFlight:         400,
				MaxMutatingRequestsInFlight: 200,

	}
	fs.Parse(args)

	// This is a snapshot of expected options parsed by args.
	expected := &Options{
		GenericServerRunOptions: &apiserveroptions.ServerRunOptions{
			AdvertiseAddress:            netutils.ParseIPSloppy("192.168.10.10"),
			CorsAllowedOriginList:       []string{"10.10.10.100", "10.10.10.200"},
			MaxRequestsInFlight:         400,
			MaxMutatingRequestsInFlight: 200,

	// TODO have a "real" external address
	if err := o.RecommendedOptions.SecureServing.MaybeDefaultWithSelfSignedCerts("localhost", nil, []net.IP{netutils.ParseIPSloppy("127.0.0.1")}); err != nil {
		return nil, fmt.Errorf("error creating self-signed certificates: %v", err)
	}

	serverConfig := genericapiserver.NewRecommendedConfig(apiserver.Codecs)

		Kind:      "Node",
		Name:      string("testNode"),
		UID:       types.UID("testNode"),
		Namespace: "",
	}
	testClusterDNSDomain := "TEST"
	clusterNS := "203.0.113.1"
	testClusterDNS := []net.IP{netutils.ParseIPSloppy(clusterNS)}

	configurer := NewConfigurer(recorder, nodeRef, nil, nil, testClusterDNSDomain, "")

	pod := &v1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			UID:         "",
			Name:        "test_pod",

			},
		},
		Extra: Extra{
			APIServerServicePort:   443,
			MasterCount:            1,
			EndpointReconcilerType: reconcilers.MasterCountReconcilerType,
			ServiceIPRange:         net.IPNet{IP: netutils.ParseIPSloppy("10.0.0.0"), Mask: net.CIDRMask(24, 32)},
		},
	}

	storageFactoryConfig := kubeapiserver.NewStorageFactoryConfig()
	storageConfig.StorageObjectCountTracker = config.ControlPlane.Generic.StorageObjectCountTracker

	}

	if !isSecondaryControlPlane {
		checks = addCommonChecks(execer, cfg.KubernetesVersion, &cfg.NodeRegistration, checks)

		// Check if Bridge-netfilter and IPv6 relevant flags are set
		if ip := netutils.ParseIPSloppy(cfg.LocalAPIEndpoint.AdvertiseAddress); ip != nil {
			if !IPV4Check && netutils.IsIPv4(ip) {
				IPV4Check = true
			}
			if !IPV6Check && netutils.IsIPv6(ip) {
				IPV6Check = true
			}
		}

	resourceAnalyzer stats.ResourceAnalyzer,
	kubeCfg *kubeletconfiginternal.KubeletConfiguration,
	tlsOptions *TLSOptions,
	auth AuthInterface,
	tp oteltrace.TracerProvider) {

	address := netutils.ParseIPSloppy(kubeCfg.Address)
	port := uint(kubeCfg.Port)
	klog.InfoS("Starting to listen", "address", address, "port", port)
	handler := NewServer(host, resourceAnalyzer, auth, kubeCfg)

			testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
			defer testKubelet.Cleanup()
			kl := testKubelet.kubelet
			for _, ip := range tc.nodeIPs {
				kl.nodeIPs = append(kl.nodeIPs, netutils.ParseIPSloppy(ip))
			}
			kl.nodeLister = testNodeLister{nodes: []*v1.Node{
				{
					ObjectMeta: metav1.ObjectMeta{Name: string(kl.nodeName)},
					Status: v1.NodeStatus{
						Addresses: tc.nodeAddresses,