options.FieldSelector = fieldSelector
			return client.CoreV1().Nodes().List(ctx, options)
		},
		WatchFunc: func(options metav1.ListOptions) (i watch.Interface, e error) {
			options.FieldSelector = fieldSelector
			return client.CoreV1().Nodes().Watch(ctx, options)
		},
	}
	condition := func(event watch.Event) (bool, error) {
		// don't process delete events

	backoff := wait.Backoff{
		Steps:    6,
		Duration: 1 * time.Second,
		Factor:   2.0,
		Jitter:   0.2,
	}

	err := wait.ExponentialBackoff(backoff, func() (bool, error) {
		node, err := client.CoreV1().Nodes().Get(ctx, name, metav1.GetOptions{})
		if err != nil {
			logger.Error(err, "Failed to retrieve node info")
			return false, nil
		}
		nodeIPs, err = utilnode.GetNodeHostIPs(node)

func NewConfigurer(recorder record.EventRecorder, nodeRef *v1.ObjectReference, nodeIPs []net.IP, clusterDNS []net.IP, clusterDomain, resolverConfig string) *Configurer {
	return &Configurer{
		recorder:         recorder,
		getHostDNSConfig: getHostDNSConfig,
		nodeRef:          nodeRef,
		nodeIPs:          nodeIPs,
		clusterDNS:       clusterDNS,
		ClusterDomain:    clusterDomain,
		ResolverConfig:   resolverConfig,

) Setter {
	var nodeIP, secondaryNodeIP net.IP
	if len(nodeIPs) > 0 {
		nodeIP = nodeIPs[0]
	}
	preferIPv4 := nodeIP == nil || nodeIP.To4() != nil
	isPreferredIPFamily := func(ip net.IP) bool { return (ip.To4() != nil) == preferIPv4 }
	nodeIPSpecified := nodeIP != nil && !nodeIP.IsUnspecified()

	if len(nodeIPs) > 1 {
		secondaryNodeIP = nodeIPs[1]
	}

	markMasq bool
}

// newNFTablesTracer creates an nftablesTracer. nodeIPs are the IP to treat as local node
// IPs (for determining whether rules with "fib saddr type local" or "fib daddr type
// local" match).
func newNFTablesTracer(t *testing.T, nft *knftables.Fake, nodeIPs []string) *nftablesTracer {
	return &nftablesTracer{
		nft:     nft,
		nodeIPs: sets.New(nodeIPs...),
		t:       t,
	}
}

		for _, val := range values {
			ret = append(ret, strings.Replace(pattern, varName, val, -1))
		}
	}
	return ret
}

func getStatsOptions(meta *model.BootstrapNodeMetadata) []option.Instance {
	nodeIPs := meta.InstanceIPs
	config := meta.ProxyConfig

	tagAnno := meta.Annotations[annotation.SidecarExtraStatTags.Name]
	prefixAnno := meta.Annotations[annotation.SidecarStatsInclusionPrefixes.Name]

			}

			envoyOptions := envoy.ProxyConfig{
				LogLevel:          proxyArgs.ProxyLogLevel,
				ComponentLogLevel: proxyArgs.ProxyComponentLogLevel,
				LogAsJSON:         loggingOptions.JSONEncoding,
				NodeIPs:           proxyArgs.IPAddresses,
				Sidecar:           proxyArgs.Type == model.SidecarProxy,
				OutlierLogPath:    proxyArgs.OutlierLogPath,
			}
			agentOptions := options.NewAgentOptions(&proxyArgs, proxyConfig, sds)

	// start with the new node
	client := clientsetfake.NewSimpleClientset()
	client.AddReactor("list", "nodes", func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
		obj := &v1.NodeList{}
		return true, obj, nil
	})
	fakeWatch := watch.NewFake()
	client.PrependWatchReactor("nodes", clientgotesting.DefaultWatchReactor(fakeWatch, nil))

	go func() {
		fakeWatch.Add(node)

	_, err := kl.kubeClient.CoreV1().Nodes().Create(context.TODO(), node, metav1.CreateOptions{})
	if err == nil {
		kl.nodeStartupLatencyTracker.RecordRegisteredNewNode()
		return true
	}

	if !apierrors.IsAlreadyExists(err) {
		klog.ErrorS(err, "Unable to register node with API server", "node", klog.KObj(node))
		return false
	}

	nodes := make([]*corev1.Node, 0, opts.nodes)
	pods := make([]*corev1.Pod, 0, opts.nodes*opts.podsPerNode)
	pvs := make([]*corev1.PersistentVolume, 0, (opts.nodes*opts.podsPerNode*opts.uniquePVCsPerPod)+(opts.sharedPVCsPerPod*opts.namespaces))
	attachments := make([]*storagev1.VolumeAttachment, 0, opts.nodes*opts.attachmentsPerNode)