type NodePorts struct{}

var _ framework.PreFilterPlugin = &NodePorts{}
var _ framework.FilterPlugin = &NodePorts{}
var _ framework.EnqueueExtensions = &NodePorts{}

const (
	// Name is the name of the plugin used in the plugin registry and configurations.
	Name = names.NodePorts

	// preFilterStateKey is the key in CycleState to NodePorts pre-computed data.
	// Using the name of the plugin will likely help us avoid collisions with other plugins.

		err       string
	}{
		{
			name: "basic rule",
			rule: `-A KUBE-NODEPORTS -m comment --comment "ns2/svc2:p80 health check node port" -m tcp -p tcp --dport 30000 -j ACCEPT`,
			parsed: &Rule{
				Raw:             `-A KUBE-NODEPORTS -m comment --comment "ns2/svc2:p80 health check node port" -m tcp -p tcp --dport 30000 -j ACCEPT`,
				Chain:           iptables.Chain("KUBE-NODEPORTS"),

			},
		},
		"nodeports-default-enabled": {
			service: &api.Service{
				Spec: api.ServiceSpec{
					Type: api.ServiceTypeLoadBalancer,
					Ports: []api.ServicePort{
						{
							Port:     27443,
							NodePort: 32001,
						},
						{
							Port:     27444,
							NodePort: 32002,
						},
					},
					AllocateLoadBalancerNodePorts: nil,

				COMMIT
				`),
			output: map[string][]string{
				"filter": {
					`*filter`,
					`:KUBE-SERVICES - [0:0]`,
					`:KUBE-EXTERNAL-SERVICES - [0:0]`,
					`:KUBE-FORWARD - [0:0]`,
					`:KUBE-NODEPORTS - [0:0]`,

)

var (
	// nodePortAllocated indicates the amount of ports allocated by NodePort Service.
	nodePortAllocated = metrics.NewGauge(
		&metrics.GaugeOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "allocated_ports",
			Help:           "Gauge measuring the number of allocated NodePorts for Services",
			StabilityLevel: metrics.ALPHA,
		},
	)

	ImageLocality                   = "ImageLocality"
	InterPodAffinity                = "InterPodAffinity"
	NodeAffinity                    = "NodeAffinity"
	NodeName                        = "NodeName"
	NodePorts                       = "NodePorts"
	NodeResourcesBalancedAllocation = "NodeResourcesBalancedAllocation"
	NodeResourcesFit                = "NodeResourcesFit"
	NodeUnschedulable               = "NodeUnschedulable"

		imagelocality.Name:                   imagelocality.New,
		tainttoleration.Name:                 runtime.FactoryAdapter(fts, tainttoleration.New),
		nodename.Name:                        nodename.New,
		nodeports.Name:                       nodeports.New,
		nodeaffinity.Name:                    nodeaffinity.New,
		podtopologyspread.Name:               runtime.FactoryAdapter(fts, podtopologyspread.New),

			{Name: names.PrioritySort},
			{Name: names.NodeUnschedulable},
			{Name: names.NodeName},
			{Name: names.TaintToleration, Weight: 3},
			{Name: names.NodeAffinity, Weight: 2},
			{Name: names.NodePorts},
			{Name: names.NodeResourcesFit, Weight: 1},
			{Name: names.VolumeRestrictions},
			{Name: names.NodeVolumeLimits},
			{Name: names.VolumeBinding},
			{Name: names.VolumeZone},

		add rule ip6 kube-proxy services ip6 daddr @nodeport-ips meta l4proto . th dport vmap @service-nodeports
		add element ip6 kube-proxy cluster-ips { fd00:172:30::41 }
		add element ip6 kube-proxy nodeport-ips { 2001:db8::1 }
		add element ip6 kube-proxy nodeport-ips { 2001:db8:1::2 }

		-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
		-A PREROUTING -m addrtype --dst-type LOCAL -m comment --comment "handle service NodePorts; NOTE: this must be the last rule in the chain" -j KUBE-NODEPORT-CONTAINER
		-A OUTPUT -m comment --comment "handle ClusterIPs; NOTE: this must be before the NodePort rules" -j KUBE-PORTALS-HOST