17723172333

Committed 15 Sep 2025 05:35AM UTC coverage: 21.04% (-0.2%) from 21.229%

Build # 17723172333

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push

github

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web-flow

Commit Message

fix(deps): update module github.com/puzpuzpuz/xsync/v4 to v4.2.0 (#5722)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

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1.2

/pkg/controller/controller.go

package controller

import (
        "context"
        "fmt"
        "runtime"
        "strings"
        "time"

        netAttach "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/client/informers/externalversions"
        netAttachv1 "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/client/listers/k8s.cni.cncf.io/v1"
        "github.com/puzpuzpuz/xsync/v4"
        "golang.org/x/time/rate"
        corev1 "k8s.io/api/core/v1"
        metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
        "k8s.io/apimachinery/pkg/labels"
        utilruntime "k8s.io/apimachinery/pkg/util/runtime"
        "k8s.io/apimachinery/pkg/util/wait"
        kubeinformers "k8s.io/client-go/informers"
        "k8s.io/client-go/kubernetes/scheme"
        typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
        appsv1 "k8s.io/client-go/listers/apps/v1"
        certListerv1 "k8s.io/client-go/listers/certificates/v1"
        v1 "k8s.io/client-go/listers/core/v1"
        discoveryv1 "k8s.io/client-go/listers/discovery/v1"
        netv1 "k8s.io/client-go/listers/networking/v1"
        "k8s.io/client-go/tools/cache"
        "k8s.io/client-go/tools/record"
        "k8s.io/client-go/util/workqueue"
        "k8s.io/klog/v2"
        "k8s.io/utils/keymutex"
        v1alpha1 "sigs.k8s.io/network-policy-api/apis/v1alpha1"
        anpinformer "sigs.k8s.io/network-policy-api/pkg/client/informers/externalversions"
        anplister "sigs.k8s.io/network-policy-api/pkg/client/listers/apis/v1alpha1"

        "github.com/kubeovn/kube-ovn/pkg/informer"

        kubeovnv1 "github.com/kubeovn/kube-ovn/pkg/apis/kubeovn/v1"
        kubeovninformer "github.com/kubeovn/kube-ovn/pkg/client/informers/externalversions"
        kubeovnlister "github.com/kubeovn/kube-ovn/pkg/client/listers/kubeovn/v1"
        ovnipam "github.com/kubeovn/kube-ovn/pkg/ipam"
        "github.com/kubeovn/kube-ovn/pkg/ovs"
        "github.com/kubeovn/kube-ovn/pkg/util"
)

const controllerAgentName = "kube-ovn-controller"

const (
        logicalSwitchKey              = "ls"
        logicalRouterKey              = "lr"
        portGroupKey                  = "pg"
        networkPolicyKey              = "np"
        sgKey                         = "sg"
        associatedSgKeyPrefix         = "associated_sg_"
        sgsKey                        = "security_groups"
        u2oKey                        = "u2o"
        adminNetworkPolicyKey         = "anp"
        baselineAdminNetworkPolicyKey = "banp"
)

// Controller is kube-ovn main controller that watch ns/pod/node/svc/ep and operate ovn
type Controller struct {
        config *Configuration

        ipam           *ovnipam.IPAM
        namedPort      *NamedPort
        anpPrioNameMap map[int32]string
        anpNamePrioMap map[string]int32

        OVNNbClient ovs.NbClient
        OVNSbClient ovs.SbClient

        // ExternalGatewayType define external gateway type, centralized
        ExternalGatewayType string

        podsLister             v1.PodLister
        podsSynced             cache.InformerSynced
        addOrUpdatePodQueue    workqueue.TypedRateLimitingInterface[string]
        deletePodQueue         workqueue.TypedRateLimitingInterface[string]
        deletingPodObjMap      *xsync.Map[string, *corev1.Pod]
        deletingNodeObjMap     *xsync.Map[string, *corev1.Node]
        updatePodSecurityQueue workqueue.TypedRateLimitingInterface[string]
        podKeyMutex            keymutex.KeyMutex

        vpcsLister           kubeovnlister.VpcLister
        vpcSynced            cache.InformerSynced
        addOrUpdateVpcQueue  workqueue.TypedRateLimitingInterface[string]
        vpcLastPoliciesMap   *xsync.Map[string, string]
        delVpcQueue          workqueue.TypedRateLimitingInterface[*kubeovnv1.Vpc]
        updateVpcStatusQueue workqueue.TypedRateLimitingInterface[string]
        vpcKeyMutex          keymutex.KeyMutex

        vpcNatGatewayLister           kubeovnlister.VpcNatGatewayLister
        vpcNatGatewaySynced           cache.InformerSynced
        addOrUpdateVpcNatGatewayQueue workqueue.TypedRateLimitingInterface[string]
        delVpcNatGatewayQueue         workqueue.TypedRateLimitingInterface[string]
        initVpcNatGatewayQueue        workqueue.TypedRateLimitingInterface[string]
        updateVpcEipQueue             workqueue.TypedRateLimitingInterface[string]
        updateVpcFloatingIPQueue      workqueue.TypedRateLimitingInterface[string]
        updateVpcDnatQueue            workqueue.TypedRateLimitingInterface[string]
        updateVpcSnatQueue            workqueue.TypedRateLimitingInterface[string]
        updateVpcSubnetQueue          workqueue.TypedRateLimitingInterface[string]
        vpcNatGwKeyMutex              keymutex.KeyMutex

        vpcEgressGatewayLister           kubeovnlister.VpcEgressGatewayLister
        vpcEgressGatewaySynced           cache.InformerSynced
        addOrUpdateVpcEgressGatewayQueue workqueue.TypedRateLimitingInterface[string]
        delVpcEgressGatewayQueue         workqueue.TypedRateLimitingInterface[string]
        vpcEgressGatewayKeyMutex         keymutex.KeyMutex

        switchLBRuleLister      kubeovnlister.SwitchLBRuleLister
        switchLBRuleSynced      cache.InformerSynced
        addSwitchLBRuleQueue    workqueue.TypedRateLimitingInterface[string]
        updateSwitchLBRuleQueue workqueue.TypedRateLimitingInterface[*SlrInfo]
        delSwitchLBRuleQueue    workqueue.TypedRateLimitingInterface[*SlrInfo]

        vpcDNSLister           kubeovnlister.VpcDnsLister
        vpcDNSSynced           cache.InformerSynced
        addOrUpdateVpcDNSQueue workqueue.TypedRateLimitingInterface[string]
        delVpcDNSQueue         workqueue.TypedRateLimitingInterface[string]

        subnetsLister           kubeovnlister.SubnetLister
        subnetSynced            cache.InformerSynced
        addOrUpdateSubnetQueue  workqueue.TypedRateLimitingInterface[string]
        subnetLastVpcNameMap    *xsync.Map[string, string]
        deleteSubnetQueue       workqueue.TypedRateLimitingInterface[*kubeovnv1.Subnet]
        updateSubnetStatusQueue workqueue.TypedRateLimitingInterface[string]
        syncVirtualPortsQueue   workqueue.TypedRateLimitingInterface[string]
        subnetKeyMutex          keymutex.KeyMutex

        ippoolLister            kubeovnlister.IPPoolLister
        ippoolSynced            cache.InformerSynced
        addOrUpdateIPPoolQueue  workqueue.TypedRateLimitingInterface[string]
        updateIPPoolStatusQueue workqueue.TypedRateLimitingInterface[string]
        deleteIPPoolQueue       workqueue.TypedRateLimitingInterface[*kubeovnv1.IPPool]
        ippoolKeyMutex          keymutex.KeyMutex

        ipsLister     kubeovnlister.IPLister
        ipSynced      cache.InformerSynced
        addIPQueue    workqueue.TypedRateLimitingInterface[string]
        updateIPQueue workqueue.TypedRateLimitingInterface[string]
        delIPQueue    workqueue.TypedRateLimitingInterface[*kubeovnv1.IP]

        virtualIpsLister          kubeovnlister.VipLister
        virtualIpsSynced          cache.InformerSynced
        addVirtualIPQueue         workqueue.TypedRateLimitingInterface[string]
        updateVirtualIPQueue      workqueue.TypedRateLimitingInterface[string]
        updateVirtualParentsQueue workqueue.TypedRateLimitingInterface[string]
        delVirtualIPQueue         workqueue.TypedRateLimitingInterface[*kubeovnv1.Vip]

        iptablesEipsLister     kubeovnlister.IptablesEIPLister
        iptablesEipSynced      cache.InformerSynced
        addIptablesEipQueue    workqueue.TypedRateLimitingInterface[string]
        updateIptablesEipQueue workqueue.TypedRateLimitingInterface[string]
        resetIptablesEipQueue  workqueue.TypedRateLimitingInterface[string]
        delIptablesEipQueue    workqueue.TypedRateLimitingInterface[string]

        iptablesFipsLister     kubeovnlister.IptablesFIPRuleLister
        iptablesFipSynced      cache.InformerSynced
        addIptablesFipQueue    workqueue.TypedRateLimitingInterface[string]
        updateIptablesFipQueue workqueue.TypedRateLimitingInterface[string]
        delIptablesFipQueue    workqueue.TypedRateLimitingInterface[string]

        iptablesDnatRulesLister     kubeovnlister.IptablesDnatRuleLister
        iptablesDnatRuleSynced      cache.InformerSynced
        addIptablesDnatRuleQueue    workqueue.TypedRateLimitingInterface[string]
        updateIptablesDnatRuleQueue workqueue.TypedRateLimitingInterface[string]
        delIptablesDnatRuleQueue    workqueue.TypedRateLimitingInterface[string]

        iptablesSnatRulesLister     kubeovnlister.IptablesSnatRuleLister
        iptablesSnatRuleSynced      cache.InformerSynced
        addIptablesSnatRuleQueue    workqueue.TypedRateLimitingInterface[string]
        updateIptablesSnatRuleQueue workqueue.TypedRateLimitingInterface[string]
        delIptablesSnatRuleQueue    workqueue.TypedRateLimitingInterface[string]

        ovnEipsLister     kubeovnlister.OvnEipLister
        ovnEipSynced      cache.InformerSynced
        addOvnEipQueue    workqueue.TypedRateLimitingInterface[string]
        updateOvnEipQueue workqueue.TypedRateLimitingInterface[string]
        resetOvnEipQueue  workqueue.TypedRateLimitingInterface[string]
        delOvnEipQueue    workqueue.TypedRateLimitingInterface[string]

        ovnFipsLister     kubeovnlister.OvnFipLister
        ovnFipSynced      cache.InformerSynced
        addOvnFipQueue    workqueue.TypedRateLimitingInterface[string]
        updateOvnFipQueue workqueue.TypedRateLimitingInterface[string]
        delOvnFipQueue    workqueue.TypedRateLimitingInterface[string]

        ovnSnatRulesLister     kubeovnlister.OvnSnatRuleLister
        ovnSnatRuleSynced      cache.InformerSynced
        addOvnSnatRuleQueue    workqueue.TypedRateLimitingInterface[string]
        updateOvnSnatRuleQueue workqueue.TypedRateLimitingInterface[string]
        delOvnSnatRuleQueue    workqueue.TypedRateLimitingInterface[string]

        ovnDnatRulesLister     kubeovnlister.OvnDnatRuleLister
        ovnDnatRuleSynced      cache.InformerSynced
        addOvnDnatRuleQueue    workqueue.TypedRateLimitingInterface[string]
        updateOvnDnatRuleQueue workqueue.TypedRateLimitingInterface[string]
        delOvnDnatRuleQueue    workqueue.TypedRateLimitingInterface[string]

        providerNetworksLister kubeovnlister.ProviderNetworkLister
        providerNetworkSynced  cache.InformerSynced

        vlansLister     kubeovnlister.VlanLister
        vlanSynced      cache.InformerSynced
        addVlanQueue    workqueue.TypedRateLimitingInterface[string]
        delVlanQueue    workqueue.TypedRateLimitingInterface[string]
        updateVlanQueue workqueue.TypedRateLimitingInterface[string]
        vlanKeyMutex    keymutex.KeyMutex

        namespacesLister  v1.NamespaceLister
        namespacesSynced  cache.InformerSynced
        addNamespaceQueue workqueue.TypedRateLimitingInterface[string]
        nsKeyMutex        keymutex.KeyMutex

        nodesLister     v1.NodeLister
        nodesSynced     cache.InformerSynced
        addNodeQueue    workqueue.TypedRateLimitingInterface[string]
        updateNodeQueue workqueue.TypedRateLimitingInterface[string]
        deleteNodeQueue workqueue.TypedRateLimitingInterface[string]
        nodeKeyMutex    keymutex.KeyMutex

        servicesLister     v1.ServiceLister
        serviceSynced      cache.InformerSynced
        addServiceQueue    workqueue.TypedRateLimitingInterface[string]
        deleteServiceQueue workqueue.TypedRateLimitingInterface[*vpcService]
        updateServiceQueue workqueue.TypedRateLimitingInterface[*updateSvcObject]
        svcKeyMutex        keymutex.KeyMutex

        endpointSlicesLister          discoveryv1.EndpointSliceLister
        endpointSlicesSynced          cache.InformerSynced
        addOrUpdateEndpointSliceQueue workqueue.TypedRateLimitingInterface[string]
        epKeyMutex                    keymutex.KeyMutex

        deploymentsLister appsv1.DeploymentLister
        deploymentsSynced cache.InformerSynced

        npsLister     netv1.NetworkPolicyLister
        npsSynced     cache.InformerSynced
        updateNpQueue workqueue.TypedRateLimitingInterface[string]
        deleteNpQueue workqueue.TypedRateLimitingInterface[string]
        npKeyMutex    keymutex.KeyMutex

        sgsLister          kubeovnlister.SecurityGroupLister
        sgSynced           cache.InformerSynced
        addOrUpdateSgQueue workqueue.TypedRateLimitingInterface[string]
        delSgQueue         workqueue.TypedRateLimitingInterface[string]
        syncSgPortsQueue   workqueue.TypedRateLimitingInterface[string]
        sgKeyMutex         keymutex.KeyMutex

        qosPoliciesLister    kubeovnlister.QoSPolicyLister
        qosPolicySynced      cache.InformerSynced
        addQoSPolicyQueue    workqueue.TypedRateLimitingInterface[string]
        updateQoSPolicyQueue workqueue.TypedRateLimitingInterface[string]
        delQoSPolicyQueue    workqueue.TypedRateLimitingInterface[string]

        configMapsLister v1.ConfigMapLister
        configMapsSynced cache.InformerSynced

        anpsLister     anplister.AdminNetworkPolicyLister
        anpsSynced     cache.InformerSynced
        addAnpQueue    workqueue.TypedRateLimitingInterface[string]
        updateAnpQueue workqueue.TypedRateLimitingInterface[*AdminNetworkPolicyChangedDelta]
        deleteAnpQueue workqueue.TypedRateLimitingInterface[*v1alpha1.AdminNetworkPolicy]
        anpKeyMutex    keymutex.KeyMutex

        dnsNameResolversLister          kubeovnlister.DNSNameResolverLister
        dnsNameResolversSynced          cache.InformerSynced
        addOrUpdateDNSNameResolverQueue workqueue.TypedRateLimitingInterface[string]
        deleteDNSNameResolverQueue      workqueue.TypedRateLimitingInterface[*kubeovnv1.DNSNameResolver]

        banpsLister     anplister.BaselineAdminNetworkPolicyLister
        banpsSynced     cache.InformerSynced
        addBanpQueue    workqueue.TypedRateLimitingInterface[string]
        updateBanpQueue workqueue.TypedRateLimitingInterface[*AdminNetworkPolicyChangedDelta]
        deleteBanpQueue workqueue.TypedRateLimitingInterface[*v1alpha1.BaselineAdminNetworkPolicy]
        banpKeyMutex    keymutex.KeyMutex

        csrLister           certListerv1.CertificateSigningRequestLister
        csrSynced           cache.InformerSynced
        addOrUpdateCsrQueue workqueue.TypedRateLimitingInterface[string]

        addOrUpdateVMIMigrationQueue workqueue.TypedRateLimitingInterface[string]
        deleteVMQueue                workqueue.TypedRateLimitingInterface[string]
        kubevirtInformerFactory      informer.KubeVirtInformerFactory

        netAttachLister          netAttachv1.NetworkAttachmentDefinitionLister
        netAttachSynced          cache.InformerSynced
        netAttachInformerFactory netAttach.SharedInformerFactory

        recorder               record.EventRecorder
        informerFactory        kubeinformers.SharedInformerFactory
        cmInformerFactory      kubeinformers.SharedInformerFactory
        deployInformerFactory  kubeinformers.SharedInformerFactory
        kubeovnInformerFactory kubeovninformer.SharedInformerFactory
        anpInformerFactory     anpinformer.SharedInformerFactory

        // Database health check
        dbFailureCount int
}

func newTypedRateLimitingQueue[T comparable](name string, rateLimiter workqueue.TypedRateLimiter[T]) workqueue.TypedRateLimitingInterface[T] {
        if rateLimiter == nil {
                rateLimiter = workqueue.DefaultTypedControllerRateLimiter[T]()
        }
        return workqueue.NewTypedRateLimitingQueueWithConfig(rateLimiter, workqueue.TypedRateLimitingQueueConfig[T]{Name: name})
}

// Run creates and runs a new ovn controller
func Run(ctx context.Context, config *Configuration) {
        klog.V(4).Info("Creating event broadcaster")
        eventBroadcaster := record.NewBroadcasterWithCorrelatorOptions(record.CorrelatorOptions{BurstSize: 100})
        eventBroadcaster.StartLogging(klog.Infof)
        eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: config.KubeFactoryClient.CoreV1().Events("")})
        recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerAgentName})
        custCrdRateLimiter := workqueue.NewTypedMaxOfRateLimiter(
                workqueue.NewTypedItemExponentialFailureRateLimiter[string](time.Duration(config.CustCrdRetryMinDelay)*time.Second, time.Duration(config.CustCrdRetryMaxDelay)*time.Second),
                &workqueue.TypedBucketRateLimiter[string]{Limiter: rate.NewLimiter(rate.Limit(10), 100)},
        )

        selector, err := labels.Parse(util.VpcEgressGatewayLabel)
        if err != nil {
                util.LogFatalAndExit(err, "failed to create label selector for vpc egress gateway workload")
        }

        informerFactory := kubeinformers.NewSharedInformerFactoryWithOptions(config.KubeFactoryClient, 0,
                kubeinformers.WithTweakListOptions(func(listOption *metav1.ListOptions) {
                        listOption.AllowWatchBookmarks = true
                }))
        cmInformerFactory := kubeinformers.NewSharedInformerFactoryWithOptions(config.KubeFactoryClient, 0,
                kubeinformers.WithTweakListOptions(func(listOption *metav1.ListOptions) {
                        listOption.AllowWatchBookmarks = true
                }), kubeinformers.WithNamespace(config.PodNamespace))
        // deployment informer used to list/watch vpc egress gateway workloads
        deployInformerFactory := kubeinformers.NewSharedInformerFactoryWithOptions(config.KubeFactoryClient, 0,
                kubeinformers.WithTweakListOptions(func(listOption *metav1.ListOptions) {
                        listOption.AllowWatchBookmarks = true
                        listOption.LabelSelector = selector.String()
                }))
        kubeovnInformerFactory := kubeovninformer.NewSharedInformerFactoryWithOptions(config.KubeOvnFactoryClient, 0,
                kubeovninformer.WithTweakListOptions(func(listOption *metav1.ListOptions) {
                        listOption.AllowWatchBookmarks = true
                }))
        anpInformerFactory := anpinformer.NewSharedInformerFactoryWithOptions(config.AnpClient, 0,
                anpinformer.WithTweakListOptions(func(listOption *metav1.ListOptions) {
                        listOption.AllowWatchBookmarks = true
                }))

        attachNetInformerFactory := netAttach.NewSharedInformerFactoryWithOptions(config.AttachNetClient, 0,
                netAttach.WithTweakListOptions(func(listOption *metav1.ListOptions) {
                        listOption.AllowWatchBookmarks = true
                }),
        )

        kubevirtInformerFactory := informer.NewKubeVirtInformerFactory(config.KubevirtClient.RestClient(), config.KubevirtClient, nil, util.KubevirtNamespace)

        vpcInformer := kubeovnInformerFactory.Kubeovn().V1().Vpcs()
        vpcNatGatewayInformer := kubeovnInformerFactory.Kubeovn().V1().VpcNatGateways()
        vpcEgressGatewayInformer := kubeovnInformerFactory.Kubeovn().V1().VpcEgressGateways()
        subnetInformer := kubeovnInformerFactory.Kubeovn().V1().Subnets()
        ippoolInformer := kubeovnInformerFactory.Kubeovn().V1().IPPools()
        ipInformer := kubeovnInformerFactory.Kubeovn().V1().IPs()
        virtualIPInformer := kubeovnInformerFactory.Kubeovn().V1().Vips()
        iptablesEipInformer := kubeovnInformerFactory.Kubeovn().V1().IptablesEIPs()
        iptablesFipInformer := kubeovnInformerFactory.Kubeovn().V1().IptablesFIPRules()
        iptablesDnatRuleInformer := kubeovnInformerFactory.Kubeovn().V1().IptablesDnatRules()
        iptablesSnatRuleInformer := kubeovnInformerFactory.Kubeovn().V1().IptablesSnatRules()
        vlanInformer := kubeovnInformerFactory.Kubeovn().V1().Vlans()
        providerNetworkInformer := kubeovnInformerFactory.Kubeovn().V1().ProviderNetworks()
        sgInformer := kubeovnInformerFactory.Kubeovn().V1().SecurityGroups()
        podInformer := informerFactory.Core().V1().Pods()
        namespaceInformer := informerFactory.Core().V1().Namespaces()
        nodeInformer := informerFactory.Core().V1().Nodes()
        serviceInformer := informerFactory.Core().V1().Services()
        endpointSliceInformer := informerFactory.Discovery().V1().EndpointSlices()
        deploymentInformer := deployInformerFactory.Apps().V1().Deployments()
        qosPolicyInformer := kubeovnInformerFactory.Kubeovn().V1().QoSPolicies()
        configMapInformer := cmInformerFactory.Core().V1().ConfigMaps()
        npInformer := informerFactory.Networking().V1().NetworkPolicies()
        switchLBRuleInformer := kubeovnInformerFactory.Kubeovn().V1().SwitchLBRules()
        vpcDNSInformer := kubeovnInformerFactory.Kubeovn().V1().VpcDnses()
        ovnEipInformer := kubeovnInformerFactory.Kubeovn().V1().OvnEips()
        ovnFipInformer := kubeovnInformerFactory.Kubeovn().V1().OvnFips()
        ovnSnatRuleInformer := kubeovnInformerFactory.Kubeovn().V1().OvnSnatRules()
        ovnDnatRuleInformer := kubeovnInformerFactory.Kubeovn().V1().OvnDnatRules()
        anpInformer := anpInformerFactory.Policy().V1alpha1().AdminNetworkPolicies()
        banpInformer := anpInformerFactory.Policy().V1alpha1().BaselineAdminNetworkPolicies()
        dnsNameResolverInformer := kubeovnInformerFactory.Kubeovn().V1().DNSNameResolvers()
        csrInformer := informerFactory.Certificates().V1().CertificateSigningRequests()
        netAttachInformer := attachNetInformerFactory.K8sCniCncfIo().V1().NetworkAttachmentDefinitions()

        numKeyLocks := max(runtime.NumCPU()*2, config.WorkerNum*2)
        controller := &Controller{
                config:             config,
                deletingPodObjMap:  xsync.NewMap[string, *corev1.Pod](),
                deletingNodeObjMap: xsync.NewMap[string, *corev1.Node](),
                ipam:               ovnipam.NewIPAM(),
                namedPort:          NewNamedPort(),

                vpcsLister:           vpcInformer.Lister(),
                vpcSynced:            vpcInformer.Informer().HasSynced,
                addOrUpdateVpcQueue:  newTypedRateLimitingQueue[string]("AddOrUpdateVpc", nil),
                vpcLastPoliciesMap:   xsync.NewMap[string, string](),
                delVpcQueue:          newTypedRateLimitingQueue[*kubeovnv1.Vpc]("DeleteVpc", nil),
                updateVpcStatusQueue: newTypedRateLimitingQueue[string]("UpdateVpcStatus", nil),
                vpcKeyMutex:          keymutex.NewHashed(numKeyLocks),

                vpcNatGatewayLister:           vpcNatGatewayInformer.Lister(),
                vpcNatGatewaySynced:           vpcNatGatewayInformer.Informer().HasSynced,
                addOrUpdateVpcNatGatewayQueue: newTypedRateLimitingQueue("AddOrUpdateVpcNatGw", custCrdRateLimiter),
                initVpcNatGatewayQueue:        newTypedRateLimitingQueue("InitVpcNatGw", custCrdRateLimiter),
                delVpcNatGatewayQueue:         newTypedRateLimitingQueue("DeleteVpcNatGw", custCrdRateLimiter),
                updateVpcEipQueue:             newTypedRateLimitingQueue("UpdateVpcEip", custCrdRateLimiter),
                updateVpcFloatingIPQueue:      newTypedRateLimitingQueue("UpdateVpcFloatingIp", custCrdRateLimiter),
                updateVpcDnatQueue:            newTypedRateLimitingQueue("UpdateVpcDnat", custCrdRateLimiter),
                updateVpcSnatQueue:            newTypedRateLimitingQueue("UpdateVpcSnat", custCrdRateLimiter),
                updateVpcSubnetQueue:          newTypedRateLimitingQueue("UpdateVpcSubnet", custCrdRateLimiter),
                vpcNatGwKeyMutex:              keymutex.NewHashed(numKeyLocks),

                vpcEgressGatewayLister:           vpcEgressGatewayInformer.Lister(),
                vpcEgressGatewaySynced:           vpcEgressGatewayInformer.Informer().HasSynced,
                addOrUpdateVpcEgressGatewayQueue: newTypedRateLimitingQueue("AddOrUpdateVpcEgressGateway", custCrdRateLimiter),
                delVpcEgressGatewayQueue:         newTypedRateLimitingQueue("DeleteVpcEgressGateway", custCrdRateLimiter),
                vpcEgressGatewayKeyMutex:         keymutex.NewHashed(numKeyLocks),

                subnetsLister:           subnetInformer.Lister(),
                subnetSynced:            subnetInformer.Informer().HasSynced,
                addOrUpdateSubnetQueue:  newTypedRateLimitingQueue[string]("AddSubnet", nil),
                subnetLastVpcNameMap:    xsync.NewMap[string, string](),
                deleteSubnetQueue:       newTypedRateLimitingQueue[*kubeovnv1.Subnet]("DeleteSubnet", nil),
                updateSubnetStatusQueue: newTypedRateLimitingQueue[string]("UpdateSubnetStatus", nil),
                syncVirtualPortsQueue:   newTypedRateLimitingQueue[string]("SyncVirtualPort", nil),
                subnetKeyMutex:          keymutex.NewHashed(numKeyLocks),

                ippoolLister:            ippoolInformer.Lister(),
                ippoolSynced:            ippoolInformer.Informer().HasSynced,
                addOrUpdateIPPoolQueue:  newTypedRateLimitingQueue[string]("AddIPPool", nil),
                updateIPPoolStatusQueue: newTypedRateLimitingQueue[string]("UpdateIPPoolStatus", nil),
                deleteIPPoolQueue:       newTypedRateLimitingQueue[*kubeovnv1.IPPool]("DeleteIPPool", nil),
                ippoolKeyMutex:          keymutex.NewHashed(numKeyLocks),

                ipsLister:     ipInformer.Lister(),
                ipSynced:      ipInformer.Informer().HasSynced,
                addIPQueue:    newTypedRateLimitingQueue[string]("AddIP", nil),
                updateIPQueue: newTypedRateLimitingQueue[string]("UpdateIP", nil),
                delIPQueue:    newTypedRateLimitingQueue[*kubeovnv1.IP]("DeleteIP", nil),

                virtualIpsLister:          virtualIPInformer.Lister(),
                virtualIpsSynced:          virtualIPInformer.Informer().HasSynced,
                addVirtualIPQueue:         newTypedRateLimitingQueue[string]("AddVirtualIP", nil),
                updateVirtualIPQueue:      newTypedRateLimitingQueue[string]("UpdateVirtualIP", nil),
                updateVirtualParentsQueue: newTypedRateLimitingQueue[string]("UpdateVirtualParents", nil),
                delVirtualIPQueue:         newTypedRateLimitingQueue[*kubeovnv1.Vip]("DeleteVirtualIP", nil),

                iptablesEipsLister:     iptablesEipInformer.Lister(),
                iptablesEipSynced:      iptablesEipInformer.Informer().HasSynced,
                addIptablesEipQueue:    newTypedRateLimitingQueue("AddIptablesEip", custCrdRateLimiter),
                updateIptablesEipQueue: newTypedRateLimitingQueue("UpdateIptablesEip", custCrdRateLimiter),
                resetIptablesEipQueue:  newTypedRateLimitingQueue("ResetIptablesEip", custCrdRateLimiter),
                delIptablesEipQueue:    newTypedRateLimitingQueue("DeleteIptablesEip", custCrdRateLimiter),

                iptablesFipsLister:     iptablesFipInformer.Lister(),
                iptablesFipSynced:      iptablesFipInformer.Informer().HasSynced,
                addIptablesFipQueue:    newTypedRateLimitingQueue("AddIptablesFip", custCrdRateLimiter),
                updateIptablesFipQueue: newTypedRateLimitingQueue("UpdateIptablesFip", custCrdRateLimiter),
                delIptablesFipQueue:    newTypedRateLimitingQueue("DeleteIptablesFip", custCrdRateLimiter),

                iptablesDnatRulesLister:     iptablesDnatRuleInformer.Lister(),
                iptablesDnatRuleSynced:      iptablesDnatRuleInformer.Informer().HasSynced,
                addIptablesDnatRuleQueue:    newTypedRateLimitingQueue("AddIptablesDnatRule", custCrdRateLimiter),
                updateIptablesDnatRuleQueue: newTypedRateLimitingQueue("UpdateIptablesDnatRule", custCrdRateLimiter),
                delIptablesDnatRuleQueue:    newTypedRateLimitingQueue("DeleteIptablesDnatRule", custCrdRateLimiter),

                iptablesSnatRulesLister:     iptablesSnatRuleInformer.Lister(),
                iptablesSnatRuleSynced:      iptablesSnatRuleInformer.Informer().HasSynced,
                addIptablesSnatRuleQueue:    newTypedRateLimitingQueue("AddIptablesSnatRule", custCrdRateLimiter),
                updateIptablesSnatRuleQueue: newTypedRateLimitingQueue("UpdateIptablesSnatRule", custCrdRateLimiter),
                delIptablesSnatRuleQueue:    newTypedRateLimitingQueue("DeleteIptablesSnatRule", custCrdRateLimiter),

                vlansLister:     vlanInformer.Lister(),
                vlanSynced:      vlanInformer.Informer().HasSynced,
                addVlanQueue:    newTypedRateLimitingQueue[string]("AddVlan", nil),
                delVlanQueue:    newTypedRateLimitingQueue[string]("DeleteVlan", nil),
                updateVlanQueue: newTypedRateLimitingQueue[string]("UpdateVlan", nil),
                vlanKeyMutex:    keymutex.NewHashed(numKeyLocks),

                providerNetworksLister: providerNetworkInformer.Lister(),
                providerNetworkSynced:  providerNetworkInformer.Informer().HasSynced,

                podsLister:          podInformer.Lister(),
                podsSynced:          podInformer.Informer().HasSynced,
                addOrUpdatePodQueue: newTypedRateLimitingQueue[string]("AddOrUpdatePod", nil),
                deletePodQueue: workqueue.NewTypedRateLimitingQueueWithConfig(
                        workqueue.DefaultTypedControllerRateLimiter[string](),
                        workqueue.TypedRateLimitingQueueConfig[string]{
                                Name:          "DeletePod",
                                DelayingQueue: workqueue.NewTypedDelayingQueue[string](),
                        },
                ),
                updatePodSecurityQueue: newTypedRateLimitingQueue[string]("UpdatePodSecurity", nil),
                podKeyMutex:            keymutex.NewHashed(numKeyLocks),

                namespacesLister:  namespaceInformer.Lister(),
                namespacesSynced:  namespaceInformer.Informer().HasSynced,
                addNamespaceQueue: newTypedRateLimitingQueue[string]("AddNamespace", nil),
                nsKeyMutex:        keymutex.NewHashed(numKeyLocks),

                nodesLister:     nodeInformer.Lister(),
                nodesSynced:     nodeInformer.Informer().HasSynced,
                addNodeQueue:    newTypedRateLimitingQueue[string]("AddNode", nil),
                updateNodeQueue: newTypedRateLimitingQueue[string]("UpdateNode", nil),
                deleteNodeQueue: newTypedRateLimitingQueue[string]("DeleteNode", nil),
                nodeKeyMutex:    keymutex.NewHashed(numKeyLocks),

                servicesLister:     serviceInformer.Lister(),
                serviceSynced:      serviceInformer.Informer().HasSynced,
                addServiceQueue:    newTypedRateLimitingQueue[string]("AddService", nil),
                deleteServiceQueue: newTypedRateLimitingQueue[*vpcService]("DeleteService", nil),
                updateServiceQueue: newTypedRateLimitingQueue[*updateSvcObject]("UpdateService", nil),
                svcKeyMutex:        keymutex.NewHashed(numKeyLocks),

                endpointSlicesLister:          endpointSliceInformer.Lister(),
                endpointSlicesSynced:          endpointSliceInformer.Informer().HasSynced,
                addOrUpdateEndpointSliceQueue: newTypedRateLimitingQueue[string]("UpdateEndpointSlice", nil),
                epKeyMutex:                    keymutex.NewHashed(numKeyLocks),

                deploymentsLister: deploymentInformer.Lister(),
                deploymentsSynced: deploymentInformer.Informer().HasSynced,

                qosPoliciesLister:    qosPolicyInformer.Lister(),
                qosPolicySynced:      qosPolicyInformer.Informer().HasSynced,
                addQoSPolicyQueue:    newTypedRateLimitingQueue("AddQoSPolicy", custCrdRateLimiter),
                updateQoSPolicyQueue: newTypedRateLimitingQueue("UpdateQoSPolicy", custCrdRateLimiter),
                delQoSPolicyQueue:    newTypedRateLimitingQueue("DeleteQoSPolicy", custCrdRateLimiter),

                configMapsLister: configMapInformer.Lister(),
                configMapsSynced: configMapInformer.Informer().HasSynced,

                sgKeyMutex:         keymutex.NewHashed(numKeyLocks),
                sgsLister:          sgInformer.Lister(),
                sgSynced:           sgInformer.Informer().HasSynced,
                addOrUpdateSgQueue: newTypedRateLimitingQueue[string]("UpdateSecurityGroup", nil),
                delSgQueue:         newTypedRateLimitingQueue[string]("DeleteSecurityGroup", nil),
                syncSgPortsQueue:   newTypedRateLimitingQueue[string]("SyncSecurityGroupPorts", nil),

                ovnEipsLister:     ovnEipInformer.Lister(),
                ovnEipSynced:      ovnEipInformer.Informer().HasSynced,
                addOvnEipQueue:    newTypedRateLimitingQueue("AddOvnEip", custCrdRateLimiter),
                updateOvnEipQueue: newTypedRateLimitingQueue("UpdateOvnEip", custCrdRateLimiter),
                resetOvnEipQueue:  newTypedRateLimitingQueue("ResetOvnEip", custCrdRateLimiter),
                delOvnEipQueue:    newTypedRateLimitingQueue("DeleteOvnEip", custCrdRateLimiter),

                ovnFipsLister:     ovnFipInformer.Lister(),
                ovnFipSynced:      ovnFipInformer.Informer().HasSynced,
                addOvnFipQueue:    newTypedRateLimitingQueue("AddOvnFip", custCrdRateLimiter),
                updateOvnFipQueue: newTypedRateLimitingQueue("UpdateOvnFip", custCrdRateLimiter),
                delOvnFipQueue:    newTypedRateLimitingQueue("DeleteOvnFip", custCrdRateLimiter),

                ovnSnatRulesLister:     ovnSnatRuleInformer.Lister(),
                ovnSnatRuleSynced:      ovnSnatRuleInformer.Informer().HasSynced,
                addOvnSnatRuleQueue:    newTypedRateLimitingQueue("AddOvnSnatRule", custCrdRateLimiter),
                updateOvnSnatRuleQueue: newTypedRateLimitingQueue("UpdateOvnSnatRule", custCrdRateLimiter),
                delOvnSnatRuleQueue:    newTypedRateLimitingQueue("DeleteOvnSnatRule", custCrdRateLimiter),

                ovnDnatRulesLister:     ovnDnatRuleInformer.Lister(),
                ovnDnatRuleSynced:      ovnDnatRuleInformer.Informer().HasSynced,
                addOvnDnatRuleQueue:    newTypedRateLimitingQueue("AddOvnDnatRule", custCrdRateLimiter),
                updateOvnDnatRuleQueue: newTypedRateLimitingQueue("UpdateOvnDnatRule", custCrdRateLimiter),
                delOvnDnatRuleQueue:    newTypedRateLimitingQueue("DeleteOvnDnatRule", custCrdRateLimiter),

                csrLister:           csrInformer.Lister(),
                csrSynced:           csrInformer.Informer().HasSynced,
                addOrUpdateCsrQueue: newTypedRateLimitingQueue[string]("AddOrUpdateCSR", custCrdRateLimiter),

                addOrUpdateVMIMigrationQueue: newTypedRateLimitingQueue[string]("AddOrUpdateVMIMigration", nil),
                deleteVMQueue:                newTypedRateLimitingQueue[string]("DeleteVM", nil),
                kubevirtInformerFactory:      kubevirtInformerFactory,

                netAttachLister:          netAttachInformer.Lister(),
                netAttachSynced:          netAttachInformer.Informer().HasSynced,
                netAttachInformerFactory: attachNetInformerFactory,

                recorder:               recorder,
                informerFactory:        informerFactory,
                cmInformerFactory:      cmInformerFactory,
                deployInformerFactory:  deployInformerFactory,
                kubeovnInformerFactory: kubeovnInformerFactory,
                anpInformerFactory:     anpInformerFactory,
        }

        if controller.OVNNbClient, err = ovs.NewOvnNbClient(
                config.OvnNbAddr,
                config.OvnTimeout,
                config.OvsDbConnectTimeout,
                config.OvsDbInactivityTimeout,
                config.OvsDbConnectMaxRetry,
        ); err != nil {
                util.LogFatalAndExit(err, "failed to create ovn nb client")
        }
        if controller.OVNSbClient, err = ovs.NewOvnSbClient(
                config.OvnSbAddr,
                config.OvnTimeout,
                config.OvsDbConnectTimeout,
                config.OvsDbInactivityTimeout,
                config.OvsDbConnectMaxRetry,
        ); err != nil {
                util.LogFatalAndExit(err, "failed to create ovn sb client")
        }
        if config.EnableLb {
                controller.switchLBRuleLister = switchLBRuleInformer.Lister()
                controller.switchLBRuleSynced = switchLBRuleInformer.Informer().HasSynced
                controller.addSwitchLBRuleQueue = newTypedRateLimitingQueue("AddSwitchLBRule", custCrdRateLimiter)
                controller.delSwitchLBRuleQueue = newTypedRateLimitingQueue(
                        "DeleteSwitchLBRule",
                        workqueue.NewTypedMaxOfRateLimiter(
                                workqueue.NewTypedItemExponentialFailureRateLimiter[*SlrInfo](time.Duration(config.CustCrdRetryMinDelay)*time.Second, time.Duration(config.CustCrdRetryMaxDelay)*time.Second),
                                &workqueue.TypedBucketRateLimiter[*SlrInfo]{Limiter: rate.NewLimiter(rate.Limit(10), 100)},
                        ),
                )
                controller.updateSwitchLBRuleQueue = newTypedRateLimitingQueue(
                        "UpdateSwitchLBRule",
                        workqueue.NewTypedMaxOfRateLimiter(
                                workqueue.NewTypedItemExponentialFailureRateLimiter[*SlrInfo](time.Duration(config.CustCrdRetryMinDelay)*time.Second, time.Duration(config.CustCrdRetryMaxDelay)*time.Second),
                                &workqueue.TypedBucketRateLimiter[*SlrInfo]{Limiter: rate.NewLimiter(rate.Limit(10), 100)},
                        ),
                )

                controller.vpcDNSLister = vpcDNSInformer.Lister()
                controller.vpcDNSSynced = vpcDNSInformer.Informer().HasSynced
                controller.addOrUpdateVpcDNSQueue = newTypedRateLimitingQueue("AddOrUpdateVpcDns", custCrdRateLimiter)
                controller.delVpcDNSQueue = newTypedRateLimitingQueue("DeleteVpcDns", custCrdRateLimiter)
        }

        if config.EnableNP {
                controller.npsLister = npInformer.Lister()
                controller.npsSynced = npInformer.Informer().HasSynced
                controller.updateNpQueue = newTypedRateLimitingQueue[string]("UpdateNetworkPolicy", nil)
                controller.deleteNpQueue = newTypedRateLimitingQueue[string]("DeleteNetworkPolicy", nil)
                controller.npKeyMutex = keymutex.NewHashed(numKeyLocks)
        }

        if config.EnableANP {
                controller.anpsLister = anpInformer.Lister()
                controller.anpsSynced = anpInformer.Informer().HasSynced
                controller.addAnpQueue = newTypedRateLimitingQueue[string]("AddAdminNetworkPolicy", nil)
                controller.updateAnpQueue = newTypedRateLimitingQueue[*AdminNetworkPolicyChangedDelta]("UpdateAdminNetworkPolicy", nil)
                controller.deleteAnpQueue = newTypedRateLimitingQueue[*v1alpha1.AdminNetworkPolicy]("DeleteAdminNetworkPolicy", nil)
                controller.anpKeyMutex = keymutex.NewHashed(numKeyLocks)

                controller.banpsLister = banpInformer.Lister()
                controller.banpsSynced = banpInformer.Informer().HasSynced
                controller.addBanpQueue = newTypedRateLimitingQueue[string]("AddBaseAdminNetworkPolicy", nil)
                controller.updateBanpQueue = newTypedRateLimitingQueue[*AdminNetworkPolicyChangedDelta]("UpdateBaseAdminNetworkPolicy", nil)
                controller.deleteBanpQueue = newTypedRateLimitingQueue[*v1alpha1.BaselineAdminNetworkPolicy]("DeleteBaseAdminNetworkPolicy", nil)
                controller.banpKeyMutex = keymutex.NewHashed(numKeyLocks)
        }

        if config.EnableDNSNameResolver {
                controller.dnsNameResolversLister = dnsNameResolverInformer.Lister()
                controller.dnsNameResolversSynced = dnsNameResolverInformer.Informer().HasSynced
                controller.addOrUpdateDNSNameResolverQueue = newTypedRateLimitingQueue[string]("AddOrUpdateDNSNameResolver", nil)
                controller.deleteDNSNameResolverQueue = newTypedRateLimitingQueue[*kubeovnv1.DNSNameResolver]("DeleteDNSNameResolver", nil)
        }

        defer controller.shutdown()
        klog.Info("Starting OVN controller")

        // Wait for the caches to be synced before starting workers
        controller.informerFactory.Start(ctx.Done())
        controller.cmInformerFactory.Start(ctx.Done())
        controller.deployInformerFactory.Start(ctx.Done())
        controller.kubeovnInformerFactory.Start(ctx.Done())
        controller.anpInformerFactory.Start(ctx.Done())
        controller.StartKubevirtInformerFactory(ctx, kubevirtInformerFactory)
        controller.StartNetAttachInformerFactory(ctx)

        klog.Info("Waiting for informer caches to sync")
        cacheSyncs := []cache.InformerSynced{
                controller.vpcNatGatewaySynced, controller.vpcEgressGatewaySynced,
                controller.vpcSynced, controller.subnetSynced,
                controller.ipSynced, controller.virtualIpsSynced, controller.iptablesEipSynced,
                controller.iptablesFipSynced, controller.iptablesDnatRuleSynced, controller.iptablesSnatRuleSynced,
                controller.vlanSynced, controller.podsSynced, controller.namespacesSynced, controller.nodesSynced,
                controller.serviceSynced, controller.endpointSlicesSynced, controller.deploymentsSynced, controller.configMapsSynced,
                controller.ovnEipSynced, controller.ovnFipSynced, controller.ovnSnatRuleSynced,
                controller.ovnDnatRuleSynced,
        }
        if controller.config.EnableLb {
                cacheSyncs = append(cacheSyncs, controller.switchLBRuleSynced, controller.vpcDNSSynced)
        }
        if controller.config.EnableNP {
                cacheSyncs = append(cacheSyncs, controller.npsSynced)
        }
        if controller.config.EnableANP {
                cacheSyncs = append(cacheSyncs, controller.anpsSynced, controller.banpsSynced)
        }
        if controller.config.EnableDNSNameResolver {
                cacheSyncs = append(cacheSyncs, controller.dnsNameResolversSynced)
        }

        if !cache.WaitForCacheSync(ctx.Done(), cacheSyncs...) {
                util.LogFatalAndExit(nil, "failed to wait for caches to sync")
        }

        if _, err = podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddPod,
                DeleteFunc: controller.enqueueDeletePod,
                UpdateFunc: controller.enqueueUpdatePod,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add pod event handler")
        }

        if _, err = namespaceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddNamespace,
                UpdateFunc: controller.enqueueUpdateNamespace,
                DeleteFunc: controller.enqueueDeleteNamespace,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add namespace event handler")
        }

        if _, err = nodeInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddNode,
                UpdateFunc: controller.enqueueUpdateNode,
                DeleteFunc: controller.enqueueDeleteNode,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add node event handler")
        }

        if _, err = serviceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddService,
                DeleteFunc: controller.enqueueDeleteService,
                UpdateFunc: controller.enqueueUpdateService,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add service event handler")
        }

        if _, err = endpointSliceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddEndpointSlice,
                UpdateFunc: controller.enqueueUpdateEndpointSlice,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add endpoint slice event handler")
        }

        if _, err = deploymentInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddDeployment,
                UpdateFunc: controller.enqueueUpdateDeployment,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add deployment event handler")
        }

        if _, err = vpcInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddVpc,
                UpdateFunc: controller.enqueueUpdateVpc,
                DeleteFunc: controller.enqueueDelVpc,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add vpc event handler")
        }

        if _, err = vpcNatGatewayInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddVpcNatGw,
                UpdateFunc: controller.enqueueUpdateVpcNatGw,
                DeleteFunc: controller.enqueueDeleteVpcNatGw,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add vpc nat gateway event handler")
        }

        if _, err = vpcEgressGatewayInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddVpcEgressGateway,
                UpdateFunc: controller.enqueueUpdateVpcEgressGateway,
                DeleteFunc: controller.enqueueDeleteVpcEgressGateway,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add vpc egress gateway event handler")
        }

        if _, err = subnetInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddSubnet,
                UpdateFunc: controller.enqueueUpdateSubnet,
                DeleteFunc: controller.enqueueDeleteSubnet,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add subnet event handler")
        }

        if _, err = ippoolInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddIPPool,
                UpdateFunc: controller.enqueueUpdateIPPool,
                DeleteFunc: controller.enqueueDeleteIPPool,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add ippool event handler")
        }

        if _, err = ipInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddIP,
                UpdateFunc: controller.enqueueUpdateIP,
                DeleteFunc: controller.enqueueDelIP,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add ips event handler")
        }

        if _, err = vlanInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddVlan,
                DeleteFunc: controller.enqueueDelVlan,
                UpdateFunc: controller.enqueueUpdateVlan,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add vlan event handler")
        }

        if _, err = sgInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddSg,
                DeleteFunc: controller.enqueueDeleteSg,
                UpdateFunc: controller.enqueueUpdateSg,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add security group event handler")
        }

        if _, err = virtualIPInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddVirtualIP,
                UpdateFunc: controller.enqueueUpdateVirtualIP,
                DeleteFunc: controller.enqueueDelVirtualIP,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add virtual ip event handler")
        }

        if _, err = iptablesEipInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddIptablesEip,
                UpdateFunc: controller.enqueueUpdateIptablesEip,
                DeleteFunc: controller.enqueueDelIptablesEip,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add iptables eip event handler")
        }

        if _, err = iptablesFipInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddIptablesFip,
                UpdateFunc: controller.enqueueUpdateIptablesFip,
                DeleteFunc: controller.enqueueDelIptablesFip,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add iptables fip event handler")
        }

        if _, err = iptablesDnatRuleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddIptablesDnatRule,
                UpdateFunc: controller.enqueueUpdateIptablesDnatRule,
                DeleteFunc: controller.enqueueDelIptablesDnatRule,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add iptables dnat event handler")
        }

        if _, err = iptablesSnatRuleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddIptablesSnatRule,
                UpdateFunc: controller.enqueueUpdateIptablesSnatRule,
                DeleteFunc: controller.enqueueDelIptablesSnatRule,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add iptables snat rule event handler")
        }

        if _, err = ovnEipInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddOvnEip,
                UpdateFunc: controller.enqueueUpdateOvnEip,
                DeleteFunc: controller.enqueueDelOvnEip,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add ovn eip event handler")
        }

        if _, err = ovnFipInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddOvnFip,
                UpdateFunc: controller.enqueueUpdateOvnFip,
                DeleteFunc: controller.enqueueDelOvnFip,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add ovn fip event handler")
        }

        if _, err = ovnSnatRuleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddOvnSnatRule,
                UpdateFunc: controller.enqueueUpdateOvnSnatRule,
                DeleteFunc: controller.enqueueDelOvnSnatRule,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add ovn snat rule event handler")
        }

        if _, err = ovnDnatRuleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddOvnDnatRule,
                UpdateFunc: controller.enqueueUpdateOvnDnatRule,
                DeleteFunc: controller.enqueueDelOvnDnatRule,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add ovn dnat rule event handler")
        }

        if _, err = qosPolicyInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                AddFunc:    controller.enqueueAddQoSPolicy,
                UpdateFunc: controller.enqueueUpdateQoSPolicy,
                DeleteFunc: controller.enqueueDelQoSPolicy,
        }); err != nil {
                util.LogFatalAndExit(err, "failed to add qos policy event handler")
        }

        if config.EnableLb {
                if _, err = switchLBRuleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddSwitchLBRule,
                        UpdateFunc: controller.enqueueUpdateSwitchLBRule,
                        DeleteFunc: controller.enqueueDeleteSwitchLBRule,
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add switch lb rule event handler")
                }

                if _, err = vpcDNSInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddVpcDNS,
                        UpdateFunc: controller.enqueueUpdateVpcDNS,
                        DeleteFunc: controller.enqueueDeleteVPCDNS,
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add vpc dns event handler")
                }
        }

        if config.EnableNP {
                if _, err = npInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddNp,
                        UpdateFunc: controller.enqueueUpdateNp,
                        DeleteFunc: controller.enqueueDeleteNp,
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add network policy event handler")
                }
        }

        if config.EnableANP {
                if _, err = anpInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddAnp,
                        UpdateFunc: controller.enqueueUpdateAnp,
                        DeleteFunc: controller.enqueueDeleteAnp,
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add admin network policy event handler")
                }

                if _, err = banpInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddBanp,
                        UpdateFunc: controller.enqueueUpdateBanp,
                        DeleteFunc: controller.enqueueDeleteBanp,
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add baseline admin network policy event handler")
                }

                controller.anpPrioNameMap = make(map[int32]string, 100)
                controller.anpNamePrioMap = make(map[string]int32, 100)
        }

        if config.EnableDNSNameResolver {
                if _, err = dnsNameResolverInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddDNSNameResolver,
                        UpdateFunc: controller.enqueueUpdateDNSNameResolver,
                        DeleteFunc: controller.enqueueDeleteDNSNameResolver,
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add dns name resolver event handler")
                }
        }

        if config.EnableOVNIPSec {
                if _, err = csrInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
                        AddFunc:    controller.enqueueAddCsr,
                        UpdateFunc: controller.enqueueUpdateCsr,
                        // no need to add delete func for csr
                }); err != nil {
                        util.LogFatalAndExit(err, "failed to add csr event handler")
                }
        }

        controller.Run(ctx)
}

// Run will set up the event handlers for types we are interested in, as well
// as syncing informer caches and starting workers. It will block until stopCh
// is closed, at which point it will shutdown the workqueue and wait for
// workers to finish processing their current work items.
func (c *Controller) Run(ctx context.Context) {
        // The init process can only be placed here if the init process do really affect the normal process of controller, such as Nodes/Pods/Subnets...
        // Otherwise, the init process should be placed after all workers have already started working
        if err := c.OVNNbClient.SetLsDnatModDlDst(c.config.LsDnatModDlDst); err != nil {
                util.LogFatalAndExit(err, "failed to set NB_Global option ls_dnat_mod_dl_dst")
        }

        if err := c.OVNNbClient.SetUseCtInvMatch(); err != nil {
                util.LogFatalAndExit(err, "failed to set NB_Global option use_ct_inv_match to false")
        }

        if err := c.OVNNbClient.SetLsCtSkipDstLportIPs(c.config.LsCtSkipDstLportIPs); err != nil {
                util.LogFatalAndExit(err, "failed to set NB_Global option ls_ct_skip_dst_lport_ips")
        }

        if err := c.OVNNbClient.SetNodeLocalDNSIP(strings.Join(c.config.NodeLocalDNSIPs, ",")); err != nil {
                util.LogFatalAndExit(err, "failed to set NB_Global option node_local_dns_ip")
        }

        if err := c.OVNNbClient.SetOVNIPSec(c.config.EnableOVNIPSec); err != nil {
                util.LogFatalAndExit(err, "failed to set NB_Global ipsec")
        }

        if err := c.InitOVN(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize ovn resources")
        }

        // sync ip crd before initIPAM since ip crd will be used to restore vm and statefulset pod in initIPAM
        if err := c.syncIPCR(); err != nil {
                util.LogFatalAndExit(err, "failed to sync crd ips")
        }

        if err := c.syncFinalizers(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize crd finalizers")
        }

        if err := c.InitIPAM(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize ipam")
        }

        if err := c.syncNodeRoutes(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize node routes")
        }

        if err := c.syncSubnetCR(); err != nil {
                util.LogFatalAndExit(err, "failed to sync crd subnets")
        }

        if err := c.syncVlanCR(); err != nil {
                util.LogFatalAndExit(err, "failed to sync crd vlans")
        }

        if c.config.EnableOVNIPSec && !c.config.CertManagerIPSecCert {
                if err := c.InitDefaultOVNIPsecCA(); err != nil {
                        util.LogFatalAndExit(err, "failed to init ovn ipsec CA")
                }
        }

        // start workers to do all the network operations
        c.startWorkers(ctx)

        c.initResourceOnce()
        <-ctx.Done()
        klog.Info("Shutting down workers")
}

func (c *Controller) dbStatus() {
        const maxFailures = 5

        done := make(chan error, 2)
        go func() {
                done <- c.OVNNbClient.Echo(context.Background())
        }()
        go func() {
                done <- c.OVNSbClient.Echo(context.Background())
        }()

        resultsReceived := 0
        timeout := time.After(time.Duration(c.config.OvnTimeout) * time.Second)

        for resultsReceived < 2 {
                select {
                case err := <-done:
                        resultsReceived++
                        if err != nil {
                                c.dbFailureCount++
                                klog.Errorf("OVN database echo failed (%d/%d): %v", c.dbFailureCount, maxFailures, err)
                                if c.dbFailureCount >= maxFailures {
                                        util.LogFatalAndExit(err, "OVN database connection failed after %d attempts", maxFailures)
                                }
                                return
                        }
                case <-timeout:
                        c.dbFailureCount++
                        klog.Errorf("OVN database echo timeout (%d/%d) after %ds", c.dbFailureCount, maxFailures, c.config.OvnTimeout)
                        if c.dbFailureCount >= maxFailures {
                                util.LogFatalAndExit(nil, "OVN database connection timeout after %d attempts", maxFailures)
                        }
                        return
                }
        }

        if c.dbFailureCount > 0 {
                klog.Infof("OVN database connection recovered after %d failures", c.dbFailureCount)
                c.dbFailureCount = 0
        }
}

func (c *Controller) shutdown() {
        utilruntime.HandleCrash()

        c.addOrUpdatePodQueue.ShutDown()
        c.deletePodQueue.ShutDown()
        c.updatePodSecurityQueue.ShutDown()

        c.addNamespaceQueue.ShutDown()

        c.addOrUpdateSubnetQueue.ShutDown()
        c.deleteSubnetQueue.ShutDown()
        c.updateSubnetStatusQueue.ShutDown()
        c.syncVirtualPortsQueue.ShutDown()

        c.addOrUpdateIPPoolQueue.ShutDown()
        c.updateIPPoolStatusQueue.ShutDown()
        c.deleteIPPoolQueue.ShutDown()

        c.addNodeQueue.ShutDown()
        c.updateNodeQueue.ShutDown()
        c.deleteNodeQueue.ShutDown()

        c.addServiceQueue.ShutDown()
        c.deleteServiceQueue.ShutDown()
        c.updateServiceQueue.ShutDown()
        c.addOrUpdateEndpointSliceQueue.ShutDown()

        c.addVlanQueue.ShutDown()
        c.delVlanQueue.ShutDown()
        c.updateVlanQueue.ShutDown()

        c.addOrUpdateVpcQueue.ShutDown()
        c.updateVpcStatusQueue.ShutDown()
        c.delVpcQueue.ShutDown()

        c.addOrUpdateVpcNatGatewayQueue.ShutDown()
        c.initVpcNatGatewayQueue.ShutDown()
        c.delVpcNatGatewayQueue.ShutDown()
        c.updateVpcEipQueue.ShutDown()
        c.updateVpcFloatingIPQueue.ShutDown()
        c.updateVpcDnatQueue.ShutDown()
        c.updateVpcSnatQueue.ShutDown()
        c.updateVpcSubnetQueue.ShutDown()

        c.addOrUpdateVpcEgressGatewayQueue.ShutDown()
        c.delVpcEgressGatewayQueue.ShutDown()

        if c.config.EnableLb {
                c.addSwitchLBRuleQueue.ShutDown()
                c.delSwitchLBRuleQueue.ShutDown()
                c.updateSwitchLBRuleQueue.ShutDown()

                c.addOrUpdateVpcDNSQueue.ShutDown()
                c.delVpcDNSQueue.ShutDown()
        }

        c.addIPQueue.ShutDown()
        c.updateIPQueue.ShutDown()
        c.delIPQueue.ShutDown()

        c.addVirtualIPQueue.ShutDown()
        c.updateVirtualIPQueue.ShutDown()
        c.updateVirtualParentsQueue.ShutDown()
        c.delVirtualIPQueue.ShutDown()

        c.addIptablesEipQueue.ShutDown()
        c.updateIptablesEipQueue.ShutDown()
        c.resetIptablesEipQueue.ShutDown()
        c.delIptablesEipQueue.ShutDown()

        c.addIptablesFipQueue.ShutDown()
        c.updateIptablesFipQueue.ShutDown()
        c.delIptablesFipQueue.ShutDown()

        c.addIptablesDnatRuleQueue.ShutDown()
        c.updateIptablesDnatRuleQueue.ShutDown()
        c.delIptablesDnatRuleQueue.ShutDown()

        c.addIptablesSnatRuleQueue.ShutDown()
        c.updateIptablesSnatRuleQueue.ShutDown()
        c.delIptablesSnatRuleQueue.ShutDown()

        c.addQoSPolicyQueue.ShutDown()
        c.updateQoSPolicyQueue.ShutDown()
        c.delQoSPolicyQueue.ShutDown()

        c.addOvnEipQueue.ShutDown()
        c.updateOvnEipQueue.ShutDown()
        c.resetOvnEipQueue.ShutDown()
        c.delOvnEipQueue.ShutDown()

        c.addOvnFipQueue.ShutDown()
        c.updateOvnFipQueue.ShutDown()
        c.delOvnFipQueue.ShutDown()

        c.addOvnSnatRuleQueue.ShutDown()
        c.updateOvnSnatRuleQueue.ShutDown()
        c.delOvnSnatRuleQueue.ShutDown()

        c.addOvnDnatRuleQueue.ShutDown()
        c.updateOvnDnatRuleQueue.ShutDown()
        c.delOvnDnatRuleQueue.ShutDown()

        if c.config.EnableNP {
                c.updateNpQueue.ShutDown()
                c.deleteNpQueue.ShutDown()
        }
        if c.config.EnableANP {
                c.addAnpQueue.ShutDown()
                c.updateAnpQueue.ShutDown()
                c.deleteAnpQueue.ShutDown()

                c.addBanpQueue.ShutDown()
                c.updateBanpQueue.ShutDown()
                c.deleteBanpQueue.ShutDown()
        }

        if c.config.EnableDNSNameResolver {
                c.addOrUpdateDNSNameResolverQueue.ShutDown()
                c.deleteDNSNameResolverQueue.ShutDown()
        }

        c.addOrUpdateSgQueue.ShutDown()
        c.delSgQueue.ShutDown()
        c.syncSgPortsQueue.ShutDown()

        c.addOrUpdateCsrQueue.ShutDown()

        if c.config.EnableLiveMigrationOptimize {
                c.addOrUpdateVMIMigrationQueue.ShutDown()
        }
}

func (c *Controller) startWorkers(ctx context.Context) {
        klog.Info("Starting workers")

        go wait.Until(runWorker("add/update vpc", c.addOrUpdateVpcQueue, c.handleAddOrUpdateVpc), time.Second, ctx.Done())
        go wait.Until(runWorker("delete vpc", c.delVpcQueue, c.handleDelVpc), time.Second, ctx.Done())
        go wait.Until(runWorker("update status of vpc", c.updateVpcStatusQueue, c.handleUpdateVpcStatus), time.Second, ctx.Done())

        go wait.Until(runWorker("add/update vpc nat gateway", c.addOrUpdateVpcNatGatewayQueue, c.handleAddOrUpdateVpcNatGw), time.Second, ctx.Done())
        go wait.Until(runWorker("init vpc nat gateway", c.initVpcNatGatewayQueue, c.handleInitVpcNatGw), time.Second, ctx.Done())
        go wait.Until(runWorker("delete vpc nat gateway", c.delVpcNatGatewayQueue, c.handleDelVpcNatGw), time.Second, ctx.Done())
        go wait.Until(runWorker("add/update vpc egress gateway", c.addOrUpdateVpcEgressGatewayQueue, c.handleAddOrUpdateVpcEgressGateway), time.Second, ctx.Done())
        go wait.Until(runWorker("delete vpc egress gateway", c.delVpcEgressGatewayQueue, c.handleDelVpcEgressGateway), time.Second, ctx.Done())
        go wait.Until(runWorker("update fip for vpc nat gateway", c.updateVpcFloatingIPQueue, c.handleUpdateVpcFloatingIP), time.Second, ctx.Done())
        go wait.Until(runWorker("update eip for vpc nat gateway", c.updateVpcEipQueue, c.handleUpdateVpcEip), time.Second, ctx.Done())
        go wait.Until(runWorker("update dnat for vpc nat gateway", c.updateVpcDnatQueue, c.handleUpdateVpcDnat), time.Second, ctx.Done())
        go wait.Until(runWorker("update snat for vpc nat gateway", c.updateVpcSnatQueue, c.handleUpdateVpcSnat), time.Second, ctx.Done())
        go wait.Until(runWorker("update subnet route for vpc nat gateway", c.updateVpcSubnetQueue, c.handleUpdateNatGwSubnetRoute), time.Second, ctx.Done())
        go wait.Until(runWorker("add/update csr", c.addOrUpdateCsrQueue, c.handleAddOrUpdateCsr), time.Second, ctx.Done())
        // add default and join subnet and wait them ready
        go wait.Until(runWorker("add/update subnet", c.addOrUpdateSubnetQueue, c.handleAddOrUpdateSubnet), time.Second, ctx.Done())
        go wait.Until(runWorker("add/update ippool", c.addOrUpdateIPPoolQueue, c.handleAddOrUpdateIPPool), time.Second, ctx.Done())
        go wait.Until(runWorker("add vlan", c.addVlanQueue, c.handleAddVlan), time.Second, ctx.Done())
        go wait.Until(runWorker("add namespace", c.addNamespaceQueue, c.handleAddNamespace), time.Second, ctx.Done())
        err := wait.PollUntilContextCancel(ctx, 3*time.Second, true, func(_ context.Context) (done bool, err error) {
                subnets := []string{c.config.DefaultLogicalSwitch, c.config.NodeSwitch}
                klog.Infof("wait for subnets %v ready", subnets)

                return c.allSubnetReady(subnets...)
        })
        if err != nil {
                klog.Fatalf("wait default and join subnet ready, error: %v", err)
        }

        go wait.Until(runWorker("add/update security group", c.addOrUpdateSgQueue, func(key string) error { return c.handleAddOrUpdateSg(key, false) }), time.Second, ctx.Done())
        go wait.Until(runWorker("delete security group", c.delSgQueue, c.handleDeleteSg), time.Second, ctx.Done())
        go wait.Until(runWorker("ports for security group", c.syncSgPortsQueue, c.syncSgLogicalPort), time.Second, ctx.Done())

        // run node worker before handle any pods
        for range c.config.WorkerNum {
                go wait.Until(runWorker("add node", c.addNodeQueue, c.handleAddNode), time.Second, ctx.Done())
                go wait.Until(runWorker("update node", c.updateNodeQueue, c.handleUpdateNode), time.Second, ctx.Done())
                go wait.Until(runWorker("delete node", c.deleteNodeQueue, c.handleDeleteNode), time.Second, ctx.Done())
        }
        for {
                ready := true
                time.Sleep(3 * time.Second)
                nodes, err := c.nodesLister.List(labels.Everything())
                if err != nil {
                        util.LogFatalAndExit(err, "failed to list nodes")
                }
                for _, node := range nodes {
                        if node.Annotations[util.AllocatedAnnotation] != "true" {
                                klog.Infof("wait node %s annotation ready", node.Name)
                                ready = false
                                break
                        }
                }
                if ready {
                        break
                }
        }

        if c.config.EnableLb {
                go wait.Until(runWorker("add service", c.addServiceQueue, c.handleAddService), time.Second, ctx.Done())
                // run in a single worker to avoid delete the last vip, which will lead ovn to delete the loadbalancer
                go wait.Until(runWorker("delete service", c.deleteServiceQueue, c.handleDeleteService), time.Second, ctx.Done())

                go wait.Until(runWorker("add/update switch lb rule", c.addSwitchLBRuleQueue, c.handleAddOrUpdateSwitchLBRule), time.Second, ctx.Done())
                go wait.Until(runWorker("delete switch lb rule", c.delSwitchLBRuleQueue, c.handleDelSwitchLBRule), time.Second, ctx.Done())
                go wait.Until(runWorker("delete switch lb rule", c.updateSwitchLBRuleQueue, c.handleUpdateSwitchLBRule), time.Second, ctx.Done())

                go wait.Until(runWorker("add/update vpc dns", c.addOrUpdateVpcDNSQueue, c.handleAddOrUpdateVPCDNS), time.Second, ctx.Done())
                go wait.Until(runWorker("delete vpc dns", c.delVpcDNSQueue, c.handleDelVpcDNS), time.Second, ctx.Done())
                go wait.Until(func() {
                        c.resyncVpcDNSConfig()
                }, 5*time.Second, ctx.Done())
        }

        for range c.config.WorkerNum {
                go wait.Until(runWorker("delete pod", c.deletePodQueue, c.handleDeletePod), time.Second, ctx.Done())
                go wait.Until(runWorker("add/update pod", c.addOrUpdatePodQueue, c.handleAddOrUpdatePod), time.Second, ctx.Done())
                go wait.Until(runWorker("update pod security", c.updatePodSecurityQueue, c.handleUpdatePodSecurity), time.Second, ctx.Done())

                go wait.Until(runWorker("delete subnet", c.deleteSubnetQueue, c.handleDeleteSubnet), time.Second, ctx.Done())
                go wait.Until(runWorker("delete ippool", c.deleteIPPoolQueue, c.handleDeleteIPPool), time.Second, ctx.Done())
                go wait.Until(runWorker("update status of subnet", c.updateSubnetStatusQueue, c.handleUpdateSubnetStatus), time.Second, ctx.Done())
                go wait.Until(runWorker("update status of ippool", c.updateIPPoolStatusQueue, c.handleUpdateIPPoolStatus), time.Second, ctx.Done())
                go wait.Until(runWorker("virtual port for subnet", c.syncVirtualPortsQueue, c.syncVirtualPort), time.Second, ctx.Done())

                if c.config.EnableLb {
                        go wait.Until(runWorker("update service", c.updateServiceQueue, c.handleUpdateService), time.Second, ctx.Done())
                        go wait.Until(runWorker("add/update endpoint slice", c.addOrUpdateEndpointSliceQueue, c.handleUpdateEndpointSlice), time.Second, ctx.Done())
                }

                if c.config.EnableNP {
                        go wait.Until(runWorker("update network policy", c.updateNpQueue, c.handleUpdateNp), time.Second, ctx.Done())
                        go wait.Until(runWorker("delete network policy", c.deleteNpQueue, c.handleDeleteNp), time.Second, ctx.Done())
                }

                go wait.Until(runWorker("delete vlan", c.delVlanQueue, c.handleDelVlan), time.Second, ctx.Done())
                go wait.Until(runWorker("update vlan", c.updateVlanQueue, c.handleUpdateVlan), time.Second, ctx.Done())
        }

        if c.config.EnableEipSnat {
                go wait.Until(func() {
                        // init l3 about the default vpc external lrp binding to the gw chassis
                        c.resyncExternalGateway()
                }, time.Second, ctx.Done())

                // maintain l3 ha about the vpc external lrp binding to the gw chassis
                c.OVNNbClient.MonitorBFD()
        }
        // TODO: we should merge these two vpc nat config into one config and resync them together
        go wait.Until(func() {
                c.resyncVpcNatGwConfig()
        }, time.Second, ctx.Done())

        go wait.Until(func() {
                c.resyncVpcNatConfig()
        }, time.Second, ctx.Done())

        if c.config.GCInterval != 0 {
                go wait.Until(func() {
                        if err := c.markAndCleanLSP(); err != nil {
                                klog.Errorf("gc lsp error: %v", err)
                        }
                }, time.Duration(c.config.GCInterval)*time.Second, ctx.Done())
        }

        go wait.Until(func() {
                if err := c.inspectPod(); err != nil {
                        klog.Errorf("inspection error: %v", err)
                }
        }, time.Duration(c.config.InspectInterval)*time.Second, ctx.Done())

        if c.config.EnableExternalVpc {
                go wait.Until(func() {
                        c.syncExternalVpc()
                }, 5*time.Second, ctx.Done())
        }

        go wait.Until(c.resyncProviderNetworkStatus, 30*time.Second, ctx.Done())
        go wait.Until(c.exportSubnetMetrics, 30*time.Second, ctx.Done())
        go wait.Until(c.checkSubnetGateway, 5*time.Second, ctx.Done())

        go wait.Until(runWorker("add ovn eip", c.addOvnEipQueue, c.handleAddOvnEip), time.Second, ctx.Done())
        go wait.Until(runWorker("update ovn eip", c.updateOvnEipQueue, c.handleUpdateOvnEip), time.Second, ctx.Done())
        go wait.Until(runWorker("reset ovn eip", c.resetOvnEipQueue, c.handleResetOvnEip), time.Second, ctx.Done())
        go wait.Until(runWorker("delete ovn eip", c.delOvnEipQueue, c.handleDelOvnEip), time.Second, ctx.Done())

        go wait.Until(runWorker("add ovn fip", c.addOvnFipQueue, c.handleAddOvnFip), time.Second, ctx.Done())
        go wait.Until(runWorker("update ovn fip", c.updateOvnFipQueue, c.handleUpdateOvnFip), time.Second, ctx.Done())
        go wait.Until(runWorker("delete ovn fip", c.delOvnFipQueue, c.handleDelOvnFip), time.Second, ctx.Done())

        go wait.Until(runWorker("add ovn snat rule", c.addOvnSnatRuleQueue, c.handleAddOvnSnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("update ovn snat rule", c.updateOvnSnatRuleQueue, c.handleUpdateOvnSnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("delete ovn snat rule", c.delOvnSnatRuleQueue, c.handleDelOvnSnatRule), time.Second, ctx.Done())

        go wait.Until(runWorker("add ovn dnat", c.addOvnDnatRuleQueue, c.handleAddOvnDnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("update ovn dnat", c.updateOvnDnatRuleQueue, c.handleUpdateOvnDnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("delete ovn dnat", c.delOvnDnatRuleQueue, c.handleDelOvnDnatRule), time.Second, ctx.Done())

        go wait.Until(c.CheckNodePortGroup, time.Duration(c.config.NodePgProbeTime)*time.Minute, ctx.Done())

        go wait.Until(runWorker("add ip", c.addIPQueue, c.handleAddReservedIP), time.Second, ctx.Done())
        go wait.Until(runWorker("update ip", c.updateIPQueue, c.handleUpdateIP), time.Second, ctx.Done())
        go wait.Until(runWorker("delete ip", c.delIPQueue, c.handleDelIP), time.Second, ctx.Done())

        go wait.Until(runWorker("add vip", c.addVirtualIPQueue, c.handleAddVirtualIP), time.Second, ctx.Done())
        go wait.Until(runWorker("update vip", c.updateVirtualIPQueue, c.handleUpdateVirtualIP), time.Second, ctx.Done())
        go wait.Until(runWorker("update virtual parent for vip", c.updateVirtualParentsQueue, c.handleUpdateVirtualParents), time.Second, ctx.Done())
        go wait.Until(runWorker("delete vip", c.delVirtualIPQueue, c.handleDelVirtualIP), time.Second, ctx.Done())

        go wait.Until(runWorker("add iptables eip", c.addIptablesEipQueue, c.handleAddIptablesEip), time.Second, ctx.Done())
        go wait.Until(runWorker("update iptables eip", c.updateIptablesEipQueue, c.handleUpdateIptablesEip), time.Second, ctx.Done())
        go wait.Until(runWorker("reset iptables eip", c.resetIptablesEipQueue, c.handleResetIptablesEip), time.Second, ctx.Done())
        go wait.Until(runWorker("delete iptables eip", c.delIptablesEipQueue, c.handleDelIptablesEip), time.Second, ctx.Done())

        go wait.Until(runWorker("add iptables fip", c.addIptablesFipQueue, c.handleAddIptablesFip), time.Second, ctx.Done())
        go wait.Until(runWorker("update iptables fip", c.updateIptablesFipQueue, c.handleUpdateIptablesFip), time.Second, ctx.Done())
        go wait.Until(runWorker("delete iptables fip", c.delIptablesFipQueue, c.handleDelIptablesFip), time.Second, ctx.Done())

        go wait.Until(runWorker("add iptables dnat rule", c.addIptablesDnatRuleQueue, c.handleAddIptablesDnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("update iptables dnat rule", c.updateIptablesDnatRuleQueue, c.handleUpdateIptablesDnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("delete iptables dnat rule", c.delIptablesDnatRuleQueue, c.handleDelIptablesDnatRule), time.Second, ctx.Done())

        go wait.Until(runWorker("add iptables snat rule", c.addIptablesSnatRuleQueue, c.handleAddIptablesSnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("update iptables snat rule", c.updateIptablesSnatRuleQueue, c.handleUpdateIptablesSnatRule), time.Second, ctx.Done())
        go wait.Until(runWorker("delete iptables snat rule", c.delIptablesSnatRuleQueue, c.handleDelIptablesSnatRule), time.Second, ctx.Done())

        go wait.Until(runWorker("add qos policy", c.addQoSPolicyQueue, c.handleAddQoSPolicy), time.Second, ctx.Done())
        go wait.Until(runWorker("update qos policy", c.updateQoSPolicyQueue, c.handleUpdateQoSPolicy), time.Second, ctx.Done())
        go wait.Until(runWorker("delete qos policy", c.delQoSPolicyQueue, c.handleDelQoSPolicy), time.Second, ctx.Done())

        if c.config.EnableANP {
                go wait.Until(runWorker("add admin network policy", c.addAnpQueue, c.handleAddAnp), time.Second, ctx.Done())
                go wait.Until(runWorker("update admin network policy", c.updateAnpQueue, c.handleUpdateAnp), time.Second, ctx.Done())
                go wait.Until(runWorker("delete admin network policy", c.deleteAnpQueue, c.handleDeleteAnp), time.Second, ctx.Done())

                go wait.Until(runWorker("add base admin network policy", c.addBanpQueue, c.handleAddBanp), time.Second, ctx.Done())
                go wait.Until(runWorker("update base admin network policy", c.updateBanpQueue, c.handleUpdateBanp), time.Second, ctx.Done())
                go wait.Until(runWorker("delete base admin network policy", c.deleteBanpQueue, c.handleDeleteBanp), time.Second, ctx.Done())
        }

        if c.config.EnableDNSNameResolver {
                go wait.Until(runWorker("add or update dns name resolver", c.addOrUpdateDNSNameResolverQueue, c.handleAddOrUpdateDNSNameResolver), time.Second, ctx.Done())
                go wait.Until(runWorker("delete dns name resolver", c.deleteDNSNameResolverQueue, c.handleDeleteDNSNameResolver), time.Second, ctx.Done())
        }

        if c.config.EnableLiveMigrationOptimize {
                go wait.Until(runWorker("add/update vmiMigration ", c.addOrUpdateVMIMigrationQueue, c.handleAddOrUpdateVMIMigration), 50*time.Millisecond, ctx.Done())
        }

        go wait.Until(runWorker("delete vm", c.deleteVMQueue, c.handleDeleteVM), time.Second, ctx.Done())

        go wait.Until(c.dbStatus, 15*time.Second, ctx.Done())
}

func (c *Controller) allSubnetReady(subnets ...string) (bool, error) {
        for _, lsName := range subnets {
                exist, err := c.OVNNbClient.LogicalSwitchExists(lsName)
                if err != nil {
                        klog.Error(err)
                        return false, fmt.Errorf("check logical switch %s exist: %w", lsName, err)
                }

                if !exist {
                        return false, nil
                }
        }

        return true, nil
}

func (c *Controller) initResourceOnce() {
        c.registerSubnetMetrics()

        if err := c.initNodeChassis(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize node chassis")
        }

        if err := c.initDefaultDenyAllSecurityGroup(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize 'deny_all' security group")
        }
        if err := c.syncSecurityGroup(); err != nil {
                util.LogFatalAndExit(err, "failed to sync security group")
        }

        if err := c.syncVpcNatGatewayCR(); err != nil {
                util.LogFatalAndExit(err, "failed to sync crd vpc nat gateways")
        }

        if err := c.initVpcNatGw(); err != nil {
                util.LogFatalAndExit(err, "failed to initialize vpc nat gateways")
        }
        if c.config.EnableLb {
                if err := c.initVpcDNSConfig(); err != nil {
                        util.LogFatalAndExit(err, "failed to initialize vpc-dns")
                }
        }

        // remove resources in ovndb that not exist any more in kubernetes resources
        // process gc at last in case of affecting other init process
        if err := c.gc(); err != nil {
                util.LogFatalAndExit(err, "failed to run gc")
        }
}

func processNextWorkItem[T comparable](action string, queue workqueue.TypedRateLimitingInterface[T], handler func(T) error, getItemKey func(any) string) bool {
        item, shutdown := queue.Get()
        if shutdown {
                return false
        }

        err := func(item T) error {
                defer queue.Done(item)
                if err := handler(item); err != nil {
                        queue.AddRateLimited(item)
                        return fmt.Errorf("error syncing %s %q: %w, requeuing", action, getItemKey(item), err)
                }
                queue.Forget(item)
                return nil
        }(item)
        if err != nil {
                utilruntime.HandleError(err)
                return true
        }
        return true
}

func getWorkItemKey(obj any) string {
        switch v := obj.(type) {
        case string:
                return v
        case *vpcService:
                return cache.MetaObjectToName(obj.(*vpcService).Svc).String()
        case *AdminNetworkPolicyChangedDelta:
                return v.key
        case *SlrInfo:
                return v.Name
        default:
                key, err := cache.MetaNamespaceKeyFunc(obj)
                if err != nil {
                        utilruntime.HandleError(err)
                        return ""
                }
                return key
        }
}

func runWorker[T comparable](action string, queue workqueue.TypedRateLimitingInterface[T], handler func(T) error) func() {
        return func() {
                for processNextWorkItem(action, queue, handler, getWorkItemKey) {
                }
        }
}

kubeovn / kube-ovn / 17723172333

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