add kubevirt live migration optimize

Signed-off-by: clyi <[email protected]>
kubeovn · Nov 28, 2024 · 0c5f54e · 0c5f54e
1 parent a80490a
commit 0c5f54e
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Showing 11 changed files with 257 additions and 69 deletions.
diff --git a/charts/kube-ovn/templates/controller-deploy.yaml b/charts/kube-ovn/templates/controller-deploy.yaml
@@ -139,6 +139,7 @@ spec:
           - --enable-anp={{- .Values.func.ENABLE_ANP }}
           - --ovsdb-con-timeout={{- .Values.func.OVSDB_CON_TIMEOUT }}
           - --ovsdb-inactivity-timeout={{- .Values.func.OVSDB_INACTIVITY_TIMEOUT }}
+          - --kubevirt-live-migration-optimize={{- .Values.func.KUBEVIRT_LIVE_MIGRATION_OPTIMIZE }}
           securityContext:
             runAsUser: {{ include "kubeovn.runAsUser" . }}
             privileged: false

diff --git a/charts/kube-ovn/templates/ovn-CR.yaml b/charts/kube-ovn/templates/ovn-CR.yaml
@@ -206,6 +206,14 @@ rules:
     verbs:
     - approve
     - sign
+  - apiGroups:
+      - kubevirt.io
+    resources:
+      - virtualmachineinstancemigrations
+    verbs:
+      - "list"
+      - "watch"
+      - "get"
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole

diff --git a/charts/kube-ovn/values.yaml b/charts/kube-ovn/values.yaml
@@ -77,6 +77,7 @@ func:
   SET_VXLAN_TX_OFF: false
   OVSDB_CON_TIMEOUT: 3
   OVSDB_INACTIVITY_TIMEOUT: 10
+  KUBEVIRT_LIVE_MIGRATION_OPTIMIZE: false
 
 ipv4:
   POD_CIDR: "10.16.0.0/16"

diff --git a/dist/images/install.sh b/dist/images/install.sh
@@ -44,6 +44,7 @@ ENABLE_ANP=${ENABLE_ANP:-false}
 SET_VXLAN_TX_OFF=${SET_VXLAN_TX_OFF:-false}
 OVSDB_CON_TIMEOUT=${OVSDB_CON_TIMEOUT:-3}
 OVSDB_INACTIVITY_TIMEOUT=${OVSDB_INACTIVITY_TIMEOUT:-10}
+KUBEVIRT_LIVE_MIGRATION_OPTIMIZE=${KUBEVIRT_LIVE_MIGRATION_OPTIMIZE:-false}
 
 # debug
 DEBUG_WRAPPER=${DEBUG_WRAPPER:-}
@@ -3269,6 +3270,14 @@ rules:
     verbs:
     - approve
     - sign
+  - apiGroups:
+      - kubevirt.io
+    resources:
+      - virtualmachineinstancemigrations
+    verbs:
+      - "list"
+      - "watch"
+      - "get"
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
@@ -4391,6 +4400,7 @@ spec:
           - --enable-anp=$ENABLE_ANP
           - --ovsdb-con-timeout=$OVSDB_CON_TIMEOUT
           - --ovsdb-inactivity-timeout=$OVSDB_INACTIVITY_TIMEOUT
+          - --kubevirt-live-migration-optimize=$KUBEVIRT_LIVE_MIGRATION_OPTIMIZE
           securityContext:
             runAsUser: ${RUN_AS_USER}
             privileged: false

diff --git a/go.mod b/go.mod
@@ -48,7 +48,7 @@ require (
 	gopkg.in/k8snetworkplumbingwg/multus-cni.v4 v4.1.3
 	k8s.io/api v0.31.3
 	k8s.io/apimachinery v0.31.3
-	k8s.io/client-go v1.5.2
+	k8s.io/client-go v12.0.0+incompatible
 	k8s.io/component-base v0.31.3
 	k8s.io/klog/v2 v2.130.1
 	k8s.io/kubectl v0.31.3
@@ -57,7 +57,8 @@ require (
 	k8s.io/utils v0.0.0-20241104163129-6fe5fd82f078
 	kernel.org/pub/linux/libs/security/libcap/cap v1.2.72
 	kubevirt.io/api v1.4.0
-	kubevirt.io/client-go v1.3.1
+	kubevirt.io/client-go v1.4.0
+	kubevirt.io/kubevirt v1.4.0
 	sigs.k8s.io/controller-runtime v0.19.2
 	sigs.k8s.io/network-policy-api v0.1.5
 )
@@ -124,6 +125,7 @@ require (
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/glog v1.2.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/mock v1.6.0 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
@@ -199,7 +201,7 @@ require (
 	github.com/opencontainers/runc v1.2.2 // indirect
 	github.com/opencontainers/runtime-spec v1.2.0 // indirect
 	github.com/opencontainers/selinux v1.11.1 // indirect
-	github.com/openshift/api v0.0.0-20231207204216-5efc6fca4b2d // indirect
+	github.com/openshift/api v0.0.0 // indirect
 	github.com/openshift/client-go v3.9.0+incompatible // indirect
 	github.com/openshift/custom-resource-status v1.1.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
@@ -255,7 +257,7 @@ require (
 	go.uber.org/zap v1.27.0 // indirect
 	gocv.io/x/gocv v0.39.0 // indirect
 	golang.org/x/crypto v0.29.0 // indirect
-	golang.org/x/exp v0.0.0-20241108190413-2d47ceb2692f // indirect
+	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c // indirect
 	golang.org/x/net v0.31.0 // indirect
 	golang.org/x/oauth2 v0.24.0 // indirect
 	golang.org/x/sync v0.9.0 // indirect
@@ -285,6 +287,7 @@ require (
 	k8s.io/csi-translation-lib v0.31.3 // indirect
 	k8s.io/dynamic-resource-allocation v0.0.0 // indirect
 	k8s.io/kms v0.31.3 // indirect
+	k8s.io/kube-aggregator v0.26.4 // indirect
 	k8s.io/kube-openapi v0.31.3 // indirect
 	k8s.io/kube-scheduler v0.0.0 // indirect
 	k8s.io/kubelet v0.31.3 // indirect
@@ -302,7 +305,9 @@ require (
 
 replace (
 	github.com/mdlayher/arp => github.com/kubeovn/arp v0.0.0-20240218024213-d9612a263f68
-	github.com/openshift/client-go => github.com/openshift/client-go v0.0.1
+	github.com/openshift/api => github.com/openshift/api v0.0.0-20191219222812-2987a591a72c
+	github.com/openshift/client-go => github.com/openshift/client-go v0.0.0-20210112165513-ebc401615f47
+	// github.com/openshift/client-go => github.com/openshift/client-go v0.0.1
 	github.com/ovn-org/libovsdb => github.com/kubeovn/libovsdb v0.0.0-20240814054845-978196448fb2
 	k8s.io/api => k8s.io/api v0.31.3
 	k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.31.3
@@ -333,5 +338,5 @@ replace (
 	k8s.io/mount-utils => k8s.io/mount-utils v0.31.3
 	k8s.io/pod-security-admission => k8s.io/pod-security-admission v0.31.3
 	k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.31.3
-	kubevirt.io/client-go => github.com/kubeovn/kubevirt-client-go v0.0.0-20240823060554-65405ba5499d
+// kubevirt.io/client-go => github.com/kubeovn/kubevirt-client-go v0.0.0-20240823060554-65405ba5499d
 )
diff --git a/go.sum b/go.sum
@@ -225,6 +225,8 @@ github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keL
 github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOWzg=
 github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/glog v1.2.2 h1:1+mZ9upx1Dh6FmUTFR1naJ77miKiXgALjWOZ3NVFPmY=
+github.com/golang/glog v1.2.2/go.mod h1:6AhwSGph0fcJtXVM/PEHPqZlFeoLxhs7/t5UDAwmO+w=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -380,8 +382,6 @@ github.com/kubeovn/go-iptables v0.0.0-20230322103850-8619a8ab3dca h1:fTMjoho2et9
 github.com/kubeovn/go-iptables v0.0.0-20230322103850-8619a8ab3dca/go.mod h1:jY1XeGzkx8ASNJ+SqQSxTESNXARkjvt+I6IJOTnzIjw=
 github.com/kubeovn/gonetworkmanager/v2 v2.0.0-20230905082151-e28c4d73a589 h1:y9exo1hjCsq7jsGUzt11kxhTiEGrGSQ0ZqibAiZk2PQ=
 github.com/kubeovn/gonetworkmanager/v2 v2.0.0-20230905082151-e28c4d73a589/go.mod h1:49upX+/hUyppWIqu58cumojyIwXdkA8k6reA/mQlKuI=
-github.com/kubeovn/kubevirt-client-go v0.0.0-20240823060554-65405ba5499d h1:xytZ7pwEajOoKnu+7P4f/ljD+XsNeVjyG8e839ht1o8=
-github.com/kubeovn/kubevirt-client-go v0.0.0-20240823060554-65405ba5499d/go.mod h1:KLjiIn15GHVtlp8DZTngKY5APnPGfvQS7V7kgOTrB5o=
 github.com/kubeovn/libovsdb v0.0.0-20240814054845-978196448fb2 h1:jH4yKIJLu2ZBy6fLMrlVa27ccgjzc53rsGDzNvddh0E=
 github.com/kubeovn/libovsdb v0.0.0-20240814054845-978196448fb2/go.mod h1:od3agzU0e50RPBxap7mMvBWZ+u37kqX0W849BYufdHI=
 github.com/kubeovn/ovsdb v0.0.0-20240410091831-5dd26006c475 h1:KZba2Kj9TXCUdUSqOR3eiy4VvkkIyhDVImYmYs6GQWU=
@@ -541,10 +541,10 @@ github.com/opencontainers/runtime-spec v1.2.0 h1:z97+pHb3uELt/yiAWD691HNHQIF07bE
 github.com/opencontainers/runtime-spec v1.2.0/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
 github.com/opencontainers/selinux v1.11.1 h1:nHFvthhM0qY8/m+vfhJylliSshm8G1jJ2jDMcgULaH8=
 github.com/opencontainers/selinux v1.11.1/go.mod h1:E5dMC3VPuVvVHDYmi78qvhJp8+M586T4DlDRYpFkyec=
-github.com/openshift/api v0.0.0-20231207204216-5efc6fca4b2d h1:DJxRHF5883tyG1Lf/5kQB4Ut2ycutC7tpGIaXMLKzYk=
-github.com/openshift/api v0.0.0-20231207204216-5efc6fca4b2d/go.mod h1:qNtV0315F+f8ld52TLtPvrfivZpdimOzTi3kn9IVbtU=
-github.com/openshift/client-go v0.0.1 h1:zJ9NsS9rwBtYkYzLCUECkdmrM6jPit3W7Q0+Pxf5gd4=
-github.com/openshift/client-go v0.0.1/go.mod h1:I8qTI1lgErsWc6CVukSjP1PYqpafE7fue0ZPy7A2jiw=
+github.com/openshift/api v0.0.0-20191219222812-2987a591a72c h1:WRWMmqacvmZDbUat6WYqpuCy2yEfIeDsxFD/Htgp2T0=
+github.com/openshift/api v0.0.0-20191219222812-2987a591a72c/go.mod h1:dh9o4Fs58gpFXGSYfnVxGR9PnV53I8TW84pQaJDdGiY=
+github.com/openshift/client-go v0.0.0-20210112165513-ebc401615f47 h1:+TEY29DK0XhqB7HFC9OfV8qf3wffSyi7MWv3AP28DGQ=
+github.com/openshift/client-go v0.0.0-20210112165513-ebc401615f47/go.mod h1:u7NRAjtYVAKokiI9LouzTv4mhds8P4S1TwdVAfbjKSk=
 github.com/openshift/custom-resource-status v1.1.2 h1:C3DL44LEbvlbItfd8mT5jWrqPfHnSOQoQf/sypqA6A4=
 github.com/openshift/custom-resource-status v1.1.2/go.mod h1:DB/Mf2oTeiAmVVX1gN+NEqweonAPY0TKUwADizj8+ZA=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
@@ -766,8 +766,8 @@ golang.org/x/crypto v0.29.0 h1:L5SG1JTTXupVV3n6sUqMTeWbjAyfPwoda2DLX8J8FrQ=
 golang.org/x/crypto v0.29.0/go.mod h1:+F4F4N5hv6v38hfeYwTdx20oUvLLc+QfrE9Ax9HtgRg=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY=
-golang.org/x/exp v0.0.0-20241108190413-2d47ceb2692f h1:XdNn9LlyWAhLVp6P/i8QYBW+hlyhrhei9uErw2B5GJo=
-golang.org/x/exp v0.0.0-20241108190413-2d47ceb2692f/go.mod h1:D5SMRVC3C2/4+F/DB1wZsLRnSNimn2Sp/NPsCrsv8ak=
+golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
+golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
@@ -1154,10 +1154,14 @@ kernel.org/pub/linux/libs/security/libcap/psx v1.2.72 h1:Lnu8woGlvNdwCbBa5urxGO+
 kernel.org/pub/linux/libs/security/libcap/psx v1.2.72/go.mod h1:+l6Ee2F59XiJ2I6WR5ObpC1utCQJZ/VLsEbQCD8RG24=
 kubevirt.io/api v1.4.0 h1:dDLyQLSp9obzsDrv3cyL1olIc/66IWVaGiR3gfPfgT0=
 kubevirt.io/api v1.4.0/go.mod h1:qcnumjJeOCo+qdYXf0OjpHGMhad0SAn4i0h6IAP+6Eg=
+kubevirt.io/client-go v1.4.0 h1:0BaHoIaZwHSKGJctVft/kwE49V7/sEgq4y9c+nll6AY=
+kubevirt.io/client-go v1.4.0/go.mod h1:GnQNJ0+9PBS7BCVgnTetdzAbUOCRTEXc8KNViECD6bE=
 kubevirt.io/containerized-data-importer-api v1.58.1 h1:Zbf0pCvxb4fBvtMR6uI2OIJZ4UfwFxripzOLMO4HPbI=
 kubevirt.io/containerized-data-importer-api v1.58.1/go.mod h1:Y/8ETgHS1GjO89bl682DPtQOYEU/1ctPFBz6Sjxm4DM=
 kubevirt.io/controller-lifecycle-operator-sdk/api v0.0.0-20220329064328-f3cc58c6ed90 h1:QMrd0nKP0BGbnxTqakhDZAUhGKxPiPiN5gSDqKUmGGc=
 kubevirt.io/controller-lifecycle-operator-sdk/api v0.0.0-20220329064328-f3cc58c6ed90/go.mod h1:018lASpFYBsYN6XwmA2TIrPCx6e0gviTd/ZNtSitKgc=
+kubevirt.io/kubevirt v1.4.0 h1:uVSa4YFzkqsv4p+UF+Zyg6976Fis2DQ/It+p26ekvLA=
+kubevirt.io/kubevirt v1.4.0/go.mod h1:UmaDMGGrk1BOiLLrGnWkg0KOJaBvy7RB8iFd7FoHXQ4=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.1 h1:uOuSLOMBWkJH0TWa9X6l+mj5nZdm6Ay6Bli8HL8rNfk=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.1/go.mod h1:Ve9uj1L+deCXFrPOk1LpFXqTg7LCFzFso6PA48q/XZw=
 sigs.k8s.io/controller-runtime v0.19.2 h1:3sPrF58XQEPzbE8T81TN6selQIMGbtYwuaJ6eDssDF8=

diff --git a/pkg/controller/config.go b/pkg/controller/config.go
@@ -40,7 +40,6 @@ type Configuration struct {
 	AttachNetClient attachnetclientset.Interface
 	KubevirtClient  kubecli.KubevirtClient
 
-	// with no timeout
 	KubeFactoryClient    kubernetes.Interface
 	KubeOvnFactoryClient clientset.Interface
 
@@ -85,16 +84,17 @@ type Configuration struct {
 	LsDnatModDlDst          bool
 	LsCtSkipDstLportIPs     bool
 
-	EnableLb          bool
-	EnableNP          bool
-	EnableEipSnat     bool
-	EnableExternalVpc bool
-	EnableEcmp        bool
-	EnableKeepVMIP    bool
-	EnableLbSvc       bool
-	EnableMetrics     bool
-	EnableANP         bool
-	EnableOVNIPSec    bool
+	EnableLb                      bool
+	EnableNP                      bool
+	EnableEipSnat                 bool
+	EnableExternalVpc             bool
+	EnableEcmp                    bool
+	EnableKeepVMIP                bool
+	EnableLbSvc                   bool
+	EnableMetrics                 bool
+	EnableANP                     bool
+	EnableOVNIPSec                bool
+	KubevirtLiveMigrationOptimize bool
 
 	ExternalGatewaySwitch   string
 	ExternalGatewayConfigNS string
@@ -154,25 +154,26 @@ func ParseFlags() (*Configuration, error) {
 		argSecureServing   = pflag.Bool("secure-serving", false, "Enable secure serving")
 		argNodePgProbeTime = pflag.Int("nodepg-probe-time", 1, "The probe interval for node port-group, the unit is minute")
 
-		argNetworkType             = pflag.String("network-type", util.NetworkTypeGeneve, "The ovn network type")
-		argDefaultProviderName     = pflag.String("default-provider-name", "provider", "The vlan or vxlan type default provider interface name")
-		argDefaultInterfaceName    = pflag.String("default-interface-name", "", "The default host interface name in the vlan/vxlan type")
-		argDefaultExchangeLinkName = pflag.Bool("default-exchange-link-name", false, "exchange link names of OVS bridge and the provider nic in the default provider-network")
-		argDefaultVlanName         = pflag.String("default-vlan-name", "ovn-vlan", "The default vlan name")
-		argDefaultVlanID           = pflag.Int("default-vlan-id", 1, "The default vlan id")
-		argLsDnatModDlDst          = pflag.Bool("ls-dnat-mod-dl-dst", true, "Set ethernet destination address for DNAT on logical switch")
-		argLsCtSkipDstLportIPs     = pflag.Bool("ls-ct-skip-dst-lport-ips", true, "Skip conntrack for direct traffic between lports")
-		argPodNicType              = pflag.String("pod-nic-type", "veth-pair", "The default pod network nic implementation type")
-		argEnableLb                = pflag.Bool("enable-lb", true, "Enable load balancer")
-		argEnableNP                = pflag.Bool("enable-np", true, "Enable network policy support")
-		argEnableEipSnat           = pflag.Bool("enable-eip-snat", true, "Enable EIP and SNAT")
-		argEnableExternalVpc       = pflag.Bool("enable-external-vpc", true, "Enable external vpc support")
-		argEnableEcmp              = pflag.Bool("enable-ecmp", false, "Enable ecmp route for centralized subnet")
-		argKeepVMIP                = pflag.Bool("keep-vm-ip", true, "Whether to keep ip for kubevirt pod when pod is rebuild")
-		argEnableLbSvc             = pflag.Bool("enable-lb-svc", false, "Whether to support loadbalancer service")
-		argEnableMetrics           = pflag.Bool("enable-metrics", true, "Whether to support metrics query")
-		argEnableANP               = pflag.Bool("enable-anp", false, "Enable support for admin network policy and baseline admin network policy")
-		argEnableOVNIPSec          = pflag.Bool("enable-ovn-ipsec", false, "Whether to enable ovn ipsec")
+		argNetworkType                   = pflag.String("network-type", util.NetworkTypeGeneve, "The ovn network type")
+		argDefaultProviderName           = pflag.String("default-provider-name", "provider", "The vlan or vxlan type default provider interface name")
+		argDefaultInterfaceName          = pflag.String("default-interface-name", "", "The default host interface name in the vlan/vxlan type")
+		argDefaultExchangeLinkName       = pflag.Bool("default-exchange-link-name", false, "exchange link names of OVS bridge and the provider nic in the default provider-network")
+		argDefaultVlanName               = pflag.String("default-vlan-name", "ovn-vlan", "The default vlan name")
+		argDefaultVlanID                 = pflag.Int("default-vlan-id", 1, "The default vlan id")
+		argLsDnatModDlDst                = pflag.Bool("ls-dnat-mod-dl-dst", true, "Set ethernet destination address for DNAT on logical switch")
+		argLsCtSkipDstLportIPs           = pflag.Bool("ls-ct-skip-dst-lport-ips", true, "Skip conntrack for direct traffic between lports")
+		argPodNicType                    = pflag.String("pod-nic-type", "veth-pair", "The default pod network nic implementation type")
+		argEnableLb                      = pflag.Bool("enable-lb", true, "Enable load balancer")
+		argEnableNP                      = pflag.Bool("enable-np", true, "Enable network policy support")
+		argEnableEipSnat                 = pflag.Bool("enable-eip-snat", true, "Enable EIP and SNAT")
+		argEnableExternalVpc             = pflag.Bool("enable-external-vpc", true, "Enable external vpc support")
+		argEnableEcmp                    = pflag.Bool("enable-ecmp", false, "Enable ecmp route for centralized subnet")
+		argKeepVMIP                      = pflag.Bool("keep-vm-ip", true, "Whether to keep ip for kubevirt pod when pod is rebuild")
+		argEnableLbSvc                   = pflag.Bool("enable-lb-svc", false, "Whether to support loadbalancer service")
+		argEnableMetrics                 = pflag.Bool("enable-metrics", true, "Whether to support metrics query")
+		argEnableANP                     = pflag.Bool("enable-anp", false, "Enable support for admin network policy and baseline admin network policy")
+		argEnableOVNIPSec                = pflag.Bool("enable-ovn-ipsec", false, "Whether to enable ovn ipsec")
+		argKubevirtLiveMigrationOptimize = pflag.Bool("kubevirt-live-migration-optimize", false, "Whether to enable kubevirt live migration optimize")
 
 		argExternalGatewayConfigNS = pflag.String("external-gateway-config-ns", "kube-system", "The namespace of configmap external-gateway-config, default: kube-system")
 		argExternalGatewaySwitch   = pflag.String("external-gateway-switch", "external", "The name of the external gateway switch which is a ovs bridge to provide external network, default: external")
@@ -265,6 +266,7 @@ func ParseFlags() (*Configuration, error) {
 		EnableLbSvc:                    *argEnableLbSvc,
 		EnableMetrics:                  *argEnableMetrics,
 		EnableOVNIPSec:                 *argEnableOVNIPSec,
+		KubevirtLiveMigrationOptimize:  *argKubevirtLiveMigrationOptimize,
 		BfdMinTx:                       *argBfdMinTx,
 		BfdMinRx:                       *argBfdMinRx,
 		BfdDetectMult:                  *argBfdDetectMult,