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vpc.go
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package controller
import (
"context"
"encoding/json"
"errors"
"fmt"
"maps"
"math"
"net"
"reflect"
"slices"
"sort"
"strings"
"time"
v1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
kubeovnv1 "github.com/kubeovn/kube-ovn/pkg/apis/kubeovn/v1"
"github.com/kubeovn/kube-ovn/pkg/ovsdb/ovnnb"
"github.com/kubeovn/kube-ovn/pkg/util"
)
func (c *Controller) enqueueAddVpc(obj interface{}) {
vpc := obj.(*kubeovnv1.Vpc)
key := cache.MetaObjectToName(vpc).String()
if _, ok := vpc.Labels[util.VpcExternalLabel]; !ok {
klog.V(3).Infof("enqueue add vpc %s", key)
c.addOrUpdateVpcQueue.Add(key)
}
}
func vpcBFDPortChanged(oldObj, newObj *kubeovnv1.BFDPort) bool {
if oldObj == nil && newObj == nil {
return false
}
if oldObj == nil || newObj == nil {
return true
}
return oldObj.Enabled != newObj.Enabled || oldObj.IP != newObj.IP || !reflect.DeepEqual(oldObj.NodeSelector, newObj.NodeSelector)
}
func (c *Controller) enqueueUpdateVpc(oldObj, newObj interface{}) {
oldVpc := oldObj.(*kubeovnv1.Vpc)
newVpc := newObj.(*kubeovnv1.Vpc)
if !newVpc.DeletionTimestamp.IsZero() ||
!slices.Equal(oldVpc.Spec.Namespaces, newVpc.Spec.Namespaces) ||
!reflect.DeepEqual(oldVpc.Spec.StaticRoutes, newVpc.Spec.StaticRoutes) ||
!reflect.DeepEqual(oldVpc.Spec.PolicyRoutes, newVpc.Spec.PolicyRoutes) ||
!reflect.DeepEqual(oldVpc.Spec.VpcPeerings, newVpc.Spec.VpcPeerings) ||
!maps.Equal(oldVpc.Annotations, newVpc.Annotations) ||
!slices.Equal(oldVpc.Spec.ExtraExternalSubnets, newVpc.Spec.ExtraExternalSubnets) ||
oldVpc.Spec.EnableExternal != newVpc.Spec.EnableExternal ||
oldVpc.Spec.EnableBfd != newVpc.Spec.EnableBfd ||
vpcBFDPortChanged(oldVpc.Spec.BFDPort, newVpc.Spec.BFDPort) ||
oldVpc.Labels[util.VpcExternalLabel] != newVpc.Labels[util.VpcExternalLabel] {
// TODO:// label VpcExternalLabel replace with spec enable external
if newVpc.Annotations == nil {
newVpc.Annotations = make(map[string]string)
}
newVpc.Annotations[util.VpcLastPolicies] = convertPolicies(oldVpc.Spec.PolicyRoutes)
key := cache.MetaObjectToName(newVpc).String()
klog.Infof("enqueue update vpc %s", key)
c.addOrUpdateVpcQueue.Add(key)
}
}
func (c *Controller) enqueueDelVpc(obj interface{}) {
vpc := obj.(*kubeovnv1.Vpc)
if _, ok := vpc.Labels[util.VpcExternalLabel]; !vpc.Status.Default || !ok {
klog.V(3).Infof("enqueue delete vpc %s", vpc.Name)
c.delVpcQueue.Add(vpc)
}
}
func (c *Controller) handleDelVpc(vpc *kubeovnv1.Vpc) error {
c.vpcKeyMutex.LockKey(vpc.Name)
defer func() { _ = c.vpcKeyMutex.UnlockKey(vpc.Name) }()
klog.Infof("handle delete vpc %s", vpc.Name)
// should delete vpc subnets first
var err error
for _, subnet := range vpc.Status.Subnets {
if _, err = c.subnetsLister.Get(subnet); err != nil {
if k8serrors.IsNotFound(err) {
continue
}
err = fmt.Errorf("failed to get subnet %s for vpc %s: %w", subnet, vpc.Name, err)
} else {
err = fmt.Errorf("failed to delete vpc %s, please delete subnet %s first", vpc.Name, subnet)
}
klog.Error(err)
return err
}
if err := c.deleteVpcLb(vpc); err != nil {
klog.Error(err)
return err
}
if err := c.handleDelVpcExternalSubnet(vpc.Name, c.config.ExternalGatewaySwitch); err != nil {
klog.Errorf("failed to delete external connection for vpc %s, error %v", vpc.Name, err)
return err
}
for _, subnet := range vpc.Status.ExtraExternalSubnets {
klog.Infof("disconnect external network %s to vpc %s", subnet, vpc.Name)
if err := c.handleDelVpcExternalSubnet(vpc.Name, subnet); err != nil {
klog.Error(err)
return err
}
}
if err := c.deleteVpcRouter(vpc.Status.Router); err != nil {
klog.Error(err)
return err
}
return nil
}
func (c *Controller) handleUpdateVpcStatus(key string) error {
c.vpcKeyMutex.LockKey(key)
defer func() { _ = c.vpcKeyMutex.UnlockKey(key) }()
klog.Infof("handle status update for vpc %s", key)
cachedVpc, err := c.vpcsLister.Get(key)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
klog.Error(err)
return err
}
vpc := cachedVpc.DeepCopy()
subnets, defaultSubnet, err := c.getVpcSubnets(vpc)
if err != nil {
klog.Error(err)
return err
}
change := false
if vpc.Status.DefaultLogicalSwitch != defaultSubnet {
change = true
}
vpc.Status.DefaultLogicalSwitch = defaultSubnet
vpc.Status.Subnets = subnets
if !vpc.Spec.BFDPort.IsEnabled() && !vpc.Status.BFDPort.IsEmpty() {
vpc.Status.BFDPort.Clear()
}
bytes, err := vpc.Status.Bytes()
if err != nil {
klog.Error(err)
return err
}
vpc, err = c.config.KubeOvnClient.KubeovnV1().Vpcs().Patch(context.Background(), vpc.Name, types.MergePatchType, bytes, metav1.PatchOptions{}, "status")
if err != nil {
klog.Error(err)
return err
}
if len(vpc.Status.Subnets) == 0 {
klog.Infof("vpc %s has no subnets, add to queue", vpc.Name)
c.addOrUpdateVpcQueue.AddAfter(vpc.Name, 5*time.Second)
}
if change {
for _, ns := range vpc.Spec.Namespaces {
c.addNamespaceQueue.Add(ns)
}
}
natGws, err := c.vpcNatGatewayLister.List(labels.Everything())
if err != nil {
klog.Error(err)
return err
}
for _, gw := range natGws {
if key == gw.Spec.Vpc {
c.updateVpcSubnetQueue.Add(gw.Name)
}
}
return nil
}
type VpcLoadBalancer struct {
TCPLoadBalancer string
TCPSessLoadBalancer string
UDPLoadBalancer string
UDPSessLoadBalancer string
SctpLoadBalancer string
SctpSessLoadBalancer string
}
func (c *Controller) GenVpcLoadBalancer(vpcKey string) *VpcLoadBalancer {
if vpcKey == c.config.ClusterRouter || vpcKey == "" {
return &VpcLoadBalancer{
TCPLoadBalancer: c.config.ClusterTCPLoadBalancer,
TCPSessLoadBalancer: c.config.ClusterTCPSessionLoadBalancer,
UDPLoadBalancer: c.config.ClusterUDPLoadBalancer,
UDPSessLoadBalancer: c.config.ClusterUDPSessionLoadBalancer,
SctpLoadBalancer: c.config.ClusterSctpLoadBalancer,
SctpSessLoadBalancer: c.config.ClusterSctpSessionLoadBalancer,
}
}
return &VpcLoadBalancer{
TCPLoadBalancer: fmt.Sprintf("vpc-%s-tcp-load", vpcKey),
TCPSessLoadBalancer: fmt.Sprintf("vpc-%s-tcp-sess-load", vpcKey),
UDPLoadBalancer: fmt.Sprintf("vpc-%s-udp-load", vpcKey),
UDPSessLoadBalancer: fmt.Sprintf("vpc-%s-udp-sess-load", vpcKey),
SctpLoadBalancer: fmt.Sprintf("vpc-%s-sctp-load", vpcKey),
SctpSessLoadBalancer: fmt.Sprintf("vpc-%s-sctp-sess-load", vpcKey),
}
}
func (c *Controller) addLoadBalancer(vpc string) (*VpcLoadBalancer, error) {
vpcLbConfig := c.GenVpcLoadBalancer(vpc)
if err := c.initLB(vpcLbConfig.TCPLoadBalancer, string(v1.ProtocolTCP), false); err != nil {
return nil, err
}
if err := c.initLB(vpcLbConfig.TCPSessLoadBalancer, string(v1.ProtocolTCP), true); err != nil {
return nil, err
}
if err := c.initLB(vpcLbConfig.UDPLoadBalancer, string(v1.ProtocolUDP), false); err != nil {
return nil, err
}
if err := c.initLB(vpcLbConfig.UDPSessLoadBalancer, string(v1.ProtocolUDP), true); err != nil {
return nil, err
}
if err := c.initLB(vpcLbConfig.SctpLoadBalancer, string(v1.ProtocolSCTP), false); err != nil {
return nil, err
}
if err := c.initLB(vpcLbConfig.SctpSessLoadBalancer, string(v1.ProtocolSCTP), true); err != nil {
return nil, err
}
return vpcLbConfig, nil
}
func (c *Controller) handleAddOrUpdateVpc(key string) error {
c.vpcKeyMutex.LockKey(key)
defer func() { _ = c.vpcKeyMutex.UnlockKey(key) }()
klog.Infof("handle add/update vpc %s", key)
cachedVpc, err := c.vpcsLister.Get(key)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
klog.Error(err)
return err
}
vpc, err := c.formatVpc(cachedVpc.DeepCopy())
if err != nil {
klog.Errorf("failed to format vpc %s: %v", key, err)
return err
}
if err = c.createVpcRouter(key); err != nil {
klog.Errorf("failed to create vpc router for vpc %s: %v", key, err)
return err
}
var newPeers []string
for _, peering := range vpc.Spec.VpcPeerings {
if err = util.CheckCidrs(peering.LocalConnectIP); err != nil {
klog.Errorf("invalid cidr %s", peering.LocalConnectIP)
return err
}
newPeers = append(newPeers, peering.RemoteVpc)
if err := c.OVNNbClient.CreatePeerRouterPort(vpc.Name, peering.RemoteVpc, peering.LocalConnectIP); err != nil {
klog.Errorf("create peer router port for vpc %s, %v", vpc.Name, err)
return err
}
}
for _, oldPeer := range vpc.Status.VpcPeerings {
if !slices.Contains(newPeers, oldPeer) {
if err = c.OVNNbClient.DeleteLogicalRouterPort(fmt.Sprintf("%s-%s", vpc.Name, oldPeer)); err != nil {
klog.Errorf("delete peer router port for vpc %s, %v", vpc.Name, err)
return err
}
}
}
// handle static route
var (
staticExistedRoutes []*ovnnb.LogicalRouterStaticRoute
staticTargetRoutes []*kubeovnv1.StaticRoute
staticRouteMapping map[string][]*kubeovnv1.StaticRoute
)
staticExistedRoutes, err = c.OVNNbClient.ListLogicalRouterStaticRoutes(vpc.Name, nil, nil, "", nil)
if err != nil {
klog.Errorf("failed to get vpc %s static route list, %v", vpc.Name, err)
return err
}
var externalSubnet *kubeovnv1.Subnet
externalSubnetExist := false
if c.config.EnableEipSnat {
externalSubnet, err = c.subnetsLister.Get(c.config.ExternalGatewaySwitch)
if err != nil {
klog.Warningf("enable-eip-snat need external subnet %s to be exist: %v", c.config.ExternalGatewaySwitch, err)
} else {
externalSubnetExist = true
}
}
staticRouteMapping = c.getRouteTablesByVpc(vpc)
staticTargetRoutes = vpc.Spec.StaticRoutes
if vpc.Name == c.config.ClusterRouter {
if _, ok := staticRouteMapping[util.MainRouteTable]; !ok {
staticRouteMapping[util.MainRouteTable] = nil
}
joinSubnet, err := c.subnetsLister.Get(c.config.NodeSwitch)
if err != nil {
if !k8serrors.IsNotFound(err) {
klog.Errorf("failed to get node switch subnet %s: %v", c.config.NodeSwitch, err)
return err
}
c.addOrUpdateVpcQueue.Add(vpc.Name)
return nil
}
gatewayV4, gatewayV6 := util.SplitStringIP(joinSubnet.Spec.Gateway)
if gatewayV4 != "" {
for table := range staticRouteMapping {
staticTargetRoutes = append(
staticTargetRoutes,
&kubeovnv1.StaticRoute{
Policy: kubeovnv1.PolicyDst,
CIDR: "0.0.0.0/0",
NextHopIP: gatewayV4,
RouteTable: table,
},
)
}
}
if gatewayV6 != "" {
for table := range staticRouteMapping {
staticTargetRoutes = append(
staticTargetRoutes,
&kubeovnv1.StaticRoute{
Policy: kubeovnv1.PolicyDst,
CIDR: "::/0",
NextHopIP: gatewayV6,
RouteTable: table,
},
)
}
}
if c.config.EnableEipSnat {
cm, err := c.configMapsLister.ConfigMaps(c.config.ExternalGatewayConfigNS).Get(util.ExternalGatewayConfig)
if err == nil {
nextHop := cm.Data["external-gw-addr"]
if nextHop == "" {
if !externalSubnetExist {
err = fmt.Errorf("failed to get external subnet %s", c.config.ExternalGatewaySwitch)
klog.Error(err)
return err
}
nextHop = externalSubnet.Spec.Gateway
if nextHop == "" {
klog.Errorf("no available gateway address")
return errors.New("no available gateway address")
}
}
if strings.Contains(nextHop, "/") {
nextHop = strings.Split(nextHop, "/")[0]
}
lr, err := c.OVNNbClient.GetLogicalRouter(vpc.Name, false)
if err != nil {
klog.Errorf("failed to get logical router %s: %v", vpc.Name, err)
return err
}
for _, nat := range lr.Nat {
info, err := c.OVNNbClient.GetNATByUUID(nat)
if err != nil {
klog.Errorf("failed to get nat ip info for vpc %s, %v", vpc.Name, err)
return err
}
if info.LogicalIP != "" {
for table := range staticRouteMapping {
staticTargetRoutes = append(
staticTargetRoutes,
&kubeovnv1.StaticRoute{
Policy: kubeovnv1.PolicySrc,
CIDR: info.LogicalIP,
NextHopIP: nextHop,
RouteTable: table,
},
)
}
}
}
}
}
}
routeNeedDel, routeNeedAdd, err := diffStaticRoute(staticExistedRoutes, staticTargetRoutes)
if err != nil {
klog.Errorf("failed to diff vpc %s static route, %v", vpc.Name, err)
return err
}
for _, item := range routeNeedDel {
klog.Infof("vpc %s del static route: %+v", vpc.Name, item)
policy := convertPolicy(item.Policy)
if err = c.OVNNbClient.DeleteLogicalRouterStaticRoute(vpc.Name, &item.RouteTable, &policy, item.CIDR, item.NextHopIP); err != nil {
klog.Errorf("del vpc %s static route failed, %v", vpc.Name, err)
return err
}
}
for _, item := range routeNeedAdd {
if item.BfdID != "" {
klog.Infof("vpc %s add static ecmp route: %+v", vpc.Name, item)
if err = c.OVNNbClient.AddLogicalRouterStaticRoute(
vpc.Name, item.RouteTable, convertPolicy(item.Policy), item.CIDR, &item.BfdID, nil, item.NextHopIP,
); err != nil {
klog.Errorf("failed to add bfd static route to vpc %s , %v", vpc.Name, err)
return err
}
} else {
klog.Infof("vpc %s add static route: %+v", vpc.Name, item)
if err = c.OVNNbClient.AddLogicalRouterStaticRoute(
vpc.Name, item.RouteTable, convertPolicy(item.Policy), item.CIDR, nil, nil, item.NextHopIP,
); err != nil {
klog.Errorf("failed to add normal static route to vpc %s , %v", vpc.Name, err)
return err
}
}
}
// handle policy route
var (
policyRouteExisted, policyRouteNeedDel, policyRouteNeedAdd []*kubeovnv1.PolicyRoute
policyRouteLogical []*ovnnb.LogicalRouterPolicy
externalIDs = map[string]string{"vendor": util.CniTypeName}
)
if vpc.Name == c.config.ClusterRouter {
policyRouteExisted = reversePolicies(vpc.Annotations[util.VpcLastPolicies])
// diff list
policyRouteNeedDel, policyRouteNeedAdd = diffPolicyRouteWithExisted(policyRouteExisted, vpc.Spec.PolicyRoutes)
} else {
if vpc.Spec.PolicyRoutes == nil {
// do not clean default vpc policy routes
if err = c.OVNNbClient.ClearLogicalRouterPolicy(vpc.Name); err != nil {
klog.Errorf("clean all vpc %s policy route failed, %v", vpc.Name, err)
return err
}
} else {
policyRouteLogical, err = c.OVNNbClient.ListLogicalRouterPolicies(vpc.Name, -1, nil, true)
if err != nil {
klog.Errorf("failed to get vpc %s policy route list, %v", vpc.Name, err)
return err
}
// diff vpc policy route
policyRouteNeedDel, policyRouteNeedAdd = diffPolicyRouteWithLogical(policyRouteLogical, vpc.Spec.PolicyRoutes)
}
}
// delete policies non-exist
for _, item := range policyRouteNeedDel {
klog.Infof("delete policy route for router: %s, priority: %d, match %s", vpc.Name, item.Priority, item.Match)
if err = c.OVNNbClient.DeleteLogicalRouterPolicy(vpc.Name, item.Priority, item.Match); err != nil {
klog.Errorf("del vpc %s policy route failed, %v", vpc.Name, err)
return err
}
}
// add new policies
for _, item := range policyRouteNeedAdd {
klog.Infof("add policy route for router: %s, match %s, action %s, nexthop %s, externalID %v", c.config.ClusterRouter, item.Match, string(item.Action), item.NextHopIP, externalIDs)
if err = c.OVNNbClient.AddLogicalRouterPolicy(vpc.Name, item.Priority, item.Match, string(item.Action), []string{item.NextHopIP}, nil, externalIDs); err != nil {
klog.Errorf("add policy route to vpc %s failed, %v", vpc.Name, err)
return err
}
}
vpc.Status.Router = key
vpc.Status.Standby = true
vpc.Status.VpcPeerings = newPeers
if c.config.EnableLb {
vpcLb, err := c.addLoadBalancer(key)
if err != nil {
klog.Error(err)
return err
}
vpc.Status.TCPLoadBalancer = vpcLb.TCPLoadBalancer
vpc.Status.TCPSessionLoadBalancer = vpcLb.TCPSessLoadBalancer
vpc.Status.UDPLoadBalancer = vpcLb.UDPLoadBalancer
vpc.Status.UDPSessionLoadBalancer = vpcLb.UDPSessLoadBalancer
vpc.Status.SctpLoadBalancer = vpcLb.SctpLoadBalancer
vpc.Status.SctpSessionLoadBalancer = vpcLb.SctpSessLoadBalancer
}
bytes, err := vpc.Status.Bytes()
if err != nil {
klog.Error(err)
return err
}
vpc, err = c.config.KubeOvnClient.KubeovnV1().Vpcs().Patch(context.Background(), vpc.Name, types.MergePatchType, bytes, metav1.PatchOptions{}, "status")
if err != nil {
klog.Error(err)
return err
}
if len(vpc.Annotations) != 0 && strings.ToLower(vpc.Annotations[util.VpcLbAnnotation]) == "on" {
if err = c.createVpcLb(vpc); err != nil {
klog.Error(err)
return err
}
} else if err = c.deleteVpcLb(vpc); err != nil {
klog.Error(err)
return err
}
subnets, err := c.subnetsLister.List(labels.Everything())
if err != nil {
klog.Error(err)
return err
}
custVpcEnableExternalMultiHopEcmp := false
for _, subnet := range subnets {
if subnet.Spec.Vpc == key {
c.addOrUpdateSubnetQueue.Add(subnet.Name)
if vpc.Name != util.DefaultVpc && vpc.Spec.EnableBfd && subnet.Spec.EnableEcmp {
custVpcEnableExternalMultiHopEcmp = true
}
}
}
if vpc.Name != util.DefaultVpc {
if cachedVpc.Spec.EnableExternal {
if !externalSubnetExist {
err = fmt.Errorf("failed to get external subnet %s", c.config.ExternalGatewaySwitch)
klog.Error(err)
return err
}
if externalSubnet.Spec.LogicalGateway {
klog.Infof("no need to handle external connection for logical gw external subnet %s", c.config.ExternalGatewaySwitch)
return nil
}
if !cachedVpc.Status.EnableExternal {
// connect vpc to default external
klog.Infof("connect external network with vpc %s", vpc.Name)
if err := c.handleAddVpcExternalSubnet(key, c.config.ExternalGatewaySwitch); err != nil {
klog.Errorf("failed to add default external connection for vpc %s, error %v", key, err)
return err
}
}
if vpc.Spec.EnableBfd {
// create bfd between lrp and physical switch gw
// bfd status down means current lrp binding chassis node external nic lost external network connectivity
// should switch lrp to another node
lrpEipName := fmt.Sprintf("%s-%s", key, c.config.ExternalGatewaySwitch)
v4ExtGw, _ := util.SplitStringIP(externalSubnet.Spec.Gateway)
// TODO: dualstack
if _, err := c.OVNNbClient.CreateBFD(lrpEipName, v4ExtGw, c.config.BfdMinRx, c.config.BfdMinTx, c.config.BfdDetectMult, nil); err != nil {
klog.Error(err)
return err
}
// TODO: support multi external nic
if custVpcEnableExternalMultiHopEcmp {
klog.Infof("remove normal static ecmp route for vpc %s", vpc.Name)
// auto remove normal type static route, if using ecmp based bfd
if err := c.reconcileCustomVpcDelNormalStaticRoute(vpc.Name); err != nil {
klog.Errorf("failed to reconcile del vpc %q normal static route", vpc.Name)
return err
}
}
}
if cachedVpc.Spec.ExtraExternalSubnets != nil {
sort.Strings(vpc.Spec.ExtraExternalSubnets)
}
// add external subnets only in spec and delete external subnets only in status
if !slices.Equal(vpc.Spec.ExtraExternalSubnets, vpc.Status.ExtraExternalSubnets) {
for _, subnetStatus := range cachedVpc.Status.ExtraExternalSubnets {
if !slices.Contains(cachedVpc.Spec.ExtraExternalSubnets, subnetStatus) {
klog.Infof("delete external subnet %s connection for vpc %s", subnetStatus, vpc.Name)
if err := c.handleDelVpcExternalSubnet(vpc.Name, subnetStatus); err != nil {
klog.Errorf("failed to delete external subnet %s connection for vpc %s, error %v", subnetStatus, vpc.Name, err)
return err
}
}
}
for _, subnetSpec := range cachedVpc.Spec.ExtraExternalSubnets {
if !slices.Contains(cachedVpc.Status.ExtraExternalSubnets, subnetSpec) {
klog.Infof("connect external subnet %s with vpc %s", subnetSpec, vpc.Name)
if err := c.handleAddVpcExternalSubnet(key, subnetSpec); err != nil {
klog.Errorf("failed to add external subnet %s connection for vpc %s, error %v", subnetSpec, key, err)
return err
}
}
}
if err := c.updateVpcAddExternalStatus(key, true); err != nil {
klog.Errorf("failed to update additional external subnets status, %v", err)
return err
}
}
}
if !cachedVpc.Spec.EnableBfd && cachedVpc.Status.EnableBfd {
lrpEipName := fmt.Sprintf("%s-%s", key, c.config.ExternalGatewaySwitch)
if err := c.OVNNbClient.DeleteBFDByDstIP(lrpEipName, ""); err != nil {
klog.Error(err)
return err
}
if err := c.handleDeleteVpcStaticRoute(key); err != nil {
klog.Errorf("failed to delete bfd route for vpc %s, error %v", key, err)
return err
}
}
if !cachedVpc.Spec.EnableExternal && cachedVpc.Status.EnableExternal {
// disconnect vpc to default external
if err := c.handleDelVpcExternalSubnet(key, c.config.ExternalGatewaySwitch); err != nil {
klog.Errorf("failed to delete external connection for vpc %s, error %v", key, err)
return err
}
}
if cachedVpc.Status.ExtraExternalSubnets != nil && !cachedVpc.Spec.EnableExternal {
// disconnect vpc to extra external subnets
for _, subnet := range cachedVpc.Status.ExtraExternalSubnets {
klog.Infof("disconnect external network %s to vpc %s", subnet, vpc.Name)
if err := c.handleDelVpcExternalSubnet(key, subnet); err != nil {
klog.Error(err)
return err
}
}
if err := c.updateVpcAddExternalStatus(key, false); err != nil {
klog.Errorf("failed to update additional external subnets status, %v", err)
return err
}
}
}
bfdPortName, bfdPortNodes, err := c.reconcileVpcBfdLRP(vpc)
if err != nil {
klog.Error(err)
return err
}
if vpc.Spec.BFDPort == nil || !vpc.Spec.BFDPort.Enabled {
vpc.Status.BFDPort = kubeovnv1.BFDPortStatus{}
} else {
vpc.Status.BFDPort = kubeovnv1.BFDPortStatus{
Name: bfdPortName,
IP: vpc.Spec.BFDPort.IP,
Nodes: bfdPortNodes,
}
}
if _, err = c.config.KubeOvnClient.KubeovnV1().Vpcs().
UpdateStatus(context.Background(), vpc, metav1.UpdateOptions{}); err != nil {
klog.Error(err)
return err
}
return nil
}
func (c *Controller) reconcileVpcBfdLRP(vpc *kubeovnv1.Vpc) (string, []string, error) {
portName := "bfd@" + vpc.Name
if vpc.Spec.BFDPort == nil || !vpc.Spec.BFDPort.Enabled {
if err := c.OVNNbClient.DeleteLogicalRouterPort(portName); err != nil {
err = fmt.Errorf("failed to delete BFD LRP %s: %w", portName, err)
klog.Error(err)
return portName, nil, err
}
if err := c.OVNNbClient.DeleteHAChassisGroup(portName); err != nil {
err = fmt.Errorf("failed to delete HA chassis group %s: %w", portName, err)
klog.Error(err)
return portName, nil, err
}
return portName, nil, nil
}
var err error
chassisCount := 3
selector := labels.Everything()
if vpc.Spec.BFDPort.NodeSelector != nil {
chassisCount = math.MaxInt
if selector, err = metav1.LabelSelectorAsSelector(vpc.Spec.BFDPort.NodeSelector); err != nil {
err = fmt.Errorf("failed to parse node selector %q: %w", vpc.Spec.BFDPort.NodeSelector.String(), err)
klog.Error(err)
return portName, nil, err
}
}
nodes, err := c.nodesLister.List(selector)
if err != nil {
err = fmt.Errorf("failed to list nodes with selector %q: %w", vpc.Spec.BFDPort.NodeSelector, err)
klog.Error(err)
return portName, nil, err
}
if len(nodes) == 0 {
err = fmt.Errorf("no nodes found by selector %q", selector.String())
klog.Error(err)
return portName, nil, err
}
nodeNames := make([]string, 0, len(nodes))
chassisCount = min(chassisCount, len(nodes))
chassisNames := make([]string, 0, chassisCount)
for _, nodes := range nodes[:chassisCount] {
chassis, err := c.OVNSbClient.GetChassisByHost(nodes.Name)
if err != nil {
err = fmt.Errorf("failed to get chassis of node %s: %w", nodes.Name, err)
klog.Error(err)
return portName, nil, err
}
chassisNames = append(chassisNames, chassis.Name)
nodeNames = append(nodeNames, nodes.Name)
}
networks := strings.Split(vpc.Spec.BFDPort.IP, ",")
if err = c.OVNNbClient.CreateLogicalRouterPort(vpc.Name, portName, "", networks); err != nil {
klog.Error(err)
return portName, nil, err
}
if err = c.OVNNbClient.UpdateLogicalRouterPortNetworks(portName, networks); err != nil {
klog.Error(err)
return portName, nil, err
}
if err = c.OVNNbClient.UpdateLogicalRouterPortOptions(portName, map[string]string{"bfd-only": "true"}); err != nil {
klog.Error(err)
return portName, nil, err
}
if err = c.OVNNbClient.CreateHAChassisGroup(portName, chassisNames, map[string]string{"lrp": portName}); err != nil {
klog.Error(err)
return portName, nil, err
}
if err = c.OVNNbClient.SetLogicalRouterPortHAChassisGroup(portName, portName); err != nil {
klog.Error(err)
return portName, nil, err
}
return portName, nodeNames, nil
}
func (c *Controller) addPolicyRouteToVpc(vpcName string, policy *kubeovnv1.PolicyRoute, externalIDs map[string]string) error {
var (
nextHops []string
err error
)
if policy.NextHopIP != "" {
nextHops = strings.Split(policy.NextHopIP, ",")
}
if err = c.OVNNbClient.AddLogicalRouterPolicy(vpcName, policy.Priority, policy.Match, string(policy.Action), nextHops, nil, externalIDs); err != nil {
klog.Errorf("add policy route to vpc %s failed, %v", vpcName, err)
return err
}
return nil
}
func buildExternalIDsMapKey(match, action string, priority int) string {
return fmt.Sprintf("%s-%s-%d", match, action, priority)
}
func (c *Controller) batchAddPolicyRouteToVpc(name string, policies []*kubeovnv1.PolicyRoute, externalIDs map[string]map[string]string) error {
if len(policies) == 0 {
return nil
}
start := time.Now()
routerPolicies := make([]*ovnnb.LogicalRouterPolicy, 0, len(policies))
for _, policy := range policies {
var nextHops []string
if policy.NextHopIP != "" {
nextHops = strings.Split(policy.NextHopIP, ",")
}
routerPolicies = append(routerPolicies, &ovnnb.LogicalRouterPolicy{
Priority: policy.Priority,
Nexthops: nextHops,
Action: string(policy.Action),
Match: policy.Match,
ExternalIDs: externalIDs[buildExternalIDsMapKey(policy.Match, string(policy.Action), policy.Priority)],
})
}
if err := c.OVNNbClient.BatchAddLogicalRouterPolicy(name, routerPolicies...); err != nil {
klog.Errorf("batch add policy route to vpc %s failed, %v", name, err)
return err
}
klog.Infof("take to %v batch add policy route to vpc %s policies %d", time.Since(start), name, len(policies))
return nil
}
func (c *Controller) deletePolicyRouteFromVpc(vpcName string, priority int, match string) error {
var (
vpc, cachedVpc *kubeovnv1.Vpc
err error
)
if err = c.OVNNbClient.DeleteLogicalRouterPolicy(vpcName, priority, match); err != nil {
klog.Error(err)
return err
}
cachedVpc, err = c.vpcsLister.Get(vpcName)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
klog.Error(err)
return err
}
vpc = cachedVpc.DeepCopy()
// make sure custom policies not be deleted
_, err = c.config.KubeOvnClient.KubeovnV1().Vpcs().Update(context.Background(), vpc, metav1.UpdateOptions{})
if err != nil {
klog.Error(err)
return err
}
return nil
}
func (c *Controller) batchDeletePolicyRouteFromVpc(name string, policies []*kubeovnv1.PolicyRoute) error {
var (
vpc, cachedVpc *kubeovnv1.Vpc
err error
)
start := time.Now()
routerPolicies := make([]*ovnnb.LogicalRouterPolicy, 0, len(policies))
for _, policy := range policies {
routerPolicies = append(routerPolicies, &ovnnb.LogicalRouterPolicy{
Priority: policy.Priority,
Match: policy.Match,
})
}
if err = c.OVNNbClient.BatchDeleteLogicalRouterPolicy(name, routerPolicies); err != nil {
return err
}
klog.V(3).Infof("take to %v batch delete policy route from vpc %s policies %d", time.Since(start), name, len(policies))
cachedVpc, err = c.vpcsLister.Get(name)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
klog.Error(err)
return err
}
vpc = cachedVpc.DeepCopy()
// make sure custom policies not be deleted
_, err = c.config.KubeOvnClient.KubeovnV1().Vpcs().Update(context.Background(), vpc, metav1.UpdateOptions{})
if err != nil {
klog.Error(err)
return err
}
return nil
}
func (c *Controller) addStaticRouteToVpc(name string, route *kubeovnv1.StaticRoute) error {
if route.BfdID != "" {
klog.Infof("vpc %s add static ecmp route: %+v", name, route)
if err := c.OVNNbClient.AddLogicalRouterStaticRoute(
name, route.RouteTable, convertPolicy(route.Policy), route.CIDR, &route.BfdID, nil, route.NextHopIP,
); err != nil {
klog.Errorf("failed to add bfd static route to vpc %s , %v", name, err)
return err
}
} else {
klog.Infof("vpc %s add static route: %+v", name, route)
if err := c.OVNNbClient.AddLogicalRouterStaticRoute(
name, route.RouteTable, convertPolicy(route.Policy), route.CIDR, nil, nil, route.NextHopIP,
); err != nil {
klog.Errorf("failed to add normal static route to vpc %s , %v", name, err)
return err
}
}
return nil
}
func (c *Controller) deleteStaticRouteFromVpc(name, table, cidr, nextHop string, policy kubeovnv1.RoutePolicy) error {
var (
policyStr string
err error
)
policyStr = convertPolicy(policy)
if err = c.OVNNbClient.DeleteLogicalRouterStaticRoute(name, &table, &policyStr, cidr, nextHop); err != nil {
klog.Errorf("del vpc %s static route failed, %v", name, err)
return err
}
return nil
}
func (c *Controller) batchDeleteStaticRouteFromVpc(name string, staticRoutes []*kubeovnv1.StaticRoute) error {
var (
vpc, cachedVpc *kubeovnv1.Vpc
err error
)
start := time.Now()
routeCount := len(staticRoutes)
delRoutes := make([]*ovnnb.LogicalRouterStaticRoute, 0, routeCount)
for _, sr := range staticRoutes {
policyStr := convertPolicy(sr.Policy)
newRoute := &ovnnb.LogicalRouterStaticRoute{
RouteTable: sr.RouteTable,
Nexthop: sr.NextHopIP,
Policy: &policyStr,
IPPrefix: sr.CIDR,
}
delRoutes = append(delRoutes, newRoute)
}
if err = c.OVNNbClient.BatchDeleteLogicalRouterStaticRoute(name, delRoutes); err != nil {
klog.Errorf("batch del vpc %s static route %d failed, %v", name, routeCount, err)
return err
}
klog.V(3).Infof("take to %v batch delete static route from vpc %s static routes %d", time.Since(start), name, len(delRoutes))
cachedVpc, err = c.vpcsLister.Get(name)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
klog.Error(err)
return err
}
vpc = cachedVpc.DeepCopy()
// make sure custom policies not be deleted
_, err = c.config.KubeOvnClient.KubeovnV1().Vpcs().Update(context.Background(), vpc, metav1.UpdateOptions{})
if err != nil {
klog.Error(err)
return err
}
return nil
}
func diffPolicyRouteWithExisted(exists, target []*kubeovnv1.PolicyRoute) ([]*kubeovnv1.PolicyRoute, []*kubeovnv1.PolicyRoute) {
var (
dels, adds []*kubeovnv1.PolicyRoute
existsMap map[string]*kubeovnv1.PolicyRoute
key string
ok bool
)
existsMap = make(map[string]*kubeovnv1.PolicyRoute, len(exists))
for _, item := range exists {
existsMap[getPolicyRouteItemKey(item)] = item
}
// load policies to add
for _, item := range target {
key = getPolicyRouteItemKey(item)
if _, ok = existsMap[key]; ok {
delete(existsMap, key)
} else {
adds = append(adds, item)
}
}
// load policies to delete
for _, item := range existsMap {
dels = append(dels, item)
}
return dels, adds
}
func diffPolicyRouteWithLogical(exists []*ovnnb.LogicalRouterPolicy, target []*kubeovnv1.PolicyRoute) ([]*kubeovnv1.PolicyRoute, []*kubeovnv1.PolicyRoute) {
var (
dels, adds []*kubeovnv1.PolicyRoute
existsMap map[string]*kubeovnv1.PolicyRoute
key string
ok bool
)
existsMap = make(map[string]*kubeovnv1.PolicyRoute, len(exists))
for _, item := range exists {
policy := &kubeovnv1.PolicyRoute{
Priority: item.Priority,
Match: item.Match,
Action: kubeovnv1.PolicyRouteAction(item.Action),
}
existsMap[getPolicyRouteItemKey(policy)] = policy
}
for _, item := range target {
key = getPolicyRouteItemKey(item)