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vpc.go
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vpc.go
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package controller
import (
"context"
"encoding/json"
"fmt"
"net"
"reflect"
"strings"
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"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
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{}) {
var (
key string
err error
)
if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
utilruntime.HandleError(err)
return
}
klog.V(3).Infof("enqueue add vpc %s", key)
vpc := obj.(*kubeovnv1.Vpc)
if _, ok := vpc.Labels[util.VpcExternalLabel]; !ok {
c.addOrUpdateVpcQueue.Add(key)
}
}
func (c *Controller) enqueueUpdateVpc(oldObj, newObj interface{}) {
oldVpc := oldObj.(*kubeovnv1.Vpc)
newVpc := newObj.(*kubeovnv1.Vpc)
if !newVpc.DeletionTimestamp.IsZero() ||
!reflect.DeepEqual(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) ||
!reflect.DeepEqual(oldVpc.Annotations, newVpc.Annotations) ||
oldVpc.Labels[util.VpcExternalLabel] != newVpc.Labels[util.VpcExternalLabel] {
// TODO:// label VpcExternalLabel replace with spec enable external
var (
key string
err error
)
if key, err = cache.MetaNamespaceKeyFunc(newObj); err != nil {
utilruntime.HandleError(err)
return
}
klog.Infof("enqueue update vpc %s", key)
if newVpc.Annotations == nil {
newVpc.Annotations = make(map[string]string)
}
newVpc.Annotations["ovn.kubernetes.io/last_policies"] = convertPolicies(oldVpc.Spec.PolicyRoutes)
c.addOrUpdateVpcQueue.Add(key)
}
}
func (c *Controller) enqueueDelVpc(obj interface{}) {
var (
key string
err error
)
if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
utilruntime.HandleError(err)
return
}
vpc := obj.(*kubeovnv1.Vpc)
_, ok := vpc.Labels[util.VpcExternalLabel]
if !vpc.Status.Default || !ok {
klog.V(3).Infof("enqueue delete vpc %s", key)
c.delVpcQueue.Add(obj)
}
}
func (c *Controller) runAddVpcWorker() {
for c.processNextAddVpcWorkItem() {
}
}
func (c *Controller) runUpdateVpcStatusWorker() {
for c.processNextUpdateStatusVpcWorkItem() {
}
}
func (c *Controller) runDelVpcWorker() {
for c.processNextDeleteVpcWorkItem() {
}
}
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)
if err := c.deleteVpcLb(vpc); err != nil {
return err
}
if err := c.handleDelVpcExternal(vpc.Name); err != nil {
klog.Errorf("failed to delete external connection for vpc %s, error %v", vpc.Name, err)
return err
}
err := c.deleteVpcRouter(vpc.Status.Router)
if 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
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 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)
// get latest vpc info
var (
vpc, cachedVpc *kubeovnv1.Vpc
err error
)
cachedVpc, err = c.vpcsLister.Get(key)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
klog.Error(err)
return err
}
vpc = cachedVpc.DeepCopy()
if err = formatVpc(vpc, c); err != nil {
klog.Errorf("failed to format vpc %s: %v", key, err)
return err
}
if err = c.createVpcRouter(key); err != nil {
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 !util.ContainsString(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
}
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.Error("failed to get node switch subnet %s: %v", c.config.NodeSwitch)
return err
}
}
gatewayV4, gatewayV6 := util.SplitStringIP(joinSubnet.Spec.Gateway)
if gatewayV4 != "" {
for tabele := range staticRouteMapping {
staticTargetRoutes = append(
staticTargetRoutes,
&kubeovnv1.StaticRoute{
Policy: kubeovnv1.PolicyDst,
CIDR: "0.0.0.0/0",
NextHopIP: gatewayV4,
RouteTable: tabele,
},
)
}
}
if gatewayV6 != "" {
for tabele := range staticRouteMapping {
staticTargetRoutes = append(
staticTargetRoutes,
&kubeovnv1.StaticRoute{
Policy: kubeovnv1.PolicyDst,
CIDR: "::/0",
NextHopIP: gatewayV6,
RouteTable: tabele,
},
)
}
}
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 == "" {
externalSubnet, err := c.subnetsLister.Get(c.config.ExternalGatewaySwitch)
if err != nil {
klog.Errorf("failed to get subnet %s, %v", c.config.ExternalGatewaySwitch, err)
return err
}
nextHop = externalSubnet.Spec.Gateway
if nextHop == "" {
klog.Errorf("no available gateway address")
return fmt.Errorf("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, 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, 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["ovn.kubernetes.io/last_policies"])
// 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)
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}, 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 {
return err
}
} else if err = c.deleteVpcLb(vpc); err != nil {
return err
}
subnets, err := c.subnetsLister.List(labels.Everything())
if err != nil {
klog.Error(err)
return err
}
for _, subnet := range subnets {
if subnet.Spec.Vpc == key {
c.addOrUpdateSubnetQueue.Add(subnet.Name)
}
}
if vpc.Name != util.DefaultVpc {
if cachedVpc.Spec.EnableExternal {
if !cachedVpc.Status.EnableExternal {
// connect vpc to external
klog.Infof("connect external network with vpc %s", vpc.Name)
if err := c.handleAddVpcExternal(key); err != nil {
klog.Errorf("failed to add external connection for vpc %s, error %v", key, err)
return err
}
}
if vpc.Spec.EnableBfd {
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 !vpc.Spec.EnableBfd {
// auto add normal type static route, if not use ecmp based bfd
klog.Infof("add normal external static route for enable external vpc %s", vpc.Name)
if err := c.reconcileCustomVpcAddNormalStaticRoute(vpc.Name); err != nil {
klog.Errorf("failed to reconcile vpc %q bfd static route", vpc.Name)
return err
}
}
}
if !cachedVpc.Spec.EnableBfd && cachedVpc.Status.EnableBfd {
lrpEipName := fmt.Sprintf("%s-%s", key, c.config.ExternalGatewaySwitch)
if err := c.OVNNbClient.DeleteBFD(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 external
if err := c.handleDelVpcExternal(key); err != nil {
klog.Errorf("failed to delete external connection for vpc %s, error %v", key, err)
return err
}
}
}
return nil
}
func (c *Controller) addPolicyRouteToVpc(name string, policy *kubeovnv1.PolicyRoute, externalIDs map[string]string) error {
var (
nextHops []string
err error
)
if policy.NextHopIP != "" {
nextHops = []string{policy.NextHopIP}
}
if err = c.OVNNbClient.AddLogicalRouterPolicy(name, policy.Priority, policy.Match, string(policy.Action), nextHops, externalIDs); err != nil {
klog.Errorf("add policy route to vpc %s failed, %v", name, err)
return err
}
return nil
}
func (c *Controller) deletePolicyRouteFromVpc(name string, priority int, match string) error {
var (
vpc, cachedVpc *kubeovnv1.Vpc
err error
)
if err = c.OVNNbClient.DeleteLogicalRouterPolicy(name, priority, match); err != nil {
return err
}
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, 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, 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 (
vpc, cachedVpc *kubeovnv1.Vpc
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
}
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)
if _, ok = existsMap[key]; ok {
delete(existsMap, key)
} else {
adds = append(adds, item)
}
}
for _, item := range existsMap {
dels = append(dels, item)
}
return dels, adds
}
func getPolicyRouteItemKey(item *kubeovnv1.PolicyRoute) (key string) {
return fmt.Sprintf("%d:%s:%s:%s", item.Priority, item.Match, item.Action, item.NextHopIP)
}
func diffStaticRoute(exist []*ovnnb.LogicalRouterStaticRoute, target []*kubeovnv1.StaticRoute) (routeNeedDel, routeNeedAdd []*kubeovnv1.StaticRoute, err error) {
existRouteMap := make(map[string]*kubeovnv1.StaticRoute, len(exist))
for _, item := range exist {
policy := kubeovnv1.PolicyDst
if item.Policy != nil && *item.Policy == ovnnb.LogicalRouterStaticRoutePolicySrcIP {
policy = kubeovnv1.PolicySrc
}
route := &kubeovnv1.StaticRoute{
Policy: policy,
CIDR: item.IPPrefix,
NextHopIP: item.Nexthop,
RouteTable: item.RouteTable,
ECMPMode: util.StaticRouteBfdEcmp,
}
if item.BFD != nil {
route.BfdID = *item.BFD
}
existRouteMap[getStaticRouteItemKey(route)] = route
}
for _, item := range target {
key := getStaticRouteItemKey(item)
if _, ok := existRouteMap[key]; ok {
delete(existRouteMap, key)
} else {
routeNeedAdd = append(routeNeedAdd, item)
}
}
for _, item := range existRouteMap {
routeNeedDel = append(routeNeedDel, item)
}
return
}
func getStaticRouteItemKey(item *kubeovnv1.StaticRoute) string {
var key string
if item.Policy == kubeovnv1.PolicyDst {
key = fmt.Sprintf("%s:dst:%s=>%s", item.RouteTable, item.CIDR, item.NextHopIP)
} else {
key = fmt.Sprintf("%s:src:%s=>%s", item.RouteTable, item.CIDR, item.NextHopIP)
}
return key
}
func formatVpc(vpc *kubeovnv1.Vpc, c *Controller) error {
var changed bool
for _, item := range vpc.Spec.StaticRoutes {
// check policy
if item.Policy == "" {
item.Policy = kubeovnv1.PolicyDst
changed = true
}
if item.Policy != kubeovnv1.PolicyDst && item.Policy != kubeovnv1.PolicySrc {
return fmt.Errorf("unknown policy type: %s", item.Policy)
}
// check cidr
if strings.Contains(item.CIDR, "/") {
if _, _, err := net.ParseCIDR(item.CIDR); err != nil {
return fmt.Errorf("invalid cidr %s: %w", item.CIDR, err)
}
} else if ip := net.ParseIP(item.CIDR); ip == nil {
return fmt.Errorf("invalid ip %s", item.CIDR)
}
// check next hop ip
if ip := net.ParseIP(item.NextHopIP); ip == nil {
return fmt.Errorf("invalid next hop ip %s", item.NextHopIP)
}
}
for _, route := range vpc.Spec.PolicyRoutes {
if route.Action != kubeovnv1.PolicyRouteActionReroute {
if route.NextHopIP != "" {
route.NextHopIP = ""
changed = true
}
} else {
// ecmp policy route may reroute to multiple next hop ips
for _, ipStr := range strings.Split(route.NextHopIP, ",") {
if ip := net.ParseIP(ipStr); ip == nil {
err := fmt.Errorf("invalid next hop ips: %s", route.NextHopIP)
klog.Error(err)
return err
}
}
}
}
if changed {
if _, err := c.config.KubeOvnClient.KubeovnV1().Vpcs().Update(context.Background(), vpc, metav1.UpdateOptions{}); err != nil {
klog.Errorf("failed to update vpc %s: %v", vpc.Name, err)
return err
}
}
return nil
}
func convertPolicies(list []*kubeovnv1.PolicyRoute) string {
if list == nil {
return ""
}
var (
res []byte
err error
)
if res, err = json.Marshal(list); err != nil {
klog.Errorf("failed to serialize policy routes %v , reason : %v", list, err)
return ""
}
return string(res)
}
func reversePolicies(origin string) []*kubeovnv1.PolicyRoute {
if origin == "" {
return nil
}
var (
list []*kubeovnv1.PolicyRoute
err error
)
if err = json.Unmarshal([]byte(origin), &list); err != nil {
klog.Errorf("failed to deserialize policy routes %v , reason : %v", list, err)
return nil
}
return list
}
func convertPolicy(origin kubeovnv1.RoutePolicy) string {
if origin == kubeovnv1.PolicyDst {
return ovnnb.LogicalRouterStaticRoutePolicyDstIP
}
return ovnnb.LogicalRouterStaticRoutePolicySrcIP
}
func reversePolicy(origin ovnnb.LogicalRouterStaticRoutePolicy) kubeovnv1.RoutePolicy {
if origin == ovnnb.LogicalRouterStaticRoutePolicyDstIP {
return kubeovnv1.PolicyDst
}
return kubeovnv1.PolicySrc
}
func (c *Controller) processNextUpdateStatusVpcWorkItem() bool {
obj, shutdown := c.updateVpcStatusQueue.Get()
if shutdown {
return false
}
if err := func(obj interface{}) error {
defer c.updateVpcStatusQueue.Done(obj)
var key string
var ok bool
if key, ok = obj.(string); !ok {
c.updateVpcStatusQueue.Forget(obj)
utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
return nil
}
if err := c.handleUpdateVpcStatus(key); err != nil {
c.updateVpcStatusQueue.AddRateLimited(key)
return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
}
c.updateVpcStatusQueue.Forget(obj)
return nil
}(obj); err != nil {
utilruntime.HandleError(err)
return true
}
return true
}
func (c *Controller) processNextAddVpcWorkItem() bool {
obj, shutdown := c.addOrUpdateVpcQueue.Get()
if shutdown {
return false
}
if err := func(obj interface{}) error {
defer c.addOrUpdateVpcQueue.Done(obj)
var key string
var ok bool
if key, ok = obj.(string); !ok {
c.addOrUpdateVpcQueue.Forget(obj)
utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
return nil
}
if err := c.handleAddOrUpdateVpc(key); err != nil {
// c.addOrUpdateVpcQueue.AddRateLimited(key)
return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
}
c.addOrUpdateVpcQueue.Forget(obj)
return nil
}(obj); err != nil {
utilruntime.HandleError(err)
c.addOrUpdateVpcQueue.AddRateLimited(obj)
return true
}
return true
}
func (c *Controller) processNextDeleteVpcWorkItem() bool {
obj, shutdown := c.delVpcQueue.Get()
if shutdown {
return false
}
if err := func(obj interface{}) error {
defer c.delVpcQueue.Done(obj)
var vpc *kubeovnv1.Vpc
var ok bool
if vpc, ok = obj.(*kubeovnv1.Vpc); !ok {
c.delVpcQueue.Forget(obj)
utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
return nil
}
if err := c.handleDelVpc(vpc); err != nil {
c.delVpcQueue.AddRateLimited(obj)
return fmt.Errorf("error syncing '%s': %s, requeuing", vpc.Name, err.Error())
}
c.delVpcQueue.Forget(obj)
return nil
}(obj); err != nil {
utilruntime.HandleError(err)
return true
}
return true
}
func (c *Controller) getVpcSubnets(vpc *kubeovnv1.Vpc) (subnets []string, defaultSubnet string, err error) {
subnets = []string{}
allSubnets, err := c.subnetsLister.List(labels.Everything())
if err != nil {
klog.Error(err)
return nil, "", err
}
for _, subnet := range allSubnets {
if subnet.Spec.Vpc != vpc.Name || !subnet.DeletionTimestamp.IsZero() || !isOvnSubnet(subnet) {
continue
}
subnets = append(subnets, subnet.Name)
if subnet.Spec.Default {
defaultSubnet = subnet.Name
}
}
return
}
// createVpcRouter create router to connect logical switches in vpc
func (c *Controller) createVpcRouter(lr string) error {
return c.OVNNbClient.CreateLogicalRouter(lr)
}
// deleteVpcRouter delete router to connect logical switches in vpc
func (c *Controller) deleteVpcRouter(lr string) error {
return c.OVNNbClient.DeleteLogicalRouter(lr)