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controller_windows.go
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controller_windows.go
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package daemon
import (
"fmt"
"net"
"strings"
v1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
"github.com/kubeovn/kube-ovn/pkg/ovs"
"github.com/kubeovn/kube-ovn/pkg/util"
)
// ControllerRuntime represents runtime specific controller members
type ControllerRuntime struct{}
func (c *Controller) initRuntime() error {
return nil
}
func (c *Controller) reconcileRouters(_ subnetEvent) error {
klog.Info("reconcile routes")
node, err := c.nodesLister.Get(c.config.NodeName)
if err != nil {
klog.Errorf("failed to get node %s %v", c.config.NodeName, err)
return err
}
gateway, ok := node.Annotations[util.GatewayAnnotation]
if !ok {
err = fmt.Errorf("node %s does not have annotation %s", node.Name, util.GatewayAnnotation)
klog.Error(err)
return err
}
cidr, ok := node.Annotations[util.CidrAnnotation]
if !ok {
err = fmt.Errorf("node %s does not have annotation %s", node.Name, util.CidrAnnotation)
klog.Error(err)
return err
}
subnets, err := c.subnetsLister.List(labels.Everything())
if err != nil {
klog.Errorf("failed to list subnets: %v", err)
return err
}
gwIPv4, gwIPv6 := util.SplitStringIP(gateway)
v4Cidrs, v6Cidrs := make([]string, 0, len(subnets)), make([]string, 0, len(subnets))
for _, subnet := range subnets {
if (subnet.Spec.Vlan != "" && !subnet.Spec.LogicalGateway) ||
subnet.Spec.Vpc != util.DefaultVpc ||
!subnet.Status.IsReady() {
continue
}
for _, cidrBlock := range strings.Split(subnet.Spec.CIDRBlock, ",") {
if _, ipNet, err := net.ParseCIDR(cidrBlock); err != nil {
klog.Errorf("%s is not a valid cidr block", cidrBlock)
} else {
_, bits := ipNet.Mask.Size()
if bits == 32 {
if gwIPv4 != "" && !util.CIDRContainIP(cidrBlock, gwIPv4) {
v4Cidrs = append(v4Cidrs, ipNet.String())
}
} else {
if gwIPv6 != "" && !util.CIDRContainIP(cidrBlock, gwIPv6) {
v6Cidrs = append(v6Cidrs, ipNet.String())
}
}
}
}
}
adapter, err := util.GetNetAdapter(util.NodeNic, false)
if err != nil {
klog.Errorf("failed to get network adapter %s: %v", util.NodeNic, err)
return err
}
routes, err := util.GetNetRoute(adapter.InterfaceIndex)
if err != nil {
klog.Errorf("failed to get NetIPRoute with index %d: %v", adapter.InterfaceIndex, err)
return err
}
existingRoutes := make([]string, 0, len(routes))
for _, route := range routes {
if route.NextHop == "0.0.0.0" || route.NextHop == "::" {
continue
}
existingRoutes = append(existingRoutes, route.DestinationPrefix)
}
toAddV4, toAddV6, toDel := routeDiff(existingRoutes, v4Cidrs, v6Cidrs)
klog.Infof("routes to be added: %v", append(toAddV4, toAddV6...))
klog.Infof("routes to be removed: %v", toDel)
for _, r := range toAddV4 {
if err = util.NewNetRoute(adapter.InterfaceIndex, r, gwIPv4); err != nil {
klog.Errorf("failed to del route %s: %v", r, err)
}
}
for _, r := range toAddV6 {
if err = util.NewNetRoute(adapter.InterfaceIndex, r, gwIPv6); err != nil {
klog.Errorf("failed to del route %s: %v", r, err)
}
}
for _, r := range toDel {
if err = util.RemoveNetRoute(adapter.InterfaceIndex, r); err != nil {
klog.Errorf("failed to remove route %s: %v", r, err)
}
}
if err = util.NewNetNat(util.NetNat, cidr, true); err != nil {
klog.Error(err)
return err
}
return nil
}
func routeDiff(existingRoutes, v4Cidrs, v6Cidrs []string) (toAddV4, toAddV6, toDel []string) {
existing := make(map[string]struct{}, len(existingRoutes))
expectedV4 := make(map[string]struct{}, len(v4Cidrs))
expectedV6 := make(map[string]struct{}, len(v6Cidrs))
for _, r := range existingRoutes {
existing[r] = struct{}{}
}
var ok bool
for _, r := range v4Cidrs {
expectedV4[r] = struct{}{}
if _, ok = existing[r]; !ok {
toAddV4 = append(toAddV4, r)
}
}
for _, r := range v6Cidrs {
expectedV6[r] = struct{}{}
if _, ok = existing[r]; !ok {
toAddV6 = append(toAddV6, r)
}
}
for _, r := range existingRoutes {
if _, ok = expectedV4[r]; ok {
continue
}
if _, ok = expectedV6[r]; ok {
continue
}
toDel = append(toDel, r)
}
return
}
func (c *Controller) handlePod(key string) error {
namespace, name, err := cache.SplitMetaNamespaceKey(key)
if err != nil {
utilruntime.HandleError(fmt.Errorf("invalid resource key: %s", key))
return nil
}
klog.Infof("handle pod %s/%s", namespace, name)
pod, err := c.podsLister.Pods(namespace).Get(name)
if err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
return err
}
if err := util.ValidatePodNetwork(pod.Annotations); err != nil {
klog.Errorf("validate pod %s/%s failed, %v", namespace, name, err)
c.recorder.Eventf(pod, v1.EventTypeWarning, "ValidatePodNetworkFailed", err.Error())
return err
}
podName := pod.Name
if pod.Annotations[fmt.Sprintf(util.VmTemplate, util.OvnProvider)] != "" {
podName = pod.Annotations[fmt.Sprintf(util.VmTemplate, util.OvnProvider)]
}
// set default nic bandwidth
ifaceID := ovs.PodNameToPortName(podName, pod.Namespace, util.OvnProvider)
err = ovs.SetInterfaceBandwidth(podName, pod.Namespace, ifaceID, pod.Annotations[util.EgressRateAnnotation], pod.Annotations[util.IngressRateAnnotation])
if err != nil {
return err
}
err = ovs.ConfigInterfaceMirror(c.config.EnableMirror, pod.Annotations[util.MirrorControlAnnotation], ifaceID)
if err != nil {
return err
}
// set multus-nic bandwidth
attachNets, err := util.ParsePodNetworkAnnotation(pod.Annotations[util.AttachmentNetworkAnnotation], pod.Namespace)
if err != nil {
return err
}
for _, multiNet := range attachNets {
provider := fmt.Sprintf("%s.%s.ovn", multiNet.Name, multiNet.Namespace)
if pod.Annotations[fmt.Sprintf(util.VmTemplate, provider)] != "" {
podName = pod.Annotations[fmt.Sprintf(util.VmTemplate, provider)]
}
if pod.Annotations[fmt.Sprintf(util.AllocatedAnnotationTemplate, provider)] == "true" {
ifaceID = ovs.PodNameToPortName(podName, pod.Namespace, provider)
err = ovs.SetInterfaceBandwidth(podName, pod.Namespace, ifaceID, pod.Annotations[fmt.Sprintf(util.EgressRateAnnotationTemplate, provider)], pod.Annotations[fmt.Sprintf(util.IngressRateAnnotationTemplate, provider)])
if err != nil {
return err
}
err = ovs.ConfigInterfaceMirror(c.config.EnableMirror, pod.Annotations[fmt.Sprintf(util.MirrorControlAnnotationTemplate, provider)], ifaceID)
if err != nil {
return err
}
err = ovs.SetNetemQos(podName, pod.Namespace, ifaceID, pod.Annotations[fmt.Sprintf(util.NetemQosLatencyAnnotationTemplate, provider)], pod.Annotations[fmt.Sprintf(util.NetemQosLimitAnnotationTemplate, provider)], pod.Annotations[fmt.Sprintf(util.NetemQosLossAnnotationTemplate, provider)], pod.Annotations[fmt.Sprintf(util.NetemQosJitterAnnotationTemplate, provider)])
if err != nil {
return err
}
}
}
return nil
}
func (c *Controller) loopEncapIpCheck() {
// TODO
}
func rotateLog() {
// TODO
}
func (c *Controller) ovnMetricsUpdate() {
// TODO
}
func (c *Controller) operateMod() {
}