20405539887

Committed 21 Dec 2025 05:53AM UTC coverage: 22.596% (-0.005%) from 22.601%

Build # 20405539887

Build Type

push

github

Committed by

web-flow

Commit Message

refactor: unify type constants (#6081)

Signed-off-by: zhangzujian <zhangzujian.7@gmail.com>

Run Details

7 of 67 new or added lines in 13 files covered. (10.45%)

7 existing lines in 5 files now uncovered.

12056 of 53354 relevant lines covered (22.6%)

0.26 hits per line

Source File
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0.0

/pkg/daemon/handler.go

package daemon

import (
        "context"
        "encoding/json"
        "fmt"
        "net"
        "net/http"
        "strconv"
        "strings"
        "time"

        "github.com/emicklei/go-restful/v3"
        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/client-go/kubernetes"
        "k8s.io/klog/v2"
        kubevirtv1 "kubevirt.io/api/core/v1"

        kubeovnv1 "github.com/kubeovn/kube-ovn/pkg/apis/kubeovn/v1"
        clientset "github.com/kubeovn/kube-ovn/pkg/client/clientset/versioned"
        "github.com/kubeovn/kube-ovn/pkg/ovs"
        "github.com/kubeovn/kube-ovn/pkg/request"
        "github.com/kubeovn/kube-ovn/pkg/util"
)

const (
        gatewayCheckModeDisabled = iota
        gatewayCheckModePing
        gatewayCheckModeArping
        gatewayCheckModePingNotConcerned
        gatewayCheckModeArpingNotConcerned
)

type cniServerHandler struct {
        Config        *Configuration
        KubeClient    kubernetes.Interface
        KubeOvnClient clientset.Interface
        Controller    *Controller
}

func createCniServerHandler(config *Configuration, controller *Controller) *cniServerHandler {
        csh := &cniServerHandler{KubeClient: config.KubeClient, KubeOvnClient: config.KubeOvnClient, Config: config, Controller: controller}
        return csh
}

func (csh cniServerHandler) providerExists(provider string) (*kubeovnv1.Subnet, bool) {
        if util.IsOvnProvider(provider) {
                return nil, true
        }
        subnets, _ := csh.Controller.subnetsLister.List(labels.Everything())
        for _, subnet := range subnets {
                if subnet.Spec.Provider == provider {
                        return subnet.DeepCopy(), true
                }
        }
        return nil, false
}

func (csh cniServerHandler) handleAdd(req *restful.Request, resp *restful.Response) {
        podRequest := request.CniRequest{}
        if err := req.ReadEntity(&podRequest); err != nil {
                errMsg := fmt.Errorf("parse add request failed %w", err)
                klog.Error(errMsg)
                if err := resp.WriteHeaderAndEntity(http.StatusBadRequest, request.CniResponse{Err: errMsg.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }
        klog.V(5).Infof("request body is %v", podRequest)
        podSubnet, exist := csh.providerExists(podRequest.Provider)
        if !exist {
                errMsg := fmt.Errorf("provider %s not bind to any subnet", podRequest.Provider)
                klog.Error(errMsg)
                if err := resp.WriteHeaderAndEntity(http.StatusBadRequest, request.CniResponse{Err: errMsg.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        klog.Infof("add port request: %v", podRequest)
        if err := csh.validatePodRequest(&podRequest); err != nil {
                klog.Error(err)
                if err := resp.WriteHeaderAndEntity(http.StatusBadRequest, request.CniResponse{Err: err.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        var gatewayCheckMode int
        var macAddr, ip, ipAddr, cidr, gw, subnet, ingress, egress, providerNetwork, ifName, nicType, podNicName, vmName, latency, limit, loss, jitter, u2oInterconnectionIP, oldPodName string
        var routes []request.Route
        var isDefaultRoute, noIPAM bool
        var pod *v1.Pod
        var err error
        for range 20 {
                if pod, err = csh.Controller.podsLister.Pods(podRequest.PodNamespace).Get(podRequest.PodName); err != nil {
                        errMsg := fmt.Errorf("get pod %s/%s failed %w", podRequest.PodNamespace, podRequest.PodName, err)
                        klog.Error(errMsg)
                        if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                klog.Errorf("failed to write response, %v", err)
                        }
                        return
                }
                if pod.Annotations[fmt.Sprintf(util.AllocatedAnnotationTemplate, podRequest.Provider)] != "true" {
                        klog.Infof("wait address for pod %s/%s provider %s", podRequest.PodNamespace, podRequest.PodName, podRequest.Provider)
                        // wait controller assign an address
                        cniWaitAddressResult.WithLabelValues(nodeName).Inc()
                        time.Sleep(1 * time.Second)
                        continue
                }

                if err := util.ValidatePodNetwork(pod.Annotations); err != nil {
                        klog.Errorf("validate pod %s/%s failed, %v", podRequest.PodNamespace, podRequest.PodName, err)
                        // wait controller assign an address
                        cniWaitAddressResult.WithLabelValues(nodeName).Inc()
                        time.Sleep(1 * time.Second)
                        continue
                }
                ip = pod.Annotations[fmt.Sprintf(util.IPAddressAnnotationTemplate, podRequest.Provider)]
                cidr = pod.Annotations[fmt.Sprintf(util.CidrAnnotationTemplate, podRequest.Provider)]
                gw = pod.Annotations[fmt.Sprintf(util.GatewayAnnotationTemplate, podRequest.Provider)]
                subnet = pod.Annotations[fmt.Sprintf(util.LogicalSwitchAnnotationTemplate, podRequest.Provider)]
                ingress = pod.Annotations[fmt.Sprintf(util.IngressRateAnnotationTemplate, podRequest.Provider)]
                egress = pod.Annotations[fmt.Sprintf(util.EgressRateAnnotationTemplate, podRequest.Provider)]
                latency = pod.Annotations[fmt.Sprintf(util.NetemQosLatencyAnnotationTemplate, podRequest.Provider)]
                limit = pod.Annotations[fmt.Sprintf(util.NetemQosLimitAnnotationTemplate, podRequest.Provider)]
                loss = pod.Annotations[fmt.Sprintf(util.NetemQosLossAnnotationTemplate, podRequest.Provider)]
                jitter = pod.Annotations[fmt.Sprintf(util.NetemQosJitterAnnotationTemplate, podRequest.Provider)]
                providerNetwork = pod.Annotations[fmt.Sprintf(util.ProviderNetworkTemplate, podRequest.Provider)]
                vmName = pod.Annotations[fmt.Sprintf(util.VMAnnotationTemplate, podRequest.Provider)]
                ipAddr, noIPAM, err = util.GetIPAddrWithMaskForCNI(ip, cidr)
                if err != nil {
                        errMsg := fmt.Errorf("failed to get ip address with mask, %w", err)
                        klog.Error(errMsg)
                        if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                klog.Errorf("failed to write response, %v", err)
                        }
                        return
                }
                oldPodName = podRequest.PodName
                if s := pod.Annotations[fmt.Sprintf(util.RoutesAnnotationTemplate, podRequest.Provider)]; s != "" {
                        if err = json.Unmarshal([]byte(s), &routes); err != nil {
                                errMsg := fmt.Errorf("invalid routes for pod %s/%s: %w", pod.Namespace, pod.Name, err)
                                klog.Error(errMsg)
                                if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                        klog.Errorf("failed to write response: %v", err)
                                }
                                return
                        }
                }
                if ifName = podRequest.IfName; ifName == "" {
                        ifName = "eth0"
                }

                // For Support kubevirt hotplug dpdk nic, forbidden set the volume name
                if podRequest.VhostUserSocketConsumption == util.ConsumptionKubevirt {
                        podRequest.VhostUserSocketVolumeName = util.VhostUserSocketVolumeName
                }

                switch {
                case podRequest.DeviceID != "":
                        nicType = util.OffloadType
                case podRequest.VhostUserSocketVolumeName != "":
                        nicType = util.DpdkType
                        if err = createShortSharedDir(pod, podRequest.VhostUserSocketVolumeName, podRequest.VhostUserSocketConsumption, csh.Config.KubeletDir); err != nil {
                                klog.Error(err.Error())
                                if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: err.Error()}); err != nil {
                                        klog.Errorf("failed to write response: %v", err)
                                }
                                return
                        }
                default:
                        nicType = pod.Annotations[fmt.Sprintf(util.PodNicAnnotationTemplate, podRequest.Provider)]
                }

                switch pod.Annotations[fmt.Sprintf(util.DefaultRouteAnnotationTemplate, podRequest.Provider)] {
                case "true":
                        isDefaultRoute = true
                case "false":
                        isDefaultRoute = false
                default:
                        isDefaultRoute = ifName == "eth0"
                }

                if isDefaultRoute && pod.Annotations[fmt.Sprintf(util.RoutedAnnotationTemplate, podRequest.Provider)] != "true" && util.IsOvnProvider(podRequest.Provider) {
                        klog.Infof("wait route ready for pod %s/%s provider %s", podRequest.PodNamespace, podRequest.PodName, podRequest.Provider)
                        cniWaitRouteResult.WithLabelValues(nodeName).Inc()
                        time.Sleep(1 * time.Second)
                        continue
                }

                if vmName != "" {
                        podRequest.PodName = vmName
                }

                break
        }

        if pod.Annotations[fmt.Sprintf(util.AllocatedAnnotationTemplate, podRequest.Provider)] != "true" {
                err := fmt.Errorf("no address allocated to pod %s/%s provider %s, please see kube-ovn-controller logs to find errors", pod.Namespace, pod.Name, podRequest.Provider)
                klog.Error(err)
                if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: err.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        if subnet == "" && podSubnet != nil {
                subnet = podSubnet.Name
        }
        if !noIPAM {
                if err := csh.UpdateIPCR(podRequest, subnet, ip); err != nil {
                        if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: err.Error()}); err != nil {
                                klog.Errorf("failed to write response, %v", err)
                        }
                        return
                }
        }

        if isDefaultRoute && pod.Annotations[fmt.Sprintf(util.RoutedAnnotationTemplate, podRequest.Provider)] != "true" && util.IsOvnProvider(podRequest.Provider) {
                err := fmt.Errorf("route is not ready for pod %s/%s provider %s, please see kube-ovn-controller logs to find errors", pod.Namespace, pod.Name, podRequest.Provider)
                klog.Error(err)
                if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: err.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        var mtu int
        routes = append(podRequest.Routes, routes...)
        if strings.HasSuffix(podRequest.Provider, util.OvnProvider) && subnet != "" {
                podSubnet, err := csh.Controller.subnetsLister.Get(subnet)
                if err != nil {
                        errMsg := fmt.Errorf("failed to get subnet %s: %w", subnet, err)
                        klog.Error(errMsg)
                        if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                klog.Errorf("failed to write response: %v", err)
                        }
                        return
                }

                if podSubnet.Status.U2OInterconnectionIP == "" && podSubnet.Spec.U2OInterconnection {
                        errMsg := fmt.Errorf("failed to generate u2o ip on subnet %s", podSubnet.Name)
                        klog.Error(errMsg)
                        return
                }

                if podSubnet.Status.U2OInterconnectionIP != "" && podSubnet.Spec.U2OInterconnection {
                        u2oInterconnectionIP = podSubnet.Status.U2OInterconnectionIP
                }

                var vmMigration bool
                subnetHasVlan := podSubnet.Spec.Vlan != ""
                // skip ping check gateway for pods during live migration
                if pod.Annotations[kubevirtv1.MigrationJobNameAnnotation] == "" {
                        if subnetHasVlan && !podSubnet.Spec.LogicalGateway {
                                if podSubnet.Spec.DisableGatewayCheck {
                                        gatewayCheckMode = gatewayCheckModeArpingNotConcerned
                                } else {
                                        gatewayCheckMode = gatewayCheckModeArping
                                }
                        } else {
                                if podSubnet.Spec.DisableGatewayCheck {
                                        gatewayCheckMode = gatewayCheckModePingNotConcerned
                                } else {
                                        gatewayCheckMode = gatewayCheckModePing
                                }
                        }
                } else {
                        vmMigration = true
                }
                if pod.Annotations[fmt.Sprintf(util.ActivationStrategyTemplate, podRequest.Provider)] != "" {
                        gatewayCheckMode = gatewayCheckModeDisabled
                }

                if podSubnet.Spec.Mtu > 0 {
                        mtu = int(podSubnet.Spec.Mtu)
                } else {
                        if providerNetwork != "" && !podSubnet.Spec.LogicalGateway && !podSubnet.Spec.U2OInterconnection {
                                node, err := csh.Controller.nodesLister.Get(csh.Config.NodeName)
                                if err != nil {
                                        errMsg := fmt.Errorf("failed to get node %s: %w", csh.Config.NodeName, err)
                                        klog.Error(errMsg)
                                        if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                                klog.Errorf("failed to write response: %v", err)
                                        }
                                        return
                                }
                                mtuStr := node.Labels[fmt.Sprintf(util.ProviderNetworkMtuTemplate, providerNetwork)]
                                if mtuStr != "" {
                                        if mtu, err = strconv.Atoi(mtuStr); err != nil || mtu <= 0 {
                                                errMsg := fmt.Errorf("failed to parse provider network MTU %s: %w", mtuStr, err)
                                                klog.Error(errMsg)
                                                if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                                        klog.Errorf("failed to write response: %v", err)
                                                }
                                                return
                                        }
                                }
                        } else {
                                mtu = csh.Config.MTU
                        }
                }

                macAddr = pod.Annotations[fmt.Sprintf(util.MacAddressAnnotationTemplate, podRequest.Provider)]
                klog.Infof("create container interface %s mac %s, ip %s, cidr %s, gw %s, custom routes %v", ifName, macAddr, ipAddr, cidr, gw, routes)
                podNicName = ifName

                var encapIP string
                if podSubnet.Spec.NodeNetwork != "" {
                        encapIP, err = csh.Config.GetEncapIPByNetwork(podSubnet.Spec.NodeNetwork)
                        if err != nil {
                                errMsg := fmt.Errorf("failed to get encap IP for node network %s: %w", podSubnet.Spec.NodeNetwork, err)
                                klog.Error(errMsg)
                                if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                        klog.Errorf("failed to write response: %v", err)
                                }
                                return
                        }
                }

                switch nicType {
                case util.DpdkType:
                        err = csh.configureDpdkNic(podRequest.PodName, podRequest.PodNamespace, podRequest.Provider, podRequest.NetNs, podRequest.ContainerID, ifName, macAddr, mtu, ipAddr, gw, ingress, egress, getShortSharedDir(pod.UID, podRequest.VhostUserSocketVolumeName), podRequest.VhostUserSocketName, podRequest.VhostUserSocketConsumption)
                        routes = nil
                default:
                        routes, err = csh.configureNic(podRequest.PodName, podRequest.PodNamespace, podRequest.Provider, podRequest.NetNs, podRequest.ContainerID, podRequest.VfDriver, ifName, macAddr, mtu, ipAddr, gw, isDefaultRoute, vmMigration, routes, podRequest.DNS.Nameservers, podRequest.DNS.Search, ingress, egress, podRequest.DeviceID, latency, limit, loss, jitter, gatewayCheckMode, u2oInterconnectionIP, oldPodName, encapIP)
                }
                if err != nil {
                        errMsg := fmt.Errorf("configure nic %s for pod %s/%s failed: %w", ifName, podRequest.PodName, podRequest.PodNamespace, err)
                        klog.Error(errMsg)
                        if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                klog.Errorf("failed to write response, %v", err)
                        }
                        return
                }

                ifaceID := ovs.PodNameToPortName(podRequest.PodName, podRequest.PodNamespace, podRequest.Provider)
                if err = ovs.ConfigInterfaceMirror(csh.Config.EnableMirror, pod.Annotations[fmt.Sprintf(util.MirrorControlAnnotationTemplate, podRequest.Provider)], ifaceID); err != nil {
                        klog.Errorf("failed mirror to mirror0, %v", err)
                        return
                }

                if err = csh.Controller.addEgressConfig(podSubnet, ip); err != nil {
                        errMsg := fmt.Errorf("failed to add egress configuration: %w", err)
                        klog.Error(errMsg)
                        if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                klog.Errorf("failed to write response, %v", err)
                        }
                        return
                }
        } else if len(routes) != 0 {
                hasDefaultRoute := make(map[string]bool, 2)
                for _, r := range routes {
                        if r.Destination == "" {
                                hasDefaultRoute[util.CheckProtocol(r.Gateway)] = true
                                continue
                        }
                        if _, cidr, err := net.ParseCIDR(r.Destination); err == nil {
                                if ones, _ := cidr.Mask.Size(); ones == 0 {
                                        hasDefaultRoute[util.CheckProtocol(r.Gateway)] = true
                                }
                        }
                }
                if len(hasDefaultRoute) != 0 {
                        // remove existing default route so other CNI plugins, such as macvlan, can add the new default route correctly
                        if err = csh.removeDefaultRoute(podRequest.NetNs, hasDefaultRoute[kubeovnv1.ProtocolIPv4], hasDefaultRoute[kubeovnv1.ProtocolIPv6]); err != nil {
                                errMsg := fmt.Errorf("failed to remove existing default route for interface %s of pod %s/%s: %w", podRequest.IfName, podRequest.PodNamespace, podRequest.PodName, err)
                                klog.Error(errMsg)
                                if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                        klog.Errorf("failed to write response: %v", err)
                                }
                                return
                        }
                }
        }

        response := &request.CniResponse{
                Protocol:   util.CheckProtocol(cidr),
                IPAddress:  ip,
                MacAddress: macAddr,
                CIDR:       cidr,
                PodNicName: podNicName,
                Routes:     routes,
                Mtu:        mtu,
        }
        if isDefaultRoute {
                response.Gateway = gw
        }
        if err := resp.WriteHeaderAndEntity(http.StatusOK, response); err != nil {
                klog.Errorf("failed to write response, %v", err)
        }
}

func (csh cniServerHandler) UpdateIPCR(podRequest request.CniRequest, subnet, ip string) error {
        ipCRName := ovs.PodNameToPortName(podRequest.PodName, podRequest.PodNamespace, podRequest.Provider)
        for range 20 {
                ipCR, err := csh.KubeOvnClient.KubeovnV1().IPs().Get(context.Background(), ipCRName, metav1.GetOptions{})
                if err != nil {
                        err = fmt.Errorf("failed to get ip crd for %s, %w", ip, err)
                        // maybe create a backup pod with previous annotations
                        klog.Error(err)
                } else if ipCR.Spec.NodeName != csh.Config.NodeName {
                        ipCR := ipCR.DeepCopy()
                        if ipCR.Labels == nil {
                                ipCR.Labels = map[string]string{}
                        }
                        ipCR.Spec.NodeName = csh.Config.NodeName
                        ipCR.Spec.AttachIPs = []string{}
                        ipCR.Labels[subnet] = ""
                        ipCR.Labels[util.NodeNameLabel] = csh.Config.NodeName
                        ipCR.Spec.AttachSubnets = []string{}
                        ipCR.Spec.AttachMacs = []string{}
                        if _, err := csh.KubeOvnClient.KubeovnV1().IPs().Update(context.Background(), ipCR, metav1.UpdateOptions{}); err != nil {
                                err = fmt.Errorf("failed to update ip crd for %s, %w", ip, err)
                                klog.Error(err)
                        } else {
                                return nil
                        }
                }
                if err != nil {
                        klog.Warningf("wait pod ip %s to be ready", ipCRName)
                        time.Sleep(1 * time.Second)
                } else {
                        return nil
                }
        }
        // update ip spec node is not that necessary, so we just log the error
        return nil
}

func (csh cniServerHandler) handleDel(req *restful.Request, resp *restful.Response) {
        var podRequest request.CniRequest
        if err := req.ReadEntity(&podRequest); err != nil {
                errMsg := fmt.Errorf("parse del request failed %w", err)
                klog.Error(errMsg)
                if err := resp.WriteHeaderAndEntity(http.StatusBadRequest, request.CniResponse{Err: errMsg.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        // Try to get the Pod, but if it fails due to not being found, log a warning and continue.
        pod, err := csh.Controller.podsLister.Pods(podRequest.PodNamespace).Get(podRequest.PodName)
        if err != nil && !k8serrors.IsNotFound(err) {
                errMsg := fmt.Errorf("failed to retrieve Pod %s/%s: %w", podRequest.PodNamespace, podRequest.PodName, err)
                klog.Error(errMsg)
                if err := resp.WriteHeaderAndEntity(http.StatusBadRequest, request.CniResponse{Err: errMsg.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        if podRequest.NetNs == "" {
                klog.Infof("skip del port request: %v", podRequest)
                resp.WriteHeader(http.StatusNoContent)
                return
        }

        klog.Infof("del port request: %v", podRequest)
        if err := csh.validatePodRequest(&podRequest); err != nil {
                klog.Error(err)
                if err := resp.WriteHeaderAndEntity(http.StatusBadRequest, request.CniResponse{Err: err.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }

        var nicType string
        var vmName string

        // If the Pod was found, process its annotations and labels.
        if pod != nil {
                if pod.Annotations != nil && (util.IsOvnProvider(podRequest.Provider) || podRequest.CniType == util.CniTypeName) {
                        subnet := pod.Annotations[fmt.Sprintf(util.LogicalSwitchAnnotationTemplate, podRequest.Provider)]
                        if subnet != "" {
                                ip := pod.Annotations[fmt.Sprintf(util.IPAddressAnnotationTemplate, podRequest.Provider)]
                                if err = csh.Controller.removeEgressConfig(subnet, ip); err != nil {
                                        errMsg := fmt.Errorf("failed to remove egress configuration: %w", err)
                                        klog.Error(errMsg)
                                        if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                                                klog.Errorf("failed to write response, %v", err)
                                        }
                                        return
                                }
                        }

                        switch {
                        case podRequest.DeviceID != "":
                                nicType = util.OffloadType
                        case podRequest.VhostUserSocketVolumeName != "":
                                nicType = util.DpdkType
                                if err = removeShortSharedDir(pod, podRequest.VhostUserSocketVolumeName, podRequest.VhostUserSocketConsumption); err != nil {
                                        klog.Error(err.Error())
                                        if err = resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: err.Error()}); err != nil {
                                                klog.Errorf("failed to write response: %v", err)
                                        }
                                        return
                                }
                        default:
                                nicType = pod.Annotations[fmt.Sprintf(util.PodNicAnnotationTemplate, podRequest.Provider)]
                        }

                        vmName = pod.Annotations[fmt.Sprintf(util.VMAnnotationTemplate, podRequest.Provider)]
                        if vmName != "" {
                                podRequest.PodName = vmName
                        }
                }
        } else {
                // If the Pod is not found, assign a default value.
                klog.Warningf("Pod %s not found, proceeding with NIC deletion using ContainerID and NetNs", podRequest.PodName)
                switch {
                case podRequest.DeviceID != "":
                        nicType = util.OffloadType
                case podRequest.VhostUserSocketVolumeName != "":
                        nicType = util.DpdkType
                default:
                        nicType = util.VethType
                }
        }

        // For Support kubevirt hotplug dpdk nic, forbidden set the volume name
        if podRequest.VhostUserSocketConsumption == util.ConsumptionKubevirt {
                podRequest.VhostUserSocketVolumeName = util.VhostUserSocketVolumeName
        }

        // Proceed to delete the NIC regardless of whether the Pod was found or not.
        err = csh.deleteNic(podRequest.PodName, podRequest.PodNamespace, podRequest.ContainerID, podRequest.NetNs, podRequest.DeviceID, podRequest.IfName, nicType)
        if err != nil {
                errMsg := fmt.Errorf("del nic failed %w", err)
                klog.Error(errMsg)
                if err := resp.WriteHeaderAndEntity(http.StatusInternalServerError, request.CniResponse{Err: errMsg.Error()}); err != nil {
                        klog.Errorf("failed to write response, %v", err)
                }
                return
        }
        resp.WriteHeader(http.StatusNoContent)
}

kubeovn / kube-ovn / 20405539887

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