add e2e test script

Signed-off-by: clyi <clyi@alauda.io>

Author: changluyi

pkg/controller/pod.go

@@ -1163,10 +1163,12 @@ func (c *Controller) syncKubeOvnNet(cachedPod, pod *v1.Pod, podNets []*kubeovnNe
 		portName := ovs.PodNameToPortName(podName, pod.Namespace, podNet.ProviderName)
 		targetPortNameList.Add(portName)
 		if podNet.IPRequest != "" {
+			klog.Infof("pod %s/%s use custom IP %s for provider %s", pod.Namespace, pod.Name, podNet.IPRequest, podNet.ProviderName)
 			annotationsNeedToAdd[fmt.Sprintf(util.IPAddressAnnotationTemplate, podNet.ProviderName)] = podNet.IPRequest
 		}
 
 		if podNet.MacRequest != "" {
+			klog.Infof("pod %s/%s use custom MAC %s for provider %s", pod.Namespace, pod.Name, podNet.MacRequest, podNet.ProviderName)
 			annotationsNeedToAdd[fmt.Sprintf(util.MacAddressAnnotationTemplate, podNet.ProviderName)] = podNet.MacRequest
 		}
 	}
@@ -1194,42 +1196,39 @@ func (c *Controller) syncKubeOvnNet(cachedPod, pod *v1.Pod, podNets []*kubeovnNe
 		return pod, nil
 	}
 
-	if len(portsNeedToDel) > 0 {
-		for _, portNeedDel := range portsNeedToDel {
-			klog.Infof("release port %s for pod %s", portNeedDel, podName)
-			if subnet, ok := c.ipam.Subnets[subnetUsedByPort[portNeedDel]]; ok {
-				subnet.ReleaseAddressWithNicName(podName, portNeedDel)
-			}
-			if err := c.OVNNbClient.DeleteLogicalSwitchPort(portNeedDel); err != nil {
-				klog.Errorf("failed to delete lsp %s, %v", portNeedDel, err)
+	for _, portNeedDel := range portsNeedToDel {
+		klog.Infof("release port %s for pod %s", portNeedDel, podName)
+		if subnet, ok := c.ipam.Subnets[subnetUsedByPort[portNeedDel]]; ok {
+			subnet.ReleaseAddressWithNicName(podName, portNeedDel)
+		}
+		if err := c.OVNNbClient.DeleteLogicalSwitchPort(portNeedDel); err != nil {
+			klog.Errorf("failed to delete lsp %s, %v", portNeedDel, err)
+			return nil, err
+		}
+		if err := c.config.KubeOvnClient.KubeovnV1().IPs().Delete(context.Background(), portNeedDel, metav1.DeleteOptions{}); err != nil {
+			if !k8serrors.IsNotFound(err) {
+				klog.Errorf("failed to delete ip %s, %v", portNeedDel, err)
 				return nil, err
 			}
-			if err := c.config.KubeOvnClient.KubeovnV1().IPs().Delete(context.Background(), portNeedDel, metav1.DeleteOptions{}); err != nil {
-				if !k8serrors.IsNotFound(err) {
-					klog.Errorf("failed to delete ip %s, %v", portNeedDel, err)
-					return nil, err
-				}
-			}
 		}
+	}
 
-		for _, providerName := range annotationsNeedToDel {
-			for annotationKey := range pod.Annotations {
-				if strings.HasPrefix(annotationKey, providerName) {
-					delete(pod.Annotations, annotationKey)
-				}
+	for _, providerName := range annotationsNeedToDel {
+		for annotationKey := range pod.Annotations {
+			if strings.HasPrefix(annotationKey, providerName) {
+				delete(pod.Annotations, annotationKey)
 			}
 		}
 	}
 
-	if len(annotationsNeedToAdd) > 0 {
-		for annotationKey, annotationValue := range annotationsNeedToAdd {
-			pod.Annotations[annotationKey] = annotationValue
-		}
+	for annotationKey, annotationValue := range annotationsNeedToAdd {
+		pod.Annotations[annotationKey] = annotationValue
 	}
 
 	if len(cachedPod.Annotations) == len(pod.Annotations) {
 		return pod, nil
 	}
+
 	patch, err := util.GenerateMergePatchPayload(cachedPod, pod)
 	if err != nil {
 		klog.Errorf("failed to generate patch payload for pod '%s', %v", pod.Name, err)
@@ -1572,10 +1571,7 @@ func (c *Controller) getPodAttachmentNet(pod *v1.Pod) ([]*kubeovnNet, error) {
 				ret.IPRequest = attach.IPRequest[0]
 			}
 
-			if attach.MacRequest != "" {
-				ret.MacRequest = attach.MacRequest
-			}
-
+			ret.MacRequest = attach.MacRequest
 			result = append(result, ret)
 		} else {
 			providerName = fmt.Sprintf("%s.%s", attach.Name, attach.Namespace)

test/e2e/multus/e2e_test.go

@@ -431,4 +431,36 @@ var _ = framework.SerialDescribe("[group:multus]", func() {
 			framework.ExpectContainElement(actualRoutes, request.Route{Destination: ipv6RouteDst, Gateway: ipv6RouteGw})
 		}
 	})
+
+	framework.ConformanceIt("should be able to use mac and ip provided by k8s.v1.cni.cncf.io/networks annotation", func() {
+		provider := fmt.Sprintf("%s.%s.%s", nadName, namespaceName, util.OvnProvider)
+		ginkgo.By("Creating network attachment definition " + nadName)
+		nad := framework.MakeOVNNetworkAttachmentDefinition(nadName, namespaceName, provider, nil)
+		nad = nadClient.Create(nad)
+		framework.Logf("created network attachment definition config:\n%s", nad.Spec.Config)
+
+		ginkgo.By("Creating subnet " + subnetName)
+		subnet = framework.MakeSubnet(subnetName, "", cidr, "", "", provider, nil, nil, nil)
+		subnet = subnetClient.CreateSync(subnet)
+
+		ginkgo.By("Creating pod " + podName)
+		mac := "00:00:00:11:22:33"
+		randomIP := framework.RandomIPs(subnet.Spec.CIDRBlock, "", 1)
+
+		annotations := map[string]string{nadv1.NetworkAttachmentAnnot: fmt.Sprintf(`[{"name": "%s", "namespace": "%s", "mac": "%s", "ips": ["%s"]}]`, nad.Name, nad.Namespace, mac, randomIP)}
+		annotations[fmt.Sprintf(util.LogicalSwitchAnnotationTemplate, provider)] = subnetName
+
+		cmd := []string{"sh", "-c", "sleep infinity"}
+		pod := framework.MakePrivilegedPod(namespaceName, podName, nil, annotations, f.KubeOVNImage, cmd, nil)
+		pod = podClient.CreateSync(pod)
+
+		ginkgo.By("Validating pod annotations")
+		framework.ExpectHaveKey(pod.Annotations, nadv1.NetworkStatusAnnot)
+		framework.Logf("pod network status:\n%s", pod.Annotations[nadv1.NetworkStatusAnnot])
+		retMac := pod.Annotations[fmt.Sprintf(util.MacAddressAnnotationTemplate, provider)]
+		retIP := pod.Annotations[fmt.Sprintf(util.IPAddressAnnotationTemplate, provider)]
+
+		framework.ExpectEqual(mac, retMac)
+		framework.ExpectEqual(randomIP, retIP)
+	})
 })