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Merge pull request #38 from kubevirt/firt_e2e
e2e, Introduce e2e test: resolving a FQDN entry
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,10 @@ | ||
| #!/bin/bash -e | ||
|
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| echo hello world | ||
| source ./cluster/cluster.sh | ||
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| if ! nslookup www.google.com > /dev/null 2>&1; then | ||
| echo "nslookup error" | ||
| exit 1 | ||
| fi | ||
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| KUBECONFIG=${KUBECONFIG:-$(cluster::kubeconfig)} $GO test -test.timeout=1h -test.v ./tests/... -ginkgo.v |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| package tests | ||
|
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| import ( | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| utilruntime "k8s.io/apimachinery/pkg/util/runtime" | ||
| clientgoscheme "k8s.io/client-go/kubernetes/scheme" | ||
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| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
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| v1 "kubevirt.io/api/core/v1" | ||
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| networkv1 "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/apis/k8s.cni.cncf.io/v1" | ||
| ) | ||
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| var clientInstance client.Client | ||
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| func createClient() (client.Client, error) { | ||
| scheme := runtime.NewScheme() | ||
| utilruntime.Must(clientgoscheme.AddToScheme(scheme)) | ||
| utilruntime.Must(v1.AddToScheme(scheme)) | ||
| utilruntime.Must(networkv1.AddToScheme(scheme)) | ||
| ctrlOptions := ctrl.Options{ | ||
| Scheme: scheme, | ||
| MetricsBindAddress: "0", // disable metrics | ||
| } | ||
| mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrlOptions) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return client.New(mgr.GetConfig(), client.Options{Scheme: mgr.GetScheme(), Mapper: mgr.GetRESTMapper()}) | ||
| } | ||
|
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| func getClient() client.Client { | ||
| var err error | ||
| if clientInstance == nil { | ||
| clientInstance, err = createClient() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
| return clientInstance | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| package tests | ||
|
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| import ( | ||
| "k8s.io/apimachinery/pkg/util/rand" | ||
| ) | ||
|
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| func randName(name string) string { | ||
| return name + "-" + rand.String(5) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| Copyright 2022. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
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| package tests | ||
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| import ( | ||
| "testing" | ||
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| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
| ) | ||
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| func TestAPIs(t *testing.T) { | ||
| RegisterFailHandler(Fail) | ||
| RunSpecs(t, "Test Suite") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package tests | ||
|
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| import ( | ||
| k8sv1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/api/resource" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
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| v1 "kubevirt.io/api/core/v1" | ||
| ) | ||
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| const virtIO = "virtio" | ||
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| func getBaseVMISpec() *v1.VirtualMachineInstanceSpec { | ||
| return &v1.VirtualMachineInstanceSpec{ | ||
| Domain: v1.DomainSpec{ | ||
| Resources: v1.ResourceRequirements{ | ||
| Requests: k8sv1.ResourceList{ | ||
| k8sv1.ResourceMemory: resource.MustParse("128Mi"), | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| } | ||
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| func addContainerDisk(spec *v1.VirtualMachineInstanceSpec, image string) *v1.VirtualMachineInstanceSpec { | ||
| disk := &v1.Disk{ | ||
| Name: "containerdisk", | ||
| DiskDevice: v1.DiskDevice{ | ||
| Disk: &v1.DiskTarget{ | ||
| Bus: virtIO, | ||
| }, | ||
| }, | ||
| } | ||
| spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, *disk) | ||
| volume := &v1.Volume{ | ||
| Name: "containerdisk", | ||
| VolumeSource: v1.VolumeSource{ | ||
| ContainerDisk: &v1.ContainerDiskSource{ | ||
| Image: image, | ||
| }, | ||
| }, | ||
| } | ||
| spec.Volumes = append(spec.Volumes, *volume) | ||
| return spec | ||
| } | ||
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| func getBaseVMI(name string) *v1.VirtualMachineInstance { | ||
| baseVMISpec := getBaseVMISpec() | ||
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| return &v1.VirtualMachineInstance{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| APIVersion: v1.GroupVersion.String(), | ||
| Kind: "VirtualMachineInstance", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: name, | ||
| }, | ||
| Spec: *baseVMISpec, | ||
| } | ||
| } | ||
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| func addNoCloudDiskWitUserData(spec *v1.VirtualMachineInstanceSpec, data string) *v1.VirtualMachineInstanceSpec { | ||
| spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{ | ||
| Name: "cloudinitdisk", | ||
| DiskDevice: v1.DiskDevice{ | ||
| Disk: &v1.DiskTarget{ | ||
| Bus: virtIO, | ||
| }, | ||
| }, | ||
| }) | ||
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| spec.Volumes = append(spec.Volumes, v1.Volume{ | ||
| Name: "cloudinitdisk", | ||
| VolumeSource: v1.VolumeSource{ | ||
| CloudInitNoCloud: &v1.CloudInitNoCloudSource{ | ||
| UserData: data, | ||
| }, | ||
| }, | ||
| }) | ||
| return spec | ||
| } | ||
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| func CreateVmiObject(name string, namespace string, interfaces []v1.Interface, networks []v1.Network) *v1.VirtualMachineInstance { | ||
| vmi := getBaseVMI(randName(name)) | ||
| vmi.Namespace = namespace | ||
| addContainerDisk(&vmi.Spec, "quay.io/kubevirt/cirros-container-disk-demo:devel") | ||
| addNoCloudDiskWitUserData(&vmi.Spec, "#!/bin/sh\n\necho 'printed from cloud-init userdata'\n") | ||
| vmi.Spec.Domain.Devices.Interfaces = interfaces | ||
| vmi.Spec.Networks = networks | ||
| return vmi | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package tests | ||
|
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "os/exec" | ||
| "time" | ||
|
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| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
|
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| k8sv1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
|
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| v1 "kubevirt.io/api/core/v1" | ||
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| networkv1 "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/apis/k8s.cni.cncf.io/v1" | ||
| ) | ||
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| const timeout = 3 * time.Minute | ||
| const pollingInterval = 5 * time.Second | ||
| const testNamespacePrefix = "secondary-test" | ||
| const dnsPort = "31111" | ||
| const dnsIP = "127.0.0.1" // Forwarded to the node port - https://github.com/kubevirt/kubevirtci/pull/867 | ||
| const domain = "vm.secondary.io" | ||
|
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| var testNamespace string | ||
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| var _ = Describe("Virtual Machines Startup", func() { | ||
| BeforeEach(func() { | ||
| By("Creating test namespace") | ||
| testNamespace = randName(testNamespacePrefix) | ||
| ns := k8sv1.Namespace{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: testNamespace, | ||
| }, | ||
| } | ||
| err := getClient().Create(context.Background(), &ns) | ||
| Expect(err).ToNot(HaveOccurred(), "couldn't create namespace for the test") | ||
| }) | ||
|
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| AfterEach(func() { | ||
| By("Removing the test namespace") | ||
| namespace := &k8sv1.Namespace{} | ||
| err := getClient().Get(context.Background(), types.NamespacedName{Name: testNamespace}, namespace) | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| err = getClient().Delete(context.Background(), namespace) | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| Eventually(func() error { | ||
| return getClient().Get(context.Background(), types.NamespacedName{Name: testNamespace}, namespace) | ||
| }, 240*time.Second, 1*time.Second).Should(SatisfyAll(HaveOccurred(), WithTransform(errors.IsNotFound, BeTrue())), fmt.Sprintf("should successfully delete namespace '%s'", testNamespace)) | ||
| }) | ||
|
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| Context("with one secondary and no default interface", func() { | ||
| const interfaceName = "nic1" | ||
| var vmiName string | ||
| var vmi *v1.VirtualMachineInstance | ||
| BeforeEach(func() { | ||
| By("Creating a NetworkAttachmentDefinition") | ||
| err := createNetworkAttachmentDefinition(testNamespace, "ptp-conf") | ||
| Expect(err).ToNot(HaveOccurred(), "Should successfully create the NAD") | ||
| }) | ||
| BeforeEach(func() { | ||
| By("Creating a VirtualMachineInstance") | ||
| interfaces := []v1.Interface{{Name: interfaceName, InterfaceBindingMethod: v1.InterfaceBindingMethod{Bridge: &v1.InterfaceBridge{}}}} | ||
| networks := []v1.Network{ | ||
| {Name: interfaceName, NetworkSource: v1.NetworkSource{ | ||
| Multus: &v1.MultusNetwork{NetworkName: "ptp-conf"}, | ||
| }}, | ||
| } | ||
| vmi := CreateVmiObject("vmi-sec", testNamespace, interfaces, networks) | ||
| vmiName = vmi.Name | ||
| err := getClient().Create(context.Background(), vmi) | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| }) | ||
| It("should get the correct IP when nslookup to the secondary interface FQDN", func() { | ||
| By("Invoking nslookup on the VMI interface FQDN") | ||
| Eventually(func() bool { | ||
| vmi = &v1.VirtualMachineInstance{} | ||
| err := getClient().Get(context.Background(), types.NamespacedName{Namespace: testNamespace, Name: vmiName}, vmi) | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| return len(vmi.Status.Interfaces) == 1 && vmi.Status.Interfaces[0].IP != "" | ||
| }, timeout, pollingInterval).Should(BeTrue(), "failed to get VMI interface IP") | ||
| vmiIp := vmi.Status.Interfaces[0].IP | ||
|
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| var nslookupOutput []byte | ||
| Eventually(func() error { | ||
| var nslookupErr error | ||
| nslookupOutput, nslookupErr = exec.Command("nslookup", fmt.Sprintf("-port=%s", dnsPort), fmt.Sprintf("%s.%s.%s.%s", interfaceName, vmiName, testNamespace, domain), dnsIP).CombinedOutput() | ||
| return nslookupErr | ||
| }, time.Minute, pollingInterval).ShouldNot(HaveOccurred(), fmt.Sprintf("nslookup failed. Output - %s", nslookupOutput)) | ||
|
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| By("Comparing the VirtualMachineInstance IP to the nslookup result") | ||
| Expect(nslookupOutput).To(ContainSubstring(fmt.Sprintf("Address: %s\n", vmiIp)), fmt.Sprintf("nsloookup doesn't return the VMI IP address - %s. nslookup output - %s", vmiIp, nslookupOutput)) | ||
| }) | ||
| }) | ||
| }) | ||
|
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| func createNetworkAttachmentDefinition(namespace, name string) error { | ||
| nad := networkv1.NetworkAttachmentDefinition{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: name, | ||
| Namespace: namespace, | ||
| }, | ||
| Spec: networkv1.NetworkAttachmentDefinitionSpec{ | ||
| Config: `{ | ||
| "cniVersion": "0.3.1", | ||
| "name": "mynet", | ||
| "plugins": [ | ||
| { | ||
| "type": "ptp", | ||
| "ipam": { | ||
| "type": "static", | ||
| "addresses": [ | ||
| { | ||
| "address": "10.10.0.5/24", | ||
| "gateway": "10.10.0.254" | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ] | ||
| }`, | ||
| }, | ||
| } | ||
| return getClient().Create(context.Background(), &nad) | ||
| } |
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