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restore.go
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restore.go
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package storage
import (
"context"
"fmt"
"strings"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"kubevirt.io/client-go/apis/core"
"kubevirt.io/kubevirt/tests/util"
expect "github.com/google/goexpect"
admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/rand"
v1 "kubevirt.io/client-go/apis/core/v1"
snapshotv1 "kubevirt.io/client-go/apis/snapshot/v1alpha1"
"kubevirt.io/client-go/kubecli"
cdiv1 "kubevirt.io/containerized-data-importer/pkg/apis/core/v1beta1"
"kubevirt.io/kubevirt/tests"
"kubevirt.io/kubevirt/tests/console"
cd "kubevirt.io/kubevirt/tests/containerdisk"
"kubevirt.io/kubevirt/tests/libnet"
)
var _ = SIGDescribe("[Serial]VirtualMachineRestore Tests", func() {
var err error
var virtClient kubecli.KubevirtClient
groupName := "kubevirt.io"
BeforeEach(func() {
virtClient, err = kubecli.GetKubevirtClient()
util.PanicOnError(err)
})
createRestoreDef := func(vm *v1.VirtualMachine, snapshotName string) *snapshotv1.VirtualMachineRestore {
return &snapshotv1.VirtualMachineRestore{
ObjectMeta: metav1.ObjectMeta{
Name: "restore-" + vm.Name,
},
Spec: snapshotv1.VirtualMachineRestoreSpec{
Target: corev1.TypedLocalObjectReference{
APIGroup: &groupName,
Kind: "VirtualMachine",
Name: vm.Name,
},
VirtualMachineSnapshotName: snapshotName,
},
}
}
createSnapshot := func(vm *v1.VirtualMachine) *snapshotv1.VirtualMachineSnapshot {
var err error
s := &snapshotv1.VirtualMachineSnapshot{
ObjectMeta: metav1.ObjectMeta{
Name: "snapshot-" + vm.Name,
},
Spec: snapshotv1.VirtualMachineSnapshotSpec{
Source: corev1.TypedLocalObjectReference{
APIGroup: &groupName,
Kind: "VirtualMachine",
Name: vm.Name,
},
},
}
s, err = virtClient.VirtualMachineSnapshot(vm.Namespace).Create(context.Background(), s, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
s, err = virtClient.VirtualMachineSnapshot(s.Namespace).Get(context.Background(), s.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
vm, err = virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return s.Status != nil && s.Status.ReadyToUse != nil && *s.Status.ReadyToUse && vm.Status.SnapshotInProgress == nil
}, 180*time.Second, time.Second).Should(BeTrue())
return s
}
createAndStartVM := func(vm *v1.VirtualMachine) (*v1.VirtualMachine, *v1.VirtualMachineInstance) {
var vmi *v1.VirtualMachineInstance
t := true
vm.Spec.Running = &t
vm, err := virtClient.VirtualMachine(vm.Namespace).Create(vm)
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
if errors.IsNotFound(err) {
return false
}
Expect(err).ToNot(HaveOccurred())
return vmi.Status.Phase == v1.Running
}, 180*time.Second, time.Second).Should(BeTrue())
return vm, vmi
}
waitRestoreComplete := func(r *snapshotv1.VirtualMachineRestore, vm *v1.VirtualMachine) *snapshotv1.VirtualMachineRestore {
var err error
Eventually(func() bool {
r, err = virtClient.VirtualMachineRestore(r.Namespace).Get(context.Background(), r.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return r.Status != nil && r.Status.Complete != nil && *r.Status.Complete
}, 180*time.Second, time.Second).Should(BeTrue())
Expect(r.OwnerReferences).To(HaveLen(1))
Expect(r.OwnerReferences[0].APIVersion).To(Equal(v1.GroupVersion.String()))
Expect(r.OwnerReferences[0].Kind).To(Equal("VirtualMachine"))
Expect(r.OwnerReferences[0].Name).To(Equal(vm.Name))
Expect(r.OwnerReferences[0].UID).To(Equal(vm.UID))
Expect(r.Status.RestoreTime).ToNot(BeNil())
Expect(r.Status.Conditions).To(HaveLen(2))
Expect(r.Status.Conditions[0].Type).To(Equal(snapshotv1.ConditionProgressing))
Expect(r.Status.Conditions[0].Status).To(Equal(corev1.ConditionFalse))
Expect(r.Status.Conditions[1].Type).To(Equal(snapshotv1.ConditionReady))
Expect(r.Status.Conditions[1].Status).To(Equal(corev1.ConditionTrue))
return r
}
waitDVReady := func(dv *cdiv1.DataVolume) *cdiv1.DataVolume {
Eventually(func() bool {
var err error
dv, err = virtClient.CdiClient().CdiV1beta1().DataVolumes(dv.Namespace).Get(context.Background(), dv.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return dv.Status.Phase == cdiv1.Succeeded
}, 180*time.Second, time.Second).Should(BeTrue())
return dv
}
waitPVCReady := func(pvc *corev1.PersistentVolumeClaim) *corev1.PersistentVolumeClaim {
Eventually(func() bool {
var err error
pvc, err = virtClient.CoreV1().PersistentVolumeClaims(pvc.Namespace).Get(context.Background(), pvc.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return pvc.Annotations["cdi.kubevirt.io/storage.pod.phase"] == string(corev1.PodSucceeded)
}, 180*time.Second, time.Second).Should(BeTrue())
return pvc
}
waitDeleted := func(deleteFunc func() error) {
Eventually(func() bool {
err := deleteFunc()
if errors.IsNotFound(err) {
return true
}
Expect(err).ToNot(HaveOccurred())
return false
}, 180*time.Second, time.Second).Should(BeTrue())
}
deleteVM := func(vm *v1.VirtualMachine) {
waitDeleted(func() error {
return virtClient.VirtualMachine(vm.Namespace).Delete(vm.Name, &metav1.DeleteOptions{})
})
}
deleteSnapshot := func(s *snapshotv1.VirtualMachineSnapshot) {
waitDeleted(func() error {
return virtClient.VirtualMachineSnapshot(s.Namespace).Delete(context.Background(), s.Name, metav1.DeleteOptions{})
})
}
deleteRestore := func(r *snapshotv1.VirtualMachineRestore) {
waitDeleted(func() error {
return virtClient.VirtualMachineRestore(r.Namespace).Delete(context.Background(), r.Name, metav1.DeleteOptions{})
})
}
deleteWebhook := func(wh *admissionregistrationv1.ValidatingWebhookConfiguration) {
waitDeleted(func() error {
return virtClient.AdmissionregistrationV1().ValidatingWebhookConfigurations().Delete(context.Background(), wh.Name, metav1.DeleteOptions{})
})
}
Context("With simple VM", func() {
var vm *v1.VirtualMachine
BeforeEach(func() {
var err error
vmiImage := cd.ContainerDiskFor(cd.ContainerDiskCirros)
vmi := tests.NewRandomVMIWithEphemeralDiskAndUserdata(vmiImage, "#!/bin/bash\necho 'hello'\n")
vm = tests.NewRandomVirtualMachine(vmi, false)
vm, err = virtClient.VirtualMachine(util.NamespaceTestDefault).Create(vm)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
deleteVM(vm)
})
Context("and no snapshot", func() {
It("[test_id:5255]should reject restore", func() {
restore := createRestoreDef(vm, "foobar")
_, err := virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("VirtualMachineSnapshot \"foobar\" does not exist"))
})
})
Context("and good snapshot exists", func() {
var err error
var snapshot *snapshotv1.VirtualMachineSnapshot
var webhook *admissionregistrationv1.ValidatingWebhookConfiguration
BeforeEach(func() {
snapshot = createSnapshot(vm)
})
AfterEach(func() {
deleteSnapshot(snapshot)
if webhook != nil {
deleteWebhook(webhook)
}
})
It("[test_id:5256]should successfully restore", func() {
var origSpec *v1.VirtualMachineSpec
Eventually(func() bool {
var updatedVM *v1.VirtualMachine
vm, err = virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
if vm.Status.SnapshotInProgress != nil {
return false
}
origSpec = vm.Spec.DeepCopy()
Expect(origSpec.Template.Spec.Domain.Resources.Requests[corev1.ResourceMemory]).To(Equal(resource.MustParse("128Mi")))
vm.Spec.Template.Spec.Domain.Resources.Requests[corev1.ResourceMemory] = resource.MustParse("256Mi")
updatedVM, err = virtClient.VirtualMachine(vm.Namespace).Update(vm)
if errors.IsConflict(err) {
return false
}
vm = updatedVM
Expect(err).ToNot(HaveOccurred())
Expect(vm.Spec.Template.Spec.Domain.Resources.Requests[corev1.ResourceMemory]).To(Equal(resource.MustParse("256Mi")))
return true
}, 180*time.Second, time.Second).Should(BeTrue())
restore := createRestoreDef(vm, snapshot.Name)
restore, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
restore = waitRestoreComplete(restore, vm)
Expect(restore.Status.Restores).To(HaveLen(0))
Expect(restore.Status.DeletedDataVolumes).To(HaveLen(0))
vm, err = virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(vm.Spec).To(Equal(*origSpec))
deleteRestore(restore)
})
It("[test_id:5257]should reject restore if VM running", func() {
patch := []byte("[{ \"op\": \"replace\", \"path\": \"/spec/running\", \"value\": true }]")
vm, err := virtClient.VirtualMachine(vm.Namespace).Patch(vm.Name, types.JSONPatchType, patch)
Expect(err).ToNot(HaveOccurred())
restore := createRestoreDef(vm, snapshot.Name)
_, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(fmt.Sprintf("VirtualMachine %q is running", vm.Name)))
})
It("[test_id:5258]should reject restore if another in progress", func() {
fp := admissionregistrationv1.Fail
sideEffectNone := admissionregistrationv1.SideEffectClassNone
whPath := "/foobar"
whName := "dummy-webhook-deny-vm-update.kubevirt.io"
wh := &admissionregistrationv1.ValidatingWebhookConfiguration{
ObjectMeta: metav1.ObjectMeta{
Name: "temp-webhook-deny-vm-update",
},
Webhooks: []admissionregistrationv1.ValidatingWebhook{
{
Name: whName,
AdmissionReviewVersions: []string{"v1", "v1beta1"},
FailurePolicy: &fp,
SideEffects: &sideEffectNone,
Rules: []admissionregistrationv1.RuleWithOperations{{
Operations: []admissionregistrationv1.OperationType{
admissionregistrationv1.Update,
},
Rule: admissionregistrationv1.Rule{
APIGroups: []string{core.GroupName},
APIVersions: v1.ApiSupportedWebhookVersions,
Resources: []string{"virtualmachines"},
},
}},
ClientConfig: admissionregistrationv1.WebhookClientConfig{
Service: &admissionregistrationv1.ServiceReference{
Namespace: util.NamespaceTestDefault,
Name: "nonexistant",
Path: &whPath,
},
},
},
},
}
wh, err := virtClient.AdmissionregistrationV1().ValidatingWebhookConfigurations().Create(context.Background(), wh, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
webhook = wh
restore := createRestoreDef(vm, snapshot.Name)
restore, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
restore, err = virtClient.VirtualMachineRestore(restore.Namespace).Get(context.Background(), restore.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return restore.Status != nil &&
len(restore.Status.Conditions) == 2 &&
restore.Status.Conditions[0].Status == corev1.ConditionFalse &&
restore.Status.Conditions[1].Status == corev1.ConditionFalse &&
strings.Contains(restore.Status.Conditions[0].Reason, whName) &&
strings.Contains(restore.Status.Conditions[1].Reason, whName)
}, 180*time.Second, time.Second).Should(BeTrue())
r2 := restore.DeepCopy()
r2.ObjectMeta = metav1.ObjectMeta{
Name: "dummy",
}
_, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), r2, metav1.CreateOptions{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(fmt.Sprintf("VirtualMachineRestore %q in progress", restore.Name)))
deleteWebhook(webhook)
webhook = nil
restore = waitRestoreComplete(restore, vm)
r2, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), r2, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
r2 = waitRestoreComplete(r2, vm)
deleteRestore(r2)
deleteRestore(restore)
})
})
})
Context("[rook-ceph]", func() {
Context("With a more complicated VM", func() {
var (
vm *v1.VirtualMachine
vmi *v1.VirtualMachineInstance
snapshot *snapshotv1.VirtualMachineSnapshot
restore *snapshotv1.VirtualMachineRestore
webhook *admissionregistrationv1.ValidatingWebhookConfiguration
snapshotStorageClass string
)
BeforeEach(func() {
sc, err := getSnapshotStorageClass(virtClient)
Expect(err).ToNot(HaveOccurred())
if sc == "" {
Skip("Skiping test, no VolumeSnapshot support")
}
snapshotStorageClass = sc
})
AfterEach(func() {
if vm != nil {
deleteVM(vm)
}
if snapshot != nil {
deleteSnapshot(snapshot)
}
if restore != nil {
deleteRestore(restore)
}
if webhook != nil {
deleteWebhook(webhook)
}
})
doRestore := func(device string, login console.LoginToFactory, onlineSnapshot bool) {
By("creating 'message with initial value")
Expect(libnet.WithIPv6(login)(vmi)).To(Succeed())
var batch []expect.Batcher
if device != "" {
batch = append(batch, []expect.Batcher{
&expect.BSnd{S: fmt.Sprintf("sudo mkfs.ext4 %s\n", device)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "sudo mkdir -p /test\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: fmt.Sprintf("sudo mount %s /test \n", device)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
}...)
}
batch = append(batch, []expect.Batcher{
&expect.BSnd{S: "sudo mkdir -p /test/data\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "sudo chmod a+w /test/data\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: fmt.Sprintf("echo '%s' > /test/data/message\n", vm.UID)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "cat /test/data/message\n"},
&expect.BExp{R: string(vm.UID)},
&expect.BSnd{S: "sync\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "sync\n"},
&expect.BExp{R: console.PromptExpression},
}...)
Expect(console.SafeExpectBatch(vmi, batch, 20)).To(Succeed())
if !onlineSnapshot {
By("Stopping VM")
vm = tests.StopVirtualMachine(vm)
}
By("creating snapshot")
snapshot = createSnapshot(vm)
batch = nil
if !onlineSnapshot {
By("Starting VM")
vm = tests.StartVirtualMachine(vm)
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(libnet.WithIPv6(login)(vmi)).To(Succeed())
if device != "" {
batch = append(batch, []expect.Batcher{
&expect.BSnd{S: "sudo mkdir -p /test\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: fmt.Sprintf("sudo mount %s /test \n", device)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
}...)
}
}
By("updating message")
batch = append(batch, []expect.Batcher{
&expect.BSnd{S: "sudo mkdir -p /test/data\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "sudo chmod a+w /test/data\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "cat /test/data/message\n"},
&expect.BExp{R: string(vm.UID)},
&expect.BSnd{S: fmt.Sprintf("echo '%s' > /test/data/message\n", snapshot.UID)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "cat /test/data/message\n"},
&expect.BExp{R: string(snapshot.UID)},
&expect.BSnd{S: "sync\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "sync\n"},
&expect.BExp{R: console.PromptExpression},
}...)
Expect(console.SafeExpectBatch(vmi, batch, 20)).To(Succeed())
By("Stopping VM")
vm = tests.StopVirtualMachine(vm)
By("Restoring VM")
restore = createRestoreDef(vm, snapshot.Name)
restore, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
restore = waitRestoreComplete(restore, vm)
Expect(restore.Status.Restores).To(HaveLen(1))
vm = tests.StartVirtualMachine(vm)
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
By("Verifying original file contents")
Expect(libnet.WithIPv6(login)(vmi)).To(Succeed())
batch = nil
if device != "" {
batch = append(batch, []expect.Batcher{
&expect.BSnd{S: "sudo mkdir -p /test\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: fmt.Sprintf("sudo mount %s /test \n", device)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
}...)
}
batch = append(batch, []expect.Batcher{
&expect.BSnd{S: "sudo mkdir -p /test/data\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "sudo chmod a+w /test/data\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: "cat /test/data/message\n"},
&expect.BExp{R: string(vm.UID)},
}...)
Expect(console.SafeExpectBatch(vmi, batch, 20)).To(Succeed())
}
It("[test_id:5259]should restore a vm multiple from the same snapshot", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeAndUserDataInStorageClass(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskCirros),
util.NamespaceTestDefault,
"#!/bin/bash\necho 'hello'\n",
snapshotStorageClass,
))
By("Stopping VM")
vm = tests.StopVirtualMachine(vm)
By("creating snapshot")
snapshot = createSnapshot(vm)
for i := 0; i < 2; i++ {
By(fmt.Sprintf("Restoring VM iteration %d", i))
restore = createRestoreDef(vm, snapshot.Name)
restore, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
restore = waitRestoreComplete(restore, vm)
Expect(restore.Status.Restores).To(HaveLen(1))
deleteRestore(restore)
restore = nil
}
})
It("[test_id:5260]should restore a vm that boots from a datavolumetemplate", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeAndUserDataInStorageClass(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskCirros),
util.NamespaceTestDefault,
"#!/bin/bash\necho 'hello'\n",
snapshotStorageClass,
))
originalDVName := vm.Spec.DataVolumeTemplates[0].Name
doRestore("", console.LoginToCirros, false)
Expect(restore.Status.DeletedDataVolumes).To(HaveLen(1))
Expect(restore.Status.DeletedDataVolumes).To(ContainElement(originalDVName))
_, err = virtClient.CdiClient().CdiV1beta1().DataVolumes(vm.Namespace).Get(context.Background(), originalDVName, metav1.GetOptions{})
Expect(errors.IsNotFound(err)).To(BeTrue())
})
It("[test_id:5261]should restore a vm that boots from a datavolume (not template)", func() {
vm = tests.NewRandomVMWithDataVolumeAndUserDataInStorageClass(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskCirros),
util.NamespaceTestDefault,
"#!/bin/bash\necho 'hello'\n",
snapshotStorageClass,
)
var err error
dvt := &vm.Spec.DataVolumeTemplates[0]
dv := &cdiv1.DataVolume{}
dv.ObjectMeta = *dvt.ObjectMeta.DeepCopy()
dv.Spec = *dvt.Spec.DeepCopy()
originalPVCName := dv.Name
vm.Spec.DataVolumeTemplates = nil
dv, err = virtClient.CdiClient().CdiV1beta1().DataVolumes(vm.Namespace).Create(context.Background(), dv, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
dv = waitDVReady(dv)
vm, vmi = createAndStartVM(vm)
doRestore("", console.LoginToCirros, false)
Expect(restore.Status.DeletedDataVolumes).To(BeEmpty())
_, err = virtClient.CdiClient().CdiV1beta1().DataVolumes(vm.Namespace).Get(context.Background(), dv.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
_, err = virtClient.CoreV1().PersistentVolumeClaims(vm.Namespace).Get(context.Background(), originalPVCName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
for _, v := range vm.Spec.Template.Spec.Volumes {
if v.PersistentVolumeClaim != nil {
Expect(v.PersistentVolumeClaim.ClaimName).ToNot(Equal(originalPVCName))
pvc, err := virtClient.CoreV1().PersistentVolumeClaims(vm.Namespace).Get(context.Background(), v.PersistentVolumeClaim.ClaimName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(pvc.OwnerReferences[0].APIVersion).To(Equal(v1.GroupVersion.String()))
Expect(pvc.OwnerReferences[0].Kind).To(Equal("VirtualMachine"))
Expect(pvc.OwnerReferences[0].Name).To(Equal(vm.Name))
Expect(pvc.OwnerReferences[0].UID).To(Equal(vm.UID))
}
}
})
It("[test_id:5262]should restore a vm that boots from a PVC", func() {
quantity, err := resource.ParseQuantity("1Gi")
Expect(err).ToNot(HaveOccurred())
pvc := &corev1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "restore-pvc-" + rand.String(12),
Namespace: util.NamespaceTestDefault,
Annotations: map[string]string{
"cdi.kubevirt.io/storage.import.source": "registry",
"cdi.kubevirt.io/storage.import.endpoint": cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskCirros),
},
},
Spec: corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce},
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
"storage": quantity,
},
},
StorageClassName: &snapshotStorageClass,
},
}
pvc, err = virtClient.CoreV1().PersistentVolumeClaims(pvc.Namespace).Create(context.Background(), pvc, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
pvc = waitPVCReady(pvc)
originalPVCName := pvc.Name
vmi = tests.NewRandomVMIWithPVCAndUserData(pvc.Name, "#!/bin/bash\necho 'hello'\n")
vm = tests.NewRandomVirtualMachine(vmi, false)
vm, vmi = createAndStartVM(vm)
doRestore("", console.LoginToCirros, false)
Expect(restore.Status.DeletedDataVolumes).To(BeEmpty())
_, err = virtClient.CoreV1().PersistentVolumeClaims(vm.Namespace).Get(context.Background(), originalPVCName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
for _, v := range vm.Spec.Template.Spec.Volumes {
if v.PersistentVolumeClaim != nil {
Expect(v.PersistentVolumeClaim.ClaimName).ToNot(Equal(originalPVCName))
pvc, err := virtClient.CoreV1().PersistentVolumeClaims(vm.Namespace).Get(context.Background(), v.PersistentVolumeClaim.ClaimName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(pvc.OwnerReferences[0].APIVersion).To(Equal(v1.GroupVersion.String()))
Expect(pvc.OwnerReferences[0].Kind).To(Equal("VirtualMachine"))
Expect(pvc.OwnerReferences[0].Name).To(Equal(vm.Name))
Expect(pvc.OwnerReferences[0].UID).To(Equal(vm.UID))
}
}
})
It("[test_id:5263]should restore a vm with containerdisk and blank datavolume", func() {
quantity, err := resource.ParseQuantity("1Gi")
Expect(err).ToNot(HaveOccurred())
vmi = tests.NewRandomVMIWithEphemeralDiskAndUserdata(
cd.ContainerDiskFor(cd.ContainerDiskCirros),
"#!/bin/bash\necho 'hello'\n",
)
vm = tests.NewRandomVirtualMachine(vmi, false)
dvName := "dv-" + vm.Name
vm.Spec.DataVolumeTemplates = []v1.DataVolumeTemplateSpec{
{
ObjectMeta: metav1.ObjectMeta{
Name: dvName,
},
Spec: cdiv1.DataVolumeSpec{
Source: &cdiv1.DataVolumeSource{
Blank: &cdiv1.DataVolumeBlankImage{},
},
PVC: &corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce},
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
"storage": quantity,
},
},
StorageClassName: &snapshotStorageClass,
},
},
},
}
vm.Spec.Template.Spec.Domain.Devices.Disks = append(vm.Spec.Template.Spec.Domain.Devices.Disks, v1.Disk{
Name: "blank",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: "virtio",
},
},
})
vm.Spec.Template.Spec.Volumes = append(vm.Spec.Template.Spec.Volumes, v1.Volume{
Name: "blank",
VolumeSource: v1.VolumeSource{
DataVolume: &v1.DataVolumeSource{
Name: "dv-" + vm.Name,
},
},
})
vm, vmi = createAndStartVM(vm)
doRestore("/dev/vdc", console.LoginToCirros, false)
Expect(restore.Status.DeletedDataVolumes).To(HaveLen(1))
Expect(restore.Status.DeletedDataVolumes).To(ContainElement(dvName))
_, err = virtClient.CdiClient().CdiV1beta1().DataVolumes(vm.Namespace).Get(context.Background(), dvName, metav1.GetOptions{})
Expect(errors.IsNotFound(err)).To(BeTrue())
})
It("should reject vm start if restore in progress", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeAndUserDataInStorageClass(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskCirros),
util.NamespaceTestDefault,
"#!/bin/bash\necho 'hello'\n",
snapshotStorageClass,
))
By("Stopping VM")
vm = tests.StopVirtualMachine(vm)
By("creating snapshot")
snapshot = createSnapshot(vm)
fp := admissionregistrationv1.Fail
sideEffectNone := admissionregistrationv1.SideEffectClassNone
whPath := "/foobar"
whName := "dummy-webhook-deny-pvc-create.kubevirt.io"
wh := &admissionregistrationv1.ValidatingWebhookConfiguration{
ObjectMeta: metav1.ObjectMeta{
Name: "temp-webhook-deny-pvc-create",
},
Webhooks: []admissionregistrationv1.ValidatingWebhook{
{
Name: whName,
AdmissionReviewVersions: []string{"v1", "v1beta1"},
FailurePolicy: &fp,
SideEffects: &sideEffectNone,
Rules: []admissionregistrationv1.RuleWithOperations{{
Operations: []admissionregistrationv1.OperationType{
admissionregistrationv1.Create,
},
Rule: admissionregistrationv1.Rule{
APIGroups: []string{""},
APIVersions: v1.ApiSupportedWebhookVersions,
Resources: []string{"persistentvolumeclaims"},
},
}},
ClientConfig: admissionregistrationv1.WebhookClientConfig{
Service: &admissionregistrationv1.ServiceReference{
Namespace: util.NamespaceTestDefault,
Name: "nonexistant",
Path: &whPath,
},
},
},
},
}
wh, err := virtClient.AdmissionregistrationV1().ValidatingWebhookConfigurations().Create(context.Background(), wh, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
webhook = wh
restore := createRestoreDef(vm, snapshot.Name)
restore, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
restore, err = virtClient.VirtualMachineRestore(restore.Namespace).Get(context.Background(), restore.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
updatedVM, err := virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return restore.Status != nil &&
len(restore.Status.Conditions) == 2 &&
restore.Status.Conditions[0].Status == corev1.ConditionFalse &&
restore.Status.Conditions[1].Status == corev1.ConditionFalse &&
strings.Contains(restore.Status.Conditions[0].Reason, whName) &&
strings.Contains(restore.Status.Conditions[1].Reason, whName) &&
updatedVM.Status.RestoreInProgress != nil &&
*updatedVM.Status.RestoreInProgress == restore.Name
}, 180*time.Second, 3*time.Second).Should(BeTrue())
running := true
updatedVM, err := virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
updatedVM.Spec.Running = &running
_, err = virtClient.VirtualMachine(updatedVM.Namespace).Update(updatedVM)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(fmt.Sprintf("Cannot start VM until restore %q completes", restore.Name)))
deleteWebhook(webhook)
webhook = nil
restore = waitRestoreComplete(restore, vm)
Eventually(func() bool {
updatedVM, err := virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return updatedVM.Status.RestoreInProgress == nil
}, 30*time.Second, 3*time.Second).Should(BeTrue())
vm = tests.StartVirtualMachine(vm)
deleteRestore(restore)
})
It("[test_id:6053]should restore a vm from an online snapshot", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeAndUserDataInStorageClass(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskCirros),
util.NamespaceTestDefault,
"#!/bin/bash\necho 'hello'\n",
snapshotStorageClass,
))
doRestore("", console.LoginToCirros, true)
})
It("[test_id:6766]should restore a vm from an online snapshot with guest agent", func() {
quantity, err := resource.ParseQuantity("1Gi")
Expect(err).ToNot(HaveOccurred())
vmi = tests.NewRandomFedoraVMIWithGuestAgent()
vmi.Namespace = util.NamespaceTestDefault
vm = tests.NewRandomVirtualMachine(vmi, false)
dvName := "dv-" + vm.Name
vm.Spec.DataVolumeTemplates = []v1.DataVolumeTemplateSpec{
{
ObjectMeta: metav1.ObjectMeta{
Name: dvName,
},
Spec: cdiv1.DataVolumeSpec{
Source: &cdiv1.DataVolumeSource{
Blank: &cdiv1.DataVolumeBlankImage{},
},
PVC: &corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce},
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
"storage": quantity,
},
},
StorageClassName: &snapshotStorageClass,
},
},
},
}
vm.Spec.Template.Spec.Domain.Devices.Disks = append(vm.Spec.Template.Spec.Domain.Devices.Disks, v1.Disk{
Name: "blank",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: "virtio",
},
},
})
vm.Spec.Template.Spec.Volumes = append(vm.Spec.Template.Spec.Volumes, v1.Volume{
Name: "blank",
VolumeSource: v1.VolumeSource{
DataVolume: &v1.DataVolumeSource{
Name: "dv-" + vm.Name,
},
},
})
vm, vmi = createAndStartVM(vm)
tests.WaitForSuccessfulVMIStartWithTimeout(vmi, 300)
tests.WaitAgentConnected(virtClient, vmi)
doRestore("/dev/vdc", console.LoginToFedora, true)
})
It("[test_id:6836]should restore an online vm snapshot that boots from a datavolumetemplate with guest agent", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
util.NamespaceTestDefault,
snapshotStorageClass,
corev1.ReadWriteOnce))
tests.WaitAgentConnected(virtClient, vmi)
Expect(libnet.WithIPv6(console.LoginToFedora)(vmi)).To(Succeed())
originalDVName := vm.Spec.DataVolumeTemplates[0].Name
doRestore("", console.LoginToFedora, true)
Expect(restore.Status.DeletedDataVolumes).To(HaveLen(1))
Expect(restore.Status.DeletedDataVolumes).To(ContainElement(originalDVName))
_, err = virtClient.CdiClient().CdiV1beta1().DataVolumes(vm.Namespace).Get(context.Background(), originalDVName, metav1.GetOptions{})
Expect(errors.IsNotFound(err)).To(BeTrue())
})
It("should restore vm spec at startup without new changes", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
util.NamespaceTestDefault,
snapshotStorageClass,
corev1.ReadWriteOnce))
tests.WaitAgentConnected(virtClient, vmi)
Expect(libnet.WithIPv6(console.LoginToFedora)(vmi)).To(Succeed())
By("Updating the VM template spec")
initialMemory := vmi.Spec.Domain.Resources.Requests[corev1.ResourceMemory]
newMemory := resource.MustParse("2Gi")
Expect(newMemory).ToNot(Equal(initialMemory))
newVM, err := virtClient.VirtualMachine(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
updatedVM := newVM.DeepCopy()
updatedVM.Spec.Template.Spec.Domain.Resources.Requests = corev1.ResourceList{
corev1.ResourceMemory: newMemory,
}
updatedVM, err = virtClient.VirtualMachine(updatedVM.Namespace).Update(updatedVM)
Expect(err).ToNot(HaveOccurred())
By("creating snapshot")
snapshot = createSnapshot(vm)
newVM = tests.StopVirtualMachine(updatedVM)
newVM = tests.StartVirtualMachine(newVM)
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vmi.Spec.Domain.Resources.Requests[corev1.ResourceMemory]).To(Equal(newMemory))
newVM = tests.StopVirtualMachine(newVM)
By("Restoring VM")
restore = createRestoreDef(newVM, snapshot.Name)
restore, err = virtClient.VirtualMachineRestore(vm.Namespace).Create(context.Background(), restore, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
restore = waitRestoreComplete(restore, newVM)
Expect(restore.Status.Restores).To(HaveLen(1))
newVM = tests.StartVirtualMachine(newVM)
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vmi.Spec.Domain.Resources.Requests[corev1.ResourceMemory]).To(Equal(initialMemory))
})
It("should restore vm with hot plug disks", func() {
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
util.NamespaceTestDefault,
snapshotStorageClass,
corev1.ReadWriteOnce))
tests.WaitAgentConnected(virtClient, vmi)
Expect(libnet.WithIPv6(console.LoginToFedora)(vmi)).To(Succeed())
By("Add persistent hotplug disk")
persistVolName := tests.AddVolumeAndVerify(virtClient, snapshotStorageClass, vm, false)
By("Add temporary hotplug disk")
tempVolName := tests.AddVolumeAndVerify(virtClient, snapshotStorageClass, vm, true)
doRestore("", console.LoginToFedora, true)
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(len(vmi.Spec.Volumes)).To(Equal(2))
foundHotPlug := false
foundTempHotPlug := false
for _, volume := range vmi.Spec.Volumes {
if volume.Name == persistVolName {
foundHotPlug = true