/
snapshot.go
1647 lines (1421 loc) · 67.4 KB
/
snapshot.go
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package storage
import (
"context"
"fmt"
"strings"
"time"
"kubevirt.io/kubevirt/tests/decorators"
"kubevirt.io/kubevirt/tests/watcher"
expect "github.com/google/goexpect"
vsv1 "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gstruct"
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"
"k8s.io/utils/pointer"
"kubevirt.io/kubevirt/pkg/apimachinery/patch"
"kubevirt.io/kubevirt/tests/exec"
"kubevirt.io/kubevirt/tests/framework/kubevirt"
"kubevirt.io/kubevirt/tests/framework/matcher"
"kubevirt.io/kubevirt/tests/testsuite"
v1 "kubevirt.io/api/core/v1"
instancetypev1beta1 "kubevirt.io/api/instancetype/v1beta1"
snapshotv1 "kubevirt.io/api/snapshot/v1alpha1"
"kubevirt.io/client-go/kubecli"
cdiv1 "kubevirt.io/containerized-data-importer-api/pkg/apis/core/v1beta1"
"kubevirt.io/kubevirt/tests"
"kubevirt.io/kubevirt/tests/console"
cd "kubevirt.io/kubevirt/tests/containerdisk"
"kubevirt.io/kubevirt/tests/libdv"
"kubevirt.io/kubevirt/tests/libstorage"
"kubevirt.io/kubevirt/tests/libvmi"
"kubevirt.io/kubevirt/tests/libwait"
)
const (
grepCmd = "%s | grep \"%s\"\n"
grepCmdWithCount = "%s | grep \"%s\"| wc -l\n"
qemuGa = ".*qemu-ga.*%s.*"
vmSnapshotContent = "vmsnapshot-content"
snapshotDeadlineExceeded = "snapshot deadline exceeded"
notReady = "Not ready"
operationComplete = "Operation complete"
)
var _ = SIGDescribe("VirtualMachineSnapshot Tests", func() {
var (
err error
virtClient kubecli.KubevirtClient
vm *v1.VirtualMachine
snapshot *snapshotv1.VirtualMachineSnapshot
webhook *admissionregistrationv1.ValidatingWebhookConfiguration
)
groupName := "kubevirt.io"
newSnapshot := func() *snapshotv1.VirtualMachineSnapshot {
return &snapshotv1.VirtualMachineSnapshot{
ObjectMeta: metav1.ObjectMeta{
Name: "snapshot-" + vm.Name,
Namespace: vm.Namespace,
},
Spec: snapshotv1.VirtualMachineSnapshotSpec{
Source: corev1.TypedLocalObjectReference{
APIGroup: &groupName,
Kind: "VirtualMachine",
Name: vm.Name,
},
},
}
}
waitSnapshotReady := func() {
Eventually(func() *snapshotv1.VirtualMachineSnapshotStatus {
snapshot, err = virtClient.VirtualMachineSnapshot(vm.Namespace).Get(context.Background(), snapshot.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return snapshot.Status
}, 180*time.Second, time.Second).Should(gstruct.PointTo(gstruct.MatchFields(gstruct.IgnoreExtras, gstruct.Fields{
"ReadyToUse": gstruct.PointTo(BeTrue()),
})))
}
waitSnapshotSucceeded := func(snapshotName string) *snapshotv1.VirtualMachineSnapshot {
var snapshot *snapshotv1.VirtualMachineSnapshot
Eventually(func() *snapshotv1.VirtualMachineSnapshotStatus {
snapshot, err = virtClient.VirtualMachineSnapshot(vm.Namespace).Get(context.Background(), snapshotName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return snapshot.Status
}, 180*time.Second, 2*time.Second).Should(gstruct.PointTo(gstruct.MatchFields(gstruct.IgnoreExtras, gstruct.Fields{
"Conditions": ContainElements(
gstruct.MatchFields(gstruct.IgnoreExtras, gstruct.Fields{
"Type": Equal(snapshotv1.ConditionReady),
"Status": Equal(corev1.ConditionTrue),
"Reason": Equal(operationComplete)}),
gstruct.MatchFields(gstruct.IgnoreExtras, gstruct.Fields{
"Type": Equal(snapshotv1.ConditionProgressing),
"Status": Equal(corev1.ConditionFalse),
"Reason": Equal(operationComplete)}),
),
})))
return snapshot
}
deleteSnapshot := func() {
err := virtClient.VirtualMachineSnapshot(snapshot.Namespace).Delete(context.Background(), snapshot.Name, metav1.DeleteOptions{})
if errors.IsNotFound(err) {
err = nil
}
Expect(err).ToNot(HaveOccurred())
snapshot = nil
}
deleteWebhook := func() {
err := virtClient.AdmissionregistrationV1().ValidatingWebhookConfigurations().Delete(context.Background(), webhook.Name, metav1.DeleteOptions{})
if errors.IsNotFound(err) {
err = nil
}
Expect(err).ToNot(HaveOccurred())
webhook = nil
}
deletePVC := func(pvc *corev1.PersistentVolumeClaim) {
err := virtClient.CoreV1().PersistentVolumeClaims(pvc.Namespace).Delete(context.Background(), pvc.Name, metav1.DeleteOptions{})
if errors.IsNotFound(err) {
err = nil
}
Expect(err).ToNot(HaveOccurred())
pvc = nil
}
waitDataVolumePopulated := func(namespace, name string) {
libstorage.EventuallyDVWith(namespace, name, 180, matcher.HaveSucceeded())
// THIS SHOULD NOT BE NECESSARY - but in DV/Populator integration
Eventually(func() string {
pvc, err := virtClient.CoreV1().PersistentVolumeClaims(namespace).Get(context.Background(), name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return pvc.Spec.VolumeName
}, 180*time.Second, time.Second).ShouldNot(BeEmpty())
}
createDenyVolumeSnapshotCreateWebhook := func() {
fp := admissionregistrationv1.Fail
sideEffectNone := admissionregistrationv1.SideEffectClassNone
whPath := "/foobar"
whName := "dummy-webhook-deny-volume-snapshot-create.kubevirt.io"
wh := &admissionregistrationv1.ValidatingWebhookConfiguration{
ObjectMeta: metav1.ObjectMeta{
Name: "temp-webhook-deny-volume-snapshot-create-" + rand.String(5),
},
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{vsv1.GroupName},
APIVersions: []string{vsv1.SchemeGroupVersion.Version},
Resources: []string{"volumesnapshots"},
},
}},
ClientConfig: admissionregistrationv1.WebhookClientConfig{
Service: &admissionregistrationv1.ServiceReference{
Namespace: testsuite.GetTestNamespace(nil),
Name: "nonexistant",
Path: &whPath,
},
},
ObjectSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"snapshot.kubevirt.io/source-vm-name": vm.Name,
},
},
},
},
}
wh, err := virtClient.AdmissionregistrationV1().ValidatingWebhookConfigurations().Create(context.Background(), wh, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
webhook = wh
}
checkOnlineSnapshotExpectedContentSource := func(vm *v1.VirtualMachine, contentName string, expectVolumeBackups bool) {
content, err := virtClient.VirtualMachineSnapshotContent(vm.Namespace).Get(context.Background(), contentName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
vm.Spec.Template.Spec.Volumes = content.Spec.Source.VirtualMachine.Spec.Template.Spec.Volumes
vm.Spec.Template.Spec.Domain.Devices.Disks = content.Spec.Source.VirtualMachine.Spec.Template.Spec.Domain.Devices.Disks
Expect(*content.Spec.VirtualMachineSnapshotName).To(Equal(snapshot.Name))
Expect(content.Spec.Source.VirtualMachine.Spec).To(Equal(vm.Spec))
Expect(content.Spec.Source.VirtualMachine.UID).ToNot(BeEmpty())
if expectVolumeBackups {
Expect(content.Spec.VolumeBackups).Should(HaveLen(len(vm.Spec.DataVolumeTemplates)))
} else {
Expect(content.Spec.VolumeBackups).Should(BeEmpty())
}
}
BeforeEach(func() {
virtClient = kubevirt.Client()
})
AfterEach(func() {
if snapshot != nil {
deleteSnapshot()
}
if webhook != nil {
deleteWebhook()
}
})
Context("With simple VM", func() {
BeforeEach(func() {
var err error
vm = libvmi.NewVirtualMachine(libvmi.NewCirros())
vm, err = virtClient.VirtualMachine(testsuite.GetTestNamespace(nil)).Create(context.Background(), vm)
Expect(err).ToNot(HaveOccurred())
})
createAndVerifyVMSnapshot := func(vm *v1.VirtualMachine) {
snapshot = newSnapshot()
_, err := virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
waitSnapshotReady()
Expect(snapshot.Status.SourceUID).ToNot(BeNil())
Expect(*snapshot.Status.SourceUID).To(Equal(vm.UID))
contentName := *snapshot.Status.VirtualMachineSnapshotContentName
if vm.Spec.Running != nil && *vm.Spec.Running {
expectedIndications := []snapshotv1.Indication{snapshotv1.VMSnapshotOnlineSnapshotIndication, snapshotv1.VMSnapshotNoGuestAgentIndication}
Expect(snapshot.Status.Indications).To(Equal(expectedIndications))
checkOnlineSnapshotExpectedContentSource(vm, contentName, false)
} else {
Expect(snapshot.Status.Indications).To(BeEmpty())
content, err := virtClient.VirtualMachineSnapshotContent(vm.Namespace).Get(context.Background(), contentName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(*content.Spec.VirtualMachineSnapshotName).To(Equal(snapshot.Name))
Expect(content.Spec.Source.VirtualMachine.Spec).To(Equal(vm.Spec))
Expect(content.Spec.Source.VirtualMachine.UID).ToNot(BeEmpty())
Expect(content.Spec.VolumeBackups).To(BeEmpty())
}
}
It("[test_id:4609]should successfully create a snapshot", func() {
createAndVerifyVMSnapshot(vm)
})
It("[test_id:4610]create a snapshot when VM is running should succeed", func() {
patch := []byte("[{ \"op\": \"replace\", \"path\": \"/spec/running\", \"value\": true }]")
vm, err = virtClient.VirtualMachine(vm.Namespace).Patch(context.Background(), vm.Name, types.JSONPatchType, patch, &metav1.PatchOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(*vm.Spec.Running).Should(BeTrue())
createAndVerifyVMSnapshot(vm)
})
It("should create a snapshot when VM runStrategy is Manual", func() {
patch := []byte("[{ \"op\": \"remove\", \"path\": \"/spec/running\"}, { \"op\": \"add\", \"path\": \"/spec/runStrategy\", \"value\": \"Manual\"}]")
vm, err = virtClient.VirtualMachine(vm.Namespace).Patch(context.Background(), vm.Name, types.JSONPatchType, patch, &metav1.PatchOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vm.Spec.RunStrategy).ToNot(BeNil())
Expect(*vm.Spec.RunStrategy).Should(Equal(v1.RunStrategyManual))
createAndVerifyVMSnapshot(vm)
})
It("VM should contain snapshot status for all volumes", func() {
patch := []byte("[{ \"op\": \"replace\", \"path\": \"/spec/running\", \"value\": true }]")
vm, err := virtClient.VirtualMachine(vm.Namespace).Patch(context.Background(), vm.Name, types.JSONPatchType, patch, &metav1.PatchOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
vm2, err := virtClient.VirtualMachine(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
By(fmt.Sprintf("VM Statuses: %+v", vm2.Status))
return len(vm2.Status.VolumeSnapshotStatuses) == 2 &&
vm2.Status.VolumeSnapshotStatuses[0].Name == "disk0" &&
vm2.Status.VolumeSnapshotStatuses[1].Name == "disk1"
}, 180*time.Second, time.Second).Should(BeTrue())
})
})
Context("[storage-req]", decorators.StorageReq, func() {
var (
snapshotStorageClass string
)
BeforeEach(func() {
sc, err := libstorage.GetSnapshotStorageClass(virtClient)
Expect(err).ToNot(HaveOccurred())
if sc == "" {
Skip("Skiping test, no VolumeSnapshot support")
}
snapshotStorageClass = sc
})
Context("With online vm snapshot", func() {
const VELERO_PREBACKUP_HOOK_CONTAINER_ANNOTATION = "pre.hook.backup.velero.io/container"
const VELERO_PREBACKUP_HOOK_COMMAND_ANNOTATION = "pre.hook.backup.velero.io/command"
const VELERO_POSTBACKUP_HOOK_CONTAINER_ANNOTATION = "post.hook.backup.velero.io/container"
const VELERO_POSTBACKUP_HOOK_COMMAND_ANNOTATION = "post.hook.backup.velero.io/command"
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(context.Background(), vm)
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
if errors.IsNotFound(err) {
return false
}
Expect(err).ToNot(HaveOccurred())
return vmi.Status.Phase == v1.Running
}, 360*time.Second, time.Second).Should(BeTrue())
return vm, vmi
}
checkVMFreeze := func(snapshot *snapshotv1.VirtualMachineSnapshot, vmi *v1.VirtualMachineInstance, hasGuestAgent, shouldFreeze bool) {
var expectedIndications []snapshotv1.Indication
if hasGuestAgent {
expectedIndications = []snapshotv1.Indication{snapshotv1.VMSnapshotOnlineSnapshotIndication, snapshotv1.VMSnapshotGuestAgentIndication}
} else {
expectedIndications = []snapshotv1.Indication{snapshotv1.VMSnapshotOnlineSnapshotIndication, snapshotv1.VMSnapshotNoGuestAgentIndication}
}
Expect(snapshot.Status.Indications).To(Equal(expectedIndications))
conditionsLength := 2
Expect(snapshot.Status.Conditions).To(HaveLen(conditionsLength))
Expect(snapshot).To(matcher.HaveConditionMissingOrFalse(snapshotv1.ConditionProgressing))
Expect(snapshot).To(matcher.HaveConditionTrue(snapshotv1.ConditionReady))
Expect(console.LoginToFedora(vmi)).To(Succeed())
journalctlCheck := "journalctl --file /var/log/journal/*/system.journal"
expectedFreezeOutput := "executing fsfreeze hook with arg 'freeze'"
expectedThawOutput := "executing fsfreeze hook with arg 'thaw'"
if hasGuestAgent {
if shouldFreeze {
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: fmt.Sprintf(grepCmd, journalctlCheck, expectedFreezeOutput)},
&expect.BExp{R: fmt.Sprintf(qemuGa, expectedFreezeOutput)},
&expect.BSnd{S: tests.EchoLastReturnValue},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: fmt.Sprintf(grepCmd, journalctlCheck, expectedThawOutput)},
&expect.BExp{R: fmt.Sprintf(qemuGa, expectedThawOutput)},
&expect.BSnd{S: tests.EchoLastReturnValue},
&expect.BExp{R: console.RetValue("0")},
&expect.BSnd{S: fmt.Sprintf(grepCmdWithCount, journalctlCheck, expectedThawOutput)},
&expect.BExp{R: console.RetValue("1")},
&expect.BSnd{S: tests.EchoLastReturnValue},
&expect.BExp{R: console.RetValue("0")},
}, 30)).To(Succeed())
} else {
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: fmt.Sprintf(grepCmd, journalctlCheck, expectedFreezeOutput)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: tests.EchoLastReturnValue},
&expect.BExp{R: console.RetValue("1")},
}, 30)).To(Succeed())
}
}
}
checkContentSourceAndMemory := func(vm *v1.VirtualMachine, contentName string, expectedMemory resource.Quantity) {
content, err := virtClient.VirtualMachineSnapshotContent(vm.Namespace).Get(context.Background(), contentName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
contentSourceSpec := content.Spec.Source.VirtualMachine.Spec
snapshotSourceMemory := contentSourceSpec.Template.Spec.Domain.Resources.Requests[corev1.ResourceMemory]
Expect(snapshotSourceMemory).To(Equal(expectedMemory))
checkOnlineSnapshotExpectedContentSource(vm, contentName, true)
}
callVeleroHook := func(vmi *v1.VirtualMachineInstance, annoContainer, annoCommand string) (string, string, error) {
pod := tests.GetPodByVirtualMachineInstance(vmi)
command := pod.Annotations[annoCommand]
command = strings.Trim(command, "[]")
commandSlice := []string{}
for _, c := range strings.Split(command, ",") {
commandSlice = append(commandSlice, strings.Trim(c, "\" "))
}
virtClient := kubevirt.Client()
return exec.ExecuteCommandOnPodWithResults(virtClient, pod, pod.Annotations[annoContainer], commandSlice)
}
It("[test_id:6767]with volumes and guest agent available", func() {
quantity, err := resource.ParseQuantity("1Gi")
Expect(err).ToNot(HaveOccurred())
vmi := tests.NewRandomFedoraVMI()
vmi.Namespace = testsuite.GetTestNamespace(nil)
vm = libvmi.NewVirtualMachine(vmi)
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: v1.DiskBusVirtio,
},
},
})
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)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
initialMemory := vmi.Spec.Domain.Resources.Requests[corev1.ResourceMemory]
newMemory := resource.MustParse("1Gi")
Expect(newMemory).ToNot(Equal(initialMemory))
//update vm to make sure vm revision is saved in the snapshot
By("Updating the VM template spec")
patchData, err := patch.GenerateTestReplacePatch(
"/spec/template/spec/domain/resources/requests/"+string(corev1.ResourceMemory),
initialMemory,
newMemory,
)
Expect(err).ToNot(HaveOccurred())
_, err = virtClient.VirtualMachine(vm.Namespace).Patch(context.Background(), vm.Name, types.JSONPatchType, patchData, &metav1.PatchOptions{})
Expect(err).ToNot(HaveOccurred())
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
waitSnapshotReady()
shouldFreeze := true
checkVMFreeze(snapshot, vmi, true, shouldFreeze)
Expect(snapshot.Status.CreationTime).ToNot(BeNil())
contentName := *snapshot.Status.VirtualMachineSnapshotContentName
checkContentSourceAndMemory(vm.DeepCopy(), contentName, initialMemory)
})
It("[test_id:6768]with volumes and no guest agent available", func() {
quantity, err := resource.ParseQuantity("1Gi")
Expect(err).ToNot(HaveOccurred())
vmi := tests.NewRandomFedoraVMI()
vmi.Namespace = testsuite.GetTestNamespace(nil)
vm = libvmi.NewVirtualMachine(vmi)
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: v1.DiskBusVirtio,
},
},
})
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)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
waitSnapshotReady()
shouldFreeze := false
checkVMFreeze(snapshot, vmi, false, shouldFreeze)
Expect(snapshot.Status.CreationTime).ToNot(BeNil())
contentName := *snapshot.Status.VirtualMachineSnapshotContentName
checkOnlineSnapshotExpectedContentSource(vm.DeepCopy(), contentName, true)
})
It("[test_id:6769]without volumes with guest agent available", func() {
vmi := tests.NewRandomFedoraVMI()
vmi.Namespace = testsuite.GetTestNamespace(nil)
vm = libvmi.NewVirtualMachine(vmi)
vm, vmi = createAndStartVM(vm)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
waitSnapshotReady()
shouldFreeze := false
checkVMFreeze(snapshot, vmi, true, shouldFreeze)
Expect(snapshot.Status.CreationTime).ToNot(BeNil())
contentName := *snapshot.Status.VirtualMachineSnapshotContentName
checkOnlineSnapshotExpectedContentSource(vm.DeepCopy(), contentName, false)
})
It("[test_id:6837]delete snapshot after freeze, expect vm unfreeze", func() {
var vmi *v1.VirtualMachineInstance
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
testsuite.GetTestNamespace(nil),
snapshotStorageClass,
corev1.ReadWriteOnce))
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
Expect(console.LoginToFedora(vmi)).To(Succeed())
createDenyVolumeSnapshotCreateWebhook()
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
updatedVMI, err := virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return updatedVMI.Status.FSFreezeStatus == "frozen"
}, time.Minute, 2*time.Second).Should(BeTrue())
deleteSnapshot()
Eventually(func() bool {
updatedVMI, err := virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return updatedVMI.Status.FSFreezeStatus == ""
}, time.Minute, 2*time.Second).Should(BeTrue())
})
It("[test_id:6949]should unfreeze vm if snapshot fails when deadline exceeded", func() {
var vmi *v1.VirtualMachineInstance
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
testsuite.GetTestNamespace(nil),
snapshotStorageClass,
corev1.ReadWriteOnce))
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
Expect(console.LoginToFedora(vmi)).To(Succeed())
createDenyVolumeSnapshotCreateWebhook()
snapshot = newSnapshot()
snapshot.Spec.FailureDeadline = &metav1.Duration{Duration: 40 * time.Second}
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool {
snapshot, err = virtClient.VirtualMachineSnapshot(vm.Namespace).Get(context.Background(), snapshot.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
updatedVMI, err := virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return snapshot.Status != nil &&
snapshot.Status.Phase == snapshotv1.InProgress &&
updatedVMI.Status.FSFreezeStatus == "frozen"
}, 30*time.Second, 2*time.Second).Should(BeTrue())
contentName := fmt.Sprintf("%s-%s", vmSnapshotContent, snapshot.UID)
Eventually(func() bool {
snapshot, err = virtClient.VirtualMachineSnapshot(vm.Namespace).Get(context.Background(), snapshot.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
updatedVMI, err := virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
_, contentErr := virtClient.VirtualMachineSnapshotContent(vm.Namespace).Get(context.Background(), contentName, metav1.GetOptions{})
return snapshot.Status != nil &&
len(snapshot.Status.Conditions) == 3 &&
snapshot.Status.Conditions[0].Status == corev1.ConditionFalse &&
strings.Contains(snapshot.Status.Conditions[0].Reason, snapshotDeadlineExceeded) &&
snapshot.Status.Conditions[1].Status == corev1.ConditionFalse &&
strings.Contains(snapshot.Status.Conditions[1].Reason, notReady) &&
snapshot.Status.Conditions[2].Status == corev1.ConditionTrue &&
snapshot.Status.Conditions[2].Type == snapshotv1.ConditionFailure &&
strings.Contains(snapshot.Status.Conditions[2].Reason, snapshotDeadlineExceeded) &&
snapshot.Status.Phase == snapshotv1.Failed &&
updatedVMI.Status.FSFreezeStatus == "" &&
errors.IsNotFound(contentErr)
}, time.Minute, 2*time.Second).Should(BeTrue())
})
It("[test_id:7472]should succeed online snapshot with hot plug disk", func() {
var vmi *v1.VirtualMachineInstance
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
testsuite.GetTestNamespace(nil),
snapshotStorageClass,
corev1.ReadWriteOnce))
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
Expect(console.LoginToFedora(vmi)).To(Succeed())
By("Add persistent hotplug disk")
persistVolName := AddVolumeAndVerify(virtClient, snapshotStorageClass, vm, false)
By("Add temporary hotplug disk")
tempVolName := AddVolumeAndVerify(virtClient, snapshotStorageClass, vm, true)
By("Create Snapshot")
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
snapshot = waitSnapshotSucceeded(snapshot.Name)
expectedIndications := []snapshotv1.Indication{snapshotv1.VMSnapshotOnlineSnapshotIndication, snapshotv1.VMSnapshotGuestAgentIndication}
Expect(snapshot.Status.Indications).To(Equal(expectedIndications))
updatedVM, err := virtClient.VirtualMachine(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
contentName := *snapshot.Status.VirtualMachineSnapshotContentName
content, err := virtClient.VirtualMachineSnapshotContent(vm.Namespace).Get(context.Background(), contentName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
contentVMTemplate := content.Spec.Source.VirtualMachine.Spec.Template
Expect(contentVMTemplate.Spec.Volumes).Should(HaveLen(len(updatedVM.Spec.Template.Spec.Volumes)))
foundHotPlug := false
foundTempHotPlug := false
for _, volume := range contentVMTemplate.Spec.Volumes {
if volume.Name == persistVolName {
foundHotPlug = true
} else if volume.Name == tempVolName {
foundTempHotPlug = true
}
}
Expect(foundHotPlug).To(BeTrue())
Expect(foundTempHotPlug).To(BeFalse())
Expect(content.Spec.VolumeBackups).Should(HaveLen(len(updatedVM.Spec.Template.Spec.Volumes)))
Expect(snapshot.Status.SnapshotVolumes.IncludedVolumes).Should(HaveLen(len(content.Spec.VolumeBackups)))
Expect(snapshot.Status.SnapshotVolumes.ExcludedVolumes).Should(BeEmpty())
for _, vol := range updatedVM.Spec.Template.Spec.Volumes {
if vol.DataVolume == nil {
continue
}
found := false
for _, vb := range content.Spec.VolumeBackups {
if vol.DataVolume.Name == vb.PersistentVolumeClaim.Name {
found = true
Expect(vol.Name).To(Equal(vb.VolumeName))
pvc, err := virtClient.CoreV1().PersistentVolumeClaims(vm.Namespace).Get(context.Background(), vol.DataVolume.Name, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(pvc.Spec).To(Equal(vb.PersistentVolumeClaim.Spec))
Expect(vb.VolumeSnapshotName).ToNot(BeNil())
vs, err := virtClient.
KubernetesSnapshotClient().
SnapshotV1().
VolumeSnapshots(vm.Namespace).
Get(context.Background(), *vb.VolumeSnapshotName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(*vs.Spec.Source.PersistentVolumeClaimName).Should(Equal(vol.DataVolume.Name))
Expect(vs.Status.Error).To(BeNil())
Expect(*vs.Status.ReadyToUse).To(BeTrue())
}
}
Expect(found).To(BeTrue())
}
})
It("[QUARANTINE] should report appropriate event when freeze fails", decorators.Quarantine, func() {
// Activate SELinux and reboot machine so we can force fsfreeze failure
const userData = "#cloud-config\n" +
"password: fedora\n" +
"chpasswd: { expire: False }\n" +
"runcmd:\n" +
" - sudo sed -i 's/^SELINUX=.*/SELINUX=enforcing/' /etc/selinux/config\n"
vmi := libvmi.NewFedora(
libvmi.WithCloudInitNoCloudUserData(userData),
libvmi.WithNamespace(testsuite.GetTestNamespace(nil)))
dv := libdv.NewDataVolume(
libdv.WithBlankImageSource(),
libdv.WithPVC(libdv.PVCWithStorageClass(snapshotStorageClass), libdv.PVCWithVolumeSize(cd.BlankVolumeSize)),
)
vm = libvmi.NewVirtualMachine(vmi, libvmi.WithDataVolumeTemplate(dv))
// Adding snapshotable volume
libstorage.AddDataVolume(vm, "blank", dv)
vm, vmi = createAndStartVM(vm)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
Eventually(matcher.ThisVMI(vmi), 1*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
// Restart VM again to enable SELinux
Expect(virtClient.VirtualMachineInstance(vmi.Namespace).SoftReboot(context.Background(), vmi.Name)).ToNot(HaveOccurred())
Eventually(matcher.ThisVMI(vmi), 3*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
blankDisk := "/dev/"
Eventually(func() bool {
vmi, err = virtClient.VirtualMachineInstance(vmi.Namespace).Get(context.Background(), vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
for _, volStatus := range vmi.Status.VolumeStatus {
if volStatus.Name == "blank" {
blankDisk += volStatus.Target
return true
}
}
return false
}, 30*time.Second, time.Second).Should(BeTrue())
// Recreating one specific SELinux error.
// Better described in https://bugzilla.redhat.com/show_bug.cgi?id=2237678
Expect(console.LoginToFedora(vmi)).To(Succeed())
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "mkdir /mount_dir\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: fmt.Sprintf("mkfs.ext4 %s\n", blankDisk)},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: fmt.Sprintf("mount %s /mount_dir\n", blankDisk)},
&expect.BExp{R: console.PromptExpression},
}, 20)).To(Succeed())
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
objectEventWatcher := watcher.New(vmi).SinceWatchedObjectResourceVersion().Timeout(time.Duration(30) * time.Second)
objectEventWatcher.WaitFor(context.Background(), watcher.WarningEvent, "FreezeError")
})
It("Calling Velero hooks should freeze/unfreeze VM", func() {
By("Creating VM")
vmi := tests.NewRandomFedoraVMI()
vmi.Namespace = testsuite.GetTestNamespace(nil)
vm = libvmi.NewVirtualMachine(vmi)
vm, vmi = createAndStartVM(vm)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
By("Logging into Fedora")
Expect(console.LoginToFedora(vmi)).To(Succeed())
By("Calling Velero pre-backup hook")
_, _, err := callVeleroHook(vmi, VELERO_PREBACKUP_HOOK_CONTAINER_ANNOTATION, VELERO_PREBACKUP_HOOK_COMMAND_ANNOTATION)
Expect(err).ToNot(HaveOccurred())
By("Veryfing the VM was frozen")
journalctlCheck := "journalctl --file /var/log/journal/*/system.journal"
expectedFreezeOutput := "executing fsfreeze hook with arg 'freeze'"
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: fmt.Sprintf(grepCmd, journalctlCheck, expectedFreezeOutput)},
&expect.BExp{R: fmt.Sprintf(qemuGa, expectedFreezeOutput)},
&expect.BSnd{S: tests.EchoLastReturnValue},
&expect.BExp{R: console.RetValue("0")},
}, 30)).To(Succeed())
Eventually(func() bool {
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return vmi.Status.FSFreezeStatus == "frozen"
}, 180*time.Second, time.Second).Should(BeTrue())
By("Calling Velero post-backup hook")
_, _, err = callVeleroHook(vmi, VELERO_POSTBACKUP_HOOK_CONTAINER_ANNOTATION, VELERO_POSTBACKUP_HOOK_COMMAND_ANNOTATION)
Expect(err).ToNot(HaveOccurred())
By("Veryfing the VM was thawed")
expectedThawOutput := "executing fsfreeze hook with arg 'thaw'"
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: fmt.Sprintf(grepCmd, journalctlCheck, expectedThawOutput)},
&expect.BExp{R: fmt.Sprintf(qemuGa, expectedThawOutput)},
&expect.BSnd{S: tests.EchoLastReturnValue},
&expect.BExp{R: console.RetValue("0")},
}, 30)).To(Succeed())
Eventually(func() bool {
vmi, err = virtClient.VirtualMachineInstance(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
return vmi.Status.FSFreezeStatus == ""
}, 180*time.Second, time.Second).Should(BeTrue())
})
It("[test_id:9647]Calling Velero hooks should not error if no guest agent", func() {
const noGuestAgentString = "No guest agent, exiting"
By("Creating VM")
var vmi *v1.VirtualMachineInstance
running := false
vm = tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskAlpine),
testsuite.GetTestNamespace(nil),
snapshotStorageClass,
corev1.ReadWriteOnce,
)
vm.Spec.Running = &running
vm, vmi = createAndStartVM(vm)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
By("Calling Velero pre-backup hook")
_, stderr, err := callVeleroHook(vmi, VELERO_PREBACKUP_HOOK_CONTAINER_ANNOTATION, VELERO_PREBACKUP_HOOK_COMMAND_ANNOTATION)
Expect(err).ToNot(HaveOccurred())
Expect(stderr).Should(ContainSubstring(noGuestAgentString))
By("Calling Velero post-backup hook")
_, stderr, err = callVeleroHook(vmi, VELERO_POSTBACKUP_HOOK_CONTAINER_ANNOTATION, VELERO_POSTBACKUP_HOOK_COMMAND_ANNOTATION)
Expect(err).ToNot(HaveOccurred())
Expect(stderr).Should(ContainSubstring(noGuestAgentString))
})
It("Calling Velero hooks should error if VM is Paused", func() {
By("Creating VM")
vmi := tests.NewRandomFedoraVMI()
vmi.Namespace = testsuite.GetTestNamespace(nil)
vm = libvmi.NewVirtualMachine(vmi)
vm, vmi = createAndStartVM(vm)
libwait.WaitForSuccessfulVMIStart(vmi,
libwait.WithTimeout(300),
)
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
By("Logging into Fedora")
Expect(console.LoginToFedora(vmi)).To(Succeed())
By("Pausing the VirtualMachineInstance")
err := virtClient.VirtualMachineInstance(vmi.Namespace).Pause(context.Background(), vmi.Name, &v1.PauseOptions{})
Expect(err).ToNot(HaveOccurred())
Eventually(matcher.ThisVMI(vmi), 30*time.Second, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstancePaused))
By("Calling Velero pre-backup hook")
_, stderr, err := callVeleroHook(vmi, VELERO_PREBACKUP_HOOK_CONTAINER_ANNOTATION, VELERO_PREBACKUP_HOOK_COMMAND_ANNOTATION)
Expect(err).To(HaveOccurred())
Expect(stderr).Should(ContainSubstring("Paused VM"))
})
Context("with memory dump", func() {
var memoryDumpPVC *corev1.PersistentVolumeClaim
const memoryDumpPVCName = "fs-pvc"
BeforeEach(func() {
memoryDumpPVC = libstorage.NewPVC(memoryDumpPVCName, "1.5Gi", snapshotStorageClass)
volumeMode := corev1.PersistentVolumeFilesystem
memoryDumpPVC.Spec.VolumeMode = &volumeMode
var err error
memoryDumpPVC, err = virtClient.CoreV1().PersistentVolumeClaims(testsuite.GetTestNamespace(nil)).Create(context.Background(), memoryDumpPVC, metav1.CreateOptions{})
if err != nil {
Skip(fmt.Sprintf("Skiping test, no filesystem pvc available, err: %s", err))
}
})
AfterEach(func() {
if memoryDumpPVC != nil {
deletePVC(memoryDumpPVC)
}
})
getMemoryDump := func(vmName, namespace, claimName string) {
Eventually(func() error {
memoryDumpRequest := &v1.VirtualMachineMemoryDumpRequest{
ClaimName: claimName,
}
return virtClient.VirtualMachine(namespace).MemoryDump(context.Background(), vmName, memoryDumpRequest)
}, 3*time.Second, 1*time.Second).ShouldNot(HaveOccurred())
}
waitMemoryDumpCompletion := func(vm *v1.VirtualMachine) {
Eventually(func() bool {
updatedVM, err := virtClient.VirtualMachine(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
if updatedVM.Status.MemoryDumpRequest == nil ||
updatedVM.Status.MemoryDumpRequest.Phase != v1.MemoryDumpCompleted {
return false
}
return true
}, 60*time.Second, time.Second).Should(BeTrue())
}
It("[test_id:8922]should include memory dump in vm snapshot", func() {
var vmi *v1.VirtualMachineInstance
vm, vmi = createAndStartVM(tests.NewRandomVMWithDataVolumeWithRegistryImport(
cd.DataVolumeImportUrlForContainerDisk(cd.ContainerDiskFedoraTestTooling),
testsuite.GetTestNamespace(nil),
snapshotStorageClass,
corev1.ReadWriteOnce))
Eventually(matcher.ThisVMI(vmi), 12*time.Minute, 2*time.Second).Should(matcher.HaveConditionTrue(v1.VirtualMachineInstanceAgentConnected))
Expect(console.LoginToFedora(vmi)).To(Succeed())
By("Get VM memory dump")
getMemoryDump(vm.Name, vm.Namespace, memoryDumpPVCName)
waitMemoryDumpCompletion(vm)
By("Create Snapshot")
snapshot = newSnapshot()
_, err = virtClient.VirtualMachineSnapshot(snapshot.Namespace).Create(context.Background(), snapshot, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
snapshot = waitSnapshotSucceeded(snapshot.Name)
updatedVM, err := virtClient.VirtualMachine(vm.Namespace).Get(context.Background(), vm.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(updatedVM.Status.MemoryDumpRequest).ToNot(BeNil())
contentName := *snapshot.Status.VirtualMachineSnapshotContentName
content, err := virtClient.VirtualMachineSnapshotContent(vm.Namespace).Get(context.Background(), contentName, metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
contentVMTemplate := content.Spec.Source.VirtualMachine.Spec.Template
Expect(contentVMTemplate.Spec.Volumes).Should(HaveLen(len(updatedVM.Spec.Template.Spec.Volumes)))
foundMemoryDump := false
for _, volume := range contentVMTemplate.Spec.Volumes {
if volume.Name == memoryDumpPVCName {
foundMemoryDump = true
}
}
Expect(foundMemoryDump).To(BeTrue())
Expect(content.Spec.VolumeBackups).Should(HaveLen(len(updatedVM.Spec.Template.Spec.Volumes)))
for _, vol := range updatedVM.Spec.Template.Spec.Volumes {
if vol.MemoryDump == nil {
continue
}
found := false
for _, vb := range content.Spec.VolumeBackups {
if vol.MemoryDump.ClaimName == vb.PersistentVolumeClaim.Name {
found = true
Expect(vol.Name).To(Equal(vb.VolumeName))