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vm_test.go
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vm_test.go
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/*
* This file is part of the KubeVirt project
*
* 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.
*
* Copyright 2017 Red Hat, Inc.
*
*/
package virthandler
import (
"context"
"crypto/tls"
"errors"
"fmt"
"net"
"os"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"k8s.io/utils/pointer"
"kubevirt.io/kubevirt/pkg/safepath"
"kubevirt.io/kubevirt/pkg/virt-controller/services"
k8sruntime "k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/testing"
virtcontroller "kubevirt.io/kubevirt/pkg/controller"
api2 "kubevirt.io/client-go/api"
netcache "kubevirt.io/kubevirt/pkg/network/cache"
neterrors "kubevirt.io/kubevirt/pkg/network/errors"
"kubevirt.io/kubevirt/pkg/util"
"kubevirt.io/kubevirt/pkg/virt-handler/cgroup"
container_disk "kubevirt.io/kubevirt/pkg/virt-handler/container-disk"
hotplug_volume "kubevirt.io/kubevirt/pkg/virt-handler/hotplug-disk"
"github.com/golang/mock/gomock"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
k8sv1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/client-go/tools/cache"
framework "k8s.io/client-go/tools/cache/testing"
"k8s.io/client-go/tools/record"
"kubevirt.io/kubevirt/pkg/certificates"
cmdv1 "kubevirt.io/kubevirt/pkg/handler-launcher-com/cmd/v1"
virtconfig "kubevirt.io/kubevirt/pkg/virt-config"
notifyserver "kubevirt.io/kubevirt/pkg/virt-handler/notify-server"
notifyclient "kubevirt.io/kubevirt/pkg/virt-launcher/notify-client"
v1 "kubevirt.io/api/core/v1"
"kubevirt.io/client-go/kubecli"
diskutils "kubevirt.io/kubevirt/pkg/ephemeral-disk-utils"
"kubevirt.io/kubevirt/pkg/testutils"
virtcache "kubevirt.io/kubevirt/pkg/virt-handler/cache"
cmdclient "kubevirt.io/kubevirt/pkg/virt-handler/cmd-client"
"kubevirt.io/kubevirt/pkg/virt-handler/isolation"
migrationproxy "kubevirt.io/kubevirt/pkg/virt-handler/migration-proxy"
"kubevirt.io/kubevirt/pkg/virt-launcher/virtwrap/api"
"kubevirt.io/kubevirt/pkg/watchdog"
)
var _ = Describe("VirtualMachineInstance", func() {
var client *cmdclient.MockLauncherClient
var vmiInterface *kubecli.MockVirtualMachineInstanceInterface
var virtClient *kubecli.MockKubevirtClient
var clientTest *fake.Clientset
var ctrl *gomock.Controller
var controller *VirtualMachineController
var vmiSource *framework.FakeControllerSource
var vmiSourceInformer cache.SharedIndexInformer
var vmiTargetInformer cache.SharedIndexInformer
var cpuModelCMInformer cache.SharedIndexInformer
var domainSource *framework.FakeControllerSource
var domainInformer cache.SharedIndexInformer
var mockQueue *testutils.MockWorkQueue
var mockWatchdog *MockWatchdog
var mockIsolationDetector *isolation.MockPodIsolationDetector
var mockIsolationResult *isolation.MockIsolationResult
var mockContainerDiskMounter *container_disk.MockMounter
var mockHotplugVolumeMounter *hotplug_volume.MockVolumeMounter
var mockCgroupManager *cgroup.MockManager
var vmiFeeder *testutils.VirtualMachineFeeder
var domainFeeder *testutils.DomainFeeder
var recorder *record.FakeRecorder
var err error
var shareDir string
var privateDir string
var vmiShareDir string
var podsDir string
var sockFile string
var ghostCacheDir string
var vmiTestUUID types.UID
var podTestUUID types.UID
var stop chan struct{}
var wg *sync.WaitGroup
var eventChan chan watch.Event
var host string
var certDir string
const migratableNetworkBindingPlugin = "mig_plug"
getCgroupManager = func(_ *v1.VirtualMachineInstance) (cgroup.Manager, error) {
return mockCgroupManager, nil
}
BeforeEach(func() {
diskutils.MockDefaultOwnershipManager()
wg = &sync.WaitGroup{}
stop = make(chan struct{})
eventChan = make(chan watch.Event, 100)
shareDir, err = os.MkdirTemp("", "")
Expect(err).ToNot(HaveOccurred())
privateDir, err = os.MkdirTemp("", "")
Expect(err).ToNot(HaveOccurred())
podsDir, err = os.MkdirTemp("", "")
Expect(err).ToNot(HaveOccurred())
certDir, err = os.MkdirTemp("", "migrationproxytest")
Expect(err).ToNot(HaveOccurred())
vmiShareDir, err = os.MkdirTemp("", "")
Expect(err).ToNot(HaveOccurred())
ghostCacheDir, err = os.MkdirTemp("", "")
Expect(err).ToNot(HaveOccurred())
err = virtcache.InitializeGhostRecordCache(ghostCacheDir)
Expect(err).ToNot(HaveOccurred())
os.MkdirAll(filepath.Join(vmiShareDir, "var", "run", "kubevirt"), 0755)
cmdclient.SetLegacyBaseDir(shareDir)
cmdclient.SetPodsBaseDir(podsDir)
store, err := certificates.GenerateSelfSignedCert(certDir, "test", "test")
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
GetCertificate: func(info *tls.ClientHelloInfo) (certificate *tls.Certificate, e error) {
return store.Current()
},
}
Expect(err).ToNot(HaveOccurred())
host = "master"
podIpAddress := "10.10.10.10"
Expect(err).ToNot(HaveOccurred())
vmiSourceInformer, vmiSource = testutils.NewFakeInformerFor(&v1.VirtualMachineInstance{})
vmiTargetInformer, _ = testutils.NewFakeInformerFor(&v1.VirtualMachineInstance{})
cpuModelCMInformer, _ = testutils.NewFakeInformerFor(&k8sv1.ConfigMap{})
domainInformer, domainSource = testutils.NewFakeInformerFor(&api.Domain{})
recorder = record.NewFakeRecorder(100)
recorder.IncludeObject = true
clientTest = fake.NewSimpleClientset()
ctrl = gomock.NewController(GinkgoT())
virtClient = kubecli.NewMockKubevirtClient(ctrl)
virtClient.EXPECT().CoreV1().Return(clientTest.CoreV1()).AnyTimes()
vmiInterface = kubecli.NewMockVirtualMachineInstanceInterface(ctrl)
virtClient.EXPECT().VirtualMachineInstance(metav1.NamespaceDefault).Return(vmiInterface).AnyTimes()
mockWatchdog = &MockWatchdog{shareDir}
kv := &v1.KubeVirtConfiguration{}
kv.NetworkConfiguration = &v1.NetworkConfiguration{Binding: map[string]v1.InterfaceBindingPlugin{
migratableNetworkBindingPlugin: {Migration: &v1.InterfaceBindingMigration{}},
}}
config, _, _ := testutils.NewFakeClusterConfigUsingKVConfig(kv)
Expect(os.MkdirAll(filepath.Join(vmiShareDir, "dev"), 0755)).To(Succeed())
f, err := os.OpenFile(filepath.Join(vmiShareDir, "dev", "kvm"), os.O_CREATE, 0755)
Expect(err).ToNot(HaveOccurred())
f.Close()
mockIsolationResult = isolation.NewMockIsolationResult(ctrl)
mockIsolationResult.EXPECT().Pid().Return(1).AnyTimes()
rootDir, err := safepath.JoinAndResolveWithRelativeRoot(vmiShareDir)
Expect(err).ToNot(HaveOccurred())
mockIsolationResult.EXPECT().MountRoot().Return(rootDir, nil).AnyTimes()
mockIsolationDetector = isolation.NewMockPodIsolationDetector(ctrl)
mockIsolationDetector.EXPECT().Detect(gomock.Any()).Return(mockIsolationResult, nil).AnyTimes()
mockIsolationDetector.EXPECT().AdjustResources(gomock.Any(), gomock.Any()).Return(nil).AnyTimes()
mockContainerDiskMounter = container_disk.NewMockMounter(ctrl)
mockHotplugVolumeMounter = hotplug_volume.NewMockVolumeMounter(ctrl)
mockCgroupManager = cgroup.NewMockManager(ctrl)
migrationProxy := migrationproxy.NewMigrationProxyManager(tlsConfig, tlsConfig, config)
fakeDownwardMetricsManager := newFakeManager()
controller, _ = NewController(recorder,
virtClient,
host,
podIpAddress,
shareDir,
privateDir,
podsDir,
vmiSourceInformer,
vmiTargetInformer,
cpuModelCMInformer,
domainInformer,
1,
10,
config,
mockIsolationDetector,
migrationProxy,
fakeDownwardMetricsManager,
nil,
"",
)
controller.hotplugVolumeMounter = mockHotplugVolumeMounter
controller.virtLauncherFSRunDirPattern = filepath.Join(shareDir, "%d")
controller.netConf = &netConfStub{}
controller.netStat = &netStatStub{}
vmiTestUUID = uuid.NewUUID()
podTestUUID = uuid.NewUUID()
sockFile = cmdclient.SocketFilePathOnHost(string(podTestUUID))
Expect(os.MkdirAll(filepath.Dir(sockFile), 0755)).To(Succeed())
f, err = os.Create(sockFile)
Expect(err).ToNot(HaveOccurred())
f.Close()
mockQueue = testutils.NewMockWorkQueue(controller.Queue)
controller.Queue = mockQueue
vmiFeeder = testutils.NewVirtualMachineFeeder(mockQueue, vmiSource)
domainFeeder = testutils.NewDomainFeeder(mockQueue, domainSource)
wg.Add(4)
go func() { vmiSourceInformer.Run(stop); wg.Done() }()
go func() { vmiTargetInformer.Run(stop); wg.Done() }()
go func() { domainInformer.Run(stop); wg.Done() }()
Expect(cache.WaitForCacheSync(stop, vmiSourceInformer.HasSynced, vmiTargetInformer.HasSynced, domainInformer.HasSynced)).To(BeTrue())
go func() {
notifyserver.RunServer(shareDir, stop, eventChan, nil, nil)
wg.Done()
}()
time.Sleep(1 * time.Second)
client = cmdclient.NewMockLauncherClient(ctrl)
clientInfo := &virtcache.LauncherClientInfo{
Client: client,
SocketFile: sockFile,
DomainPipeStopChan: make(chan struct{}),
Ready: true,
}
controller.addLauncherClient(vmiTestUUID, clientInfo)
})
AfterEach(func() {
close(stop)
wg.Wait()
os.RemoveAll(shareDir)
os.RemoveAll(privateDir)
os.RemoveAll(vmiShareDir)
os.RemoveAll(podsDir)
os.RemoveAll(certDir)
os.RemoveAll(ghostCacheDir)
// Ensure that we add checks for expected events to every test
Expect(recorder.Events).To(BeEmpty())
})
expectEvent := func(substring string, shouldExist bool) {
found := false
done := false
for found == false && done == false {
select {
case event := <-recorder.Events:
if strings.Contains(event, substring) {
found = true
}
default:
done = true
}
}
Expect(found).To(Equal(shouldExist))
}
initGracePeriodHelper := func(gracePeriod int64, vmi *v1.VirtualMachineInstance, dom *api.Domain) {
vmi.Spec.TerminationGracePeriodSeconds = &gracePeriod
dom.Spec.Features = &api.Features{
ACPI: &api.FeatureEnabled{},
}
dom.Spec.Metadata.KubeVirt.GracePeriod = &api.GracePeriodMetadata{}
dom.Spec.Metadata.KubeVirt.GracePeriod.DeletionGracePeriodSeconds = gracePeriod
}
Context("VirtualMachineInstance controller gets informed about a Domain change through the Domain controller", func() {
BeforeEach(func() {
diskutils.MockDefaultOwnershipManager()
})
It("should delete non-running Domains if no cluster wide equivalent and no grace period info exists", func() {
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domainFeeder.Add(domain)
client.EXPECT().Ping()
client.EXPECT().DeleteDomain(v1.NewVMIReferenceWithUUID(metav1.NamespaceDefault, "testvmi", vmiTestUUID))
controller.Execute()
testutils.ExpectEvent(recorder, VMISignalDeletion)
})
It("should delete running Domains if no cluster wide equivalent exists and no grace period info exists", func() {
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domainFeeder.Add(domain)
client.EXPECT().Ping()
client.EXPECT().KillVirtualMachine(v1.NewVMIReferenceWithUUID(metav1.NamespaceDefault, "testvmi", vmiTestUUID))
controller.Execute()
testutils.ExpectEvent(recorder, VMIStopping)
})
It("should handle cleanup of watchdog files", func() {
name := "testvmi"
namespace := "default"
uid := "1234"
legacyMockSockFile := filepath.Join(shareDir, "sockets", uid+"_sock")
clientInfo := &virtcache.LauncherClientInfo{
Client: client,
SocketFile: legacyMockSockFile,
DomainPipeStopChan: make(chan struct{}),
Ready: true,
}
controller.addLauncherClient(types.UID(uid), clientInfo)
err := virtcache.AddGhostRecord(namespace, name, legacyMockSockFile, types.UID(uid))
Expect(err).ToNot(HaveOccurred())
os.MkdirAll(filepath.Dir(legacyMockSockFile), 0755)
os.MkdirAll(filepath.Join(shareDir, "watchdog-files"), 0755)
watchdogFile := filepath.Join(shareDir, "watchdog-files", namespace+"_"+name)
f, err := os.Create(legacyMockSockFile)
Expect(err).ToNot(HaveOccurred())
f.Close()
f, err = os.Create(watchdogFile)
Expect(err).ToNot(HaveOccurred())
_, err = f.WriteString(uid)
Expect(err).ToNot(HaveOccurred())
f.Close()
exists, err := diskutils.FileExists(filepath.Join(shareDir, "sockets"))
Expect(err).ToNot(HaveOccurred())
Expect(exists).To(BeTrue())
mockQueue.Add(namespace + "/" + name)
mockHotplugVolumeMounter.EXPECT().UnmountAll(gomock.Any(), mockCgroupManager).Return(nil)
client.EXPECT().Close()
controller.Execute()
exists, err = diskutils.FileExists(filepath.Join(shareDir, "sockets"))
Expect(err).ToNot(HaveOccurred())
Expect(exists).To(BeTrue())
exists, err = diskutils.FileExists(filepath.Join(shareDir, "watchdog-files"))
Expect(err).ToNot(HaveOccurred())
Expect(exists).To(BeTrue())
exists, err = diskutils.FileExists(legacyMockSockFile)
Expect(err).ToNot(HaveOccurred())
Expect(exists).To(BeFalse())
exists, err = diskutils.FileExists(watchdogFile)
Expect(err).ToNot(HaveOccurred())
Expect(exists).To(BeFalse())
})
It("should not attempt graceful shutdown of Domain if domain is already down.", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.Status.Phase = v1.Running
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Crashed
initGracePeriodHelper(1, vmi, domain)
mockWatchdog.CreateFile(vmi)
client.EXPECT().Ping()
client.EXPECT().DeleteDomain(v1.NewVMIReferenceWithUUID(metav1.NamespaceDefault, "testvmi", vmiTestUUID))
domainFeeder.Add(domain)
controller.Execute()
testutils.ExpectEvent(recorder, VMISignalDeletion)
})
It("should attempt graceful shutdown of Domain if no cluster wide equivalent exists", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
initGracePeriodHelper(1, vmi, domain)
mockWatchdog.CreateFile(vmi)
client.EXPECT().Ping()
client.EXPECT().ShutdownVirtualMachine(v1.NewVMIReferenceWithUUID(metav1.NamespaceDefault, "testvmi", vmiTestUUID))
domainFeeder.Add(domain)
controller.Execute()
testutils.ExpectEvent(recorder, VMIGracefulShutdown)
})
It("should do nothing if vmi and domain do not match", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = "other uuid"
oldVMI := api2.NewMinimalVMI("testvmi")
oldVMI.UID = vmiTestUUID
domain := api.NewMinimalDomainWithUUID("testvmi", oldVMI.UID)
domain.Status.Status = api.Running
initGracePeriodHelper(1, vmi, domain)
mockWatchdog.CreateFile(oldVMI)
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
controller.Execute()
Expect(mockQueue.Len()).To(Equal(0))
Expect(mockQueue.GetRateLimitedEnqueueCount()).To(Equal(0))
_, err := os.Stat(mockWatchdog.File(oldVMI))
Expect(errors.Is(err, os.ErrNotExist)).To(BeFalse())
})
It("should silently retry if the command socket is not yet ready", func() {
vmi := NewScheduledVMI(vmiTestUUID, "notexisingpoduid", host)
// the socket dir must exist, to not go immediately to failed
sockFile = cmdclient.SocketFilePathOnHost("notexisingpoduid")
Expect(os.MkdirAll(filepath.Dir(sockFile), 0755)).To(Succeed())
vmiFeeder.Add(vmi)
vmiInterface.EXPECT().Update(context.Background(), gomock.Any()).Do(func(ctx context.Context, vmi *v1.VirtualMachineInstance) {
Expect(vmi.Status.Phase).To(Equal(v1.Scheduled))
})
//Did not initialize yet
clientInfo := &virtcache.LauncherClientInfo{
DomainPipeStopChan: make(chan struct{}),
Ready: false,
NotInitializedSince: time.Now().Add(-1 * time.Minute),
}
controller.addLauncherClient(vmi.UID, clientInfo)
controller.Execute()
Expect(mockQueue.Len()).To(Equal(0))
Expect(mockQueue.GetRateLimitedEnqueueCount()).To(Equal(0))
Expect(mockQueue.GetAddAfterEnqueueCount()).To(BeNumerically(">", 1))
})
It("should fail if the command socket is not ready after the suppress timeout of three minutes", func() {
vmi := NewScheduledVMI(vmiTestUUID, "notexisingpoduid", host)
// the socket dir must exist, to not go immediately to failed
sockFile = cmdclient.SocketFilePathOnHost("notexisingpoduid")
Expect(os.MkdirAll(filepath.Dir(sockFile), 0755)).To(Succeed())
vmiFeeder.Add(vmi)
vmiInterface.EXPECT().Update(context.Background(), gomock.Any()).Do(func(ctx context.Context, vmi *v1.VirtualMachineInstance) {
Expect(vmi.Status.Phase).To(Equal(v1.Failed))
})
//Did not initialize yet
clientInfo := &virtcache.LauncherClientInfo{
DomainPipeStopChan: make(chan struct{}),
Ready: false,
NotInitializedSince: time.Now().Add(-4 * time.Minute),
}
controller.addLauncherClient(vmi.UID, clientInfo)
controller.Execute()
testutils.ExpectEvent(recorder, VMICrashed)
Expect(mockQueue.Len()).To(Equal(0))
Expect(mockQueue.GetRateLimitedEnqueueCount()).To(Equal(0))
Expect(mockQueue.GetAddAfterEnqueueCount()).To(Equal(0))
})
It("should cleanup if vmi and domain do not match and watchdog is expired", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
oldVMI := api2.NewMinimalVMI("testvmi")
oldVMI.UID = "other uuid"
domain := api.NewMinimalDomainWithUUID("testvmi", "other uuid")
domain.Status.Status = api.Running
initGracePeriodHelper(1, vmi, domain)
mockWatchdog.CreateFile(oldVMI)
// the domain is dead because the watchdog is expired
mockWatchdog.Expire(oldVMI)
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
mockHotplugVolumeMounter.EXPECT().UnmountAll(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
Expect(mockQueue.Len()).To(Equal(0))
Expect(mockQueue.GetRateLimitedEnqueueCount()).To(Equal(0))
_, err := os.Stat(mockWatchdog.File(oldVMI))
Expect(errors.Is(err, os.ErrNotExist)).To(BeTrue())
})
It("should cleanup if vmi is finalized and domain does not exist", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.Status.Phase = v1.Succeeded
mockWatchdog.CreateFile(vmi)
vmiFeeder.Add(vmi)
mockHotplugVolumeMounter.EXPECT().UnmountAll(gomock.Any(), mockCgroupManager).Return(nil)
client.EXPECT().Close()
controller.Execute()
Expect(mockQueue.Len()).To(Equal(0))
Expect(mockQueue.GetRateLimitedEnqueueCount()).To(Equal(0))
_, err := os.Stat(mockWatchdog.File(vmi))
Expect(errors.Is(err, os.ErrNotExist)).To(BeTrue())
})
It("should do final cleanup if vmi is being deleted and not finalized", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.Status.Phase = v1.Scheduled
now := metav1.Time{Time: time.Now()}
vmi.DeletionTimestamp = &now
vmi.Status.MigrationMethod = v1.LiveMigration
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
mockWatchdog.CreateFile(vmi)
vmiFeeder.Add(vmi)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any())
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
testutils.ExpectEvent(recorder, VMIDefined)
Expect(mockQueue.Len()).To(Equal(0))
Expect(mockQueue.GetRateLimitedEnqueueCount()).To(Equal(0))
_, err := os.Stat(mockWatchdog.File(vmi))
Expect(errors.Is(err, os.ErrNotExist)).To(BeFalse())
})
It("should attempt force terminate Domain if grace period expires", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
initGracePeriodHelper(1, vmi, domain)
metav1.Now()
now := metav1.Time{Time: time.Unix(time.Now().UTC().Unix()-3, 0)}
domain.Spec.Metadata.KubeVirt.GracePeriod.DeletionTimestamp = &now
mockWatchdog.CreateFile(vmi)
client.EXPECT().Ping()
client.EXPECT().KillVirtualMachine(v1.NewVMIReferenceWithUUID(metav1.NamespaceDefault, "testvmi", vmiTestUUID))
domainFeeder.Add(domain)
controller.Execute()
testutils.ExpectEvent(recorder, VMIStopping)
})
It("should immediately kill domain with grace period of 0", func() {
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
initGracePeriodHelper(0, vmi, domain)
mockWatchdog.CreateFile(vmi)
client.EXPECT().Ping()
client.EXPECT().KillVirtualMachine(v1.NewVMIReferenceWithUUID(metav1.NamespaceDefault, "testvmi", vmiTestUUID))
domainFeeder.Add(domain)
controller.Execute()
testutils.ExpectEvent(recorder, VMIStopping)
})
It("should re-enqueue if the Key is unparseable", func() {
Expect(mockQueue.Len()).Should(Equal(0))
mockQueue.Add("a/b/c/d/e")
controller.Execute()
Expect(mockQueue.NumRequeues("a/b/c/d/e")).To(Equal(1))
})
It("should create the Domain if it sees the first time on a new VirtualMachineInstance", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Scheduled
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
vmi = addActivePods(vmi, podTestUUID, host)
mockWatchdog.CreateFile(vmi)
vmiFeeder.Add(vmi)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any()).Do(func(vmi *v1.VirtualMachineInstance, options *cmdv1.VirtualMachineOptions) {
Expect(options.VirtualMachineSMBios.Family).To(Equal(virtconfig.SmbiosConfigDefaultFamily))
Expect(options.VirtualMachineSMBios.Product).To(Equal(virtconfig.SmbiosConfigDefaultProduct))
Expect(options.VirtualMachineSMBios.Manufacturer).To(Equal(virtconfig.SmbiosConfigDefaultManufacturer))
})
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
testutils.ExpectEvent(recorder, VMIDefined)
})
It("should update the qemu machine type on the VMI status", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi = addActivePods(vmi, podTestUUID, host)
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domain.Spec.OS.Type.Machine = "q35-123"
updatedVMI := vmi.DeepCopy()
updatedVMI.Status.Machine = &v1.Machine{Type: "q35-123"}
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any()).Do(func(vmi *v1.VirtualMachineInstance, options *cmdv1.VirtualMachineOptions) {
Expect(options.VirtualMachineSMBios.Family).To(Equal(virtconfig.SmbiosConfigDefaultFamily))
Expect(options.VirtualMachineSMBios.Product).To(Equal(virtconfig.SmbiosConfigDefaultProduct))
Expect(options.VirtualMachineSMBios.Manufacturer).To(Equal(virtconfig.SmbiosConfigDefaultManufacturer))
})
vmiInterface.EXPECT().Update(context.Background(), gomock.Any()).DoAndReturn(func(_ context.Context, obj interface{}) (*v1.VirtualMachineInstance, error) {
vmi := obj.(*v1.VirtualMachineInstance)
Expect(vmi.Status.Machine).To(Equal(updatedVMI.Status.Machine))
return vmi, nil
})
mockHotplugVolumeMounter.EXPECT().Unmount(gomock.Any(), mockCgroupManager).Return(nil)
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
})
It("should update from Scheduled to Running, if it sees a running Domain", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Scheduled
vmi = addActivePods(vmi, podTestUUID, host)
updatedVMI := vmi.DeepCopy()
updatedVMI.Status.Phase = v1.Running
updatedVMI.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
updatedVMI.Status.MigrationMethod = v1.LiveMigration
updatedVMI.Status.Interfaces = make([]v1.VirtualMachineInstanceNetworkInterface, 0)
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
vmiInterface.EXPECT().Update(context.Background(), gomock.Any()).DoAndReturn(func(ctx context.Context, obj interface{}) (*v1.VirtualMachineInstance, error) {
vmi := obj.(*v1.VirtualMachineInstance)
Expect(vmi.Status.PhaseTransitionTimestamps).ToNot(BeEmpty())
updatedVMI.Status.PhaseTransitionTimestamps = vmi.Status.PhaseTransitionTimestamps
Expect(vmi).To(Equal(updatedVMI))
return vmi, nil
})
node := &k8sv1.Node{
Status: k8sv1.NodeStatus{
Addresses: []k8sv1.NodeAddress{
{
Type: k8sv1.NodeInternalIP,
Address: "127.0.0.1",
},
},
},
}
fakeClient := fake.NewSimpleClientset(node).CoreV1()
virtClient.EXPECT().CoreV1().Return(fakeClient).AnyTimes()
controller.Execute()
testutils.ExpectEvent(recorder, VMIStarted)
})
It("should add guest agent condition when sees the channel connected", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi = addActivePods(vmi, podTestUUID, host)
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domain.Spec.Devices.Channels = []api.Channel{
{
Type: "unix",
Target: &api.ChannelTarget{
Name: "org.qemu.guest_agent.0",
State: "connected",
},
},
}
updatedVMI := vmi.DeepCopy()
updatedVMI.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceAgentConnected,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceUnsupportedAgent,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
}
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any()).Do(func(vmi *v1.VirtualMachineInstance, options *cmdv1.VirtualMachineOptions) {
Expect(options.VirtualMachineSMBios.Family).To(Equal(virtconfig.SmbiosConfigDefaultFamily))
Expect(options.VirtualMachineSMBios.Product).To(Equal(virtconfig.SmbiosConfigDefaultProduct))
Expect(options.VirtualMachineSMBios.Manufacturer).To(Equal(virtconfig.SmbiosConfigDefaultManufacturer))
})
vmiInterface.EXPECT().Update(context.Background(), NewVMICondMatcher(*updatedVMI))
client.EXPECT().GetGuestInfo().Return(&v1.VirtualMachineInstanceGuestAgentInfo{}, nil)
mockHotplugVolumeMounter.EXPECT().Unmount(gomock.Any(), mockCgroupManager).Return(nil)
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
})
It("should maintain unsupported user agent condition when it's already set", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi = addActivePods(vmi, podTestUUID, host)
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceAgentConnected,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceUnsupportedAgent,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
}
vmi.Status.Interfaces = make([]v1.VirtualMachineInstanceNetworkInterface, 0)
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domain.Spec.Devices.Channels = []api.Channel{
{
Type: "unix",
Target: &api.ChannelTarget{
Name: "org.qemu.guest_agent.0",
State: "connected",
},
},
}
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any()).Do(func(vmi *v1.VirtualMachineInstance, options *cmdv1.VirtualMachineOptions) {
Expect(options.VirtualMachineSMBios.Family).To(Equal(virtconfig.SmbiosConfigDefaultFamily))
Expect(options.VirtualMachineSMBios.Product).To(Equal(virtconfig.SmbiosConfigDefaultProduct))
Expect(options.VirtualMachineSMBios.Manufacturer).To(Equal(virtconfig.SmbiosConfigDefaultManufacturer))
})
client.EXPECT().GetGuestInfo().Return(&v1.VirtualMachineInstanceGuestAgentInfo{}, nil)
mockHotplugVolumeMounter.EXPECT().Unmount(gomock.Any(), mockCgroupManager).Return(nil)
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
})
It("should remove guest agent condition when there is no channel connected", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceAgentConnected,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
vmi = addActivePods(vmi, podTestUUID, host)
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domain.Spec.Devices.Channels = []api.Channel{
{
Type: "unix",
Target: &api.ChannelTarget{
Name: "org.qemu.guest_agent.0",
State: "disconnected",
},
},
}
updatedVMI := vmi.DeepCopy()
updatedVMI.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any()).Do(func(vmi *v1.VirtualMachineInstance, options *cmdv1.VirtualMachineOptions) {
Expect(options.VirtualMachineSMBios.Family).To(Equal(virtconfig.SmbiosConfigDefaultFamily))
Expect(options.VirtualMachineSMBios.Product).To(Equal(virtconfig.SmbiosConfigDefaultProduct))
Expect(options.VirtualMachineSMBios.Manufacturer).To(Equal(virtconfig.SmbiosConfigDefaultManufacturer))
})
vmiInterface.EXPECT().Update(context.Background(), NewVMICondMatcher(*updatedVMI))
mockHotplugVolumeMounter.EXPECT().Unmount(gomock.Any(), mockCgroupManager).Return(nil)
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
})
It("should add access credential synced condition when credentials report success", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi = addActivePods(vmi, podTestUUID, host)
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domain.Spec.Metadata.KubeVirt.AccessCredential = &api.AccessCredentialMetadata{
Succeeded: true,
Message: "",
}
updatedVMI := vmi.DeepCopy()
updatedVMI.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceAccessCredentialsSynchronized,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any())
vmiInterface.EXPECT().Update(context.Background(), NewVMICondMatcher(*updatedVMI))
mockHotplugVolumeMounter.EXPECT().Unmount(gomock.Any(), mockCgroupManager).Return(nil)
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
expectEvent(string(v1.AccessCredentialsSyncSuccess), true)
})
It("should do nothing if access credential condition already exists", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi = addActivePods(vmi, podTestUUID, host)
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceAccessCredentialsSynchronized,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceIsMigratable,
Status: k8sv1.ConditionTrue,
},
}
mockWatchdog.CreateFile(vmi)
domain := api.NewMinimalDomainWithUUID("testvmi", vmiTestUUID)
domain.Status.Status = api.Running
domain.Spec.Metadata.KubeVirt.AccessCredential = &api.AccessCredentialMetadata{
Succeeded: true,
Message: "",
}
vmiFeeder.Add(vmi)
domainFeeder.Add(domain)
client.EXPECT().SyncVirtualMachine(vmi, gomock.Any())
mockHotplugVolumeMounter.EXPECT().Unmount(gomock.Any(), mockCgroupManager).Return(nil)
mockHotplugVolumeMounter.EXPECT().Mount(gomock.Any(), mockCgroupManager).Return(nil)
controller.Execute()
// should not make another event entry unless something changes
expectEvent(string(v1.AccessCredentialsSyncSuccess), false)
})
It("should update access credential condition if agent disconnects", func() {
vmi := api2.NewMinimalVMI("testvmi")
vmi.UID = vmiTestUUID
vmi.ObjectMeta.ResourceVersion = "1"
vmi.Status.Phase = v1.Running
vmi = addActivePods(vmi, podTestUUID, host)
vmi.Status.Conditions = []v1.VirtualMachineInstanceCondition{
{
Type: v1.VirtualMachineInstanceAccessCredentialsSynchronized,
LastProbeTime: metav1.Now(),
Status: k8sv1.ConditionTrue,
},
{
Type: v1.VirtualMachineInstanceIsMigratable,