315 lines
9.3 KiB
Go
315 lines
9.3 KiB
Go
/*
|
|
Copyright The Velero Contributors.
|
|
|
|
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.
|
|
*/
|
|
|
|
package datamover
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"time"
|
|
|
|
"github.com/pkg/errors"
|
|
"github.com/sirupsen/logrus"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/client-go/kubernetes"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
|
|
cachetool "k8s.io/client-go/tools/cache"
|
|
"sigs.k8s.io/controller-runtime/pkg/cache"
|
|
|
|
"github.com/vmware-tanzu/velero/internal/credentials"
|
|
velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
|
|
velerov2alpha1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v2alpha1"
|
|
"github.com/vmware-tanzu/velero/pkg/datapath"
|
|
"github.com/vmware-tanzu/velero/pkg/repository"
|
|
"github.com/vmware-tanzu/velero/pkg/uploader"
|
|
"github.com/vmware-tanzu/velero/pkg/util/kube"
|
|
|
|
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
|
)
|
|
|
|
const (
|
|
dataUploadDownloadRequestor = "snapshot-data-upload-download"
|
|
)
|
|
|
|
// BackupMicroService process data mover backups inside the backup pod
|
|
type BackupMicroService struct {
|
|
ctx context.Context
|
|
client client.Client
|
|
kubeClient kubernetes.Interface
|
|
repoEnsurer *repository.Ensurer
|
|
credentialGetter *credentials.CredentialGetter
|
|
logger logrus.FieldLogger
|
|
dataPathMgr *datapath.Manager
|
|
eventRecorder kube.EventRecorder
|
|
|
|
namespace string
|
|
dataUploadName string
|
|
dataUpload *velerov2alpha1api.DataUpload
|
|
sourceTargetPath datapath.AccessPoint
|
|
|
|
resultSignal chan dataPathResult
|
|
|
|
duInformer cache.Informer
|
|
duHandler cachetool.ResourceEventHandlerRegistration
|
|
nodeName string
|
|
}
|
|
|
|
type dataPathResult struct {
|
|
err error
|
|
result string
|
|
}
|
|
|
|
func NewBackupMicroService(ctx context.Context, client client.Client, kubeClient kubernetes.Interface, dataUploadName string, namespace string, nodeName string,
|
|
sourceTargetPath datapath.AccessPoint, dataPathMgr *datapath.Manager, repoEnsurer *repository.Ensurer, cred *credentials.CredentialGetter,
|
|
duInformer cache.Informer, log logrus.FieldLogger) *BackupMicroService {
|
|
return &BackupMicroService{
|
|
ctx: ctx,
|
|
client: client,
|
|
kubeClient: kubeClient,
|
|
credentialGetter: cred,
|
|
logger: log,
|
|
repoEnsurer: repoEnsurer,
|
|
dataPathMgr: dataPathMgr,
|
|
namespace: namespace,
|
|
dataUploadName: dataUploadName,
|
|
sourceTargetPath: sourceTargetPath,
|
|
nodeName: nodeName,
|
|
resultSignal: make(chan dataPathResult),
|
|
duInformer: duInformer,
|
|
}
|
|
}
|
|
|
|
func (r *BackupMicroService) Init() error {
|
|
r.eventRecorder = kube.NewEventRecorder(r.kubeClient, r.client.Scheme(), r.dataUploadName, r.nodeName)
|
|
|
|
handler, err := r.duInformer.AddEventHandler(
|
|
cachetool.ResourceEventHandlerFuncs{
|
|
UpdateFunc: func(oldObj interface{}, newObj interface{}) {
|
|
oldDu := oldObj.(*velerov2alpha1api.DataUpload)
|
|
newDu := newObj.(*velerov2alpha1api.DataUpload)
|
|
|
|
if newDu.Name != r.dataUploadName {
|
|
return
|
|
}
|
|
|
|
if newDu.Status.Phase != velerov2alpha1api.DataUploadPhaseInProgress {
|
|
return
|
|
}
|
|
|
|
if newDu.Spec.Cancel && !oldDu.Spec.Cancel {
|
|
r.cancelDataUpload(newDu)
|
|
}
|
|
},
|
|
},
|
|
)
|
|
|
|
if err != nil {
|
|
return errors.Wrap(err, "error adding du handler")
|
|
}
|
|
|
|
r.duHandler = handler
|
|
|
|
return err
|
|
}
|
|
|
|
func (r *BackupMicroService) RunCancelableDataPath(ctx context.Context) (string, error) {
|
|
log := r.logger.WithFields(logrus.Fields{
|
|
"dataupload": r.dataUploadName,
|
|
})
|
|
|
|
du := &velerov2alpha1api.DataUpload{}
|
|
err := wait.PollUntilContextCancel(ctx, 500*time.Millisecond, true, func(ctx context.Context) (bool, error) {
|
|
err := r.client.Get(ctx, types.NamespacedName{
|
|
Namespace: r.namespace,
|
|
Name: r.dataUploadName,
|
|
}, du)
|
|
|
|
if apierrors.IsNotFound(err) {
|
|
return false, nil
|
|
}
|
|
|
|
if err != nil {
|
|
return true, errors.Wrapf(err, "error to get du %s", r.dataUploadName)
|
|
}
|
|
|
|
if du.Status.Phase == velerov2alpha1api.DataUploadPhaseInProgress {
|
|
return true, nil
|
|
} else {
|
|
return false, nil
|
|
}
|
|
})
|
|
|
|
if err != nil {
|
|
log.WithError(err).Error("Failed to wait du")
|
|
return "", errors.Wrap(err, "error waiting for du")
|
|
}
|
|
|
|
r.dataUpload = du
|
|
|
|
log.Info("Run cancelable dataUpload")
|
|
|
|
callbacks := datapath.Callbacks{
|
|
OnCompleted: r.OnDataUploadCompleted,
|
|
OnFailed: r.OnDataUploadFailed,
|
|
OnCancelled: r.OnDataUploadCancelled,
|
|
OnProgress: r.OnDataUploadProgress,
|
|
}
|
|
|
|
fsBackup, err := r.dataPathMgr.CreateFileSystemBR(du.Name, dataUploadDownloadRequestor, ctx, r.client, du.Namespace, callbacks, log)
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "error to create data path")
|
|
}
|
|
|
|
log.Debug("Async fs br created")
|
|
|
|
if err := fsBackup.Init(ctx, &datapath.FSBRInitParam{
|
|
BSLName: du.Spec.BackupStorageLocation,
|
|
SourceNamespace: du.Spec.SourceNamespace,
|
|
UploaderType: GetUploaderType(du.Spec.DataMover),
|
|
RepositoryType: velerov1api.BackupRepositoryTypeKopia,
|
|
RepoIdentifier: "",
|
|
RepositoryEnsurer: r.repoEnsurer,
|
|
CredentialGetter: r.credentialGetter,
|
|
}); err != nil {
|
|
return "", errors.Wrap(err, "error to initialize data path")
|
|
}
|
|
|
|
log.Info("Async fs br init")
|
|
|
|
tags := map[string]string{
|
|
velerov1api.AsyncOperationIDLabel: du.Labels[velerov1api.AsyncOperationIDLabel],
|
|
}
|
|
|
|
if err := fsBackup.StartBackup(r.sourceTargetPath, du.Spec.DataMoverConfig, &datapath.FSBRStartParam{
|
|
RealSource: GetRealSource(du.Spec.SourceNamespace, du.Spec.SourcePVC),
|
|
ParentSnapshot: "",
|
|
ForceFull: false,
|
|
Tags: tags,
|
|
}); err != nil {
|
|
return "", errors.Wrap(err, "error starting data path backup")
|
|
}
|
|
|
|
log.Info("Async fs backup data path started")
|
|
r.eventRecorder.Event(du, false, datapath.EventReasonStarted, "Data path for %s started", du.Name)
|
|
|
|
result := ""
|
|
select {
|
|
case <-ctx.Done():
|
|
err = errors.New("timed out waiting for fs backup to complete")
|
|
break
|
|
case res := <-r.resultSignal:
|
|
err = res.err
|
|
result = res.result
|
|
break
|
|
}
|
|
|
|
if err != nil {
|
|
log.WithError(err).Error("Async fs backup was not completed")
|
|
}
|
|
|
|
return result, err
|
|
}
|
|
|
|
func (r *BackupMicroService) Shutdown() {
|
|
r.eventRecorder.Shutdown()
|
|
r.closeDataPath(r.ctx, r.dataUploadName)
|
|
|
|
if r.duHandler != nil {
|
|
if err := r.duInformer.RemoveEventHandler(r.duHandler); err != nil {
|
|
r.logger.WithError(err).Warn("Failed to remove pod handler")
|
|
}
|
|
}
|
|
}
|
|
|
|
var funcMarshal = json.Marshal
|
|
|
|
func (r *BackupMicroService) OnDataUploadCompleted(ctx context.Context, namespace string, duName string, result datapath.Result) {
|
|
log := r.logger.WithField("dataupload", duName)
|
|
|
|
backupBytes, err := funcMarshal(result.Backup)
|
|
if err != nil {
|
|
log.WithError(err).Errorf("Failed to marshal backup result %v", result.Backup)
|
|
r.resultSignal <- dataPathResult{
|
|
err: errors.Wrapf(err, "Failed to marshal backup result %v", result.Backup),
|
|
}
|
|
} else {
|
|
r.eventRecorder.Event(r.dataUpload, false, datapath.EventReasonCompleted, string(backupBytes))
|
|
r.resultSignal <- dataPathResult{
|
|
result: string(backupBytes),
|
|
}
|
|
}
|
|
|
|
log.Info("Async fs backup completed")
|
|
}
|
|
|
|
func (r *BackupMicroService) OnDataUploadFailed(ctx context.Context, namespace string, duName string, err error) {
|
|
log := r.logger.WithField("dataupload", duName)
|
|
log.WithError(err).Error("Async fs backup data path failed")
|
|
|
|
r.eventRecorder.Event(r.dataUpload, false, datapath.EventReasonFailed, "Data path for data upload %s failed, error %v", r.dataUploadName, err)
|
|
r.resultSignal <- dataPathResult{
|
|
err: errors.Wrapf(err, "Data path for data upload %s failed", r.dataUploadName),
|
|
}
|
|
}
|
|
|
|
func (r *BackupMicroService) OnDataUploadCancelled(ctx context.Context, namespace string, duName string) {
|
|
log := r.logger.WithField("dataupload", duName)
|
|
log.Warn("Async fs backup data path canceled")
|
|
|
|
r.eventRecorder.Event(r.dataUpload, false, datapath.EventReasonCancelled, "Data path for data upload %s canceled", duName)
|
|
r.resultSignal <- dataPathResult{
|
|
err: errors.New(datapath.ErrCancelled),
|
|
}
|
|
}
|
|
|
|
func (r *BackupMicroService) OnDataUploadProgress(ctx context.Context, namespace string, duName string, progress *uploader.Progress) {
|
|
log := r.logger.WithFields(logrus.Fields{
|
|
"dataupload": duName,
|
|
})
|
|
|
|
progressBytes, err := funcMarshal(progress)
|
|
if err != nil {
|
|
log.WithError(err).Errorf("Failed to marshal progress %v", progress)
|
|
return
|
|
}
|
|
|
|
r.eventRecorder.Event(r.dataUpload, false, datapath.EventReasonProgress, string(progressBytes))
|
|
}
|
|
|
|
func (r *BackupMicroService) closeDataPath(ctx context.Context, duName string) {
|
|
fsBackup := r.dataPathMgr.GetAsyncBR(duName)
|
|
if fsBackup != nil {
|
|
fsBackup.Close(ctx)
|
|
}
|
|
|
|
r.dataPathMgr.RemoveAsyncBR(duName)
|
|
}
|
|
|
|
func (r *BackupMicroService) cancelDataUpload(du *velerov2alpha1api.DataUpload) {
|
|
r.logger.WithField("DataUpload", du.Name).Info("Data upload is being canceled")
|
|
|
|
r.eventRecorder.Event(du, false, datapath.EventReasonCancelling, "Canceling for data upload %s", du.Name)
|
|
|
|
fsBackup := r.dataPathMgr.GetAsyncBR(du.Name)
|
|
if fsBackup == nil {
|
|
r.OnDataUploadCancelled(r.ctx, du.GetNamespace(), du.GetName())
|
|
} else {
|
|
fsBackup.Cancel()
|
|
}
|
|
}
|