mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-09-28 02:44:19 +00:00
74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
/*
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Copyright The Velero Contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package block
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import (
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"context"
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"os"
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"github.com/cockroachdb/errors"
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"github.com/sirupsen/logrus"
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"github.com/vmware-tanzu/velero/pkg/repository/udmrepo"
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"github.com/vmware-tanzu/velero/pkg/uploader"
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cbt "github.com/vmware-tanzu/velero/pkg/uploader/cbt/types"
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)
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var ErrCanceled = errors.New("uploader is canceled")
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const (
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blockSize = (1 << 20)
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)
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type sourceInfo struct {
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dev *os.File
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realSource string
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size int64
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}
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type destInfo struct {
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dev *os.File
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path string
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}
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type Uploader interface {
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Backup(sourceInfo, udmrepo.ID, cbt.Iterator, map[string]string) (udmrepo.Snapshot, int64, error)
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Restore(udmrepo.Snapshot, destInfo, cbt.Iterator, map[string]string) (int64, error)
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}
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// implement in following PRs
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func NewUploader(ctx context.Context, repoWriter udmrepo.BackupRepo, progress uploader.ProgressUpdater, log logrus.FieldLogger) Uploader {
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return nil
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}
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func loadObjectFromSnapshot(ctx context.Context, rep udmrepo.BackupRepo, snapshot *udmrepo.Snapshot) (udmrepo.ID, error) {
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if snapshot == nil {
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return "", errors.New("snapshot is empty")
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}
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meta, err := rep.ReadMetadata(ctx, snapshot.RootObject.ID)
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if err != nil {
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return "", errors.Wrapf(err, "error reading snapshot metadata for %s", snapshot.Description)
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}
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if len(meta.SubObjects) != 1 {
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return "", errors.Errorf("unexpected number of bdev object (%d) for snapshot %s", len(meta.SubObjects), snapshot.Description)
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}
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return meta.SubObjects[0].ID, nil
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}
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