/
backup_object.go
63 lines (53 loc) · 1.74 KB
/
backup_object.go
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package greenplum
import (
"github.com/apecloud/dataprotection-wal-g/internal"
"github.com/apecloud/dataprotection-wal-g/pkg/storages/storage"
"github.com/apecloud/dataprotection-wal-g/utility"
)
func newBackupObject(incrementBase, incrementFrom string,
isFullBackup bool, object storage.Object) BackupObject {
return BackupObject{
BackupObject: internal.NewDefaultBackupObject(object),
isFullBackup: isFullBackup,
baseBackupName: incrementBase,
incrementFromName: incrementFrom,
}
}
type BackupObject struct {
internal.BackupObject
isFullBackup bool
baseBackupName string
incrementFromName string
}
func (o BackupObject) IsFullBackup() bool {
return o.isFullBackup
}
func (o BackupObject) GetBaseBackupName() string {
return o.baseBackupName
}
func (o BackupObject) GetIncrementFromName() string {
return o.incrementFromName
}
func makeBackupObjects(folder storage.Folder, objects []storage.Object) ([]internal.BackupObject, error) {
backupObjects := make([]internal.BackupObject, 0, len(objects))
for _, object := range objects {
incrementBase, incrementFrom, isFullBackup, err := getIncrementInfo(folder, object)
if err != nil {
return nil, err
}
gpBackup := newBackupObject(incrementBase, incrementFrom, isFullBackup, object)
backupObjects = append(backupObjects, gpBackup)
}
return backupObjects, nil
}
func getIncrementInfo(folder storage.Folder, object storage.Object) (string, string, bool, error) {
backup := NewBackup(folder, utility.StripRightmostBackupName(object.GetName()))
sentinel, err := backup.GetSentinel()
if err != nil {
return "", "", true, err
}
if !sentinel.IsIncremental() {
return "", "", true, nil
}
return *sentinel.IncrementFullName, *sentinel.IncrementFrom, false, nil
}