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https://github.com/offen/docker-volume-backup.git
synced 2024-11-10 00:30:29 +01:00
Allow changing backup ownership
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parent
5a6ce81b58
commit
1b744d4c1c
@ -105,6 +105,8 @@ type config struct {
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BackupPruningPrefix string `split_words:"true"`
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BackupStopContainerLabel string `split_words:"true" default:"true"`
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BackupFromSnapshot bool `split_words:"true"`
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BackupUID int `split_words:"true" default:"-1"`
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BackupGID int `split_words:"true" default:"-1"`
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AwsS3BucketName string `split_words:"true"`
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AwsEndpoint string `split_words:"true" default:"s3.amazonaws.com"`
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AwsEndpointProto string `split_words:"true" default:"https"`
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@ -442,10 +444,14 @@ func (s *script) copyBackup() error {
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}
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if _, err := os.Stat(s.c.BackupArchive); !os.IsNotExist(err) {
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if err := os.Chown(s.file, s.c.BackupUID, s.c.BackupGID); err != nil {
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return fmt.Errorf("copyBackup: error changing owner on temp file: %w", err)
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}
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if err := copyFile(s.file, path.Join(s.c.BackupArchive, name)); err != nil {
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return fmt.Errorf("copyBackup: error copying file to local archive: %w", err)
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}
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s.logger.Infof("Stored copy of backup `%s` in local archive `%s`.", s.file, s.c.BackupArchive)
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if s.c.BackupLatestSymlink != "" {
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symlink := path.Join(s.c.BackupArchive, s.c.BackupLatestSymlink)
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if _, err := os.Lstat(symlink); err == nil {
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@ -683,19 +689,19 @@ func lock(lockfile string) func() error {
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func copyFile(src, dst string) error {
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in, err := os.Open(src)
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if err != nil {
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return err
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return fmt.Errorf("copyFile: error opening source file: %w", err)
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}
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defer in.Close()
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out, err := os.Create(dst)
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if err != nil {
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return err
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return fmt.Errorf("copyFile: error creating destination: %w", err)
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}
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_, err = io.Copy(out, in)
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if err != nil {
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out.Close()
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return err
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return fmt.Errorf("copyFile: error copying: %w", err)
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}
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return out.Close()
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}
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@ -30,6 +30,8 @@ services:
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BACKUP_PRUNING_LEEWAY: 5s
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BACKUP_PRUNING_PREFIX: test
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GPG_PASSPHRASE: 1234secret
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BACKUP_UID: '1000'
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BACKUP_GID: '1000'
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volumes:
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- ./local:/archive
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- app_data:/backup/app_data:ro
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