DownloadAllFiles downloads all files from a bucket and writes them to a tar writer.
(bucketName string, tarWriter *instancewriter.InstanceTarWriter)
| 42 | |
| 43 | // DownloadAllFiles downloads all files from a bucket and writes them to a tar writer. |
| 44 | func (t TransferManager) DownloadAllFiles(bucketName string, tarWriter *instancewriter.InstanceTarWriter) error { |
| 45 | logger.Debugf("Downloading all files from bucket %s", bucketName) |
| 46 | logger.Debugf("Endpoint: %s", t.getEndpoint()) |
| 47 | |
| 48 | s3Client, err := t.getS3Client() |
| 49 | if err != nil { |
| 50 | return err |
| 51 | } |
| 52 | |
| 53 | ctx, cancel := context.WithCancel(context.TODO()) |
| 54 | defer cancel() |
| 55 | |
| 56 | paginator := s3.NewListObjectsV2Paginator(s3Client, &s3.ListObjectsV2Input{ |
| 57 | Bucket: aws.String(bucketName), |
| 58 | }) |
| 59 | |
| 60 | for paginator.HasMorePages() { |
| 61 | page, err := paginator.NextPage(ctx) |
| 62 | if err != nil { |
| 63 | logger.Errorf("Failed to list objects: %v", err) |
| 64 | return err |
| 65 | } |
| 66 | |
| 67 | for _, obj := range page.Contents { |
| 68 | key := aws.ToString(obj.Key) |
| 69 | |
| 70 | // Skip directories because they are part of the key of an actual file |
| 71 | if strings.HasSuffix(key, "/") { |
| 72 | continue |
| 73 | } |
| 74 | |
| 75 | out, err := s3Client.GetObject(ctx, &s3.GetObjectInput{ |
| 76 | Bucket: aws.String(bucketName), |
| 77 | Key: aws.String(key), |
| 78 | }) |
| 79 | if err != nil { |
| 80 | logger.Errorf("Failed to get object: %v", err) |
| 81 | return err |
| 82 | } |
| 83 | |
| 84 | fi := instancewriter.FileInfo{ |
| 85 | FileName: fmt.Sprintf("backup/bucket/%s", key), |
| 86 | FileSize: aws.ToInt64(obj.Size), |
| 87 | FileMode: 0o600, |
| 88 | FileModTime: time.Now(), |
| 89 | } |
| 90 | |
| 91 | logger.Debugf("Writing file %s to tar writer", key) |
| 92 | logger.Debugf("File size: %d", fi.FileSize) |
| 93 | |
| 94 | err = tarWriter.WriteFileFromReader(out.Body, &fi) |
| 95 | if err != nil { |
| 96 | logger.Errorf("Failed to write file to tar writer: %v", err) |
| 97 | _ = out.Body.Close() |
| 98 | return err |
| 99 | } |
| 100 | |
| 101 | err = out.Body.Close() |
no test coverage detected