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add object metadata to notification events

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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2023-08-12 18:51:47 +02:00
parent 8ab4a9aa70
commit f03fdd1155
32 changed files with 276 additions and 105 deletions
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13
internal/vfs/azblobfs.go
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@@ -206,24 +206,25 @@ func (fs *AzureBlobFs) Lstat(name string) (os.FileInfo, error) {
}
// Open opens the named file for reading
func (fs *AzureBlobFs) Open(name string, offset int64) (File, *pipeat.PipeReaderAt, func(), error) {
func (fs *AzureBlobFs) Open(name string, offset int64) (File, *PipeReader, func(), error) {
r, w, err := pipeat.PipeInDir(fs.localTempDir)
if err != nil {
return nil, nil, nil, err
}
p := NewPipeReader(r)
ctx, cancelFn := context.WithCancel(context.Background())
go func() {
defer cancelFn()
blockBlob := fs.containerClient.NewBlockBlobClient(name)
err := fs.handleMultipartDownload(ctx, blockBlob, offset, w)
err := fs.handleMultipartDownload(ctx, blockBlob, offset, w, p)
w.CloseWithError(err) //nolint:errcheck
fsLog(fs, logger.LevelDebug, "download completed, path: %q size: %v, err: %+v", name, w.GetWrittenBytes(), err)
metric.AZTransferCompleted(w.GetWrittenBytes(), 1, err)
}()
return nil, r, cancelFn, nil
return nil, p, cancelFn, nil
}
// Create creates or opens the named file for writing
@@ -960,13 +961,17 @@ func (fs *AzureBlobFs) downloadPart(ctx context.Context, blockBlob *blockblob.Cl
}
func (fs *AzureBlobFs) handleMultipartDownload(ctx context.Context, blockBlob *blockblob.Client,
offset int64, writer io.WriterAt,
offset int64, writer io.WriterAt, pipeReader *PipeReader,
) error {
props, err := blockBlob.GetProperties(ctx, &blob.GetPropertiesOptions{})
metric.AZHeadObjectCompleted(err)
if err != nil {
fsLog(fs, logger.LevelError, "unable to get blob properties, download aborted: %+v", err)
return err
}
if readMetadata > 0 {
pipeReader.setMetadataFromPointerVal(props.Metadata)
}
contentLength := util.GetIntFromPointer(props.ContentLength)
sizeToDownload := contentLength - offset
if sizeToDownload < 0 {