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azureblob: factor readMetaData into readMetaDataAlways returning blob properties

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This commit is contained in:
Nick Craig-Wood 2024-12-21 11:46:33 +00:00
parent 9dff45563d
commit 7fd7fe3c82
1 changed files with 29 additions and 11 deletions
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40
backend/azureblob/azureblob.go
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@ -1897,24 +1897,46 @@ func (o *Object) clearMetaData() {
}
// readMetaData gets the metadata if it hasn't already been fetched
func (f *Fs) readMetaData(ctx context.Context, container, containerPath string) (blobProperties blob.GetPropertiesResponse, err error) {
func (f *Fs) readMetaData(ctx context.Context, container, containerPath string) (blobProperties *blob.GetPropertiesResponse, err error) {
if !f.containerOK(container) {
return blobProperties, fs.ErrorObjectNotFound
return nil, fs.ErrorObjectNotFound
}
blb := f.getBlobSVC(container, containerPath)
// Read metadata (this includes metadata)
options := blob.GetPropertiesOptions{}
var resp blob.GetPropertiesResponse
err = f.pacer.Call(func() (bool, error) {
blobProperties, err = blb.GetProperties(ctx, &options)
resp, err = blb.GetProperties(ctx, &options)
return f.shouldRetry(ctx, err)
})
if err != nil {
// On directories - GetProperties does not work and current SDK does not populate service code correctly hence check regular http response as well
if storageErr, ok := err.(*azcore.ResponseError); ok && (storageErr.ErrorCode == string(bloberror.BlobNotFound) || storageErr.StatusCode == http.StatusNotFound) {
return blobProperties, fs.ErrorObjectNotFound
return nil, fs.ErrorObjectNotFound
}
return blobProperties, err
return nil, err
}
return &resp, nil
}
// readMetaDataAlways gets the metadata unconditionally and also the blob properties.
//
// Sets
//
// o.id
// o.modTime
// o.size
// o.md5
func (o *Object) readMetaDataAlways(ctx context.Context) (blobProperties *blob.GetPropertiesResponse, err error) {
container, containerPath := o.split()
blobProperties, err = o.fs.readMetaData(ctx, container, containerPath)
if err != nil {
return nil, err
}
err = o.decodeMetaDataFromPropertiesResponse(blobProperties)
if err != nil {
return nil, err
}
return blobProperties, nil
}
@ -1931,12 +1953,8 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {
if !o.modTime.IsZero() {
return nil
}
container, containerPath := o.split()
blobProperties, err := o.fs.readMetaData(ctx, container, containerPath)
if err != nil {
return err
}
return o.decodeMetaDataFromPropertiesResponse(&blobProperties)
_, err = o.readMetaDataAlways(ctx)
return err
}
// ModTime returns the modification time of the object