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[bugfix] Fix media uploads blocking after a failed upload #438

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safer in case of failure
This commit is contained in:
tobi 2022-03-22 12:42:34 +01:00 committed by GitHub
parent 25cab0e1f4
commit 8cc70a14d6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 8 deletions
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26
internal/media/processingmedia.go
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@ -80,8 +80,10 @@ func (p *ProcessingMedia) AttachmentID() string {
// LoadAttachment blocks until the thumbnail and fullsize content
// has been processed, and then returns the completed attachment.
func (p *ProcessingMedia) LoadAttachment(ctx context.Context) (*gtsmodel.MediaAttachment, error) {
logrus.Tracef("LoadAttachment: getting lock for attachment %s", p.attachment.URL)
p.mu.Lock()
defer p.mu.Unlock()
logrus.Tracef("LoadAttachment: got lock for attachment %s", p.attachment.URL)
if err := p.store(ctx); err != nil {
return nil, err
@ -111,6 +113,7 @@ func (p *ProcessingMedia) LoadAttachment(ctx context.Context) (*gtsmodel.MediaAt
p.insertedInDB = true
}
logrus.Tracef("LoadAttachment: finished, returning attachment %s", p.attachment.URL)
return p.attachment, nil
}
@ -133,7 +136,8 @@ func (p *ProcessingMedia) loadThumb(ctx context.Context) error {
createBlurhash = true
}
// stream the original file out of storage...
// stream the original file out of storage
logrus.Tracef("loadThumb: fetching attachment from storage %s", p.attachment.URL)
stored, err := p.storage.GetStream(p.attachment.File.Path)
if err != nil {
p.err = fmt.Errorf("loadThumb: error fetching file from storage: %s", err)
@ -141,7 +145,16 @@ func (p *ProcessingMedia) loadThumb(ctx context.Context) error {
return p.err
}
// ... and into the derive thumbnail function
// whatever happens, close the stream when we're done
defer func() {
logrus.Tracef("loadThumb: closing stored stream %s", p.attachment.URL)
if err := stored.Close(); err != nil {
logrus.Errorf("loadThumb: error closing stored full size: %s", err)
}
}()
// stream the file from storage straight into the derive thumbnail function
logrus.Tracef("loadThumb: calling deriveThumbnail %s", p.attachment.URL)
thumb, err := deriveThumbnail(stored, p.attachment.File.ContentType, createBlurhash)
if err != nil {
p.err = fmt.Errorf("loadThumb: error deriving thumbnail: %s", err)
@ -149,13 +162,8 @@ func (p *ProcessingMedia) loadThumb(ctx context.Context) error {
return p.err
}
if err := stored.Close(); err != nil {
p.err = fmt.Errorf("loadThumb: error closing stored full size: %s", err)
atomic.StoreInt32(&p.thumbState, int32(errored))
return p.err
}
// put the thumbnail in storage
logrus.Tracef("loadThumb: storing new thumbnail %s", p.attachment.URL)
if err := p.storage.Put(p.attachment.Thumbnail.Path, thumb.small); err != nil {
p.err = fmt.Errorf("loadThumb: error storing thumbnail: %s", err)
atomic.StoreInt32(&p.thumbState, int32(errored))
@ -176,6 +184,7 @@ func (p *ProcessingMedia) loadThumb(ctx context.Context) error {
// we're done processing the thumbnail!
atomic.StoreInt32(&p.thumbState, int32(complete))
logrus.Tracef("loadThumb: finished processing thumbnail for attachment %s", p.attachment.URL)
fallthrough
case complete:
return nil
@ -236,6 +245,7 @@ func (p *ProcessingMedia) loadFullSize(ctx context.Context) error {
// we're done processing the full-size image
atomic.StoreInt32(&p.fullSizeState, int32(complete))
logrus.Tracef("loadFullSize: finished processing full size image for attachment %s", p.attachment.URL)
fallthrough
case complete:
return nil