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Fix aliyun OSS Delete method's notion of subpaths 

Deleting "/a" was deleting "/a/b" but also "/ab".

Signed-off-by: Richard Scothern <richard.scothern@docker.com>
pull/2005/head
Richard Scothern 2016-10-14 16:25:37 -07:00
parent 12e73f01d2
commit a621a86cb4
1 changed files with 13 additions and 2 deletions
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15
registry/storage/driver/oss/oss.go
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@ -408,7 +408,8 @@ func (d *driver) Move(ctx context.Context, sourcePath string, destPath string) e
// Delete recursively deletes all objects stored at "path" and its subpaths.
func (d *driver) Delete(ctx context.Context, path string) error {
listResponse, err := d.Bucket.List(d.ossPath(path), "", "", listMax)
ossPath := d.ossPath(path)
listResponse, err := d.Bucket.List(ossPath, "", "", listMax)
if err != nil || len(listResponse.Contents) == 0 {
return storagedriver.PathNotFoundError{Path: path}
}
@ -416,15 +417,25 @@ func (d *driver) Delete(ctx context.Context, path string) error {
ossObjects := make([]oss.Object, listMax)
for len(listResponse.Contents) > 0 {
numOssObjects := len(listResponse.Contents)
for index, key := range listResponse.Contents {
// Stop if we encounter a key that is not a subpath (so that deleting "/a" does not delete "/ab").
if len(key.Key) > len(ossPath) && (key.Key)[len(ossPath)] != '/' {
numOssObjects = index
break
}
ossObjects[index].Key = key.Key
}
err := d.Bucket.DelMulti(oss.Delete{Quiet: false, Objects: ossObjects[0:len(listResponse.Contents)]})
err := d.Bucket.DelMulti(oss.Delete{Quiet: false, Objects: ossObjects[0:numOssObjects]})
if err != nil {
return nil
}
if numOssObjects < len(listResponse.Contents) {
return nil
}
listResponse, err = d.Bucket.List(d.ossPath(path), "", "", listMax)
if err != nil {
return err