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Make GCS multipart upload failures S3-compatible (#5138)

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This commit is contained in:
Krishnan Parthasarathi 2017-11-06 18:09:21 +00:00 committed by Dee Koder
parent 719f8c258a
commit 7d18f00116
1 changed files with 33 additions and 6 deletions
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39
cmd/gateway-gcs.go
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@ -192,12 +192,16 @@ func gcsToObjectError(err error, params ...string) error {
bucket := ""
object := ""
uploadID := ""
if len(params) >= 1 {
bucket = params[0]
}
if len(params) == 2 {
object = params[1]
}
if len(params) == 3 {
uploadID = params[2]
}
// in some cases just a plain error is being returned
switch err.Error() {
@ -208,9 +212,15 @@ func gcsToObjectError(err error, params ...string) error {
e.e = err
return e
case "storage: object doesn't exist":
err = ObjectNotFound{
Bucket: bucket,
Object: object,
if uploadID != "" {
err = InvalidUploadID{
UploadID: uploadID,
}
} else {
err = ObjectNotFound{
Bucket: bucket,
Object: object,
}
}
e.e = err
return e
@ -923,7 +933,7 @@ func (l *gcsGateway) ListMultipartUploads(bucket string, prefix string, keyMarke
// an object layer compatible error upon any error.
func (l *gcsGateway) checkUploadIDExists(bucket string, key string, uploadID string) error {
_, err := l.client.Bucket(bucket).Object(gcsMultipartMetaName(uploadID)).Attrs(l.ctx)
return gcsToObjectError(traceError(err), bucket, key)
return gcsToObjectError(traceError(err), bucket, key, uploadID)
}
// PutObjectPart puts a part of object in bucket
@ -1009,7 +1019,7 @@ func (l *gcsGateway) CompleteMultipartUpload(bucket string, key string, uploadID
partZeroAttrs, err := object.Attrs(l.ctx)
if err != nil {
return ObjectInfo{}, gcsToObjectError(traceError(err), bucket, key)
return ObjectInfo{}, gcsToObjectError(traceError(err), bucket, key, uploadID)
}
r, err := object.NewReader(l.ctx)
@ -1036,9 +1046,26 @@ func (l *gcsGateway) CompleteMultipartUpload(bucket string, key string, uploadID
}
var parts []*storage.ObjectHandle
for _, uploadedPart := range uploadedParts {
partSizes := make([]int64, len(uploadedParts))
for i, uploadedPart := range uploadedParts {
parts = append(parts, l.client.Bucket(bucket).Object(gcsMultipartDataName(uploadID,
uploadedPart.PartNumber, uploadedPart.ETag)))
partAttr, pErr := l.client.Bucket(bucket).Object(gcsMultipartDataName(uploadID, uploadedPart.PartNumber, uploadedPart.ETag)).Attrs(l.ctx)
if pErr != nil {
return ObjectInfo{}, gcsToObjectError(traceError(pErr), bucket, key, uploadID)
}
partSizes[i] = partAttr.Size
}
// Error out if parts except last part sizing < 5MiB.
for i, size := range partSizes[:len(partSizes)-1] {
if size < globalMinPartSize {
return ObjectInfo{}, traceError(PartTooSmall{
PartNumber: uploadedParts[i].PartNumber,
PartSize: size,
PartETag: uploadedParts[i].ETag,
})
}
}
// Returns name of the composed object.