659 lines
22 KiB
Go
659 lines
22 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"io"
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"io/ioutil"
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"path"
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"strconv"
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"strings"
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"time"
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"github.com/skyrings/skyring-common/tools/uuid"
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)
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// Checks whether bucket exists.
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func (fs fsObjects) isBucketExist(bucket string) bool {
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// Check whether bucket exists.
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_, err := fs.storage.StatVol(bucket)
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if err != nil {
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if err == errVolumeNotFound {
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return false
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}
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errorIf(err, "Stat failed on bucket "+bucket+".")
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return false
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}
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return true
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}
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// newMultipartUploadCommon - initialize a new multipart, is a common function for both object layers.
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func (fs fsObjects) newMultipartUploadCommon(bucket string, object string, meta map[string]string) (uploadID string, err error) {
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// Verify if bucket name is valid.
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if !IsValidBucketName(bucket) {
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return "", BucketNameInvalid{Bucket: bucket}
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}
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// Verify whether the bucket exists.
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if !fs.isBucketExist(bucket) {
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return "", BucketNotFound{Bucket: bucket}
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}
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// Verify if object name is valid.
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if !IsValidObjectName(object) {
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return "", ObjectNameInvalid{Bucket: bucket, Object: object}
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}
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// No metadata is set, allocate a new one.
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if meta == nil {
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meta = make(map[string]string)
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}
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fsMeta := fsMetaV1{}
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fsMeta.Format = "fs"
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fsMeta.Version = "1"
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// This lock needs to be held for any changes to the directory contents of ".minio/multipart/object/"
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nsMutex.Lock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object))
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defer nsMutex.Unlock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object))
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uploadID = getUUID()
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initiated := time.Now().UTC()
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// Create 'uploads.json'
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if err = writeUploadJSON(bucket, object, uploadID, initiated, fs.storage); err != nil {
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return "", err
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}
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uploadIDPath := path.Join(mpartMetaPrefix, bucket, object, uploadID)
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tempUploadIDPath := path.Join(tmpMetaPrefix, bucket, object, uploadID)
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if err = fs.writeFSMetadata(minioMetaBucket, tempUploadIDPath, fsMeta); err != nil {
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return "", toObjectErr(err, minioMetaBucket, tempUploadIDPath)
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}
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err = fs.storage.RenameFile(minioMetaBucket, path.Join(tempUploadIDPath, fsMetaJSONFile), minioMetaBucket, path.Join(uploadIDPath, fsMetaJSONFile))
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if err != nil {
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if dErr := fs.storage.DeleteFile(minioMetaBucket, path.Join(tempUploadIDPath, fsMetaJSONFile)); dErr != nil {
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return "", toObjectErr(dErr, minioMetaBucket, tempUploadIDPath)
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}
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return "", toObjectErr(err, minioMetaBucket, uploadIDPath)
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}
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// Return success.
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return uploadID, nil
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}
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func isMultipartObject(storage StorageAPI, bucket, prefix string) bool {
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_, err := storage.StatFile(bucket, path.Join(prefix, fsMetaJSONFile))
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if err != nil {
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if err == errFileNotFound {
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return false
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}
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errorIf(err, "Unable to access "+path.Join(prefix, fsMetaJSONFile))
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return false
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}
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return true
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}
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// listUploadsInfo - list all uploads info.
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func (fs fsObjects) listUploadsInfo(prefixPath string) (uploads []uploadInfo, err error) {
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splitPrefixes := strings.SplitN(prefixPath, "/", 3)
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uploadIDs, err := getUploadIDs(splitPrefixes[1], splitPrefixes[2], fs.storage)
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if err != nil {
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if err == errFileNotFound {
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return []uploadInfo{}, nil
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}
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return nil, err
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}
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uploads = uploadIDs.Uploads
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return uploads, nil
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}
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// listMetaBucketMultipart - list all objects at a given prefix inside minioMetaBucket.
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func (fs fsObjects) listMetaBucketMultipart(prefixPath string, markerPath string, recursive bool, maxKeys int) (fileInfos []FileInfo, eof bool, err error) {
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walker := fs.lookupTreeWalk(listParams{minioMetaBucket, recursive, markerPath, prefixPath})
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if walker == nil {
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walker = fs.startTreeWalk(minioMetaBucket, prefixPath, markerPath, recursive)
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}
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// newMaxKeys tracks the size of entries which are going to be
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// returned back.
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var newMaxKeys int
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// Following loop gathers and filters out special files inside
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// minio meta volume.
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for {
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walkResult, ok := <-walker.ch
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if !ok {
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// Closed channel.
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eof = true
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break
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}
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// For any walk error return right away.
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if walkResult.err != nil {
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// File not found or Disk not found is a valid case.
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if walkResult.err == errFileNotFound || walkResult.err == errDiskNotFound {
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return nil, true, nil
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}
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return nil, false, toObjectErr(walkResult.err, minioMetaBucket, prefixPath)
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}
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fileInfo := walkResult.fileInfo
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var uploads []uploadInfo
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if fileInfo.Mode.IsDir() {
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// List all the entries if fi.Name is a leaf directory, if
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// fi.Name is not a leaf directory then the resulting
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// entries are empty.
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uploads, err = fs.listUploadsInfo(fileInfo.Name)
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if err != nil {
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return nil, false, err
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}
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}
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if len(uploads) > 0 {
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for _, upload := range uploads {
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fileInfos = append(fileInfos, FileInfo{
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Name: path.Join(fileInfo.Name, upload.UploadID),
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ModTime: upload.Initiated,
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})
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newMaxKeys++
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// If we have reached the maxKeys, it means we have listed
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// everything that was requested.
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if newMaxKeys == maxKeys {
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break
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}
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}
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} else {
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// We reach here for a non-recursive case non-leaf entry
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// OR recursive case with fi.Name.
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if !fileInfo.Mode.IsDir() { // Do not skip non-recursive case directory entries.
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// Validate if 'fi.Name' is incomplete multipart.
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if !strings.HasSuffix(fileInfo.Name, fsMetaJSONFile) {
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continue
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}
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fileInfo.Name = path.Dir(fileInfo.Name)
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}
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fileInfos = append(fileInfos, fileInfo)
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newMaxKeys++
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// If we have reached the maxKeys, it means we have listed
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// everything that was requested.
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if newMaxKeys == maxKeys {
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break
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}
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}
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}
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if !eof && len(fileInfos) != 0 {
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// EOF has not reached, hence save the walker channel to the map so that the walker go routine
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// can continue from where it left off for the next list request.
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lastFileInfo := fileInfos[len(fileInfos)-1]
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markerPath = lastFileInfo.Name
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fs.saveTreeWalk(listParams{minioMetaBucket, recursive, markerPath, prefixPath}, walker)
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}
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// Return entries here.
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return fileInfos, eof, nil
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}
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// FIXME: Currently the code sorts based on keyName/upload-id which is
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// not correct based on the S3 specs. According to s3 specs we are
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// supposed to only lexically sort keyNames and then for keyNames with
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// multiple upload ids should be sorted based on the initiated time.
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// Currently this case is not handled.
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// listMultipartUploadsCommon - lists all multipart uploads, common function for both object layers.
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func (fs fsObjects) listMultipartUploadsCommon(bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (ListMultipartsInfo, error) {
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result := ListMultipartsInfo{}
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// Verify if bucket is valid.
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if !IsValidBucketName(bucket) {
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return ListMultipartsInfo{}, BucketNameInvalid{Bucket: bucket}
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}
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if !fs.isBucketExist(bucket) {
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return ListMultipartsInfo{}, BucketNotFound{Bucket: bucket}
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}
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if !IsValidObjectPrefix(prefix) {
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return ListMultipartsInfo{}, ObjectNameInvalid{Bucket: bucket, Object: prefix}
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}
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// Verify if delimiter is anything other than '/', which we do not support.
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if delimiter != "" && delimiter != slashSeparator {
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return ListMultipartsInfo{}, UnsupportedDelimiter{
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Delimiter: delimiter,
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}
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}
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// Verify if marker has prefix.
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if keyMarker != "" && !strings.HasPrefix(keyMarker, prefix) {
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return ListMultipartsInfo{}, InvalidMarkerPrefixCombination{
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Marker: keyMarker,
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Prefix: prefix,
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}
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}
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if uploadIDMarker != "" {
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if strings.HasSuffix(keyMarker, slashSeparator) {
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return result, InvalidUploadIDKeyCombination{
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UploadIDMarker: uploadIDMarker,
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KeyMarker: keyMarker,
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}
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}
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id, err := uuid.Parse(uploadIDMarker)
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if err != nil {
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return result, err
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}
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if id.IsZero() {
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return result, MalformedUploadID{
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UploadID: uploadIDMarker,
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}
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}
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}
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recursive := true
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if delimiter == slashSeparator {
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recursive = false
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}
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result.IsTruncated = true
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result.MaxUploads = maxUploads
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// Not using path.Join() as it strips off the trailing '/'.
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multipartPrefixPath := pathJoin(mpartMetaPrefix, pathJoin(bucket, prefix))
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if prefix == "" {
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// Should have a trailing "/" if prefix is ""
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// For ex. multipartPrefixPath should be "multipart/bucket/" if prefix is ""
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multipartPrefixPath += slashSeparator
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}
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multipartMarkerPath := ""
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if keyMarker != "" {
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keyMarkerPath := pathJoin(pathJoin(bucket, keyMarker), uploadIDMarker)
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multipartMarkerPath = pathJoin(mpartMetaPrefix, keyMarkerPath)
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}
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// List all the multipart files at prefixPath, starting with marker keyMarkerPath.
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fileInfos, eof, err := fs.listMetaBucketMultipart(multipartPrefixPath, multipartMarkerPath, recursive, maxUploads)
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if err != nil {
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return ListMultipartsInfo{}, err
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}
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// Loop through all the received files fill in the multiparts result.
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for _, fileInfo := range fileInfos {
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var objectName string
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var uploadID string
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if fileInfo.Mode.IsDir() {
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// All directory entries are common prefixes.
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uploadID = "" // Upload ids are empty for CommonPrefixes.
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objectName = strings.TrimPrefix(fileInfo.Name, retainSlash(pathJoin(mpartMetaPrefix, bucket)))
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result.CommonPrefixes = append(result.CommonPrefixes, objectName)
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} else {
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uploadID = path.Base(fileInfo.Name)
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objectName = strings.TrimPrefix(path.Dir(fileInfo.Name), retainSlash(pathJoin(mpartMetaPrefix, bucket)))
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result.Uploads = append(result.Uploads, uploadMetadata{
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Object: objectName,
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UploadID: uploadID,
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Initiated: fileInfo.ModTime,
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})
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}
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result.NextKeyMarker = objectName
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result.NextUploadIDMarker = uploadID
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}
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result.IsTruncated = !eof
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if !result.IsTruncated {
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result.NextKeyMarker = ""
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result.NextUploadIDMarker = ""
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}
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return result, nil
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}
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// ListMultipartUploads - list multipart uploads.
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func (fs fsObjects) ListMultipartUploads(bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (ListMultipartsInfo, error) {
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return fs.listMultipartUploadsCommon(bucket, prefix, keyMarker, uploadIDMarker, delimiter, maxUploads)
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}
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// NewMultipartUpload - initialize a new multipart upload, returns a unique id.
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func (fs fsObjects) NewMultipartUpload(bucket, object string, meta map[string]string) (string, error) {
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meta = make(map[string]string) // Reset the meta value, we are not going to save headers for fs.
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return fs.newMultipartUploadCommon(bucket, object, meta)
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}
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// putObjectPartCommon - put object part.
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func (fs fsObjects) putObjectPartCommon(bucket string, object string, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (string, error) {
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// Verify if bucket is valid.
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if !IsValidBucketName(bucket) {
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return "", BucketNameInvalid{Bucket: bucket}
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}
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// Verify whether the bucket exists.
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if !fs.isBucketExist(bucket) {
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return "", BucketNotFound{Bucket: bucket}
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}
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if !IsValidObjectName(object) {
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return "", ObjectNameInvalid{Bucket: bucket, Object: object}
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}
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if !fs.isUploadIDExists(bucket, object, uploadID) {
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return "", InvalidUploadID{UploadID: uploadID}
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}
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// Hold read lock on the uploadID so that no one aborts it.
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nsMutex.RLock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID))
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defer nsMutex.RUnlock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID))
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// Hold write lock on the part so that there is no parallel upload on the part.
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nsMutex.Lock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID, strconv.Itoa(partID)))
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defer nsMutex.Unlock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID, strconv.Itoa(partID)))
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partSuffix := fmt.Sprintf("object%d", partID)
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tmpPartPath := path.Join(tmpMetaPrefix, bucket, object, uploadID, partSuffix)
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fileWriter, err := fs.storage.CreateFile(minioMetaBucket, tmpPartPath)
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if err != nil {
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return "", toObjectErr(err, bucket, object)
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}
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// Initialize md5 writer.
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md5Writer := md5.New()
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// Instantiate a new multi writer.
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multiWriter := io.MultiWriter(md5Writer, fileWriter)
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// Instantiate checksum hashers and create a multiwriter.
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if size > 0 {
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if _, err = io.CopyN(multiWriter, data, size); err != nil {
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if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
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return "", toObjectErr(clErr, bucket, object)
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}
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return "", toObjectErr(err, bucket, object)
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}
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// Reader shouldn't have more data what mentioned in size argument.
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// reading one more byte from the reader to validate it.
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// expected to fail, success validates existence of more data in the reader.
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if _, err = io.CopyN(ioutil.Discard, data, 1); err == nil {
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if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
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return "", toObjectErr(clErr, bucket, object)
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}
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return "", UnExpectedDataSize{Size: int(size)}
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}
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} else {
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var n int64
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if n, err = io.Copy(multiWriter, data); err != nil {
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if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
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return "", toObjectErr(clErr, bucket, object)
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}
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return "", toObjectErr(err, bucket, object)
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}
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size = n
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}
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newMD5Hex := hex.EncodeToString(md5Writer.Sum(nil))
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if md5Hex != "" {
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if newMD5Hex != md5Hex {
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if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
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return "", toObjectErr(clErr, bucket, object)
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}
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return "", BadDigest{md5Hex, newMD5Hex}
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}
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}
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err = fileWriter.Close()
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if err != nil {
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if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
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return "", toObjectErr(clErr, bucket, object)
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}
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return "", err
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}
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uploadIDPath := path.Join(mpartMetaPrefix, bucket, object, uploadID)
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fsMeta, err := fs.readFSMetadata(minioMetaBucket, uploadIDPath)
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if err != nil {
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return "", toObjectErr(err, minioMetaBucket, uploadIDPath)
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}
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fsMeta.AddObjectPart(partSuffix, newMD5Hex, size)
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partPath := path.Join(mpartMetaPrefix, bucket, object, uploadID, partSuffix)
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err = fs.storage.RenameFile(minioMetaBucket, tmpPartPath, minioMetaBucket, partPath)
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if err != nil {
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if dErr := fs.storage.DeleteFile(minioMetaBucket, tmpPartPath); dErr != nil {
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return "", toObjectErr(dErr, minioMetaBucket, tmpPartPath)
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}
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return "", toObjectErr(err, minioMetaBucket, partPath)
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}
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if err = fs.writeFSMetadata(minioMetaBucket, path.Join(mpartMetaPrefix, bucket, object, uploadID), fsMeta); err != nil {
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return "", toObjectErr(err, minioMetaBucket, path.Join(mpartMetaPrefix, bucket, object, uploadID))
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}
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return newMD5Hex, nil
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}
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// PutObjectPart - writes the multipart upload chunks.
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func (fs fsObjects) PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (string, error) {
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return fs.putObjectPartCommon(bucket, object, uploadID, partID, size, data, md5Hex)
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}
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func (fs fsObjects) listObjectPartsCommon(bucket, object, uploadID string, partNumberMarker, maxParts int) (ListPartsInfo, error) {
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// Verify if bucket is valid.
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if !IsValidBucketName(bucket) {
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return ListPartsInfo{}, BucketNameInvalid{Bucket: bucket}
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}
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// Verify whether the bucket exists.
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if !fs.isBucketExist(bucket) {
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return ListPartsInfo{}, BucketNotFound{Bucket: bucket}
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}
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if !IsValidObjectName(object) {
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return ListPartsInfo{}, ObjectNameInvalid{Bucket: bucket, Object: object}
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}
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if !fs.isUploadIDExists(bucket, object, uploadID) {
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return ListPartsInfo{}, InvalidUploadID{UploadID: uploadID}
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}
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// Hold lock so that there is no competing abort-multipart-upload or complete-multipart-upload.
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nsMutex.Lock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID))
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defer nsMutex.Unlock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID))
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result := ListPartsInfo{}
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uploadIDPath := path.Join(mpartMetaPrefix, bucket, object, uploadID)
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fsMeta, err := fs.readFSMetadata(minioMetaBucket, uploadIDPath)
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if err != nil {
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return ListPartsInfo{}, toObjectErr(err, minioMetaBucket, uploadIDPath)
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}
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// Only parts with higher part numbers will be listed.
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parts := fsMeta.Parts[partNumberMarker:]
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count := maxParts
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for i, part := range parts {
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var fi FileInfo
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partNamePath := path.Join(mpartMetaPrefix, bucket, object, uploadID, part.Name)
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fi, err = fs.storage.StatFile(minioMetaBucket, partNamePath)
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if err != nil {
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return ListPartsInfo{}, toObjectErr(err, minioMetaBucket, partNamePath)
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}
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partNum := i + partNumberMarker + 1
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result.Parts = append(result.Parts, partInfo{
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PartNumber: partNum,
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ETag: part.ETag,
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LastModified: fi.ModTime,
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Size: fi.Size,
|
|
})
|
|
count--
|
|
if count == 0 {
|
|
break
|
|
}
|
|
}
|
|
// If listed entries are more than maxParts, we set IsTruncated as true.
|
|
if len(parts) > len(result.Parts) {
|
|
result.IsTruncated = true
|
|
// Make sure to fill next part number marker if IsTruncated is
|
|
// true for subsequent listing.
|
|
nextPartNumberMarker := result.Parts[len(result.Parts)-1].PartNumber
|
|
result.NextPartNumberMarker = nextPartNumberMarker
|
|
}
|
|
result.Bucket = bucket
|
|
result.Object = object
|
|
result.UploadID = uploadID
|
|
result.MaxParts = maxParts
|
|
return result, nil
|
|
}
|
|
|
|
func (fs fsObjects) ListObjectParts(bucket, object, uploadID string, partNumberMarker, maxParts int) (ListPartsInfo, error) {
|
|
return fs.listObjectPartsCommon(bucket, object, uploadID, partNumberMarker, maxParts)
|
|
}
|
|
|
|
// isUploadIDExists - verify if a given uploadID exists and is valid.
|
|
func (fs fsObjects) isUploadIDExists(bucket, object, uploadID string) bool {
|
|
uploadIDPath := path.Join(mpartMetaPrefix, bucket, object, uploadID)
|
|
_, err := fs.storage.StatFile(minioMetaBucket, path.Join(uploadIDPath, fsMetaJSONFile))
|
|
if err != nil {
|
|
if err == errFileNotFound {
|
|
return false
|
|
}
|
|
errorIf(err, "Unable to access upload id"+uploadIDPath)
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (fs fsObjects) CompleteMultipartUpload(bucket string, object string, uploadID string, parts []completePart) (string, error) {
|
|
// Verify if bucket is valid.
|
|
if !IsValidBucketName(bucket) {
|
|
return "", BucketNameInvalid{Bucket: bucket}
|
|
}
|
|
// Verify whether the bucket exists.
|
|
if !fs.isBucketExist(bucket) {
|
|
return "", BucketNotFound{Bucket: bucket}
|
|
}
|
|
if !IsValidObjectName(object) {
|
|
return "", ObjectNameInvalid{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
}
|
|
}
|
|
if !fs.isUploadIDExists(bucket, object, uploadID) {
|
|
return "", InvalidUploadID{UploadID: uploadID}
|
|
}
|
|
|
|
// Calculate s3 compatible md5sum for complete multipart.
|
|
s3MD5, err := completeMultipartMD5(parts...)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
tempObj := path.Join(tmpMetaPrefix, bucket, object, uploadID, "object1")
|
|
fileWriter, err := fs.storage.CreateFile(minioMetaBucket, tempObj)
|
|
if err != nil {
|
|
return "", toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Loop through all parts, validate them and then commit to disk.
|
|
for i, part := range parts {
|
|
// Construct part suffix.
|
|
partSuffix := fmt.Sprintf("object%d", part.PartNumber)
|
|
multipartPartFile := path.Join(mpartMetaPrefix, bucket, object, uploadID, partSuffix)
|
|
var fi FileInfo
|
|
fi, err = fs.storage.StatFile(minioMetaBucket, multipartPartFile)
|
|
if err != nil {
|
|
if err == errFileNotFound {
|
|
return "", InvalidPart{}
|
|
}
|
|
return "", err
|
|
}
|
|
// All parts except the last part has to be atleast 5MB.
|
|
if (i < len(parts)-1) && !isMinAllowedPartSize(fi.Size) {
|
|
return "", PartTooSmall{}
|
|
}
|
|
var fileReader io.ReadCloser
|
|
fileReader, err = fs.storage.ReadFile(minioMetaBucket, multipartPartFile, 0)
|
|
if err != nil {
|
|
if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
|
|
return "", clErr
|
|
}
|
|
if err == errFileNotFound {
|
|
return "", InvalidPart{}
|
|
}
|
|
return "", err
|
|
}
|
|
_, err = io.Copy(fileWriter, fileReader)
|
|
if err != nil {
|
|
if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
|
|
return "", clErr
|
|
}
|
|
return "", err
|
|
}
|
|
err = fileReader.Close()
|
|
if err != nil {
|
|
if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
|
|
return "", clErr
|
|
}
|
|
return "", err
|
|
}
|
|
}
|
|
|
|
err = fileWriter.Close()
|
|
if err != nil {
|
|
if clErr := safeCloseAndRemove(fileWriter); clErr != nil {
|
|
return "", clErr
|
|
}
|
|
return "", err
|
|
}
|
|
|
|
// Rename the file back to original location, if not delete the temporary object.
|
|
err = fs.storage.RenameFile(minioMetaBucket, tempObj, bucket, object)
|
|
if err != nil {
|
|
if dErr := fs.storage.DeleteFile(minioMetaBucket, tempObj); dErr != nil {
|
|
return "", toObjectErr(dErr, minioMetaBucket, tempObj)
|
|
}
|
|
return "", toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Cleanup all the parts if everything else has been safely committed.
|
|
if err = cleanupUploadedParts(bucket, object, uploadID, fs.storage); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
// Return md5sum.
|
|
return s3MD5, nil
|
|
}
|
|
|
|
// abortMultipartUploadCommon - aborts a multipart upload, common
|
|
// function used by both object layers.
|
|
func (fs fsObjects) abortMultipartUploadCommon(bucket, object, uploadID string) error {
|
|
// Verify if bucket is valid.
|
|
if !IsValidBucketName(bucket) {
|
|
return BucketNameInvalid{Bucket: bucket}
|
|
}
|
|
if !fs.isBucketExist(bucket) {
|
|
return BucketNotFound{Bucket: bucket}
|
|
}
|
|
if !IsValidObjectName(object) {
|
|
return ObjectNameInvalid{Bucket: bucket, Object: object}
|
|
}
|
|
if !fs.isUploadIDExists(bucket, object, uploadID) {
|
|
return InvalidUploadID{UploadID: uploadID}
|
|
}
|
|
|
|
// Hold lock so that there is no competing complete-multipart-upload or put-object-part.
|
|
nsMutex.Lock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID))
|
|
defer nsMutex.Unlock(minioMetaBucket, pathJoin(mpartMetaPrefix, bucket, object, uploadID))
|
|
|
|
// Cleanup all uploaded parts.
|
|
if err := cleanupUploadedParts(bucket, object, uploadID, fs.storage); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Validate if there are other incomplete upload-id's present for
|
|
// the object, if yes do not attempt to delete 'uploads.json'.
|
|
uploadIDs, err := getUploadIDs(bucket, object, fs.storage)
|
|
if err == nil {
|
|
uploadIDIdx := uploadIDs.SearchUploadID(uploadID)
|
|
if uploadIDIdx != -1 {
|
|
uploadIDs.Uploads = append(uploadIDs.Uploads[:uploadIDIdx], uploadIDs.Uploads[uploadIDIdx+1:]...)
|
|
}
|
|
if len(uploadIDs.Uploads) > 0 {
|
|
return nil
|
|
}
|
|
}
|
|
if err = fs.storage.DeleteFile(minioMetaBucket, path.Join(mpartMetaPrefix, bucket, object, uploadsJSONFile)); err != nil {
|
|
return toObjectErr(err, minioMetaBucket, path.Join(mpartMetaPrefix, bucket, object))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// AbortMultipartUpload - aborts a multipart upload.
|
|
func (fs fsObjects) AbortMultipartUpload(bucket, object, uploadID string) error {
|
|
return fs.abortMultipartUploadCommon(bucket, object, uploadID)
|
|
}
|