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904 lines
27 KiB
Go
904 lines
27 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"sort"
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"strconv"
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"strings"
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"time"
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jsoniter "github.com/json-iterator/go"
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xioutil "github.com/minio/minio/internal/ioutil"
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"github.com/minio/minio/internal/logger"
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"github.com/minio/pkg/trie"
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)
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// Returns EXPORT/.minio.sys/multipart/SHA256/UPLOADID
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func (fs *FSObjects) getUploadIDDir(bucket, object, uploadID string) string {
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return pathJoin(fs.fsPath, minioMetaMultipartBucket, getSHA256Hash([]byte(pathJoin(bucket, object))), uploadID)
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}
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// Returns EXPORT/.minio.sys/multipart/SHA256
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func (fs *FSObjects) getMultipartSHADir(bucket, object string) string {
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return pathJoin(fs.fsPath, minioMetaMultipartBucket, getSHA256Hash([]byte(pathJoin(bucket, object))))
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}
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// Returns partNumber.etag
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func (fs *FSObjects) encodePartFile(partNumber int, etag string, actualSize int64) string {
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return fmt.Sprintf("%.5d.%s.%d", partNumber, etag, actualSize)
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}
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// Returns partNumber and etag
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func (fs *FSObjects) decodePartFile(name string) (partNumber int, etag string, actualSize int64, err error) {
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result := strings.Split(name, ".")
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if len(result) != 3 {
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return 0, "", 0, errUnexpected
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}
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partNumber, err = strconv.Atoi(result[0])
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if err != nil {
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return 0, "", 0, errUnexpected
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}
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actualSize, err = strconv.ParseInt(result[2], 10, 64)
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if err != nil {
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return 0, "", 0, errUnexpected
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}
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return partNumber, result[1], actualSize, nil
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}
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// Appends parts to an appendFile sequentially.
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func (fs *FSObjects) backgroundAppend(ctx context.Context, bucket, object, uploadID string) {
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fs.appendFileMapMu.Lock()
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logger.GetReqInfo(ctx).AppendTags("uploadID", uploadID)
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file := fs.appendFileMap[uploadID]
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if file == nil {
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file = &fsAppendFile{
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filePath: pathJoin(fs.fsPath, minioMetaTmpBucket, fs.fsUUID, fmt.Sprintf("%s.%s", uploadID, mustGetUUID())),
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}
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fs.appendFileMap[uploadID] = file
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}
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fs.appendFileMapMu.Unlock()
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file.Lock()
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defer file.Unlock()
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// Since we append sequentially nextPartNumber will always be len(file.parts)+1
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nextPartNumber := len(file.parts) + 1
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uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
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entries, err := readDir(uploadIDDir)
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if err != nil {
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logger.GetReqInfo(ctx).AppendTags("uploadIDDir", uploadIDDir)
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logger.LogIf(ctx, err)
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return
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}
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sort.Strings(entries)
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for _, entry := range entries {
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if entry == fs.metaJSONFile {
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continue
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}
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partNumber, etag, actualSize, err := fs.decodePartFile(entry)
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if err != nil {
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// Skip part files whose name don't match expected format. These could be backend filesystem specific files.
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continue
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}
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if partNumber < nextPartNumber {
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// Part already appended.
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continue
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}
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if partNumber > nextPartNumber {
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// Required part number is not yet uploaded.
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return
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}
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partPath := pathJoin(uploadIDDir, entry)
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err = xioutil.AppendFile(file.filePath, partPath, globalFSOSync)
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if err != nil {
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reqInfo := logger.GetReqInfo(ctx).AppendTags("partPath", partPath)
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reqInfo.AppendTags("filepath", file.filePath)
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logger.LogIf(ctx, err)
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return
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}
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file.parts = append(file.parts, PartInfo{PartNumber: partNumber, ETag: etag, ActualSize: actualSize})
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nextPartNumber++
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}
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}
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// ListMultipartUploads - lists all the uploadIDs for the specified object.
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// We do not support prefix based listing.
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func (fs *FSObjects) ListMultipartUploads(ctx context.Context, bucket, object, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, e error) {
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if err := checkListMultipartArgs(ctx, bucket, object, keyMarker, uploadIDMarker, delimiter, fs); err != nil {
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return result, toObjectErr(err)
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}
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if _, err := fs.statBucketDir(ctx, bucket); err != nil {
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return result, toObjectErr(err, bucket)
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}
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result.MaxUploads = maxUploads
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result.KeyMarker = keyMarker
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result.Prefix = object
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result.Delimiter = delimiter
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result.NextKeyMarker = object
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result.UploadIDMarker = uploadIDMarker
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uploadIDs, err := readDir(fs.getMultipartSHADir(bucket, object))
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if err != nil {
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if err == errFileNotFound {
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result.IsTruncated = false
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return result, nil
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}
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logger.LogIf(ctx, err)
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return result, toObjectErr(err)
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}
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// S3 spec says uploadIDs should be sorted based on initiated time. ModTime of fs.json
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// is the creation time of the uploadID, hence we will use that.
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var uploads []MultipartInfo
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for _, uploadID := range uploadIDs {
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metaFilePath := pathJoin(fs.getMultipartSHADir(bucket, object), uploadID, fs.metaJSONFile)
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fi, err := fsStatFile(ctx, metaFilePath)
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if err != nil {
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return result, toObjectErr(err, bucket, object)
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}
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uploads = append(uploads, MultipartInfo{
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Object: object,
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UploadID: strings.TrimSuffix(uploadID, SlashSeparator),
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Initiated: fi.ModTime(),
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})
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}
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sort.Slice(uploads, func(i int, j int) bool {
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return uploads[i].Initiated.Before(uploads[j].Initiated)
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})
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uploadIndex := 0
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if uploadIDMarker != "" {
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for uploadIndex < len(uploads) {
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if uploads[uploadIndex].UploadID != uploadIDMarker {
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uploadIndex++
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continue
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}
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if uploads[uploadIndex].UploadID == uploadIDMarker {
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uploadIndex++
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break
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}
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uploadIndex++
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}
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}
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for uploadIndex < len(uploads) {
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result.Uploads = append(result.Uploads, uploads[uploadIndex])
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result.NextUploadIDMarker = uploads[uploadIndex].UploadID
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uploadIndex++
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if len(result.Uploads) == maxUploads {
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break
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}
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}
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result.IsTruncated = uploadIndex < len(uploads)
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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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// NewMultipartUpload - initialize a new multipart upload, returns a
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// unique id. The unique id returned here is of UUID form, for each
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// subsequent request each UUID is unique.
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//
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// Implements S3 compatible initiate multipart API.
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func (fs *FSObjects) NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (string, error) {
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if err := checkNewMultipartArgs(ctx, bucket, object, fs); err != nil {
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return "", toObjectErr(err, bucket)
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}
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if _, err := fs.statBucketDir(ctx, bucket); err != nil {
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return "", toObjectErr(err, bucket)
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}
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uploadID := mustGetUUID()
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uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
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err := mkdirAll(uploadIDDir, 0755)
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if err != nil {
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logger.LogIf(ctx, err)
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return "", err
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}
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// Initialize fs.json values.
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fsMeta := newFSMetaV1()
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fsMeta.Meta = opts.UserDefined
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fsMetaBytes, err := json.Marshal(fsMeta)
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if err != nil {
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logger.LogIf(ctx, err)
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return "", err
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}
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if err = ioutil.WriteFile(pathJoin(uploadIDDir, fs.metaJSONFile), fsMetaBytes, 0666); err != nil {
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logger.LogIf(ctx, err)
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return "", err
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}
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return uploadID, nil
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}
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// CopyObjectPart - similar to PutObjectPart but reads data from an existing
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// object. Internally incoming data is written to '.minio.sys/tmp' location
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// and safely renamed to '.minio.sys/multipart' for reach parts.
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func (fs *FSObjects) CopyObjectPart(ctx context.Context, srcBucket, srcObject, dstBucket, dstObject, uploadID string, partID int,
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startOffset int64, length int64, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (pi PartInfo, e error) {
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if srcOpts.VersionID != "" && srcOpts.VersionID != nullVersionID {
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return pi, VersionNotFound{
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Bucket: srcBucket,
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Object: srcObject,
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VersionID: srcOpts.VersionID,
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}
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}
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if err := checkNewMultipartArgs(ctx, srcBucket, srcObject, fs); err != nil {
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return pi, toObjectErr(err)
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}
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partInfo, err := fs.PutObjectPart(ctx, dstBucket, dstObject, uploadID, partID, srcInfo.PutObjReader, dstOpts)
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if err != nil {
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return pi, toObjectErr(err, dstBucket, dstObject)
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}
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return partInfo, nil
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}
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// PutObjectPart - reads incoming data until EOF for the part file on
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// an ongoing multipart transaction. Internally incoming data is
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// written to '.minio.sys/tmp' location and safely renamed to
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// '.minio.sys/multipart' for reach parts.
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func (fs *FSObjects) PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, r *PutObjReader, opts ObjectOptions) (pi PartInfo, e error) {
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if opts.VersionID != "" && opts.VersionID != nullVersionID {
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return pi, VersionNotFound{
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Bucket: bucket,
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Object: object,
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VersionID: opts.VersionID,
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}
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}
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data := r.Reader
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if err := checkPutObjectPartArgs(ctx, bucket, object, fs); err != nil {
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return pi, toObjectErr(err, bucket)
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}
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if _, err := fs.statBucketDir(ctx, bucket); err != nil {
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return pi, toObjectErr(err, bucket)
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}
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// Validate input data size and it can never be less than -1.
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if data.Size() < -1 {
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logger.LogIf(ctx, errInvalidArgument, logger.Application)
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return pi, toObjectErr(errInvalidArgument)
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}
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uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
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// Just check if the uploadID exists to avoid copy if it doesn't.
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_, err := fsStatFile(ctx, pathJoin(uploadIDDir, fs.metaJSONFile))
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if err != nil {
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if err == errFileNotFound || err == errFileAccessDenied {
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return pi, InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
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}
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return pi, toObjectErr(err, bucket, object)
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}
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tmpPartPath := pathJoin(fs.fsPath, minioMetaTmpBucket, fs.fsUUID, uploadID+"."+mustGetUUID()+"."+strconv.Itoa(partID))
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bytesWritten, err := fsCreateFile(ctx, tmpPartPath, data, data.Size())
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// Delete temporary part in case of failure. If
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// PutObjectPart succeeds then there would be nothing to
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// delete in which case we just ignore the error.
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defer fsRemoveFile(ctx, tmpPartPath)
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if err != nil {
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return pi, toObjectErr(err, minioMetaTmpBucket, tmpPartPath)
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}
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// Should return IncompleteBody{} error when reader has fewer
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// bytes than specified in request header.
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if bytesWritten < data.Size() {
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return pi, IncompleteBody{Bucket: bucket, Object: object}
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}
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etag := r.MD5CurrentHexString()
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if etag == "" {
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etag = GenETag()
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}
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partPath := pathJoin(uploadIDDir, fs.encodePartFile(partID, etag, data.ActualSize()))
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// Make sure not to create parent directories if they don't exist - the upload might have been aborted.
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if err = Rename(tmpPartPath, partPath); err != nil {
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if err == errFileNotFound || err == errFileAccessDenied {
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return pi, InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
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}
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return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
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}
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go fs.backgroundAppend(ctx, bucket, object, uploadID)
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fi, err := fsStatFile(ctx, partPath)
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if err != nil {
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return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
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}
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return PartInfo{
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PartNumber: partID,
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LastModified: fi.ModTime(),
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ETag: etag,
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Size: fi.Size(),
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ActualSize: data.ActualSize(),
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}, nil
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}
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// GetMultipartInfo returns multipart metadata uploaded during newMultipartUpload, used
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// by callers to verify object states
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// - encrypted
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// - compressed
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func (fs *FSObjects) GetMultipartInfo(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) (MultipartInfo, error) {
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minfo := MultipartInfo{
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Bucket: bucket,
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Object: object,
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UploadID: uploadID,
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}
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if err := checkListPartsArgs(ctx, bucket, object, fs); err != nil {
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return minfo, toObjectErr(err)
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}
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// Check if bucket exists
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if _, err := fs.statBucketDir(ctx, bucket); err != nil {
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return minfo, toObjectErr(err, bucket)
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}
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uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
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if _, err := fsStatFile(ctx, pathJoin(uploadIDDir, fs.metaJSONFile)); err != nil {
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if err == errFileNotFound || err == errFileAccessDenied {
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return minfo, InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
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}
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return minfo, toObjectErr(err, bucket, object)
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}
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fsMetaBytes, err := xioutil.ReadFile(pathJoin(uploadIDDir, fs.metaJSONFile))
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if err != nil {
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logger.LogIf(ctx, err)
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return minfo, toObjectErr(err, bucket, object)
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}
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var fsMeta fsMetaV1
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var json = jsoniter.ConfigCompatibleWithStandardLibrary
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if err = json.Unmarshal(fsMetaBytes, &fsMeta); err != nil {
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return minfo, toObjectErr(err, bucket, object)
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}
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minfo.UserDefined = fsMeta.Meta
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return minfo, nil
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}
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// ListObjectParts - lists all previously uploaded parts for a given
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// object and uploadID. Takes additional input of part-number-marker
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// to indicate where the listing should begin from.
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//
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// Implements S3 compatible ListObjectParts API. The resulting
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// ListPartsInfo structure is unmarshalled directly into XML and
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// replied back to the client.
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func (fs *FSObjects) ListObjectParts(ctx context.Context, bucket, object, uploadID string, partNumberMarker, maxParts int, opts ObjectOptions) (result ListPartsInfo, e error) {
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if err := checkListPartsArgs(ctx, bucket, object, fs); err != nil {
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return result, toObjectErr(err)
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}
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result.Bucket = bucket
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result.Object = object
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result.UploadID = uploadID
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result.MaxParts = maxParts
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result.PartNumberMarker = partNumberMarker
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// Check if bucket exists
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if _, err := fs.statBucketDir(ctx, bucket); err != nil {
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return result, toObjectErr(err, bucket)
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}
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uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
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if _, err := fsStatFile(ctx, pathJoin(uploadIDDir, fs.metaJSONFile)); err != nil {
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if err == errFileNotFound || err == errFileAccessDenied {
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return result, InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
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}
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return result, toObjectErr(err, bucket, object)
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}
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entries, err := readDir(uploadIDDir)
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if err != nil {
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logger.LogIf(ctx, err)
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return result, toObjectErr(err, bucket)
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}
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partsMap := make(map[int]PartInfo)
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for _, entry := range entries {
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if entry == fs.metaJSONFile {
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continue
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}
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partNumber, currentEtag, actualSize, derr := fs.decodePartFile(entry)
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if derr != nil {
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// Skip part files whose name don't match expected format. These could be backend filesystem specific files.
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continue
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}
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entryStat, err := fsStatFile(ctx, pathJoin(uploadIDDir, entry))
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if err != nil {
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continue
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}
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currentMeta := PartInfo{
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PartNumber: partNumber,
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ETag: currentEtag,
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ActualSize: actualSize,
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Size: entryStat.Size(),
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LastModified: entryStat.ModTime(),
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}
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cachedMeta, ok := partsMap[partNumber]
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if !ok {
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partsMap[partNumber] = currentMeta
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continue
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}
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if currentMeta.LastModified.After(cachedMeta.LastModified) {
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partsMap[partNumber] = currentMeta
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}
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}
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var parts []PartInfo
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for _, partInfo := range partsMap {
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parts = append(parts, partInfo)
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}
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sort.Slice(parts, func(i int, j int) bool {
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return parts[i].PartNumber < parts[j].PartNumber
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})
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i := 0
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if partNumberMarker != 0 {
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// If the marker was set, skip the entries till the marker.
|
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for _, part := range parts {
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i++
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if part.PartNumber == partNumberMarker {
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break
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}
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}
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}
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partsCount := 0
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for partsCount < maxParts && i < len(parts) {
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result.Parts = append(result.Parts, parts[i])
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i++
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partsCount++
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}
|
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if i < len(parts) {
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result.IsTruncated = true
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if partsCount != 0 {
|
|
result.NextPartNumberMarker = result.Parts[partsCount-1].PartNumber
|
|
}
|
|
}
|
|
|
|
rc, _, err := fsOpenFile(ctx, pathJoin(uploadIDDir, fs.metaJSONFile), 0)
|
|
if err != nil {
|
|
if err == errFileNotFound || err == errFileAccessDenied {
|
|
return result, InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
|
|
}
|
|
return result, toObjectErr(err, bucket, object)
|
|
}
|
|
defer rc.Close()
|
|
|
|
fsMetaBytes, err := ioutil.ReadAll(rc)
|
|
if err != nil {
|
|
return result, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
var fsMeta fsMetaV1
|
|
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
|
if err = json.Unmarshal(fsMetaBytes, &fsMeta); err != nil {
|
|
return result, err
|
|
}
|
|
|
|
result.UserDefined = fsMeta.Meta
|
|
return result, nil
|
|
}
|
|
|
|
// CompleteMultipartUpload - completes an ongoing multipart
|
|
// transaction after receiving all the parts indicated by the client.
|
|
// Returns an md5sum calculated by concatenating all the individual
|
|
// md5sums of all the parts.
|
|
//
|
|
// Implements S3 compatible Complete multipart API.
|
|
func (fs *FSObjects) CompleteMultipartUpload(ctx context.Context, bucket string, object string, uploadID string, parts []CompletePart, opts ObjectOptions) (oi ObjectInfo, e error) {
|
|
|
|
var actualSize int64
|
|
|
|
if err := checkCompleteMultipartArgs(ctx, bucket, object, fs); err != nil {
|
|
return oi, toObjectErr(err)
|
|
}
|
|
|
|
if _, err := fs.statBucketDir(ctx, bucket); err != nil {
|
|
return oi, toObjectErr(err, bucket)
|
|
}
|
|
defer NSUpdated(bucket, object)
|
|
|
|
uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
|
|
// Just check if the uploadID exists to avoid copy if it doesn't.
|
|
_, err := fsStatFile(ctx, pathJoin(uploadIDDir, fs.metaJSONFile))
|
|
if err != nil {
|
|
if err == errFileNotFound || err == errFileAccessDenied {
|
|
return oi, InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
|
|
}
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// ensure that part ETag is canonicalized to strip off extraneous quotes
|
|
for i := range parts {
|
|
parts[i].ETag = canonicalizeETag(parts[i].ETag)
|
|
}
|
|
|
|
fsMeta := fsMetaV1{}
|
|
|
|
// Allocate parts similar to incoming slice.
|
|
fsMeta.Parts = make([]ObjectPartInfo, len(parts))
|
|
|
|
entries, err := readDir(uploadIDDir)
|
|
if err != nil {
|
|
logger.GetReqInfo(ctx).AppendTags("uploadIDDir", uploadIDDir)
|
|
logger.LogIf(ctx, err)
|
|
return oi, err
|
|
}
|
|
|
|
// Create entries trie structure for prefix match
|
|
entriesTrie := trie.NewTrie()
|
|
for _, entry := range entries {
|
|
entriesTrie.Insert(entry)
|
|
}
|
|
|
|
// Save consolidated actual size.
|
|
var objectActualSize int64
|
|
// Validate all parts and then commit to disk.
|
|
for i, part := range parts {
|
|
partFile := getPartFile(entriesTrie, part.PartNumber, part.ETag)
|
|
if partFile == "" {
|
|
return oi, InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
GotETag: part.ETag,
|
|
}
|
|
}
|
|
|
|
// Read the actualSize from the pathFileName.
|
|
subParts := strings.Split(partFile, ".")
|
|
actualSize, err = strconv.ParseInt(subParts[len(subParts)-1], 10, 64)
|
|
if err != nil {
|
|
return oi, InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
GotETag: part.ETag,
|
|
}
|
|
}
|
|
|
|
partPath := pathJoin(uploadIDDir, partFile)
|
|
|
|
var fi os.FileInfo
|
|
fi, err = fsStatFile(ctx, partPath)
|
|
if err != nil {
|
|
if err == errFileNotFound || err == errFileAccessDenied {
|
|
return oi, InvalidPart{}
|
|
}
|
|
return oi, err
|
|
}
|
|
|
|
fsMeta.Parts[i] = ObjectPartInfo{
|
|
Number: part.PartNumber,
|
|
Size: fi.Size(),
|
|
ActualSize: actualSize,
|
|
}
|
|
|
|
// Consolidate the actual size.
|
|
objectActualSize += actualSize
|
|
|
|
if i == len(parts)-1 {
|
|
break
|
|
}
|
|
|
|
// All parts except the last part has to be atleast 5MB.
|
|
if !isMinAllowedPartSize(actualSize) {
|
|
return oi, PartTooSmall{
|
|
PartNumber: part.PartNumber,
|
|
PartSize: actualSize,
|
|
PartETag: part.ETag,
|
|
}
|
|
}
|
|
}
|
|
|
|
appendFallback := true // In case background-append did not append the required parts.
|
|
appendFilePath := pathJoin(fs.fsPath, minioMetaTmpBucket, fs.fsUUID, fmt.Sprintf("%s.%s", uploadID, mustGetUUID()))
|
|
|
|
// Most of the times appendFile would already be fully appended by now. We call fs.backgroundAppend()
|
|
// to take care of the following corner case:
|
|
// 1. The last PutObjectPart triggers go-routine fs.backgroundAppend, this go-routine has not started yet.
|
|
// 2. Now CompleteMultipartUpload gets called which sees that lastPart is not appended and starts appending
|
|
// from the beginning
|
|
fs.backgroundAppend(ctx, bucket, object, uploadID)
|
|
|
|
fs.appendFileMapMu.Lock()
|
|
file := fs.appendFileMap[uploadID]
|
|
delete(fs.appendFileMap, uploadID)
|
|
fs.appendFileMapMu.Unlock()
|
|
|
|
if file != nil {
|
|
file.Lock()
|
|
defer file.Unlock()
|
|
// Verify that appendFile has all the parts.
|
|
if len(file.parts) == len(parts) {
|
|
for i := range parts {
|
|
if parts[i].ETag != file.parts[i].ETag {
|
|
break
|
|
}
|
|
if parts[i].PartNumber != file.parts[i].PartNumber {
|
|
break
|
|
}
|
|
if i == len(parts)-1 {
|
|
appendFilePath = file.filePath
|
|
appendFallback = false
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if appendFallback {
|
|
if file != nil {
|
|
fsRemoveFile(ctx, file.filePath)
|
|
}
|
|
for _, part := range parts {
|
|
partFile := getPartFile(entriesTrie, part.PartNumber, part.ETag)
|
|
if partFile == "" {
|
|
logger.LogIf(ctx, fmt.Errorf("%.5d.%s missing will not proceed",
|
|
part.PartNumber, part.ETag))
|
|
return oi, InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
GotETag: part.ETag,
|
|
}
|
|
}
|
|
if err = xioutil.AppendFile(appendFilePath, pathJoin(uploadIDDir, partFile), globalFSOSync); err != nil {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Hold write lock on the object.
|
|
destLock := fs.NewNSLock(bucket, object)
|
|
lkctx, err := destLock.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return oi, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer destLock.Unlock(lkctx.Cancel)
|
|
|
|
bucketMetaDir := pathJoin(fs.fsPath, minioMetaBucket, bucketMetaPrefix)
|
|
fsMetaPath := pathJoin(bucketMetaDir, bucket, object, fs.metaJSONFile)
|
|
metaFile, err := fs.rwPool.Write(fsMetaPath)
|
|
var freshFile bool
|
|
if err != nil {
|
|
if !errors.Is(err, errFileNotFound) {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
metaFile, err = fs.rwPool.Create(fsMetaPath)
|
|
if err != nil {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
freshFile = true
|
|
}
|
|
defer metaFile.Close()
|
|
defer func() {
|
|
// Remove meta file when CompleteMultipart encounters
|
|
// any error and it is a fresh file.
|
|
//
|
|
// We should preserve the `fs.json` of any
|
|
// existing object
|
|
if e != nil && freshFile {
|
|
tmpDir := pathJoin(fs.fsPath, minioMetaTmpBucket, fs.fsUUID)
|
|
fsRemoveMeta(ctx, bucketMetaDir, fsMetaPath, tmpDir)
|
|
}
|
|
}()
|
|
|
|
// Read saved fs metadata for ongoing multipart.
|
|
fsMetaBuf, err := xioutil.ReadFile(pathJoin(uploadIDDir, fs.metaJSONFile))
|
|
if err != nil {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
err = json.Unmarshal(fsMetaBuf, &fsMeta)
|
|
if err != nil {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
// Save additional metadata.
|
|
if fsMeta.Meta == nil {
|
|
fsMeta.Meta = make(map[string]string)
|
|
}
|
|
|
|
fsMeta.Meta["etag"] = opts.UserDefined["etag"]
|
|
if fsMeta.Meta["etag"] == "" {
|
|
fsMeta.Meta["etag"] = getCompleteMultipartMD5(parts)
|
|
}
|
|
|
|
// Save consolidated actual size.
|
|
fsMeta.Meta[ReservedMetadataPrefix+"actual-size"] = strconv.FormatInt(objectActualSize, 10)
|
|
if _, err = fsMeta.WriteTo(metaFile); err != nil {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
err = fsRenameFile(ctx, appendFilePath, pathJoin(fs.fsPath, bucket, object))
|
|
if err != nil {
|
|
logger.LogIf(ctx, err)
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Purge multipart folders
|
|
{
|
|
fsTmpObjPath := pathJoin(fs.fsPath, minioMetaTmpBucket, fs.fsUUID, mustGetUUID())
|
|
defer fsRemoveAll(ctx, fsTmpObjPath) // remove multipart temporary files in background.
|
|
|
|
Rename(uploadIDDir, fsTmpObjPath)
|
|
|
|
// It is safe to ignore any directory not empty error (in case there were multiple uploadIDs on the same object)
|
|
fsRemoveDir(ctx, fs.getMultipartSHADir(bucket, object))
|
|
}
|
|
|
|
fi, err := fsStatFile(ctx, pathJoin(fs.fsPath, bucket, object))
|
|
if err != nil {
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
return fsMeta.ToObjectInfo(bucket, object, fi), nil
|
|
}
|
|
|
|
// AbortMultipartUpload - aborts an ongoing multipart operation
|
|
// signified by the input uploadID. This is an atomic operation
|
|
// doesn't require clients to initiate multiple such requests.
|
|
//
|
|
// All parts are purged from all disks and reference to the uploadID
|
|
// would be removed from the system, rollback is not possible on this
|
|
// operation.
|
|
//
|
|
// Implements S3 compatible Abort multipart API, slight difference is
|
|
// that this is an atomic idempotent operation. Subsequent calls have
|
|
// no affect and further requests to the same uploadID would not be
|
|
// honored.
|
|
func (fs *FSObjects) AbortMultipartUpload(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) error {
|
|
if err := checkAbortMultipartArgs(ctx, bucket, object, fs); err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := fs.statBucketDir(ctx, bucket); err != nil {
|
|
return toObjectErr(err, bucket)
|
|
}
|
|
|
|
fs.appendFileMapMu.Lock()
|
|
// Remove file in tmp folder
|
|
file := fs.appendFileMap[uploadID]
|
|
if file != nil {
|
|
fsRemoveFile(ctx, file.filePath)
|
|
}
|
|
delete(fs.appendFileMap, uploadID)
|
|
fs.appendFileMapMu.Unlock()
|
|
|
|
uploadIDDir := fs.getUploadIDDir(bucket, object, uploadID)
|
|
// Just check if the uploadID exists to avoid copy if it doesn't.
|
|
_, err := fsStatFile(ctx, pathJoin(uploadIDDir, fs.metaJSONFile))
|
|
if err != nil {
|
|
if err == errFileNotFound || err == errFileAccessDenied {
|
|
return InvalidUploadID{Bucket: bucket, Object: object, UploadID: uploadID}
|
|
}
|
|
return toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Purge multipart folders
|
|
{
|
|
fsTmpObjPath := pathJoin(fs.fsPath, minioMetaTmpBucket, fs.fsUUID, mustGetUUID())
|
|
defer fsRemoveAll(ctx, fsTmpObjPath) // remove multipart temporary files in background.
|
|
|
|
Rename(uploadIDDir, fsTmpObjPath)
|
|
|
|
// It is safe to ignore any directory not empty error (in case there were multiple uploadIDs on the same object)
|
|
fsRemoveDir(ctx, fs.getMultipartSHADir(bucket, object))
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Removes multipart uploads if any older than `expiry` duration
|
|
// on all buckets for every `cleanupInterval`, this function is
|
|
// blocking and should be run in a go-routine.
|
|
func (fs *FSObjects) cleanupStaleUploads(ctx context.Context) {
|
|
timer := time.NewTimer(globalAPIConfig.getStaleUploadsCleanupInterval())
|
|
defer timer.Stop()
|
|
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case <-timer.C:
|
|
// Reset for the next interval
|
|
timer.Reset(globalAPIConfig.getStaleUploadsCleanupInterval())
|
|
|
|
expiry := globalAPIConfig.getStaleUploadsExpiry()
|
|
|
|
now := time.Now()
|
|
entries, err := readDir(pathJoin(fs.fsPath, minioMetaMultipartBucket))
|
|
if err != nil {
|
|
continue
|
|
}
|
|
for _, entry := range entries {
|
|
uploadIDs, err := readDir(pathJoin(fs.fsPath, minioMetaMultipartBucket, entry))
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
// Remove the trailing slash separator
|
|
for i := range uploadIDs {
|
|
uploadIDs[i] = strings.TrimSuffix(uploadIDs[i], SlashSeparator)
|
|
}
|
|
|
|
for _, uploadID := range uploadIDs {
|
|
fi, err := fsStatDir(ctx, pathJoin(fs.fsPath, minioMetaMultipartBucket, entry, uploadID))
|
|
if err != nil {
|
|
continue
|
|
}
|
|
if now.Sub(fi.ModTime()) > expiry {
|
|
fsRemoveAll(ctx, pathJoin(fs.fsPath, minioMetaMultipartBucket, entry, uploadID))
|
|
// It is safe to ignore any directory not empty error (in case there were multiple uploadIDs on the same object)
|
|
fsRemoveDir(ctx, pathJoin(fs.fsPath, minioMetaMultipartBucket, entry))
|
|
|
|
// Remove uploadID from the append file map and its corresponding temporary file
|
|
fs.appendFileMapMu.Lock()
|
|
bgAppend, ok := fs.appendFileMap[uploadID]
|
|
if ok {
|
|
_ = fsRemoveFile(ctx, bgAppend.filePath)
|
|
delete(fs.appendFileMap, uploadID)
|
|
}
|
|
fs.appendFileMapMu.Unlock()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|