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fix: multi-delete API write quorum failures (#8926)
multi-delete API failed with write quorum errors under following situations - list of files requested for delete doesn't exist anymore can lead to quorum errors and failure - due to usage of query param for paths, for really long paths MinIO server rejects these requests as malformed as unexpected. This was reproduced with warp
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@ -245,7 +245,7 @@ func (client *storageRESTClient) AppendFile(volume, path string, buffer []byte)
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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reader := bytes.NewBuffer(buffer)
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reader := bytes.NewReader(buffer)
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respBody, err := client.call(storageRESTMethodAppendFile, values, reader, -1)
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defer http.DrainBody(respBody)
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return err
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@ -405,10 +405,14 @@ func (client *storageRESTClient) DeleteFileBulk(volume string, paths []string) (
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}
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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var buffer bytes.Buffer
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for _, path := range paths {
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values.Add(storageRESTFilePath, path)
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buffer.WriteString(path)
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buffer.WriteString("\n")
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}
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respBody, err := client.call(storageRESTMethodDeleteFileBulk, values, nil, -1)
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respBody, err := client.call(storageRESTMethodDeleteFileBulk, values, &buffer, -1)
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defer http.DrainBody(respBody)
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if err != nil {
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@ -17,7 +17,7 @@
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package cmd
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const (
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storageRESTVersion = "v13" // Introduced StorageErr error type.
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storageRESTVersion = "v14" // DeleteFileBulk API change
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storageRESTVersionPrefix = SlashSeparator + storageRESTVersion
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storageRESTPrefix = minioReservedBucketPath + "/storage"
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)
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@ -17,6 +17,7 @@
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package cmd
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import (
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"bufio"
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"context"
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"encoding/gob"
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"encoding/hex"
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@ -502,7 +503,17 @@ func (s *storageRESTServer) DeleteFileBulkHandler(w http.ResponseWriter, r *http
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}
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vars := r.URL.Query()
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volume := vars.Get(storageRESTVolume)
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filePaths := vars[storageRESTFilePath]
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bio := bufio.NewScanner(r.Body)
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var filePaths []string
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for bio.Scan() {
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filePaths = append(filePaths, bio.Text())
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}
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if err := bio.Err(); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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errs, err := s.storage.DeleteFileBulk(volume, filePaths)
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if err != nil {
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@ -664,7 +675,7 @@ func registerStorageRESTHandlers(router *mux.Router, endpointZones EndpointZones
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subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDeleteFile).HandlerFunc(httpTraceHdrs(server.DeleteFileHandler)).
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Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
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subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDeleteFileBulk).HandlerFunc(httpTraceHdrs(server.DeleteFileBulkHandler)).
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Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
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Queries(restQueries(storageRESTVolume)...)
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subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodRenameFile).HandlerFunc(httpTraceHdrs(server.RenameFileHandler)).
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Queries(restQueries(storageRESTSrcVolume, storageRESTSrcPath, storageRESTDstVolume, storageRESTDstPath)...)
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@ -738,8 +738,7 @@ func (xl xlObjects) deleteObject(ctx context.Context, bucket, object string, wri
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// object.
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func (xl xlObjects) doDeleteObjects(ctx context.Context, bucket string, objects []string, errs []error, writeQuorums []int, isDirs []bool) ([]error, error) {
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var tmpObjs = make([]string, len(objects))
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var disks = xl.getDisks()
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disks := xl.getDisks()
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if bucket == minioMetaTmpBucket {
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copy(tmpObjs, objects)
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} else {
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@ -753,10 +752,10 @@ func (xl xlObjects) doDeleteObjects(ctx context.Context, bucket string, objects
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// that a non found object in a given disk as a success since it already
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// confirms that the object doesn't have a part in that disk (already removed)
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if isDirs[i] {
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disks, err = rename(ctx, xl.getDisks(), bucket, object, minioMetaTmpBucket, tmpObjs[i], true, writeQuorums[i],
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disks, err = rename(ctx, disks, bucket, object, minioMetaTmpBucket, tmpObjs[i], true, writeQuorums[i],
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[]error{errFileNotFound, errFileAccessDenied})
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} else {
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disks, err = rename(ctx, xl.getDisks(), bucket, object, minioMetaTmpBucket, tmpObjs[i], true, writeQuorums[i],
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disks, err = rename(ctx, disks, bucket, object, minioMetaTmpBucket, tmpObjs[i], true, writeQuorums[i],
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[]error{errFileNotFound})
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}
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if err != nil {
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@ -776,13 +775,13 @@ func (xl xlObjects) doDeleteObjects(ctx context.Context, bucket string, objects
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continue
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}
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delObjErrs[index], opErrs[index] = cleanupObjectsBulk(disk, minioMetaTmpBucket, tmpObjs, errs)
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if opErrs[index] == errVolumeNotFound {
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if opErrs[index] == errVolumeNotFound || opErrs[index] == errFileNotFound {
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opErrs[index] = nil
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}
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}
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// Return errors if any during deletion
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if err := reduceWriteQuorumErrs(ctx, opErrs, objectOpIgnoredErrs, len(xl.getDisks())/2+1); err != nil {
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if err := reduceWriteQuorumErrs(ctx, opErrs, objectOpIgnoredErrs, len(disks)/2+1); err != nil {
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return nil, err
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}
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@ -791,7 +790,7 @@ func (xl xlObjects) doDeleteObjects(ctx context.Context, bucket string, objects
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if errs[objIndex] != nil {
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continue
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}
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listErrs := make([]error, len(xl.getDisks()))
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listErrs := make([]error, len(disks))
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for i := range delObjErrs {
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if delObjErrs[i] != nil {
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listErrs[i] = delObjErrs[i][objIndex]
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