You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
901 lines
28 KiB
901 lines
28 KiB
/*
|
|
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"bufio"
|
|
"encoding/gob"
|
|
"encoding/hex"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"os/user"
|
|
"path"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
jwtreq "github.com/dgrijalva/jwt-go/request"
|
|
"github.com/gorilla/mux"
|
|
"github.com/minio/minio/cmd/config"
|
|
xhttp "github.com/minio/minio/cmd/http"
|
|
xjwt "github.com/minio/minio/cmd/jwt"
|
|
"github.com/minio/minio/cmd/logger"
|
|
)
|
|
|
|
var errDiskStale = errors.New("disk stale")
|
|
|
|
// To abstract a disk over network.
|
|
type storageRESTServer struct {
|
|
storage *xlStorage
|
|
}
|
|
|
|
func (s *storageRESTServer) writeErrorResponse(w http.ResponseWriter, err error) {
|
|
if errors.Is(err, errDiskStale) {
|
|
w.WriteHeader(http.StatusPreconditionFailed)
|
|
} else {
|
|
w.WriteHeader(http.StatusForbidden)
|
|
}
|
|
w.Write([]byte(err.Error()))
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// DefaultSkewTime - skew time is 15 minutes between minio peers.
|
|
const DefaultSkewTime = 15 * time.Minute
|
|
|
|
// Authenticates storage client's requests and validates for skewed time.
|
|
func storageServerRequestValidate(r *http.Request) error {
|
|
token, err := jwtreq.AuthorizationHeaderExtractor.ExtractToken(r)
|
|
if err != nil {
|
|
if err == jwtreq.ErrNoTokenInRequest {
|
|
return errNoAuthToken
|
|
}
|
|
return err
|
|
}
|
|
|
|
claims := xjwt.NewStandardClaims()
|
|
if err = xjwt.ParseWithStandardClaims(token, claims, []byte(globalActiveCred.SecretKey)); err != nil {
|
|
return errAuthentication
|
|
}
|
|
|
|
owner := claims.AccessKey == globalActiveCred.AccessKey || claims.Subject == globalActiveCred.AccessKey
|
|
if !owner {
|
|
return errAuthentication
|
|
}
|
|
|
|
if claims.Audience != r.URL.Query().Encode() {
|
|
return errAuthentication
|
|
}
|
|
|
|
requestTimeStr := r.Header.Get("X-Minio-Time")
|
|
requestTime, err := time.Parse(time.RFC3339, requestTimeStr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
utcNow := UTCNow()
|
|
delta := requestTime.Sub(utcNow)
|
|
if delta < 0 {
|
|
delta *= -1
|
|
}
|
|
if delta > DefaultSkewTime {
|
|
return fmt.Errorf("client time %v is too apart with server time %v", requestTime, utcNow)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// IsValid - To authenticate and verify the time difference.
|
|
func (s *storageRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
|
|
if err := storageServerRequestValidate(r); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return false
|
|
}
|
|
diskID := r.URL.Query().Get(storageRESTDiskID)
|
|
if diskID == "" {
|
|
// Request sent empty disk-id, we allow the request
|
|
// as the peer might be coming up and trying to read format.json
|
|
// or create format.json
|
|
return true
|
|
}
|
|
storedDiskID, err := s.storage.GetDiskID()
|
|
if err == nil && diskID == storedDiskID {
|
|
// If format.json is available and request sent the right disk-id, we allow the request
|
|
return true
|
|
}
|
|
s.writeErrorResponse(w, errDiskStale)
|
|
return false
|
|
}
|
|
|
|
// HealthHandler handler checks if disk is stale
|
|
func (s *storageRESTServer) HealthHandler(w http.ResponseWriter, r *http.Request) {
|
|
s.IsValid(w, r)
|
|
}
|
|
|
|
// DiskInfoHandler - returns disk info.
|
|
func (s *storageRESTServer) DiskInfoHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
info, err := s.storage.DiskInfo()
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer w.(http.Flusher).Flush()
|
|
gob.NewEncoder(w).Encode(info)
|
|
}
|
|
|
|
func (s *storageRESTServer) CrawlAndGetDataUsageHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
|
|
w.Header().Set(xhttp.ContentType, "text/event-stream")
|
|
var cache dataUsageCache
|
|
err := cache.deserialize(r.Body)
|
|
if err != nil {
|
|
logger.LogIf(r.Context(), err)
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
done := keepHTTPResponseAlive(w)
|
|
usageInfo, err := s.storage.CrawlAndGetDataUsage(r.Context(), cache)
|
|
|
|
done(err)
|
|
if err != nil {
|
|
return
|
|
}
|
|
w.Write(usageInfo.serialize())
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// MakeVolHandler - make a volume.
|
|
func (s *storageRESTServer) MakeVolHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
err := s.storage.MakeVol(volume)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// MakeVolBulkHandler - create multiple volumes as a bulk operation.
|
|
func (s *storageRESTServer) MakeVolBulkHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volumes := strings.Split(vars[storageRESTVolumes], ",")
|
|
err := s.storage.MakeVolBulk(volumes...)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// ListVolsHandler - list volumes.
|
|
func (s *storageRESTServer) ListVolsHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
infos, err := s.storage.ListVols()
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
gob.NewEncoder(w).Encode(&infos)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// StatVolHandler - stat a volume.
|
|
func (s *storageRESTServer) StatVolHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
info, err := s.storage.StatVol(volume)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
gob.NewEncoder(w).Encode(info)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// DeleteVolumeHandler - delete a volume.
|
|
func (s *storageRESTServer) DeleteVolHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
forceDelete := vars[storageRESTForceDelete] == "true"
|
|
err := s.storage.DeleteVol(volume, forceDelete)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// AppendFileHandler - append data from the request to the file specified.
|
|
func (s *storageRESTServer) AppendFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
buf := make([]byte, r.ContentLength)
|
|
_, err := io.ReadFull(r.Body, buf)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
err = s.storage.AppendFile(volume, filePath, buf)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// CreateFileHandler - fallocate() space for a file and copy the contents from the request.
|
|
func (s *storageRESTServer) CreateFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
fileSizeStr := vars[storageRESTLength]
|
|
fileSize, err := strconv.Atoi(fileSizeStr)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
err = s.storage.CreateFile(volume, filePath, int64(fileSize), r.Body)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// DeleteVersion delete updated metadata.
|
|
func (s *storageRESTServer) DeleteVersionHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
var fi FileInfo
|
|
decoder := gob.NewDecoder(r.Body)
|
|
if err := decoder.Decode(&fi); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
err := s.storage.DeleteVersion(volume, filePath, fi)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// ReadVersion delete updated metadata.
|
|
func (s *storageRESTServer) ReadVersionHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
versionID := vars[storageRESTVersionID]
|
|
|
|
fi, err := s.storage.ReadVersion(volume, filePath, versionID)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
gob.NewEncoder(w).Encode(fi)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// WriteMetadata write new updated metadata.
|
|
func (s *storageRESTServer) WriteMetadataHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
if r.ContentLength < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
|
|
var fi FileInfo
|
|
err := gob.NewDecoder(r.Body).Decode(&fi)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
err = s.storage.WriteMetadata(volume, filePath, fi)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// WriteAllHandler - write to file all content.
|
|
func (s *storageRESTServer) WriteAllHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
if r.ContentLength < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
|
|
err := s.storage.WriteAll(volume, filePath, io.LimitReader(r.Body, r.ContentLength))
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// CheckPartsHandler - check if a file metadata exists.
|
|
func (s *storageRESTServer) CheckPartsHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
if r.ContentLength < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
|
|
var fi FileInfo
|
|
if err := gob.NewDecoder(r.Body).Decode(&fi); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
if err := s.storage.CheckParts(volume, filePath, fi); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// CheckFileHandler - check if a file metadata exists.
|
|
func (s *storageRESTServer) CheckFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
if err := s.storage.CheckFile(volume, filePath); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// ReadAllHandler - read all the contents of a file.
|
|
func (s *storageRESTServer) ReadAllHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
buf, err := s.storage.ReadAll(volume, filePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
w.Header().Set(xhttp.ContentLength, strconv.Itoa(len(buf)))
|
|
w.Write(buf)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// ReadFileHandler - read section of a file.
|
|
func (s *storageRESTServer) ReadFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
offset, err := strconv.Atoi(vars[storageRESTOffset])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
length, err := strconv.Atoi(vars[storageRESTLength])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
if offset < 0 || length < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
var verifier *BitrotVerifier
|
|
if vars[storageRESTBitrotAlgo] != "" {
|
|
hashStr := vars[storageRESTBitrotHash]
|
|
var hash []byte
|
|
hash, err = hex.DecodeString(hashStr)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
verifier = NewBitrotVerifier(BitrotAlgorithmFromString(vars[storageRESTBitrotAlgo]), hash)
|
|
}
|
|
buf := make([]byte, length)
|
|
_, err = s.storage.ReadFile(volume, filePath, int64(offset), buf, verifier)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
w.Header().Set(xhttp.ContentLength, strconv.Itoa(len(buf)))
|
|
w.Write(buf)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// ReadFileHandler - read section of a file.
|
|
func (s *storageRESTServer) ReadFileStreamHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
offset, err := strconv.Atoi(vars[storageRESTOffset])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
length, err := strconv.Atoi(vars[storageRESTLength])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
rc, err := s.storage.ReadFileStream(volume, filePath, int64(offset), int64(length))
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer rc.Close()
|
|
|
|
w.Header().Set(xhttp.ContentLength, strconv.Itoa(length))
|
|
|
|
io.Copy(w, rc)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// WalkHandler - remote caller to start walking at a requested directory path.
|
|
func (s *storageRESTServer) WalkSplunkHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
dirPath := vars[storageRESTDirPath]
|
|
markerPath := vars[storageRESTMarkerPath]
|
|
|
|
w.Header().Set(xhttp.ContentType, "text/event-stream")
|
|
encoder := gob.NewEncoder(w)
|
|
|
|
fch, err := s.storage.WalkSplunk(volume, dirPath, markerPath, r.Context().Done())
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
for fi := range fch {
|
|
encoder.Encode(&fi)
|
|
}
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// WalkVersionsHandler - remote caller to start walking at a requested directory path.
|
|
func (s *storageRESTServer) WalkVersionsHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
dirPath := vars[storageRESTDirPath]
|
|
markerPath := vars[storageRESTMarkerPath]
|
|
recursive, err := strconv.ParseBool(vars[storageRESTRecursive])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
w.Header().Set(xhttp.ContentType, "text/event-stream")
|
|
encoder := gob.NewEncoder(w)
|
|
|
|
fch, err := s.storage.WalkVersions(volume, dirPath, markerPath, recursive, r.Context().Done())
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
for fi := range fch {
|
|
encoder.Encode(&fi)
|
|
}
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// WalkHandler - remote caller to start walking at a requested directory path.
|
|
func (s *storageRESTServer) WalkHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
dirPath := vars[storageRESTDirPath]
|
|
markerPath := vars[storageRESTMarkerPath]
|
|
recursive, err := strconv.ParseBool(vars[storageRESTRecursive])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
w.Header().Set(xhttp.ContentType, "text/event-stream")
|
|
encoder := gob.NewEncoder(w)
|
|
|
|
fch, err := s.storage.Walk(volume, dirPath, markerPath, recursive, r.Context().Done())
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
for fi := range fch {
|
|
encoder.Encode(&fi)
|
|
}
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// ListDirHandler - list a directory.
|
|
func (s *storageRESTServer) ListDirHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
dirPath := vars[storageRESTDirPath]
|
|
count, err := strconv.Atoi(vars[storageRESTCount])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
entries, err := s.storage.ListDir(volume, dirPath, count)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
gob.NewEncoder(w).Encode(&entries)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// DeleteFileHandler - delete a file.
|
|
func (s *storageRESTServer) DeleteFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
err := s.storage.DeleteFile(volume, filePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// DeleteVersionsErrsResp - collection of delete errors
|
|
// for bulk version deletes
|
|
type DeleteVersionsErrsResp struct {
|
|
Errs []error
|
|
}
|
|
|
|
// DeleteVersionsHandler - delete a set of a versions.
|
|
func (s *storageRESTServer) DeleteVersionsHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
|
|
vars := r.URL.Query()
|
|
volume := vars.Get(storageRESTVolume)
|
|
|
|
totalVersions, err := strconv.Atoi(vars.Get(storageRESTTotalVersions))
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
versions := make([]FileInfo, totalVersions)
|
|
decoder := gob.NewDecoder(r.Body)
|
|
for i := 0; i < totalVersions; i++ {
|
|
if err := decoder.Decode(&versions[i]); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
}
|
|
|
|
dErrsResp := &DeleteVersionsErrsResp{Errs: make([]error, totalVersions)}
|
|
|
|
w.Header().Set(xhttp.ContentType, "text/event-stream")
|
|
encoder := gob.NewEncoder(w)
|
|
done := keepHTTPResponseAlive(w)
|
|
errs := s.storage.DeleteVersions(volume, versions)
|
|
done(nil)
|
|
for idx := range versions {
|
|
if errs[idx] != nil {
|
|
dErrsResp.Errs[idx] = StorageErr(errs[idx].Error())
|
|
}
|
|
}
|
|
encoder.Encode(dErrsResp)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// RenameDataHandler - renames a meta object and data dir to destination.
|
|
func (s *storageRESTServer) RenameDataHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
srcVolume := vars[storageRESTSrcVolume]
|
|
srcFilePath := vars[storageRESTSrcPath]
|
|
dataDir := vars[storageRESTDataDir]
|
|
dstVolume := vars[storageRESTDstVolume]
|
|
dstFilePath := vars[storageRESTDstPath]
|
|
err := s.storage.RenameData(srcVolume, srcFilePath, dataDir, dstVolume, dstFilePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// RenameFileHandler - rename a file.
|
|
func (s *storageRESTServer) RenameFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
srcVolume := vars[storageRESTSrcVolume]
|
|
srcFilePath := vars[storageRESTSrcPath]
|
|
dstVolume := vars[storageRESTDstVolume]
|
|
dstFilePath := vars[storageRESTDstPath]
|
|
err := s.storage.RenameFile(srcVolume, srcFilePath, dstVolume, dstFilePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// keepHTTPResponseAlive can be used to avoid timeouts with long storage
|
|
// operations, such as bitrot verification or data usage crawling.
|
|
// Every 10 seconds a space character is sent.
|
|
// The returned function should always be called to release resources.
|
|
// An optional error can be sent which will be picked as text only error,
|
|
// without its original type by the receiver.
|
|
// waitForHTTPResponse should be used to the receiving side.
|
|
func keepHTTPResponseAlive(w http.ResponseWriter) func(error) {
|
|
doneCh := make(chan error)
|
|
go func() {
|
|
defer close(doneCh)
|
|
ticker := time.NewTicker(time.Second * 10)
|
|
for {
|
|
select {
|
|
case <-ticker.C:
|
|
// Response not ready, write a filler byte.
|
|
w.Write([]byte{32})
|
|
w.(http.Flusher).Flush()
|
|
case err := <-doneCh:
|
|
if err != nil {
|
|
w.Write([]byte{1})
|
|
w.Write([]byte(err.Error()))
|
|
} else {
|
|
w.Write([]byte{0})
|
|
}
|
|
ticker.Stop()
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
return func(err error) {
|
|
if doneCh == nil {
|
|
return
|
|
}
|
|
// Indicate we are ready to write.
|
|
doneCh <- err
|
|
|
|
// Wait for channel to be closed so we don't race on writes.
|
|
<-doneCh
|
|
|
|
// Clear so we can be called multiple times without crashing.
|
|
doneCh = nil
|
|
}
|
|
}
|
|
|
|
// waitForHTTPResponse will wait for responses where keepHTTPResponseAlive
|
|
// has been used.
|
|
// The returned reader contains the payload.
|
|
func waitForHTTPResponse(respBody io.Reader) (io.Reader, error) {
|
|
reader := bufio.NewReader(respBody)
|
|
for {
|
|
b, err := reader.ReadByte()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Check if we have a response ready or a filler byte.
|
|
switch b {
|
|
case 0:
|
|
return reader, nil
|
|
case 1:
|
|
errorText, err := ioutil.ReadAll(reader)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return nil, errors.New(string(errorText))
|
|
case 32:
|
|
continue
|
|
default:
|
|
return nil, fmt.Errorf("unexpected filler byte: %d", b)
|
|
}
|
|
}
|
|
}
|
|
|
|
// VerifyFileResp - VerifyFile()'s response.
|
|
type VerifyFileResp struct {
|
|
Err error
|
|
}
|
|
|
|
// VerifyFileHandler - Verify all part of file for bitrot errors.
|
|
func (s *storageRESTServer) VerifyFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
if r.ContentLength < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
|
|
var fi FileInfo
|
|
err := gob.NewDecoder(r.Body).Decode(&fi)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
w.Header().Set(xhttp.ContentType, "text/event-stream")
|
|
encoder := gob.NewEncoder(w)
|
|
done := keepHTTPResponseAlive(w)
|
|
err = s.storage.VerifyFile(volume, filePath, fi)
|
|
done(nil)
|
|
vresp := &VerifyFileResp{}
|
|
if err != nil {
|
|
vresp.Err = StorageErr(err.Error())
|
|
}
|
|
encoder.Encode(vresp)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// registerStorageRPCRouter - register storage rpc router.
|
|
func registerStorageRESTHandlers(router *mux.Router, endpointZones EndpointZones) {
|
|
for _, ep := range endpointZones {
|
|
for _, endpoint := range ep.Endpoints {
|
|
if !endpoint.IsLocal {
|
|
continue
|
|
}
|
|
storage, err := newXLStorage(endpoint.Path, endpoint.Host)
|
|
if err != nil {
|
|
if err == errMinDiskSize {
|
|
logger.Fatal(config.ErrUnableToWriteInBackend(err).Hint(err.Error()), "Unable to initialize backend")
|
|
} else if err == errUnsupportedDisk {
|
|
hint := fmt.Sprintf("'%s' does not support O_DIRECT flags, refusing to use", endpoint.Path)
|
|
logger.Fatal(config.ErrUnsupportedBackend(err).Hint(hint), "Unable to initialize backend")
|
|
}
|
|
// Show a descriptive error with a hint about how to fix it.
|
|
var username string
|
|
if u, err := user.Current(); err == nil {
|
|
username = u.Username
|
|
} else {
|
|
username = "<your-username>"
|
|
}
|
|
hint := fmt.Sprintf("Run the following command to add the convenient permissions: `sudo chown -R %s %s && sudo chmod u+rxw %s`", username, endpoint.Path, endpoint.Path)
|
|
logger.Fatal(config.ErrUnableToWriteInBackend(err).Hint(hint), "Unable to initialize posix backend")
|
|
}
|
|
|
|
server := &storageRESTServer{storage: storage}
|
|
|
|
subrouter := router.PathPrefix(path.Join(storageRESTPrefix, endpoint.Path)).Subrouter()
|
|
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodHealth).HandlerFunc(httpTraceHdrs(server.HealthHandler))
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDiskInfo).HandlerFunc(httpTraceHdrs(server.DiskInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodCrawlAndGetDataUsage).HandlerFunc(httpTraceHdrs(server.CrawlAndGetDataUsageHandler))
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodMakeVol).HandlerFunc(httpTraceHdrs(server.MakeVolHandler)).Queries(restQueries(storageRESTVolume)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodMakeVolBulk).HandlerFunc(httpTraceHdrs(server.MakeVolBulkHandler)).Queries(restQueries(storageRESTVolumes)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodStatVol).HandlerFunc(httpTraceHdrs(server.StatVolHandler)).Queries(restQueries(storageRESTVolume)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDeleteVol).HandlerFunc(httpTraceHdrs(server.DeleteVolHandler)).Queries(restQueries(storageRESTVolume)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodListVols).HandlerFunc(httpTraceHdrs(server.ListVolsHandler))
|
|
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodAppendFile).HandlerFunc(httpTraceHdrs(server.AppendFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodWriteAll).HandlerFunc(httpTraceHdrs(server.WriteAllHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodWriteMetadata).HandlerFunc(httpTraceHdrs(server.WriteMetadataHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDeleteVersion).HandlerFunc(httpTraceHdrs(server.DeleteVersionHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTVersionID, storageRESTDeleteMarker)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodReadVersion).HandlerFunc(httpTraceHdrs(server.ReadVersionHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTVersionID)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodRenameData).HandlerFunc(httpTraceHdrs(server.RenameDataHandler)).
|
|
Queries(restQueries(storageRESTSrcVolume, storageRESTSrcPath, storageRESTDataDir,
|
|
storageRESTDstVolume, storageRESTDstPath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodCreateFile).HandlerFunc(httpTraceHdrs(server.CreateFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTLength)...)
|
|
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodCheckFile).HandlerFunc(httpTraceHdrs(server.CheckFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodCheckParts).HandlerFunc(httpTraceHdrs(server.CheckPartsHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodReadAll).HandlerFunc(httpTraceHdrs(server.ReadAllHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodReadFile).HandlerFunc(httpTraceHdrs(server.ReadFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength, storageRESTBitrotAlgo, storageRESTBitrotHash)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodReadFileStream).HandlerFunc(httpTraceHdrs(server.ReadFileStreamHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodListDir).HandlerFunc(httpTraceHdrs(server.ListDirHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTCount)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodWalk).HandlerFunc(httpTraceHdrs(server.WalkHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTMarkerPath, storageRESTRecursive)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodWalkSplunk).HandlerFunc(httpTraceHdrs(server.WalkSplunkHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTMarkerPath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodWalkVersions).HandlerFunc(httpTraceHdrs(server.WalkVersionsHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTMarkerPath)...)
|
|
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDeleteVersions).HandlerFunc(httpTraceHdrs(server.DeleteVersionsHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTTotalVersions)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodDeleteFile).HandlerFunc(httpTraceHdrs(server.DeleteFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodRenameFile).HandlerFunc(httpTraceHdrs(server.RenameFileHandler)).
|
|
Queries(restQueries(storageRESTSrcVolume, storageRESTSrcPath, storageRESTDstVolume, storageRESTDstPath)...)
|
|
subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodVerifyFile).HandlerFunc(httpTraceHdrs(server.VerifyFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
}
|
|
}
|
|
}
|
|
|