mirror of
https://github.com/seaweedfs/seaweedfs.git
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277 lines
8 KiB
Go
277 lines
8 KiB
Go
package weed_server
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"os"
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"strings"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/operation"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/security"
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"github.com/seaweedfs/seaweedfs/weed/stats"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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var (
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OS_UID = uint32(os.Getuid())
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OS_GID = uint32(os.Getgid())
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ErrReadOnly = errors.New("read only")
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)
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type FilerPostResult struct {
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Name string `json:"name,omitempty"`
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Size int64 `json:"size,omitempty"`
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Error string `json:"error,omitempty"`
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}
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func (fs *FilerServer) assignNewFileInfo(so *operation.StorageOption) (fileId, urlLocation string, auth security.EncodedJwt, err error) {
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stats.FilerRequestCounter.WithLabelValues(stats.ChunkAssign).Inc()
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start := time.Now()
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defer func() {
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stats.FilerRequestHistogram.WithLabelValues(stats.ChunkAssign).Observe(time.Since(start).Seconds())
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}()
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ar, altRequest := so.ToAssignRequests(1)
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assignResult, ae := operation.Assign(fs.filer.GetMaster, fs.grpcDialOption, ar, altRequest)
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if ae != nil {
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glog.Errorf("failing to assign a file id: %v", ae)
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err = ae
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return
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}
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fileId = assignResult.Fid
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assignUrl := assignResult.Url
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// Prefer same data center
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if fs.option.DataCenter != "" {
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for _, repl := range assignResult.Replicas {
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if repl.DataCenter == fs.option.DataCenter {
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assignUrl = repl.Url
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break
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}
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}
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}
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urlLocation = "http://" + assignUrl + "/" + assignResult.Fid
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if so.Fsync {
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urlLocation += "?fsync=true"
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}
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auth = assignResult.Auth
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return
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}
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func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request, contentLength int64) {
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ctx := context.Background()
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destination := r.RequestURI
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if finalDestination := r.Header.Get(s3_constants.SeaweedStorageDestinationHeader); finalDestination != "" {
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destination = finalDestination
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}
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query := r.URL.Query()
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so, err := fs.detectStorageOption0(destination,
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query.Get("collection"),
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query.Get("replication"),
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query.Get("ttl"),
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query.Get("disk"),
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query.Get("fsync"),
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query.Get("dataCenter"),
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query.Get("rack"),
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query.Get("dataNode"),
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query.Get("saveInside"),
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)
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if err != nil {
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if err == ErrReadOnly {
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w.WriteHeader(http.StatusInsufficientStorage)
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} else {
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glog.V(1).Infoln("post", r.RequestURI, ":", err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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}
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return
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}
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// When DiskType is empty,use filer's -disk
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if so.DiskType == "" {
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so.DiskType = fs.option.DiskType
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}
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if strings.HasPrefix(r.URL.Path, "/etc") {
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so.SaveInside = true
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}
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if query.Has("mv.from") {
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fs.move(ctx, w, r, so)
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} else {
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fs.autoChunk(ctx, w, r, contentLength, so)
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}
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util.CloseRequest(r)
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}
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func (fs *FilerServer) move(ctx context.Context, w http.ResponseWriter, r *http.Request, so *operation.StorageOption) {
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src := r.URL.Query().Get("mv.from")
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dst := r.URL.Path
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glog.V(2).Infof("FilerServer.move %v to %v", src, dst)
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var err error
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if src, err = clearName(src); err != nil {
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writeJsonError(w, r, http.StatusBadRequest, err)
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return
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}
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if dst, err = clearName(dst); err != nil {
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writeJsonError(w, r, http.StatusBadRequest, err)
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return
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}
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src = strings.TrimRight(src, "/")
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if src == "" {
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err = fmt.Errorf("invalid source '/'")
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writeJsonError(w, r, http.StatusBadRequest, err)
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return
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}
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srcPath := util.FullPath(src)
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dstPath := util.FullPath(dst)
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srcEntry, err := fs.filer.FindEntry(ctx, srcPath)
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if err != nil {
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err = fmt.Errorf("failed to get src entry '%s', err: %s", src, err)
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writeJsonError(w, r, http.StatusBadRequest, err)
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return
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}
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oldDir, oldName := srcPath.DirAndName()
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newDir, newName := dstPath.DirAndName()
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newName = util.Nvl(newName, oldName)
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dstEntry, err := fs.filer.FindEntry(ctx, util.FullPath(strings.TrimRight(dst, "/")))
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if err != nil && err != filer_pb.ErrNotFound {
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err = fmt.Errorf("failed to get dst entry '%s', err: %s", dst, err)
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writeJsonError(w, r, http.StatusInternalServerError, err)
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return
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}
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if err == nil && !dstEntry.IsDirectory() && srcEntry.IsDirectory() {
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err = fmt.Errorf("move: cannot overwrite non-directory '%s' with directory '%s'", dst, src)
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writeJsonError(w, r, http.StatusBadRequest, err)
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return
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}
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_, err = fs.AtomicRenameEntry(ctx, &filer_pb.AtomicRenameEntryRequest{
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OldDirectory: oldDir,
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OldName: oldName,
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NewDirectory: newDir,
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NewName: newName,
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})
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if err != nil {
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err = fmt.Errorf("failed to move entry from '%s' to '%s', err: %s", src, dst, err)
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writeJsonError(w, r, http.StatusBadRequest, err)
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return
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}
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w.WriteHeader(http.StatusNoContent)
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}
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// curl -X DELETE http://localhost:8888/path/to
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// curl -X DELETE http://localhost:8888/path/to?recursive=true
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// curl -X DELETE http://localhost:8888/path/to?recursive=true&ignoreRecursiveError=true
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// curl -X DELETE http://localhost:8888/path/to?recursive=true&skipChunkDeletion=true
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func (fs *FilerServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
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isRecursive := r.FormValue("recursive") == "true"
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if !isRecursive && fs.option.recursiveDelete {
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if r.FormValue("recursive") != "false" {
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isRecursive = true
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}
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}
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ignoreRecursiveError := r.FormValue("ignoreRecursiveError") == "true"
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skipChunkDeletion := r.FormValue("skipChunkDeletion") == "true"
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objectPath := r.URL.Path
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if len(r.URL.Path) > 1 && strings.HasSuffix(objectPath, "/") {
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objectPath = objectPath[0 : len(objectPath)-1]
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}
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err := fs.filer.DeleteEntryMetaAndData(context.Background(), util.FullPath(objectPath), isRecursive, ignoreRecursiveError, !skipChunkDeletion, false, nil)
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if err != nil {
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glog.V(1).Infoln("deleting", objectPath, ":", err.Error())
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httpStatus := http.StatusInternalServerError
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if err == filer_pb.ErrNotFound {
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httpStatus = http.StatusNoContent
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writeJsonQuiet(w, r, httpStatus, nil)
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return
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}
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writeJsonError(w, r, httpStatus, err)
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return
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}
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w.WriteHeader(http.StatusNoContent)
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}
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func (fs *FilerServer) detectStorageOption(requestURI, qCollection, qReplication string, ttlSeconds int32, diskType, dataCenter, rack, dataNode string) (*operation.StorageOption, error) {
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rule := fs.filer.FilerConf.MatchStorageRule(requestURI)
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if rule.ReadOnly {
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return nil, ErrReadOnly
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}
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// required by buckets folder
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bucketDefaultCollection := ""
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if strings.HasPrefix(requestURI, fs.filer.DirBucketsPath+"/") {
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bucketDefaultCollection = fs.filer.DetectBucket(util.FullPath(requestURI))
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}
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if ttlSeconds == 0 {
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ttl, err := needle.ReadTTL(rule.GetTtl())
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if err != nil {
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glog.Errorf("fail to parse %s ttl setting %s: %v", rule.LocationPrefix, rule.Ttl, err)
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}
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ttlSeconds = int32(ttl.Minutes()) * 60
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}
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return &operation.StorageOption{
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Replication: util.Nvl(qReplication, rule.Replication, fs.option.DefaultReplication),
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Collection: util.Nvl(qCollection, rule.Collection, bucketDefaultCollection, fs.option.Collection),
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DataCenter: util.Nvl(dataCenter, rule.DataCenter, fs.option.DataCenter),
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Rack: util.Nvl(rack, rule.Rack, fs.option.Rack),
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DataNode: util.Nvl(dataNode, rule.DataNode, fs.option.DataNode),
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TtlSeconds: ttlSeconds,
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DiskType: util.Nvl(diskType, rule.DiskType),
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Fsync: rule.Fsync,
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VolumeGrowthCount: rule.VolumeGrowthCount,
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}, nil
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}
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func (fs *FilerServer) detectStorageOption0(requestURI, qCollection, qReplication string, qTtl string, diskType string, fsync string, dataCenter, rack, dataNode, saveInside string) (*operation.StorageOption, error) {
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ttl, err := needle.ReadTTL(qTtl)
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if err != nil {
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glog.Errorf("fail to parse ttl %s: %v", qTtl, err)
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}
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so, err := fs.detectStorageOption(requestURI, qCollection, qReplication, int32(ttl.Minutes())*60, diskType, dataCenter, rack, dataNode)
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if so != nil {
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if fsync == "false" {
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so.Fsync = false
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} else if fsync == "true" {
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so.Fsync = true
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}
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if saveInside == "true" {
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so.SaveInside = true
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} else {
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so.SaveInside = false
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}
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}
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return so, err
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}
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