seaweedfs/weed/server/filer_server_handlers_write.go

162 lines
5 KiB
Go

package weed_server
import (
"context"
"errors"
"net/http"
"os"
"strings"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
)
var (
OS_UID = uint32(os.Getuid())
OS_GID = uint32(os.Getgid())
ErrReadOnly = errors.New("read only")
)
type FilerPostResult struct {
Name string `json:"name,omitempty"`
Size int64 `json:"size,omitempty"`
Error string `json:"error,omitempty"`
}
func (fs *FilerServer) assignNewFileInfo(so *operation.StorageOption) (fileId, urlLocation string, auth security.EncodedJwt, err error) {
stats.FilerRequestCounter.WithLabelValues("assign").Inc()
start := time.Now()
defer func() { stats.FilerRequestHistogram.WithLabelValues("assign").Observe(time.Since(start).Seconds()) }()
ar, altRequest := so.ToAssignRequests(1)
assignResult, ae := operation.Assign(fs.filer.GetMaster, fs.grpcDialOption, ar, altRequest)
if ae != nil {
glog.Errorf("failing to assign a file id: %v", ae)
err = ae
return
}
fileId = assignResult.Fid
urlLocation = "http://" + assignResult.Url + "/" + assignResult.Fid
if so.Fsync {
urlLocation += "?fsync=true"
}
auth = assignResult.Auth
return
}
func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request, contentLength int64) {
ctx := context.Background()
query := r.URL.Query()
so, err := fs.detectStorageOption0(r.RequestURI,
query.Get("collection"),
query.Get("replication"),
query.Get("ttl"),
query.Get("disk"),
query.Get("dataCenter"),
query.Get("rack"),
)
if err != nil {
if err == ErrReadOnly {
w.WriteHeader(http.StatusInsufficientStorage)
} else {
glog.V(1).Infoln("post", r.RequestURI, ":", err.Error())
w.WriteHeader(http.StatusInternalServerError)
}
return
}
fs.autoChunk(ctx, w, r, contentLength, so)
util.CloseRequest(r)
}
// curl -X DELETE http://localhost:8888/path/to
// curl -X DELETE http://localhost:8888/path/to?recursive=true
// curl -X DELETE http://localhost:8888/path/to?recursive=true&ignoreRecursiveError=true
// curl -X DELETE http://localhost:8888/path/to?recursive=true&skipChunkDeletion=true
func (fs *FilerServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
isRecursive := r.FormValue("recursive") == "true"
if !isRecursive && fs.option.recursiveDelete {
if r.FormValue("recursive") != "false" {
isRecursive = true
}
}
ignoreRecursiveError := r.FormValue("ignoreRecursiveError") == "true"
skipChunkDeletion := r.FormValue("skipChunkDeletion") == "true"
objectPath := r.URL.Path
if len(r.URL.Path) > 1 && strings.HasSuffix(objectPath, "/") {
objectPath = objectPath[0 : len(objectPath)-1]
}
err := fs.filer.DeleteEntryMetaAndData(context.Background(), util.FullPath(objectPath), isRecursive, ignoreRecursiveError, !skipChunkDeletion, false, nil)
if err != nil {
glog.V(1).Infoln("deleting", objectPath, ":", err.Error())
httpStatus := http.StatusInternalServerError
if err == filer_pb.ErrNotFound {
httpStatus = http.StatusNoContent
}
writeJsonError(w, r, httpStatus, err)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (fs *FilerServer) detectStorageOption(requestURI, qCollection, qReplication string, ttlSeconds int32, diskType, dataCenter, rack string) (*operation.StorageOption, error) {
rule := fs.filer.FilerConf.MatchStorageRule(requestURI)
if rule.ReadOnly {
return nil, ErrReadOnly
}
// required by buckets folder
bucketDefaultCollection, bucketDefaultReplication, fsync := "", "", false
if strings.HasPrefix(requestURI, fs.filer.DirBucketsPath+"/") {
bucketDefaultCollection = fs.filer.DetectBucket(util.FullPath(requestURI))
bucketDefaultReplication, fsync = fs.filer.ReadBucketOption(bucketDefaultCollection)
}
if ttlSeconds == 0 {
ttl, err := needle.ReadTTL(rule.GetTtl())
if err != nil {
glog.Errorf("fail to parse %s ttl setting %s: %v", rule.LocationPrefix, rule.Ttl, err)
}
ttlSeconds = int32(ttl.Minutes()) * 60
}
return &operation.StorageOption{
Replication: util.Nvl(qReplication, rule.Replication, bucketDefaultReplication, fs.option.DefaultReplication),
Collection: util.Nvl(qCollection, rule.Collection, bucketDefaultCollection, fs.option.Collection),
DataCenter: util.Nvl(dataCenter, fs.option.DataCenter),
Rack: util.Nvl(rack, fs.option.Rack),
TtlSeconds: ttlSeconds,
DiskType: util.Nvl(diskType, rule.DiskType),
Fsync: fsync || rule.Fsync,
VolumeGrowthCount: rule.VolumeGrowthCount,
}, nil
}
func (fs *FilerServer) detectStorageOption0(requestURI, qCollection, qReplication string, qTtl string, diskType string, dataCenter, rack string) (*operation.StorageOption, error) {
ttl, err := needle.ReadTTL(qTtl)
if err != nil {
glog.Errorf("fail to parse ttl %s: %v", qTtl, err)
}
return fs.detectStorageOption(requestURI, qCollection, qReplication, int32(ttl.Minutes())*60, diskType, dataCenter, rack)
}