support POST and PUT auto chunking

weed/server/filer_server_handlers_write_autochunk.go

@@ -3,6 +3,7 @@ package weed_server
 import (
 	"context"
 	"crypto/md5"
+	"hash"
 	"io"
 	"io/ioutil"
 	"net/http"
@@ -22,10 +23,6 @@ import (
 
 func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request,
 	replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) bool {
-	if r.Method != "POST" {
-		glog.V(4).Infoln("AutoChunking not supported for method", r.Method)
-		return false
-	}
 
 	// autoChunking can be set at the command-line level or as a query param. Query param overrides command-line
 	query := r.URL.Query()
@@ -57,7 +54,19 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *
 		return false
 	}
 
-	reply, err := fs.doPostAutoChunk(ctx, w, r, contentLength, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync)
+	stats.FilerRequestCounter.WithLabelValues("postAutoChunk").Inc()
+	start := time.Now()
+	defer func() {
+		stats.FilerRequestHistogram.WithLabelValues("postAutoChunk").Observe(time.Since(start).Seconds())
+	}()
+
+	var reply *FilerPostResult
+	var err error
+	if r.Method == "POST" {
+		reply, err = fs.doPostAutoChunk(ctx, w, r, contentLength, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync)
+	} else {
+		reply, err = fs.doPutAutoChunk(ctx, w, r, contentLength, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync)
+	}
 	if err != nil {
 		writeJsonError(w, r, http.StatusInternalServerError, err)
 	} else if reply != nil {
@@ -69,12 +78,6 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *
 func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request,
 	contentLength int64, chunkSize int32, replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, replyerr error) {
 
-	stats.FilerRequestCounter.WithLabelValues("postAutoChunk").Inc()
-	start := time.Now()
-	defer func() {
-		stats.FilerRequestHistogram.WithLabelValues("postAutoChunk").Observe(time.Since(start).Seconds())
-	}()
-
 	multipartReader, multipartReaderErr := r.MultipartReader()
 	if multipartReaderErr != nil {
 		return nil, multipartReaderErr
@@ -90,46 +93,36 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite
 		fileName = path.Base(fileName)
 	}
 	contentType := part1.Header.Get("Content-Type")
+	if contentType == "application/octet-stream" {
+		contentType = ""
+	}
 
-	var fileChunks []*filer_pb.FileChunk
-
-	md5Hash := md5.New()
-	var partReader = ioutil.NopCloser(io.TeeReader(part1, md5Hash))
-
-	chunkOffset := int64(0)
-
-	for chunkOffset < contentLength {
-		limitedReader := io.LimitReader(partReader, int64(chunkSize))
-
-		// assign one file id for one chunk
-		fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync)
-		if assignErr != nil {
-			return nil, assignErr
+	fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, part1, contentLength, chunkSize, replication, collection, dataCenter, ttlString, fileName, contentType, fsync)
+	if err != nil {
+		return nil, err
 	}
 
-		// upload the chunk to the volume server
-		uploadResult, uploadErr := fs.doUpload(urlLocation, w, r, limitedReader, fileName, contentType, nil, auth)
-		if uploadErr != nil {
-			return nil, uploadErr
+	fileChunks, replyerr = filer2.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, ttlString, fsync), fileChunks)
+	if replyerr != nil {
+		glog.V(0).Infof("manifestize %s: %v", r.RequestURI, replyerr)
+		return
 	}
 
-		// if last chunk exhausted the reader exactly at the border
-		if uploadResult.Size == 0 {
-			break
+	filerResult, replyerr = fs.saveMetaData(ctx, r, fileName, replication, collection, ttlSec, contentType, md5Hash, fileChunks, chunkOffset)
+
+	return
 }
 
-		// Save to chunk manifest structure
-		fileChunks = append(fileChunks, uploadResult.ToPbFileChunk(fileId, chunkOffset))
 
-		glog.V(4).Infof("uploaded %s chunk %d to %s [%d,%d) of %d", fileName, len(fileChunks), fileId, chunkOffset, chunkOffset+int64(uploadResult.Size), contentLength)
+func (fs *FilerServer) doPutAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request,
+	contentLength int64, chunkSize int32, replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, replyerr error) {
 
-		// reset variables for the next chunk
-		chunkOffset = chunkOffset + int64(uploadResult.Size)
+	fileName := ""
+	contentType := ""
 
-		// if last chunk was not at full chunk size, but already exhausted the reader
-		if int64(uploadResult.Size) < int64(chunkSize) {
-			break
-		}
+	fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, r.Body, contentLength, chunkSize, replication, collection, dataCenter, ttlString, fileName, contentType, fsync)
+	if err != nil {
+		return nil, err
 	}
 
 	fileChunks, replyerr = filer2.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, ttlString, fsync), fileChunks)
@@ -138,6 +131,12 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite
 		return
 	}
 
+	filerResult, replyerr = fs.saveMetaData(ctx, r, fileName, replication, collection, ttlSec, contentType, md5Hash, fileChunks, chunkOffset)
+
+	return
+}
+
+func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileName string, replication string, collection string, ttlSec int32, contentType string, md5Hash hash.Hash, fileChunks []*filer_pb.FileChunk, chunkOffset int64) (filerResult *FilerPostResult, replyerr error) {
 	path := r.URL.Path
 	if strings.HasSuffix(path, "/") {
 		if fileName != "" {
@@ -173,10 +172,52 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite
 		replyerr = dbErr
 		filerResult.Error = dbErr.Error()
 		glog.V(0).Infof("failing to write %s to filer server : %v", path, dbErr)
-		return
+	}
+	return filerResult, replyerr
 }
 
-	return
+func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, contentLength int64, chunkSize int32, replication string, collection string, dataCenter string, ttlString string, fileName string, contentType string, fsync bool) ([]*filer_pb.FileChunk, hash.Hash, int64, error) {
+	var fileChunks []*filer_pb.FileChunk
+
+	md5Hash := md5.New()
+	var partReader = ioutil.NopCloser(io.TeeReader(reader, md5Hash))
+
+	chunkOffset := int64(0)
+
+	for chunkOffset < contentLength {
+		limitedReader := io.LimitReader(partReader, int64(chunkSize))
+
+		// assign one file id for one chunk
+		fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync)
+		if assignErr != nil {
+			return nil, nil, 0, assignErr
+		}
+
+		// upload the chunk to the volume server
+		uploadResult, uploadErr := fs.doUpload(urlLocation, w, r, limitedReader, fileName, contentType, nil, auth)
+		if uploadErr != nil {
+			return nil, nil, 0, uploadErr
+		}
+
+		// if last chunk exhausted the reader exactly at the border
+		if uploadResult.Size == 0 {
+			break
+		}
+
+		// Save to chunk manifest structure
+		fileChunks = append(fileChunks, uploadResult.ToPbFileChunk(fileId, chunkOffset))
+
+		glog.V(4).Infof("uploaded %s chunk %d to %s [%d,%d) of %d", fileName, len(fileChunks), fileId, chunkOffset, chunkOffset+int64(uploadResult.Size), contentLength)
+
+		// reset variables for the next chunk
+		chunkOffset = chunkOffset + int64(uploadResult.Size)
+
+		// if last chunk was not at full chunk size, but already exhausted the reader
+		if int64(uploadResult.Size) < int64(chunkSize) {
+			break
+		}
+	}
+	return fileChunks, md5Hash, chunkOffset, nil
 }
 
 func (fs *FilerServer) doUpload(urlLocation string, w http.ResponseWriter, r *http.Request, limitedReader io.Reader, fileName string, contentType string, pairMap map[string]string, auth security.EncodedJwt) (*operation.UploadResult, error) {