seaweedfs/weed/filesys/wfs_write.go
Chris Lu 00707ec00f mount: outsideContainerClusterMode proxy through filer
Running mount outside of the cluster would not need to expose all the volume servers to outside of the cluster. The chunk read and write will go through the filer.
2021-01-24 19:01:58 -08:00

75 lines
2.3 KiB
Go

package filesys
import (
"context"
"fmt"
"io"
"github.com/chrislusf/seaweedfs/weed/filer"
"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/util"
)
func (wfs *WFS) saveDataAsChunk(fullPath util.FullPath) filer.SaveDataAsChunkFunctionType {
return func(reader io.Reader, filename string, offset int64) (chunk *filer_pb.FileChunk, collection, replication string, err error) {
var fileId, host string
var auth security.EncodedJwt
if err := wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{
Count: 1,
Replication: wfs.option.Replication,
Collection: wfs.option.Collection,
TtlSec: wfs.option.TtlSec,
DataCenter: wfs.option.DataCenter,
Path: string(fullPath),
}
resp, err := client.AssignVolume(context.Background(), request)
if err != nil {
glog.V(0).Infof("assign volume failure %v: %v", request, err)
return err
}
if resp.Error != "" {
return fmt.Errorf("assign volume failure %v: %v", request, resp.Error)
}
fileId, auth = resp.FileId, security.EncodedJwt(resp.Auth)
loc := &filer_pb.Location{
Url: resp.Url,
PublicUrl: resp.PublicUrl,
}
host = loc.Url
collection, replication = resp.Collection, resp.Replication
return nil
}); err != nil {
return nil, "", "", fmt.Errorf("filerGrpcAddress assign volume: %v", err)
}
fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
if wfs.option.OutsideContainerClusterMode {
fileUrl = fmt.Sprintf("http://%s/?proxyChunkId=%s", wfs.option.FilerAddress, fileId)
}
uploadResult, err, data := operation.Upload(fileUrl, filename, wfs.option.Cipher, reader, false, "", nil, auth)
if err != nil {
glog.V(0).Infof("upload data %v to %s: %v", filename, fileUrl, err)
return nil, "", "", fmt.Errorf("upload data: %v", err)
}
if uploadResult.Error != "" {
glog.V(0).Infof("upload failure %v to %s: %v", filename, fileUrl, err)
return nil, "", "", fmt.Errorf("upload result: %v", uploadResult.Error)
}
wfs.chunkCache.SetChunk(fileId, data)
chunk = uploadResult.ToPbFileChunk(fileId, offset)
return chunk, collection, replication, nil
}
}