mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
package weed_server
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/remote_storage"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/needle"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/types"
|
|
)
|
|
|
|
func (vs *VolumeServer) FetchAndWriteNeedle(ctx context.Context, req *volume_server_pb.FetchAndWriteNeedleRequest) (resp *volume_server_pb.FetchAndWriteNeedleResponse, err error) {
|
|
resp = &volume_server_pb.FetchAndWriteNeedleResponse{}
|
|
v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
|
|
if v == nil {
|
|
return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
|
|
}
|
|
|
|
remoteConf := &filer_pb.RemoteConf{
|
|
Type: req.RemoteType,
|
|
Name: req.RemoteName,
|
|
S3AccessKey: req.S3AccessKey,
|
|
S3SecretKey: req.S3SecretKey,
|
|
S3Region: req.S3Region,
|
|
S3Endpoint: req.S3Endpoint,
|
|
}
|
|
|
|
client, getClientErr := remote_storage.GetRemoteStorage(remoteConf)
|
|
if getClientErr != nil {
|
|
return nil, fmt.Errorf("get remote client: %v", getClientErr)
|
|
}
|
|
|
|
remoteStorageLocation := &filer_pb.RemoteStorageLocation{
|
|
Name: req.RemoteName,
|
|
Bucket: req.RemoteBucket,
|
|
Path: req.RemoteKey,
|
|
}
|
|
data, ReadRemoteErr := client.ReadFile(remoteStorageLocation, req.Offset, req.Size)
|
|
if ReadRemoteErr != nil {
|
|
return nil, fmt.Errorf("read from remote %+v: %v", remoteStorageLocation, ReadRemoteErr)
|
|
}
|
|
|
|
if err = v.WriteNeedleBlob(types.NeedleId(req.NeedleId), data, types.Size(req.Size)); err != nil {
|
|
return nil, fmt.Errorf("write blob needle %d size %d: %v", req.NeedleId, req.Size, err)
|
|
}
|
|
|
|
return resp, nil
|
|
}
|