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package storage
import ( "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb" "github.com/chrislusf/seaweedfs/weed/storage/backend" _ "github.com/chrislusf/seaweedfs/weed/storage/backend/s3_backend" "github.com/chrislusf/seaweedfs/weed/storage/needle" volume_info "github.com/chrislusf/seaweedfs/weed/storage/volume_info" )
func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo { return v.volumeInfo }
func (v *Volume) maybeLoadVolumeInfo() (found bool) {
var err error v.volumeInfo, v.hasRemoteFile, found, err = volume_info.MaybeLoadVolumeInfo(v.FileName(".vif"))
if v.volumeInfo.Version == 0 { v.volumeInfo.Version = uint32(needle.CurrentVersion) }
if v.hasRemoteFile { glog.V(0).Infof("volume %d is tiered to %s as %s and read only", v.Id, v.volumeInfo.Files[0].BackendName(), v.volumeInfo.Files[0].Key) }
if err != nil { glog.Warningf("load volume %d.vif file: %v", v.Id, err) return }
return
}
func (v *Volume) HasRemoteFile() bool { return v.hasRemoteFile }
func (v *Volume) LoadRemoteFile() error { tierFile := v.volumeInfo.GetFiles()[0] backendStorage := backend.BackendStorages[tierFile.BackendName()]
if v.DataBackend != nil { v.DataBackend.Close() }
v.DataBackend = backendStorage.NewStorageFile(tierFile.Key, v.volumeInfo) return nil }
func (v *Volume) SaveVolumeInfo() error {
tierFileName := v.FileName(".vif")
return volume_info.SaveVolumeInfo(tierFileName, v.volumeInfo)
}
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