mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-05 03:29:03 +08:00
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package storage
|
|
|
|
import (
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/backend"
|
|
_ "github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend"
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/needle"
|
|
volume_info "github.com/seaweedfs/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)
|
|
|
|
}
|