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77 lines
1.9 KiB
77 lines
1.9 KiB
package storage
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import (
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
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"github.com/seaweedfs/seaweedfs/weed/storage/backend"
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_ "github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"github.com/seaweedfs/seaweedfs/weed/storage/types"
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"github.com/seaweedfs/seaweedfs/weed/storage/volume_info"
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)
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func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo {
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return v.volumeInfo
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}
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func (v *Volume) maybeLoadVolumeInfo() (found bool) {
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var err error
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v.volumeInfo, v.hasRemoteFile, found, err = volume_info.MaybeLoadVolumeInfo(v.FileName(".vif"))
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if v.volumeInfo.Version == 0 {
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v.volumeInfo.Version = uint32(needle.CurrentVersion)
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}
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if v.hasRemoteFile {
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glog.V(0).Infof("volume %d is tiered to %s as %s and read only", v.Id,
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v.volumeInfo.Files[0].BackendName(), v.volumeInfo.Files[0].Key)
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} else {
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if v.volumeInfo.BytesOffset == 0 {
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v.volumeInfo.BytesOffset = uint32(types.OffsetSize)
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}
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}
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if v.volumeInfo.BytesOffset != 0 && v.volumeInfo.BytesOffset != uint32(types.OffsetSize) {
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var m string
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if types.OffsetSize == 5 {
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m = "without"
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} else {
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m = "with"
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}
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glog.Exitf("BytesOffset mismatch in volume info file %s, try use binary version %s large_disk", v.FileName(".vif"), m)
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return
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}
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if err != nil {
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glog.Warningf("load volume %d.vif file: %v", v.Id, err)
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return
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}
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return
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}
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func (v *Volume) HasRemoteFile() bool {
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return v.hasRemoteFile
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}
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func (v *Volume) LoadRemoteFile() error {
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tierFile := v.volumeInfo.GetFiles()[0]
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backendStorage := backend.BackendStorages[tierFile.BackendName()]
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if v.DataBackend != nil {
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v.DataBackend.Close()
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}
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v.DataBackend = backendStorage.NewStorageFile(tierFile.Key, v.volumeInfo)
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return nil
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}
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func (v *Volume) SaveVolumeInfo() error {
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tierFileName := v.FileName(".vif")
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return volume_info.SaveVolumeInfo(tierFileName, v.volumeInfo)
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}
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