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etcdserver: clarify errors from "openSnapshotBackend"

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee
2018-05-02 14:17:22 -07:00
parent e2af59e4d1
commit 47ab4e22d2
1 changed files with 2 additions and 2 deletions
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4
etcdserver/backend.go
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@ -42,10 +42,10 @@ func newBackend(cfg ServerConfig) backend.Backend {
func openSnapshotBackend(cfg ServerConfig, ss *raftsnap.Snapshotter, snapshot raftpb.Snapshot) (backend.Backend, error) {
snapPath, err := ss.DBFilePath(snapshot.Metadata.Index)
if err != nil {
return nil, fmt.Errorf("database snapshot file path error: %v", err)
return nil, fmt.Errorf("failed to find database snapshot file (%v)", err)
}
if err := os.Rename(snapPath, cfg.backendPath()); err != nil {
return nil, fmt.Errorf("rename snapshot file error: %v", err)
return nil, fmt.Errorf("failed to rename database snapshot file (%v)", err)
}
return openBackend(cfg), nil
}