func dump5(dataDir string) ([]raftpb.Entry, error) {
wd5 := walDir5(dataDir)
if !wal.Exist(wd5) {
return nil, fmt.Errorf("No wal exists at %s", wd5)
}
w, err := wal.Open(wd5, walpb.Snapshot{})
if err != nil {
return nil, err
}
defer w.Close()
_, _, ents, err := w.ReadAll()
return ents, err
}
func readWAL(waldir string, snap walpb.Snapshot) (w *wal.WAL, id, cid types.ID, st raftpb.HardState, ents []raftpb.Entry) {
var err error
if w, err = wal.Open(waldir, snap); err != nil {
log.Fatalf("etcdserver: open wal error: %v", err)
}
var wmetadata []byte
if wmetadata, st, ents, err = w.ReadAll(); err != nil {
log.Fatalf("etcdserver: read wal error: %v", err)
}
var metadata pb.Metadata
pbutil.MustUnmarshal(&metadata, wmetadata)
id = types.ID(metadata.NodeID)
cid = types.ID(metadata.ClusterID)
return
}