Example #1
0
func startNode(cfg *ServerConfig, ids []types.ID) (id types.ID, n raft.Node, s *raft.MemoryStorage, w *wal.WAL) {
	var err error
	member := cfg.Cluster.MemberByName(cfg.Name)
	metadata := pbutil.MustMarshal(
		&pb.Metadata{
			NodeID:    uint64(member.ID),
			ClusterID: uint64(cfg.Cluster.ID()),
		},
	)
	if err := os.MkdirAll(cfg.SnapDir(), privateDirMode); err != nil {
		log.Fatalf("etcdserver create snapshot directory error: %v", err)
	}
	if w, err = wal.Create(cfg.WALDir(), metadata); err != nil {
		log.Fatalf("etcdserver: create wal error: %v", err)
	}
	peers := make([]raft.Peer, len(ids))
	for i, id := range ids {
		ctx, err := json.Marshal((*cfg.Cluster).Member(id))
		if err != nil {
			log.Panicf("marshal member should never fail: %v", err)
		}
		peers[i] = raft.Peer{ID: uint64(id), Context: ctx}
	}
	id = member.ID
	log.Printf("etcdserver: start member %s in cluster %s", id, cfg.Cluster.ID())
	s = raft.NewMemoryStorage()
	n = raft.StartNode(uint64(id), peers, cfg.ElectionTicks, 1, s)
	return
}
Example #2
0
func startNode(id uint64, peers []raft.Peer, iface iface) *node {
	st := raft.NewMemoryStorage()
	rn := raft.StartNode(id, peers, 10, 1, st)
	n := &node{
		Node:    rn,
		id:      id,
		storage: st,
		iface:   iface,
		pausec:  make(chan bool),
	}
	n.start()
	return n
}
Example #3
0
func startNode(id uint64, peers []raft.Peer, iface iface) *node {
	st := raft.NewMemoryStorage()
	c := &raft.Config{
		ID:              id,
		ElectionTick:    10,
		HeartbeatTick:   1,
		Storage:         st,
		MaxSizePerMsg:   1024 * 1024,
		MaxInflightMsgs: 256,
	}
	rn := raft.StartNode(c, peers)
	n := &node{
		Node:    rn,
		id:      id,
		storage: st,
		iface:   iface,
		pausec:  make(chan bool),
	}
	n.start()
	return n
}
Example #4
0
func startNode(cfg *ServerConfig, cl *cluster, ids []types.ID) (id types.ID, n raft.Node, s *raft.MemoryStorage, w *wal.WAL) {
	var err error
	member := cl.MemberByName(cfg.Name)
	metadata := pbutil.MustMarshal(
		&pb.Metadata{
			NodeID:    uint64(member.ID),
			ClusterID: uint64(cl.ID()),
		},
	)
	if err := os.MkdirAll(cfg.SnapDir(), privateDirMode); err != nil {
		plog.Fatalf("create snapshot directory error: %v", err)
	}
	if w, err = wal.Create(cfg.WALDir(), metadata); err != nil {
		plog.Fatalf("create wal error: %v", err)
	}
	peers := make([]raft.Peer, len(ids))
	for i, id := range ids {
		ctx, err := json.Marshal((*cl).Member(id))
		if err != nil {
			plog.Panicf("marshal member should never fail: %v", err)
		}
		peers[i] = raft.Peer{ID: uint64(id), Context: ctx}
	}
	id = member.ID
	plog.Infof("starting member %s in cluster %s", id, cl.ID())
	s = raft.NewMemoryStorage()
	c := &raft.Config{
		ID:              uint64(id),
		ElectionTick:    cfg.ElectionTicks,
		HeartbeatTick:   1,
		Storage:         s,
		MaxSizePerMsg:   maxSizePerMsg,
		MaxInflightMsgs: maxInflightMsgs,
	}
	n = raft.StartNode(c, peers)
	raftStatus = n.Status
	advanceTicksForElection(n, c.ElectionTick)
	return
}