Move setPeers to raft state

meta/state.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"math/rand"
+	"net"
 	"os"
 	"path/filepath"
 	"time"
@@ -23,6 +24,7 @@ type raftState interface {
 	leaderCh() <-chan bool
 	raftEnabled() bool
 	sync(index uint64, timeout time.Duration) error
+	setPeers(addrs []string) error
 	invalidate() error
 	close() error
 }
@@ -156,6 +158,19 @@ func (r *localRaft) sync(index uint64, timeout time.Duration) error {
 	}
 }
 
+// setPeers sets a list of peers in the cluster.
+func (r *localRaft) setPeers(addrs []string) error {
+	a := make([]string, len(addrs))
+	for i, s := range addrs {
+		addr, err := net.ResolveTCPAddr("tcp", s)
+		if err != nil {
+			return fmt.Errorf("cannot resolve addr: %s, err=%s", s, err)
+		}
+		a[i] = addr.String()
+	}
+	return r.store.raft.SetPeers(a).Error()
+}
+
 func (r *localRaft) leader() string {
 	if r.store.raft == nil {
 		return ""
@@ -221,6 +236,10 @@ func (r *remoteRaft) invalidate() error {
 	return nil
 }
 
+func (r *remoteRaft) setPeers(addrs []string) error {
+	return nil
+}
+
 func (r *remoteRaft) openRaft() error {
 	go func() {
 		for {

meta/store.go

@@ -448,15 +448,7 @@ func (s *Store) LeaderCh() <-chan bool {
 
 // SetPeers sets a list of peers in the cluster.
 func (s *Store) SetPeers(addrs []string) error {
-	a := make([]string, len(addrs))
+	return s.raftState.setPeers(addrs)
-	for i, s := range addrs {
-		addr, err := net.ResolveTCPAddr("tcp", s)
-		if err != nil {
-			return fmt.Errorf("cannot resolve addr: %s, err=%s", s, err)
-		}
-		a[i] = addr.String()
-	}
-	return s.raft.SetPeers(a).Error()
 }
 
 // AddPeer adds addr to the list of peers in the cluster.