Raftlogdir

cmd/geth/main.go

@@ -67,6 +67,7 @@ var (
 		utils.LegacyBootnodesV4Flag,
 		utils.LegacyBootnodesV5Flag,
 		utils.DataDirFlag,
+		utils.RaftLogDirFlag,
 		utils.AncientFlag,
 		utils.KeyStoreDirFlag,
 		utils.ExternalSignerFlag,

cmd/utils/flags.go

@@ -121,6 +121,11 @@ var (
 		Usage: "Data directory for the databases and keystore",
 		Value: DirectoryString(node.DefaultDataDir()),
 	}
+	RaftLogDirFlag = DirectoryFlag{
+		Name:  "raftlogdir",
+		Usage: "Raft log directory for the raft-state, raft-snap and raft-wal folders",
+		Value: DirectoryString(node.DefaultDataDir()),
+	}
 	AncientFlag = DirectoryFlag{
 		Name:  "datadir.ancient",
 		Usage: "Data directory for ancient chain segments (default = inside chaindata)",
@@ -1386,6 +1391,7 @@ func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
 	setWS(ctx, cfg)
 	setNodeUserIdent(ctx, cfg)
 	setDataDir(ctx, cfg)
+	setRaftLogDir(ctx, cfg)
 	setSmartCard(ctx, cfg)
 
 	if ctx.GlobalIsSet(ExternalSignerFlag.Name) {
@@ -1462,6 +1468,14 @@ func setDataDir(ctx *cli.Context, cfg *node.Config) {
 	}
 }
 
+func setRaftLogDir(ctx *cli.Context, cfg *node.Config) {
+	if ctx.GlobalIsSet(RaftLogDirFlag.Name) {
+		cfg.RaftLogDir = ctx.GlobalString(RaftLogDirFlag.Name)
+	} else {
+		cfg.RaftLogDir = cfg.DataDir
+	}
+}
+
 // Quorum
 //
 // Read plugin settings from --plugins flag. Overwrite settings defined in --config if any
@@ -2017,7 +2031,7 @@ func RegisterPermissionService(stack *node.Node, useDns bool) {
 
 func RegisterRaftService(stack *node.Node, ctx *cli.Context, nodeCfg *node.Config, ethService *eth.Ethereum) {
 	blockTimeMillis := ctx.GlobalInt(RaftBlockTimeFlag.Name)
-	datadir := ctx.GlobalString(DataDirFlag.Name)
+	raftLogDir := nodeCfg.RaftLogDir // default value is set either 'datadir' or 'raftlogdir'
 	joinExistingId := ctx.GlobalInt(RaftJoinExistingFlag.Name)
 	useDns := ctx.GlobalBool(RaftDNSEnabledFlag.Name)
 	raftPort := uint16(ctx.GlobalInt(RaftPortFlag.Name))
@@ -2055,7 +2069,7 @@ func RegisterRaftService(stack *node.Node, ctx *cli.Context, nodeCfg *node.Confi
 		}
 	}
 
-	_, err := raft.New(stack, ethService.BlockChain().Config(), myId, raftPort, joinExisting, blockTimeNanos, ethService, peers, datadir, useDns)
+	_, err := raft.New(stack, ethService.BlockChain().Config(), myId, raftPort, joinExisting, blockTimeNanos, ethService, peers, raftLogDir, useDns)
 	if err != nil {
 		Fatalf("raft: Failed to register the Raft service: %v", err)
 	}

node/config.go

@@ -73,6 +73,10 @@ type Config struct {
 	// in memory.
 	DataDir string
 
+	// RaftLogDir is the file system folder the node use for raft-state, raft-snap and
+	// raft-wal folders.
+	RaftLogDir string
+
 	// Configuration of peer-to-peer networking.
 	P2P p2p.Config
 

raft/backend.go

@@ -39,7 +39,7 @@ type RaftService struct {
 	pendingLogsFeed *event.Feed
 }
 
-func New(stack *node.Node, chainConfig *params.ChainConfig, raftId, raftPort uint16, joinExisting bool, blockTime time.Duration, e *eth.Ethereum, startPeers []*enode.Node, datadir string, useDns bool) (*RaftService, error) {
+func New(stack *node.Node, chainConfig *params.ChainConfig, raftId, raftPort uint16, joinExisting bool, blockTime time.Duration, e *eth.Ethereum, startPeers []*enode.Node, raftLogDir string, useDns bool) (*RaftService, error) {
 	service := &RaftService{
 		eventMux:         stack.EventMux(),
 		chainDb:          e.ChainDb(),
@@ -56,7 +56,7 @@ func New(stack *node.Node, chainConfig *params.ChainConfig, raftId, raftPort uin
 	service.minter = newMinter(chainConfig, service, blockTime)
 
 	var err error
-	if service.raftProtocolManager, err = NewProtocolManager(raftId, raftPort, service.blockchain, service.eventMux, startPeers, joinExisting, datadir, service.minter, service.downloader, useDns, stack.Server()); err != nil {
+	if service.raftProtocolManager, err = NewProtocolManager(raftId, raftPort, service.blockchain, service.eventMux, startPeers, joinExisting, raftLogDir, service.minter, service.downloader, useDns, stack.Server()); err != nil {
 		return nil, err
 	}
 

raft/handler.go

@@ -99,10 +99,10 @@ var errNoLeaderElected = errors.New("no leader is currently elected")
 // Public interface
 //
 
-func NewProtocolManager(raftId uint16, raftPort uint16, blockchain *core.BlockChain, mux *event.TypeMux, bootstrapNodes []*enode.Node, joinExisting bool, datadir string, minter *minter, downloader *downloader.Downloader, useDns bool, p2pServer *p2p.Server) (*ProtocolManager, error) {
-	waldir := fmt.Sprintf("%s/raft-wal", datadir)
-	snapdir := fmt.Sprintf("%s/raft-snap", datadir)
-	quorumRaftDbLoc := fmt.Sprintf("%s/quorum-raft-state", datadir)
+func NewProtocolManager(raftId uint16, raftPort uint16, blockchain *core.BlockChain, mux *event.TypeMux, bootstrapNodes []*enode.Node, joinExisting bool, raftLogDir string, minter *minter, downloader *downloader.Downloader, useDns bool, p2pServer *p2p.Server) (*ProtocolManager, error) {
+	waldir := fmt.Sprintf("%s/raft-wal", raftLogDir)
+	snapdir := fmt.Sprintf("%s/raft-snap", raftLogDir)
+	quorumRaftDbLoc := fmt.Sprintf("%s/quorum-raft-state", raftLogDir)
 
 	manager := &ProtocolManager{
 		bootstrapNodes:      bootstrapNodes,

raft/handler_test.go

@@ -152,7 +152,7 @@ func prepareServiceContext(key *ecdsa.PrivateKey) (stack *node.Node, cfg *node.C
 }
 
 func startRaftNode(id, port uint16, tmpWorkingDir string, key *ecdsa.PrivateKey, nodes []*enode.Node) (*RaftService, error) {
-	datadir := fmt.Sprintf("%s/node%d", tmpWorkingDir, id)
+	raftlogdir := fmt.Sprintf("%s/node%d", tmpWorkingDir, id)
 
 	stack, _, err := prepareServiceContext(key)
 	if err != nil {
@@ -166,7 +166,7 @@ func startRaftNode(id, port uint16, tmpWorkingDir string, key *ecdsa.PrivateKey,
 		return nil, err
 	}
 
-	s, err := New(stack, params.QuorumTestChainConfig, id, port, false, 100*time.Millisecond, e, nodes, datadir, false)
+	s, err := New(stack, params.QuorumTestChainConfig, id, port, false, 100*time.Millisecond, e, nodes, raftlogdir, false)
 	if err != nil {
 		return nil, err
 	}