raft change from http to grpc

master grpc port is fixed to http port + 10000
This commit is contained in:
Chris Lu 2019-02-18 22:38:14 -08:00
parent 448645203a
commit 07af52cb6f
6 changed files with 65 additions and 87 deletions

View file

@ -1,21 +1,20 @@
package command package command
import ( import (
"github.com/chrislusf/raft/protobuf"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/security" "github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/server"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/gorilla/mux"
"github.com/spf13/viper" "github.com/spf13/viper"
"google.golang.org/grpc/reflection"
"net/http" "net/http"
"os" "os"
"runtime" "runtime"
"strconv" "strconv"
"strings" "strings"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/server"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/gorilla/mux"
"google.golang.org/grpc/reflection"
) )
func init() { func init() {
@ -36,7 +35,6 @@ var cmdMaster = &Command{
var ( var (
mport = cmdMaster.Flag.Int("port", 9333, "http listen port") mport = cmdMaster.Flag.Int("port", 9333, "http listen port")
mGrpcPort = cmdMaster.Flag.Int("port.grpc", 0, "grpc server listen port, default to http port + 10000")
masterIp = cmdMaster.Flag.String("ip", "localhost", "master <ip>|<server> address") masterIp = cmdMaster.Flag.String("ip", "localhost", "master <ip>|<server> address")
masterBindIp = cmdMaster.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to") masterBindIp = cmdMaster.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
metaFolder = cmdMaster.Flag.String("mdir", os.TempDir(), "data directory to store meta data") metaFolder = cmdMaster.Flag.String("mdir", os.TempDir(), "data directory to store meta data")
@ -92,18 +90,14 @@ func runMaster(cmd *Command, args []string) bool {
} }
go func() { go func() {
time.Sleep(100 * time.Millisecond) // start raftServer
myMasterAddress, peers := checkPeers(*masterIp, *mport, *masterPeers) myMasterAddress, peers := checkPeers(*masterIp, *mport, *masterPeers)
raftServer := weed_server.NewRaftServer(r, peers, myMasterAddress, *metaFolder, ms.Topo, *mpulse) raftServer := weed_server.NewRaftServer(security.LoadClientTLS(viper.Sub("grpc"), "master"),
peers, myMasterAddress, *metaFolder, ms.Topo, *mpulse)
ms.SetRaftServer(raftServer) ms.SetRaftServer(raftServer)
}()
go func() {
// starting grpc server // starting grpc server
grpcPort := *mGrpcPort grpcPort := *mport + 10000
if grpcPort == 0 {
grpcPort = *mport + 10000
}
grpcL, err := util.NewListener(*masterBindIp+":"+strconv.Itoa(grpcPort), 0) grpcL, err := util.NewListener(*masterBindIp+":"+strconv.Itoa(grpcPort), 0)
if err != nil { if err != nil {
glog.Fatalf("master failed to listen on grpc port %d: %v", grpcPort, err) glog.Fatalf("master failed to listen on grpc port %d: %v", grpcPort, err)
@ -111,6 +105,7 @@ func runMaster(cmd *Command, args []string) bool {
// Create your protocol servers. // Create your protocol servers.
grpcS := util.NewGrpcServer(security.LoadServerTLS(viper.Sub("grpc"), "master")) grpcS := util.NewGrpcServer(security.LoadServerTLS(viper.Sub("grpc"), "master"))
master_pb.RegisterSeaweedServer(grpcS, ms) master_pb.RegisterSeaweedServer(grpcS, ms)
protobuf.RegisterRaftServer(grpcS, raftServer)
reflection.Register(grpcS) reflection.Register(grpcS)
glog.V(0).Infof("Start Seaweed Master %s grpc server at %s:%d", util.VERSION, *masterBindIp, grpcPort) glog.V(0).Infof("Start Seaweed Master %s grpc server at %s:%d", util.VERSION, *masterBindIp, grpcPort)

View file

@ -1,6 +1,7 @@
package command package command
import ( import (
"github.com/chrislusf/raft/protobuf"
"github.com/chrislusf/seaweedfs/weed/security" "github.com/chrislusf/seaweedfs/weed/security"
"github.com/spf13/viper" "github.com/spf13/viper"
"net/http" "net/http"
@ -62,7 +63,6 @@ var (
serverPeers = cmdServer.Flag.String("master.peers", "", "all master nodes in comma separated ip:masterPort list") serverPeers = cmdServer.Flag.String("master.peers", "", "all master nodes in comma separated ip:masterPort list")
serverGarbageThreshold = cmdServer.Flag.Float64("garbageThreshold", 0.3, "threshold to vacuum and reclaim spaces") serverGarbageThreshold = cmdServer.Flag.Float64("garbageThreshold", 0.3, "threshold to vacuum and reclaim spaces")
masterPort = cmdServer.Flag.Int("master.port", 9333, "master server http listen port") masterPort = cmdServer.Flag.Int("master.port", 9333, "master server http listen port")
masterGrpcPort = cmdServer.Flag.Int("master.port.grpc", 0, "master grpc server listen port, default to http port + 10000")
masterMetaFolder = cmdServer.Flag.String("master.dir", "", "data directory to store meta data, default to same as -dir specified") masterMetaFolder = cmdServer.Flag.String("master.dir", "", "data directory to store meta data, default to same as -dir specified")
masterVolumeSizeLimitMB = cmdServer.Flag.Uint("master.volumeSizeLimitMB", 30*1000, "Master stops directing writes to oversized volumes.") masterVolumeSizeLimitMB = cmdServer.Flag.Uint("master.volumeSizeLimitMB", 30*1000, "Master stops directing writes to oversized volumes.")
masterVolumePreallocate = cmdServer.Flag.Bool("master.volumePreallocate", false, "Preallocate disk space for volumes.") masterVolumePreallocate = cmdServer.Flag.Bool("master.volumePreallocate", false, "Preallocate disk space for volumes.")
@ -162,10 +162,8 @@ func runServer(cmd *Command, args []string) bool {
}() }()
} }
var raftWaitForMaster sync.WaitGroup
var volumeWait sync.WaitGroup var volumeWait sync.WaitGroup
raftWaitForMaster.Add(1)
volumeWait.Add(1) volumeWait.Add(1)
go func() { go func() {
@ -183,11 +181,14 @@ func runServer(cmd *Command, args []string) bool {
} }
go func() { go func() {
// start raftServer
myMasterAddress, peers := checkPeers(*masterIp, *mport, *masterPeers)
raftServer := weed_server.NewRaftServer(security.LoadClientTLS(viper.Sub("grpc"), "master"),
peers, myMasterAddress, *metaFolder, ms.Topo, *mpulse)
ms.SetRaftServer(raftServer)
// starting grpc server // starting grpc server
grpcPort := *masterGrpcPort grpcPort := *masterPort + 10000
if grpcPort == 0 {
grpcPort = *masterPort + 10000
}
grpcL, err := util.NewListener(*serverIp+":"+strconv.Itoa(grpcPort), 0) grpcL, err := util.NewListener(*serverIp+":"+strconv.Itoa(grpcPort), 0)
if err != nil { if err != nil {
glog.Fatalf("master failed to listen on grpc port %d: %v", grpcPort, err) glog.Fatalf("master failed to listen on grpc port %d: %v", grpcPort, err)
@ -196,22 +197,14 @@ func runServer(cmd *Command, args []string) bool {
glog.V(0).Infof("grpc config %+v", viper.Sub("grpc")) glog.V(0).Infof("grpc config %+v", viper.Sub("grpc"))
grpcS := util.NewGrpcServer(security.LoadServerTLS(viper.Sub("grpc"), "master")) grpcS := util.NewGrpcServer(security.LoadServerTLS(viper.Sub("grpc"), "master"))
master_pb.RegisterSeaweedServer(grpcS, ms) master_pb.RegisterSeaweedServer(grpcS, ms)
protobuf.RegisterRaftServer(grpcS, raftServer)
reflection.Register(grpcS) reflection.Register(grpcS)
glog.V(0).Infof("Start Seaweed Master %s grpc server at %s:%d", util.VERSION, *serverIp, grpcPort) glog.V(0).Infof("Start Seaweed Master %s grpc server at %s:%d", util.VERSION, *serverIp, grpcPort)
grpcS.Serve(grpcL) grpcS.Serve(grpcL)
}() }()
go func() { volumeWait.Done()
raftWaitForMaster.Wait()
time.Sleep(100 * time.Millisecond)
myAddress, peers := checkPeers(*serverIp, *masterPort, *serverPeers)
raftServer := weed_server.NewRaftServer(r, peers, myAddress, *masterMetaFolder, ms.Topo, *pulseSeconds)
ms.SetRaftServer(raftServer)
volumeWait.Done()
}()
raftWaitForMaster.Done()
// start http server // start http server
httpS := &http.Server{Handler: r} httpS := &http.Server{Handler: r}

View file

@ -41,7 +41,7 @@ var StatusTpl = template.Must(template.New("status").Parse(`<!DOCTYPE html>
<td class="col-sm-2 field-label"><label>Other Masters:</label></td> <td class="col-sm-2 field-label"><label>Other Masters:</label></td>
<td class="col-sm-10"><ul class="list-unstyled"> <td class="col-sm-10"><ul class="list-unstyled">
{{ range $k, $p := .Peers }} {{ range $k, $p := .Peers }}
<li><a href="{{ $p.ConnectionString }}">{{ $p.Name }}</a></li> <li><a href="http://{{ $p.Name }}">{{ $p.Name }}</a></li>
{{ end }} {{ end }}
</ul></td> </ul></td>
</tr> </tr>

View file

@ -2,36 +2,35 @@ package weed_server
import ( import (
"encoding/json" "encoding/json"
"github.com/chrislusf/seaweedfs/weed/util"
"google.golang.org/grpc"
"io/ioutil" "io/ioutil"
"os" "os"
"path" "path"
"reflect" "reflect"
"sort" "sort"
"strings"
"time" "time"
"github.com/chrislusf/raft" "github.com/chrislusf/raft"
"github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/topology" "github.com/chrislusf/seaweedfs/weed/topology"
"github.com/gorilla/mux"
) )
type RaftServer struct { type RaftServer struct {
peers []string // initial peers to join with peers []string // initial peers to join with
raftServer raft.Server raftServer raft.Server
dataDir string dataDir string
httpAddr string serverAddr string
router *mux.Router
topo *topology.Topology topo *topology.Topology
*raft.GrpcServer
} }
func NewRaftServer(r *mux.Router, peers []string, httpAddr string, dataDir string, topo *topology.Topology, pulseSeconds int) *RaftServer { func NewRaftServer(grpcDialOption grpc.DialOption, peers []string, serverAddr string, dataDir string, topo *topology.Topology, pulseSeconds int) *RaftServer {
s := &RaftServer{ s := &RaftServer{
peers: peers, peers: peers,
httpAddr: httpAddr, serverAddr: serverAddr,
dataDir: dataDir, dataDir: dataDir,
router: r, topo: topo,
topo: topo,
} }
if glog.V(4) { if glog.V(4) {
@ -41,43 +40,39 @@ func NewRaftServer(r *mux.Router, peers []string, httpAddr string, dataDir strin
raft.RegisterCommand(&topology.MaxVolumeIdCommand{}) raft.RegisterCommand(&topology.MaxVolumeIdCommand{})
var err error var err error
transporter := raft.NewHTTPTransporter("/cluster", time.Second) transporter := raft.NewGrpcTransporter(grpcDialOption)
transporter.Transport.MaxIdleConnsPerHost = 1024 glog.V(0).Infof("Starting RaftServer with %v", serverAddr)
transporter.Transport.IdleConnTimeout = time.Second
transporter.Transport.ResponseHeaderTimeout = time.Second
glog.V(0).Infof("Starting RaftServer with %v", httpAddr)
// Clear old cluster configurations if peers are changed // Clear old cluster configurations if peers are changed
if oldPeers, changed := isPeersChanged(s.dataDir, httpAddr, s.peers); changed { if oldPeers, changed := isPeersChanged(s.dataDir, serverAddr, s.peers); changed {
glog.V(0).Infof("Peers Change: %v => %v", oldPeers, s.peers) glog.V(0).Infof("Peers Change: %v => %v", oldPeers, s.peers)
os.RemoveAll(path.Join(s.dataDir, "conf")) os.RemoveAll(path.Join(s.dataDir, "conf"))
os.RemoveAll(path.Join(s.dataDir, "log")) os.RemoveAll(path.Join(s.dataDir, "log"))
os.RemoveAll(path.Join(s.dataDir, "snapshot")) os.RemoveAll(path.Join(s.dataDir, "snapshot"))
} }
s.raftServer, err = raft.NewServer(s.httpAddr, s.dataDir, transporter, nil, topo, "") s.raftServer, err = raft.NewServer(s.serverAddr, s.dataDir, transporter, nil, topo, "")
if err != nil { if err != nil {
glog.V(0).Infoln(err) glog.V(0).Infoln(err)
return nil return nil
} }
transporter.Install(s.raftServer, s)
s.raftServer.SetHeartbeatInterval(500 * time.Millisecond) s.raftServer.SetHeartbeatInterval(500 * time.Millisecond)
s.raftServer.SetElectionTimeout(time.Duration(pulseSeconds) * 500 * time.Millisecond) s.raftServer.SetElectionTimeout(time.Duration(pulseSeconds) * 500 * time.Millisecond)
s.raftServer.Start() s.raftServer.Start()
s.router.HandleFunc("/cluster/status", s.statusHandler).Methods("GET")
for _, peer := range s.peers { for _, peer := range s.peers {
s.raftServer.AddPeer(peer, "http://"+peer) s.raftServer.AddPeer(peer, util.ServerToGrpcAddress(peer, 19333))
} }
if s.raftServer.IsLogEmpty() && isTheFirstOne(httpAddr, s.peers) { s.GrpcServer = raft.NewGrpcServer(s.raftServer)
if s.raftServer.IsLogEmpty() && isTheFirstOne(serverAddr, s.peers) {
// Initialize the server by joining itself. // Initialize the server by joining itself.
glog.V(0).Infoln("Initializing new cluster") glog.V(0).Infoln("Initializing new cluster")
_, err := s.raftServer.Do(&raft.DefaultJoinCommand{ _, err := s.raftServer.Do(&raft.DefaultJoinCommand{
Name: s.raftServer.Name(), Name: s.raftServer.Name(),
ConnectionString: "http://" + s.httpAddr, ConnectionString: util.ServerToGrpcAddress(s.serverAddr, 19333),
}) })
if err != nil { if err != nil {
@ -95,7 +90,7 @@ func (s *RaftServer) Peers() (members []string) {
peers := s.raftServer.Peers() peers := s.raftServer.Peers()
for _, p := range peers { for _, p := range peers {
members = append(members, strings.TrimPrefix(p.ConnectionString, "http://")) members = append(members, p.Name)
} }
return return
@ -114,7 +109,7 @@ func isPeersChanged(dir string, self string, peers []string) (oldPeers []string,
} }
for _, p := range conf.Peers { for _, p := range conf.Peers {
oldPeers = append(oldPeers, strings.TrimPrefix(p.ConnectionString, "http://")) oldPeers = append(oldPeers, p.Name)
} }
oldPeers = append(oldPeers, self) oldPeers = append(oldPeers, self)

View file

@ -1,21 +0,0 @@
package weed_server
import (
"github.com/chrislusf/seaweedfs/weed/operation"
"net/http"
)
func (s *RaftServer) HandleFunc(pattern string, handler func(http.ResponseWriter, *http.Request)) {
s.router.HandleFunc(pattern, handler)
}
func (s *RaftServer) statusHandler(w http.ResponseWriter, r *http.Request) {
ret := operation.ClusterStatusResult{
IsLeader: s.topo.IsLeader(),
Peers: s.Peers(),
}
if leader, e := s.topo.Leader(); e == nil {
ret.Leader = leader
}
writeJsonQuiet(w, r, http.StatusOK, ret)
}

View file

@ -83,18 +83,34 @@ func WithCachedGrpcClient(fn func(*grpc.ClientConn) error, address string, opts
func ParseServerToGrpcAddress(server string, optionalGrpcPort int) (serverGrpcAddress string, err error) { func ParseServerToGrpcAddress(server string, optionalGrpcPort int) (serverGrpcAddress string, err error) {
hostnameAndPort := strings.Split(server, ":") hostnameAndPort := strings.Split(server, ":")
if len(hostnameAndPort) != 2 { if len(hostnameAndPort) != 2 {
return "", fmt.Errorf("The server should have hostname:port format: %v", hostnameAndPort) return "", fmt.Errorf("server should have hostname:port format: %v", hostnameAndPort)
} }
filerPort, parseErr := strconv.ParseUint(hostnameAndPort[1], 10, 64) port, parseErr := strconv.ParseUint(hostnameAndPort[1], 10, 64)
if parseErr != nil { if parseErr != nil {
return "", fmt.Errorf("The server port parse error: %v", parseErr) return "", fmt.Errorf("server port parse error: %v", parseErr)
} }
filerGrpcPort := int(filerPort) + 10000 grpcPort := int(port) + 10000
if optionalGrpcPort != 0 { if optionalGrpcPort != 0 {
filerGrpcPort = optionalGrpcPort grpcPort = optionalGrpcPort
} }
return fmt.Sprintf("%s:%d", hostnameAndPort[0], filerGrpcPort), nil return fmt.Sprintf("%s:%d", hostnameAndPort[0], grpcPort), nil
}
func ServerToGrpcAddress(server string, defaultGrpcPort int) (serverGrpcAddress string) {
hostnameAndPort := strings.Split(server, ":")
if len(hostnameAndPort) != 2 {
return fmt.Sprintf("%s:%d", server, defaultGrpcPort)
}
port, parseErr := strconv.ParseUint(hostnameAndPort[1], 10, 64)
if parseErr != nil {
return fmt.Sprintf("%s:%d", hostnameAndPort[0], defaultGrpcPort)
}
grpcPort := int(port) + 10000
return fmt.Sprintf("%s:%d", hostnameAndPort[0], grpcPort)
} }