You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
306 lines
11 KiB
306 lines
11 KiB
package command
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
"time"
|
|
|
|
"golang.org/x/exp/slices"
|
|
|
|
"github.com/gorilla/mux"
|
|
"github.com/seaweedfs/raft/protobuf"
|
|
"github.com/spf13/viper"
|
|
"google.golang.org/grpc/reflection"
|
|
|
|
stats_collect "github.com/seaweedfs/seaweedfs/weed/stats"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/util/grace"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/security"
|
|
weed_server "github.com/seaweedfs/seaweedfs/weed/server"
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/backend"
|
|
"github.com/seaweedfs/seaweedfs/weed/util"
|
|
)
|
|
|
|
var (
|
|
m MasterOptions
|
|
)
|
|
|
|
type MasterOptions struct {
|
|
port *int
|
|
portGrpc *int
|
|
ip *string
|
|
ipBind *string
|
|
metaFolder *string
|
|
peers *string
|
|
volumeSizeLimitMB *uint
|
|
volumePreallocate *bool
|
|
// pulseSeconds *int
|
|
defaultReplication *string
|
|
garbageThreshold *float64
|
|
whiteList *string
|
|
disableHttp *bool
|
|
metricsAddress *string
|
|
metricsIntervalSec *int
|
|
raftResumeState *bool
|
|
metricsHttpPort *int
|
|
heartbeatInterval *time.Duration
|
|
electionTimeout *time.Duration
|
|
raftHashicorp *bool
|
|
raftBootstrap *bool
|
|
}
|
|
|
|
func init() {
|
|
cmdMaster.Run = runMaster // break init cycle
|
|
m.port = cmdMaster.Flag.Int("port", 9333, "http listen port")
|
|
m.portGrpc = cmdMaster.Flag.Int("port.grpc", 0, "grpc listen port")
|
|
m.ip = cmdMaster.Flag.String("ip", util.DetectedHostAddress(), "master <ip>|<server> address, also used as identifier")
|
|
m.ipBind = cmdMaster.Flag.String("ip.bind", "", "ip address to bind to. If empty, default to same as -ip option.")
|
|
m.metaFolder = cmdMaster.Flag.String("mdir", os.TempDir(), "data directory to store meta data")
|
|
m.peers = cmdMaster.Flag.String("peers", "", "all master nodes in comma separated ip:port list, example: 127.0.0.1:9093,127.0.0.1:9094,127.0.0.1:9095")
|
|
m.volumeSizeLimitMB = cmdMaster.Flag.Uint("volumeSizeLimitMB", 30*1000, "Master stops directing writes to oversized volumes.")
|
|
m.volumePreallocate = cmdMaster.Flag.Bool("volumePreallocate", false, "Preallocate disk space for volumes.")
|
|
// m.pulseSeconds = cmdMaster.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
|
|
m.defaultReplication = cmdMaster.Flag.String("defaultReplication", "", "Default replication type if not specified.")
|
|
m.garbageThreshold = cmdMaster.Flag.Float64("garbageThreshold", 0.3, "threshold to vacuum and reclaim spaces")
|
|
m.whiteList = cmdMaster.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
|
|
m.disableHttp = cmdMaster.Flag.Bool("disableHttp", false, "disable http requests, only gRPC operations are allowed.")
|
|
m.metricsAddress = cmdMaster.Flag.String("metrics.address", "", "Prometheus gateway address <host>:<port>")
|
|
m.metricsIntervalSec = cmdMaster.Flag.Int("metrics.intervalSeconds", 15, "Prometheus push interval in seconds")
|
|
m.metricsHttpPort = cmdMaster.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
|
|
m.raftResumeState = cmdMaster.Flag.Bool("resumeState", false, "resume previous state on start master server")
|
|
m.heartbeatInterval = cmdMaster.Flag.Duration("heartbeatInterval", 300*time.Millisecond, "heartbeat interval of master servers, and will be randomly multiplied by [1, 1.25)")
|
|
m.electionTimeout = cmdMaster.Flag.Duration("electionTimeout", 10*time.Second, "election timeout of master servers")
|
|
m.raftHashicorp = cmdMaster.Flag.Bool("raftHashicorp", false, "use hashicorp raft")
|
|
m.raftBootstrap = cmdMaster.Flag.Bool("raftBootstrap", false, "Whether to bootstrap the Raft cluster")
|
|
}
|
|
|
|
var cmdMaster = &Command{
|
|
UsageLine: "master -port=9333",
|
|
Short: "start a master server",
|
|
Long: `start a master server to provide volume=>location mapping service and sequence number of file ids
|
|
|
|
The configuration file "security.toml" is read from ".", "$HOME/.seaweedfs/", "/usr/local/etc/seaweedfs/", or "/etc/seaweedfs/", in that order.
|
|
|
|
The example security.toml configuration file can be generated by "weed scaffold -config=security"
|
|
|
|
`,
|
|
}
|
|
|
|
var (
|
|
masterCpuProfile = cmdMaster.Flag.String("cpuprofile", "", "cpu profile output file")
|
|
masterMemProfile = cmdMaster.Flag.String("memprofile", "", "memory profile output file")
|
|
)
|
|
|
|
func runMaster(cmd *Command, args []string) bool {
|
|
|
|
util.LoadConfiguration("security", false)
|
|
util.LoadConfiguration("master", false)
|
|
|
|
grace.SetupProfiling(*masterCpuProfile, *masterMemProfile)
|
|
|
|
parent, _ := util.FullPath(*m.metaFolder).DirAndName()
|
|
if util.FileExists(string(parent)) && !util.FileExists(*m.metaFolder) {
|
|
os.MkdirAll(*m.metaFolder, 0755)
|
|
}
|
|
if err := util.TestFolderWritable(util.ResolvePath(*m.metaFolder)); err != nil {
|
|
glog.Fatalf("Check Meta Folder (-mdir) Writable %s : %s", *m.metaFolder, err)
|
|
}
|
|
|
|
masterWhiteList := util.StringSplit(*m.whiteList, ",")
|
|
if *m.volumeSizeLimitMB > util.VolumeSizeLimitGB*1000 {
|
|
glog.Fatalf("volumeSizeLimitMB should be smaller than 30000")
|
|
}
|
|
|
|
go stats_collect.StartMetricsServer(*m.metricsHttpPort)
|
|
startMaster(m, masterWhiteList)
|
|
|
|
return true
|
|
}
|
|
|
|
func startMaster(masterOption MasterOptions, masterWhiteList []string) {
|
|
|
|
backend.LoadConfiguration(util.GetViper())
|
|
|
|
if *masterOption.portGrpc == 0 {
|
|
*masterOption.portGrpc = 10000 + *masterOption.port
|
|
}
|
|
if *masterOption.ipBind == "" {
|
|
*masterOption.ipBind = *masterOption.ip
|
|
}
|
|
|
|
myMasterAddress, peers := checkPeers(*masterOption.ip, *masterOption.port, *masterOption.portGrpc, *masterOption.peers)
|
|
|
|
masterPeers := make(map[string]pb.ServerAddress)
|
|
for _, peer := range peers {
|
|
masterPeers[string(peer)] = peer
|
|
}
|
|
|
|
r := mux.NewRouter()
|
|
ms := weed_server.NewMasterServer(r, masterOption.toMasterOption(masterWhiteList), masterPeers)
|
|
listeningAddress := util.JoinHostPort(*masterOption.ipBind, *masterOption.port)
|
|
glog.V(0).Infof("Start Seaweed Master %s at %s", util.Version(), listeningAddress)
|
|
masterListener, masterLocalListener, e := util.NewIpAndLocalListeners(*masterOption.ipBind, *masterOption.port, 0)
|
|
if e != nil {
|
|
glog.Fatalf("Master startup error: %v", e)
|
|
}
|
|
|
|
// start raftServer
|
|
metaDir := path.Join(*masterOption.metaFolder, fmt.Sprintf("m%d", *masterOption.port))
|
|
raftServerOption := &weed_server.RaftServerOption{
|
|
GrpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.master"),
|
|
Peers: masterPeers,
|
|
ServerAddr: myMasterAddress,
|
|
DataDir: util.ResolvePath(metaDir),
|
|
Topo: ms.Topo,
|
|
RaftResumeState: *masterOption.raftResumeState,
|
|
HeartbeatInterval: *masterOption.heartbeatInterval,
|
|
ElectionTimeout: *masterOption.electionTimeout,
|
|
RaftBootstrap: *m.raftBootstrap,
|
|
}
|
|
var raftServer *weed_server.RaftServer
|
|
var err error
|
|
if *m.raftHashicorp {
|
|
if raftServer, err = weed_server.NewHashicorpRaftServer(raftServerOption); err != nil {
|
|
glog.Fatalf("NewHashicorpRaftServer: %s", err)
|
|
}
|
|
} else {
|
|
raftServer, err = weed_server.NewRaftServer(raftServerOption)
|
|
if raftServer == nil {
|
|
glog.Fatalf("please verify %s is writable, see https://github.com/seaweedfs/seaweedfs/issues/717: %s", *masterOption.metaFolder, err)
|
|
}
|
|
}
|
|
ms.SetRaftServer(raftServer)
|
|
r.HandleFunc("/cluster/status", raftServer.StatusHandler).Methods("GET")
|
|
r.HandleFunc("/cluster/healthz", raftServer.HealthzHandler).Methods("GET", "HEAD")
|
|
if *m.raftHashicorp {
|
|
r.HandleFunc("/raft/stats", raftServer.StatsRaftHandler).Methods("GET")
|
|
}
|
|
// starting grpc server
|
|
grpcPort := *masterOption.portGrpc
|
|
grpcL, grpcLocalL, err := util.NewIpAndLocalListeners(*masterOption.ipBind, grpcPort, 0)
|
|
if err != nil {
|
|
glog.Fatalf("master failed to listen on grpc port %d: %v", grpcPort, err)
|
|
}
|
|
grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.master"))
|
|
master_pb.RegisterSeaweedServer(grpcS, ms)
|
|
if *m.raftHashicorp {
|
|
raftServer.TransportManager.Register(grpcS)
|
|
} else {
|
|
protobuf.RegisterRaftServer(grpcS, raftServer)
|
|
}
|
|
reflection.Register(grpcS)
|
|
glog.V(0).Infof("Start Seaweed Master %s grpc server at %s:%d", util.Version(), *masterOption.ipBind, grpcPort)
|
|
if grpcLocalL != nil {
|
|
go grpcS.Serve(grpcLocalL)
|
|
}
|
|
go grpcS.Serve(grpcL)
|
|
|
|
timeSleep := 1500 * time.Millisecond
|
|
if !*m.raftHashicorp {
|
|
go func() {
|
|
time.Sleep(timeSleep)
|
|
|
|
ms.Topo.RaftServerAccessLock.RLock()
|
|
isEmptyMaster := ms.Topo.RaftServer.Leader() == "" && ms.Topo.RaftServer.IsLogEmpty()
|
|
if isEmptyMaster && isTheFirstOne(myMasterAddress, peers) && ms.MasterClient.FindLeaderFromOtherPeers(myMasterAddress) == "" {
|
|
raftServer.DoJoinCommand()
|
|
}
|
|
ms.Topo.RaftServerAccessLock.RUnlock()
|
|
}()
|
|
}
|
|
|
|
go ms.MasterClient.KeepConnectedToMaster()
|
|
|
|
// start http server
|
|
var (
|
|
clientCertFile,
|
|
certFile,
|
|
keyFile string
|
|
)
|
|
useTLS := false
|
|
useMTLS := false
|
|
|
|
if viper.GetString("https.master.key") != "" {
|
|
useTLS = true
|
|
certFile = viper.GetString("https.master.cert")
|
|
keyFile = viper.GetString("https.master.key")
|
|
}
|
|
|
|
if viper.GetString("https.master.ca") != "" {
|
|
useMTLS = true
|
|
clientCertFile = viper.GetString("https.master.ca")
|
|
}
|
|
|
|
httpS := &http.Server{Handler: r}
|
|
if masterLocalListener != nil {
|
|
go httpS.Serve(masterLocalListener)
|
|
}
|
|
|
|
if useMTLS {
|
|
httpS.TLSConfig = security.LoadClientTLSHTTP(clientCertFile)
|
|
}
|
|
|
|
if useTLS {
|
|
go httpS.ServeTLS(masterListener, certFile, keyFile)
|
|
} else {
|
|
go httpS.Serve(masterListener)
|
|
}
|
|
|
|
select {}
|
|
}
|
|
|
|
func checkPeers(masterIp string, masterPort int, masterGrpcPort int, peers string) (masterAddress pb.ServerAddress, cleanedPeers []pb.ServerAddress) {
|
|
glog.V(0).Infof("current: %s:%d peers:%s", masterIp, masterPort, peers)
|
|
masterAddress = pb.NewServerAddress(masterIp, masterPort, masterGrpcPort)
|
|
cleanedPeers = pb.ServerAddresses(peers).ToAddresses()
|
|
|
|
hasSelf := false
|
|
for _, peer := range cleanedPeers {
|
|
if peer.ToHttpAddress() == masterAddress.ToHttpAddress() {
|
|
hasSelf = true
|
|
break
|
|
}
|
|
}
|
|
|
|
if !hasSelf {
|
|
cleanedPeers = append(cleanedPeers, masterAddress)
|
|
}
|
|
if len(cleanedPeers)%2 == 0 {
|
|
glog.Fatalf("Only odd number of masters are supported: %+v", cleanedPeers)
|
|
}
|
|
return
|
|
}
|
|
|
|
func isTheFirstOne(self pb.ServerAddress, peers []pb.ServerAddress) bool {
|
|
slices.SortFunc(peers, func(a, b pb.ServerAddress) bool {
|
|
return strings.Compare(string(a), string(b)) < 0
|
|
})
|
|
if len(peers) <= 0 {
|
|
return true
|
|
}
|
|
return self == peers[0]
|
|
}
|
|
|
|
func (m *MasterOptions) toMasterOption(whiteList []string) *weed_server.MasterOption {
|
|
masterAddress := pb.NewServerAddress(*m.ip, *m.port, *m.portGrpc)
|
|
return &weed_server.MasterOption{
|
|
Master: masterAddress,
|
|
MetaFolder: *m.metaFolder,
|
|
VolumeSizeLimitMB: uint32(*m.volumeSizeLimitMB),
|
|
VolumePreallocate: *m.volumePreallocate,
|
|
// PulseSeconds: *m.pulseSeconds,
|
|
DefaultReplicaPlacement: *m.defaultReplication,
|
|
GarbageThreshold: *m.garbageThreshold,
|
|
WhiteList: whiteList,
|
|
DisableHttp: *m.disableHttp,
|
|
MetricsAddress: *m.metricsAddress,
|
|
MetricsIntervalSec: *m.metricsIntervalSec,
|
|
}
|
|
}
|