示例#1
0
文件: start.go 项目: funkygao/gafka
func (this *Start) main() {
	ctx.LoadFromHome()
	this.zkzone = zk.NewZkZone(zk.DefaultConfig(this.zone, ctx.ZoneZkAddrs(this.zone)))
	zkConnEvt, ok := this.zkzone.SessionEvents()
	if !ok {
		panic("someone stealing my events")
	}

	registry.Default = zkr.New(this.zkzone)

	log.Info("ehaproxy[%s] starting...", gafka.BuildId)
	go this.runMonitorServer(this.httpAddr)

	zkConnected := false
	for {
		instances, instancesChange, err := registry.Default.WatchInstances()
		if err != nil {
			log.Error("zone[%s] %s", this.zkzone.Name(), err)
			time.Sleep(time.Second)
			continue
		}

		if zkConnected {
			if len(instances) > 0 {
				this.reload(instances)
			} else {
				// resilience to zk problem by local cache
				log.Warn("backend all shutdown? skip this change")
				time.Sleep(time.Second)
				continue
			}
		}

		select {
		case <-this.quitCh:
			return

		case evt := <-zkConnEvt:
			if evt.State == zklib.StateHasSession && !zkConnected {
				log.Info("zk connected")
				zkConnected = true
			} else if zkConnected {
				log.Warn("zk jitter: %+v", evt)
			}

		case <-instancesChange:
			log.Info("instances changed!!")
		}
	}

}
示例#2
0
文件: gateway.go 项目: funkygao/gafka
func New(id string) *Gateway {
	this := &Gateway{
		id:         id,
		shutdownCh: make(chan struct{}),
		quiting:    make(chan struct{}),
		certFile:   Options.CertFile,
		keyFile:    Options.KeyFile,
	}

	this.zkzone = gzk.NewZkZone(gzk.DefaultConfig(Options.Zone, ctx.ZoneZkAddrs(Options.Zone)))
	if err := this.zkzone.Ping(); err != nil {
		panic(err)
	}

	if Options.EnableRegistry {
		registry.Default = zk.New(this.zkzone)
	}
	metaConf := zkmeta.DefaultConfig()
	metaConf.Refresh = Options.MetaRefresh
	meta.Default = zkmeta.New(metaConf, this.zkzone)
	this.accessLogger = NewAccessLogger("access_log", 100)
	this.svrMetrics = NewServerMetrics(Options.ReporterInterval, this)
	rc, err := influxdb.NewConfig(Options.InfluxServer, Options.InfluxDbName, "", "", Options.ReporterInterval)
	if err != nil {
		log.Error("telemetry: %v", err)
	} else {
		telemetry.Default = influxdb.New(metrics.DefaultRegistry, rc)
	}

	// initialize the manager store
	switch Options.ManagerStore {
	case "mysql":
		cf := mandb.DefaultConfig(Options.Zone)
		cf.Refresh = Options.ManagerRefresh
		manager.Default = mandb.New(cf)
		manager.Default.AllowSubWithUnregisteredGroup(Options.PermitUnregisteredGroup)

	case "dummy":
		manager.Default = mandummy.New(Options.DummyCluster)

	case "open":
		cf := manopen.DefaultConfig(Options.Zone)
		cf.Refresh = Options.ManagerRefresh
		manager.Default = manopen.New(cf)
		manager.Default.AllowSubWithUnregisteredGroup(Options.PermitUnregisteredGroup)
		HttpHeaderAppid = "devid"
		HttpHeaderPubkey = "devsecret"
		HttpHeaderSubkey = "devsecret"

	default:
		panic("invalid manager store:" + Options.ManagerStore)
	}

	// initialize the servers on demand
	if Options.DebugHttpAddr != "" {
		this.debugMux = http.NewServeMux()
	}
	if Options.ManHttpAddr != "" || Options.ManHttpsAddr != "" {
		this.manServer = newManServer(Options.ManHttpAddr, Options.ManHttpsAddr,
			Options.MaxClients, this)
	} else {
		panic("manager server must be present")
	}
	if Options.PubHttpAddr != "" || Options.PubHttpsAddr != "" {
		this.pubServer = newPubServer(Options.PubHttpAddr, Options.PubHttpsAddr,
			Options.MaxClients, this)

		switch Options.Store {
		case "kafka":
			store.DefaultPubStore = storekfk.NewPubStore(Options.PubPoolCapcity, Options.PubPoolIdleTimeout,
				Options.UseCompress, Options.Debug, Options.DryRun)

		case "dummy":
			store.DefaultPubStore = storedummy.NewPubStore(Options.Debug)

		default:
			panic("invalid message store")
		}

		switch Options.JobStore {
		case "mysql":
			var mcc = &config.ConfigMysql{}
			b, err := this.zkzone.KatewayJobClusterConfig()
			if err != nil {
				panic(err)
			}
			if err = mcc.From(b); err != nil {
				panic(err)
			}
			jm, err := jobmysql.New(id, mcc)
			if err != nil {
				panic(fmt.Errorf("mysql job: %v", err))
			}

			job.Default = jm

		case "dummy":
			job.Default = jobdummy.New()

		default:
			panic("invalid job store")
		}

		// always create hh so that we can turn on/off it online
		switch Options.HintedHandoffType {
		case "disk":
			if len(Options.HintedHandoffDir) == 0 {
				panic("empty hh dir")
			}
			cfg := hhdisk.DefaultConfig()
			cfg.Dirs = strings.Split(Options.HintedHandoffDir, ",")
			if err := cfg.Validate(); err != nil {
				panic(err)
			}
			hhdisk.DisableBufio = !Options.HintedHandoffBufio
			if Options.AuditPub {
				hhdisk.Auditor = &this.pubServer.auditor
			}
			hh.Default = hhdisk.New(cfg)

		case "dummy":
			hh.Default = hhdummy.New()

		default:
			panic("unkown hinted handoff type")
		}

		if Options.FlushHintedOffOnly {
			meta.Default.Start()
			log.Trace("meta store[%s] started", meta.Default.Name())

			if err = store.DefaultPubStore.Start(); err != nil {
				panic(err)
			}
			log.Trace("pub store[%s] started", store.DefaultPubStore.Name())

			hh.Default.FlushInflights()
			os.Exit(0)
		}
	}
	if Options.SubHttpAddr != "" || Options.SubHttpsAddr != "" {
		this.subServer = newSubServer(Options.SubHttpAddr, Options.SubHttpsAddr,
			Options.MaxClients, this)

		switch Options.Store {
		case "kafka":
			store.DefaultSubStore = storekfk.NewSubStore(this.subServer.closedConnCh, Options.Debug)

		case "dummy":
			store.DefaultSubStore = storedummy.NewSubStore(this.subServer.closedConnCh, Options.Debug)

		default:
			panic("invalid store")

		}
	}

	return this
}
示例#3
0
文件: gateway.go 项目: chendx79/gafka
func New(id string) *Gateway {
	this := &Gateway{
		id:           id,
		shutdownCh:   make(chan struct{}),
		certFile:     Options.CertFile,
		keyFile:      Options.KeyFile,
		clientStates: NewClientStates(),
	}

	this.zkzone = gzk.NewZkZone(gzk.DefaultConfig(Options.Zone, ctx.ZoneZkAddrs(Options.Zone)))
	if err := this.zkzone.Ping(); err != nil {
		panic(err)
	}

	if Options.EnableRegistry {
		registry.Default = zk.New(Options.Zone, this.id, this.InstanceInfo())
	}
	metaConf := zkmeta.DefaultConfig()
	metaConf.Refresh = Options.MetaRefresh
	meta.Default = zkmeta.New(metaConf, this.zkzone)
	this.guard = newGuard(this)
	this.timer = timewheel.NewTimeWheel(time.Second, 120)
	this.accessLogger = NewAccessLogger("access_log", 100)
	this.svrMetrics = NewServerMetrics(Options.ReporterInterval, this)

	// initialize the manager store
	switch Options.ManagerStore {
	case "mysql":
		cf := mandb.DefaultConfig(Options.Zone)
		cf.Refresh = Options.ManagerRefresh
		manager.Default = mandb.New(cf)
		manager.Default.AllowSubWithUnregisteredGroup(Options.PermitUnregisteredGroup)

	case "dummy":
		manager.Default = mandummy.New()

	default:
		panic("invalid manager store")
	}

	// initialize the servers on demand
	if Options.ManHttpAddr != "" || Options.ManHttpsAddr != "" {
		this.manServer = newManServer(Options.ManHttpAddr, Options.ManHttpsAddr,
			Options.MaxClients, this)
	}
	if Options.PubHttpAddr != "" || Options.PubHttpsAddr != "" {
		this.pubServer = newPubServer(Options.PubHttpAddr, Options.PubHttpsAddr,
			Options.MaxClients, this)

		switch Options.Store {
		case "kafka":
			store.DefaultPubStore = storekfk.NewPubStore(Options.PubPoolCapcity, Options.PubPoolIdleTimeout,
				Options.UseCompress, &this.wg, Options.Debug, Options.DryRun)

		case "dummy":
			store.DefaultPubStore = storedummy.NewPubStore(&this.wg, Options.Debug)

		default:
			panic("invalid store")
		}
	}
	if Options.SubHttpAddr != "" || Options.SubHttpsAddr != "" {
		this.subServer = newSubServer(Options.SubHttpAddr, Options.SubHttpsAddr,
			Options.MaxClients, this)

		switch Options.Store {
		case "kafka":
			store.DefaultSubStore = storekfk.NewSubStore(&this.wg,
				this.subServer.closedConnCh, Options.Debug)

		case "dummy":
			store.DefaultSubStore = storedummy.NewSubStore(&this.wg,
				this.subServer.closedConnCh, Options.Debug)

		default:
			panic("invalid store")

		}
	}

	return this
}