Exemplo n.º 1
0
func NewMasterServer(r *mux.Router, port int, metaFolder string,
	volumeSizeLimitMB uint,
	pulseSeconds int,
	confFile string,
	defaultReplicaPlacement string,
	garbageThreshold string,
	whiteList []string,
	secureKey string,
) *MasterServer {
	ms := &MasterServer{
		port:                    port,
		volumeSizeLimitMB:       volumeSizeLimitMB,
		pulseSeconds:            pulseSeconds,
		defaultReplicaPlacement: defaultReplicaPlacement,
		garbageThreshold:        garbageThreshold,
	}
	ms.bounedLeaderChan = make(chan int, 16)
	seq := sequence.NewMemorySequencer()
	var e error
	if ms.Topo, e = topology.NewTopology("topo", confFile, seq,
		uint64(volumeSizeLimitMB)*1024*1024, pulseSeconds); e != nil {
		glog.Fatalf("cannot create topology:%s", e)
	}
	ms.vg = topology.NewDefaultVolumeGrowth()
	glog.V(0).Infoln("Volume Size Limit is", volumeSizeLimitMB, "MB")

	ms.guard = security.NewGuard(whiteList, secureKey)

	r.HandleFunc("/", ms.uiStatusHandler)
	r.HandleFunc("/ui/index.html", ms.uiStatusHandler)
	r.HandleFunc("/dir/assign", ms.proxyToLeader(ms.guard.WhiteList(ms.dirAssignHandler)))
	r.HandleFunc("/dir/lookup", ms.proxyToLeader(ms.guard.WhiteList(ms.dirLookupHandler)))
	r.HandleFunc("/dir/join", ms.proxyToLeader(ms.guard.WhiteList(ms.dirJoinHandler)))
	r.HandleFunc("/dir/status", ms.proxyToLeader(ms.guard.WhiteList(ms.dirStatusHandler)))
	r.HandleFunc("/col/delete", ms.proxyToLeader(ms.guard.WhiteList(ms.collectionDeleteHandler)))
	r.HandleFunc("/vol/lookup", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeLookupHandler)))
	r.HandleFunc("/vol/grow", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeGrowHandler)))
	r.HandleFunc("/vol/status", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeStatusHandler)))
	r.HandleFunc("/vol/vacuum", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeVacuumHandler)))
	r.HandleFunc("/submit", ms.guard.WhiteList(ms.submitFromMasterServerHandler))
	r.HandleFunc("/delete", ms.guard.WhiteList(ms.deleteFromMasterServerHandler))
	r.HandleFunc("/{fileId}", ms.proxyToLeader(ms.redirectHandler))
	r.HandleFunc("/stats/counter", ms.guard.WhiteList(statsCounterHandler))
	r.HandleFunc("/stats/memory", ms.guard.WhiteList(statsMemoryHandler))

	ms.Topo.StartRefreshWritableVolumes(garbageThreshold)

	return ms
}
Exemplo n.º 2
0
func NewVolumeServer(adminMux, publicMux *http.ServeMux, ip string,
	port int, publicUrl string,
	folders []string, maxCounts []int,
	needleMapKind storage.NeedleMapType,
	masterNode string, pulseSeconds int,
	dataCenter string, rack string,
	whiteList []string,
	fixJpgOrientation bool) *VolumeServer {
	vs := &VolumeServer{
		pulseSeconds:      pulseSeconds,
		dataCenter:        dataCenter,
		rack:              rack,
		needleMapKind:     needleMapKind,
		FixJpgOrientation: fixJpgOrientation,
	}
	vs.SetMasterNode(masterNode)
	vs.store = storage.NewStore(port, ip, publicUrl, folders, maxCounts, vs.needleMapKind)

	vs.guard = security.NewGuard(whiteList, "")

	adminMux.HandleFunc("/ui/index.html", vs.uiStatusHandler)
	adminMux.HandleFunc("/status", vs.guard.WhiteList(vs.statusHandler))
	adminMux.HandleFunc("/admin/assign_volume", vs.guard.WhiteList(vs.assignVolumeHandler))
	adminMux.HandleFunc("/admin/vacuum/check", vs.guard.WhiteList(vs.vacuumVolumeCheckHandler))
	adminMux.HandleFunc("/admin/vacuum/compact", vs.guard.WhiteList(vs.vacuumVolumeCompactHandler))
	adminMux.HandleFunc("/admin/vacuum/commit", vs.guard.WhiteList(vs.vacuumVolumeCommitHandler))
	adminMux.HandleFunc("/admin/delete_collection", vs.guard.WhiteList(vs.deleteCollectionHandler))
	adminMux.HandleFunc("/admin/sync/status", vs.guard.WhiteList(vs.getVolumeSyncStatusHandler))
	adminMux.HandleFunc("/admin/sync/index", vs.guard.WhiteList(vs.getVolumeIndexContentHandler))
	adminMux.HandleFunc("/admin/sync/data", vs.guard.WhiteList(vs.getVolumeDataContentHandler))
	adminMux.HandleFunc("/stats/counter", vs.guard.WhiteList(statsCounterHandler))
	adminMux.HandleFunc("/stats/memory", vs.guard.WhiteList(statsMemoryHandler))
	adminMux.HandleFunc("/stats/disk", vs.guard.WhiteList(vs.statsDiskHandler))
	adminMux.HandleFunc("/delete", vs.guard.WhiteList(vs.batchDeleteHandler))
	adminMux.HandleFunc("/", vs.privateStoreHandler)
	if publicMux != adminMux {
		// separated admin and public port
		publicMux.HandleFunc("/", vs.publicReadOnlyHandler)
	}

	go func() {
		connected := true

		glog.V(0).Infof("Volume server bootstraps with master %s", vs.GetMasterNode())
		vs.store.SetBootstrapMaster(vs.GetMasterNode())
		vs.store.SetDataCenter(vs.dataCenter)
		vs.store.SetRack(vs.rack)
		for {
			glog.V(4).Infof("Volume server sending to master %s", vs.GetMasterNode())
			master, secretKey, err := vs.store.SendHeartbeatToMaster()
			if err == nil {
				if !connected {
					connected = true
					vs.SetMasterNode(master)
					vs.guard.SecretKey = secretKey
					glog.V(0).Infoln("Volume Server Connected with master at", master)
				}
			} else {
				glog.V(1).Infof("Volume Server Failed to talk with master %s: %v", vs.masterNode, err)
				if connected {
					connected = false
				}
			}
			if connected {
				time.Sleep(time.Duration(float32(vs.pulseSeconds*1e3)*(1+rand.Float32())) * time.Millisecond)
			} else {
				time.Sleep(time.Duration(float32(vs.pulseSeconds*1e3)*0.25) * time.Millisecond)
			}
		}
	}()

	return vs
}