func runMaster(cmd *Command, args []string) bool {
if *mMaxCpu < 1 {
*mMaxCpu = runtime.NumCPU()
}
runtime.GOMAXPROCS(*mMaxCpu)
topo = topology.NewTopology("topo", *confFile, *metaFolder, "weed", uint64(*volumeSizeLimitMB)*1024*1024, *mpulse)
vg = replication.NewDefaultVolumeGrowth()
log.Println("Volume Size Limit is", *volumeSizeLimitMB, "MB")
http.HandleFunc("/dir/assign", dirAssignHandler)
http.HandleFunc("/dir/lookup", dirLookupHandler)
http.HandleFunc("/dir/join", dirJoinHandler)
http.HandleFunc("/dir/status", dirStatusHandler)
http.HandleFunc("/vol/grow", volumeGrowHandler)
http.HandleFunc("/vol/status", volumeStatusHandler)
topo.StartRefreshWritableVolumes()
log.Println("Start Weed Master", VERSION, "at port", strconv.Itoa(*mport))
srv := &http.Server{
Addr: ":" + strconv.Itoa(*mport),
Handler: http.DefaultServeMux,
ReadTimeout: time.Duration(*mReadTimeout) * time.Second,
}
e := srv.ListenAndServe()
if e != nil {
log.Fatalf("Fail to start:%s", e.Error())
}
return true
}
func setup(topologyLayout string) *topology.Topology {
var data interface{}
err := json.Unmarshal([]byte(topologyLayout), &data)
if err != nil {
fmt.Println("error:", err)
}
fmt.Println("data:", data)
//need to connect all nodes first before server adding volumes
topo := topology.NewTopology("mynetwork", "/etc/weedfs/weedfs.conf", "/tmp", "testing", 32*1024, 5)
mTopology := data.(map[string]interface{})
for dcKey, dcValue := range mTopology {
dc := topology.NewDataCenter(dcKey)
dcMap := dcValue.(map[string]interface{})
topo.LinkChildNode(dc)
for rackKey, rackValue := range dcMap {
rack := topology.NewRack(rackKey)
rackMap := rackValue.(map[string]interface{})
dc.LinkChildNode(rack)
for serverKey, serverValue := range rackMap {
server := topology.NewDataNode(serverKey)
serverMap := serverValue.(map[string]interface{})
rack.LinkChildNode(server)
for _, v := range serverMap["volumes"].([]interface{}) {
m := v.(map[string]interface{})
vi := storage.VolumeInfo{Id: storage.VolumeId(int64(m["id"].(float64))), Size: int64(m["size"].(float64))}
server.AddOrUpdateVolume(vi)
}
server.UpAdjustMaxVolumeCountDelta(int(serverMap["limit"].(float64)))
}
}
}
return topo
}
