func (this *electServer) syncCluster() (err error) {
b, err := json.Marshal(this.peerConfig)
if err != nil {
return
}
var peers = make(PeerConfigMap)
for name, peer := range this.raftServer.Peers() {
resp, err := http.Post(peer.ConnectionString+"/peer_exchange", "application/json", bytes.NewBuffer(b))
if err != nil {
log.Errorf("post faild : %s", err.Error())
continue
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
log.Errorf("%s : resp code not 200", peer.ConnectionString)
continue
}
var peerConfig = new(PeerConfig)
if err = json.NewDecoder(resp.Body).Decode(peerConfig); err != nil {
log.Errorf("decode response from %s faild : %s", peer.ConnectionString, err.Error())
continue
}
peers[name] = peerConfig
}
peers[this.Name] = this.peerConfig
this.peers = peers
return
}
func (this *electServer) Router(w http.ResponseWriter, r *http.Request) {
var err error
switch r.URL.Path {
case "/join":
err = this.doJoin(r)
case "/peers":
err = json.NewEncoder(w).Encode(this.doPeers())
case "/leader":
err = json.NewEncoder(w).Encode(this.doLeader())
case "/peer_config":
err = json.NewEncoder(w).Encode(this.doPeerConfig())
case "/peer_exchange":
err = this.doExchangePeerConfig(r, w)
case "/stat":
err = this.doStat(w)
default:
resp := web.ApiResponse{404, "NOT_FOUND", nil}
resp.Write(w)
}
if err != nil {
resp := web.ApiResponse{502, err.Error(), nil}
resp.Write(w)
log.Errorf("%s handel faild : %s", r.URL.Path, err.Error())
}
}
func NewHttpServe(conf Config, leader string) (err error) {
var server = new(httpServer)
// 初始化daemon配置
if err = conf.DaemonBase.InitAll(); err != nil {
log.Noticef("new http serve daemon base init faild: %+v --- %s\n ", conf.DaemonBase, err.Error())
return
}
server.DaemonBase = conf.DaemonBase
// 初始化collie配置
server.ctx = NewContex()
if err = server.ctx.LoadConfig(conf.ContexConfig); err != nil {
log.Errorf("new http serve contex init faild: %+v\n", conf)
return
}
// 初始化http配置
if err = conf.Http.Check(); err != nil {
log.Noticef("new http serve net base init faild: %+v --- %s\n ", conf, err.Error())
return
}
server.NetBase = conf.Http
if server.elect, err = NewElectServer(conf, leader); err != nil {
log.Error("new elect server faild : ", err.Error())
return
}
// 持久化配置
if err = server.Persistence(); err != nil {
log.Errorf("persistence faild : %s", err.Error())
return
}
// 启动http服务
err = conf.Http.StartHttp(server)
return
}
func (this *Collied) LoadConfig(conf *ContexConfig) (err error) {
conf.Expand()
for name, processConf := range conf.Process {
sheep := process.NewSheep()
if err = sheep.Create(processConf); err != nil {
log.Errorf("load sheep : %+v --- %s", name, err.Error())
return
}
// log.Logf("load sheep : %+v", processConf)
this.sheeps[name] = sheep
}
this.conf.ProcessModel = conf.ProcessModel
this.conf.ConfigPath = conf.ConfigPath
return
}
func (this *Sheep) Start() (err error) {
log.Logf("sheep start : %+v", this.Name)
if err = this.Config.InitAll(); err != nil {
return
}
this.Status = constant.STATUS_STARTING
err = this.cmd.Start()
if err != nil {
this.Status = constant.STATUS_START_FAILED
log.Errorf("start faild:%s:%+v", err.Error(), *this)
return err
}
log.Logf("sheep %s started", this.Name)
go this.watch()
this.Status = constant.STATUS_STARTED
time.Sleep(time.Second)
return nil
}
func (this *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
peers := this.elect.doPeers()
// get peers
var ret = web.ApiResponse{200, "ok", nil}
var collies = make(PeerConfigMap)
if len(r.URL.Query()["collie"]) == 0 {
collies = peers
} else {
for _, collie := range r.URL.Query()["collie"] {
if peer, ok := peers[collie]; ok {
collies[collie] = peer
} else {
ret.Set(collie, web.ApiResponse{500, "collie unvalaible : " + collie, nil})
}
}
}
for name, peer := range collies {
if name == this.Name {
ret.Set(name, this.router(r))
} else {
query := r.URL.Query()
query["collie"] = []string{name}
resps := this.proxy(fmt.Sprintf("http://%s%s?%s", peer.HttpAddr, r.URL.Path, query.Encode()), r.Body)
if _, ok := resps.Data.(map[string]interface{}); ok {
for name, resp := range resps.Data.(map[string]interface{}) {
ret.Set(name, resp)
}
} else {
log.Errorf("bad format : %+v", reflect.TypeOf(resps.Data))
}
}
}
ret.Write(w)
}