Ejemplo n.º 1
0
//
// 删除Service Endpoint
//
func (s *ServiceEndpoint) DeleteServiceEndpoint(top *zk.Topology) {
	path := top.ProductServiceEndPointPath(s.Service, s.ServiceId)
	if ok, _ := top.Exist(path); ok {
		zkhelper.DeleteRecursive(top.ZkConn, path, -1)
		log.Println(Red("DeleteServiceEndpoint"), "Path: ", path)
	}
}
Ejemplo n.º 2
0
func GetServiceEndpoint(top *zk.Topology, service string, serviceId string) (endpoint *ServiceEndpoint, err error) {

	path := top.ProductServiceEndPointPath(service, serviceId)
	data, _, err := top.ZkConn.Get(path)
	if err != nil {
		return nil, err
	}
	endpoint = &ServiceEndpoint{}
	err = json.Unmarshal(data, endpoint)
	if err != nil {
		return nil, err
	} else {
		return endpoint, nil
	}
}
Ejemplo n.º 3
0
//
// 注册一个服务的Endpoints
//
func (s *ServiceEndpoint) AddServiceEndpoint(topo *zk.Topology) error {
	path := topo.ProductServiceEndPointPath(s.Service, s.ServiceId)
	data, err := json.Marshal(s)
	if err != nil {
		return err
	}

	// 创建Service(XXX: Service本身不包含数据)
	zk.CreateRecursive(topo.ZkConn, os_path.Dir(path), "", 0, zkhelper.DefaultDirACLs())

	// 当前的Session挂了,服务就下线
	// topo.FlagEphemeral

	// 参考: https://www.box.com/blog/a-gotcha-when-using-zookeeper-ephemeral-nodes/
	// 如果之前的Session信息还存在,则先删除;然后再添加
	topo.ZkConn.Delete(path, -1)
	var pathCreated string
	pathCreated, err = topo.ZkConn.Create(path, []byte(data), int32(zookeeper.FlagEphemeral), zkhelper.DefaultFileACLs())

	log.Println(Green("AddServiceEndpoint"), "Path: ", pathCreated, ", Error: ", err)
	return err
}