func (top *Topology) Close(proxyName string) {
// delete fence znode
pi, err := models.GetProxyInfo(top.zkConn, top.ProductName, proxyName)
if err != nil {
log.Errorf("killing fence error, proxy %s is not exists", proxyName)
} else {
zkhelper.DeleteRecursive(top.zkConn, path.Join(models.GetProxyFencePath(top.ProductName), pi.Addr), -1)
}
// delete ephemeral znode
zkhelper.DeleteRecursive(top.zkConn, path.Join(models.GetProxyPath(top.ProductName), proxyName), -1)
top.zkConn.Close()
}
func (top *Topology) GetProxyInfo(proxyName string) (*models.ProxyInfo, error) {
var err error
var proxy *models.ProxyInfo
for {
proxy, err = models.GetProxyInfo(top.zkConn, top.ProductName, proxyName)
if err == nil || top.IsFatalErr(err) {
break
} else {
time.Sleep(ZK_RECONNECT_INTERVAL * time.Second)
}
if err != nil {
log.ErrorErrorf(err, "GetProxyInfo ")
proxy = nil
}
}
return proxy, err
}
func (top *Topology) GetProxyInfo(proxyName string) (*models.ProxyInfo, error) {
return models.GetProxyInfo(top.zkConn, top.ProductName, proxyName)
}