DBServer::GetCloudServerID PHP Method

    public function GetCloudServerID($skipCache = false)
    {
        if (!$this->cloudServerID || $skipCache == true) {
            $this->cloudServerID = PlatformFactory::NewPlatform($this->platform)->GetServerID($this);
        }
        return $this->cloudServerID;
    }

 /**
  * Associates IP Address to the server
  *
  * @param   DBServer           $dbServer  DBServer object
  * @param   string             $ipAddress Public IP address to associate with server.
  * @throws  Exception
  */
 private static function associateIpAddress(DBServer $dbServer, $ipAddress, $allocationId = null)
 {
     $platform = PlatformFactory::NewPlatform($dbServer->platform);
     $cs = Scalr_Service_Cloud_Cloudstack::newCloudstack($platform->getConfigVariable(Modules_Platforms_Cloudstack::API_URL, $dbServer->GetEnvironmentObject()), $platform->getConfigVariable(Modules_Platforms_Cloudstack::API_KEY, $dbServer->GetEnvironmentObject()), $platform->getConfigVariable(Modules_Platforms_Cloudstack::SECRET_KEY, $dbServer->GetEnvironmentObject()), $dbServer->platform);
     $assign_retries = 1;
     $retval = false;
     // Remove OLD static NAT
     if ($dbServer->remoteIp) {
         try {
             $info = $cs->listPublicIpAddresses(null, null, null, null, null, $dbServer->remoteIp);
             $info = $info->publicipaddress[0];
             if ($info->issystem && $info->isstaticnat) {
                 $cs->disableStaticNat($info->id);
             }
         } catch (Exception $e) {
             Logger::getLogger('Cloudstack_Helper')->error("Unable to disable old static NAT: {$e->getMessage()}");
         }
     }
     try {
         $cs->disableStaticNat($allocationId);
     } catch (Exception $e) {
     }
     $assignRetries = 0;
     while (true) {
         try {
             $assignRetries++;
             $cs->enableStaticNat($allocationId, $dbServer->GetCloudServerID());
             $retval = true;
             break;
         } catch (Exception $e) {
             if (!stristr($e->getMessage(), "already assigned to antoher vm") || $assignRetries == 3) {
                 throw new Exception($e->getMessage());
             } else {
                 sleep(1);
             }
         }
         //break;
     }
     return $retval;
 }