private function createSite($siteLabel, $siteDomain)
    {
        $site = new \BackBee\Site\Site(md5($this->siteLabel));
        $site
            ->setLabel($siteLabel)
            ->setServerName($siteDomain)
        ;
        $this->entyMgr->persist($site);
        $this->entyMgr->flush($site);

        return $site;
    }