protected function registerHyperVisor(IOpenStackImplementation $implementation, $hypervisor_type_id)
 {
     $hypervisor = $this->hypervisor_type_repository->getById($hypervisor_type_id);
     if (!$hypervisor) {
         throw new NotFoundEntityException('', '');
     }
     $implementation->addHyperVisor($hypervisor);
 }