prolog.php

См. документацию.

<?php
define('ADMIN_MODULE_NAME', 'cluster');
 
$message = null;
if (CModule::IncludeModule('cluster'))
{
    if (!CCluster::checkForServers(0))
    {
        $message = new CAdminMessage(['MESSAGE' => GetMessage('CLUSTER_SERVER_COUNT_ERROR'), 'TYPE' => 'ERROR']);
    }
}