function deleteConfig($zkClient, $parser)
{
/*{{{*/
$required = array("hostname", "log_path");
$invalidOptions = array_diff(array_keys(AdminUtils::$LOG_COLLECTION_CONFIG_ITEMS), $required);
CommandLineUtils::checkRequiredArgs($parser, $required);
//CommandLineUtils::checkInvalidArgs($parser, 'delete', $invalidOptions);
$configs = getConfig($parser, AdminUtils::$LOG_COLLECTION_CONFIG_ITEMS);
AdminUtils::deleteConfig($zkClient, $configs);
}