Current File : //backups/router/usr/local/opnsense/scripts/OPNsense/Monit/gateway_alert
#!/usr/local/bin/php
<?php
/*
* Copyright (C) 2018 Deciso B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
require_once 'config.inc';
require_once 'interfaces.inc';
require_once 'util.inc';
require_once 'plugins.inc.d/dpinger.inc';
/**
* @param string $status
* @param string $gwname
* @param array $group
* @return string|null A string detailing the error if there is one, null if there is no error.
*/
function get_gateway_error(string $status, string $gwname, array $group)
{
if (stristr($status, 'down') !== false) {
return sprintf(gettext('MONITOR: %s is down, removing from routing group %s'), $gwname, $group['name']);
} elseif (stristr($status, 'loss') !== false && stristr($group['trigger'], 'loss') !== false) {
return sprintf(gettext('MONITOR: %s has packet loss, removing from routing group %s'), $gwname, $group['name']);
} elseif (stristr($status, 'delay') !== false && stristr($group['trigger'], 'latency') !== false) {
return sprintf(gettext('MONITOR: %s has high latency, removing from routing group %s'), $gwname, $group['name']);
} else {
return null;
}
}
$gateways_status = dpinger_status();
$clean = true;
if (isset($config['gateways']['gateway_group'])) {
foreach ($config['gateways']['gateway_group'] as $group) {
$tiers_online = 0;
foreach ($group['item'] as $item) {
$gwname = explode("|", $item)[0];
if (!empty($gateways_status[$gwname])) {
$msg = get_gateway_error($gateways_status[$gwname]['status'], $gwname, $group);
if (!empty($msg)) {
echo $msg . PHP_EOL;
$clean = false;
} else {
$tiers_online++;
}
}
}
if ($tiers_online == 0) {
/* Oh dear, we have no members!*/
$msg = sprintf(gettext('Gateways status could not be determined, considering all as up/active. (Group: %s)'), $group['name']);
echo $msg . PHP_EOL;
$clean = false;
}
}
}
if ($clean) {
exit(0);
} else {
exit(1);
}
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