LibreNMS/LibreNMS/Alert/Transport/Alertmanager.php

109 lines
3.5 KiB
PHP

<?php
/* Copyright (C) 2019 LibreNMS
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>. */
/**
* Alertmanager Transport
* @copyright 2019 LibreNMS
* @license GPL
*/
namespace LibreNMS\Alert\Transport;
use LibreNMS\Alert\Transport;
use LibreNMS\Config;
use LibreNMS\Enum\AlertState;
class Alertmanager extends Transport
{
public function deliverAlert($obj, $opts)
{
$alertmanager_opts = $this->parseUserOptions($this->config['alertmanager-options']);
$alertmanager_opts['url'] = $this->config['alertmanager-url'];
return $this->contactAlertmanager($obj, $alertmanager_opts);
}
public static function contactAlertmanager($obj, $api)
{
if ($obj['state'] == AlertState::RECOVERED) {
$alertmanager_status = 'endsAt';
} else {
$alertmanager_status = 'startsAt';
}
$gen_url = (Config::get('base_url') . 'device/device=' . $obj['device_id']);
$host = ($api['url'] . '/api/v2/alerts');
$curl = curl_init();
$alertmanager_msg = strip_tags($obj['msg']);
$data = [[
$alertmanager_status => date('c'),
'generatorURL' => $gen_url,
'annotations' => [
'summary' => $obj['name'],
'title' => $obj['title'],
'description' => $alertmanager_msg,
],
'labels' => [
'alertname' => $obj['name'],
'severity' => $obj['severity'],
'instance' => $obj['hostname'],
],
]];
unset($api['url']);
foreach ($api as $label => $value) {
$data[0]['labels'][$label] = $value;
}
$alert_message = json_encode($data);
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
set_curl_proxy($curl);
curl_setopt($curl, CURLOPT_URL, $host);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $alert_message);
$ret = curl_exec($curl);
$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($code != 200) {
return 'HTTP Status code ' . $code;
}
return true;
}
public static function configTemplate()
{
return [
'config' => [
[
'title' => 'Alertmanager URL',
'name' => 'alertmanager-url',
'descr' => 'Alertmanager Webhook URL',
'type' => 'text',
],
[
'title' => 'Alertmanager Options',
'name' => 'alertmanager-options',
'descr' => 'Alertmanager Options',
'type' => 'textarea',
],
],
'validation' => [
'alertmanager-url' => 'required|url',
],
];
}
}