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Added Alerting
This commit is contained in:
f0o
parent
dbf407746c
commit
c0e1d9cbc5
231
alerts.php
231
alerts.php
@ -1,16 +1,26 @@
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#!/usr/bin/env php
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#!/usr/bin/env php
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<?php
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<?php
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/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/**
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/**
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* Observium
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* Alerts Cronjob
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*
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* @author f0o <f0o@devilcode.org>
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* This file is part of Observium.
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* @copyright 2014 f0o, LibreNMS
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*
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* @license GPL
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* @package observium
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* @package LibreNMS
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* @subpackage alerts
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* @subpackage Alerts
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* @author Adam Armstrong <adama@memetic.org>
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* @copyright (C) 2006 - 2012 Adam Armstrong
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*
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*/
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*/
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include("includes/defaults.inc.php");
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include("includes/defaults.inc.php");
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@ -18,22 +28,199 @@ include("config.php");
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include("includes/definitions.inc.php");
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include("includes/definitions.inc.php");
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include("includes/functions.php");
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include("includes/functions.php");
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foreach (dbFetchRows("SELECT *, A.id AS id FROM `alerts` AS A, `devices` AS D WHERE A.device_id = D.device_id AND alerted = '0'") as $alert)
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RunAlerts();
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{
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$id = $alert['id'];
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$host = $alert['hostname'];
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$date = $alert['time_logged'];
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$msg = $alert['message'];
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$alert_text .= "$date $host $msg";
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dbUpdate(array('alerted' => '1'), 'alerts', '`id` = ?', array($id));
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/**
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* Run all alerts
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* @return void
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*/
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function RunAlerts() {
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global $config;
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$default_tpl = "%title\r\nSeverity: %severity\r\n{if %state == 0}Time elapsed: %elapsed\r\n{/if}Timestamp: %timestamp\r\nUnique-ID: %uid\r\nRule: %rule\r\n{if %faults}Faults:\r\n{foreach %faults} #%key: %value\r\n{/foreach}{/if}Alert sent to: {foreach %contacts}%value <%key> {/foreach}"; //FIXME: Put somewhere else?
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foreach( dbFetchRows("SELECT alerts.device_id, alerts.rule_id, alerts.state FROM alerts WHERE alerts.state != 2 && alerts.open = 1") as $alert ) {
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$alert = dbFetchRow("SELECT alert_log.id,alert_log.rule_id,alert_log.device_id,alert_log.state,alert_log.details,alert_log.time_logged,alert_rules.rule,alert_rules.severity,alert_rules.extra FROM alert_log,alert_rules WHERE alert_log.rule_id = alert_rules.id && alert_log.device_id = ? && alert_log.rule_id = ? ORDER BY alert_log.id DESC LIMIT 1",array($alert['device_id'],$alert['rule_id']));
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$alert['details'] = json_decode(gzuncompress($alert['details']),true);
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$noiss = false;
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$noacc = false;
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$updet = false;
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$rextra = json_decode($alert['extra'],true);
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$chk = dbFetchRow('SELECT alerted FROM alerts WHERE device_id = ? && rule_id = ?',array($alert['device_id'],$alert['rule_id']));
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if( $chk['alerted'] == $alert['state'] ) {
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$noiss = true;
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}
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if( !empty($rextra['delay']) ) {
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if( (time()-strtotime($alert['time_logged'])) < $rextra['delay'] || (!empty($alert['details']['delay']) && (time()-$alert['details']['delay']) < $rextra['delay']) ) {
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continue;
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} else {
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$alert['details']['delay'] = time();
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$updet = true;
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}
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}
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if( $alert['state'] == 1 && !empty($rextra['count']) && ($rextra['count'] == -1 || $alert['details']['count']++ < $rextra['count']) ) {
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if( $alert['details']['count'] < $rextra['count'] ) {
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$noacc = true;
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}
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$updet = true;
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$noiss = false;
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}
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if( $updet ) {
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dbUpdate(array('details' => gzcompress(json_encode($alert['details']),9)),'alert_log','id = ?',array($alert['id']));
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}
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if( !empty($rextra['muted']) ) {
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echo "Muted Alert-UID #".$alert['id']."\r\n";
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$noiss = true;
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}
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if( !$noiss ) {
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$obj = DescribeAlert($alert);
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if( is_array($obj) ) {
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$tpl = dbFetchRow('SELECT template FROM alert_templates WHERE rule_id LIKE "%,'.$alert['rule_id'].',%"');
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if( isset($tpl['template']) ) {
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$tpl = $tpl['template'];
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} else {
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$tpl = $default_tpl;
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}
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echo "Issuing Alert-UID #".$alert['id'].": ";
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$msg = FormatAlertTpl($tpl,$obj);
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$obj['msg'] = $msg;
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if( !empty($config['alert']['transports']) ) {
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ExtTransports($obj);
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}
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echo "\r\n";
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dbUpdate(array('alerted' => $alert['state']),'alerts','rule_id = ? && device_id = ?', array($alert['rule_id'], $alert['device_id']));
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}
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}
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if( !$noacc ) {
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dbUpdate(array('open' => 0),'alerts','rule_id = ? && device_id = ?', array($alert['rule_id'], $alert['device_id']));
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}
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}
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}
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}
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if ($alert_text)
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/**
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{
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* Run external transports
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echo("$alert_text");
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* @param array $obj Alert-Array
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# `echo '$alert_text' | gnokii --sendsms <NUMBER>`;
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* @return void
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*/
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function ExtTransports($obj) {
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global $config;
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foreach( $config['alert']['transports'] as $transport=>$opts ) {
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if( file_exists($config['install_dir']."/includes/alerts/transport.".$transport.".php") ) {
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echo $transport." => ";
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eval('$tmp = function($obj,$opts) { global $config; '.file_get_contents($config['install_dir']."/includes/alerts/transport.".$transport.".php").' };');
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$tmp = $tmp($obj,$opts);
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echo ($tmp ? "OK" : "ERROR")."; ";
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}
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}
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}
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}
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/**
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* Format Alert
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* @param string $tpl Template
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* @param array $obj Alert-Array
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* @return string
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*/
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function FormatAlertTpl($tpl,$obj) {
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$tpl = addslashes($tpl);
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/**
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* {if ..}..{else}..{/if}
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*/
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preg_match_all('/\\{if (.+)\\}(.+)\\{\\/if\\}/Uims',$tpl,$m);
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foreach( $m[1] as $k=>$if ) {
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$if = preg_replace('/%(\w+)/i','\$obj["$1"]', $if);
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$ret = "";
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$cond = "if( $if ) {\r\n".'$ret = "'.str_replace("{else}",'";'."\r\n} else {\r\n".'$ret = "',$m[2][$k]).'";'."\r\n}\r\n";
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eval($cond); //FIXME: Eval is Evil
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$tpl = str_replace($m[0][$k],$ret,$tpl);
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}
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/**
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* {foreach %var}..{/foreach}
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*/
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preg_match_all('/\\{foreach (.+)\\}(.+)\\{\\/foreach\\}/Uims',$tpl,$m);
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foreach( $m[1] as $k=>$for ) {
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$for = preg_replace('/%(\w+)/i','\$obj["$1"]', $for);
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$ret = "";
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$loop = 'foreach( '.$for.' as $key=>$value ) { $ret .= "'.str_replace(array("%key","%value"),array('$key','$value'),$m[2][$k]).'"; }';
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eval($loop); //FIXME: Eval is Evil
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$tpl = str_replace($m[0][$k],$ret,$tpl);
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}
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/**
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* Populate variables with data
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*/
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foreach( $obj as $k=>$v ) {
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$tpl = str_replace("%".$k, $v, $tpl);
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}
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return $tpl;
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}
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/**
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* Describe Alert
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* @param array $alert Alert-Result from DB
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* @return array
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*/
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function DescribeAlert($alert) {
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$tmp = array();
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$obj = array();
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$device = dbFetchRow("SELECT hostname FROM devices WHERE device_id = ?",array($alert['device_id']));
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$obj['hostname'] = $device['hostname'];
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$extra = $alert['details'];
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$s = (sizeof($extra['rule']) > 1);
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if( $alert['state'] == 1 ) {
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$obj['title'] = 'Alert for device '.$device['hostname'].' Alert-ID #'.$alert['id'];
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foreach( $extra['rule'] as $incident ) {
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$i++;
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foreach( $incident as $k=>$v ) {
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if( !empty($v) && $k != 'device_id' && (stristr($k,'id') || stristr($k,'desc')) && substr_count($k,'_') <= 1 ) {
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$obj['faults'][$i] .= $k.' => '.$v."; ";
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}
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}
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}
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} elseif( $alert['state'] == 0 ) {
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$id = dbFetchRow("SELECT alert_log.id,alert_log.time_logged,alert_log.details FROM alert_log WHERE alert_log.state = 1 && alert_log.rule_id = ? && alert_log.device_id = ? && alert_log.id < ? ORDER BY id DESC LIMIT 1", array($alert['rule_id'],$alert['device_id'],$alert['id']));
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if( empty($id['id']) ) {
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return false;
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}
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$extra = json_decode(gzuncompress($id['details']),true);
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$s = (sizeof($extra['rule']) > 1);
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$obj['title'] = 'Device '.$device['hostname'].' recovered from Alert-ID #'.$id['id'];
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$obj['elapsed'] = TimeFormat(strtotime($alert['time_logged'])-strtotime($id['time_logged']));
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$obj['id'] = $id['id'];
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$obj['faults'] = false;
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} else {
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return "Unknown State";
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}
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$obj['uid'] = $alert['id'];
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$obj['severity'] = $alert['severity'];
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$obj['rule'] = $alert['rule'];
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$obj['timestamp'] = $alert['time_logged'];
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$obj['contacts'] = $extra['contacts'];
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$obj['state'] = $alert['state'];
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return $obj;
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}
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/**
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* Format Elapsed Time
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* @param int $secs Seconds elapsed
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* @return string
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*/
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function TimeFormat($secs){
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$bit = array(
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'y' => $secs / 31556926 % 12,
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'w' => $secs / 604800 % 52,
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'd' => $secs / 86400 % 7,
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'h' => $secs / 3600 % 24,
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'm' => $secs / 60 % 60,
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's' => $secs % 60
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);
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foreach($bit as $k => $v){
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if($v > 0) {
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$ret[] = $v . $k;
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}
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}
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if( empty($ret) ) {
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return "none";
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}
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return join(' ', $ret);
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}
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?>
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?>
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165
doc/Alerting.md
Normal file
165
doc/Alerting.md
Normal file
@ -0,0 +1,165 @@
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Table of Content:
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- [About](#about)
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- [Rules](#rules)
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- [Syntax](#rules-syntax)
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- [Examples](#rules-examples)
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- [Templates](#templates)
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- [Syntax](#templates-syntax)
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- [Examples](#templates-examples)
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- [Transports](#transports)
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- [E-Mail](#transports-email)
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- [API](#transports-api)
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- [Nagios-Compatible](#transports-nagios)
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- [IRC](#transports-irc)
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# <a name="about">About</a>
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LibreNMS includes a highly customizable alerting system.
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The system requires a set of user-defined rules to evaluate the situation of each device, port, service or any other entity.
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This document only covers the usage of it. See the [DEVELOPMENT.md](https://github.com/f0o/glowing-tyrion/blob/master/DEVELOPMENT.md) for code-documentation.
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# <a name="rules">Rules</a>
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Rules are defined using a logical language.
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The GUI provides a simple way of creating basic as well as complex Rules in a self-describing manner.
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More complex rules can be written manually.
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## <a name="rules-syntax">Syntax</a>
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Rules must consist of at least 3 elements: An __Entity__, a __Condition__ and a __Value__.
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Rules can contain braces and __Glues__.
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__Entities__ are provided as `%`-Noted pair of Table and Field. For Example: `%ports.ifOperStatus`.
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__Conditions__ can be any of:
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- Equals `=`
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- Not Equals `!=`
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- Matches `~`
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- Not Matches `!~`
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- Greater `>`
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- Greater or Equal `>=`
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- Smaller `<`
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- Smaller or Equal `<=`
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__Values__ can be Entities or any single-quoted data.
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__Glues__ can be either `&&` for `AND` or `||` for `OR`.
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__Note__: The difference between `Equals` and `Matches` (and it's negation) is that `Equals` does a strict comparison and `Matches` allows the usage of the placeholder `*`. The placeholder `*` is comparable with `.*` in RegExp.
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## <a name="rules-examples">Examples</a>
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Alert when:
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- Device goes down: `%devices.status != '1'`
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- Any port changes: `%ports.ifOperStatus != 'up'`
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- Root-directory gets too full: `%storage.storage_descr = '/' && %storage.storage_perc >= '75'`
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- Any storage gets fuller than the 'warning': `%storage.storage_perc >= %storage_perc_warn`
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# <a name="templates">Templates</a>
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Templates can be assigned to a single or a group of rules.
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They can contain any kind of text.
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The template-parser understands `if` and `foreach` controls and replaces certain placeholders with information gathered about the alert.
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## <a name="templates-syntax">Syntax</a>
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Controls:
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- if-else (Else can be omitted):
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`{if %placeholder == 'value'}Some Text{else}Other Text{/if}`
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- foreach-loop:
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`{foreach %placeholder}Key: %key<br/>Value: %value{/foreach}`
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__Limitations__: Currently it is not possible to have nested `if` controls, so `if` inside an `if`. It is also not possible to have an `if` inside a `foreach` control. These limitations are going to be resolved in (near?) future.
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Placeholders:
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- Hostname of the Device: `%hostname`
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- Title for the Alert: `%title`
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- Time Elapsed, Only available on recovery (`%state == 0`): `%elapsed`
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- Alert-ID: `%id`
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- Unique-ID: `%uid`
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- Faults, Only available on alert (`%state == 1`), must be iterated in a foreach: `%faults`
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- State: `%state`
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- Severity: `%severity`
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- Rule: `%rule`
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- Timestamp: `%timestamp`
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- Contacts, must be iterated in a foreach, `%key` holds email and `%value` holds name: `%contacts`
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## <a name="templates-examples">Examples</a>
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Default Template:
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```text
|
||||||
|
%title\r\n
|
||||||
|
Severity: %severity\r\n
|
||||||
|
{if %state == 0}Time elapsed: %elapsed\r\n{/if}
|
||||||
|
Timestamp: %timestamp\r\n
|
||||||
|
Unique-ID: %uid\r\n
|
||||||
|
Rule: %rule\r\n
|
||||||
|
{if %faults}Faults:\r\n
|
||||||
|
{foreach %faults} #%key: %value\r\n{/foreach}{/if}
|
||||||
|
Alert sent to: {foreach %contacts}%value <%key> {/foreach}
|
||||||
|
```
|
||||||
|
|
||||||
|
# <a name="transports">Transports</a>
|
||||||
|
|
||||||
|
Transports are located within `$config['install_dir']/includes/alerts/transports.*.php` and defined as well as configured via `$config['alert']['transports']['Example'] = 'Some Options'`.
|
||||||
|
|
||||||
|
Contacts will be gathered automatically and passed to the configured transports.
|
||||||
|
The contacts will always include the `SysContact` defined in the Device's SNMP configuration and also every LibreNMS-User that has at least `read`-permissions on the entity that is to be alerted.
|
||||||
|
At the moment LibreNMS only supports Port or Device permissions.
|
||||||
|
To include users that have `Global-Read` or `Administrator` permissions it is required to add these additions to the `config.php` respectively:
|
||||||
|
```php
|
||||||
|
$config['alert']['globals'] = true; //Include Global-Read into alert-contacts
|
||||||
|
$config['alert']['admins'] = true; //Include Adminstrators into alert-contacts
|
||||||
|
```
|
||||||
|
|
||||||
|
## <a name="transports-email">E-Mail</a>
|
||||||
|
|
||||||
|
E-Mail transport is enabled with adding the following to your `config.php`:
|
||||||
|
```php
|
||||||
|
$config['alert']['transports']['mail'] = true;
|
||||||
|
```
|
||||||
|
|
||||||
|
The E-Mail transports uses the same email-configuration like the rest of LibreNMS.
|
||||||
|
As a small reminder, here is it's configuration directives including defaults:
|
||||||
|
```php
|
||||||
|
$config['email_backend'] = 'mail'; // Mail backend. Allowed: "mail" (PHP's built-in), "sendmail", "smtp".
|
||||||
|
$config['email_from'] = NULL; // Mail from. Default: "ProjectName" <projectid@`hostname`>
|
||||||
|
$config['email_user'] = $config['project_id'];
|
||||||
|
$config['email_sendmail_path'] = '/usr/sbin/sendmail'; // The location of the sendmail program.
|
||||||
|
$config['email_smtp_host'] = 'localhost'; // Outgoing SMTP server name.
|
||||||
|
$config['email_smtp_port'] = 25; // The port to connect.
|
||||||
|
$config['email_smtp_timeout'] = 10; // SMTP connection timeout in seconds.
|
||||||
|
$config['email_smtp_secure'] = NULL; // Enable encryption. Use 'tls' or 'ssl'
|
||||||
|
$config['email_smtp_auth'] = FALSE; // Whether or not to use SMTP authentication.
|
||||||
|
$config['email_smtp_username'] = NULL; // SMTP username.
|
||||||
|
$config['email_smtp_password'] = NULL; // Password for SMTP authentication.
|
||||||
|
```
|
||||||
|
|
||||||
|
## <a name="transports-api">API</a>
|
||||||
|
|
||||||
|
API transports definitions are a bit more complex than the E-Mail configuration.
|
||||||
|
The basis for configuration is `$config['alert']['transports']['api'][METHOD]` where `METHOD` can be `get`,`post` or `put`.
|
||||||
|
This basis has to contain an array with URLs of each API to call.
|
||||||
|
The URL can have the same placeholders as defined in the [Template-Syntax](#templates-syntax).
|
||||||
|
If the `METHOD` is `get`, all placeholders will be URL-Encoded.
|
||||||
|
The API transport uses cURL to call the APIs, therefore you might need to install `php5-curl` or similar in order to make it work.
|
||||||
|
__Note__: it is highly recommended to define own [Templates](#templates) when you want to use the API transport. The default template might exceed URL-length for GET requests and therefore cause all sorts of errors.
|
||||||
|
|
||||||
|
Example:
|
||||||
|
```php
|
||||||
|
$config['alert']['transports']['api']['get'][] = "https://api.thirdparti.es/issue?apikey=abcdefg&subject=%title";
|
||||||
|
```
|
||||||
|
|
||||||
|
## <a name="transports-nagios">Nagios Compatible</a>
|
||||||
|
|
||||||
|
The nagios transport will feed a FIFO at the defined location with the same format that nagios would.
|
||||||
|
This allows you to use other Alerting-Systems to work with LibreNMS, for example [Flapjack](http://flapjack.io).
|
||||||
|
```php
|
||||||
|
$config['alert']['transports']['nagios'] = "/path/to/my.fifo"; //Flapjack expects it to be at '/var/cache/nagios3/event_stream.fifo'
|
||||||
|
```
|
||||||
|
|
||||||
|
## <a name="transports-irc">IRC</a>
|
||||||
|
|
||||||
|
The IRC transports only works together with the LibreNMS IRC-Bot.
|
||||||
|
Configuration of the LibreNMS IRC-Bot is described [here](https://github.com/librenms/librenms/blob/master/doc/IRC-Bot.md).
|
||||||
|
```php
|
||||||
|
$config['alert']['transports']['irc'] = true;
|
||||||
|
```
|
||||||
@ -1,112 +1,151 @@
|
|||||||
<?php
|
<?php
|
||||||
|
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
|
||||||
|
* 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 <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Observium Network Management and Monitoring System
|
* Alerts Tracking
|
||||||
* Copyright (C) 2006-2012, Adam Armstrong - http://www.observium.org
|
* @author Daniel Preussker <f0o@devilcode.org>
|
||||||
*
|
* @copyright 2014 f0o, LibreNMS
|
||||||
* @package alerting
|
* @license GPL
|
||||||
* @author Adam Armstrong <adama@memetic.org>
|
* @package LibreNMS
|
||||||
*
|
* @subpackage Alerts
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Generate SQL from Rule
|
||||||
|
* @param string $rule Rule to generate SQL for
|
||||||
|
* @return string
|
||||||
|
*/
|
||||||
|
function GenSQL($rule) {
|
||||||
|
$tmp = explode(" ",$rule);
|
||||||
|
$tables = array();
|
||||||
|
foreach( $tmp as $opt ) {
|
||||||
|
if( strstr($opt,'%') && strstr($opt,'.') ) {
|
||||||
|
$tmpp = explode(".",$opt,2);
|
||||||
|
$tmpp[0] = str_replace("%","",$tmpp[0]);
|
||||||
|
$tables[] = mres($tmpp[0]);
|
||||||
|
$rule = str_replace($opt,$tmpp[0].'.'.$tmpp[1],$rule);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
$tables = array_unique($tables);
|
||||||
|
$x = sizeof($tables);
|
||||||
|
$i = 0;
|
||||||
|
$join = "";
|
||||||
|
while( $i < $x ) {
|
||||||
|
if( isset($tables[$i+1]) ) {
|
||||||
|
$join .= $tables[$i].".device_id = ".$tables[$i+1].".device_id && ";
|
||||||
|
}
|
||||||
|
$i++;
|
||||||
|
}
|
||||||
|
$sql = "SELECT * FROM ".implode(",",$tables)." WHERE (".$join."".$tables[0].".device_id = ?) && (".str_replace(array("*","!~","~"),array("%","NOT LIKE","LIKE"),$rule).")";
|
||||||
|
return $sql;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Build a cache of default alert conditions
|
* Run all rules for a device
|
||||||
*
|
* @param int $device Device-ID
|
||||||
|
* @return void
|
||||||
|
*/
|
||||||
|
function RunRules($device) {
|
||||||
|
global $debug;
|
||||||
|
$chk = dbFetchRow("SELECT id FROM alert_schedule WHERE alert_schedule.device_id = ? AND NOW() BETWEEN alert_schedule.start AND alert_schedule.end", array($device));
|
||||||
|
if( $chk['id'] > 0 ) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
foreach( dbFetchRows("SELECT * FROM alert_rules WHERE alert_rules.disabled = 0 && ( alert_rules.device_id = -1 || alert_rules.device_id = ? ) ORDER BY device_id,id",array($device)) as $rule ) {
|
||||||
|
echo " #".$rule['id'].":";
|
||||||
|
$chk = dbFetchRow("SELECT state FROM alerts WHERE rule_id = ? && device_id = ? ORDER BY id DESC LIMIT 1", array($rule['id'], $device));
|
||||||
|
$sql = GenSQL($rule['rule']);
|
||||||
|
$qry = dbFetchRows($sql,array($device));
|
||||||
|
if( sizeof($qry) > 0 ) {
|
||||||
|
if( $chk['state'] === "2" ) {
|
||||||
|
echo " SKIP ";
|
||||||
|
} elseif( $chk['state'] === "1" ) {
|
||||||
|
echo " NOCHG ";
|
||||||
|
} else {
|
||||||
|
$extra = gzcompress(json_encode(array('contacts' => GetContacts($qry), 'rule'=>$qry)),9);
|
||||||
|
if( dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'details' => $extra),'alert_log') ) {
|
||||||
|
if( !dbUpdate(array('state' => 1, 'open' => 1),'alerts','device_id = ? && rule_id = ?', array($device,$rule['id'])) ) {
|
||||||
|
dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1),'alerts');
|
||||||
|
}
|
||||||
|
echo " ALERT ";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if( $chk['state'] === "0" ) {
|
||||||
|
echo " NOCHG ";
|
||||||
|
} else {
|
||||||
|
if( dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id']),'alert_log') ){
|
||||||
|
if( !dbUpdate(array('state' => 0, 'open' => 1),'alerts','device_id = ? && rule_id = ?', array($device,$rule['id'])) ) {
|
||||||
|
dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1),'alerts');
|
||||||
|
}
|
||||||
|
echo " OK ";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Find contacts for alert
|
||||||
|
* @param array $results Rule-Result
|
||||||
* @return array
|
* @return array
|
||||||
*/
|
*/
|
||||||
|
function GetContacts($results) {
|
||||||
function cache_conditions_global() {
|
global $config;
|
||||||
$cache = array();
|
if( sizeof($results) == 0 ) {
|
||||||
foreach (dbFetchRows("SELECT * FROM `alert_conditions_global`") as $entry)
|
return array();
|
||||||
{
|
}
|
||||||
$cache[$entry['type']][$entry['subtype']][$entry['metric']][] = array('operator' => $entry['operator'], 'value' => $entry['value'],
|
$contacts = array();
|
||||||
'severity' => $entry['severity'], 'alerter' => $entry['alerter'], 'enable' => $entry['enable']);
|
$uids = array();
|
||||||
}
|
foreach( $results as $result ) {
|
||||||
return $cache;
|
$tmpa = array();
|
||||||
|
$tmp = NULL;
|
||||||
|
if( is_numeric($result["port_id"]) ) {
|
||||||
|
$tmpa = dbFetchRows("SELECT user_id FROM ports_perms WHERE access_level >= 0 AND port_id = ?",array($result["port_id"]));
|
||||||
|
foreach( $tmpa as $tmp ) {
|
||||||
|
$uids[$tmp['user_id']] = $tmp['user_id'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if( is_numeric($result["device_id"]) ) {
|
||||||
|
$tmpa = dbFetchRow("SELECT sysContact FROM devices WHERE device_id = ?",array($result["device_id"]));
|
||||||
|
$contacts[$tmpa["sysContact"]] = "NOC";
|
||||||
|
$tmpa = dbFetchRows("SELECT user_id FROM devices_perms WHERE access_level >= 0 AND device_id = ?", array($result["device_id"]));
|
||||||
|
foreach( $tmpa as $tmp ) {
|
||||||
|
$uids[$tmp['user_id']] = $tmp['user_id'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if( $config["alert"]["globals"] ) {
|
||||||
|
$tmpa = dbFetchRows("SELECT realname,email FROM users WHERE level >= 5 AND level < 10");
|
||||||
|
foreach( $tmpa as $tmp ) {
|
||||||
|
$contacts[$tmp['email']] = $tmp['realname'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if( $config["alert"]["admins"] ) {
|
||||||
|
$tmpa = dbFetchRows("SELECT realname,email FROM users WHERE level = 10");
|
||||||
|
foreach( $tmpa as $tmp ) {
|
||||||
|
$contacts[$tmp['email']] = $tmp['realname'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if( is_array($uids) ) {
|
||||||
|
foreach( $uids as $uid ) {
|
||||||
|
$tmp = dbFetchRow("SELECT realname,email FROM users WHERE user_id = ?", array($uid));
|
||||||
|
$contacts[$tmp['email']] = $tmp['realname'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return $contacts;
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Build a cache of device-specific alert conditions
|
|
||||||
*
|
|
||||||
* @return array
|
|
||||||
* @param device_id
|
|
||||||
*/
|
|
||||||
|
|
||||||
function cache_conditions_device($device_id) {
|
|
||||||
|
|
||||||
$cache = array();
|
|
||||||
foreach (dbFetchRows("SELECT * FROM `alert_conditions` WHERE `device_id` = ?", array($device_id)) as $entry)
|
|
||||||
{
|
|
||||||
$cache[$entry['type']][$entry['subtype']][$entry['entity']][$entry['metric']][] = array('condition' => $entry['operator'], 'value' => $entry['value'],
|
|
||||||
'severity' => $entry['severity'], 'alerter' => $entry['alerter'],
|
|
||||||
'enable' => $entry['enable']);
|
|
||||||
}
|
|
||||||
return $cache;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Compare two values
|
|
||||||
*
|
|
||||||
* @return integer
|
|
||||||
* @param value_a
|
|
||||||
* @param condition
|
|
||||||
* @param value_b
|
|
||||||
*/
|
|
||||||
|
|
||||||
function test_condition($value_a, $condition, $value_b)
|
|
||||||
{
|
|
||||||
switch($condition)
|
|
||||||
{
|
|
||||||
case ">":
|
|
||||||
if($value_a > $value_b) { $alert = 1; } else { $alert = 0; }
|
|
||||||
break;
|
|
||||||
case "<":
|
|
||||||
if($value_a < $value_b) { $alert = 1; } else { $alert = 0; }
|
|
||||||
break;
|
|
||||||
case "!=":
|
|
||||||
if($value_a != $value_b) { $alert = 1; } else { $alert = 0; }
|
|
||||||
break;
|
|
||||||
case "=":
|
|
||||||
if($value_a = $value_b) { $alert = 1; } else { $alert = 0; }
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
$alert = -1;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
return $alert;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Check entity data against alert conditions
|
|
||||||
*
|
|
||||||
* @param value_a
|
|
||||||
* @param condition
|
|
||||||
* @param value_b
|
|
||||||
*/
|
|
||||||
|
|
||||||
function check_entity($device, $entity_type, $entity_id, $data)
|
|
||||||
{
|
|
||||||
global $glo_conditions;
|
|
||||||
global $dev_conditions;
|
|
||||||
|
|
||||||
if(!empty($entity_id)) { echo(" $entity_id"); }
|
|
||||||
|
|
||||||
foreach($data as $name => $value)
|
|
||||||
{
|
|
||||||
foreach($dev_conditions[$entity_type][$entity_id][$name] as $condition)
|
|
||||||
{
|
|
||||||
$alert = test_condition($value, $condition['condition'], $condition['value']);
|
|
||||||
if($alert == 1)
|
|
||||||
{
|
|
||||||
echo("ALERT ");
|
|
||||||
} else {
|
|
||||||
echo("OK ");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
?>
|
?>
|
||||||
|
|||||||
48
includes/alerts/transport.api.php
Normal file
48
includes/alerts/transport.api.php
Normal file
@ -0,0 +1,48 @@
|
|||||||
|
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
|
||||||
|
* 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 <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* API Transport
|
||||||
|
* @author f0o <f0o@devilcode.org>
|
||||||
|
* @copyright 2014 f0o, LibreNMS
|
||||||
|
* @license GPL
|
||||||
|
* @package LibreNMS
|
||||||
|
* @subpackage Alerts
|
||||||
|
*/
|
||||||
|
|
||||||
|
foreach( $opts as $method=>$apis ) {
|
||||||
|
// var_dump($method); //FIXME: propper debuging
|
||||||
|
foreach( $apis as $api ) {
|
||||||
|
// var_dump($api); //FIXME: propper debuging
|
||||||
|
list($host, $api) = explode("?",$api,2);
|
||||||
|
foreach( $obj as $k=>$v ) {
|
||||||
|
$api = str_replace("%".$k,$method == "get" ? urlencode($v) : $v, $api);
|
||||||
|
}
|
||||||
|
// var_dump($api); //FIXME: propper debuging
|
||||||
|
$curl = curl_init();
|
||||||
|
curl_setopt($curl, CURLOPT_URL, ($method == "get" ? $host."?".$api : $host) );
|
||||||
|
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
|
||||||
|
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, strtoupper($method));
|
||||||
|
curl_setopt($curl, CURLOPT_POSTFIELDS, $api);
|
||||||
|
$ret = curl_exec($curl);
|
||||||
|
$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
|
||||||
|
if( $code != 200 ) {
|
||||||
|
var_dump("API '$host' returnd Error"); //FIXME: propper debuging
|
||||||
|
var_dump("Params: ".$api); //FIXME: propper debuging
|
||||||
|
var_dump("Return: ".$ret); //FIXME: propper debuging
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
25
includes/alerts/transport.dummy.php
Normal file
25
includes/alerts/transport.dummy.php
Normal file
@ -0,0 +1,25 @@
|
|||||||
|
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
|
||||||
|
* 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 <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Dummy Transport
|
||||||
|
* @author f0o <f0o@devilcode.org>
|
||||||
|
* @copyright 2014 f0o, LibreNMS
|
||||||
|
* @license GPL
|
||||||
|
* @package LibreNMS
|
||||||
|
* @subpackage Alerts
|
||||||
|
*/
|
||||||
|
|
||||||
|
var_dump($obj);
|
||||||
|
return true;
|
||||||
24
includes/alerts/transport.irc.php
Normal file
24
includes/alerts/transport.irc.php
Normal file
@ -0,0 +1,24 @@
|
|||||||
|
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation, either version 3 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* IRC Transport
|
||||||
|
* @author f0o <f0o@devilcode.org>
|
||||||
|
* @copyright 2014 f0o, LibreNMS
|
||||||
|
* @license GPL
|
||||||
|
* @package LibreNMS
|
||||||
|
* @subpackage Alerts
|
||||||
|
*/
|
||||||
|
|
||||||
|
return file_put_contents($config['install_dir']."/.ircbot.alert", json_encode($obj)."\n", FILE_APPEND);
|
||||||
24
includes/alerts/transport.mail.php
Normal file
24
includes/alerts/transport.mail.php
Normal file
@ -0,0 +1,24 @@
|
|||||||
|
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation, either version 3 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Mail Transport
|
||||||
|
* @author f0o <f0o@devilcode.org>
|
||||||
|
* @copyright 2014 f0o, LibreNMS
|
||||||
|
* @license GPL
|
||||||
|
* @package LibreNMS
|
||||||
|
* @subpackage Alerts
|
||||||
|
*/
|
||||||
|
|
||||||
|
return send_mail($obj['contacts'], $obj['title'], $obj['msg']);
|
||||||
48
includes/alerts/transport.nagios.php
Normal file
48
includes/alerts/transport.nagios.php
Normal file
@ -0,0 +1,48 @@
|
|||||||
|
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
|
||||||
|
* 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 <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Nagios Transport
|
||||||
|
* @author f0o <f0o@devilcode.org>
|
||||||
|
* @copyright 2014 f0o, LibreNMS
|
||||||
|
* @license GPL
|
||||||
|
* @package LibreNMS
|
||||||
|
* @subpackage Alerts
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
host_perfdata_file_template=
|
||||||
|
[HOSTPERFDATA]\t
|
||||||
|
$TIMET$\t
|
||||||
|
$HOSTNAME$\t
|
||||||
|
HOST\t
|
||||||
|
$HOSTSTATE$\t
|
||||||
|
$HOSTEXECUTIONTIME$\t
|
||||||
|
$HOSTLATENCY$\t
|
||||||
|
$HOSTOUTPUT$\t
|
||||||
|
$HOSTPERFDATA$
|
||||||
|
*/
|
||||||
|
|
||||||
|
$format = '';
|
||||||
|
$format .= "[HOSTPERFDATA]\t";
|
||||||
|
$format .= $obj['timestamp']."\t";
|
||||||
|
$format .= $obj['hostname']."\t";
|
||||||
|
$format .= md5($obj['rule'])."\t"; //FIXME: Better entity
|
||||||
|
$format .= ($obj['state'] ? $obj['severity'] : "ok")."\t";
|
||||||
|
$format .= 0."\t";
|
||||||
|
$format .= 0."\t";
|
||||||
|
$format .= str_replace("\n","",nl2br($obj['msg']))."\t";
|
||||||
|
$format .= "NULL"; //FIXME: What's the HOSTPERFDATA equivalent for LibreNMS? Oo
|
||||||
|
$format .= "\n";
|
||||||
|
return file_put_contents($opts, $format);
|
||||||
16
irc.php
16
irc.php
@ -151,11 +151,17 @@ class ircbot {
|
|||||||
}
|
}
|
||||||
|
|
||||||
private function alertData() {
|
private function alertData() {
|
||||||
if( ($tmp = $this->read("alert")) !== false ) {
|
if( ($alert = $this->read("alert")) !== false ) {
|
||||||
foreach( $tmp as $data ) {
|
$alert = json_decode($alert,true);
|
||||||
$this->data = $data;
|
foreach( $this->authd as $nick=>$data ) {
|
||||||
echo $this->data;
|
if( $data['expire'] >= time() ) {
|
||||||
//dostuff
|
$this->irc_raw("PRIVMSG ".$nick." :".trim($alert['title'])." - Rule: ".trim($alert['rule'])." - Faults".(sizeof($alert['faults']) > 3 ? " (showing first 3 out of ".sizeof($alert['faults'])." )" : "" ).":");
|
||||||
|
foreach( $alert['faults'] as $k=>$v ) {
|
||||||
|
$this->irc_raw("PRIVMSG ".$nick." :#".$k." ".$v);
|
||||||
|
if( $k >= 3 )
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@ -1,4 +1,5 @@
|
|||||||
33 */6 * * * root /opt/librenms/discovery.php -h all >> /dev/null 2>&1
|
33 */6 * * * root /opt/librenms/discovery.php -h all >> /dev/null 2>&1
|
||||||
*/5 * * * * root /opt/librenms/discovery.php -h new >> /dev/null 2>&1
|
*/5 * * * * root /opt/librenms/discovery.php -h new >> /dev/null 2>&1
|
||||||
*/5 * * * * root /opt/librenms/poller-wrapper.py 16 >> /dev/null 2>&1
|
*/5 * * * * root /opt/librenms/poller-wrapper.py 16 >> /dev/null 2>&1
|
||||||
15 0 * * * root sh /opt/librenms/daily.sh > /dev/null 2>&1
|
15 0 * * * root sh /opt/librenms/daily.sh >> /dev/null 2>&1
|
||||||
|
*/2 * * * * root /opt/librenms/alerts.php >> /dev/null 2>&1
|
||||||
|
|||||||
@ -20,6 +20,7 @@ include("config.php");
|
|||||||
include("includes/definitions.inc.php");
|
include("includes/definitions.inc.php");
|
||||||
include("includes/functions.php");
|
include("includes/functions.php");
|
||||||
include("includes/polling/functions.inc.php");
|
include("includes/polling/functions.inc.php");
|
||||||
|
include("includes/alerts.inc.php");
|
||||||
|
|
||||||
$poller_start = utime();
|
$poller_start = utime();
|
||||||
echo($config['project_name_version']." Poller\n\n");
|
echo($config['project_name_version']." Poller\n\n");
|
||||||
@ -108,6 +109,8 @@ foreach (dbFetch($query) as $device)
|
|||||||
{
|
{
|
||||||
$device = dbFetchRow("SELECT * FROM `devices` WHERE `device_id` = '".$device['device_id']."'");
|
$device = dbFetchRow("SELECT * FROM `devices` WHERE `device_id` = '".$device['device_id']."'");
|
||||||
poll_device($device, $options);
|
poll_device($device, $options);
|
||||||
|
RunRules($device['device_id']);
|
||||||
|
echo "\r\n";
|
||||||
$polled_devices++;
|
$polled_devices++;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
10
sql-schema/036.sql
Normal file
10
sql-schema/036.sql
Normal file
@ -0,0 +1,10 @@
|
|||||||
|
DROP TABLE IF EXISTS `alerts`;
|
||||||
|
CREATE TABLE IF NOT EXISTS `alerts` ( `id` int(11) NOT NULL AUTO_INCREMENT, `device_id` int(11) NOT NULL, `rule_id` int(11) NOT NULL, `state` int(11) NOT NULL, `alerted` int(11) NOT NULL, `open` int(11) NOT NULL, `timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
||||||
|
DROP TABLE IF EXISTS `alert_log`;
|
||||||
|
CREATE TABLE IF NOT EXISTS `alert_log` ( `id` int(11) NOT NULL AUTO_INCREMENT, `rule_id` int(11) NOT NULL, `device_id` int(11) NOT NULL, `state` int(11) NOT NULL, `details` longblob NOT NULL, `time_logged` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY `id` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
||||||
|
DROP TABLE IF EXISTS `alert_rules`;
|
||||||
|
CREATE TABLE IF NOT EXISTS `alert_rules` ( `id` int(11) NOT NULL AUTO_INCREMENT, `device_id` int(11) NOT NULL, `rule` text CHARACTER SET utf8 NOT NULL, `severity` enum('ok','warning','critical') CHARACTER SET utf8 NOT NULL, `extra` varchar(255) CHARACTER SET utf8 NOT NULL, `disabled` tinyint(1) NOT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
||||||
|
DROP TABLE IF EXISTS `alert_schedule`;
|
||||||
|
CREATE TABLE IF NOT EXISTS `alert_schedule` ( `id` int(11) NOT NULL AUTO_INCREMENT, `device_id` int(11) NOT NULL, `start` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `end` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
||||||
|
DROP TABLE IF EXISTS `alert_templates`;
|
||||||
|
CREATE TABLE IF NOT EXISTS `alert_templates` ( `id` int(11) NOT NULL AUTO_INCREMENT, `rule_id` varchar(255) NOT NULL DEFAULT ',', `template` longtext NOT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
||||||
Loading…
Reference in New Issue
Block a user