<?php
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/*
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Copyright (c) 2007-2011, Till Brehm, projektfarm Gmbh and Oliver Vogel www.muv.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class monitor_tools {
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//** Get distribution identifier
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//** IMPORTANT!
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// This is the same code as in install/lib/install.lib.php
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// So if you change it here, you also have to change it in there!
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// Please do not forget to remove the swriteln(); - lines here at this file
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public function get_distname() {
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$distname = '';
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$distver = '';
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$distid = '';
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$distbaseid = '';
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//** Debian or Ubuntu
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if (file_exists('/etc/debian_version')) {
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if (trim(file_get_contents('/etc/debian_version')) == '4.0') {
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$distname = 'Debian';
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$distver = '4.0';
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$distid = 'debian40';
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$distbaseid = 'debian';
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} elseif (strstr(trim(file_get_contents('/etc/debian_version')), '5.0')) {
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$distname = 'Debian';
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$distver = 'Lenny';
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$distid = 'debian40';
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$distbaseid = 'debian';
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} elseif (strstr(trim(file_get_contents('/etc/debian_version')), '6.0') || trim(file_get_contents('/etc/debian_version')) == 'squeeze/sid') {
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$distname = 'Debian';
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$distver = 'Squeeze/Sid';
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$distid = 'debian60';
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$distbaseid = 'debian';
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} else {
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$distname = 'Debian';
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$distver = 'Unknown';
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$distid = 'debian40';
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$distbaseid = 'debian';
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}
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}
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//** OpenSuSE
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elseif (file_exists('/etc/SuSE-release')) {
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if (stristr(file_get_contents('/etc/SuSE-release'), '11.0')) {
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$distname = 'openSUSE';
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$distver = '11.0';
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$distid = 'opensuse110';
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$distbaseid = 'opensuse';
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} elseif (stristr(file_get_contents('/etc/SuSE-release'), '11.1')) {
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$distname = 'openSUSE';
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$distver = '11.1';
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$distid = 'opensuse110';
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$distbaseid = 'opensuse';
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} elseif (stristr(file_get_contents('/etc/SuSE-release'), '11.2')) {
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$distname = 'openSUSE';
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$distver = '11.1';
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$distid = 'opensuse110';
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$distbaseid = 'opensuse';
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} else {
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$distname = 'openSUSE';
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$distver = 'Unknown';
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$distid = 'opensuse110';
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$distbaseid = 'opensuse';
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}
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}
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//** Redhat
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elseif (file_exists('/etc/redhat-release')) {
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$content = file_get_contents('/etc/redhat-release');
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if (stristr($content, 'Fedora release 9 (Sulphur)')) {
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$distname = 'Fedora';
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$distver = '9';
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$distid = 'fedora9';
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$distbaseid = 'fedora';
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} elseif (stristr($content, 'Fedora release 10 (Cambridge)')) {
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$distname = 'Fedora';
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$distver = '10';
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$distid = 'fedora9';
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$distbaseid = 'fedora';
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} elseif (stristr($content, 'Fedora release 10')) {
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$distname = 'Fedora';
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$distver = '11';
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$distid = 'fedora9';
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$distbaseid = 'fedora';
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} elseif (stristr($content, 'CentOS release 5.2 (Final)')) {
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$distname = 'CentOS';
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$distver = '5.2';
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$distid = 'centos52';
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$distbaseid = 'fedora';
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} elseif (stristr($content, 'CentOS release 5.3 (Final)')) {
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$distname = 'CentOS';
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$distver = '5.3';
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$distid = 'centos53';
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$distbaseid = 'fedora';
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} else {
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$distname = 'Redhat';
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$distver = 'Unknown';
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$distid = 'fedora9';
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$distbaseid = 'fedora';
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}
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}
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//** Gentoo
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elseif (file_exists('/etc/gentoo-release')) {
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$content = file_get_contents('/etc/gentoo-release');
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preg_match_all('/([0-9]{1,2})/', $content, $version);
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$distname = 'Gentoo';
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$distver = $version[0][0] . $version[0][1];
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$distid = 'gentoo';
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$distbaseid = 'gentoo';
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} else {
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die('Unrecognized GNU/Linux distribution');
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}
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return array('name' => $distname, 'version' => $distver, 'id' => $distid, 'baseid' => $distbaseid);
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}
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//** Email Quota
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public function monitorEmailQuota() {
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global $conf, $app;
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//* Initialize data array
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$data = array();
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//* the id of the server as int
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$server_id = intval($conf['server_id']);
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//* The type of the data
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$type = 'email_quota';
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//* The state of the email_quota.
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$state = 'ok';
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$mailboxes = $app->db->queryAllRecords("SELECT email FROM mail_user WHERE server_id = $server_id");
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if(is_array($mailboxes)) {
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foreach($mailboxes as $mb) {
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$email = $mb['email'];
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$email_parts = explode('@',$mb['email']);
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$filename = '/var/vmail/'.$email_parts[1].'/'.$email_parts[0].'/.quotausage';
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if(file_exists($filename)) {
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$quotafile = file($filename);
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$data[$email]['used'] = trim($quotafile['1']);
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unset($quotafile);
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} else {
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exec('du -s '.escapeshellcmd('/var/vmail/'.$email_parts[1].'/'.$email_parts[0]),$out);
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$parts = explode(' ',$out[0]);
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$data[$email]['used'] = intval($parts[0])*1024;
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unset($out);
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unset($parts);
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}
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}
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}
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unset($mailboxes);
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//* Dovecot quota check Courier in progress lathama@gmail.com
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/*
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if($dir = opendir("/var/vmail")){
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while (($quotafiles = readdir($dir)) !== false){
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if(preg_match('/.\_quota$/', $quotafiles)){
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$quotafile = (file("/var/vmail/" . $quotafiles));
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$emailaddress = preg_replace('/_quota/',"", $quotafiles);
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$emailaddress = preg_replace('/_/',"@", $emailaddress);
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$data[$emailaddress]['used'] = trim($quotafile['1']);
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}
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}
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closedir($dir);
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}
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*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
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//** Filesystem Quota
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public function monitorHDQuota() {
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global $conf;
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//* Initialize data array
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$data = array();
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//* the id of the server as int
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$server_id = intval($conf['server_id']);
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//* The type of the data
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$type = 'harddisk_quota';
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//* The state of the harddisk_quota.
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$state = 'ok';
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//* Fetch the data for all users
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$dfData = shell_exec('repquota -au');
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//* Split into array
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$df = explode("\n", $dfData);
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//* ignore the first 5 lines, process the rest
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for ($i = 5; $i <= sizeof($df); $i++) {
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if ($df[$i] != '') {
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//* Make a array of the data
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$s = preg_split('/[\s]+/', $df[$i]);
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$username = $s[0];
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if (substr($username, 0, 3) == 'web') {
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if (isset($data['user'][$username])) {
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$data['user'][$username]['used'] += $s[2];
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$data['user'][$username]['soft'] += $s[3];
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$data['user'][$username]['hard'] += $s[4];
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} else {
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$data['user'][$username]['used'] = $s[2];
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$data['user'][$username]['soft'] = $s[3];
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$data['user'][$username]['hard'] = $s[4];
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}
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}
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}
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}
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//** Fetch the data for all users
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$dfData = shell_exec('repquota -ag');
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//* split into array
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$df = explode("\n", $dfData);
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//* ignore the first 5 lines, process the rest
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for ($i = 5; $i <= sizeof($df); $i++) {
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if ($df[$i] != '') {
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//* Make a array of the data
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$s = preg_split('/[\s]+/', $df[$i]);
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$groupname = $s[0];
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if (substr($groupname, 0, 6) == 'client') {
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if (isset($data['group'][$groupname])) {
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$data['group'][$groupname]['used'] += $s[1];
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$data['group'][$groupname]['soft'] += $s[2];
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$data['group'][$groupname]['hard'] += $s[3];
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} else {
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$data['group'][$groupname]['used'] = $s[1];
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$data['group'][$groupname]['soft'] = $s[2];
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$data['group'][$groupname]['hard'] = $s[3];
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}
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}
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}
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}
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//* Return the Result
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
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public function monitorServer() {
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'server_load';
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/*
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Fetch the data into a array
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*/
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$procUptime = shell_exec("cat /proc/uptime | cut -f1 -d' '");
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$data['up_days'] = floor($procUptime / 86400);
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$data['up_hours'] = floor(($procUptime - $data['up_days'] * 86400) / 3600);
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$data['up_minutes'] = floor(($procUptime - $data['up_days'] * 86400 - $data['up_hours'] * 3600) / 60);
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$data['uptime'] = shell_exec('uptime');
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$tmp = explode(',', $data['uptime'], 4);
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$tmpUser = explode(' ', trim($tmp[2]));
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$data['user_online'] = intval($tmpUser[0]);
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//* New Load Average code to fix "always zero" bug in non-english distros. NEEDS TESTING
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$loadTmp = shell_exec("cat /proc/loadavg | cut -f1-3 -d' '");
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$load = explode(' ', $loadTmp);
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$data['load_1'] = floatval(str_replace(',', '.', $load[0]));
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$data['load_5'] = floatval(str_replace(',', '.', $load[1]));
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$data['load_15'] = floatval(str_replace(',', '.', $load[2]));
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/** The state of the server-load. */
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$state = 'ok';
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if ($data['load_1'] > 20)
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$state = 'info';
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if ($data['load_1'] > 50)
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$state = 'warning';
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if ($data['load_1'] > 100)
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$state = 'critical';
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if ($data['load_1'] > 150)
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$state = 'error';
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/*
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* Return the Result
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*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
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public function monitorOsVer() {
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'os_info';
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/*
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Fetch the data into a array
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*/
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$dist = $this->get_distname();
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$data['name'] = $dist['name'];
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$data['version'] = $dist['version'];
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/* the OS has no state. It is, what it is */
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$state = 'no_state';
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/*
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* Return the Result
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*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
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public function monitorIspcVer() {
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'ispc_info';
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/*
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Fetch the data into a array
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*/
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$data['name'] = ISPC_APP_TITLE;
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$data['version'] = ISPC_APP_VERSION;
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/* the ISPC-Version has no state. It is, what it is */
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$state = 'no_state';
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/*
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* Return the Result
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*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
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public function monitorDiskUsage() {
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'disk_usage';
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/** The state of the disk-usage */
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$state = 'ok';
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/** Fetch the data of ALL devices into a array (needed for monitoring!) */
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$dfData = shell_exec('df -hT');
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// split into array
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$df = explode("\n", $dfData);
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/*
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* ignore the first line, process the rest
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*/
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for ($i = 1; $i <= sizeof($df); $i++) {
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if ($df[$i] != '') {
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/*
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* Make an array of the data
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*/
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$s = preg_split('/[\s]+/', $df[$i]);
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$data[$i]['fs'] = $s[0];
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$data[$i]['type'] = $s[1];
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$data[$i]['size'] = $s[2];
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$data[$i]['used'] = $s[3];
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$data[$i]['available'] = $s[4];
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$data[$i]['percent'] = $s[5];
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$data[$i]['mounted'] = $s[6];
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/*
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* calculate the state
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*/
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$usePercent = floatval($data[$i]['percent']);
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//* get the free memsize
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if(substr($data[$i]['available'],-1) == 'G') {
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$freesize = floatval($data[$i]['available'])*1024;
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} elseif(substr($data[$i]['available'],-1) == 'T') {
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$freesize = floatval($data[$i]['available'])*1024*1024;
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} else {
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$freesize = floatval($data[$i]['available']);
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}
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//* We don't want to check some filesystem which have no sensible filling levels
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switch ($data[$i]['type']) {
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case 'iso9660':
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case 'cramfs':
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case 'udf':
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case 'tmpfs':
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case 'devtmpfs':
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case 'udev':
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break;
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default:
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if ($usePercent > 75 && $freesize < 2000)
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$state = $this->_setState($state, 'info');
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if ($usePercent > 80 && $freesize < 1000)
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$state = $this->_setState($state, 'warning');
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if ($usePercent > 90 && $freesize < 500)
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$state = $this->_setState($state, 'critical');
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if ($usePercent > 95 && $freesize < 100)
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$state = $this->_setState($state, 'error');
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break;
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}
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}
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}
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/*
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* Return the Result
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*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
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public function monitorMemUsage() {
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'mem_usage';
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/*
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Fetch the data into a array
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*/
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$miData = shell_exec('cat /proc/meminfo');
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$memInfo = explode("\n", $miData);
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foreach ($memInfo as $line) {
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$part = preg_split('/:/', $line);
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$key = trim($part[0]);
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$tmp = explode(' ', trim($part[1]));
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$value = 0;
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if ($tmp[1] == 'kB')
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$value = $tmp[0] * 1024;
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$data[$key] = $value;
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}
|
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/*
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* actually this info has no state.
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* maybe someone knows better...???...
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*/
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$state = 'no_state';
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/*
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* Return the Result
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*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
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}
|
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public function monitorCpu() {
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
|
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/** The type of the data */
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$type = 'cpu_info';
|
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/*
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Fetch the data into a array
|
*/
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if (file_exists('/proc/cpuinfo')) {
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$cpuData = shell_exec('cat /proc/cpuinfo');
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$cpuInfo = explode("\n", $cpuData);
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$processor = 0;
|
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foreach ($cpuInfo as $line) {
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$part = preg_split('/:/', $line);
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$key = trim($part[0]);
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$value = trim($part[1]);
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if ($key == 'processor')
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$processor = intval($value);
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if ($key != '')
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$data[$key . ' ' . $processor] = $value;
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}
|
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/* the cpu has no state. It is, what it is */
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$state = 'no_state';
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} else {
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/*
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* It is not Linux, so there is no data and no state
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*
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* no_state, NOT unknown, because "unknown" is shown as state
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* inside the GUI. no_state is hidden.
|
*
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* We have to write NO DATA inside the DB, because the GUI
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* could not know, if there is any dat, or not...
|
*/
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$state = 'no_state';
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$data['output'] = '';
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}
|
|
/*
|
* Return the Result
|
*/
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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return $res;
|
}
|
|
public function monitorServices() {
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global $app;
|
global $conf;
|
|
/** the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** get the "active" Services of the server from the DB */
|
$services = $app->db->queryOneRecord('SELECT * FROM server WHERE server_id = ' . $server_id);
|
/*
|
* If the DB is down, we have to set the db to "yes".
|
* If we don't do this, then the monitor will NOT monitor, that the db is down and so the
|
* rescue-module can not try to rescue the db
|
*/
|
if ($services == null) {
|
$services['db_server'] = 1;
|
}
|
|
/* The type of the Monitor-data */
|
$type = 'services';
|
|
/** the State of the monitoring */
|
/* ok, if ALL active services are running,
|
* error, if not
|
* There is no other state!
|
*/
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$state = 'ok';
|
|
/* Monitor Webserver */
|
$data['webserver'] = -1; // unknown - not needed
|
if ($services['web_server'] == 1) {
|
if ($this->_checkTcp('localhost', 80)) {
|
$data['webserver'] = 1;
|
} else {
|
$data['webserver'] = 0;
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$state = 'error'; // because service is down
|
}
|
}
|
|
/* Monitor FTP-Server */
|
$data['ftpserver'] = -1; // unknown - not needed
|
if ($services['file_server'] == 1) {
|
if ($this->_checkFtp('localhost', 21)) {
|
$data['ftpserver'] = 1;
|
} else {
|
$data['ftpserver'] = 0;
|
$state = 'error'; // because service is down
|
}
|
}
|
|
/* Monitor SMTP-Server */
|
$data['smtpserver'] = -1; // unknown - not needed
|
if ($services['mail_server'] == 1) {
|
if ($this->_checkTcp('localhost', 25)) {
|
$data['smtpserver'] = 1;
|
} else {
|
$data['smtpserver'] = 0;
|
$state = 'error'; // because service is down
|
}
|
}
|
|
/* Monitor POP3-Server */
|
$data['pop3server'] = -1; // unknown - not needed
|
if ($services['mail_server'] == 1) {
|
if ($this->_checkTcp('localhost', 110)) {
|
$data['pop3server'] = 1;
|
} else {
|
$data['pop3server'] = 0;
|
$state = 'error'; // because service is down
|
}
|
}
|
|
/* Monitor IMAP-Server */
|
$data['imapserver'] = -1; // unknown - not needed
|
if ($services['mail_server'] == 1) {
|
if ($this->_checkTcp('localhost', 143)) {
|
$data['imapserver'] = 1;
|
} else {
|
$data['imapserver'] = 0;
|
$state = 'error'; // because service is down
|
}
|
}
|
|
/* Monitor BIND-Server */
|
$data['bindserver'] = -1; // unknown - not needed
|
if ($services['dns_server'] == 1) {
|
if ($this->_checkUdp('localhost', 53)) {
|
$data['bindserver'] = 1;
|
} else {
|
$data['bindserver'] = 0;
|
$state = 'error'; // because service is down
|
}
|
}
|
|
/* Monitor MySQL Server */
|
$data['mysqlserver'] = -1; // unknown - not needed
|
if ($services['db_server'] == 1) {
|
if ($this->_checkTcp('localhost', 3306)) {
|
$data['mysqlserver'] = 1;
|
} else {
|
$data['mysqlserver'] = 0;
|
$state = 'error'; // because service is down
|
}
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorOpenVzHost() {
|
global $app;
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'openvz_veinfo';
|
|
/*
|
Fetch the data into a array
|
*/
|
$app->load(openvz_tools);
|
$openVzTools = new openvz_tools();
|
$data = $openVzTools->getOpenVzVeInfo();
|
|
/* the VE-Info has no state. It is, what it is */
|
$state = 'no_state';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorOpenVzUserBeancounter() {
|
global $app;
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'openvz_beancounter';
|
|
/*
|
Fetch the data into a array
|
*/
|
$app->load(openvz_tools);
|
$openVzTools = new openvz_tools();
|
$data = $openVzTools->getOpenVzVeBeanCounter();
|
|
/* calculate the state of the beancounter */
|
if ($data == '') {
|
$state = 'no_state';
|
} else {
|
$state = 'ok';
|
|
/* transfer this output-string into a array */
|
$test = explode("\n", $data);
|
|
/* the first list of the output is not needed */
|
array_shift($test);
|
|
/* now process all items of the rest */
|
foreach ($test as $item) {
|
/*
|
* eliminate all doubled spaces and spaces at the beginning and end
|
*/
|
while (strpos($item, ' ') !== false) {
|
$item = str_replace(' ', ' ', $item);
|
}
|
$item = trim($item);
|
|
/*
|
* The failcounter is the LAST
|
*/
|
if ($item != '') {
|
$tmp = explode(' ', $item);
|
$failCounter = $tmp[sizeof($tmp) - 1];
|
if ($failCounter > 0)
|
$state = 'info';
|
if ($failCounter > 50)
|
$state = 'warning';
|
if ($failCounter > 200)
|
$state = 'critical';
|
if ($failCounter > 10000)
|
$state = 'error';
|
}
|
}
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorSystemUpdate() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'system_update';
|
|
/* This monitoring is only available on Debian or Ubuntu */
|
if (file_exists('/etc/debian_version')) {
|
|
/*
|
* first update the "apt database"
|
*/
|
shell_exec('apt-get update');
|
|
/*
|
* Then test the upgrade.
|
* if there is any output, then there is a needed update
|
*/
|
$aptData = shell_exec('apt-get -s -qq dist-upgrade');
|
if ($aptData == '') {
|
/* There is nothing to update! */
|
$state = 'ok';
|
} else {
|
/*
|
* There is something to update! this is in most cases not critical, so we can
|
* do a system-update once a month or so...
|
*/
|
$state = 'info';
|
}
|
|
/*
|
* Fetch the output
|
*/
|
$data['output'] = shell_exec('apt-get -s -q dist-upgrade');
|
} elseif (file_exists('/etc/gentoo-release')) {
|
|
/*
|
* first update the portage tree
|
*/
|
|
// In keeping with gentoo's rsync policy, don't update to frequently (every four hours - taken from http://www.gentoo.org/doc/en/source_mirrors.xml)
|
$do_update = true;
|
if (file_exists('/usr/portage/metadata/timestamp.chk')) {
|
$datetime = file_get_contents('/usr/portage/metadata/timestamp.chk');
|
$datetime = trim($datetime);
|
|
$dstamp = strtotime($datetime);
|
if ($dstamp) {
|
$checkat = $dstamp + 14400; // + 4hours
|
if (mktime() < $checkat) {
|
$do_update = false;
|
}
|
}
|
}
|
|
if ($do_update) {
|
shell_exec('emerge --sync --quiet');
|
}
|
|
/*
|
* Then test the upgrade.
|
* if there is any output, then there is a needed update
|
*/
|
$emergeData = shell_exec('glsa-check -t affected');
|
if ($emergeData == '') {
|
/* There is nothing to update! */
|
$state = 'ok';
|
$data['output'] = 'No unapplied GLSA\'s found on the system.';
|
} else {
|
/* There is something to update! */
|
$state = 'info';
|
$data['output'] = shell_exec('glsa-check -pv --nocolor affected 2>/dev/null');
|
}
|
} elseif (file_exists('/etc/SuSE-release')) {
|
|
/*
|
* update and find the upgrade.
|
* if there is any output, then there is a needed update
|
*/
|
$aptData = shell_exec('zypper -q lu');
|
if ($aptData == '') {
|
/* There is nothing to update! */
|
$state = 'ok';
|
} else {
|
/*
|
* There is something to update! this is in most cases not critical, so we can
|
* do a system-update once a month or so...
|
*/
|
$state = 'info';
|
}
|
|
/*
|
* Fetch the output
|
*/
|
$data['output'] = shell_exec('zypper --non-interactive up');
|
} else {
|
/*
|
* It is not Debian/Ubuntu, so there is no data and no state
|
*
|
* no_state, NOT unknown, because "unknown" is shown as state
|
* inside the GUI. no_state is hidden.
|
*
|
* We have to write NO DATA inside the DB, because the GUI
|
* could not know, if there is any dat, or not...
|
*/
|
$state = 'no_state';
|
$data['output'] = '';
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorMailQueue() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'mailq';
|
|
/* Get the data from the mailq */
|
$data['output'] = shell_exec('mailq');
|
|
/*
|
* The last line has more informations
|
*/
|
$tmp = explode("\n", $data['output']);
|
$more = $tmp[sizeof($tmp) - 1];
|
$this->_getIntArray($more);
|
$data['bytes'] = $res[0];
|
$data['requests'] = $res[1];
|
|
/** The state of the mailq. */
|
$state = 'ok';
|
if ($data['requests'] > 2000)
|
$state = 'info';
|
if ($data['requests'] > 5000)
|
$state = 'warning';
|
if ($data['requests'] > 8000)
|
$state = 'critical';
|
if ($data['requests'] > 10000)
|
$state = 'error';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorRaid() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'raid_state';
|
|
/*
|
* We support several RAID types, but if we can't find any of them, we have no data
|
*/
|
$state = 'no_state';
|
$data['output'] = '';
|
|
/*
|
* Check, if Software-RAID is enabled
|
*/
|
if (file_exists('/proc/mdstat')) {
|
/*
|
* Fetch the output
|
*/
|
$data['output'] = shell_exec('cat /proc/mdstat');
|
|
/*
|
* Then calc the state.
|
*/
|
$tmp = explode("\n", $data['output']);
|
$state = 'ok';
|
for ($i = 0; $i < sizeof($tmp); $i++) {
|
/* fetch the next line */
|
$line = $tmp[$i];
|
|
if ((strpos($line, '[U_]') !== false) || (strpos($line, '[_U]') !== false)) {
|
/* One Disk is not working.
|
* if the next line starts with "[>" or "[=" then
|
* recovery (resync) is in state and the state is
|
* information instead of critical
|
*/
|
$nextLine = $tmp[$i + 1];
|
if ((strpos($nextLine, '[>') === false) && (strpos($nextLine, '[=') === false)) {
|
$state = $this->_setState($state, 'critical');
|
} else {
|
$state = $this->_setState($state, 'info');
|
}
|
}
|
if (strpos($line, '[__]') !== false) {
|
/* both Disk are not working */
|
$state = $this->_setState($state, 'error');
|
}
|
if (strpos($line, '[UU]') !== false) {
|
/* The disks are OK.
|
* if the next line starts with "[>" or "[=" then
|
* recovery (resync) is in state and the state is
|
* information instead of ok
|
*/
|
$nextLine = $tmp[$i + 1];
|
if ((strpos($nextLine, '[>') === false) && (strpos($nextLine, '[=') === false)) {
|
$state = $this->_setState($state, 'ok');
|
} else {
|
$state = $this->_setState($state, 'info');
|
}
|
}
|
}
|
}
|
/*
|
* Check, if we have mpt-status installed (LSIsoftware-raid)
|
*/
|
if (file_exists('/proc/mpt/summary')) {
|
system('which mpt-status', $retval);
|
if ($retval === 0) {
|
/*
|
* Fetch the output
|
*/
|
$data['output'] = shell_exec('mpt-status --autoload -n');
|
|
/*
|
* Then calc the state.
|
*/
|
$state = 'ok';
|
if(is_array($data['output'])) {
|
foreach ($data['output'] as $item) {
|
/*
|
* The output contains information for every RAID and every HDD.
|
* We only need the state of the RAID
|
*/
|
if (strpos($item, 'raidlevel:') !== false) {
|
/*
|
* We found a raid, process the state of it
|
*/
|
if (strpos($item, ' ONLINE ') !== false) {
|
$this->_setState($state, 'ok');
|
} elseif (strpos($item, ' OPTIMAL ') !== false) {
|
$this->_setState($state, 'ok');
|
} elseif (strpos($item, ' INITIAL ') !== false) {
|
$this->_setState($state, 'info');
|
} elseif (strpos($item, ' INACTIVE ') !== false) {
|
$this->_setState($state, 'critical');
|
} elseif (strpos($item, ' RESYNC ') !== false) {
|
$this->_setState($state, 'info');
|
} elseif (strpos($item, ' DEGRADED ') !== false) {
|
$this->_setState($state, 'critical');
|
} else {
|
/* we don't know the state. so we set the state to critical, that the
|
* admin is warned, that something is wrong
|
*/
|
$this->_setState($state, 'critical');
|
}
|
}
|
}
|
}
|
}
|
}
|
|
/*
|
* 3ware Controller
|
*/
|
system('which tw_cli', $retval);
|
if($retval === 0) {
|
|
$data['output'] = shell_exec('tw_cli info c0');
|
|
$state = 'ok';
|
foreach ($data['output'] as $item) {
|
if (strpos($item, 'RAID') !== false) {
|
if (strpos($item, ' VERIFYING ') !== false) {
|
$this->_setState($state, 'info');
|
}
|
else if (strpos($item, ' MIGRATE-PAUSED ') !== false) {
|
$this->_setState($state, 'info');
|
}
|
else if (strpos($item, ' MIGRATING ') !== false) {
|
$this->_setState($state, 'ok');
|
}
|
else if (strpos($item, ' INITIALIZING ') !== false) {
|
$this->_setState($state, 'info');
|
}
|
else if (strpos($item, ' INIT-PAUSED ') !== false) {
|
$this->_setState($state, 'info');
|
}
|
else if (strpos($item, ' REBUILDING ') !== false) {
|
$this->_setState($state, 'info');
|
}
|
else if (strpos($item, ' REBUILD-PAUSED ') !== false) {
|
$this->_setState($state, 'warning');
|
}
|
else if (strpos($item, ' RECOVERY ') !== false) {
|
$this->_setState($state, 'warning');
|
}
|
else if (strpos($item, ' DEGRADED ') !== false) {
|
$this->_setState($state, 'critical');
|
}
|
else if (strpos($item, ' UNKNOWN ') !== false) {
|
$this->_setState($state, 'critical');
|
}
|
else if (strpos($item, ' OK ') !== false) {
|
$this->_setState($state, 'ok');
|
}
|
else if (strpos($item, ' OPTIMAL ') !== false) {
|
$this->_setState($state, 'ok');
|
}
|
else {
|
$this->_setState($state, 'critical');
|
}
|
}
|
}
|
}
|
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorRkHunter() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'rkhunter';
|
|
/* This monitoring is only available if rkhunter is installed */
|
system('which rkhunter', $retval);
|
if ($retval === 0) {
|
/*
|
* Fetch the output
|
*/
|
$data['output'] = shell_exec('rkhunter --update --checkall --nocolors --skip-keypress');
|
|
/*
|
* At this moment, there is no state (maybe later)
|
*/
|
$state = 'no_state';
|
} else {
|
/*
|
* rkhunter is not installed, so there is no data and no state
|
*
|
* no_state, NOT unknown, because "unknown" is shown as state
|
* inside the GUI. no_state is hidden.
|
*
|
* We have to write NO DATA inside the DB, because the GUI
|
* could not know, if there is any dat, or not...
|
*/
|
$state = 'no_state';
|
$data['output'] = '';
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorFail2ban() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_fail2ban';
|
|
/* This monitoring is only available if fail2ban is installed */
|
system('which fail2ban-client', $retval); // Debian, Ubuntu, Fedora
|
if ($retval !== 0)
|
system('which fail2ban', $retval); // CentOS
|
if ($retval === 0) {
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/*
|
* At this moment, there is no state (maybe later)
|
*/
|
$state = 'no_state';
|
} else {
|
/*
|
* fail2ban is not installed, so there is no data and no state
|
*
|
* no_state, NOT unknown, because "unknown" is shown as state
|
* inside the GUI. no_state is hidden.
|
*
|
* We have to write NO DATA inside the DB, because the GUI
|
* could not know, if there is any dat, or not...
|
*/
|
$state = 'no_state';
|
$data = '';
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorIPTables() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'iptables_rules';
|
|
/* This monitoring is only available if fail2ban is installed */
|
system('which iptables', $retval); // Debian, Ubuntu, Fedora
|
if ($retval === 0) {
|
/* Get the data of the log */
|
$data['output'] = '<h2>iptables -S (ipv4)</h2>'.shell_exec('iptables -S');
|
|
/*
|
* At this moment, there is no state (maybe later)
|
*/
|
$state = 'no_state';
|
} else {
|
$state = 'no_state';
|
$data = '';
|
}
|
|
|
/* This monitoring is only available if fail2ban is installed */
|
system('which ip6tables', $retval); // Debian, Ubuntu, Fedora
|
if ($retval === 0) {
|
/* Get the data of the log */
|
$data['output'] .= '<br><h2>ip6tables -S (ipv6)</h2>'.shell_exec('ip6tables -S');
|
|
/*
|
* At this moment, there is no state (maybe later)
|
*/
|
$state = 'no_state';
|
} else {
|
$state = 'no_state';
|
$data = '';
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorSysLog() {
|
global $app;
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'sys_log';
|
|
/*
|
* is there any warning or error for this server?
|
*/
|
$state = 'ok';
|
$dbData = $app->dbmaster->queryAllRecords('SELECT loglevel FROM sys_log WHERE server_id = ' . $server_id . ' AND loglevel > 0');
|
if (is_array($dbData)) {
|
foreach ($dbData as $item) {
|
if ($item['loglevel'] == 1)
|
$state = $this->_setState($state, 'warning');
|
if ($item['loglevel'] == 2)
|
$state = $this->_setState($state, 'error');
|
}
|
}
|
|
/** There is no monitor-data because the data is in the sys_log table */
|
$data['output'] = '';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorMailLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_mail';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/*
|
* actually this info has no state.
|
* maybe someone knows better...???...
|
*/
|
$state = 'no_state';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorMailWarnLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_mail_warn';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/*
|
* actually this info has no state.
|
* maybe someone knows better...???...
|
*/
|
$state = 'no_state';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorMailErrLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_mail_err';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/*
|
* actually this info has no state.
|
* maybe someone knows better...???...
|
*/
|
$state = 'no_state';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorMessagesLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_messages';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/*
|
* actually this info has no state.
|
* maybe someone knows better...???...
|
*/
|
$state = 'no_state';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorISPCCronLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_ispc_cron';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/*
|
* actually this info has no state.
|
* maybe someone knows better...???...
|
*/
|
$state = 'no_state';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorFreshClamLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_freshclam';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
/* Get the data from the LAST log-Entry.
|
* if there can be found:
|
* WARNING: Your ClamAV installation is OUTDATED!
|
* then the clamav is outdated. This is a warning!
|
*/
|
$state = 'ok';
|
|
$tmp = explode("\n", $data);
|
$lastLog = array();
|
if ($tmp[sizeof($tmp) - 1] == '') {
|
/* the log ends with an empty line remove this */
|
array_pop($tmp);
|
}
|
if (strpos($tmp[sizeof($tmp) - 1], '-------------') !== false) {
|
/* the log ends with "-----..." remove this */
|
array_pop($tmp);
|
}
|
for ($i = sizeof($tmp) - 1; $i > 0; $i--) {
|
if (strpos($tmp[$i], '---------') === false) {
|
/* no delimiter found, so add this to the last-log */
|
$lastLog[] = $tmp[$i];
|
} else {
|
/* delimiter found, so there is no more line left! */
|
break;
|
}
|
}
|
|
/*
|
* Now we have the last log in the array.
|
* Check if the outdated-string is found...
|
*/
|
foreach ($lastLog as $line) {
|
if (strpos(strtolower($line), 'outdated') !== false) {
|
/*
|
* Outdatet is only info, because if we set this to warning, the server is
|
* as long in state warning, as there is a new version of ClamAv which takes
|
* sometimes weeks!
|
*/
|
$state = $this->_setState($state, 'info');
|
}
|
}
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorClamAvLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_clamav';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
// Todo: the state should be calculated.
|
$state = 'ok';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function monitorIspConfigLog() {
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf['server_id']);
|
|
/** The type of the data */
|
$type = 'log_ispconfig';
|
|
/* Get the data of the log */
|
$data = $this->_getLogData($type);
|
|
// Todo: the state should be calculated.
|
$state = 'ok';
|
|
/*
|
* Return the Result
|
*/
|
$res['server_id'] = $server_id;
|
$res['type'] = $type;
|
$res['data'] = $data;
|
$res['state'] = $state;
|
return $res;
|
}
|
|
public function _getLogData($log) {
|
global $conf;
|
|
$dist = '';
|
$logfile = '';
|
|
if (@is_file('/etc/debian_version')) {
|
$dist = 'debian';
|
} elseif (@is_file('/etc/redhat-release')) {
|
$dist = 'redhat';
|
} elseif (@is_file('/etc/SuSE-release')) {
|
$dist = 'suse';
|
} elseif (@is_file('/etc/gentoo-release')) {
|
$dist = 'gentoo';
|
}
|
|
switch ($log) {
|
case 'log_mail':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/mail.log';
|
} elseif ($dist == 'redhat') {
|
$logfile = '/var/log/maillog';
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/mail.info';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/maillog';
|
}
|
break;
|
case 'log_mail_warn':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/mail.warn';
|
} elseif ($dist == 'redhat') {
|
$logfile = '/var/log/maillog';
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/mail.warn';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/maillog';
|
}
|
break;
|
case 'log_mail_err':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/mail.err';
|
} elseif ($dist == 'redhat') {
|
$logfile = '/var/log/maillog';
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/mail.err';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/maillog';
|
}
|
break;
|
case 'log_messages':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/messages';
|
} elseif ($dist == 'redhat') {
|
$logfile = '/var/log/messages';
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/messages';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/messages';
|
}
|
break;
|
case 'log_ispc_cron':
|
if ($dist == 'debian') {
|
$logfile = $conf['ispconfig_log_dir'] . '/cron.log';
|
} elseif ($dist == 'redhat') {
|
$logfile = $conf['ispconfig_log_dir'] . '/cron.log';
|
} elseif ($dist == 'suse') {
|
$logfile = $conf['ispconfig_log_dir'] . '/cron.log';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/cron';
|
}
|
break;
|
case 'log_freshclam':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/clamav/freshclam.log';
|
} elseif ($dist == 'redhat') {
|
$logfile = (is_file('/var/log/clamav/freshclam.log') ? '/var/log/clamav/freshclam.log' : '/var/log/freshclam.log');
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/freshclam.log';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/clamav/freshclam.log';
|
}
|
break;
|
case 'log_clamav':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/clamav/clamav.log';
|
} elseif ($dist == 'redhat') {
|
$logfile = (is_file('/var/log/clamav/clamd.log') ? '/var/log/clamav/clamd.log' : '/var/log/maillog');
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/clamd.log';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/clamav/clamd.log';
|
}
|
break;
|
case 'log_fail2ban':
|
if ($dist == 'debian') {
|
$logfile = '/var/log/fail2ban.log';
|
} elseif ($dist == 'redhat') {
|
$logfile = '/var/log/fail2ban.log';
|
} elseif ($dist == 'suse') {
|
$logfile = '/var/log/fail2ban.log';
|
} elseif ($dist == 'gentoo') {
|
$logfile = '/var/log/fail2ban.log';
|
}
|
break;
|
case 'log_ispconfig':
|
if ($dist == 'debian') {
|
$logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log';
|
} elseif ($dist == 'redhat') {
|
$logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log';
|
} elseif ($dist == 'suse') {
|
$logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log';
|
} elseif ($dist == 'gentoo') {
|
$logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log';
|
}
|
break;
|
default:
|
$logfile = '';
|
break;
|
}
|
|
// Getting the logfile content
|
if ($logfile != '') {
|
$logfile = escapeshellcmd($logfile);
|
if (stristr($logfile, ';') or substr($logfile, 0, 9) != '/var/log/' or stristr($logfile, '..')) {
|
$log = 'Logfile path error.';
|
} else {
|
$log = '';
|
if (is_readable($logfile)) {
|
$fd = popen('tail -n 100 ' . $logfile, 'r');
|
if ($fd) {
|
while (!feof($fd)) {
|
$log .= fgets($fd, 4096);
|
$n++;
|
if ($n > 1000)
|
break;
|
}
|
fclose($fd);
|
}
|
} else {
|
$log = 'Unable to read ' . $logfile;
|
}
|
}
|
}
|
|
return $log;
|
}
|
|
private function _checkTcp($host, $port) {
|
/* Try to open a connection */
|
$fp = @fsockopen($host, $port, $errno, $errstr, 2);
|
|
if ($fp) {
|
/*
|
* We got a connection, this means, everything is O.K.
|
* But maybe we are able to do more deep testing?
|
*/
|
if ($port == 80) {
|
/*
|
* Port 80 means, testing APACHE
|
* So we can do a deepter test and try to get data over this connection.
|
* (if apache hangs, we get a connection but a timeout by trying to GET the data!)
|
*/
|
fwrite($fp, "GET / HTTP/1.0\r\n\r\n");
|
stream_set_timeout($fp, 5); // Timeout after 5 seconds
|
$res = fread($fp, 10); // try to get 10 bytes (enough to test!)
|
$info = stream_get_meta_data($fp);
|
if ($info['timed_out']) {
|
return false; // Apache was not able to send data over this connection
|
}
|
}
|
|
/* The connection is no longer needed */
|
fclose($fp);
|
/* We are able to establish a connection */
|
return true;
|
} else {
|
/* We are NOT able to establish a connection */
|
return false;
|
}
|
}
|
|
private function _checkUdp($host, $port) {
|
|
$fp = @fsockopen('udp://' . $host, $port, $errno, $errstr, 2);
|
|
if ($fp) {
|
fclose($fp);
|
return true;
|
} else {
|
return false;
|
}
|
}
|
|
private function _checkFtp($host, $port) {
|
|
$conn_id = @ftp_connect($host, $port);
|
|
if ($conn_id) {
|
@ftp_close($conn_id);
|
return true;
|
} else {
|
return false;
|
}
|
}
|
|
/**
|
* Set the state to the given level (or higher, but not lesser).
|
* * If the actual state is critical and you call the method with ok,
|
* then the state is critical.
|
*
|
* * If the actual state is critical and you call the method with error,
|
* then the state is error.
|
*/
|
private function _setState($oldState, $newState) {
|
/*
|
* Calculate the weight of the old state
|
*/
|
switch ($oldState) {
|
case 'no_state': $oldInt = 0;
|
break;
|
case 'ok': $oldInt = 1;
|
break;
|
case 'unknown': $oldInt = 2;
|
break;
|
case 'info': $oldInt = 3;
|
break;
|
case 'warning': $oldInt = 4;
|
break;
|
case 'critical': $oldInt = 5;
|
break;
|
case 'error': $oldInt = 6;
|
break;
|
}
|
/*
|
* Calculate the weight of the new state
|
*/
|
switch ($newState) {
|
case 'no_state': $newInt = 0;
|
break;
|
case 'ok': $newInt = 1;
|
break;
|
case 'unknown': $newInt = 2;
|
break;
|
case 'info': $newInt = 3;
|
break;
|
case 'warning': $newInt = 4;
|
break;
|
case 'critical': $newInt = 5;
|
break;
|
case 'error': $newInt = 6;
|
break;
|
}
|
|
/*
|
* Set to the higher level
|
*/
|
if ($newInt > $oldInt) {
|
return $newState;
|
} else {
|
return $oldState;
|
}
|
}
|
|
private function _getIntArray($line) {
|
/** The array of float found */
|
$res = array();
|
/* First build a array from the line */
|
$data = explode(' ', $line);
|
/* then check if any item is a float */
|
foreach ($data as $item) {
|
if ($item . '' == (int) $item . '') {
|
$res[] = $item;
|
}
|
}
|
return $res;
|
}
|
|
}
|
|
?>
|
