<?php
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/*
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Copyright (c) 2013, Marius Cramer, pixcept KG
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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 cronjob_monitor_disk_usage extends cronjob {
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// job schedule
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protected $_schedule = '*/5 * * * *';
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protected $_run_at_new = true;
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private $_tools = null;
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/* this function is optional if it contains no custom code */
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public function onPrepare() {
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global $app;
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parent::onPrepare();
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}
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/* this function is optional if it contains no custom code */
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public function onBeforeRun() {
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global $app;
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return parent::onBeforeRun();
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}
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public function onRunJob() {
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global $app, $conf;
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/* used for all monitor cronjobs */
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$app->load('monitor_tools');
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$this->_tools = new monitor_tools();
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/* end global section for monitor cronjobs */
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/* the id of the server as int */
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$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 2>/dev/null');
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$app->uses('getconf');
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$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
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$dfData = shell_exec('df -hT -x simfs | awk \'!x[$1]++\' 2>/dev/null');
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// split into array
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$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 = $this->_tools->_setState($state, 'info');
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if ($usePercent > 80 && $freesize < 1000)
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$state = $this->_tools->_setState($state, 'warning');
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if ($usePercent > 90 && $freesize < 500)
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$state = $this->_tools->_setState($state, 'critical');
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if ($usePercent > 95 && $freesize < 100)
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$state = $this->_tools->_setState($state, 'error');
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break;
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}
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}
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}
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$res = array();
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$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'] = $state;
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/*
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* Insert the data into the database
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*/
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$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
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'VALUES (' .
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$res['server_id'] . ', ' .
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"'" . $app->dbmaster->quote($res['type']) . "', " .
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'UNIX_TIMESTAMP(), ' .
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"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
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"'" . $res['state'] . "'" .
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')';
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$app->dbmaster->query($sql);
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/* The new data is written, now we can delete the old one */
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$this->_tools->delOldRecords($res['type'], $res['server_id']);
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parent::onRunJob();
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}
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/* this function is optional if it contains no custom code */
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public function onAfterRun() {
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global $app;
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parent::onAfterRun();
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}
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}
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?>
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