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<?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 (?, ?, UNIX_TIMESTAMP(), ?, ?)'; |
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$app->dbmaster->query($sql, $res['server_id'], $res['type'], serialize($res['data']), $res['state']); |
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/* The new data is written, now we can delete the old one */ |
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$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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?> |