<?php
|
|
/*
|
Copyright (c) 2008, Till Brehm, projektfarm Gmbh and Oliver Vogel www.muv.com
|
All rights reserved.
|
|
Redistribution and use in source and binary forms, with or without modification,
|
are permitted provided that the following conditions are met:
|
|
* Redistributions of source code must retain the above copyright notice,
|
this list of conditions and the following disclaimer.
|
* Redistributions in binary form must reproduce the above copyright notice,
|
this list of conditions and the following disclaimer in the documentation
|
and/or other materials provided with the distribution.
|
* Neither the name of ISPConfig nor the names of its contributors
|
may be used to endorse or promote products derived from this software without
|
specific prior written permission.
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
*/
|
|
class monitor_core_module {
|
|
/* TODO: this should be a config - var instead of a "constant" */
|
var $interval = 5; // do the monitoring every 5 minutes
|
|
var $module_name = 'monitor_core_module';
|
var $class_name = 'monitor_core_module';
|
/* No actions at this time. maybe later... */
|
var $actions_available = array();
|
|
/*
|
This function is called when the module is loaded
|
*/
|
|
function onLoad() {
|
global $app;
|
|
/*
|
Annonce the actions that where provided by this module, so plugins
|
can register on them.
|
*/
|
/* none at them moment */
|
//$app->plugins->announceEvents($this->module_name,$this->actions_available);
|
|
/*
|
As we want to get notified of any changes on several database tables,
|
we register for them.
|
|
The following function registers the function "functionname"
|
to be executed when a record for the table "dbtable" is
|
processed in the sys_datalog. "classname" is the name of the
|
class that contains the function functionname.
|
*/
|
/* none at them moment */
|
//$app->modules->registerTableHook('mail_access','mail_module','process');
|
|
/*
|
Do the monitor every n minutes and write the result in the db
|
*/
|
$min = date('i');
|
if (($min % $this->interval) == 0)
|
{
|
$this->doMonitor();
|
}
|
}
|
|
/*
|
This function is called when a change in one of the registered tables is detected.
|
The function then raises the events for the plugins.
|
*/
|
function process($tablename, $action, $data) {
|
// global $app;
|
//
|
// switch ($tablename) {
|
// case 'mail_access':
|
// if($action == 'i') $app->plugins->raiseEvent('mail_access_insert',$data);
|
// if($action == 'u') $app->plugins->raiseEvent('mail_access_update',$data);
|
// if($action == 'd') $app->plugins->raiseEvent('mail_access_delete',$data);
|
// break;
|
// } // end switch
|
} // end function
|
|
/*
|
This method is called every n minutes, when the module ist loaded.
|
The method then does a system-monitoring
|
*/
|
// TODO: what monitoring is done should be a config-var
|
function doMonitor()
|
{
|
/* Calls the single Monitoring steps */
|
$this->monitorServer();
|
$this->monitorDiskUsage();
|
}
|
|
function monitorServer(){
|
global $app;
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf["server_id"]);
|
|
/** The type of the data */
|
$type = 'server_load';
|
|
/* Delete Data older than 1 day */
|
$this->_delOldRecords($type, 0, 0, 1);
|
|
/*
|
Fetch the data into a array
|
*/
|
$procUptime = shell_exec("cat /proc/uptime | cut -f1 -d' '");
|
$data['up_days'] = floor($procUptime/86400);
|
$data['up_hours'] = floor(($procUptime-$data['up_days']*86400)/3600);
|
$data['up_minutes'] = floor(($procUptime-$data['up_days']*86400-$data['up_hours']*3600)/60);
|
|
$data['uptime'] = shell_exec("uptime");
|
|
$tmp = explode(",", $data['uptime'], 3);
|
$tmpUser = explode(" ", trim($tmp[1]));
|
$data['user_online'] = intval($tmpUser[0]);
|
|
$loadTmp = explode(":" , trim($tmp[2]));
|
$load = explode(",", $loadTmp[1]);
|
$data['load_1'] = floatval(trim($load[0]));
|
$data['load_5'] = floatval(trim($load[1]));
|
$data['load_15'] = floatval(trim($load[2]));
|
|
// Todo: the state should be calculated. For example if the load is to heavy, the state is warning...
|
$state = 'ok';
|
|
/*
|
Insert the data into the database
|
*/
|
$sql = "INSERT INTO monitor_data (server_id, type, created, data, state) " .
|
"VALUES (".
|
$conf["server_id"] . ", " .
|
"'" . $app->db->quote(serialize($type)) . "', " .
|
time() . ", " .
|
"'" . $app->db->quote(serialize($data)) . "', " .
|
"'" . $state . "'" .
|
")";
|
$app->db->query($sql);
|
}
|
|
function monitorDiskUsage() {
|
global $app;
|
global $conf;
|
|
/* the id of the server as int */
|
$server_id = intval($conf["server_id"]);
|
|
/** The type of the data */
|
$type = 'disk_usage';
|
|
/* Delete Data older than 10 minutes */
|
$this->_delOldRecords($type, 10);
|
|
/*
|
Fetch the data into a array
|
*/
|
$fd = popen ("df", "r");
|
$buffer = '';
|
while (!feof($fd)) {
|
$buffer .= fgets($fd, 4096);
|
}
|
|
// split into array
|
$df = split("\n", $buffer);
|
// ignore the first line make a array of the rest
|
for($i=1; $i <= sizeof($df); $i++){
|
if ($df[$i] != '')
|
{
|
$s = preg_split ("/[\s]+/", $df[$i]);
|
$data[$i]['fs'] = $s[0];
|
$data[$i]['size'] = $s[1];
|
$data[$i]['used'] = $s[2];
|
$data[$i]['available'] = $s[3];
|
$data[$i]['percent'] = $s[4];
|
$data[$i]['mounted'] = $s[5];
|
}
|
}
|
|
// Todo: the state should be calculated. For example if the load is to heavy, the state is warning...
|
$state = 'ok';
|
|
/*
|
Insert the data into the database
|
*/
|
$sql = "INSERT INTO monitor_data (server_id, type, created, data, state) " .
|
"VALUES (".
|
$conf["server_id"] . ", " .
|
"'" . $app->db->quote(serialize($type)) . "', " .
|
time() . ", " .
|
"'" . $app->db->quote(serialize($data)) . "', " .
|
"'" . $state . "'" .
|
")";
|
$app->db->query($sql);
|
}
|
//
|
//
|
// function show_memusage ()
|
// {
|
// global $app;
|
//
|
// $html_out .= '<table id="system_memusage">';
|
//
|
// $fd = fopen ("/proc/meminfo", "r");
|
// while (!feof($fd)) {
|
// $buffer .= fgets($fd, 4096);
|
// }
|
// fclose($fd);
|
//
|
// $meminfo = split("\n",$buffer);
|
//
|
// foreach($meminfo as $mline){
|
// if($x > 2 and trim($mline) != "") {
|
//
|
// $mpart = split(":",$mline);
|
//
|
// $html_out .= '<tr>
|
// <td>'.$mpart[0].':</td>
|
// <td>'.$mpart[1].'</td>
|
// </tr>';
|
// }
|
//
|
// $x++;
|
// }
|
// $html_out .= '</table>';
|
// return $html_out;
|
// }
|
//
|
// function show_cpu ()
|
// {
|
// global $app;
|
//
|
// $html_out .= '<table id="system_cpu">';
|
//
|
// $n = 0;
|
// if(is_readable("/proc/cpuinfo")) {
|
// if($fd = fopen ("/proc/cpuinfo", "r")) {
|
// while (!feof($fd)) {
|
// $buffer .= fgets($fd, 4096);
|
// $n++;
|
// if($n > 100) break;
|
// }
|
// fclose($fd);
|
// }
|
// }
|
//
|
// $meminfo = split("\n",$buffer);
|
//
|
// if(is_array($meminfo)) {
|
// foreach($meminfo as $mline){
|
// if(trim($mline) != "") {
|
//
|
// $mpart = split(":",$mline);
|
//
|
// $html_out .= '<tr>
|
// <td>'.$mpart[0].':</td>
|
// <td>'.$mpart[1].'</td>
|
// </tr>';
|
// }
|
// }
|
//
|
// $x++;
|
// }
|
// $html_out .= '</table></div>';
|
//
|
//
|
// return $html_out;
|
// }
|
//
|
// function show_services ()
|
// {
|
// global $app;
|
//
|
// $html_out .= '<table id="system_services">';
|
//
|
// // Checke Webserver
|
// if(_check_tcp('localhost',80)) {
|
// $status = '<span class="online">Online</span>';
|
// } else {
|
// $status = '<span class="offline">Offline</span>';
|
// }
|
// $html_out .= '<tr>
|
// <td>Web-Server:</td>
|
// <td>'.$status.'</td>
|
// </tr>';
|
//
|
//
|
// // Checke FTP-Server
|
// if(_check_ftp('localhost',21)) {
|
// $status = '<span class="online">Online</span>';
|
// } else {
|
// $status = '<span class="offline">Offline</span>';
|
// }
|
// $html_out .= '<tr>
|
// <td>FTP-Server:</td>
|
// <td>'.$status.'</td>
|
// </tr>';
|
//
|
// // Checke SMTP-Server
|
// if(_check_tcp('localhost',25)) {
|
// $status = '<span class="online">Online</span>';
|
// } else {
|
// $status = '<span class="offline">Offline</span>';
|
// }
|
// $html_out .= '<tr>
|
// <td>SMTP-Server:</td>
|
// <td>'.$status.'</td>
|
// </tr>';
|
//
|
// // Checke POP3-Server
|
// if(_check_tcp('localhost',110)) {
|
// $status = '<span class="online">Online</span>';
|
// } else {
|
// $status = '<span class="offline">Offline</span>';
|
// }
|
// $html_out .= '<tr>
|
// <td>POP3-Server:</td>
|
// <td>'.$status.'</td>
|
// </tr>';
|
//
|
// // Checke BIND-Server
|
// if(_check_tcp('localhost',53)) {
|
// $status = '<span class="online">Online</span>';
|
// } else {
|
// $status = '<span class="offline">Offline</span>';
|
// }
|
// $html_out .= '<tr>
|
// <td>DNS-Server:</td>
|
// <td>'.$status.'</td>
|
// </tr>';
|
//
|
// // Checke MYSQL-Server
|
// //if($this->_check_tcp('localhost',3306)) {
|
// $status = '<span class="online">Online</span>';
|
// //} else {
|
// //$status = '<span class="offline">Offline</span>';
|
// //}
|
// $html_out .= '<tr>
|
// <td>mySQL-Server:</td>
|
// <td>'.$status.'</td>
|
// </tr>';
|
//
|
//
|
// $html_out .= '</table></div>';
|
//
|
//
|
// return $html_out;
|
// }
|
//
|
// function _check_tcp ($host,$port) {
|
//
|
// $fp = @fsockopen ($host, $port, &$errno, &$errstr, 2);
|
//
|
// if ($fp) {
|
// return true;
|
// fclose($fp);
|
// } else {
|
// return false;
|
// fclose($fp);
|
// }
|
// }
|
//
|
// function _check_udp ($host,$port) {
|
//
|
// $fp = @fsockopen ('udp://'.$host, $port, &$errno, &$errstr, 2);
|
//
|
// if ($fp) {
|
// return true;
|
// fclose($fp);
|
// } else {
|
// return false;
|
// fclose($fp);
|
// }
|
// }
|
//
|
// function _check_ftp ($host,$port){
|
//
|
// $conn_id = @ftp_connect($host, $port);
|
//
|
// if($conn_id){
|
// @ftp_close($conn_id);
|
// return true;
|
// } else {
|
// @ftp_close($conn_id);
|
// return false;
|
// }
|
// }
|
|
/*
|
Deletes Records older than n.
|
*/
|
function _delOldRecords($type, $min, $hour=0, $days=0) {
|
global $app;
|
|
$now = time();
|
$old = $now - ($min * 60) - ($hour * 60 * 60) - ($days * 24 * 60 * 60);
|
$sql = "DELETE FROM monitor_data " .
|
"WHERE " .
|
"type =" . "'" . $app->db->quote(serialize($type)) . "' " .
|
"AND " .
|
"created < " . $old;
|
$app->db->query($sql);
|
}
|
|
|
} // end class
|
|
?>
|
