131 lines
4.0 KiB
PHP
131 lines
4.0 KiB
PHP
<?php
|
|
/**
|
|
* @brief Server Monitoring Task
|
|
* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
|
|
* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
|
|
* @license http://www.invisionpower.com/legal/standards/
|
|
* @package IPS Social Suite
|
|
* @subpackage nexus
|
|
* @since 07 Aug 2014
|
|
* @version SVN_VERSION_NUMBER
|
|
*/
|
|
|
|
namespace IPS\nexus\tasks;
|
|
|
|
/* To prevent PHP errors (extending class does not exist) revealing path */
|
|
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
|
|
{
|
|
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Server Monitoring Task
|
|
*/
|
|
class _monitor extends \IPS\Task
|
|
{
|
|
/**
|
|
* Execute
|
|
*
|
|
* If ran successfully, should return anything worth logging. Only log something
|
|
* worth mentioning (don't log "task ran successfully"). Return NULL (actual NULL, not '' or 0) to not log (which will be most cases).
|
|
* If an error occurs which means the task could not finish running, throw an \IPS\Task\Exception - do not log an error as a normal log.
|
|
* Tasks should execute within the time of a normal HTTP request.
|
|
*
|
|
* @return mixed Message to log or NULL
|
|
* @throws \IPS\Task\Exception
|
|
*/
|
|
public function execute()
|
|
{
|
|
if ( \IPS\Settings::i()->monitoring_script )
|
|
{
|
|
/* Init */
|
|
$url = \IPS\Http\Url::external( \IPS\Settings::i()->monitoring_script )->setQueryString( 'notify', base64_encode( \IPS\Settings::i()->monitoring_alert ) );
|
|
if ( \IPS\Settings::i()->monitoring_backup )
|
|
{
|
|
$backupUrl = \IPS\Http\Url::external( \IPS\Settings::i()->monitoring_backup )->setQueryString( 'notify', base64_encode( \IPS\Settings::i()->monitoring_alert ) );
|
|
}
|
|
|
|
/* Loop Servers */
|
|
foreach ( new \IPS\Patterns\ActiveRecordIterator( \IPS\Db::i()->select( '*', 'nexus_hosting_servers', "server_monitor<>'' AND server_monitor_acknowledged=0" ), 'IPS\nexus\Hosting\Server' ) as $server )
|
|
{
|
|
/* Make the call */
|
|
$response = NULL;
|
|
try
|
|
{
|
|
$response = $url->setQueryString( 'check', $server->monitor )->request()->get();
|
|
|
|
if ( $response == 'FAIL' or mb_strstr( $response, 'SUCCESS' ) === FALSE and \IPS\Settings::i()->monitoring_backup )
|
|
{
|
|
throw new \IPS\Http\Request\Exception;
|
|
}
|
|
}
|
|
catch ( \IPS\Http\Request\Exception $e )
|
|
{
|
|
if ( \IPS\Settings::i()->monitoring_backup )
|
|
{
|
|
try
|
|
{
|
|
$response = $backupUrl->setQueryString( 'check', $server->monitor )->request()->get();
|
|
}
|
|
catch ( \IPS\Http\Request\Exception $e ) { }
|
|
}
|
|
}
|
|
|
|
/* If it's online... */
|
|
if ( $response and $response != 'FAIL' and mb_strstr( $response, 'SUCCESS' ) !== FALSE )
|
|
{
|
|
$exploded = explode( "\n", $response );
|
|
|
|
/* If we previously sent an offline email, we can now send a "back online" one */
|
|
if ( $server->monitor_fails > \IPS\Settings::i()->monitoring_allowed_fails )
|
|
{
|
|
$server->monitoringOnline( $exploded[1] );
|
|
}
|
|
|
|
/* Update Server */
|
|
$server->monitor_fails = 0;
|
|
$server->monitor_acknowledged = 0;
|
|
$server->monitor_last_sucess = time();
|
|
$server->monitor_version = $exploded[1];
|
|
$server->save();
|
|
}
|
|
|
|
/* If it's offline... */
|
|
else
|
|
{
|
|
$server->monitor_fails++;
|
|
$server->save();
|
|
|
|
if ( $server->monitor_fails == ( intval( \IPS\Settings::i()->monitoring_allowed_fails ) + 1 ) )
|
|
{
|
|
$server->monitoringOffline();
|
|
}
|
|
elseif ( $server->monitor_fails == intval( \IPS\Settings::i()->monitoring_allowed_fails ) and !$server->monitor_acknowledged )
|
|
{
|
|
$server->monitoringPanic();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
\IPS\DB::i()->update( 'core_tasks', array( 'enabled' => 0 ), array( '`key`=?', 'monitor' ) );
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Cleanup
|
|
*
|
|
* If your task takes longer than 15 minutes to run, this method
|
|
* will be called before execute(). Use it to clean up anything which
|
|
* may not have been done
|
|
*
|
|
* @return void
|
|
*/
|
|
public function cleanup()
|
|
{
|
|
|
|
}
|
|
} |