#!/usr/bin/php5

<?php

/*

** Author

**  Original author Carsten Schoene (cs@linux-administrator.com)

**

** Copyright

**  Copyright (c) 2008 linux-administrator.com

**  All Rights Reserved.

*/

​

// required arguments

// $1 = Host / IP

// $2 = read community string

​

$lowerthreshold = "SNMPv2-SMI::enterprises.1909.13.1.1.1.3.1";

$upperthreshold = "SNMPv2-SMI::enterprises.1909.13.1.1.1.4.1";

$currenttemprature = "SNMPv2-SMI::enterprises.1909.13.1.1.1.5.1";

$grad = iconv("UTF-8","ISO-8859-15","°");

define('MYNAME',"check_rms200");

define('OK',0);

define('WARNING',1);

define('CRITICAL',2);

define('UNKNOWN',3);

define('DEPENDENT',4);

​

define_syslog_variables();

openlog(MYNAME,LOG_PID | LOG_ODELAY,LOG_MAIL);

​

if ( ! extension_loaded("snmp") ) {

        if ( ! dl("snmp") ) {

                syslog(LOG_ERR,"snmp extension not loaded!");

                exit;

        }

}

ini_set("display_errors","on");

// get working directory

define('BASE',dirname(__FILE__));

​

$cmdlineopt = getopt("H:C:");

if (empty($cmdlineopt)) {

        echo "Usage: " . MYNAME . " -H [<hostname> | <ipaddress>] -C [<community>]\n";

        echo "\t -H\t Hostname or IP address (default: localhost)\n";

        echo "\t -C\t Community (default: public)\n";

        exit(1);

}

if ( isset($cmdlineopt['H']) ) {

    $hostname = $cmdlineopt['H'];

} else {

    $hostname = "localhost";

}

​

if ( isset($cmdlineopt['C']) ) {

    $community = $cmdlineopt['C'];

} else {

    $community = "public";

}

$lowerval = @snmpget($hostname,$community,$lowerthreshold);

if ( $lowerval == FALSE ) {

    echo "Can't get lower threshold\n";

    exit(UNKNOWN);

} else {

    $lowarr = explode(": ",$lowerval);

    $lowerval = $lowarr[1];

}

$upperval = @snmpget($hostname,$community,$upperthreshold);

if ( $upperval == FALSE ) {

    echo "Can't get upper threshold\n";

    exit(UNKNOWN);

} else {

    $upparr = explode(": ",$upperval);

    $upperval = $upparr[1];

}

$currentval = @snmpget($hostname,$community,$currenttemprature);

if ( $currentval == FALSE ) {

    echo "Can't get current temprature value\n";

    exit(UNKNOWN);  

} else {

    $curarr = explode(": ",$currentval);

    $currentval = $curarr[1];

}

$cur = $currentval / 100;

$low = $lowerval / 100;

$high = $upperval / 100;

​

if ( $currentval < $lowerval ) {

    echo "Current Temprature " . $cur . " " .$grad . "C is below threshold of " . $low . " " . $grad . "C\n";

    exit(WARNING);

}

if ( $currentval > $upperval ) {

    echo "Current Temprature " . $cur . " " . $grad . "C is over threshold of " . $high . " " . $grad . "C\n";

    exit(CRITICAL);

}

if ( $currentval < $upperval && $currentval > $lowerval ) {

    echo "Current Temprature is " . $cur . " " . $grad . "C\n";

    exit(OK);

}

?>

​