APC SmartUPS check if UPS is on batteries or cable

Project Notes

This script will check if the UPS is on batteries (and display the percent of battery which is left) or on cable power.

#!/usr/local/bin/php
<?php

/*
*
* Can check if your APC Smart UPS is on batteries or on power.
* Made by Soeren, [email protected] 29-06-2010
*
*/

if(!isset($argv[1]))
{
echo "Usage: ./check_apc <hostname or IP-address> ";
exit(2);
}

$host = $argv[1];
$query = @snmpget("$host", "public", ".1.3.6.1.4.1.318.1.1.1.4.1.1.0", 1000000);
$snmp = str_replace(array("INTEGER: ", """),"",$query);

if ($query)
{
if ($snmp == 1)
{
$output = "State unknown";
echo $output;
exit(1);
}
if ($snmp == 2)
{
$output = "Power connected";
echo $output;
exit(0);
}
if ($snmp == 3)
{
$query3 = @snmpget("$host", "public", ".1.3.6.1.4.1.318.1.1.1.2.2.1.0", 1000000);
$charge = str_replace(array("Gauge32: ", """),"",$query3);
$output = "Power lost. Running on batteries. $charge% left.";
echo $output;
exit(1);
}
if ($snmp == 7)
{
$output = "UPS turned off";
echo $output;
exit(1);
}
if ($snmp == 8)
{
$output = "UPS is rebooting";
echo $output;
exit(1);
}
if ($snmp == 11)
{
$output = "UPS is sleeping until power returns";
echo $output;
exit(1);
}

}
else
{
echo "Cannot read data from host.";
exit(2);
}

?>

Remember to change /usr/local/bin/php to whereever your php-binary is located. Also chmod +x check_apc

commands.cfg:

define command{
command_name check_apc
command_line $USER1$/check_apc_on_battery $HOSTADDRESS$
}

services.cfg:

define service{
use default-critical
host_name apc
service_description UPS Status
check_command check_apc! $HOSTADDRESS$
max_check_attempts 1
notification_interval 5
}