#!/usr/bin/perl

%Monitors = (
	"Power Overload"	=> 1,
	"Main Power Fault"	=> 1,
	"Power Control Fault"	=> 1,
	"Drive Fault"		=> 1,
	"Cooling/Fan Fault"	=> 1
);

open(I, "/dev/ipmi0") or &unknown("Unable to open IPMI device");
close I;

open(I, "ipmitool -I open chassis status|") or &unknown("Unable to run IPMI command");

$code = 0;
while (<I>) {
	chop;
	s/ *: /:/;
	($mon, $state) = split /:/;
	if ($Monitors{$mon} and $state ne "false") {
		push @result, $mon;
		$code = 2;
	}
}

close I;

if ($code == 0) {
	print "OK: no chassis faults\n";
	exit 0;
}

else {
	$result = join ", ", @result;
	print "CRITICAL: $result\n";
	exit $code;
}


sub unknown
{
	print "UNKNOWN: @_[0]\n";
	exit 3;
}