Christoph Maser's plugin to check disk usage via SNMP3

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@65 f882894a-f735-0410-b71e-b25c423dba1c

contrib/check_disk_snmp.pl

@@ -0,0 +1,62 @@
+#!/usr/bin/perl
+# cm@financial.com 07/2002
+use strict;
+use Net::SNMP;
+
+if ($#ARGV ne 3) {
+	print "Worng number of Arguments\n";
+	exit 1;
+}
+
+
+my ($host, $device, $warnpercent, $errpercent) = @ARGV;
+if ($warnpercent >= $errpercent) {
+	print "Errorratio must be higher then Warnratio!\n";
+	exit 1;
+}
+
+my ($session, $error) = Net::SNMP->session(
+	-hostname	=>	$host,
+	-nonblocking	=>	0x0,
+	-username	=>	'XXXXX',
+	-authpassword	=>	'XXXXXXXX',
+	-authprotocol	=>	'md5',
+	-version	=>	'3',
+	);
+
+if ($@) {
+	print "SNMP-Error occured";
+	exit 1;
+}
+my $result=undef;
+
+
+my $deviceSize=".1.3.6.1.2.1.25.2.3.1.5.$device";
+my $deviceUsed=".1.3.6.1.2.1.25.2.3.1.6.$device";
+#my $deviceName=".1.3.6.1.2.1.25.3.7.1.2.1536.$device";
+my $deviceName=".1.3.6.1.2.1.25.2.3.1.3.$device";
+my @OID=($deviceSize, $deviceUsed, $deviceName);
+$result = $session->get_request(
+	-varbindlist => \@OID,
+	);
+
+if (!defined($result)) {
+	printf("ERROR: %s.\n", $session->error);
+	$session->close;
+	exit 1;
+}
+
+my $ratio=$result->{$deviceUsed}*100/$result->{$deviceSize};
+
+if ($ratio > $errpercent){
+	printf("CRITICAL: %s usage %.2f%%\n", $result->{$deviceName}, $ratio);
+	exit 2;
+}
+if ($ratio > $warnpercent){
+	printf("WARNING: %s usage %.2f%%\n", $result->{$deviceName}, $ratio);
+        exit 1;
+}
+
+printf("OK: %s usage %.2f%%\n", $result->{$deviceName}, $ratio);
+exit 0;
+