167 lines
4.7 KiB
Perl
167 lines
4.7 KiB
Perl
#!/usr/bin/perl -wT
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# check_ciscotemp.pl
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#
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# Copyright (C) 2000 Leland E. Vandervort <leland@mmania.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty
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# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# you should have received a copy of the GNU General Public License
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# along with this program (or with Nagios); if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA
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####################################
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# Nagios pluging to check inlet and outlet temperatures on
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# Cisco router platforms which support environmental monitoring
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# (7200, 7500, GSR12000...)
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####################################
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# default temperature thresholds are 30C for inlet, 40C outlet.
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# if input or output is less than thresholds, returns OK
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# if equal to (the temps don't change that rapidly) returns WARNING
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# if greater than threshold, returns CRITICAL
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# if undetermined, or cannot access environmental, returns UNKNOWN
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# (in accordance with the plugin coding guidelines)
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####################################
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use Net::SNMP;
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use Getopt::Long;
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&Getopt::Long::config('auto_abbrev');
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my $status;
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my $response = "";
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my $timeout = 10;
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my $community = "public";
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my $port = 161;
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my $INTAKE_TEMP = "1.3.6.1.4.1.9.9.13.1.3.1.3.1";
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my $OUTLET_TEMP = "1.3.6.1.4.1.9.9.13.1.3.1.3.3";
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my $in_temp;
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my $out_temp;
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my $inlet_thresh = 30;
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my $outlet_thresh = 40;
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my %STATUSCODE = ( 'UNKNOWN' => '-1',
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'OK' => '0',
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'WARNING' => '1',
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'CRITICAL' => '2');
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my $state = "UNKNOWN";
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$SIG{'ALRM'} = sub {
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print "ERROR: No snmp response from $hostname (sigALRM)\n";
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exit($STATUSCODE{"UNKNOWN"});
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};
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Getopt::Long::Configure('bundling');
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$status = GetOptions
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("community=s", \$community,
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"C=s", \$community,
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"H=s", \$hostname,
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"hostname=s", \$hostname,
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"port=i", \$port,
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"timeout=i", \$timeout,
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"c=s", \$critical_vals,
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"w=s", \$warning_vals,
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"ithresh=i", \$inlet_thresh,
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"othresh=i", \$outlet_thresh);
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if($status == 0) {
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&show_help;
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}
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unless (defined($hostname)) {
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$hostname = shift || &show_help;
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}
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if (defined($critical_vals)) {
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if ($critical_vals =~ m/^([0-9]+)[,:]([0-9]+)$/) {
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($inlet_thresh,$outlet_thresh) = ($1, $2);
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} else {
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die "Cannot Parse Critical Thresholds\n";
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}
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}
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if (defined($warning_vals)) {
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if ($warning_vals =~ m/^([0-9]+)[:,]([0-9]+)$/) {
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($inlet_warn,$outlet_warn) = ($1, $2);
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} else {
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die "Cannot Parse Warning Thresholds\n";
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}
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}else{
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$inlet_warn=$inlet_thresh;
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$outlet_warn=$outlet_thresh;
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}
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alarm($timeout);
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$in_temp = &SNMPGET($INTAKE_TEMP);
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$out_temp = &SNMPGET($OUTLET_TEMP);
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if (($in_temp < $inlet_thresh) && ($out_temp < $outlet_thresh)) {
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$state = "OK";
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}
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elsif (($in_temp == $inlet_thresh) || ($out_temp == $outlet_thresh)) {
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if(($in_temp > $inlet_thresh) || ($out_temp > $outlet_thresh)) {
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$state = "CRITICAL";
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}
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else {
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$state = "WARNING";
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}
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}
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elsif (($in_temp > $inlet_thresh) || ($out_temp > $outlet_thresh)) {
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$state = "CRITICAL";
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}
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else {
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$state = "WARNING";
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}
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print "$state Inlet Temp: $in_temp Outlet Temp: $out_temp\n";
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exit($STATUSCODE{$state});
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sub show_help {
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printf("\nPerl envmon temperature plugin for Nagios\n");
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printf("Usage:\n");
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printf("
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check_ciscotemp [options] <hostname>
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Options:
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-C snmp-community
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-p snmp-port
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-i input temperature threshold
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-o output temperature threshold
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");
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printf("Copyright (C)2000 Leland E. Vandervort\n");
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printf("check_ciscotemp comes with absolutely NO WARRANTY either implied or explicit\n");
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printf("This program is licensed under the terms of the\n");
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printf("GNU General Public License\n(check source code for details)\n\n\n");
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exit($STATUSCODE{"UNKNOWN"});
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}
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sub SNMPGET {
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$OID = shift;
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($session,$error) = Net::SNMP->session(
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Hostname => $hostname,
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Community => $community,
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Port => $port
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);
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if(!defined($session)) {
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printf("$state %s\n", $error);
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exit($STATUSCODE{$state});
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}
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if(!defined($response = $session->get_request($OID))) {
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printf("$state %s\n", $session->error());
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$session->close();
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exit($STATUSCODE{$state});
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}
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$session->close();
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return($response->{$OID});
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}
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