diff options
Diffstat (limited to 'contrib/check_maxchannels.pl')
-rw-r--r-- | contrib/check_maxchannels.pl | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/contrib/check_maxchannels.pl b/contrib/check_maxchannels.pl new file mode 100644 index 00000000..a3ce525b --- /dev/null +++ b/contrib/check_maxchannels.pl @@ -0,0 +1,231 @@ +#!/usr/bin/perl -w +# +# check_maxchannels.pl - nagios plugin +# +# +# Copyright (C) 2000 Christoph Kron +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# +# Report bugs to: ck@zet.net +# +# 11.01.2000 Version 1.0 + +use strict; + +use Net::SNMP; +use Getopt::Long; +&Getopt::Long::config('auto_abbrev'); + + +my $status; +my $TIMEOUT = 15; + +my %ERRORS = ('UNKNOWN' , '-1', + 'OK' , '0', + 'WARNING', '1', + 'CRITICAL', '2'); + + +my $state = "UNKNOWN"; +my $answer = ""; +my $snmpkey; +my $snmpoid; +my $key; +my $community = "public"; +my $port = 161; +my @snmpoids; +# free channels +my $snmpWanAvailableChannels = '1.3.6.1.4.1.529.4.23.0'; +# maximum channels +my $snmpWanSwitchedChannels = '1.3.6.1.4.1.529.4.24.0'; +my $snmpWanDisabledChannels = '1.3.6.1.4.1.529.4.25.0'; +my $snmpWanActiveChannels = '1.3.6.1.4.1.529.4.26.0'; +my $snmpWanNailedChannels = '1.3.6.1.4.1.529.4.27.0'; +my $snmpWanOutOfServiceChannels = '1.3.6.1.4.1.529.4.28.0'; +my $snmpEventCurrentActiveSessions = '1.3.6.1.4.1.529.10.6.0'; +# since startup +my $snmpEventTotalNoModems = '1.3.6.1.4.1.529.10.15.0'; +# lan modem +my $snmpDeadLanModem = '1.3.6.1.4.1.529.15.7.0'; +my $snmpDisabledLanModem = '1.3.6.1.4.1.529.15.5.0'; +my $snmpSuspectLanModem = '1.3.6.1.4.1.529.15.3.0'; +my $snmpAvailLanModem = '1.3.6.1.4.1.529.15.1.0'; +my $snmpBusyLanModem = '1.3.6.1.4.1.529.15.9.0'; +# max modems +my $snmpMdmNumber = '1.3.6.1.2.1.38.1.1.0'; +my $hostname; +my $session; +my $error; +my $response; +my %wanStatus; + + +my $WanAvailableChannels; +my $WanSwitchedChannels; +my $WanDisabledChannels; +my $WanActiveChannels; +my $WanNailedChannels; +my $WanOutOfServiceChannels; +my $EventCurrentActiveSessions; +my $EventTotalNoModems; +my $DeadLanModem; +my $DisabledLanModem; +my $SuspectLanModem; +my $AvailLanModem; +my $BusyLanModem; +my $MdmNumber; + + +sub usage { + printf "\nMissing arguments!\n"; + printf "\n"; + printf "Perl Check maxchannels plugin for Nagios\n"; + printf "monitors ISDN lines and modems on Ascend MAX 2000/4000/6000/TNT\n"; + printf "usage: \n"; + printf "check_maxchannel.pl -c <READCOMMUNITY> -p <PORT> <HOSTNAME>\n"; + printf "Copyright (C) 2000 Christoph Kron\n"; + printf "check_maxchannels.pl comes with ABSOLUTELY NO WARRANTY\n"; + printf "This programm is licensed under the terms of the "; + printf "GNU General Public License\n(check source code for details)\n"; + printf "\n\n"; + exit $ERRORS{"UNKNOWN"}; +} + +# Just in case of problems, let's not hang Nagios +$SIG{'ALRM'} = sub { + print ("ERROR: No snmp response from $hostname (alarm)\n"); + exit $ERRORS{"UNKNOWN"}; +}; +alarm($TIMEOUT); + + +$status = GetOptions("community=s",\$community, + "port=i",\$port); +if ($status == 0) +{ + &usage; +} + + #shift; + $hostname = shift || &usage; + + + +push(@snmpoids,$snmpWanAvailableChannels); +push(@snmpoids,$snmpWanSwitchedChannels); +push(@snmpoids,$snmpWanDisabledChannels); +push(@snmpoids,$snmpWanActiveChannels); +push(@snmpoids,$snmpWanNailedChannels); +push(@snmpoids,$snmpWanOutOfServiceChannels); + +push(@snmpoids,$snmpEventCurrentActiveSessions); + +push(@snmpoids,$snmpEventTotalNoModems); +push(@snmpoids,$snmpDeadLanModem); +push(@snmpoids,$snmpDisabledLanModem); +push(@snmpoids,$snmpSuspectLanModem); +push(@snmpoids,$snmpAvailLanModem); +push(@snmpoids,$snmpBusyLanModem); +push(@snmpoids,$snmpMdmNumber); + + ($session, $error) = Net::SNMP->session( + -hostname => $hostname, + -community => $community, + -port => $port + ); + + if (!defined($session)) { + $state='UNKNOWN'; + $answer=$error; + print ("$state: $answer"); + exit $ERRORS{$state}; + } + + if (!defined($response = $session->get_request(@snmpoids))) { + $answer=$session->error; + $session->close; + $state = 'CRITICAL'; + print ("$state: $answer,$community"); + exit $ERRORS{$state}; + } + + +$WanAvailableChannels = $response->{$snmpWanAvailableChannels}; +$WanSwitchedChannels = $response->{$snmpWanSwitchedChannels}; +$WanDisabledChannels = $response->{$snmpWanDisabledChannels}; +$WanActiveChannels = $response->{$snmpWanActiveChannels}; +$WanNailedChannels = $response->{$snmpWanNailedChannels}; +$WanOutOfServiceChannels = $response->{$snmpWanOutOfServiceChannels}; +$EventCurrentActiveSessions = $response->{$snmpEventCurrentActiveSessions}; +$EventTotalNoModems = $response->{$snmpEventTotalNoModems}; +$DeadLanModem = $response->{$snmpDeadLanModem}; +$DisabledLanModem = $response->{$snmpDisabledLanModem}; +$SuspectLanModem = $response->{$snmpSuspectLanModem}; +$AvailLanModem = $response->{$snmpAvailLanModem}; +$BusyLanModem = $response->{$snmpBusyLanModem}; +$MdmNumber = $response->{$snmpMdmNumber}; + +# less than 50% -> WARNING +if ( 0 < $WanOutOfServiceChannels + && $WanOutOfServiceChannels < ($snmpWanSwitchedChannels * 0.5) ) { + $state = 'WARNING'; +} +elsif ($WanOutOfServiceChannels > 0) { + $state = 'CRITICAL'; +} +elsif ($DeadLanModem > 0) { + $state = 'CRITICAL'; +} +elsif ($SuspectLanModem > 0) { + $state = 'WARNING'; +} +elsif ($AvailLanModem == 0) { + $state = 'WARNING'; +} +else { + $state = 'OK'; +} + + +$answer = sprintf("active sessions: %d (%d), active modems: %d (%d)<BR>", + $EventCurrentActiveSessions, + $WanSwitchedChannels, + $BusyLanModem, + $MdmNumber); + +$answer .= sprintf("channels available: %d, disabled: %d", + $WanAvailableChannels, + $WanDisabledChannels); + +$answer .= sprintf(", out of service: %d, nailed: %d<BR>", + $WanOutOfServiceChannels, + $WanNailedChannels); + +$answer .= sprintf("modems avail.: %d, disabled: %d, suspect: %d, dead: %d<BR>", + $AvailLanModem, + $DisabledLanModem, + $SuspectLanModem, + $DeadLanModem); + +$answer .= sprintf("unserviced modem calls: %d (since startup)\n", + $EventTotalNoModems); + +$session->close; + +print ("$state: $answer"); +exit $ERRORS{$state}; + |