232 lines
6.3 KiB
Perl
232 lines
6.3 KiB
Perl
#!/usr/bin/perl -w
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#
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# check_maxchannels.pl - nagios plugin
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#
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#
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# Copyright (C) 2000 Christoph Kron
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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 of
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# 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; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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# Report bugs to: ck@zet.net
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#
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# 11.01.2000 Version 1.0
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use strict;
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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 $TIMEOUT = 15;
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my %ERRORS = ('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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my $answer = "";
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my $snmpkey;
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my $snmpoid;
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my $key;
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my $community = "public";
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my $port = 161;
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my @snmpoids;
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# free channels
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my $snmpWanAvailableChannels = '1.3.6.1.4.1.529.4.23.0';
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# maximum channels
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my $snmpWanSwitchedChannels = '1.3.6.1.4.1.529.4.24.0';
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my $snmpWanDisabledChannels = '1.3.6.1.4.1.529.4.25.0';
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my $snmpWanActiveChannels = '1.3.6.1.4.1.529.4.26.0';
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my $snmpWanNailedChannels = '1.3.6.1.4.1.529.4.27.0';
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my $snmpWanOutOfServiceChannels = '1.3.6.1.4.1.529.4.28.0';
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my $snmpEventCurrentActiveSessions = '1.3.6.1.4.1.529.10.6.0';
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# since startup
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my $snmpEventTotalNoModems = '1.3.6.1.4.1.529.10.15.0';
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# lan modem
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my $snmpDeadLanModem = '1.3.6.1.4.1.529.15.7.0';
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my $snmpDisabledLanModem = '1.3.6.1.4.1.529.15.5.0';
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my $snmpSuspectLanModem = '1.3.6.1.4.1.529.15.3.0';
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my $snmpAvailLanModem = '1.3.6.1.4.1.529.15.1.0';
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my $snmpBusyLanModem = '1.3.6.1.4.1.529.15.9.0';
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# max modems
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my $snmpMdmNumber = '1.3.6.1.2.1.38.1.1.0';
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my $hostname;
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my $session;
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my $error;
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my $response;
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my %wanStatus;
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my $WanAvailableChannels;
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my $WanSwitchedChannels;
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my $WanDisabledChannels;
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my $WanActiveChannels;
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my $WanNailedChannels;
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my $WanOutOfServiceChannels;
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my $EventCurrentActiveSessions;
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my $EventTotalNoModems;
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my $DeadLanModem;
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my $DisabledLanModem;
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my $SuspectLanModem;
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my $AvailLanModem;
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my $BusyLanModem;
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my $MdmNumber;
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sub usage {
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printf "\nMissing arguments!\n";
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printf "\n";
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printf "Perl Check maxchannels plugin for Nagios\n";
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printf "monitors ISDN lines and modems on Ascend MAX 2000/4000/6000/TNT\n";
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printf "usage: \n";
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printf "check_maxchannel.pl -c <READCOMMUNITY> -p <PORT> <HOSTNAME>\n";
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printf "Copyright (C) 2000 Christoph Kron\n";
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printf "check_maxchannels.pl comes with ABSOLUTELY NO WARRANTY\n";
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printf "This programm is licensed under the terms of the ";
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printf "GNU General Public License\n(check source code for details)\n";
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printf "\n\n";
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exit $ERRORS{"UNKNOWN"};
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}
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# Just in case of problems, let's not hang Nagios
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$SIG{'ALRM'} = sub {
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print ("ERROR: No snmp response from $hostname (alarm)\n");
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exit $ERRORS{"UNKNOWN"};
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};
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alarm($TIMEOUT);
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$status = GetOptions("community=s",\$community,
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"port=i",\$port);
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if ($status == 0)
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{
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&usage;
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}
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#shift;
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$hostname = shift || &usage;
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push(@snmpoids,$snmpWanAvailableChannels);
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push(@snmpoids,$snmpWanSwitchedChannels);
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push(@snmpoids,$snmpWanDisabledChannels);
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push(@snmpoids,$snmpWanActiveChannels);
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push(@snmpoids,$snmpWanNailedChannels);
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push(@snmpoids,$snmpWanOutOfServiceChannels);
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push(@snmpoids,$snmpEventCurrentActiveSessions);
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push(@snmpoids,$snmpEventTotalNoModems);
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push(@snmpoids,$snmpDeadLanModem);
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push(@snmpoids,$snmpDisabledLanModem);
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push(@snmpoids,$snmpSuspectLanModem);
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push(@snmpoids,$snmpAvailLanModem);
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push(@snmpoids,$snmpBusyLanModem);
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push(@snmpoids,$snmpMdmNumber);
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($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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$state='UNKNOWN';
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$answer=$error;
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print ("$state: $answer");
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exit $ERRORS{$state};
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}
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if (!defined($response = $session->get_request(@snmpoids))) {
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$answer=$session->error;
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$session->close;
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$state = 'CRITICAL';
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print ("$state: $answer,$community");
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exit $ERRORS{$state};
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}
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$WanAvailableChannels = $response->{$snmpWanAvailableChannels};
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$WanSwitchedChannels = $response->{$snmpWanSwitchedChannels};
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$WanDisabledChannels = $response->{$snmpWanDisabledChannels};
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$WanActiveChannels = $response->{$snmpWanActiveChannels};
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$WanNailedChannels = $response->{$snmpWanNailedChannels};
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$WanOutOfServiceChannels = $response->{$snmpWanOutOfServiceChannels};
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$EventCurrentActiveSessions = $response->{$snmpEventCurrentActiveSessions};
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$EventTotalNoModems = $response->{$snmpEventTotalNoModems};
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$DeadLanModem = $response->{$snmpDeadLanModem};
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$DisabledLanModem = $response->{$snmpDisabledLanModem};
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$SuspectLanModem = $response->{$snmpSuspectLanModem};
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$AvailLanModem = $response->{$snmpAvailLanModem};
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$BusyLanModem = $response->{$snmpBusyLanModem};
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$MdmNumber = $response->{$snmpMdmNumber};
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# less than 50% -> WARNING
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if ( 0 < $WanOutOfServiceChannels
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&& $WanOutOfServiceChannels < ($snmpWanSwitchedChannels * 0.5) ) {
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$state = 'WARNING';
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}
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elsif ($WanOutOfServiceChannels > 0) {
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$state = 'CRITICAL';
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}
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elsif ($DeadLanModem > 0) {
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$state = 'CRITICAL';
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}
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elsif ($SuspectLanModem > 0) {
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$state = 'WARNING';
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}
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elsif ($AvailLanModem == 0) {
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$state = 'WARNING';
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}
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else {
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$state = 'OK';
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}
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$answer = sprintf("active sessions: %d (%d), active modems: %d (%d)<BR>",
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$EventCurrentActiveSessions,
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$WanSwitchedChannels,
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$BusyLanModem,
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$MdmNumber);
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$answer .= sprintf("channels available: %d, disabled: %d",
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$WanAvailableChannels,
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$WanDisabledChannels);
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$answer .= sprintf(", out of service: %d, nailed: %d<BR>",
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$WanOutOfServiceChannels,
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$WanNailedChannels);
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$answer .= sprintf("modems avail.: %d, disabled: %d, suspect: %d, dead: %d<BR>",
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$AvailLanModem,
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$DisabledLanModem,
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$SuspectLanModem,
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$DeadLanModem);
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$answer .= sprintf("unserviced modem calls: %d (since startup)\n",
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$EventTotalNoModems);
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$session->close;
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print ("$state: $answer");
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exit $ERRORS{$state};
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