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-rwxr-xr-xMonitoring/plugins/check_bgpstate215
1 files changed, 215 insertions, 0 deletions
diff --git a/Monitoring/plugins/check_bgpstate b/Monitoring/plugins/check_bgpstate
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+#!/usr/bin/perl -w
+#
+# check_bgpstate.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');
+
+
+# whois programm for RIPE database queries
+my $whois = '/usr/bin/whois';
+my $status;
+my $TIMEOUT = 30;
+
+# critical bgp sessions
+my %uplinks = ( 1273, 'Uplink ECRC',
+ 1755, 'Uplink EBONE',
+ 3300, 'Uplink AUCS'
+ );
+
+my %ERRORS = ('UNKNOWN' , '-1',
+ 'OK' , '0',
+ 'WARNING', '1',
+ 'CRITICAL', '2');
+
+
+my %bgpPeerState = (
+ '1',"idle",
+ '2',"connect",
+ '3',"active",
+ '4',"opensent",
+ '5',"openconfirm",
+ '6',"established"
+ );
+my $state = "UNKNOWN";
+my $answer = "";
+my $snmpkey;
+my $snmpoid;
+my $key;
+my $community = "public";
+my $port = 161;
+my @snmpoids;
+my $snmpbgpPeerState = '1.3.6.1.2.1.15.3.1.2';
+my $snmpbgpPeerLocalAddr = '1.3.6.1.2.1.15.3.1.5';
+my $snmpbgpPeerRemoteAddr = '1.3.6.1.2.1.15.3.1.7';
+my $snmpbgpPeerRemoteAs = '1.3.6.1.2.1.15.3.1.9';
+my $hostname;
+my $session;
+my $error;
+my $response;
+my %bgpStatus;
+my $bgpestablished =0 ;
+my $bgpcritical =0;
+my $bgpdown =0;
+my $bgpidle =0;
+my $bgpmessage;
+my $asname;
+my $remoteas;
+my @output;
+
+sub usage {
+ printf "\nMissing arguments!\n";
+ printf "\n";
+ printf "Perl bgpstate plugin for Nagios\n";
+ printf "monitors all BGP sessions\n";
+ printf "usage: \n";
+ printf "check_bgpstate.pl -c <READCOMMUNITY> -p <PORT> <HOSTNAME>\n";
+ printf "Copyright (C) 2000 Christoph Kron\n";
+ printf "check_bgpstate.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, $snmpbgpPeerState);
+push(@snmpoids, $snmpbgpPeerLocalAddr);
+push(@snmpoids, $snmpbgpPeerRemoteAddr);
+push(@snmpoids, $snmpbgpPeerRemoteAs);
+
+foreach $snmpoid (@snmpoids) {
+
+ ($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 = $session->get_table($snmpoid))) {
+ $answer=$session->error;
+ $session->close;
+ $state = 'CRITICAL';
+ print ("$state: $answer,$snmpkey");
+ exit $ERRORS{$state};
+ }
+
+ foreach $snmpkey (keys %{$response}) {
+ $snmpkey =~ m/.*\.(\d+\.\d+\.\d+\.\d+$)/;
+ $key = $1;
+# printf "debug: $snmpkey: $key -> $response->{$snmpkey}\n";
+ $bgpStatus{$key}{$snmpoid} = $response->{$snmpkey};
+ }
+ $session->close;
+}
+
+foreach $key (keys %bgpStatus) {
+ if ($bgpStatus{$key}{$snmpbgpPeerState} == 6 ) {
+ $bgpestablished++;
+ }
+ elsif ($bgpStatus{$key}{$snmpbgpPeerState} == 1 ) {
+ $bgpidle++;
+ }
+ else {
+ $bgpdown++ ;
+ if (exists($uplinks{$bgpStatus{$key}{$snmpbgpPeerRemoteAs}}) ) {
+ $bgpcritical++;
+ }
+ @output = `$whois -T aut-num AS$bgpStatus{$key}{$snmpbgpPeerRemoteAs}`;
+
+ $asname = "";
+ foreach (@output) {
+ if (m/as-name/) {
+ $asname = $_;
+ $asname =~ s/as-name://;
+ last;
+ }
+ if ( $asname =~ "" && m/descr/ ) {
+ $asname = $_;
+ $asname =~ s/descr://;
+ }
+ }
+ $asname =~ s/^\s*//;
+ $asname =~ s/\s*$//;
+ $bgpmessage .= sprintf("Peering with AS%s not established -> %s<BR>",
+ $bgpStatus{$key}{$snmpbgpPeerRemoteAs},
+ $asname);
+ }
+}
+
+
+ if ($bgpdown > 0) {
+ if ($bgpcritical > 0) {
+ $state = 'CRITICAL';
+ }
+ else {
+ $state = 'WARNING';
+ }
+ $answer = sprintf("host '%s', sessions up: %d, down: %d, shutdown: %d<BR>",
+ $hostname,
+ $bgpestablished,
+ $bgpdown, $bgpidle);
+ $answer = $answer . $bgpmessage . "\n";
+ }
+ else {
+ $state = 'OK';
+ $answer = sprintf("host '%s', sessions up: %d, down: %d, shutdown: %d\n",
+ $hostname,
+ $bgpestablished,
+ $bgpdown,$bgpidle);
+ }
+
+print ("$state: $answer");
+exit $ERRORS{$state};
+