From de814d1a37f23c8eb341a22bb2870c0979a6ca08 Mon Sep 17 00:00:00 2001 From: Subhendu Ghosh Date: Thu, 9 May 2002 19:03:51 +0000 Subject: [PATCH] migrated check_ifoperstatus to standard plugin git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@28 f882894a-f735-0410-b71e-b25c423dba1c --- plugins-scripts/Makefile.am | 4 +- plugins-scripts/check_ifoperstatus.pl | 255 ++++++++++++++++++++++++++ 2 files changed, 257 insertions(+), 2 deletions(-) create mode 100644 plugins-scripts/check_ifoperstatus.pl diff --git a/plugins-scripts/Makefile.am b/plugins-scripts/Makefile.am index e753a8b..1ca1549 100644 --- a/plugins-scripts/Makefile.am +++ b/plugins-scripts/Makefile.am @@ -6,11 +6,11 @@ VPATH=$(top_srcdir) $(top_srcdir)/plugins-scripts $(top_srcdir)/plugins-scripts/ libexec_SCRIPTS = check_breeze check_disk_smb check_flexlm check_ircd \ check_log check_ntp check_oracle check_rpc check_sensors check_wave \ - check_ifstatus utils.sh utils.pm + check_ifstatus check_ifoperstatus utils.sh utils.pm EXTRA_DIST=check_breeze.pl check_disk_smb.pl check_flexlm.pl check_ircd.pl \ check_log.sh check_ntp.pl check_oracle.sh check_rpc.pl check_sensors.sh \ - check_ifstatus.pl check_wave.pl utils.sh.in utils.pm.in t + check_ifstatus.pl check_ifoperstatus.pl check_wave.pl utils.sh.in utils.pm.in t TESTS_ENVIRONMENT=perl -I $(top_builddir) -I $(top_srcdir) diff --git a/plugins-scripts/check_ifoperstatus.pl b/plugins-scripts/check_ifoperstatus.pl new file mode 100644 index 0000000..4696467 --- /dev/null +++ b/plugins-scripts/check_ifoperstatus.pl @@ -0,0 +1,255 @@ +#!/usr/local/bin/perl -w +# +# check_ifoperstatus.pl - nagios plugin +# +# Copyright (C) 2000 Christoph Kron +# Modified 5/2002 to conform to updated Nagios Plugin Guidelines +# Added support for named interfaces per Valdimir Ivaschenko (S. Ghosh) +# +# 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, nagiosplug-help@lists.sf.net +# +# 11.01.2000 Version 1.0 +# $Id$ + +use POSIX; +use strict; +use lib utils.pm ; +use utils qw($TIMEOUT %ERRORS &print_revision &support); + +use Net::SNMP; +use Getopt::Long; +&Getopt::Long::config('bundling'); + +my $PROGNAME = "check_ifoperstatus"; +my $status; +my %ifOperStatus = ('1','up', + '2','down', + '3','testing', + '4','unknown', + '5','dormant', + '6','notPresent'); + +my $state = "UNKNOWN"; +my $answer = ""; +my $snmpkey = 0; +my $community = "public"; +my $port = 161; +my @snmpoids; +my $snmpIfDescr = '1.3.6.1.2.1.2.2.1.2'; +my $snmpIfOperStatus = '1.3.6.1.2.1.2.2.1.8'; +my $snmpIfName = '1.3.6.1.2.1.31.1.1.1.1'; +my $snmpIfAlias = '1.3.6.1.2.1.31.1.1.1.18'; +my $snmpLocIfDescr = '1.3.6.1.4.1.9.2.2.1.1.28'; +my $hostname; +my $session; +my $error; +my $response; +my $snmp_version = 1 ; +my $ifXTable; +my $opt_h ; +my $opt_V ; +my $ifdescr; +my $key; + + + +# Just in case of problems, let's not hang Nagios +$SIG{'ALRM'} = sub { + print ("ERROR: No snmp response from $hostname (alarm)\n"); + exit $ERRORS{"UNKNOWN"}; +}; +#alarm($TIMEOUT); + + +$status = GetOptions( + "V" => \$opt_V, "version" => \$opt_V, + "h" => \$opt_h, "help" => \$opt_h, + "v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version, + "C=s" =>\$community, "community=s" => \$community, + "k=i" =>\$snmpkey, "key=i",\$snmpkey, + "d=s" =>\$ifdescr, "descr=s" => \$ifdescr, + "p=i" =>\$port, "port=i",\$port, + "H=s" => \$hostname, "hostname=s" => \$hostname, + "I" => \$ifXTable, "ifmib" => \$ifXTable); + + + +if ($status == 0) +{ + print_help(); + exit $ERRORS{'OK'}; +} + +if ($opt_V) { + print_revision($PROGNAME,'$Revision$ '); + exit $ERRORS{'OK'}; +} + +if ($opt_h) { + print_help(); + exit $ERRORS{'OK'}; +} + +if (! utils::is_hostname($hostname)){ + usage(); + exit $ERRORS{"UNKNOWN"}; +} + + +if ( $snmp_version =~ /[12]/ ) { + ($session, $error) = Net::SNMP->session( + -hostname => $hostname, + -community => $community, + -port => $port, + -version => $snmp_version + ); + + if (!defined($session)) { + $state='UNKNOWN'; + $answer=$error; + print ("$state: $answer"); + exit $ERRORS{$state}; + } +}elsif ( $snmp_version =~ /3/ ) { + $state='UNKNOWN'; + print ("$state: No support for SNMP v3 yet\n"); + exit $ERRORS{$state}; +}else{ + $state='UNKNOWN'; + print ("$state: No support for SNMP v$snmp_version yet\n"); + exit $ERRORS{$state}; +} + +if (defined $ifdescr) { + # escape "/" in ifdescr - very common in the Cisco world + $ifdescr =~ s/\//\\\//g; + + $status=fetch_ifdescr(); # if using on device with large number of interfaces + # recommend use of SNMP v2 (get-bulk) + if ($status==0) { + $state = "UNKNOWN"; + printf "$state: could not retrive ifIndex - $status-$snmpkey\n"; + $session->close; + exit $ERRORS{$state}; + } +} +if ( $snmpkey == 0 ) { + printf "ifIndex key cannot be 0\n"; + usage(); + exit $ERRORS{'UNKNOWN'}; +} + + $snmpIfOperStatus = '1.3.6.1.2.1.2.2.1.8' . "." . $snmpkey; + $snmpIfDescr = '1.3.6.1.2.1.2.2.1.2' . "." . $snmpkey; + $snmpIfAlias = '1.3.6.1.2.1.31.1.1.1.18' . "." . $snmpkey ; + + +push(@snmpoids,$snmpIfOperStatus); +push(@snmpoids,$snmpIfDescr); +push(@snmpoids,$snmpIfAlias) if (defined $ifXTable) ; + + if (!defined($response = $session->get_request(@snmpoids))) { + $answer=$session->error; + $session->close; + $state = 'CRITICAL'; + print ("$state: $answer for ifIndex $snmpkey\n"); + exit $ERRORS{$state}; + } + + $answer = sprintf("host '%s', %s(%s) is %s\n", + $hostname, + $response->{$snmpIfDescr}, + $snmpkey, + $ifOperStatus{$response->{$snmpIfOperStatus}} + ); + + $session->close; + + if ( $response->{$snmpIfOperStatus} == 1 ) { + $state = 'OK'; + } + else { + $state = 'CRITICAL'; + } + +print ("$state: $answer"); +exit $ERRORS{$state}; + + +sub fetch_ifdescr { + if (!defined ($response = $session->get_table($snmpIfDescr))) { + $answer=$session->error; + $session->close; + $state = 'CRITICAL'; + printf ("$state: $answer for $snmpIfDescr with snmp version $snmp_version\n"); + $session->close; + exit $ERRORS{$state}; + } + + foreach $key ( keys %{$response}) { + if ($response->{$key} =~ /$ifdescr/) { + $key =~ /.*\.(\d+)$/; + $snmpkey = $1; + #print "$ifdescr = $key / $snmpkey \n"; #debug + } + } + unless (defined $snmpkey) { + $session->close; + $state = 'CRITICAL'; + printf "$state: Could not match $ifdescr on $hostname\n"; + exit $ERRORS{$state}; + } + + return $snmpkey; +} + +sub usage { + printf "\nMissing arguments!\n"; + printf "\n"; + printf "usage: \n"; + printf "check_ifoperstatus -k -H [-C ]\n"; + printf "Copyright (C) 2000 Christoph Kron\n"; + printf "check_ifoperstatus.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 $ERRORS{"UNKNOWN"}; +} + +sub print_help { + printf "check_ifoperstatus plugin for Nagios monitors operational \n"; + printf "status of a particular network interface on the target host\n"; + printf "\nUsage:\n"; + printf " -H (--hostname) Hostname to query - (required)\n"; + printf " -C (--community) SNMP read community (defaults to public,\n"; + printf " used with SNMP v1 and v2c\n"; + printf " -v (--snmp_version) 1 for SNMP v1 (default)\n"; + printf " 2 for SNMP v2c\n"; + printf " SNMP v2c will use get_bulk for less overhead\n"; + printf " if monitoring with -d\n"; + printf " -k (--key) SNMP ifIndex value\n"; + printf " -d (--descr) SNMP ifDescr value\n"; + printf " -p (--port) SNMP port (default 161)\n"; + printf " -I (--ifmib) Agent supports IFMIB ifXTable. Do not use if\n"; + printf " you don't know what this is.\n"; + printf " -V (--version) Plugin version\n"; + printf " -h (--help) usage help \n\n"; + printf " -k or -d must be specified\n\n"; + print_revision($PROGNAME, '$Revision$'); + +} -- 2.30.2