diff options
| -rw-r--r-- | plugins-scripts/Makefile.am | 4 | ||||
| -rwxr-xr-x | plugins-scripts/check_ifstatus.pl | 250 |
2 files changed, 252 insertions, 2 deletions
diff --git a/plugins-scripts/Makefile.am b/plugins-scripts/Makefile.am index 4bdf7175..e753a8bb 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 \ - utils.sh utils.pm + check_ifstatus 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_wave.pl utils.sh.in utils.pm.in t + check_ifstatus.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_ifstatus.pl b/plugins-scripts/check_ifstatus.pl new file mode 100755 index 00000000..f54008f2 --- /dev/null +++ b/plugins-scripts/check_ifstatus.pl @@ -0,0 +1,250 @@ +#!/usr/local/bin/perl -w +# +# check_ifstatus.pl - nagios plugin +# +# +# Copyright (C) 2000 Christoph Kron +# Modified 5/2002 to conform to updated Nagios Plugin Guidelines (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::Configure('bundling'); + +my $PROGNAME = "check_ifstatus"; + + +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 $snmpoid=0; +my $key=0; +my $community = "public"; +my $port = 161; +my @snmpoids; +my $snmpIfAdminStatus = '1.3.6.1.2.1.2.2.1.7'; +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 %ifStatus; +my $ifup =0 ; +my $ifdown =0; +my $ifdormant = 0; +my $ifmessage = ""; +my $snmp_version = 1; +my $ifXTable; +my $opt_h ; +my $opt_V ; + + + + + +# Just in case of problems, let's not hang Nagios +$SIG{'ALRM'} = sub { + print ("ERROR: No snmp response from $hostname (alarm timeout)\n"); + exit $ERRORS{"UNKNOWN"}; +}; +alarm($TIMEOUT); + + + +#Option checking +$status = GetOptions( + "V" => \$opt_V, "version" => \$opt_V, + "h" => \$opt_h, "help" => \$opt_h, + "v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version, + "C=s" =>\$community,"community=s" => \$community, + "p=i" =>\$port, "port=i" => \$port, + "H=s" => \$hostname, "hostname=s" => \$hostname, + "I" => \$ifXTable, "ifmib" => \$ifXTable ); + +if ($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 ) { + $snmp_version =1 ; +}else{ + 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}; + } +} + + + +push(@snmpoids,$snmpIfOperStatus); +push(@snmpoids,$snmpIfAdminStatus); +push(@snmpoids,$snmpIfDescr); +push(@snmpoids,$snmpIfName) if ( defined $ifXTable); + + + +foreach $snmpoid (@snmpoids) { + + if (!defined($response = $session->get_table($snmpoid))) { + $answer=$session->error; + $session->close; + $state = 'CRITICAL'; + print ("$state: $answer for $snmpoid with snmp version $snmp_version\n"); + exit $ERRORS{$state}; + } + + foreach $snmpkey (keys %{$response}) { + $snmpkey =~ /.*\.(\d+)$/; + $key = $1; + $ifStatus{$key}{$snmpoid} = $response->{$snmpkey}; + } +} + + +$session->close; + +foreach $key (keys %ifStatus) { + + # check only if interface is administratively up + if ($ifStatus{$key}{$snmpIfAdminStatus} == 1 ) { + if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;} + if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) { + $ifdown++ ; + $ifmessage .= sprintf("%s: down -> %s<BR>", + $ifStatus{$key}{$snmpIfDescr}, + $ifStatus{$key}{$snmpIfName}); + + } + if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;} + } + } + + + if ($ifdown > 0) { + $state = 'CRITICAL'; + $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d<BR>", + $hostname, + $ifup, + $ifdown, + $ifdormant); + $answer = $answer . $ifmessage . "\n"; + } + else { + $state = 'OK'; + $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d\n", + $hostname, + $ifup, + $ifdown, + $ifdormant); + } + +print ("$state: $answer"); +exit $ERRORS{$state}; + + +sub usage { + printf "\nMissing arguments!\n"; + printf "\n"; + printf "check_ifstatus -C <READCOMMUNITY> -p <PORT> -H <HOSTNAME>\n"; + printf "Copyright (C) 2000 Christoph Kron\n"; + printf "Updates 5/2002 Subhendu Ghosh\n"; + printf "\n\n"; + support(); + exit $ERRORS{"UNKNOWN"}; +} + +sub print_help { + printf "check_ifstatus plugin for Nagios monitors operational \n"; + printf "status of each network interface on the target host\n"; + printf "\nUsage:\n"; + printf " -H (--hostname) Hostname to query - (required)\n"; + printf " -C (--community) SNMP read community (defaults to public,\n"; + printf " used with SNMP v1 and v2c\n"; + printf " -v (--snmp_version) 1 for SNMP v1 (default)\n"; + printf " 2 for SNMP v2c\n"; + printf " SNMP v2c will use get_bulk for less overhead\n"; + printf " -p (--port) SNMP port (default 161)\n"; + printf " -I (--ifmib) Agent supports IFMIB ifXTable. Do not use if\n"; + printf " you don't know what this is.\n"; + printf " -V (--version) Plugin version\n"; + printf " -h (--help) usage help \n\n"; + print_revision($PROGNAME, '$Revision$'); + +} |