[Nagiosplug-checkins] CVS: nagiosplug/plugins-scripts check_ifoperstatus.pl,NONE,1.1 Makefile.am,1.2,1.3
Subhendu Ghosh
sghosh at users.sourceforge.net
Thu May 9 12:04:29 CEST 2002
Update of /cvsroot/nagiosplug/nagiosplug/plugins-scripts
In directory usw-pr-cvs1:/tmp/cvs-serv23468
Modified Files:
Makefile.am
Added Files:
check_ifoperstatus.pl
Log Message:
migrated check_ifoperstatus to standard plugin
--- NEW FILE ---
#!/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 at zet.net, nagiosplug-help at lists.sf.net
#
# 11.01.2000 Version 1.0
# $Id: check_ifoperstatus.pl,v 1.1 2002/05/09 19:03:51 sghosh Exp $
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: 1.1 $ ');
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 <IF_KEY> -H <HOSTNAME> [-C <community>]\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: 1.1 $');
}
Index: Makefile.am
===================================================================
RCS file: /cvsroot/nagiosplug/nagiosplug/plugins-scripts/Makefile.am,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** Makefile.am 8 May 2002 04:58:22 -0000 1.2
--- Makefile.am 9 May 2002 19:03:51 -0000 1.3
***************
*** 7,15 ****
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
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
TESTS_ENVIRONMENT=perl -I $(top_builddir) -I $(top_srcdir)
--- 7,15 ----
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 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_ifoperstatus.pl check_wave.pl utils.sh.in utils.pm.in t
TESTS_ENVIRONMENT=perl -I $(top_builddir) -I $(top_srcdir)
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