remove source-dist branch
This commit is contained in:
Marc Haber
commit
a1bc04fc80
411 changed files with 128132 additions and 0 deletions
505
plugins-scripts/check_ifoperstatus.pl
Normal file
505
plugins-scripts/check_ifoperstatus.pl
Normal file
|
|
@ -0,0 +1,505 @@
|
|||
#!/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)
|
||||
# Added SNMPv3 support (10/2003)
|
||||
#
|
||||
# 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: nagiosplug-help@lists.sourceforge.net
|
||||
#
|
||||
# 11.01.2000 Version 1.0
|
||||
# $Id: check_ifoperstatus.pl,v 1.6 2004/12/07 03:13:14 mattkent Exp $
|
||||
#
|
||||
# Patches from Guy Van Den Bergh to warn on ifadminstatus down interfaces
|
||||
# instead of critical.
|
||||
#
|
||||
# Primary MIB reference - RFC 2863
|
||||
|
||||
|
||||
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";
|
||||
sub print_help ();
|
||||
sub usage ();
|
||||
sub process_arguments ();
|
||||
|
||||
my $timeout;
|
||||
my $status;
|
||||
my %ifOperStatus = ('1','up',
|
||||
'2','down',
|
||||
'3','testing',
|
||||
'4','unknown',
|
||||
'5','dormant',
|
||||
'6','notPresent',
|
||||
'7','lowerLayerDown'); # down due to the state of lower layer interface(s)
|
||||
|
||||
my $state = "UNKNOWN";
|
||||
my $answer = "";
|
||||
my $snmpkey = 0;
|
||||
my $community = "public";
|
||||
my $maxmsgsize = 1472 ; # Net::SNMP default is 1472
|
||||
my ($seclevel, $authproto, $secname, $authpass, $privpass, $auth, $priv, $context);
|
||||
my $port = 161;
|
||||
my @snmpoids;
|
||||
my $sysUptime = '1.3.6.1.2.1.1.3.0';
|
||||
my $snmpIfDescr = '1.3.6.1.2.1.2.2.1.2';
|
||||
my $snmpIfAdminStatus = '1.3.6.1.2.1.2.2.1.7';
|
||||
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 $snmpIfLastChange = '1.3.6.1.2.1.2.2.1.9';
|
||||
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 $ifName;
|
||||
my $session;
|
||||
my $error;
|
||||
my $response;
|
||||
my $snmp_version = 1 ;
|
||||
my $ifXTable;
|
||||
my $opt_h ;
|
||||
my $opt_V ;
|
||||
my $ifdescr;
|
||||
my $key;
|
||||
my $lastc;
|
||||
my $dormantWarn;
|
||||
my $adminWarn;
|
||||
my $name;
|
||||
|
||||
### Validate Arguments
|
||||
|
||||
$status = process_arguments();
|
||||
|
||||
|
||||
# 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);
|
||||
|
||||
|
||||
## map ifdescr to ifindex - should look at being able to cache this value
|
||||
|
||||
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 ifdescr snmpkey - $status-$snmpkey\n";
|
||||
$session->close;
|
||||
exit $ERRORS{$state};
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
## Main function
|
||||
|
||||
$snmpIfAdminStatus = $snmpIfAdminStatus . "." . $snmpkey;
|
||||
$snmpIfOperStatus = $snmpIfOperStatus . "." . $snmpkey;
|
||||
$snmpIfDescr = $snmpIfDescr . "." . $snmpkey;
|
||||
$snmpIfName = $snmpIfName . "." . $snmpkey ;
|
||||
$snmpIfAlias = $snmpIfAlias . "." . $snmpkey ;
|
||||
|
||||
push(@snmpoids,$snmpIfAdminStatus);
|
||||
push(@snmpoids,$snmpIfOperStatus);
|
||||
push(@snmpoids,$snmpIfDescr);
|
||||
push(@snmpoids,$snmpIfName) if (defined $ifXTable) ;
|
||||
push(@snmpoids,$snmpIfAlias) if (defined $ifXTable) ;
|
||||
|
||||
if (!defined($response = $session->get_request(@snmpoids))) {
|
||||
$answer=$session->error;
|
||||
$session->close;
|
||||
$state = 'WARNING';
|
||||
print ("$state: SNMP error: $answer\n");
|
||||
exit $ERRORS{$state};
|
||||
}
|
||||
|
||||
$answer = sprintf("host '%s', %s(%s) is %s\n",
|
||||
$hostname,
|
||||
$response->{$snmpIfDescr},
|
||||
$snmpkey,
|
||||
$ifOperStatus{$response->{$snmpIfOperStatus}}
|
||||
);
|
||||
|
||||
|
||||
## Check to see if ifName match is requested and it matches - exit if no match
|
||||
## not the interface we want to monitor
|
||||
if ( defined $name && not ($response->{$snmpIfName} eq $name) ) {
|
||||
$state = 'UNKNOWN';
|
||||
$answer = "Interface name ($name) doesn't match snmp value ($response->{$snmpIfName}) (index $snmpkey)";
|
||||
print ("$state: $answer");
|
||||
exit $ERRORS{$state};
|
||||
}
|
||||
|
||||
## define the interface name
|
||||
if (defined $ifXTable) {
|
||||
$name = $response->{$snmpIfName} ." - " .$response->{$snmpIfAlias} ;
|
||||
}else{
|
||||
$name = $response->{$snmpIfDescr} ;
|
||||
}
|
||||
|
||||
## if AdminStatus is down - some one made a consious effort to change config
|
||||
##
|
||||
if ( not ($response->{$snmpIfAdminStatus} == 1) ) {
|
||||
$answer = "Interface $name (index $snmpkey) is administratively down.";
|
||||
if ( not defined $adminWarn or $adminWarn eq "w" ) {
|
||||
$state = 'WARNING';
|
||||
} elsif ( $adminWarn eq "i" ) {
|
||||
$state = 'OK';
|
||||
} elsif ( $adminWarn eq "c" ) {
|
||||
$state = 'CRITICAL';
|
||||
} else { # If wrong value for -a, say warning
|
||||
$state = 'WARNING';
|
||||
}
|
||||
}
|
||||
## Check operational status
|
||||
elsif ( $response->{$snmpIfOperStatus} == 2 ) {
|
||||
$state = 'CRITICAL';
|
||||
$answer = "Interface $name (index $snmpkey) is down.";
|
||||
} elsif ( $response->{$snmpIfOperStatus} == 5 ) {
|
||||
if (defined $dormantWarn ) {
|
||||
if ($dormantWarn eq "w") {
|
||||
$state = 'WARNING';
|
||||
$answer = "Interface $name (index $snmpkey) is dormant.";
|
||||
}elsif($dormantWarn eq "c") {
|
||||
$state = 'CRITICAL';
|
||||
$answer = "Interface $name (index $snmpkey) is dormant.";
|
||||
}elsif($dormantWarn eq "i") {
|
||||
$state = 'OK';
|
||||
$answer = "Interface $name (index $snmpkey) is dormant.";
|
||||
}
|
||||
}else{
|
||||
# dormant interface - but warning/critical/ignore not requested
|
||||
$state = 'CRITICAL';
|
||||
$answer = "Interface $name (index $snmpkey) is dormant.";
|
||||
}
|
||||
} elsif ( $response->{$snmpIfOperStatus} == 6 ) {
|
||||
$state = 'CRITICAL';
|
||||
$answer = "Interface $name (index $snmpkey) notPresent - possible hotswap in progress.";
|
||||
} elsif ( $response->{$snmpIfOperStatus} == 7 ) {
|
||||
$state = 'CRITICAL';
|
||||
$answer = "Interface $name (index $snmpkey) down due to lower layer being down.";
|
||||
|
||||
} elsif ( $response->{$snmpIfOperStatus} == 3 || $response->{$snmpIfOperStatus} == 4 ) {
|
||||
$state = 'CRITICAL';
|
||||
$answer = "Interface $name (index $snmpkey) down (testing/unknown).";
|
||||
|
||||
} else {
|
||||
$state = 'OK';
|
||||
$answer = "Interface $name (index $snmpkey) is up.";
|
||||
}
|
||||
|
||||
|
||||
|
||||
print ("$state: $answer");
|
||||
exit $ERRORS{$state};
|
||||
|
||||
|
||||
### subroutines
|
||||
|
||||
sub fetch_ifdescr {
|
||||
if (!defined ($response = $session->get_table($snmpIfDescr))) {
|
||||
$answer=$session->error;
|
||||
$session->close;
|
||||
$state = 'CRITICAL';
|
||||
printf ("$state: SNMP error with snmp version $snmp_version ($answer)\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 " -L (--seclevel) choice of \"noAuthNoPriv\", \"authNoPriv\", or \"authPriv\"\n";
|
||||
printf " -U (--secname) username for SNMPv3 context\n";
|
||||
printf " -c (--context) SNMPv3 context name (default is empty string)";
|
||||
printf " -A (--authpass) authentication password (cleartext ascii or localized key\n";
|
||||
printf " in hex with 0x prefix generated by using \"snmpkey\" utility\n";
|
||||
printf " auth password and authEngineID\n";
|
||||
printf " -a (--authproto) Authentication protocol ( MD5 or SHA1)\n";
|
||||
printf " -X (--privpass) privacy password (cleartext ascii or localized key\n";
|
||||
printf " in hex with 0x prefix generated by using \"snmpkey\" utility\n";
|
||||
printf " privacy password and authEngineID\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 " -n (--name) the value should match the returned ifName\n";
|
||||
printf " (Implies the use of -I)\n";
|
||||
printf " -w (--warn =i|w|c) ignore|warn|crit if the interface is dormant (default critical)\n";
|
||||
printf " -D (--admin-down =i|w|c) same for administratively down interfaces (default warning)\n";
|
||||
printf " -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
|
||||
printf " -t (--timeout) seconds before the plugin times out (default=$TIMEOUT)\n";
|
||||
printf " -V (--version) Plugin version\n";
|
||||
printf " -h (--help) usage help \n\n";
|
||||
printf " -k or -d must be specified\n\n";
|
||||
printf "Note: either -k or -d must be specified and -d is much more network \n";
|
||||
printf "intensive. Use it sparingly or not at all. -n is used to match against\n";
|
||||
printf "a much more descriptive ifName value in the IfXTable to verify that the\n";
|
||||
printf "snmpkey has not changed to some other network interface after a reboot.\n\n";
|
||||
print_revision($PROGNAME, '$Revision: 1.6 $');
|
||||
|
||||
}
|
||||
|
||||
sub process_arguments() {
|
||||
$status = GetOptions(
|
||||
"V" => \$opt_V, "version" => \$opt_V,
|
||||
"h" => \$opt_h, "help" => \$opt_h,
|
||||
"v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version,
|
||||
"C=s" => \$community, "community=s" => \$community,
|
||||
"L=s" => \$seclevel, "seclevel=s" => \$seclevel,
|
||||
"a=s" => \$authproto, "authproto=s" => \$authproto,
|
||||
"U=s" => \$secname, "secname=s" => \$secname,
|
||||
"A=s" => \$authpass, "authpass=s" => \$authpass,
|
||||
"X=s" => \$privpass, "privpass=s" => \$privpass,
|
||||
"c=s" => \$context, "context=s" => \$context,
|
||||
"k=i" => \$snmpkey, "key=i",\$snmpkey,
|
||||
"d=s" => \$ifdescr, "descr=s" => \$ifdescr,
|
||||
"l=s" => \$lastc, "lastchange=s" => \$lastc,
|
||||
"p=i" => \$port, "port=i" =>\$port,
|
||||
"H=s" => \$hostname, "hostname=s" => \$hostname,
|
||||
"I" => \$ifXTable, "ifmib" => \$ifXTable,
|
||||
"n=s" => \$ifName, "name=s" => \$ifName,
|
||||
"w=s" => \$dormantWarn, "warn=s" => \$dormantWarn,
|
||||
"D=s" => \$adminWarn, "admin-down=s" => \$adminWarn,
|
||||
"M=i" => \$maxmsgsize, "maxmsgsize=i" => \$maxmsgsize,
|
||||
"t=i" => \$timeout, "timeout=i" => \$timeout,
|
||||
);
|
||||
|
||||
|
||||
|
||||
if ($status == 0){
|
||||
print_help();
|
||||
exit $ERRORS{'OK'};
|
||||
}
|
||||
|
||||
if ($opt_V) {
|
||||
print_revision($PROGNAME,'$Revision: 1.6 $ ');
|
||||
exit $ERRORS{'OK'};
|
||||
}
|
||||
|
||||
if ($opt_h) {
|
||||
print_help();
|
||||
exit $ERRORS{'OK'};
|
||||
}
|
||||
|
||||
if (! utils::is_hostname($hostname)){
|
||||
usage();
|
||||
exit $ERRORS{"UNKNOWN"};
|
||||
}
|
||||
|
||||
|
||||
unless ($snmpkey > 0 || defined $ifdescr){
|
||||
printf "Either a valid snmpkey key (-k) or a ifDescr (-d) must be provided)\n";
|
||||
usage();
|
||||
exit $ERRORS{"UNKNOWN"};
|
||||
}
|
||||
|
||||
|
||||
if (defined $name) {
|
||||
$ifXTable=1;
|
||||
}
|
||||
|
||||
if (defined $dormantWarn) {
|
||||
unless ($dormantWarn =~ /^(w|c|i)$/ ) {
|
||||
printf "Dormant alerts must be one of w|c|i \n";
|
||||
exit $ERRORS{'UNKNOWN'};
|
||||
}
|
||||
}
|
||||
|
||||
unless (defined $timeout) {
|
||||
$timeout = $TIMEOUT;
|
||||
}
|
||||
|
||||
if ($snmp_version =~ /3/ ) {
|
||||
# Must define a security level even though default is noAuthNoPriv
|
||||
# v3 requires a security username
|
||||
if (defined $seclevel && defined $secname) {
|
||||
|
||||
# Must define a security level even though defualt is noAuthNoPriv
|
||||
unless ($seclevel eq ('noAuthNoPriv' || 'authNoPriv' || 'authPriv' ) ) {
|
||||
usage();
|
||||
exit $ERRORS{"UNKNOWN"};
|
||||
}
|
||||
|
||||
# Authentication wanted
|
||||
if ($seclevel eq ('authNoPriv' || 'authPriv') ) {
|
||||
|
||||
unless ($authproto eq ('MD5' || 'SHA1') ) {
|
||||
usage();
|
||||
exit $ERRORS{"UNKNOWN"};
|
||||
}
|
||||
|
||||
if ( !defined $authpass) {
|
||||
usage();
|
||||
exit $ERRORS{"UNKNOWN"};
|
||||
}else{
|
||||
if ($authpass =~ /^0x/ ) {
|
||||
$auth = "-authkey => $authpass" ;
|
||||
}else{
|
||||
$auth = "-authpassword => $authpass";
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
# Privacy (DES encryption) wanted
|
||||
if ($seclevel eq 'authPriv' ) {
|
||||
if (! defined $privpass) {
|
||||
usage();
|
||||
exit $ERRORS{"UNKNOWN"};
|
||||
}else{
|
||||
if ($privpass =~ /^0x/){
|
||||
$priv = "-privkey => $privpass";
|
||||
}else{
|
||||
$priv = "-privpassword => $privpass";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Context name defined or default
|
||||
|
||||
unless ( defined $context) {
|
||||
$context = "";
|
||||
}
|
||||
|
||||
|
||||
|
||||
}else {
|
||||
usage();
|
||||
exit $ERRORS{'UNKNOWN'}; ;
|
||||
}
|
||||
} # end snmpv3
|
||||
|
||||
|
||||
if ( $snmp_version =~ /[12]/ ) {
|
||||
($session, $error) = Net::SNMP->session(
|
||||
-hostname => $hostname,
|
||||
-community => $community,
|
||||
-port => $port,
|
||||
-version => $snmp_version,
|
||||
-maxmsgsize => $maxmsgsize
|
||||
);
|
||||
|
||||
if (!defined($session)) {
|
||||
$state='UNKNOWN';
|
||||
$answer=$error;
|
||||
print ("$state: $answer");
|
||||
exit $ERRORS{$state};
|
||||
}
|
||||
|
||||
}elsif ( $snmp_version =~ /3/ ) {
|
||||
|
||||
if ($seclevel eq 'noAuthNoPriv') {
|
||||
($session, $error) = Net::SNMP->session(
|
||||
-hostname => $hostname,
|
||||
-port => $port,
|
||||
-version => $snmp_version,
|
||||
-username => $secname,
|
||||
);
|
||||
|
||||
}elsif ( $seclevel eq 'authNoPriv' ) {
|
||||
($session, $error) = Net::SNMP->session(
|
||||
-hostname => $hostname,
|
||||
-port => $port,
|
||||
-version => $snmp_version,
|
||||
-username => $secname,
|
||||
$auth,
|
||||
-authprotocol => $authproto,
|
||||
);
|
||||
}elsif ($seclevel eq 'authPriv' ) {
|
||||
($session, $error) = Net::SNMP->session(
|
||||
-hostname => $hostname,
|
||||
-port => $port,
|
||||
-version => $snmp_version,
|
||||
-username => $secname,
|
||||
$auth,
|
||||
-authprotocol => $authproto,
|
||||
$priv
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
if (!defined($session)) {
|
||||
$state='UNKNOWN';
|
||||
$answer=$error;
|
||||
print ("$state: $answer");
|
||||
exit $ERRORS{$state};
|
||||
}
|
||||
|
||||
}else{
|
||||
$state='UNKNOWN';
|
||||
print ("$state: No support for SNMP v$snmp_version yet\n");
|
||||
exit $ERRORS{$state};
|
||||
}
|
||||
|
||||
}
|
||||
## End validation
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue