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authorEUcancER <root@euer.krebsco.de>2012-10-05 10:46:47 +0200
committerEUcancER <root@euer.krebsco.de>2012-10-05 10:46:47 +0200
commitc5fcba52713424c1653b802b4090bb182782362d (patch)
tree1cce378e27e4a5672672185f5c93ee2a25a1c224 /Monitoring/nagios/plugins/check_ifstatus
parent07939d80687399a8ad2fff0242b708013018cc14 (diff)
parent6c89839b7fc344608e61c8916ac9d9925fa98d14 (diff)
Merge branch 'master' of github.com:krebscode/painload
Diffstat (limited to 'Monitoring/nagios/plugins/check_ifstatus')
-rwxr-xr-xMonitoring/nagios/plugins/check_ifstatus425
1 files changed, 425 insertions, 0 deletions
diff --git a/Monitoring/nagios/plugins/check_ifstatus b/Monitoring/nagios/plugins/check_ifstatus
new file mode 100755
index 00000000..b977675e
--- /dev/null
+++ b/Monitoring/nagios/plugins/check_ifstatus
@@ -0,0 +1,425 @@
+#! /usr/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)
+# Added -x option (4/2003)
+# Added -u option (4/2003)
+# Added -M option (10/2003)
+# 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: ck@zet.net, nagiosplug-help@lists.sf.net
+#
+# 11.01.2000 Version 1.0
+#
+
+use POSIX;
+use strict;
+use lib "/usr/lib/nagios/plugins" ;
+use utils qw($TIMEOUT %ERRORS &print_revision &support);
+
+use Net::SNMP;
+use Getopt::Long;
+Getopt::Long::Configure('bundling');
+
+my $PROGNAME = "check_ifstatus";
+
+sub print_help ();
+sub usage ($);
+sub print_usage ();
+sub process_arguments ();
+
+
+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 $timeout ;
+my $state = "UNKNOWN";
+my $answer = "";
+my $snmpkey=0;
+my $snmpoid=0;
+my $key=0;
+my $community = "public";
+my $maxmsgsize = 1472 ; # Net::SNMP default is 1472
+my ($seclevel, $authproto, $secname, $authpass, $privpass, $privproto, $auth, $priv, $context);
+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 $snmpIfType = '1.3.6.1.2.1.2.2.1.3';
+my $hostname;
+my $session;
+my $error;
+my $response;
+my %ifStatus;
+my $ifup =0 ;
+my $ifdown =0;
+my $ifdormant = 0;
+my $ifexclude = 0 ;
+my $ifunused = 0;
+my $ifmessage = "";
+my $snmp_version = 1;
+my $ifXTable;
+my $opt_h ;
+my $opt_V ;
+my $opt_u;
+my $opt_x ;
+my %excluded ;
+my @unused_ports ;
+my %session_opts;
+
+
+
+
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+ print ("ERROR: No snmp response from $hostname (alarm timeout)\n");
+ exit $ERRORS{"UNKNOWN"};
+};
+
+
+#Option checking
+$status = process_arguments();
+
+if ($status != 0)
+{
+ print_help() ;
+ exit $ERRORS{'OK'};
+}
+
+
+alarm($timeout);
+($session, $error) = Net::SNMP->session(%session_opts);
+
+if (!defined($session)) {
+ $state='UNKNOWN';
+ $answer=$error;
+ print ("$state: $answer\n");
+ exit $ERRORS{$state};
+}
+
+
+push(@snmpoids,$snmpIfOperStatus);
+push(@snmpoids,$snmpIfAdminStatus);
+push(@snmpoids,$snmpIfDescr);
+push(@snmpoids,$snmpIfType);
+push(@snmpoids,$snmpIfName) if ( defined $ifXTable);
+push(@snmpoids,$snmpIfAlias) if ( defined $ifXTable);
+
+
+
+
+foreach $snmpoid (@snmpoids) {
+
+ if (!defined($response = $session->get_table($snmpoid))) {
+ $answer=$session->error;
+ $session->close;
+ $state = 'CRITICAL';
+ if ( ( $snmpoid =~ $snmpIfName ) && defined $ifXTable ) {
+ print ("$state: Device does not support ifTable - try without -I option\n");
+ }else{
+ 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;
+
+alarm(0);
+
+foreach $key (keys %ifStatus) {
+
+ # skip unused interfaces
+ if (!defined($ifStatus{$key}{'notInUse'})) {
+ # check only if interface is administratively up
+ if ($ifStatus{$key}{$snmpIfAdminStatus} == 1 ) {
+
+ # check only if interface type is not listed in %excluded
+ if (!defined $excluded{$ifStatus{$key}{$snmpIfType}} ) {
+ if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;}
+ if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) {
+ $ifdown++ ;
+ if (defined $ifXTable) {
+ $ifmessage .= sprintf("%s: down -> %s<BR>",
+ $ifStatus{$key}{$snmpIfName},
+ $ifStatus{$key}{$snmpIfAlias});
+ }else{
+ $ifmessage .= sprintf("%s: down <BR>",
+ $ifStatus{$key}{$snmpIfDescr});
+ }
+ }
+ if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;}
+ }else{
+ $ifexclude++;
+ }
+
+ }
+ }else{
+ $ifunused++;
+ }
+}
+
+ if ($ifdown > 0) {
+ $state = 'CRITICAL';
+ $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d, excluded: %d, unused: %d<BR>",
+ $hostname,
+ $ifup,
+ $ifdown,
+ $ifdormant,
+ $ifexclude,
+ $ifunused);
+ $answer = $answer . $ifmessage . "\n";
+ }
+ else {
+ $state = 'OK';
+ $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d, excluded: %d, unused: %d",
+ $hostname,
+ $ifup,
+ $ifdown,
+ $ifdormant,
+ $ifexclude,
+ $ifunused);
+ }
+my $perfdata = sprintf("up=%d,down=%d,dormant=%d,excluded=%d,unused=%d",$ifup,$ifdown,$ifdormant,$ifexclude,$ifunused);
+print ("$state: $answer |$perfdata\n");
+exit $ERRORS{$state};
+
+sub usage($) {
+ print "$_[0]\n";
+ print_usage();
+ exit $ERRORS{"UNKNOWN"};
+}
+
+sub print_usage() {
+ printf "\n";
+ printf "usage: \n";
+ printf "check_ifstatus -C <READCOMMUNITY> -p <PORT> -H <HOSTNAME>\n";
+ printf "Copyright (C) 2000 Christoph Kron\n";
+ printf "Updates 5/2002 Subhendu Ghosh\n";
+ support();
+ printf "\n\n";
+}
+
+sub print_help() {
+ print_revision($PROGNAME, '1.4.15');
+ print_usage();
+ 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 " 3 for SNMPv3 (requires -U option)";
+ printf " -p (--port) SNMP port (default 161)\n";
+ printf " -I (--ifmib) Agent supports IFMIB ifXTable. For Cisco - this will provide\n";
+ printf " the descriptive name. Do not use if you don't know what this is. \n";
+ printf " -x (--exclude) A comma separated list of ifType values that should be excluded \n";
+ printf " from the report (default for an empty list is PPP(23).\n";
+ printf " -u (--unused_ports) A comma separated list of ifIndex values that should be excluded \n";
+ printf " from the report (default is an empty exclusion list).\n";
+ printf " See the IANAifType-MIB for a list of interface types.\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)\n";
+ 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 " -P (--privproto) privacy protocol (DES or AES; default: DES)\n";
+ printf " -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
+ printf " -t (--timeout) seconds before the plugin times out (default=$TIMEOUT)\n";
+ printf " -V (--version) Plugin version\n";
+ printf " -h (--help) usage help \n\n";
+ print_revision($PROGNAME, '1.4.15');
+
+}
+
+sub process_arguments() {
+ $status = GetOptions(
+ "V" => \$opt_V, "version" => \$opt_V,
+ "h" => \$opt_h, "help" => \$opt_h,
+ "v=s" => \$snmp_version, "snmp_version=s" => \$snmp_version,
+ "C=s" => \$community,"community=s" => \$community,
+ "L=s" => \$seclevel, "seclevel=s" => \$seclevel,
+ "a=s" => \$authproto, "authproto=s" => \$authproto,
+ "U=s" => \$secname, "secname=s" => \$secname,
+ "A=s" => \$authpass, "authpass=s" => \$authpass,
+ "X=s" => \$privpass, "privpass=s" => \$privpass,
+ "P=s" => \$privproto, "privproto=s" => \$privproto,
+ "c=s" => \$context, "context=s" => \$context,
+ "p=i" =>\$port, "port=i" => \$port,
+ "H=s" => \$hostname, "hostname=s" => \$hostname,
+ "I" => \$ifXTable, "ifmib" => \$ifXTable,
+ "x:s" => \$opt_x, "exclude:s" => \$opt_x,
+ "u=s" => \$opt_u, "unused_ports=s" => \$opt_u,
+ "M=i" => \$maxmsgsize, "maxmsgsize=i" => \$maxmsgsize,
+ "t=i" => \$timeout, "timeout=i" => \$timeout,
+ );
+
+ if ($status == 0){
+ print_help();
+ exit $ERRORS{'OK'};
+ }
+
+ if ($opt_V) {
+ print_revision($PROGNAME,'1.4.15');
+ exit $ERRORS{'OK'};
+ }
+
+ if ($opt_h) {
+ print_help();
+ exit $ERRORS{'OK'};
+ }
+
+ unless (defined $timeout) {
+ $timeout = $TIMEOUT;
+ }
+
+ # Net::SNMP wants an integer
+ $snmp_version = 2 if $snmp_version eq "2c";
+
+ if ($snmp_version !~ /^[123]$/){
+ $state='UNKNOWN';
+ print ("$state: No support for SNMP v$snmp_version yet\n");
+ exit $ERRORS{$state};
+ }
+
+ %session_opts = (
+ -hostname => $hostname,
+ -port => $port,
+ -version => $snmp_version,
+ -maxmsgsize => $maxmsgsize
+ );
+
+ $session_opts{'-community'} = $community if (defined $community && $snmp_version =~ /[12]/);
+
+ if ($snmp_version =~ /3/ ) {
+ # Must define a security level even though default is noAuthNoPriv
+ # v3 requires a security username
+ if (defined $seclevel && defined $secname) {
+ $session_opts{'-username'} = $secname;
+
+ # Must define a security level even though defualt is noAuthNoPriv
+ unless ( grep /^$seclevel$/, qw(noAuthNoPriv authNoPriv authPriv) ) {
+ usage("Must define a valid security level even though default is noAuthNoPriv");
+ }
+
+ # Authentication wanted
+ if ( $seclevel eq 'authNoPriv' || $seclevel eq 'authPriv' ) {
+ if (defined $authproto && $authproto ne 'MD5' && $authproto ne 'SHA1') {
+ usage("Auth protocol can be either MD5 or SHA1");
+ }
+ $session_opts{'-authprotocol'} = $authproto if(defined $authproto);
+
+ if ( !defined $authpass) {
+ usage("Auth password/key is not defined");
+ }else{
+ if ($authpass =~ /^0x/ ) {
+ $session_opts{'-authkey'} = $authpass ;
+ }else{
+ $session_opts{'-authpassword'} = $authpass ;
+ }
+ }
+ }
+
+ # Privacy (DES encryption) wanted
+ if ($seclevel eq 'authPriv' ) {
+ if (! defined $privpass) {
+ usage("Privacy passphrase/key is not defined");
+ }else{
+ if ($privpass =~ /^0x/){
+ $session_opts{'-privkey'} = $privpass;
+ }else{
+ $session_opts{'-privpassword'} = $privpass;
+ }
+ }
+
+ $session_opts{'-privprotocol'} = $privproto if(defined $privproto);
+ }
+
+ # Context name defined or default
+ unless ( defined $context) {
+ $context = "";
+ }
+
+ }else {
+ usage("Security level or name is not defined");
+ }
+ } # end snmpv3
+
+ # Excluded interfaces types (ifType) (backup interfaces, dial-on demand interfaces, PPP interfaces
+ if (defined $opt_x) {
+ my @x = split(/,/, $opt_x);
+ if ( @x) {
+ foreach $key (@x){
+ $excluded{$key} = 1;
+ }
+ }else{
+ $excluded{23} = 1; # default PPP(23) if empty list - note (AIX seems to think PPP is 22 according to a post)
+ }
+ }
+
+ # Excluded interface ports (ifIndex) - management reasons
+ if ($opt_u) {
+ @unused_ports = split(/,/,$opt_u);
+ foreach $key (@unused_ports) {
+ $ifStatus{$key}{'notInUse'}++ ;
+ }
+ }
+
+ if (! utils::is_hostname($hostname)){
+ usage("Hostname invalid or not given");
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+
+ if ($snmp_version !~ /[123]/) {
+ $state='UNKNOWN';
+ print ("$state: No support for SNMP v$snmp_version yet\n");
+ exit $ERRORS{$state};
+ }
+
+return $ERRORS{"OK"};
+}