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check_usbtlight.pl
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check_usbtlight.pl
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#! /usr/bin/perl -w
#
# tlight.pl - nagios addon
# modified version for Allnet 300RF (the wireless version)
#
# Copyright (C) 2004, 2005 Gerd Mueller / Netways GmbH
# Modified for USB traffic light by Birger Schmidt / Netways GmbH
# Modified for HTTPS and clewarecontrol 2.5 support by Rene Koch / ovido gmbh
#
# 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.
#
#
use POSIX;
use strict;
use Getopt::Long;
use LWP::UserAgent;
use Data::Dumper;
use File::Basename;
use Time::HiRes qw/usleep/;
&Getopt::Long::config('bundling');
my %COLOURS = ( 'green' => 2, 'yellow' => 1, 'red' => 0 );
my %COLOURSREV = reverse %COLOURS;
my %STATES = ( 'on' => 1, 'off' => 0 );
my $PROGNAME = basename($0);
my $opt_url;
my $opt_user;
my $opt_passwd;
my $opt_all;
my $opt_hostgroup;
my $opt_servicegroup;
my $opt_h;
my $status;
my $debug = undef;
my $force = 1;
$status = GetOptions(
"a" => \$opt_all,
"all" => \$opt_all,
"url=s" => \$opt_url,
"hostgroup=s" => \$opt_hostgroup,
"servicegroup=s" => \$opt_servicegroup,
"help|h" => \$opt_h,
"user=s" => \$opt_user,
"passwd=s" => \$opt_passwd,
"debug" => \$debug,
# "force" => \$force,
);
if ( $opt_h || $status == 0 || !$opt_url ) {
print_help();
exit 0;
}
my $device = find_light();
my $ua = new LWP::UserAgent;
$ua->agent( "TLightW-Agent/0.1 " . $ua->agent );
if (LWP::UserAgent->VERSION >= 6.0){
$ua->ssl_opts(verify_hostname => 0, SSL_verify_mode => 0x00); # disable SSL cert verification
}
my $url = $opt_url . "/cgi-bin/status.cgi?host=all&type=detail&servicestatustypes=20&serviceprops=42&noheader=1&embedded=1";
$url .= "&hostgroup=" . $opt_hostgroup."&style=all"
if ( $opt_hostgroup
&& $opt_hostgroup ne ""
&& $opt_hostgroup ne "--servicegroup" );
$url .= "&servicegroup=" . $opt_servicegroup
if ( $opt_servicegroup && $opt_servicegroup ne "" );
my $req = new HTTP::Request GET => $url;
if ($opt_user){
$req->authorization_basic($opt_user,$opt_passwd);
}
my $res = $ua->request($req);
if ( $res->is_success ) {
my $content = $res->content;
my $status = 'green';
my $matches;
my @lines;
@lines = split( /\n/, $content );
my $device_status = 'green';
foreach (@lines) {
if ( /<\/TR><\/TABLE><\/TD>/ ... /<\/TR>/ ) {
$device_status = 'green' if (/<\/TR><\/TABLE><\/TD>/);
$device_status = 'yellow' if (m/statusWARNING/);
$device_status = 'red' if (m/statusCRITICAL/);
# Only Hardstate are interesting
if (m/>([0-9]+)\/([0-9]+)<\/TD>/) {
$device_status = 'green' if ( $1 ne $2 );
}
if (/<\/TR>/) {
$status = $device_status if ( $device_status eq 'red' );
$status = $device_status
if ( $device_status eq 'yellow' and $status eq 'green' );
}
}
}
$status = 'red' if ( $content =~ m/statusHOSTDOWN/ );
my $perfdata = "|green=";
if ( $status eq "green" ) {
$perfdata .= "1";
}
else {
$perfdata .= "0";
}
$perfdata .= " yellow=";
if ( $status eq "yellow" ) {
$perfdata .= "1";
}
else {
$perfdata .= "0";
}
$perfdata .= " red=";
if ( $status eq "red" ) {
$perfdata .= "1";
}
else {
$perfdata .= "0";
}
my $bulb = $COLOURS{$status};
# switch bulb
switch_bulb( $bulb, $device );
print "OK - Status \"" . $status . "\"." . $perfdata . "\n";
}
else {
print
"Cannot reach nagios webinterface. Please check url, user and password.| green=0 yellow=0 red=1\n\n";
exit 2; # CRITICAL;
}
sub print_help {
printf "\nusage: \n";
printf
"$PROGNAME --url <url> [--user <user>] [--passwd <passwd>] [--hostgroup <hostgroup>] [--servicegroup <servicegroup>] \n\n";
printf " --url url to nagios\n";
printf " --user nagios user for the webinterface\n";
printf " --passwd password for the nagios user\n";
printf " --hostgroup nagios hostgroup\n";
printf " --servicegroup nagios servicegroup\n";
printf " --debug show debugging\n";
# printf " --force ignore current state of bulbs and force on/off (may cause flickering)\n";
printf "\n";
printf "Requires clewarecontrol v2.5 from http://www.vanheusden.com/clewarecontrol\n";
printf "DO NOT USE Version 1.0 (it's too slow!)\n";
printf "Copyright (C) 2004, 2005 Gerd Mueller / Netways GmbH\n";
printf "Modified for USB traffic light by Birger Schmidt / Netways GmbH\n";
printf "Modified again by Davey Jones / Netways GmbH\n";
printf "Modified for HTTPS and clewarecontrol 2.5 support by Rene Koch / ovido gmbh\n";
printf "$PROGNAME comes with ABSOLUTELY NO WARRANTY\n";
printf "This program is licensed under the terms of the ";
printf "GNU General Public License\n(check source code for details)\n";
printf "\n\n";
exit 0;
}
sub switch_bulb {
# avoid flicker by only switching when we change state
my ($colour, $device) = @_;
my $sysoutput = "ERROR clewarecontrol not found";
# go through each bulb
# red=0, yellow=1, green=2
for ( my $i=0; $i < 3; $i++ )
{
$sysoutput = `clewarecontrol -c 1 -d $device -rs $i 2>&1`;
chomp($sysoutput);
print $COLOURSREV{$i}." is $sysoutput\n" if (defined($debug));
if ((($sysoutput eq 'On') or $force) and ($i != $colour))
{
# switch off
print "Switching ".$COLOURSREV{$i}." off\n" if (defined($debug));
$sysoutput = `clewarecontrol -c 1 -d $device -as $i 0 2>&1`;
}
elsif ((($sysoutput eq 'Off') or $force) and ($i == $colour))
{
# switch on
print "Switching ".$COLOURSREV{$i}." on\n" if (defined($debug));
$sysoutput = `clewarecontrol -c 1 -d $device -as $i 1 2>&1`;
}
}
}
sub find_light
{
my $sysoutput = "";
$sysoutput = `clewarecontrol -l`;
if (!defined($sysoutput))
{
print "ERROR clewarecontrol not found\n";
exit 2;
}
$sysoutput =~ s/.*.*Switch1.*serial number: ([0-9]*).*/$1/s;
print "serial $sysoutput\n" if (defined($debug));
return $sysoutput unless (!defined($sysoutput) or $sysoutput eq '');
print "USB Light not found\n";
exit 2;
}