check_centreon_ping

check_centreon_ping

#! /usr/bin/perl -w
################################################################################
# Copyright 2004-2011 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# 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.
#
# 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, see <http://www.gnu.org/licenses>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an executable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting executable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms  and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
#
# SVN : $URL: http://svn.centreon.com/trunk/plugins-2.x/src/check_centreon_ping $
# SVN : $Id: check_centreon_ping 12606 2011-10-14 16:11:39Z shotamchay $
#
####################################################################################
#
# Plugin init
#

use strict;
use FindBin;
use lib "$FindBin::Bin";
use lib "/usr/lib/nagios/plugins";
use utils qw($TIMEOUT %ERRORS &print_revision &support);

if (eval "require centreon" ) {
        use centreon qw(get_parameters);
        use vars qw($VERSION %centreon);
        %centreon = get_parameters();
} else {
        print "Unable to load centreon perl module\n";
    exit $ERRORS{'UNKNOWN'};
}

use vars qw($PROGNAME);
use Getopt::Long;
use vars qw($opt_V $opt_h $opt_H $opt_D $opt_w $opt_c $opt_n $opt_f $opt_i $rta_critical $rta_warning $pl_critical $pl_warning $opt_s $opt_b);


#
# Plugin var init
#

my $ping = `whereis -b ping`;
$ping =~ /^.*:\s(.*)$/;
$ping = $1;

$PROGNAME = "$0";
sub print_help ();
sub print_usage ();

Getopt::Long::Configure('bundling');
GetOptions
    ("h" => \$opt_h,            "help" => \$opt_h,
     "V" => \$opt_V,            "version" => \$opt_V,
     "w=s" => \$opt_w,          "warning=s" => \$opt_w,
     "c=s" => \$opt_c,          "critical=s" => \$opt_c,
     "n=s" => \$opt_n,          "number=s" => \$opt_n,
     "H=s" => \$opt_H,          "hostname=s" => \$opt_H,
     "b=s" => \$opt_b,          "bindaddress=s" => \$opt_b,
     "i=s" => \$opt_i);

if ($opt_V) {
    print_revision($PROGNAME,'$Revision: 1.2 $');
    exit $ERRORS{'OK'};
}

if ($opt_h) {
    print_help();
    exit $ERRORS{'OK'};
}

$opt_H = shift unless ($opt_H);
(print_usage() && exit $ERRORS{'OK'}) unless ($opt_H);

($opt_c) || ($opt_c = shift) || ($opt_c = "500,40%");
if ($opt_c =~ /([0-9]+),([0-9]+)%/) {
    $rta_critical = $1;
    $pl_critical = $2;
}

($opt_w) || ($opt_w = shift) || ($opt_w = "200,20%");
if ($opt_w =~ /([0-9]+),([0-9]+)%/) {
    $rta_warning = $1;
    $pl_warning = $2;
}
if (!$rta_warning || !$rta_critical || !$pl_warning || !$pl_critical) {
    print "bad initialisation of Treshholds\n";
    exit $ERRORS{'OK'};
}

if ( ($rta_critical <= $rta_warning) || ($pl_critical <= $pl_warning) ) {
    print "critical must be superior to warning\n";
    exit $ERRORS{'OK'};
}

($opt_n) || ($opt_n = shift) || ($opt_n = 1);
my $NbPing;
if ($opt_n =~ /([0-9]+)/){
    $NbPing = $1;
} else{
    print "Unknown ping number\n";
    exit $ERRORS{'UNKNOWN'};
}

$opt_b = "-I $opt_b" if ($opt_b);

my $start=time;

#
# Plugin requests
#

$opt_i = 1 if (!defined($opt_i) || !$opt_i);

$_ = `$ping -n -c $NbPing -i $opt_i $opt_b $opt_H 2>/dev/null`;
my $return = $? / 256;

#
# Get Data From Ping Result
#

if (!$_) {
    print "no value returned by ping\n";
    exit $ERRORS{'UNKNOWN'};
}

my $ping_result = $_;
my @ping_result_array = split(/\n/,$ping_result);
my @ping_subresult1_array;
my @ping_subresult2_array;
my $rta = 0;
my $pl;
my $time_answer;

if( ( $return != 0 ) || $ping_result_array[@ping_result_array -2 ] =~ /100% packet loss/) {
    $rta = -1;
    $time_answer = 0;
} else {
    @ping_subresult1_array = split(/=/,$ping_result_array[@ping_result_array -1 ]);
    @ping_subresult2_array = split(/,/,$ping_result_array[@ping_result_array -2 ]);
    @ping_subresult1_array = split(/\//,$ping_subresult1_array[1]);
    @ping_subresult2_array = split(/ /,$ping_subresult2_array[2]);
    $rta = $ping_subresult1_array[1];
    $pl = $ping_subresult2_array[1];
    $time_answer = $ping_subresult1_array[1];
    $pl =~ /([0-9]+)\%/;
    $pl = $1;
}

#
# Plugin return code
#

my $result_str = "";

if( $rta == -1 ) {
    $ping_result_array[@ping_result_array - 2] =~ s/\%/percent/g;
        if (length($ping_result_array[@ping_result_array - 5]) && $ping_result_array[@ping_result_array - 5] !~ m/pipe/g) {
            print "PING CRITICAL - ".$ping_result_array[@ping_result_array - 5]."|time=0 ok=0\n";
        } elsif (length($ping_result_array[@ping_result_array - 1]) != 0 && $ping_result_array[@ping_result_array - 1] !~ m/pipe/g) {
            print "PING CRITICAL - ".$ping_result_array[@ping_result_array - 1]."|time=0 ok=0\n";
        } elsif (length($ping_result_array[@ping_result_array - 4]) && $ping_result_array[@ping_result_array - 4] !~ m/pipe/g) {
            print "PING CRITICAL - ".$ping_result_array[@ping_result_array - 4]."|time=0 ok=0\n";
        } elsif (length($ping_result_array[@ping_result_array - 1]) !~ m/pipe/g) {
            print "PING CRITICAL - ".$ping_result_array[@ping_result_array - 1]."|time=0 ok=0\n";
        } else {
            print "PING CRITICAL - ".$ping_result_array[@ping_result_array - 3]."|time=0 ok=0\n";
        }
    exit $ERRORS{'CRITICAL'};
} elsif ( ($pl >= $pl_critical) || ($rta >= $rta_critical) ) {
    $ping_result_array[@ping_result_array -1 ] =~ s/\%/percent/g;
    my @tab = split(/,/,$ping_result_array[@ping_result_array -1 ]);
    print "PING CRITICAL - ". $tab[0] ."|time=".$time_answer."ms;$rta_warning;$rta_critical;0; ok=1\n";
    exit $ERRORS{'CRITICAL'};
} elsif ( ($pl >= $pl_warning) || ($rta >= $rta_warning) ) {
    $ping_result_array[@ping_result_array -1 ] =~ s/\%/percent/g;
    my @tab = split(/,/,$ping_result_array[@ping_result_array -1 ]);
    print "PING WARNING - ".$tab[0]."|time=".$time_answer."ms;$rta_warning;$rta_critical;0; ok=1\n";
    exit $ERRORS{'WARNING'};
} else {
    $ping_result_array[@ping_result_array -1 ] =~ s/\%/percent/g;
    my @tab = split(/,/,$ping_result_array[@ping_result_array -1 ]);
    print "PING OK - ".$tab[0]."|time=".$time_answer."ms;$rta_warning;$rta_critical;0; ok=1\n";
    exit $ERRORS{'OK'};
}

sub print_usage () {
    print "Usage:\n";
    print "$PROGNAME\n";
    print "   -H (--hostname)   Hostname to query (Required)\n";
    print "   -w (--warning)    Threshold pair (Default: 200,20%)\n";
    print "   -c (--critical)   Threshold pair (Default: 500,40%)\n";
    print "   -n (--number)     Number of ICMP ECHO packets to send (Default: 1)\n";
    print "   -i                        Interval between ping (Default: 1s)\n";
    print "   -b (--bindaddress)        Bind address\n";
    print "   -V (--version)    Plugin version\n";
    print "   -h (--help)       Usage help\n";
}

sub print_help () {
    print "##############################################\n";
    print "#    Copyright (c) 2004-2011 Centreon        #\n";
    print "#    Bugs to http://forge.centreon.com/      #\n";
    print "##############################################\n";
    print_usage();
    print "\n";
}