centreon-plugins/apps/apache/serverstatus/mode/requests.pm

################################################################################
## Copyright 2005-2013 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 timeelapsedutable, 
## regardless of the license terms of these independent modules, and to copy and 
## distribute the resulting timeelapsedutable 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
## Author : Simon BOMM <sbomm@merethis.com>
##
## Based on De Bodt Lieven plugin
#####################################################################################

package apps::apache::serverstatus::mode::requests;

use base qw(centreon::plugins::mode);

use strict;
use warnings;
use LWP::UserAgent;

sub new {
    my ($class, %options) = @_;
    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
    bless $self, $class;

    $self->{version} = '1.0';
    $options{options}->add_options(arguments =>
            {
            "hostname:s"        => { name => 'hostname' },
            "port:i"    => { name => 'port' },
            "proto:s"    => { name => 'proto', default => "http" },
            "proxyurl:s"    => { name => 'proxyurl' },
            "warning:s"    => { name => 'warning' },
            "critical:s"    => { name => 'critical' },
            "warning-bytes:s"    => { name => 'warning_bytes' },
            "critical-bytes:s"    => { name => 'critical_bytes' },
            "timeout:i"        => { name => 'timeout', default => '3' },
            });
    return $self;
}

sub check_options {

    my ($self, %options) = @_;
    $self->SUPER::init(%options);

    if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{warning} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{critical} . "'.");
        $self->{output}->option_exit();
    }
    if (!defined($self->{option_results}->{hostname})) {
	$self->{output}->add_option_msg(short_msg => "Please set the hostname option");
        $self->{output}->option_exit();
    }
}

sub run {

    my ($self, %options) = @_;
    my $ua = LWP::UserAgent->new( protocols_allowed => ['http','https'], timeout => $self->{option_results}->{timeout});
    
    my $response = '';
    
    if ($self->{option_results}->{proto} eq "https") {
        if (defined $self->{option_results}->{proxyurl}) {
            $ua->proxy(['https'], $self->{option_results}->{proxyurl});
        }
        if (!defined $self->{option_results}->{port}) {
            $response = $ua->get($self->{option_results}->{proto}."://" .$self->{option_results}->{hostname}.'/server-status');
        } else  {
                $response = $ua->get('https://'.$self->{option_results}->{hostname}.':'.$self->{option_results}->{port}.'/server-status');
        }    
        
    } else {
        if (defined $self->{option_results}->{proxyurl}) {
            $ua->proxy(['http'], $self->{option_results}->{proxyurl});
        }
        if (!defined $self->{option_results}->{port}) {
            $response = $ua->get($self->{option_results}->{proto}."://" .$self->{option_results}->{hostname}.'/server-status');
        } else  {
            $response = $ua->get('http://'.$self->{option_results}->{hostname}.':'.$self->{option_results}->{port}.'/server-status');
        }
    }

    if ($response->is_success) {

        my $webcontent=$response->content;
        my @webcontentarr = split("\n", $webcontent);
        my $i = 0;
        my $rPerSec=undef;
        my $rPerSecSfx=undef;
        my $bPerSec=undef;
        my $bPerSecSfx=undef;
        my $bPerReq=undef;
        my $bPerReqSfx=undef;
        while (($i < @webcontentarr) && ((!defined($rPerSec)) || (!defined($bPerSec)) || (!defined($bPerReq)))) {
            if ($webcontentarr[$i] =~ /([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/sec\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/second\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/request/) {
                ($rPerSec, $rPerSecSfx, $bPerSec, $bPerSecSfx, $bPerReq, $bPerReqSfx) = ($webcontentarr[$i] =~ /([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/sec\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/second\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/request/);
            }
        $i++;
        }
	
        my $exit1 = $self->{perfdata}->threshold_check(value => $rPerSec, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
        my $exit2 = $self->{perfdata}->threshold_check(value => $bPerReq, threshold => [ { label => 'critical-bytes', 'exit_litteral' => 'critical' }, { label => 'warning-bytes', exit_litteral => 'warning' } ]);

	my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);

        $self->{output}->output_add(severity => $exit,
                short_msg => sprintf("RequestPerSec: %f  BytesPerSecond: %d BytesPerRequest: %d", $rPerSec, $bPerSec, $bPerReq));
        $self->{output}->perfdata_add(label => "requestPerSec",
                value => $rPerSec,
                unit => $rPerSecSfx,
                warning => $self->{option_results}->{warning},
                critical => $self->{option_results}->{critical});
        $self->{output}->perfdata_add(label => "bytesPerSec",
                value => $bPerSec,
                unit => $bPerSecSfx);
        $self->{output}->perfdata_add(label => "bytesPerRequest",
                value => $bPerReq,
                warning => $self->{option_results}->{warning_bytes},
                critical => $self->{option_results}->{critical_bytes},
                unit => $bPerReqSfx);
    
    } else {
        $self->{output}->output_add(severity => 'UNKNOWN',
                short_msg => $response->status_line);
    }

    $self->{output}->display();
    $self->{output}->exit();

}

1;


__END__

=head1 MODE

Check Apache WebServer Request statistics

=over 8

=item B<--hostname>

IP Addr/FQDN of the webserver host

=item B<--port>

Port used by Apache

=item B<--proxyurl>

Proxy URL if any

=item B<--proto>

Specify https if needed

=item B<--timeout>

Threshold for HTTP timeout

=item B<--warning>

Warning Threshold for Request per seconds

=item B<--critical>

Critical Threshold for Request per seconds

=item B<--warningbytes>

Warning Threshold for Bytes Per Request

=item B<--criticalbytes>

Critical Threshold for Bytes Per Request

=back

=cut