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centreon-plugins/network/cisco/asa/mode/sessions.pm

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################################################################################
# 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 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
# Authors : Quentin Garnier <qgarnier@merethis.com>
#
####################################################################################
package network::cisco::asa::mode::sessions;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
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 =>
{
"warning-average:s" => { name => 'warning_average', default => '' },
"critical-average:s" => { name => 'critical_average', default => '' },
"warning-current:s" => { name => 'warning_current' },
"critical-current:s" => { name => 'critical_current' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
($self->{warn_avg1m}, $self->{warn_avg5m}) = split /,/, $self->{option_results}->{warning_average};
($self->{crit_avg1m}, $self->{crit_avg5m}) = split /,/, $self->{option_results}->{critical_average};
if (($self->{perfdata}->threshold_validate(label => 'warn_avg1m', value => $self->{warn_avg1m})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning average (1min) threshold '" . $self->{warn_avg1m} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warn_avg5m', value => $self->{warn_avg5m})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning average (5min) threshold '" . $self->{warn_avg5m} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'crit_avg1m', value => $self->{crit_avg1m})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical average (1min) threshold '" . $self->{crit_avg1m} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'crit_avg5m', value => $self->{crit_avg5m})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical average (5min) threshold '" . $self->{crit_avg5m} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning_current', value => $self->{option_results}->{warning_current})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning current threshold '" . $self->{option_results}->{warning_current} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical_current', value => $self->{option_results}->{critical_current})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical current threshold '" . $self->{option_results}->{critical_current} . "'.");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
# $options{snmp} = snmp object
$self->{snmp} = $options{snmp};
my $oid_cufwConnGlobalNumActive = '.1.3.6.1.4.1.9.9.491.1.1.1.6.0';
my $oid_cufwConnGlobalConnSetupRate1 = '.1.3.6.1.4.1.9.9.491.1.1.1.10.0';
my $oid_cufwConnGlobalConnSetupRate5 = '.1.3.6.1.4.1.9.9.491.1.1.1.11.0';
my $result = $self->{snmp}->get_leef(oids => [$oid_cufwConnGlobalNumActive, $oid_cufwConnGlobalConnSetupRate1,
$oid_cufwConnGlobalConnSetupRate5], nothing_quit => 1);
my $exit1 = $self->{perfdata}->threshold_check(value => $result->{$oid_cufwConnGlobalConnSetupRate1},
threshold => [ { label => 'crit_avg1m', 'exit_litteral' => 'critical' }, { label => 'warn_avg1m', exit_litteral => 'warning' } ]);
my $exit2 = $self->{perfdata}->threshold_check(value => $result->{$oid_cufwConnGlobalConnSetupRate5},
threshold => [ { label => 'crit_avg5m', 'exit_litteral' => 'critical' }, { label => 'warn_avg5m', exit_litteral => 'warning' } ]);
my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Average Connections per seconds: %d (last 1min), %d (last 5min)",
$result->{$oid_cufwConnGlobalConnSetupRate1}, $result->{$oid_cufwConnGlobalConnSetupRate5}));
$exit = $self->{perfdata}->threshold_check(value => $result->{$oid_cufwConnGlobalNumActive},
threshold => [ { label => 'critical_current', 'exit_litteral' => 'critical' }, { label => 'warning_current', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Current active connections: %d",
$result->{$oid_cufwConnGlobalNumActive}));
$self->{output}->perfdata_add(label => "connections_1m", unit => 'con/s',
value => $result->{$oid_cufwConnGlobalConnSetupRate1},
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn_avg1m'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit_avg1m'),
min => 0);
$self->{output}->perfdata_add(label => "connections_5m", unit => 'con/s',
value => $result->{$oid_cufwConnGlobalConnSetupRate1},
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn_avg1m'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit_avg1m'),
min => 0);
$self->{output}->perfdata_add(label => "connections_current",
value => $result->{$oid_cufwConnGlobalNumActive},
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning_current'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical_current'),
min => 0);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check current/average connections on Cisco ASA (CISCO-UNIFIED-FIREWALL-MIB).
=over 8
=item B<--warning-average>
Threshold warning: averaged number of connections which the firewall establishing per second (1min,5min).
=item B<--critical-average>
Threshold critical: averaged number of connections which the firewall establishing per second (1min,5min).
=item B<--warning-current>
Threshold warning: number of connections which are currently active.
=item B<--critical-current>
Threshold critical: number of connections which are currently active.
=back
=cut
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