centreon-plugins/snmp_standard/mode/cpu.pm

133 lines
5.1 KiB
Perl

################################################################################
# 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 snmp_standard::mode::cpu;
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:s" => { name => 'warning', },
"critical:s" => { name => 'critical', },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
# $options{snmp} = snmp object
$self->{snmp} = $options{snmp};
my $oid_cputable = '.1.3.6.1.2.1.25.3.3.1.2';
my $result = $self->{snmp}->get_table(oid => $oid_cputable, nothing_quit => 1);
my $cpu = 0;
my $i = 0;
foreach my $key ($self->{snmp}->oid_lex_sort(keys %$result)) {
$key =~ /\.([0-9]+)$/;
my $cpu_num = $1;
$cpu += $result->{$key};
$self->{output}->output_add(long_msg => sprintf("CPU $i Usage is %.2f%%", $result->{$key}));
$self->{output}->perfdata_add(label => 'cpu' . $i, unit => '%',
value => sprintf("%.2f", $result->{$key}),
min => 0, max => 100);
$i++;
}
my $avg_cpu = $cpu / $i;
my $exit_code = $self->{perfdata}->threshold_check(value => $avg_cpu,
threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit_code,
short_msg => sprintf("CPU(s) average usage is: %.2f%%", $avg_cpu));
$self->{output}->perfdata_add(label => 'total_cpu_avg', unit => '%',
value => sprintf("%.2f", $avg_cpu),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0, max => 100);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check system CPUs (HOST-RESOURCES-MIB)
(The average, over the last minute, of the percentage
of time that this processor was not idle)
=over 8
=item B<--warning>
Threshold warning in percent.
=item B<--critical>
Threshold critical in percent.
=back
=cut