add cpu mode

This commit is contained in:
Shini31 2015-07-22 17:48:45 +02:00
parent 7569d802d5
commit 560f4e1302
1 changed files with 268 additions and 0 deletions

268
apps/docker/mode/cpu.pm Normal file
View File

@ -0,0 +1,268 @@
###############################################################################
# Copyright 2005-2015 CENTREON
# 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 CENTREON
# 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 CENTREON choice, provided that
# CENTREON 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 : Mathieu Cinquin <mcinquin@centreon.com>
#
####################################################################################
package apps::docker::mode::cpu;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::httplib;
use centreon::plugins::statefile;
use JSON;
use Data::Dumper;
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:s" => { name => 'port', default => '2376'},
"proto:s" => { name => 'proto', default => 'https' },
"urlpath:s" => { name => 'url_path', default => '/' },
"name:s" => { name => 'name' },
"id:s" => { name => 'id' },
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"ssl:s" => { name => 'ssl', },
"cert-file:s" => { name => 'cert_file' },
"key-file:s" => { name => 'key_file' },
"cacert-file:s" => { name => 'cacert_file' },
"timeout:s" => { name => 'timeout', default => '3' },
});
$self->{statefile_value} = centreon::plugins::statefile->new(%options);
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (!defined($self->{option_results}->{hostname})) {
$self->{output}->add_option_msg(short_msg => "Please set the hostname option");
$self->{output}->option_exit();
}
if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
$self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
$self->{output}->option_exit();
}
if ((defined($self->{option_results}->{name})) && (defined($self->{option_results}->{id}))) {
$self->{output}->add_option_msg(short_msg => "Please set the name or id option");
$self->{output}->option_exit();
}
if ((!defined($self->{option_results}->{name})) && (!defined($self->{option_results}->{id}))) {
$self->{output}->add_option_msg(short_msg => "Please set the name or id option");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong 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();
}
$self->{statefile_value}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
my $jsoncontent;
my $query_form_get = { stream => 'false' };
if (defined($self->{option_results}->{id})) {
$self->{option_results}->{url_path} = "/containers/".$self->{option_results}->{id}."/stats";
$jsoncontent = centreon::plugins::httplib::connect($self, query_form_get => $query_form_get, connection_exit => 'critical');
$self->{statefile_value}->read(statefile => 'docker_' . $self->{option_results}->{id} . '_' . centreon::plugins::httplib::get_port($self) . '_' . $self->{mode});
} elsif (defined($self->{option_results}->{name})) {
$self->{option_results}->{url_path} = "/containers/".$self->{option_results}->{name}."/stats";
$jsoncontent = centreon::plugins::httplib::connect($self, query_form_get => $query_form_get, connection_exit => 'critical');
$self->{statefile_value}->read(statefile => 'docker_' . $self->{option_results}->{name} . '_' . centreon::plugins::httplib::get_port($self) . '_' . $self->{mode});
}
my $json = JSON->new;
my $webcontent;
eval {
$webcontent = $json->decode($jsoncontent);
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
my $cpu_totalusage = $webcontent->{cpu_stats}->{cpu_usage}->{total_usage};
my $cpu_systemusage = $webcontent->{cpu_stats}->{system_cpu_usage};
my @cpu_number = @{$webcontent->{cpu_stats}->{cpu_usage}->{percpu_usage}};
my $new_datas = {};
my $buffer_creation = 0;
$new_datas->{cpu_totalusage} = $cpu_totalusage;
$new_datas->{cpu_systemusage} = $cpu_systemusage;
my $old_cpu_totalusage = $self->{statefile_value}->get(name => 'cpu_totalusage');
my $old_cpu_systemusage = $self->{statefile_value}->get(name => 'cpu_systemusage');
if ($new_datas->{cpu_totalusage} < $old_cpu_totalusage) {
# We set 0. Has reboot.
$old_cpu_totalusage = 0;
}
if ($new_datas->{cpu_systemusage} < $old_cpu_systemusage) {
# We set 0. Has reboot.
$old_cpu_systemusage = 0;
}
my $delta_totalusage = $cpu_totalusage - $old_cpu_totalusage;
my $delta_systemusage = $cpu_systemusage - $old_cpu_systemusage;
my $prct_cpu = (($delta_totalusage / $delta_systemusage) * scalar(@cpu_number)) * 100;
my $exit = $self->{perfdata}->threshold_check(value => $prct_cpu, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("CPU Usage is %.2f%%", $prct_cpu));
$self->{output}->perfdata_add(label => "cpu", unit => '%',
value => $prct_cpu,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0,
max => 100,
);
$self->{statefile_value}->write(data => $new_datas);
if ($buffer_creation == 1) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
}
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Container's CPU usage
=over 8
=item B<--hostname>
IP Addr/FQDN of Docker's API
=item B<--port>
Port used by Docker's API (Default: '2576')
=item B<--proto>
Specify https if needed (Default: 'https')
=item B<--urlpath>
Set path to get Docker's container information (Default: '/')
=item B<--id>
Specify one container's id
=item B<--name>
Specify one container's name
=item B<--warning>
Threshold warning in percent.
=item B<--critical>
Threshold critical in percent.
=item B<--credentials>
Specify this option if you access webpage over basic authentification
=item B<--username>
Specify username
=item B<--password>
Specify password
=item B<--ssl>
Specify SSL version (example : 'sslv3', 'tlsv1'...)
=item B<--cert-file>
Specify certificate to send to the webserver
=item B<--key-file>
Specify key to send to the webserver
=item B<--cacert-file>
Specify root certificate to send to the webserver
=item B<--timeout>
Threshold for HTTP timeout (Default: 3)
=back
=cut