centreon-plugins/cloud/docker/mode/cpu.pm

202 lines
7.1 KiB
Perl

#
# Copyright 2016 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package cloud::docker::mode::cpu;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::statefile;
use centreon::plugins::http;
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.1';
$options{options}->add_options(arguments =>
{
"port:s" => { name => 'port' },
"name:s" => { name => 'name' },
"id:s" => { name => 'id' },
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
});
$self->{statefile_value} = centreon::plugins::statefile->new(%options);
$self->{http} = centreon::plugins::http->new(output => $self->{output});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if ((defined($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();
}
$self->{http}->set_options(%{$self->{option_results}});
$self->{statefile_value}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
if (defined($self->{option_results}->{id})) {
$self->{statefile_value}->read(statefile => 'docker_' . $self->{option_results}->{id} . '_' . $self->{http}->get_port() . '_' . $self->{mode});
} elsif (defined($self->{option_results}->{name})) {
$self->{statefile_value}->read(statefile => 'docker_' . $self->{option_results}->{name} . '_' . $self->{http}->get_port() . '_' . $self->{mode});
}
my $urlpath;
if (defined($self->{option_results}->{id})) {
$urlpath = "/containers/".$self->{option_results}->{id}."/stats";
} elsif (defined($self->{option_results}->{name})) {
$urlpath = "/containers/".$self->{option_results}->{name}."/stats";
}
my $port = $self->{option_results}->{port};
my $containerapi = $options{custom};
my $webcontent = $containerapi->api_request(urlpath => $urlpath,
port => $port);
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 $cpu_throttledtime = $webcontent->{cpu_stats}->{throttling_data}->{throttled_time};
my $new_datas = {};
$new_datas->{cpu_totalusage} = $cpu_totalusage;
$new_datas->{cpu_systemusage} = $cpu_systemusage;
$new_datas->{cpu_throttledtime} = $cpu_throttledtime;
my $old_cpu_totalusage = $self->{statefile_value}->get(name => 'cpu_totalusage');
my $old_cpu_systemusage = $self->{statefile_value}->get(name => 'cpu_systemusage');
my $old_cpu_throttledtime = $self->{statefile_value}->get(name => 'cpu_throttledtime');
if ((!defined($old_cpu_totalusage)) || (!defined($old_cpu_systemusage)) || (!defined($old_cpu_throttledtime))) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
$self->{statefile_value}->write(data => $new_datas);
$self->{output}->display();
$self->{output}->exit();
}
if ($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.
$old_cpu_systemusage = 0;
}
if ($new_datas->{cpu_throttledtime} < $old_cpu_throttledtime) {
# We set 0. Has reboot.
$old_cpu_throttledtime = 0;
}
my $delta_totalusage = $cpu_totalusage - $old_cpu_totalusage;
my $delta_systemusage = $cpu_systemusage - $old_cpu_systemusage;
my $delta_throttledtime = $cpu_throttledtime - $old_cpu_throttledtime;
# Nano second to second
my $throttledtime = $delta_throttledtime / 10 ** 9;
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%% (Throttled Time: %.3fs)", $prct_cpu, $throttledtime));
$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->{output}->perfdata_add(label => "throttled", unit => 's',
value => $throttledtime,
min => 0,
);
$self->{statefile_value}->write(data => $new_datas);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Container's CPU usage
=head2 DOCKER OPTIONS
=item B<--port>
Port used by Docker
=item B<--id>
Specify one container's id
=item B<--name>
Specify one container's name
=head2 MODE OPTIONS
=item B<--warning>
Threshold warning in percent.
=item B<--critical>
Threshold critical in percent.
=back
=cut