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

283 lines
10 KiB
Perl

#
# Copyright 2015 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::traffic;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::http;
use centreon::plugins::statefile;
use JSON;
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-in:s" => { name => 'warning_in' },
"critical-in:s" => { name => 'critical_in' },
"warning-out:s" => { name => 'warning_out' },
"critical-out:s" => { name => 'critical_out' },
"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' },
});
$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-in', value => $self->{option_results}->{warning_in})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning 'in' threshold '" . $self->{option_results}->{warning_in} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-in', value => $self->{option_results}->{critical_in})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical 'in' threshold '" . $self->{option_results}->{critical_in} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-out', value => $self->{option_results}->{warning_out})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning 'out' threshold '" . $self->{option_results}->{warning_out} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-out', value => $self->{option_results}->{critical_out})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical 'out' threshold '" . $self->{option_results}->{critical_out} . "'.");
$self->{output}->option_exit();
}
$self->{option_results}->{get_param} = [];
push @{$self->{option_results}->{get_param}}, "stream=false";
if (defined($self->{option_results}->{id})) {
$self->{option_results}->{url_path} = "/containers/".$self->{option_results}->{id}."/stats";
} elsif (defined($self->{option_results}->{name})) {
$self->{option_results}->{url_path} = "/containers/".$self->{option_results}->{name}."/stats";
}
$self->{http}->set_options(%{$self->{option_results}});
$self->{statefile_value}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
my $new_datas = {};
if (defined($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 $jsoncontent = $self->{http}->request();
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 $rx_bytes = $webcontent->{network}->{rx_bytes};
my $tx_bytes = $webcontent->{network}->{tx_bytes};
$new_datas->{rx_bytes} = $rx_bytes;
$new_datas->{tx_bytes} = $tx_bytes;
$new_datas->{last_timestamp} = time();
my $old_timestamp = $self->{statefile_value}->get(name => 'last_timestamp');
if (!defined($old_timestamp)) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
$self->{statefile_value}->write(data => $new_datas);
$self->{output}->display();
$self->{output}->exit();
}
my $time_delta = $new_datas->{last_timestamp} - $old_timestamp;
if ($time_delta <= 0) {
# At least one second. two fast calls ;)
$time_delta = 1;
}
my $old_rx_bytes = $self->{statefile_value}->get(name => 'rx_bytes');
my $old_tx_bytes = $self->{statefile_value}->get(name => 'tx_bytes');
if ($new_datas->{rx_bytes} < $old_rx_bytes) {
# We set 0. Has reboot.
$old_rx_bytes = 0;
}
if ($new_datas->{tx_bytes} < $old_tx_bytes) {
# We set 0. Has reboot.
$old_tx_bytes = 0;
}
my $delta_rx_bits = ($rx_bytes - $old_rx_bytes) * 8;
my $delta_tx_bits = ($tx_bytes - $old_tx_bytes) * 8;
my $rx_absolute_per_sec = $delta_rx_bits / $time_delta;
my $tx_absolute_per_sec = $delta_tx_bits / $time_delta;
my $exit1 = $self->{perfdata}->threshold_check(value => $rx_absolute_per_sec, threshold => [ { label => 'critical-in', 'exit_litteral' => 'critical' }, { label => 'warning-in', exit_litteral => 'warning' } ]);
my $exit2 = $self->{perfdata}->threshold_check(value => $tx_absolute_per_sec, threshold => [ { label => 'critical-out', 'exit_litteral' => 'critical' }, { label => 'warning-out', exit_litteral => 'warning' } ]);
my ($rx_value, $rx_unit) = $self->{perfdata}->change_bytes(value => $rx_absolute_per_sec, network => 1);
my ($tx_value, $tx_unit) = $self->{perfdata}->change_bytes(value => $tx_absolute_per_sec, network => 1);
my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Traffic In : %s/s, Out : %s/s",
$rx_value . $rx_unit,
$tx_value . $tx_unit));
$self->{output}->perfdata_add(label => 'traffic_in', unit => 'b/s',
value => sprintf("%.2f", $rx_absolute_per_sec),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-in'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-in'),
min => 0);
$self->{output}->perfdata_add(label => 'traffic_out', unit => 'b/s',
value => sprintf("%.2f", $tx_absolute_per_sec),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-out'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-out'),
min => 0);
$self->{statefile_value}->write(data => $new_datas);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Container's Network traffic 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-in>
Threshold warning in b/s for 'in' traffic.
=item B<--critical-in>
Threshold critical in b/s for 'in' traffic.
=item B<--warning-out>
Threshold warning in b/s for 'out' traffic.
=item B<--critical-out>
Threshold critical in b/s for 'out' traffic.
=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