220 lines
8.6 KiB
Perl
220 lines
8.6 KiB
Perl
#
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# Copyright 2016 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package cloud::docker::mode::blockio;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use centreon::plugins::statefile;
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use centreon::plugins::http;
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.1';
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$options{options}->add_options(arguments =>
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{
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"port:s" => { name => 'port' },
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"name:s" => { name => 'name' },
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"id:s" => { name => 'id' },
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"warning-read:s" => { name => 'warning-read' },
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"critical-read:s" => { name => 'critical-read' },
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"warning-write:s" => { name => 'warning-write' },
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"critical-write:s" => { name => 'critical-write' },
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});
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$self->{statefile_value} = centreon::plugins::statefile->new(%options);
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$self->{http} = centreon::plugins::http->new(output => $self->{output});
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if ((defined($self->{option_results}->{name})) && (defined($self->{option_results}->{id}))) {
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$self->{output}->add_option_msg(short_msg => "Please set the name or id option");
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$self->{output}->option_exit();
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}
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if ((!defined($self->{option_results}->{name})) && (!defined($self->{option_results}->{id}))) {
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$self->{output}->add_option_msg(short_msg => "Please set the name or id option");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-read', value => $self->{option_results}->{warning_read})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning 'read' threshold '" . $self->{option_results}->{warning_read} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-read', value => $self->{option_results}->{critical_read})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical 'read' threshold '" . $self->{option_results}->{critical_read} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-write', value => $self->{option_results}->{warning_write})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning 'write' threshold '" . $self->{option_results}->{warning_write} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-write', value => $self->{option_results}->{critical_write})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical 'write' threshold '" . $self->{option_results}->{critical_write} . "'.");
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$self->{output}->option_exit();
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}
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$self->{http}->set_options(%{$self->{option_results}});
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$self->{statefile_value}->check_options(%options);
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}
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sub run {
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my ($self, %options) = @_;
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my $new_datas = {};
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if (defined($self->{option_results}->{id})) {
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$self->{statefile_value}->read(statefile => 'docker_' . $self->{option_results}->{id} . '_' . $self->{http}->get_port() . '_' . $self->{mode});
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} elsif (defined($self->{option_results}->{name})) {
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$self->{statefile_value}->read(statefile => 'docker_' . $self->{option_results}->{name} . '_' . $self->{http}->get_port() . '_' . $self->{mode});
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}
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my $urlpath;
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if (defined($self->{option_results}->{id})) {
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$urlpath = "/containers/".$self->{option_results}->{id}."/stats";
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} elsif (defined($self->{option_results}->{name})) {
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$urlpath = "/containers/".$self->{option_results}->{name}."/stats";
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}
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my $port = $self->{option_results}->{port};
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my $containerapi = $options{custom};
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my $webcontent = $containerapi->api_request(urlpath => $urlpath,
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port => $port);
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my $read_bytes = $webcontent->{blkio_stats}->{io_service_bytes_recursive}->[0]->{value};
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my $write_bytes = $webcontent->{blkio_stats}->{io_service_bytes_recursive}->[1]->{value};
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$new_datas->{read_bytes} = $read_bytes;
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$new_datas->{write_bytes} = $write_bytes;
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$new_datas->{last_timestamp} = time();
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my $old_timestamp = $self->{statefile_value}->get(name => 'last_timestamp');
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# First execution
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if (!defined($old_timestamp)) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Buffer creation...");
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$self->{statefile_value}->write(data => $new_datas);
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$self->{output}->display();
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$self->{output}->exit();
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}
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my $time_delta = $new_datas->{last_timestamp} - $old_timestamp;
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if ($time_delta <= 0) {
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# At least one second. two fast calls ;)
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$time_delta = 1;
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}
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my $old_read_bytes = $self->{statefile_value}->get(name => 'read_bytes');
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my $old_write_bytes = $self->{statefile_value}->get(name => 'write_bytes');
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if ($new_datas->{read_bytes} < $old_read_bytes) {
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# We set 0. Has reboot.
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$old_read_bytes = 0;
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}
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if ($new_datas->{write_bytes} < $old_write_bytes) {
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# We set 0. Has reboot.
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$old_write_bytes = 0;
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}
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my $delta_read_bytes = $read_bytes - $old_read_bytes;
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my $delta_write_bytes = $write_bytes - $old_write_bytes;
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my $read_absolute_per_sec = $delta_read_bytes / $time_delta;
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my $write_absolute_per_sec = $delta_write_bytes / $time_delta;
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my $exit1 = $self->{perfdata}->threshold_check(value => $read_absolute_per_sec, threshold => [ { label => 'critical-read', 'exit_litteral' => 'critical' }, { label => 'warning-read', exit_litteral => 'warning' } ]);
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my $exit2 = $self->{perfdata}->threshold_check(value => $write_absolute_per_sec, threshold => [ { label => 'critical-write', 'exit_litteral' => 'critical' }, { label => 'warning-write', exit_litteral => 'warning' } ]);
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my ($read_value, $read_unit) = $self->{perfdata}->change_bytes(value => $read_absolute_per_sec, network => 1);
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my ($write_value, $write_unit) = $self->{perfdata}->change_bytes(value => $write_absolute_per_sec, network => 1);
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my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Read I/O : %s/s, Write I/O : %s/s",
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$read_value . $read_unit,
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$write_value . $write_unit));
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$self->{output}->perfdata_add(label => 'read_io', unit => 'B/s',
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value => sprintf("%.2f", $read_absolute_per_sec),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-read'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-read'),
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min => 0);
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$self->{output}->perfdata_add(label => 'write_io', unit => 'B/s',
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value => sprintf("%.2f", $write_absolute_per_sec),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-write'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-write'),
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min => 0);
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$self->{statefile_value}->write(data => $new_datas);
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$self->{output}->display();
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$self->{output}->exit();
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}
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1;
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__END__
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=head1 MODE
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Check Container's Block I/O usage
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=head2 DOCKER OPTIONS
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=item B<--port>
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Port used by Docker
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=item B<--id>
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Specify one container's id
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=item B<--name>
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Specify one container's name
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=head2 MODE OPTIONS
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=item B<--warning-read>
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Threshold warning in B/s for Read I/O.
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=item B<--critical-read>
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Threshold critical in B/s for Read I/O.
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=item B<--warning-write>
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Threshold warning in B/s for Write I/O.
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=item B<--critical-write>
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Threshold critical in B/s for Write I/O.
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=back
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=cut
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