339 lines
14 KiB
Perl
339 lines
14 KiB
Perl
#
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# Copyright 2021 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::restapi::mode::containerusage;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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use Digest::MD5 qw(md5_hex);
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use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
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sub custom_status_output {
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my ($self, %options) = @_;
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return 'state : ' . $self->{result_values}->{state};
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}
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sub custom_cpu_calc {
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my ($self, %options) = @_;
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my $delta_cpu_total = $options{new_datas}->{$self->{instance} . '_cpu_total_usage'} - $options{old_datas}->{$self->{instance} . '_cpu_total_usage'};
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my $delta_cpu_system = $options{new_datas}->{$self->{instance} . '_cpu_system_usage'} - $options{old_datas}->{$self->{instance} . '_cpu_system_usage'};
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# container is not running
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return -10 if ($options{new_datas}->{$self->{instance} . '_cpu_system_usage'} == 0);
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if ($delta_cpu_system == 0) {
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$self->{result_values}->{prct_cpu} = 0;
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} else {
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$self->{result_values}->{prct_cpu} = (($delta_cpu_total / $delta_cpu_system) * $options{new_datas}->{$self->{instance} . '_cpu_number'}) * 100;
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}
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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return 0;
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}
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sub custom_memory_perfdata {
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my ($self, %options) = @_;
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$self->{output}->perfdata_add(
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label => 'memory_used',
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nlabel => 'container.memory.usage.bytes',
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unit => 'B',
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
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value => $self->{result_values}->{used},
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, total => $self->{result_values}->{total}, cast_int => 1),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, total => $self->{result_values}->{total}, cast_int => 1),
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min => 0,
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max => $self->{result_values}->{total}
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);
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}
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sub custom_memory_threshold {
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my ($self, %options) = @_;
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my $exit = $self->{perfdata}->threshold_check(
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value => $self->{result_values}->{prct_used}, threshold => [
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{ label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' },
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{ label => 'warning-' . $self->{thlabel}, exit_litteral => 'warning' }
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]
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);
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return $exit;
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}
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sub custom_memory_output {
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my ($self, %options) = @_;
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my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
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my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
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return sprintf(
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"Memory Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_size_value . " " . $total_size_unit,
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$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
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$total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free}
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);
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}
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sub custom_memory_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_memory_total'};
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$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_memory_usage'};
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# container is not running
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return -10 if ($self->{result_values}->{used} == 0);
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$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
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$self->{result_values}->{prct_free} = $self->{result_values}->{free} * 100 / $self->{result_values}->{total};
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'containers', type => 1, cb_prefix_output => 'prefix_containers_output', message_multiple => 'All containers are ok', skipped_code => { -10 => 1, -11 => 1 } },
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{ name => 'containers_traffic', type => 1, cb_prefix_output => 'prefix_containers_traffic_output', message_multiple => 'All container traffics are ok', skipped_code => { -11 => 1 } }
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];
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$self->{maps_counters}->{containers} = [
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{ label => 'container-status', type => 2, set => {
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key_values => [ { name => 'state' }, { name => 'name' } ],
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closure_custom_output => $self->can('custom_status_output'),
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&catalog_status_threshold_ng
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}
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},
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{ label => 'cpu', nlabel => 'container.cpu.utilization.percentage', set => {
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key_values => [ { name => 'cpu_total_usage', diff => 1 }, { name => 'cpu_system_usage', diff => 1 }, { name => 'cpu_number' }, { name => 'display' } ],
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output_template => 'CPU Usage : %.2f %%',
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closure_custom_calc => $self->can('custom_cpu_calc'),
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output_use => 'prct_cpu', threshold_use => 'prct_cpu',
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perfdatas => [
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{ label => 'cpu', value => 'prct_cpu', template => '%.2f',
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unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'memory', nlabel => 'container.memory.usage.bytes', set => {
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key_values => [ { name => 'memory_usage' }, { name => 'memory_total' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_memory_calc'),
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closure_custom_output => $self->can('custom_memory_output'),
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closure_custom_perfdata => $self->can('custom_memory_perfdata'),
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closure_custom_threshold_check => $self->can('custom_memory_threshold')
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}
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},
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{ label => 'read-iops', nlabel => 'container.disk.io.read.usage.iops', set => {
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key_values => [ { name => 'read_io', per_second => 1 }, { name => 'display' } ],
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output_template => 'Read IOPs : %.2f', output_error_template => "Read IOPs : %s",
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perfdatas => [
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{ label => 'read_iops', template => '%.2f',
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unit => 'iops', min => 0, label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'write-iops', nlabel => 'container.disk.io.write.usage.iops', set => {
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key_values => [ { name => 'write_io', per_second => 1 }, { name => 'display' } ],
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output_template => 'Write IOPs : %.2f', output_error_template => "Write IOPs : %s",
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perfdatas => [
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{ label => 'write_iops', template => '%.2f',
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unit => 'iops', min => 0, label_extra_instance => 1, instance_use => 'display' }
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]
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}
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}
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];
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$self->{maps_counters}->{containers_traffic} = [
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{ label => 'traffic-in', nlabel => 'container.traffic.in.bitspersecond', set => {
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key_values => [ { name => 'traffic_in', per_second => 1 }, { name => 'display' } ],
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output_change_bytes => 2,
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output_template => 'Traffic In : %s %s/s',
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perfdatas => [
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{ label => 'traffic_in', template => '%.2f',
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min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'traffic-out', nlabel => 'container.traffic.out.bitspersecond', set => {
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key_values => [ { name => 'traffic_out', per_second => 1 }, { name => 'display' } ],
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output_change_bytes => 2,
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output_template => 'Traffic Out : %s %s/s',
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perfdatas => [
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{ label => 'traffic_out', template => '%.2f',
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min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display' }
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]
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}
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}
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];
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}
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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, statefile => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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'container-id:s' => { name => 'container_id' },
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'container-name:s' => { name => 'container_name' },
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'filter-name:s' => { name => 'filter_name' },
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'use-name' => { name => 'use_name' }
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});
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$self->{statefile_cache_containers} = centreon::plugins::statefile->new(%options);
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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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$self->SUPER::check_options(%options);
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$self->{statefile_cache_containers}->check_options(%options);
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}
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sub prefix_containers_traffic_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{display} . "' ";
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}
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sub prefix_containers_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{display} . "' ";
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{containers} = {};
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$self->{containers_traffic} = {};
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my $result = $options{custom}->api_get_containers(container_id => $self->{option_results}->{container_id},
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container_name => $self->{option_results}->{container_name}, statefile => $self->{statefile_cache_containers});
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foreach my $container_id (keys %{$result}) {
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next if (!defined($result->{$container_id}->{Stats}));
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my $name = $result->{$container_id}->{Name};
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if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
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$name !~ /$self->{option_results}->{filter_name}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $name . "': no matching filter.", debug => 1);
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next;
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}
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my $read_io = $result->{$container_id}->{Stats}->{blkio_stats}->{io_service_bytes_recursive}->[0]->{value};
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my $write_io = $result->{$container_id}->{Stats}->{blkio_stats}->{io_service_bytes_recursive}->[1]->{value};
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$self->{containers}->{$container_id} = {
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display => defined($self->{option_results}->{use_name}) ? $name : $container_id,
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name => $name,
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state => $result->{$container_id}->{State},
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read_io => $read_io,
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write_io => $write_io,
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cpu_total_usage => $result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{total_usage},
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cpu_system_usage => $result->{$container_id}->{Stats}->{cpu_stats}->{system_cpu_usage},
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cpu_number => defined($result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{percpu_usage}) ?
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scalar(@{$result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{percpu_usage}}) : 1,
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memory_usage => $result->{$container_id}->{Stats}->{memory_stats}->{usage},
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memory_total => $result->{$container_id}->{Stats}->{memory_stats}->{limit}
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};
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foreach my $interface (keys %{$result->{$container_id}->{Stats}->{networks}}) {
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my $name = defined($self->{option_results}->{use_name}) ? $name : $container_id;
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$name .= '.' . $interface;
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$self->{containers_traffic}->{$name} = {
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display => $name,
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traffic_in => $result->{$container_id}->{Stats}->{networks}->{$interface}->{rx_bytes} * 8,
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traffic_out => $result->{$container_id}->{Stats}->{networks}->{$interface}->{tx_bytes} * 8,
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};
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}
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}
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if (scalar(keys %{$self->{containers}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No container found.");
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$self->{output}->option_exit();
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}
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my $hostnames = $options{custom}->get_hostnames();
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$self->{cache_name} = "docker_" . $self->{mode} . '_' . join('_', @$hostnames) . '_' . $options{custom}->get_port() . '_' .
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(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
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(defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all')) . '_' .
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(defined($self->{option_results}->{container_id}) ? md5_hex($self->{option_results}->{container_id}) : md5_hex('all')) . '_' .
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(defined($self->{option_results}->{container_name}) ? md5_hex($self->{option_results}->{container_name}) : md5_hex('all'));
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}
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1;
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__END__
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=head1 MODE
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Check container usage.
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=over 8
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=item B<--container-id>
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Exact container ID.
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=item B<--container-name>
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Exact container name (if multiple names: names separated by ':').
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=item B<--use-name>
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Use docker name for perfdata and display.
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=item B<--filter-name>
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Filter by container name (can be a regexp).
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=item B<--filter-counters>
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Only display some counters (regexp can be used).
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Example: --filter-counters='^container-status$'
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=item B<--warning-*>
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Threshold warning.
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Can be: 'read-iops', 'write-iops', 'traffic-in', 'traffic-out',
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'cpu' (%), 'memory' (%).
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=item B<--critical-*>
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Threshold critical.
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Can be: 'read-iops', 'write-iops', 'traffic-in', 'traffic-out',
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'cpu' (%), 'memory' (%).
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=item B<--warning-container-status>
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Set warning threshold for status (Default: -)
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Can used special variables like: %{name}, %{state}.
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=item B<--critical-container-status>
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Set critical threshold for status (Default: -).
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Can used special variables like: %{name}, %{state}.
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=back
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=cut
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