274 lines
11 KiB
Perl
274 lines
11 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::cadvisor::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 DateTime;
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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 => $self->{result_values}->{memory_total});
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{memory_used});
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return sprintf(
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"Memory Used: %s (%.2f%%) Total: %s" ,
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$total_used_value . " " . $total_used_unit, 100 * $self->{result_values}->{memory_used} / $self->{result_values}->{memory_total},
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$total_size_value . " " . $total_size_unit
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);
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}
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sub prefix_containers_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{display} . "' ";
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'containers', type => 1, cb_prefix_output => 'prefix_containers_output', message_multiple => 'All containers are ok', skipped_code => { -11 => 1 } },
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];
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$self->{maps_counters}->{containers} = [
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{ label => 'cpu-number', nlabel => 'container.cpu.count', set => {
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key_values => [ { name => 'cpu_number'}, { name => 'display' } ],
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output_template => 'CPU: %d core(s)',
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perfdatas => [
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{ label => 'cpu_number', template => '%d',
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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 => 'cpu-total', nlabel => 'container.cpu.utilization.percentage', set => {
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key_values => [ { name => 'cpu_total'}, { name => 'display' } ],
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output_template => 'CPU Usage: %.2f %%',
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perfdatas => [
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{ label => 'cpu_total', 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 => 'cpu-user', nlabel => 'container.cpu.user.utilization.percentage', set => {
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key_values => [ { name => 'cpu_user'}, { name => 'display' } ],
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output_template => 'CPU User: %.2f %%',
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perfdatas => [
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{ label => 'cpu_user', 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 => 'cpu-system', nlabel => 'container.cpu.system.utilization.percentage', set => {
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key_values => [ { name => 'cpu_system' }, { name => 'display' } ],
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output_template => 'CPU System: %.2f %%',
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perfdatas => [
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{ label => 'cpu_system', 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_used' }, { name => 'memory_total' }, { name => 'display' } ],
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closure_custom_output => $self->can('custom_memory_output'),
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'memory_used', template => '%s',
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min => 0, max => 'memory_total',unit => 'B', 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-cache', nlabel => 'container.memory.cache.usage.bytes', set => {
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key_values => [ { name => 'memory_cache' }, { name => 'display' } ],
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output_template => 'Memory Cache: %s %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'memory_cache', template => '%s',
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min => 0, unit => 'B', 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-rss', nlabel => 'container.memory.rss.usage.bytes', set => {
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key_values => [ { name => 'memory_rss' }, { name => 'display' } ],
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output_template => 'Memory RSS: %s %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'memory_rss', template => '%s',
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min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'swap', nlabel => 'container.swap.usage.bytes', set => {
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key_values => [ { name => 'swap' }, { name => 'display' } ],
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output_template => 'Swap: %s %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'swap', template => '%s',
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min => 0, unit => 'B', 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, force_new_perfdata => 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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return $self;
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{containers} = {};
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my $result = $options{custom}->api_get_containers(
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container_id => $self->{option_results}->{container_id},
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container_name => $self->{option_results}->{container_name}
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);
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my $machine_stats = $options{custom}->api_get_machine_stats();
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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 $first_index = 0;
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my $first_stat = $result->{$container_id}->{Stats}[$first_index];
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my $first_ts = $first_stat->{timestamp};
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my $first_dt = $self->parse_date(date => $first_ts);
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my $first_cpu_total = $first_stat->{cpu}{usage}{total};
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my $first_cpu_user = $first_stat->{cpu}{usage}{user};
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my $first_cpu_system = $first_stat->{cpu}{usage}{system};
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my $last_index = scalar @{$result->{$container_id}->{Stats}} - 1;
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my $last_stat = $result->{$container_id}->{Stats}[$last_index];
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my $last_ts = $last_stat->{timestamp};
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my $last_dt = $self->parse_date(date => $last_ts);
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my $last_cpu_total = $last_stat->{cpu}{usage}{total};
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my $last_cpu_user = $last_stat->{cpu}{usage}{user};
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my $last_cpu_system = $last_stat->{cpu}{usage}{system};
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my $diff_ts = $last_dt - $first_dt;
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my $cpu_number = $machine_stats->{$result->{$container_id}->{NodeName}}->{num_cores};
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$self->{containers}->{$container_id} = {
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node_name => $result->{$container_id}->{NodeName},
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display => defined($self->{option_results}->{use_name}) ? $name : $container_id,
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name => $name,
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cpu_total => ($last_cpu_total - $first_cpu_total) / ($diff_ts * 1_000_000_000) * 100 / $cpu_number,
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cpu_user => ($last_cpu_user - $first_cpu_user) / ($diff_ts * 1_000_000_000) * 100 / $cpu_number,
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cpu_system => ($last_cpu_system - $first_cpu_system) / ($diff_ts * 1_000_000_000) * 100 / $cpu_number,
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cpu_number => $cpu_number,
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memory_used => $last_stat->{memory}{usage},
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memory_cache => $last_stat->{memory}{cache},
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memory_rss => $last_stat->{memory}{rss},
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swap => $last_stat->{memory}{swap},
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memory_total => $machine_stats->{$result->{$container_id}->{NodeName}}->{memory_capacity},
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};
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}
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if (scalar(keys %{$self->{containers}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No containers found.");
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$self->{output}->option_exit();
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}
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my $hostnames = $options{custom}->get_hostnames();
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}
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sub parse_date {
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my ($self, %options) = @_;
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if ($options{date} !~ /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})\.(\d*)([^\d]+)$/) {
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$self->{output}->add_option_msg(short_msg => "Wrong time found '" . $options{date} . "'.");
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$self->{output}->option_exit();
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}
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my $dt = DateTime->new(
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year => $1, month => $2, day => $3,
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hour => $4, minute => $5, second => $6,
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time_zone => $8
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);
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# return epoch time with nanoseconds
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return $dt->epoch.".".$7;
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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 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='cpu'
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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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=back
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=cut
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