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#
# Copyright 2022 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 apps::monitoring::nodeexporter::linux::mode::cpu;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
use centreon::plugins::statefile;
use centreon::common::monitoring::openmetrics::scrape;
sub custom_usage_calc {
my ($self, %options) = @_;
my $delta_total = $options{new_datas}->{$self->{instance} . '_' . $options{extra_options}->{label_ref}} - $options{old_datas}->{$self->{instance} . '_' . $options{extra_options}->{label_ref} };
$self->{result_values}->{used_delta} = 100 * $delta_total / $options{delta_time};
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
return 0;
}
sub custom_usage_idle_calc {
my ($self, %options) = @_;
my $delta_total = $options{new_datas}->{node_cpu_avg_idle_avg} - $options{old_datas}->{node_cpu_avg_idle_avg};
$self->{result_values}->{idle_avg_delta} = 100 - ( 100 * $delta_total / $options{delta_time} );
return 0;
}
sub prefix_node_cpu_avg_output {
my ($self, %options) = @_;
return $self->{node_cpu_avg}->{count} . " CPU(s) average usage is ";
}
sub prefix_node_cpu_output {
my ($self, %options) = @_;
return "CPU '" . $options{instance_value}->{display} . "' ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'node_cpu_avg', type => 0, cb_prefix_output => 'prefix_node_cpu_avg_output' },
{ name => 'node_cpu', type => 1, cb_prefix_output => 'prefix_node_cpu_output', message_multiple => 'All CPU types are ok' }
];
$self->{maps_counters}->{node_cpu_avg} = [
{ label => 'average', nlabel => 'cpu.utilization.percentage', set => {
key_values => [ { name => 'idle_avg', diff => 1 } , { name => 'count'} ],
closure_custom_calc => $self->can('custom_usage_idle_calc'),
output_template => '%.2f %%',
output_template => 'average usage : %.2f %%', output_use => 'idle_avg_delta', threshold_use => 'idle_avg_delta',
perfdatas => [
{ label => 'average', value => 'idle_avg_delta', template => '%.2f',
min => 0, max => 100, unit => '%' },
],
}
},
];
$self->{maps_counters}->{node_cpu} = [
{
label => 'idle', nlabel => 'node.cpu.idle.utilization.percentage', set => {
key_values => [ { name => 'idle' , diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'idle' },
output_template => 'idle usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_idle', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'iowait', nlabel => 'node.cpu.iowait.utilization.percentage', set => {
key_values => [ { name => 'iowait', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'iowait' },
output_template => 'iowait usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_iowait', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'irq', nlabel => 'node.cpu.irq.utilization.percentage', set => {
key_values => [ { name => 'irq', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'irq' },
output_template => 'irq usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_irq', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'nice', nlabel => 'node.cpu.nice.utilization.percentage', set => {
key_values => [ { name => 'nice', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'nice' },
output_template => 'nice usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_nice', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'softirq', nlabel => 'node.cpu.softirq.utilization.percentage', set => {
key_values => [ { name => 'softirq', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'softirq' },
output_template => 'softirq usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_softirq', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'steal', nlabel => 'node.cpu.steal.utilization.percentage', set => {
key_values => [ { name => 'steal', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'steal' },
output_template => 'steal usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_steal', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'system', nlabel => 'node.cpu.system.utilization.percentage', set => {
key_values => [ { name => 'system', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'system' },
output_template => 'system usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_system', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
},
{
label => 'user', nlabel => 'node.cpu.user.utilization.percentage', set => {
key_values => [ { name => 'user', diff => 1 }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_calc_extra_options => { label_ref => 'user' },
output_template => 'user usage : %.2f %%', output_use => 'used_delta', threshold_use => 'used_delta',
perfdatas => [
{ label => 'node_cpu_seconds_total_user', value => 'used_delta', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display' },
],
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
my $raw_metrics = centreon::common::monitoring::openmetrics::scrape::parse(%options, strip_chars => "[\"']");
$self->{cache_name} = 'linux_nodeexporter' . $options{custom}->get_uuid() . '_' . $self->{mode} . '_' . md5_hex('all');
$self->{node_cpu} = {};
my $cpu_number;
my $cpu_idle;
my $avg_cpu_idle;
foreach my $metric (keys %{$raw_metrics}) {
next if ($metric !~ /node_cpu_seconds_total/i);
foreach my $data (@{$raw_metrics->{$metric}->{data}}) {
foreach my $cpu_index ($data->{dimensions}->{cpu}){
$self->{node_cpu}->{$cpu_index}->{$data->{dimensions}->{mode}} = $data->{value};
$self->{node_cpu}->{$cpu_index}->{display} = $data->{dimensions}->{cpu};
$cpu_idle += $data->{value} if ($data->{dimensions}->{mode} =~ /idle/i);
}
}
}
if (scalar(keys %{$self->{node_cpu}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No entry found.");
$self->{output}->option_exit();
}
$cpu_number = keys %{$self->{node_cpu}};
$avg_cpu_idle = $cpu_idle / $cpu_number;
$self->{node_cpu_avg}->{idle_avg} = $avg_cpu_idle;
$self->{node_cpu_avg}->{count} = $cpu_number;
}
1;
__END__
=head1 MODE
Check CPU based on node exporter metrics.
=over 8
=item B<--warning-*>
Threshold warning.
Can be: 'average', 'idle', 'iowait', 'nice', 'irq'
'softirq', 'steal', 'system', 'user'
=item B<--critical-*>
Threshold critical.
Can be: 'average', 'idle', 'iowait', 'nice', 'irq'
'softirq', 'steal', 'system', 'user'
=back
=cut
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