197 lines
7.1 KiB
Perl
197 lines
7.1 KiB
Perl
#
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# Copyright 2019 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::prometheus::exporters::nodeexporter::mode::cpu;
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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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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'nodes', type => 3, cb_prefix_output => 'prefix_nodes_output', message_multiple => 'All nodes CPU usage are ok',
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counters => [ { name => 'cpu', type => 1, cb_prefix_output => 'prefix_cpu_output', message_multiple => 'All CPU usage are ok' } ] },
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];
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$self->{maps_counters}->{nodes} = [
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{ label => 'node-usage', set => {
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key_values => [ { name => 'average' }, { name => 'display' } ],
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output_template => 'usage %.2f %%',
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perfdatas => [
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{ label => 'node', value => 'average_absolute', template => '%.2f',
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min => 0, max => 100, unit => '%',
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label_extra_instance => 1, instance_use => 'display_absolute' },
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],
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}
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},
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];
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$self->{maps_counters}->{cpu} = [
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{ label => 'cpu-usage', set => {
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key_values => [ { name => 'average' }, { name => 'multi' }, { name => 'display' } ],
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output_template => 'usage %.2f %%',
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perfdatas => [
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{ label => 'cpu', value => 'average_absolute', template => '%.2f',
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min => 0, max => 100, unit => '%',
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label_multi_instances => 1, multi_use => 'multi_absolute',
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label_extra_instance => 1, instance_use => 'display_absolute' },
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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 prefix_nodes_output {
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my ($self, %options) = @_;
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return "Node '" . $options{instance_value}->{display} . "' ";
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}
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sub prefix_cpu_output {
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my ($self, %options) = @_;
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return "Node '" . $options{instance_value}->{multi} . "' " . "Cpu '" . $options{instance_value}->{display} . "' ";
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"instance:s" => { name => 'instance', default => 'instance=~".*"' },
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"cpu:s" => { name => 'cpu', default => 'cpu=~".*"' },
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"extra-filter:s@" => { name => 'extra_filter' },
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"metric-overload:s@" => { name => 'metric_overload' },
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});
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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->{metrics} = {
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'cpu' => "^node_cpu.*",
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};
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foreach my $metric (@{$self->{option_results}->{metric_overload}}) {
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next if ($metric !~ /(.*),(.*)/);
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$self->{metrics}->{$1} = $2 if (defined($self->{metrics}->{$1}));
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}
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$self->{labels} = {};
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foreach my $label (('instance', 'cpu')) {
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if ($self->{option_results}->{$label} !~ /^(\w+)[!~=]+\".*\"$/) {
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$self->{output}->add_option_msg(short_msg => "Need to specify --" . $label . " option as a PromQL filter.");
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$self->{output}->option_exit();
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}
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$self->{labels}->{$label} = $1;
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}
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$self->{extra_filter} = '';
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foreach my $filter (@{$self->{option_results}->{extra_filter}}) {
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$self->{extra_filter} .= ',' . $filter;
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}
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$self->{prom_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
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$self->{prom_step} = defined($self->{option_results}->{step}) ? $self->{option_results}->{step} : "1m";
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{nodes} = {};
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$self->{cpu} = {};
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my $results = $options{custom}->query_range(queries => [ '(1 - irate({__name__=~"' . $self->{metrics}->{cpu} . '",' .
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'mode="idle",' .
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$self->{option_results}->{instance} . ',' .
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$self->{option_results}->{cpu} .
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$self->{extra_filter} . '}[1m])) * 100' ],
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timeframe => $self->{prom_timeframe}, step => $self->{prom_step});
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foreach my $result (@{$results}) {
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my $average = $options{custom}->compute(aggregation => 'average', values => $result->{values});
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{instance}}}->{display} = $result->{metric}->{$self->{labels}->{instance}};
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{instance}}}->{average} += $average;
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{instance}}}->{cpu}->{$result->{metric}->{$self->{labels}->{cpu}}}->{multi} = $result->{metric}->{$self->{labels}->{instance}};
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{instance}}}->{cpu}->{$result->{metric}->{$self->{labels}->{cpu}}}->{display} = $result->{metric}->{$self->{labels}->{cpu}};
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{instance}}}->{cpu}->{$result->{metric}->{$self->{labels}->{cpu}}}->{average} = $average;
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}
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foreach my $node (keys %{$self->{nodes}}) {
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$self->{nodes}->{$node}->{average} /= scalar(keys %{$self->{nodes}->{$node}->{cpu}});
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}
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if (scalar(keys %{$self->{nodes}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No nodes found.");
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$self->{output}->option_exit();
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}
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}
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1;
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__END__
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=head1 MODE
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Check CPU usage for nodes and each of their cores.
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=over 8
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=item B<--instance>
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Filter on a specific instance (Must be a PromQL filter, Default: 'instance=~".*"')
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=item B<--cpu>
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Filter on a specific cpu (Must be a PromQL filter, Default: 'cpu=~".*"')
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=item B<--warning-*>
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Threshold warning.
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Can be: 'node-usage', 'cpu-usage'.
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=item B<--critical-*>
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Threshold critical.
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Can be: 'node-usage', 'cpu-usage'.
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=item B<--extra-filter>
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Add a PromQL filter (Can be multiple)
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Example : --extra-filter='name=~".*pretty.*"'
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=item B<--metric-overload>
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Overload default metrics name (Can be multiple, metric can be 'cpu')
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Example : --metric-overload='metric,^my_metric_name$'
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=back
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=cut
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