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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 alarm 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::netdata::restapi::mode::cpu;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'cpu_avg', type => 0, cb_prefix_output => 'prefix_cpu_avg_output' },
{ name => 'cpu_results', type => 1, cb_prefix_output => 'prefix_cpu_core_output' }
];
$self->{maps_counters}->{cpu_avg} = [
{ label => 'average', nlabel => 'cpu.utilization.percentage', set => {
key_values => [ { name => 'average' }, { name => 'count' } ],
output_template => '%.2f %%',
perfdatas => [
{ template => '%.2f', min => 0, max => 100, unit => '%' }
]
}
}
];
$self->{maps_counters}->{cpu_results} = [
{ label => 'core', nlabel => 'core.cpu.utilization.percentage', set => {
key_values => [ { name => 'usage' }, { name => 'display' } ],
output_template => 'usage: %.2f %%',
perfdatas => [
{ template => '%.2f', min => 0, max => 100, unit => '%', label_extra_instance => 1 }
]
}
}
];
}
sub prefix_cpu_avg_output {
my ($self, %options) = @_;
return $self->{cpu_avg}->{count} . " CPU(s) average usage is ";
}
sub prefix_cpu_core_output {
my ($self, %options) = @_;
return "CPU '" . $options{instance_value}->{display} . "' ";
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
'chart-period:s' => { name => 'chart_period', default => '300' },
'chart-statistics:s' => { name => 'chart_statistics', default => 'average' }
});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
my $cpu_total_usage;
my $cpu_number = $options{custom}->get_info(filter_info => 'cores_total');
foreach (my $i = 0; $i < $cpu_number; $i++) {
my $cpu_core = 'cpu.cpu' . $i;
my $result = $options{custom}->get_data(
chart => $cpu_core,
after_period => $self->{option_results}->{chart_period},
group => $self->{option_results}->{chart_statistics}
);
my ($usage, $count) = (0, 0);
foreach my $data (@{$result->{data}}) {
while (my ($index, $label) = each(@{$result->{labels}})) {
next if ($label eq 'time');
$usage += $data->[$index];
}
$count++;
}
if ($count > 0) {
$self->{cpu_results}->{$i} = {
display => $i,
usage => $usage / $count
};
$cpu_total_usage += ($usage / $count);
}
}
my $avg_cpu = $cpu_total_usage / $cpu_number;
$self->{cpu_avg} = {
average => $avg_cpu,
count => $cpu_number
};
};
1;
__END__
=head1 MODE
Check *nix based servers CPU using the Netdata agent RestAPI.
Example:
perl centreon_plugins.pl --plugin=apps::monitoring::netdata::restapi::plugin
--mode=cpu --hostname=10.0.0.1 --chart-period=300 --warning-average=70 --critical-average=80 --verbose
More information on 'https://learn.netdata.cloud/docs/agent/web/api'.
=over 8
=item B<--chart-period>
The period in seconds on which the values are calculated
Default: 300
=item B<--chart-statistic>
The statistic calculation method used to parse the collected data.
Can be : average, sum, min, max
Default: average
=item B<--warning-average>
Warning threshold on average CPU utilization.
=item B<--critical-average>
Critical threshold on average CPU utilization.
=item B<--warning-core>
Warning threshold for each CPU core
=item B<--critical-core>
Critical threshold for each CPU core
=back
=cut
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