227 lines
8.9 KiB
Perl
227 lines
8.9 KiB
Perl
#
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# Copyright 2020 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 os::linux::local::mode::loadaverage;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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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, $class;
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$options{options}->add_options(arguments => {
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'warning:s' => { name => 'warning', default => '' },
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'critical:s' => { name => 'critical', default => '' },
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'average' => { name => 'average' }
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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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$self->SUPER::init(%options);
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($self->{warn1}, $self->{warn5}, $self->{warn15}) = split /,/, $self->{option_results}->{warning};
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($self->{crit1}, $self->{crit5}, $self->{crit15}) = split /,/, $self->{option_results}->{critical};
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if (($self->{perfdata}->threshold_validate(label => 'warn1', value => $self->{warn1})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning (1min) threshold '" . $self->{warn1} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warn5', value => $self->{warn5})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning (5min) threshold '" . $self->{warn5} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warn15', value => $self->{warn15})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning (15min) threshold '" . $self->{warn15} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'crit1', value => $self->{crit1})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical (1min) threshold '" . $self->{crit1} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'crit5', value => $self->{crit5})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical (5min) threshold '" . $self->{crit5} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'crit15', value => $self->{crit15})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical (15min) threshold '" . $self->{crit15} . "'.");
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$self->{output}->option_exit();
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}
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}
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sub run {
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my ($self, %options) = @_;
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my ($stdout) = $options{custom}->execute_command(
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command => 'tail',
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command_options => '-n +1 /proc/loadavg /proc/stat 2>&1'
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);
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my ($load1m, $load5m, $load15m);
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my ($msg, $cpu_load1, $cpu_load5, $cpu_load15);
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if ($stdout =~ /\/proc\/loadavg.*?([0-9\.]+)\s+([0-9\.]+)\s+([0-9\.]+)/ms) {
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($load1m, $load5m, $load15m) = ($1, $2, $3)
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}
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if (!defined($load1m) || !defined($load5m) || !defined($load15m)) {
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$self->{output}->add_option_msg(short_msg => "Some informations missing.");
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$self->{output}->option_exit();
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}
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if (defined($self->{option_results}->{average})) {
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my $countCpu = 0;
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$countCpu++ while ($stdout =~ /^cpu\d+/msg);
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if ($countCpu == 0){
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$self->{output}->output_add(severity => 'unknown',
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short_msg => 'Unable to get number of CPUs');
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$self->{output}->display();
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$self->{output}->exit();
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}
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$cpu_load1 = sprintf("%0.2f", $load1m / $countCpu);
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$cpu_load5 = sprintf("%0.2f", $load5m / $countCpu);
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$cpu_load15 = sprintf("%0.2f", $load15m / $countCpu);
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$msg = sprintf("Load average: %s [%s/%s CPUs], %s [%s/%s CPUs], %s [%s/%s CPUs]", $cpu_load1, $load1m, $countCpu,
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$cpu_load5, $load5m, $countCpu,
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$cpu_load15, $load15m, $countCpu);
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$self->{output}->perfdata_add(
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label => 'avg_load1',
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value => $cpu_load1,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn1'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit1'),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'avg_load5',
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value => $cpu_load5,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn5'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit5'),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'avg_load15',
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value => $cpu_load15,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn15'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit15'),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'load1',
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value => $load1m,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn1', op => '*', value => $countCpu),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit1', op => '*', value => $countCpu),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'load5',
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value => $load5m,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn5', op => '*', value => $countCpu),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit5', op => '*', value => $countCpu),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'load15',
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value => $load15m,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn15', op => '*', value => $countCpu),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit15', op => '*', value => $countCpu),
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min => 0
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);
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} else {
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$cpu_load1 = $load1m;
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$cpu_load5 = $load5m;
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$cpu_load15 = $load15m;
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$msg = sprintf("Load average: %s, %s, %s", $cpu_load1, $cpu_load5, $cpu_load15);
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$self->{output}->perfdata_add(
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label => 'load1',
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value => $cpu_load1,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn1'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit1'),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'load5',
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value => $cpu_load5,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn5'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit5'),
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min => 0
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);
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$self->{output}->perfdata_add(
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label => 'load15',
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value => $cpu_load15,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn15'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit15'),
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min => 0
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);
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}
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my $exit1 = $self->{perfdata}->threshold_check(value => $cpu_load1,
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threshold => [ { label => 'crit1', 'exit_litteral' => 'critical' }, { label => 'warn1', exit_litteral => 'warning' } ]);
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my $exit2 = $self->{perfdata}->threshold_check(value => $cpu_load5,
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threshold => [ { label => 'crit5', 'exit_litteral' => 'critical' }, { label => 'warn5', exit_litteral => 'warning' } ]);
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my $exit3 = $self->{perfdata}->threshold_check(value => $cpu_load15,
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threshold => [ { label => 'crit15', 'exit_litteral' => 'critical' }, { label => 'warn15', exit_litteral => 'warning' } ]);
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my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2, $exit3 ]);
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$self->{output}->output_add(
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severity => $exit,
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short_msg => $msg
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);
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$self->{output}->display();
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$self->{output}->exit();
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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 system load-average. (need '/proc/loadavg' file).
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Command used: tail -n +1 /proc/loadavg /proc/stat 2>&1
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=over 8
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=item B<--warning>
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Threshold warning (1min,5min,15min).
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=item B<--critical>
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Threshold critical (1min,5min,15min).
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=item B<--average>
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Load average for the number of CPUs.
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=back
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=cut
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