214 lines
7.3 KiB
Perl
214 lines
7.3 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::solaris::local::mode::cpu;
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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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use centreon::plugins::misc;
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use centreon::plugins::statefile;
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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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'hostname:s' => { name => 'hostname' },
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'remote' => { name => 'remote' },
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'ssh-option:s@' => { name => 'ssh_option' },
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'ssh-path:s' => { name => 'ssh_path' },
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'ssh-command:s' => { name => 'ssh_command', default => 'ssh' },
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'timeout:s' => { name => 'timeout', default => 30 },
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'sudo' => { name => 'sudo' },
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'command:s' => { name => 'command', default => 'kstat' },
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'command-path:s' => { name => 'command_path' },
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'command-options:s' => { name => 'command_options', default => '-n sys 2>&1' },
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'warning:s' => { name => 'warning' },
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'critical:s' => { name => 'critical' },
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});
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$self->{statefile_cache} = centreon::plugins::statefile->new(%options);
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$self->{hostname} = undef;
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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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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
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$self->{output}->option_exit();
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}
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$self->{statefile_cache}->check_options(%options);
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$self->{hostname} = $self->{option_results}->{hostname};
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if (!defined($self->{hostname})) {
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$self->{hostname} = 'me';
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}
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}
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sub run {
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my ($self, %options) = @_;
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my $stdout = centreon::plugins::misc::execute(
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output => $self->{output},
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options => $self->{option_results},
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sudo => $self->{option_results}->{sudo},
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command => $self->{option_results}->{command},
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command_path => $self->{option_results}->{command_path},
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command_options => $self->{option_results}->{command_options}
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);
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$self->{statefile_cache}->read(statefile => 'cache_solaris_local_' . $self->{hostname} . '_' . $self->{mode});
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my $old_timestamp = $self->{statefile_cache}->get(name => 'last_timestamp');
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my $datas = {};
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$datas->{last_timestamp} = time();
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$self->{output}->output_add(severity => 'OK',
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short_msg => "CPUs usages are ok.");
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my @output_cpu_instance = split("instance", $stdout);
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shift @output_cpu_instance;
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foreach (@output_cpu_instance) {
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/:\s.*?(\d+)/;
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my $cpu_number = $1;
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/.*?cpu_ticks_idle\s.*?(\d+).*?cpu_ticks_kernel\s.*?(\d+).*?cpu_ticks_user\s.*?(\d+)/ms;
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$datas->{'cpu_idle_' . $cpu_number} = $1;
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$datas->{'cpu_system_' . $cpu_number} = $2;
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$datas->{'cpu_user_' . $cpu_number} = $3;
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if (!defined($old_timestamp)) {
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next;
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}
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my $old_cpu_idle = $self->{statefile_cache}->get(name => 'cpu_idle_' . $cpu_number);
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my $old_cpu_system = $self->{statefile_cache}->get(name => 'cpu_system_' . $cpu_number);
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my $old_cpu_user = $self->{statefile_cache}->get(name => 'cpu_user_' . $cpu_number);
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if (!defined($old_cpu_system) || !defined($old_cpu_idle) || !defined($old_cpu_user)) {
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next;
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}
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if ($datas->{'cpu_idle_' . $cpu_number} < $old_cpu_idle) {
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# We set 0. Has reboot.
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$old_cpu_user = 0;
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$old_cpu_idle = 0;
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$old_cpu_system = 0;
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}
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my $total_elapsed = ($datas->{'cpu_idle_' . $cpu_number} + $datas->{'cpu_user_' . $cpu_number} + $datas->{'cpu_system_' . $cpu_number}) - ($old_cpu_user + $old_cpu_idle + $old_cpu_system);
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my $idle_elapsed = $datas->{'cpu_idle_' . $cpu_number} - $old_cpu_idle;
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my $cpu_ratio_usetime = 100 * $idle_elapsed / $total_elapsed;
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$cpu_ratio_usetime = 100 - $cpu_ratio_usetime;
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my $exit_code = $self->{perfdata}->threshold_check(value => $cpu_ratio_usetime,
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threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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$self->{output}->output_add(long_msg => sprintf("CPU %d %.2f%%", $cpu_number, $cpu_ratio_usetime));
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if (!$self->{output}->is_status(litteral => 1, value => $exit_code, compare => 'ok')) {
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$self->{output}->output_add(severity => $exit_code,
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short_msg => sprintf("CPU %d %.2f%%", $cpu_number, $cpu_ratio_usetime));
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}
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$self->{output}->perfdata_add(
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label => 'cpu_' . $cpu_number, unit => '%',
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value => sprintf("%.2f", $cpu_ratio_usetime),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0, max => 100
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);
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}
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$self->{statefile_cache}->write(data => $datas);
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if (!defined($old_timestamp)) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Buffer creation...");
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}
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$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 CPUs (need 'kstat' command).
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=over 8
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=item B<--warning>
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Threshold warning in percent.
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=item B<--critical>
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Threshold critical in percent.
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=item B<--remote>
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Execute command remotely in 'ssh'.
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=item B<--hostname>
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Hostname to query (need --remote).
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=item B<--ssh-option>
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Specify multiple options like the user (example: --ssh-option='-l=centreon-engine" --ssh-option='-p=52").
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=item B<--ssh-path>
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Specify ssh command path (default: none)
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=item B<--ssh-command>
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Specify ssh command (default: 'ssh'). Useful to use 'plink'.
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=item B<--timeout>
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Timeout in seconds for the command (Default: 30).
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=item B<--sudo>
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Use 'sudo' to execute the command.
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=item B<--command>
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Command to get information (Default: 'kstat').
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Can be changed if you have output in a file.
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=item B<--command-path>
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Command path (Default: none).
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=item B<--command-options>
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Command options (Default: '-n sys 2>&1').
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=back
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=cut
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