centreon-plugins/os/solaris/local/mode/cpu.pm

214 lines
7.3 KiB
Perl

#
# Copyright 2020 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 os::solaris::local::mode::cpu;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::misc;
use centreon::plugins::statefile;
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments => {
'hostname:s' => { name => 'hostname' },
'remote' => { name => 'remote' },
'ssh-option:s@' => { name => 'ssh_option' },
'ssh-path:s' => { name => 'ssh_path' },
'ssh-command:s' => { name => 'ssh_command', default => 'ssh' },
'timeout:s' => { name => 'timeout', default => 30 },
'sudo' => { name => 'sudo' },
'command:s' => { name => 'command', default => 'kstat' },
'command-path:s' => { name => 'command_path' },
'command-options:s' => { name => 'command_options', default => '-n sys 2>&1' },
'warning:s' => { name => 'warning' },
'critical:s' => { name => 'critical' },
});
$self->{statefile_cache} = centreon::plugins::statefile->new(%options);
$self->{hostname} = undef;
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
$self->{output}->option_exit();
}
$self->{statefile_cache}->check_options(%options);
$self->{hostname} = $self->{option_results}->{hostname};
if (!defined($self->{hostname})) {
$self->{hostname} = 'me';
}
}
sub run {
my ($self, %options) = @_;
my $stdout = centreon::plugins::misc::execute(
output => $self->{output},
options => $self->{option_results},
sudo => $self->{option_results}->{sudo},
command => $self->{option_results}->{command},
command_path => $self->{option_results}->{command_path},
command_options => $self->{option_results}->{command_options}
);
$self->{statefile_cache}->read(statefile => 'cache_solaris_local_' . $self->{hostname} . '_' . $self->{mode});
my $old_timestamp = $self->{statefile_cache}->get(name => 'last_timestamp');
my $datas = {};
$datas->{last_timestamp} = time();
$self->{output}->output_add(severity => 'OK',
short_msg => "CPUs usages are ok.");
my @output_cpu_instance = split("instance", $stdout);
shift @output_cpu_instance;
foreach (@output_cpu_instance) {
/:\s.*?(\d+)/;
my $cpu_number = $1;
/.*?cpu_ticks_idle\s.*?(\d+).*?cpu_ticks_kernel\s.*?(\d+).*?cpu_ticks_user\s.*?(\d+)/ms;
$datas->{'cpu_idle_' . $cpu_number} = $1;
$datas->{'cpu_system_' . $cpu_number} = $2;
$datas->{'cpu_user_' . $cpu_number} = $3;
if (!defined($old_timestamp)) {
next;
}
my $old_cpu_idle = $self->{statefile_cache}->get(name => 'cpu_idle_' . $cpu_number);
my $old_cpu_system = $self->{statefile_cache}->get(name => 'cpu_system_' . $cpu_number);
my $old_cpu_user = $self->{statefile_cache}->get(name => 'cpu_user_' . $cpu_number);
if (!defined($old_cpu_system) || !defined($old_cpu_idle) || !defined($old_cpu_user)) {
next;
}
if ($datas->{'cpu_idle_' . $cpu_number} < $old_cpu_idle) {
# We set 0. Has reboot.
$old_cpu_user = 0;
$old_cpu_idle = 0;
$old_cpu_system = 0;
}
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);
my $idle_elapsed = $datas->{'cpu_idle_' . $cpu_number} - $old_cpu_idle;
my $cpu_ratio_usetime = 100 * $idle_elapsed / $total_elapsed;
$cpu_ratio_usetime = 100 - $cpu_ratio_usetime;
my $exit_code = $self->{perfdata}->threshold_check(value => $cpu_ratio_usetime,
threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(long_msg => sprintf("CPU %d %.2f%%", $cpu_number, $cpu_ratio_usetime));
if (!$self->{output}->is_status(litteral => 1, value => $exit_code, compare => 'ok')) {
$self->{output}->output_add(severity => $exit_code,
short_msg => sprintf("CPU %d %.2f%%", $cpu_number, $cpu_ratio_usetime));
}
$self->{output}->perfdata_add(
label => 'cpu_' . $cpu_number, unit => '%',
value => sprintf("%.2f", $cpu_ratio_usetime),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0, max => 100
);
}
$self->{statefile_cache}->write(data => $datas);
if (!defined($old_timestamp)) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
}
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check system CPUs (need 'kstat' command).
=over 8
=item B<--warning>
Threshold warning in percent.
=item B<--critical>
Threshold critical in percent.
=item B<--remote>
Execute command remotely in 'ssh'.
=item B<--hostname>
Hostname to query (need --remote).
=item B<--ssh-option>
Specify multiple options like the user (example: --ssh-option='-l=centreon-engine" --ssh-option='-p=52").
=item B<--ssh-path>
Specify ssh command path (default: none)
=item B<--ssh-command>
Specify ssh command (default: 'ssh'). Useful to use 'plink'.
=item B<--timeout>
Timeout in seconds for the command (Default: 30).
=item B<--sudo>
Use 'sudo' to execute the command.
=item B<--command>
Command to get information (Default: 'kstat').
Can be changed if you have output in a file.
=item B<--command-path>
Command path (Default: none).
=item B<--command-options>
Command options (Default: '-n sys 2>&1').
=back
=cut