191 lines
7.0 KiB
Perl
191 lines
7.0 KiB
Perl
#
|
|
# Copyright 2018 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::linux::local::mode::memory;
|
|
|
|
use base qw(centreon::plugins::mode);
|
|
|
|
use strict;
|
|
use warnings;
|
|
use centreon::plugins::misc;
|
|
|
|
sub new {
|
|
my ($class, %options) = @_;
|
|
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
|
|
bless $self, $class;
|
|
|
|
$self->{version} = '1.0';
|
|
$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 => 'cat' },
|
|
"command-path:s" => { name => 'command_path' },
|
|
"command-options:s" => { name => 'command_options', default => '/proc/meminfo 2>&1' },
|
|
"warning:s" => { name => 'warning', },
|
|
"critical:s" => { name => 'critical', },
|
|
});
|
|
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} . "'.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
}
|
|
|
|
sub run {
|
|
my ($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});
|
|
|
|
# Buffer can be missing. In Openvz container for example.
|
|
my $buffer_used = 0;
|
|
my ($cached_used, $free, $total_size);
|
|
foreach (split(/\n/, $stdout)) {
|
|
if (/^MemTotal:\s+(\d+)/i) {
|
|
$total_size = $1 * 1024;
|
|
} elsif (/^Cached:\s+(\d+)/i) {
|
|
$cached_used = $1 * 1024;
|
|
} elsif (/^Buffers:\s+(\d+)/i) {
|
|
$buffer_used = $1 * 1024;
|
|
} elsif (/^MemFree:\s+(\d+)/i) {
|
|
$free = $1 * 1024;
|
|
}
|
|
}
|
|
|
|
if (!defined($total_size) || !defined($cached_used) || !defined($free)) {
|
|
$self->{output}->add_option_msg(short_msg => "Some informations missing.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
|
|
my $physical_used = $total_size - $free;
|
|
my $nobuf_used = $physical_used - $buffer_used - $cached_used;
|
|
|
|
my $prct_used = $nobuf_used * 100 / $total_size;
|
|
my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
|
|
|
|
my ($nobuf_value, $nobuf_unit) = $self->{perfdata}->change_bytes(value => $nobuf_used);
|
|
my ($buffer_value, $buffer_unit) = $self->{perfdata}->change_bytes(value => $buffer_used);
|
|
my ($cached_value, $cached_unit) = $self->{perfdata}->change_bytes(value => $cached_used);
|
|
|
|
$self->{output}->output_add(severity => $exit,
|
|
short_msg => sprintf("Ram used (-buffers/cache) %s (%.2f%%), Buffer: %s, Cached: %s",
|
|
$nobuf_value . " " . $nobuf_unit, $prct_used,
|
|
$buffer_value . " " . $buffer_unit,
|
|
$cached_value . " " . $cached_unit));
|
|
|
|
$self->{output}->perfdata_add(label => "cached", unit => 'B',
|
|
value => $cached_used,
|
|
min => 0);
|
|
$self->{output}->perfdata_add(label => "buffer", unit => 'B',
|
|
value => $buffer_used,
|
|
min => 0);
|
|
$self->{output}->perfdata_add(label => "used", unit => 'B',
|
|
value => $nobuf_used,
|
|
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size),
|
|
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size),
|
|
min => 0, max => $total_size);
|
|
|
|
$self->{output}->display();
|
|
$self->{output}->exit();
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 MODE
|
|
|
|
Check physical memory (need '/proc/meminfo' file).
|
|
|
|
=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: 'cat').
|
|
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: '/proc/meminfo 2>&1').
|
|
|
|
=back
|
|
|
|
=cut
|