centreon-plugins/snmp_standard/mode/inodes.pm

278 lines
12 KiB
Perl

################################################################################
# Copyright 2005-2013 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation ; either version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <http://www.gnu.org/licenses>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an executable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting executable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
# Authors : Quentin Garnier <qgarnier@merethis.com>
#
####################################################################################
package snmp_standard::mode::inodes;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::statefile;
my $oid_dskPath = '.1.3.6.1.4.1.2021.9.1.2';
my $oid_dskPercentNode = '.1.3.6.1.4.1.2021.9.1.10';
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"reload-cache-time:s" => { name => 'reload_cache_time', default => 180 },
"name" => { name => 'use_name' },
"diskpath:s" => { name => 'diskpath' },
"regexp" => { name => 'use_regexp' },
"regexp-isensitive" => { name => 'use_regexpi' },
"display-transform-src:s" => { name => 'display_transform_src' },
"display-transform-dst:s" => { name => 'display_transform_dst' },
"show-cache" => { name => 'show_cache' },
});
$self->{diskpath_id_selected} = [];
$self->{statefile_cache} = centreon::plugins::statefile->new(%options);
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();
}
$self->{statefile_cache}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
# $options{snmp} = snmp object
$self->{snmp} = $options{snmp};
$self->{hostname} = $self->{snmp}->get_hostname();
$self->{snmp_port} = $self->{snmp}->get_port();
$self->manage_selection();
$self->{snmp}->load(oids => [$oid_dskPercentNode], instances => $self->{diskpath_id_selected});
my $result = $self->{snmp}->get_leef(nothing_quit => 1);
if (!defined($self->{option_results}->{diskpath}) || defined($self->{option_results}->{use_regexp})) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'All inode partitions are ok.');
}
foreach (sort @{$self->{diskpath_id_selected}}) {
my $name_diskpath = $self->get_display_value(id => $_);
my $prct_used = $result->{$oid_dskPercentNode . '.' . $_};
my $prct_free = 100 - $prct_used;
my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(long_msg => sprintf("Inodes partition '%s' Used: %s %% Free: %s %%",
$name_diskpath, $prct_used, $prct_free));
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || (defined($self->{option_results}->{diskpath}) && !defined($self->{option_results}->{use_regexp}))) {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Inodes partition '%s' Used: %s %% Free: %s %%",
$name_diskpath, $prct_used, $prct_free));
}
my $label = 'used';
my $extra_label = '';
$extra_label = '_' . $name_diskpath if (!defined($self->{option_results}->{diskpath}) || defined($self->{option_results}->{use_regexp}));
$self->{output}->perfdata_add(label => $label . $extra_label, unit => '%',
value => $prct_used,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0, max => 100);
}
$self->{output}->display();
$self->{output}->exit();
}
sub reload_cache {
my ($self) = @_;
my $datas = {};
my $result = $self->{snmp}->get_table(oid => $oid_dskPath);
$datas->{last_timestamp} = time();
$datas->{all_ids} = [];
foreach my $key ($self->{snmp}->oid_lex_sort(keys %$result)) {
next if ($key !~ /\.([0-9]+)$/);
push @{$datas->{all_ids}}, $1;
$datas->{'dskPath_' . $1} = $self->{output}->to_utf8($result->{$key});
}
if (scalar(@{$datas->{all_ids}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "Can't construct cache...");
$self->{output}->option_exit();
}
$self->{statefile_cache}->write(data => $datas);
}
sub manage_selection {
my ($self, %options) = @_;
# init cache file
my $has_cache_file = $self->{statefile_cache}->read(statefile => 'cache_snmpstandard_' . $self->{hostname} . '_' . $self->{snmp_port} . '_' . $self->{mode});
if (defined($self->{option_results}->{show_cache})) {
$self->{output}->add_option_msg(long_msg => $self->{statefile_cache}->get_string_content());
$self->{output}->option_exit();
}
my $timestamp_cache = $self->{statefile_cache}->get(name => 'last_timestamp');
if ($has_cache_file == 0 || !defined($timestamp_cache) ||
((time() - $timestamp_cache) > (($self->{option_results}->{reload_cache_time}) * 60))) {
$self->reload_cache();
$self->{statefile_cache}->read();
}
my $all_ids = $self->{statefile_cache}->get(name => 'all_ids');
if (!defined($self->{option_results}->{use_name}) && defined($self->{option_results}->{diskpath})) {
# get by ID
push @{$self->{diskpath_id_selected}}, $self->{option_results}->{diskpath};
my $name = $self->{statefile_cache}->get(name => 'dskPath_' . $self->{option_results}->{diskpath});
if (!defined($name)) {
$self->{output}->add_option_msg(short_msg => "No disk path found for id '" . $self->{option_results}->{diskpath} . "'.");
$self->{output}->option_exit();
}
} else {
foreach my $i (@{$all_ids}) {
my $filter_name = $self->{statefile_cache}->get(name => 'dskPath_' . $i);
next if (!defined($filter_name));
if (!defined($self->{option_results}->{diskpath})) {
push @{$self->{diskpath_id_selected}}, $i;
next;
}
if (defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi}) && $filter_name =~ /$self->{option_results}->{diskpath}/i) {
push @{$self->{diskpath_id_selected}}, $i;
}
if (defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $filter_name =~ /$self->{option_results}->{diskpath}/) {
push @{$self->{diskpath_id_selected}}, $i;
}
if (!defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $filter_name eq $self->{option_results}->{diskpath}) {
push @{$self->{diskpath_id_selected}}, $i;
}
}
if (scalar(@{$self->{diskpath_id_selected}}) <= 0) {
if (defined($self->{option_results}->{diskpath})) {
$self->{output}->add_option_msg(short_msg => "No disk path found for name '" . $self->{option_results}->{diskpath} . "' (maybe you should reload cache file).");
} else {
$self->{output}->add_option_msg(short_msg => "No disk path found (maybe you should reload cache file).");
}
$self->{output}->option_exit();
}
}
}
sub get_display_value {
my ($self, %options) = @_;
my $value = $self->{statefile_cache}->get(name => 'dskPath_' . $options{id});
if (defined($self->{option_results}->{display_transform_src})) {
$self->{option_results}->{display_transform_dst} = '' if (!defined($self->{option_results}->{display_transform_dst}));
eval "\$value =~ s{$self->{option_results}->{display_transform_src}}{$self->{option_results}->{display_transform_dst}}";
}
return $value;
}
1;
__END__
=head1 MODE
Check Inodes space usage on partitions.
Need to enable "includeAllDisks 10%" on snmpd.conf.
=over 8
=item B<--warning>
Threshold warning in percent.
=item B<--critical>
Threshold critical in percent.
=item B<--diskpath>
Set the disk path (number expected) ex: 1, 2,... (empty means 'check all disks path').
=item B<--name>
Allows to use disk path name with option --diskpath instead of disk path oid index.
=item B<--regexp>
Allows to use regexp to filter diskpath (with option --name).
=item B<--regexp-isensitive>
Allows to use regexp non case-sensitive (with --regexp).
=item B<--reload-cache-time>
Time in seconds before reloading cache file (default: 180).
=item B<--display-transform-src>
Regexp src to transform display value. (security risk!!!)
=item B<--display-transform-dst>
Regexp dst to transform display value. (security risk!!!)
=item B<--show-cache>
Display cache storage datas.
=back
=cut