This commit is contained in:
Quentin Garnier 2014-03-03 16:56:36 +01:00
parent b769fbb89b
commit 8f1c426f60
4 changed files with 374 additions and 2 deletions

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@ -0,0 +1,344 @@
################################################################################
# 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::diskusage;
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_dskTotalLow = '.1.3.6.1.4.1.2021.9.1.11'; # in kB
my $oid_dskTotalHigh = '.1.3.6.1.4.1.2021.9.1.12'; # in kB
my $oid_dskUsedLow = '.1.3.6.1.4.1.2021.9.1.15'; # in kB
my $oid_dskUsedHigh = '.1.3.6.1.4.1.2021.9.1.16'; # in kB
sub new {
my ($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' },
"units:s" => { name => 'units', default => '%' },
"free" => { name => 'free' },
"reload-cache-time:s" => { name => 'reload_cache_time' },
"diskpath:s" => { name => 'diskpath' },
"name" => { name => 'use_name' },
"regexp" => { name => 'use_regexp' },
"regexp-isensitive" => { name => 'use_regexpi' },
"space-reservation:s" => { name => 'space_reservation' },
"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} . "'.");
$self->{output}->option_exit();
}
if (defined($self->{option_results}->{space_reservation}) &&
($self->{option_results}->{space_reservation} < 0 || $self->{option_results}->{space_reservation} > 100)) {
$self->{output}->add_option_msg(short_msg => "Space reservation argument must be between 0 and 100 percent.");
$self->{output}->option_exit();
}
$self->{statefile_cache}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
# $options{snmp} = snmp object
$self->{snmp} = $options{snmp};
$self->{snmp_port} = $self->{snmp}->get_port();
$self->{hostname} = $self->{snmp}->get_hostname();
$self->manage_selection();
$self->{snmp}->load(oids => [$oid_dskTotalLow, $oid_dskTotalHigh,
$oid_dskUsedLow, $oid_dskUsedHigh], instances => $self->{diskpath_id_selected});
my $result = $self->{snmp}->get_leef(nothing_quit => 1);
my $num_disk_check = 0;
foreach (sort @{$self->{diskpath_id_selected}}) {
my $name_diskpath = $self->get_display_value(id => $_);
# in bytes hrStorageAllocationUnits
my $total_size = (($result->{$oid_dskTotalHigh . "." . $_} << 32) + $result->{$oid_dskTotalLow . "." . $_}) * 1024;
if (defined($self->{option_results}->{space_reservation})) {
$total_size = $total_size - ($self->{option_results}->{space_reservation} * $total_size / 100);
}
if ($total_size == 0) {
$self->{output}->output_add(long_msg => sprintf("Skipping partition '%s' (total size is 0)", $name_diskpath));
next;
}
$num_disk_check++;
my $total_used = (($result->{$oid_dskUsedHigh . "." . $_} << 32) + $result->{$oid_dskUsedLow . "." . $_}) * 1024;
my $total_free = $total_size - $total_used;
my $prct_used = $total_used * 100 / $total_size;
my $prct_free = 100 - $prct_used;
my ($exit, $threshold_value);
$threshold_value = $total_used;
$threshold_value = $total_free if (defined($self->{option_results}->{free}));
if ($self->{option_results}->{units} eq '%') {
$threshold_value = $prct_used;
$threshold_value = $prct_free if (defined($self->{option_results}->{free}));
}
$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $total_size);
my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $total_used);
my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $total_used));
$self->{output}->output_add(long_msg => sprintf("Partition '%s' Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $name_diskpath,
$total_size_value . " " . $total_size_unit,
$total_used_value . " " . $total_used_unit, $prct_used,
$total_free_value . " " . $total_free_unit, $prct_free));
if (!$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("Partition '%s' Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $name_diskpath,
$total_size_value . " " . $total_size_unit,
$total_used_value . " " . $total_used_unit, $prct_used,
$total_free_value . " " . $total_free_unit, $prct_free));
}
my $label = 'used';
my $value_perf = $total_used;
if (defined($self->{option_results}->{free})) {
$label = 'free';
$value_perf = $total_free;
}
my $extra_label = '';
$extra_label = '_' . $name_diskpath if (!defined($self->{option_results}->{diskpath}) || defined($self->{option_results}->{use_regexp}));
my %total_options = ();
if ($self->{option_results}->{units} eq '%') {
$total_options{total} = $total_size;
$total_options{cast_int} = 1;
}
$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
value => $value_perf,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', %total_options),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', %total_options),
min => 0, max => $total_size);
}
if (!defined($self->{option_results}->{diskpath}) || defined($self->{option_results}->{use_regexp})) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'All partitions are ok.');
} elsif ($num_disk_check == 0) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'No usage for partition.');
}
$self->{output}->display();
$self->{output}->exit();
}
sub reload_cache {
my ($self) = @_;
my $datas = {};
my $result = $self->{snmp}->get_table(oid => $oid_dskPath);
$datas->{all_ids} = [];
my $last_num = 0;
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->{$key});
}
if (scalar(keys %$datas) <= 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 usage on partitions (UCD-SNMP-MIB).
Need to enable "includeAllDisk 10%" on snmpd.conf.
=over 8
=item B<--warning>
Threshold warning.
=item B<--critical>
Threshold critical.
=item B<--units>
Units of thresholds (Default: '%') ('%', 'B').
=item B<--free>
Thresholds are on free space left.
=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.
=item B<--space-reservation>
Some filesystem has space reserved (like ext4 for root).
The value is in percent of total (Default: none).
=back
=cut

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@ -40,7 +40,6 @@ use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::statefile;
use Digest::MD5 qw(md5_hex);
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';

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@ -41,6 +41,8 @@ use strict;
use warnings;
my $oid_dskPath = '.1.3.6.1.4.1.2021.9.1.2';
my $oid_dskTotalLow = '.1.3.6.1.4.1.2021.9.1.11';
my $oid_dskTotalHigh = '.1.3.6.1.4.1.2021.9.1.12';
sub new {
my ($class, %options) = @_;
@ -56,6 +58,7 @@ sub new {
"regexp-isensitive" => { name => 'use_regexpi' },
"display-transform-src:s" => { name => 'display_transform_src' },
"display-transform-dst:s" => { name => 'display_transform_dst' },
"skip-total-size-zero" => { name => 'skip_total_size_zero' },
});
$self->{diskpath_id_selected} = [];
@ -74,10 +77,15 @@ sub run {
$self->{snmp} = $options{snmp};
$self->manage_selection();
my $result = $self->get_additional_information();
my $diskpath_display = '';
my $diskpath_display_append = '';
foreach (sort @{$self->{diskpath_id_selected}}) {
if (defined($result)) {
my $total_size = (($result->{$oid_dskTotalHigh . "." . $_} << 32) + $result->{$oid_dskTotalLow . "." . $_});
next if ($total_size == 0);
}
my $display_value = $self->get_display_value(id => $_);
$diskpath_display .= $diskpath_display_append . "name = $display_value [id = $_]";
@ -90,6 +98,18 @@ sub run {
$self->{output}->exit();
}
sub get_additional_information {
my ($self, %options) = @_;
if (!defined($self->{option_results}->{skip_total_size_zero})) {
return undef;
}
my $oids = [$oid_dskTotalLow, $oid_dskTotalHigh];
$self->{snmp}->load(oids => $oids, instances => $self->{diskpath_id_selected});
return $self->{snmp}->get_leef();
}
sub get_display_value {
my ($self, %options) = @_;
my $value = $self->{datas}->{'dskPath_' . $options{id}};
@ -168,7 +188,12 @@ sub disco_show {
$self->{snmp} = $options{snmp};
$self->manage_selection();
my $result = $self->get_additional_information();
foreach (sort @{$self->{diskpath_id_selected}}) {
if (defined($result)) {
my $total_size = (($result->{$oid_dskTotalHigh . "." . $_} << 32) + $result->{$oid_dskTotalLow . "." . $_});
next if ($total_size == 0);
}
my $display_value = $self->get_display_value(id => $_);
$self->{output}->add_disco_entry(name => $display_value,
@ -211,6 +236,10 @@ Regexp src to transform display value. (security risk!!!)
Regexp dst to transform display value. (security risk!!!)
=item B<--skip-total-size-zero>
Filter partitions with total size equals 0.
=back
=cut

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@ -229,7 +229,7 @@ sub run {
$total_options{total} = $total_size;
$total_options{cast_int} = 1;
}
$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'o',
$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
value => $value_perf,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', %total_options),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', %total_options),