430 lines
19 KiB
Perl
430 lines
19 KiB
Perl
################################################################################
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# Copyright 2005-2013 MERETHIS
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# Centreon is developped by : Julien Mathis and Romain Le Merlus under
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# GPL Licence 2.0.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation ; either version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, see <http://www.gnu.org/licenses>.
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#
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# Linking this program statically or dynamically with other modules is making a
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# combined work based on this program. Thus, the terms and conditions of the GNU
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# General Public License cover the whole combination.
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#
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# As a special exception, the copyright holders of this program give MERETHIS
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# permission to link this program with independent modules to produce an executable,
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# regardless of the license terms of these independent modules, and to copy and
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# distribute the resulting executable under terms of MERETHIS choice, provided that
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# MERETHIS also meet, for each linked independent module, the terms and conditions
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# of the license of that module. An independent module is a module which is not
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# derived from this program. If you modify this program, you may extend this
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# exception to your version of the program, but you are not obliged to do so. If you
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# do not wish to do so, delete this exception statement from your version.
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#
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# For more information : contact@centreon.com
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# Authors : Quentin Garnier <qgarnier@merethis.com>
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#
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####################################################################################
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package snmp_standard::mode::storage;
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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::statefile;
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use Digest::MD5 qw(md5_hex);
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my %oids_hrStorageTable = (
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'hrstoragedescr' => '.1.3.6.1.2.1.25.2.3.1.3',
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'hrfsmountpoint' => '.1.3.6.1.2.1.25.3.8.1.2',
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'hrstoragetype' => '.1.3.6.1.2.1.25.2.3.1.2',
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);
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my %storage_types_manage = (
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'.1.3.6.1.2.1.25.2.1.1' => 'hrStorageOther',
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'.1.3.6.1.2.1.25.2.1.2' => 'hrStorageRam',
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'.1.3.6.1.2.1.25.2.1.3' => 'hrStorageVirtualMemory',
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'.1.3.6.1.2.1.25.2.1.4' => 'hrStorageFixedDisk',
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'.1.3.6.1.2.1.25.2.1.5' => 'hrStorageRemovableDisk',
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'.1.3.6.1.2.1.25.2.1.6' => 'hrStorageFloppyDisk',
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'.1.3.6.1.2.1.25.2.1.7' => 'hrStorageCompactDisc',
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'.1.3.6.1.2.1.25.2.1.8' => 'hrStorageRamDisk',
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'.1.3.6.1.2.1.25.2.1.9' => 'hrStorageFlashMemory',
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'.1.3.6.1.2.1.25.2.1.10' => 'hrStorageNetworkDisk',
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'.1.3.6.1.2.1.25.3.9.1' => 'hrFSOther',
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'.1.3.6.1.2.1.25.3.9.2' => 'hrFSUnknown',
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'.1.3.6.1.2.1.25.3.9.3' => 'hrFSBerkeleyFFS', # For Freebsd
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'.1.3.6.1.2.1.25.3.9.4' => 'hrFSSys5FS',
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'.1.3.6.1.2.1.25.3.9.5' => 'hrFSFat',
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'.1.3.6.1.2.1.25.3.9.6' => 'hrFSHPFS',
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'.1.3.6.1.2.1.25.3.9.7' => 'hrFSHFS',
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'.1.3.6.1.2.1.25.3.9.8' => 'hrFSMFS',
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'.1.3.6.1.2.1.25.3.9.9' => 'hrFSNTFS',
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'.1.3.6.1.2.1.25.3.9.10' => 'hrFSVNode',
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'.1.3.6.1.2.1.25.3.9.11' => 'hrFSJournaled',
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'.1.3.6.1.2.1.25.3.9.12' => 'hrFSiso9660',
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'.1.3.6.1.2.1.25.3.9.13' => 'hrFSRockRidge',
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'.1.3.6.1.2.1.25.3.9.14' => 'hrFSNFS',
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'.1.3.6.1.2.1.25.3.9.15' => 'hrFSNetware',
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'.1.3.6.1.2.1.25.3.9.16' => 'hrFSAFS',
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'.1.3.6.1.2.1.25.3.9.17' => 'hrFSDFS',
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'.1.3.6.1.2.1.25.3.9.18' => 'hrFSAppleshare',
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'.1.3.6.1.2.1.25.3.9.19' => 'hrFSRFS',
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'.1.3.6.1.2.1.25.3.9.20' => 'hrFSDGCFS',
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'.1.3.6.1.2.1.25.3.9.21' => 'hrFSBFS',
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'.1.3.6.1.2.1.25.3.9.22' => 'hrFSFAT32',
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'.1.3.6.1.2.1.25.3.9.23' => 'hrFSLinuxExt2',
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);
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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, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"units:s" => { name => 'units', default => '%' },
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"free" => { name => 'free' },
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"reload-cache-time:s" => { name => 'reload_cache_time' },
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"name" => { name => 'use_name' },
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"storage:s" => { name => 'storage' },
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"regexp" => { name => 'use_regexp' },
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"regexp-isensitive" => { name => 'use_regexpi' },
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"oid-filter:s" => { name => 'oid_filter', default => 'hrStorageDescr'},
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"oid-display:s" => { name => 'oid_display', default => 'hrStorageDescr'},
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"display-transform-src:s" => { name => 'display_transform_src' },
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"display-transform-dst:s" => { name => 'display_transform_dst' },
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"show-cache" => { name => 'show_cache' },
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"space-reservation:s" => { name => 'space_reservation' },
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"filter-storage-type:s" => { name => 'filter_storage_type', default => '^(hrStorageFixedDisk|hrStorageNetworkDisk|hrFSBerkeleyFFS)$' },
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});
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$self->{storage_id_selected} = [];
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$self->{statefile_cache} = centreon::plugins::statefile->new(%options);
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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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if (defined($self->{option_results}->{space_reservation}) &&
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($self->{option_results}->{space_reservation} < 0 || $self->{option_results}->{space_reservation} > 100)) {
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$self->{output}->add_option_msg(short_msg => "Space reservation argument must be between 0 and 100 percent.");
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$self->{output}->option_exit();
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}
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$self->{option_results}->{oid_filter} = lc($self->{option_results}->{oid_filter});
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if ($self->{option_results}->{oid_filter} !~ /^(hrstoragedescr|hrfsmountpoint)$/) {
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$self->{output}->add_option_msg(short_msg => "Unsupported --oid-filter option.");
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$self->{output}->option_exit();
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}
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$self->{option_results}->{oid_display} = lc($self->{option_results}->{oid_display});
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if ($self->{option_results}->{oid_display} !~ /^(hrstoragedescr|hrfsmountpoint)$/) {
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$self->{output}->add_option_msg(short_msg => "Unsupported --oid-display option.");
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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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}
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sub run {
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my ($self, %options) = @_;
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# $options{snmp} = snmp object
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$self->{snmp} = $options{snmp};
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$self->{hostname} = $self->{snmp}->get_hostname();
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$self->{snmp_port} = $self->{snmp}->get_port();
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$self->manage_selection();
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my $oid_hrStorageAllocationUnits = '.1.3.6.1.2.1.25.2.3.1.4';
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my $oid_hrStorageSize = '.1.3.6.1.2.1.25.2.3.1.5';
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my $oid_hrStorageUsed = '.1.3.6.1.2.1.25.2.3.1.6';
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my $oid_hrStorageType = '.1.3.6.1.2.1.25.2.3.1.2';
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$self->{snmp}->load(oids => [$oid_hrStorageAllocationUnits, $oid_hrStorageSize, $oid_hrStorageUsed], instances => $self->{storage_id_selected});
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my $result = $self->{snmp}->get_leef();
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if (!defined($self->{option_results}->{storage}) || defined($self->{option_results}->{use_regexp})) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All storages are ok.');
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}
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my $num_disk_check = 0;
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foreach (sort @{$self->{storage_id_selected}}) {
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# Skipped disks
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my $storage_type = $self->{statefile_cache}->get(name => "type_" . $_);
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next if (!defined($storage_type) ||
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($storage_types_manage{$storage_type} !~ /$self->{option_results}->{filter_storage_type}/i));
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my $name_storage = $self->get_display_value(id => $_);
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$num_disk_check++;
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# in bytes hrStorageAllocationUnits
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my $total_size = $result->{$oid_hrStorageSize . "." . $_} * $result->{$oid_hrStorageAllocationUnits . "." . $_};
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if (defined($self->{option_results}->{space_reservation})) {
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$total_size = $total_size - ($self->{option_results}->{space_reservation} * $total_size / 100);
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}
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next if ($total_size == 0);
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my $total_used = $result->{$oid_hrStorageUsed . "." . $_} * $result->{$oid_hrStorageAllocationUnits . "." . $_};
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my $total_free = $total_size - $total_used;
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my $prct_used = $total_used * 100 / $total_size;
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my $prct_free = 100 - $prct_used;
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my ($exit, $threshold_value);
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$threshold_value = $total_used;
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$threshold_value = $total_free if (defined($self->{option_results}->{free}));
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if ($self->{option_results}->{units} eq '%') {
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$threshold_value = $prct_used;
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$threshold_value = $prct_free if (defined($self->{option_results}->{free}));
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}
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$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $total_used);
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my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $total_used));
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$self->{output}->output_add(long_msg => sprintf("Storage '%s' Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $name_storage,
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$total_size_value . " " . $total_size_unit,
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$total_used_value . " " . $total_used_unit, $prct_used,
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$total_free_value . " " . $total_free_unit, $prct_free));
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if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || (defined($self->{option_results}->{storage}) && !defined($self->{option_results}->{use_regexp}))) {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Storage '%s' Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $name_storage,
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$total_size_value . " " . $total_size_unit,
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$total_used_value . " " . $total_used_unit, $prct_used,
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$total_free_value . " " . $total_free_unit, $prct_free));
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}
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my $label = 'used';
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my $value_perf = $total_used;
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if (defined($self->{option_results}->{free})) {
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$label = 'free';
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$value_perf = $total_free;
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}
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my $extra_label = '';
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$extra_label = '_' . $name_storage if (!defined($self->{option_results}->{storage}) || defined($self->{option_results}->{use_regexp}));
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my %total_options = ();
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if ($self->{option_results}->{units} eq '%') {
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$total_options{total} = $total_size;
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$total_options{cast_int} = 1;
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}
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$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
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value => $value_perf,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', %total_options),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', %total_options),
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min => 0, max => $total_size);
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}
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if ($num_disk_check == 0) {
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$self->{output}->add_option_msg(short_msg => "Not a disk with a good 'type'.");
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$self->{output}->option_exit();
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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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sub reload_cache {
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my ($self) = @_;
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my $datas = {};
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$datas->{oid_filter} = $self->{option_results}->{oid_filter};
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$datas->{oid_display} = $self->{option_results}->{oid_display};
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$datas->{all_ids} = [];
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my $result = $self->{snmp}->get_table(oid => $oids_hrStorageTable{$self->{option_results}->{oid_filter}});
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foreach my $key ($self->{snmp}->oid_lex_sort(keys %$result)) {
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next if ($key !~ /\.([0-9]+)$/);
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push @{$datas->{all_ids}}, $1;
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$datas->{$self->{option_results}->{oid_filter} . "_" . $1} = $self->{output}->to_utf8($result->{$key});
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}
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if (scalar(keys %$datas) <= 0) {
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$self->{output}->add_option_msg(short_msg => "Can't construct cache...");
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$self->{output}->option_exit();
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}
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if ($self->{option_results}->{oid_filter} ne $self->{option_results}->{oid_display}) {
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$result = $self->{snmp}->get_table(oid => $oids_hrStorageTable{$self->{option_results}->{oid_display}});
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foreach my $key ($self->{snmp}->oid_lex_sort(keys %$result)) {
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next if ($key !~ /\.([0-9]+)$/);
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$datas->{$self->{option_results}->{oid_display} . "_" . $1} = $self->{output}->to_utf8($result->{$key});
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}
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}
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$result = $self->{snmp}->get_table(oid => $oids_hrStorageTable{hrstoragetype});
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foreach my $key ($self->{snmp}->oid_lex_sort(keys %$result)) {
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next if ($key !~ /\.([0-9]+)$/);
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$datas->{"type_" . $1} = $result->{$key};
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}
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$self->{statefile_cache}->write(data => $datas);
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}
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sub manage_selection {
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my ($self, %options) = @_;
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# init cache file
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my $has_cache_file = $self->{statefile_cache}->read(statefile => 'cache_snmpstandard_' . $self->{hostname} . '_' . $self->{snmp_port} . '_' . $self->{mode});
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if (defined($self->{option_results}->{show_cache})) {
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$self->{output}->add_option_msg(long_msg => $self->{statefile_cache}->get_string_content());
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$self->{output}->option_exit();
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}
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my $timestamp_cache = $self->{statefile_cache}->get(name => 'last_timestamp');
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my $oid_display = $self->{statefile_cache}->get(name => 'oid_display');
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my $oid_filter = $self->{statefile_cache}->get(name => 'oid_filter');
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if ($has_cache_file == 0 ||
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($self->{option_results}->{oid_display} !~ /^($oid_display|$oid_filter)$/i || $self->{option_results}->{oid_filter} !~ /^($oid_display|$oid_filter)$/i) ||
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(defined($timestamp_cache) && (time() - $timestamp_cache) > (($self->{option_results}->{reload_cache_time}) * 60))) {
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$self->reload_cache();
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$self->{statefile_cache}->read();
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}
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my $all_ids = $self->{statefile_cache}->get(name => 'all_ids');
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if (!defined($self->{option_results}->{use_name}) && defined($self->{option_results}->{storage})) {
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# get by ID
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push @{$self->{storage_id_selected}}, $self->{option_results}->{storage};
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my $name = $self->{statefile_cache}->get(name => $self->{option_results}->{oid_display} . "_" . $self->{option_results}->{storage});
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if (!defined($name)) {
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$self->{output}->add_option_msg(short_msg => "No storage found for id '" . $self->{option_results}->{storage} . "'.");
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$self->{output}->option_exit();
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}
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} else {
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foreach my $i (@{$all_ids}) {
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my $filter_name = $self->{statefile_cache}->get(name => $self->{option_results}->{oid_filter} . "_" . $i);
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next if (!defined($filter_name));
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if (!defined($self->{option_results}->{storage})) {
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push @{$self->{storage_id_selected}}, $i;
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next;
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}
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if (defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi}) && $filter_name =~ /$self->{option_results}->{storage}/i) {
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push @{$self->{storage_id_selected}}, $i;
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}
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if (defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $filter_name =~ /$self->{option_results}->{storage}/) {
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push @{$self->{storage_id_selected}}, $i;
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}
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if (!defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $filter_name eq $self->{option_results}->{storage}) {
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push @{$self->{storage_id_selected}}, $i;
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}
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}
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if (scalar(@{$self->{storage_id_selected}}) <= 0) {
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if (defined($self->{option_results}->{storage})) {
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$self->{output}->add_option_msg(short_msg => "No storage found for name '" . $self->{option_results}->{storage} . "' (maybe you should reload cache file).");
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} else {
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$self->{output}->add_option_msg(short_msg => "No storage found (maybe you should reload cache file).");
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}
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$self->{output}->option_exit();
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}
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}
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}
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sub get_display_value {
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my ($self, %options) = @_;
|
|
my $value = $self->{statefile_cache}->get(name => $self->{option_results}->{oid_display} . "_" . $options{id});
|
|
|
|
if (defined($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 $value;
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 MODE
|
|
|
|
=over 8
|
|
|
|
=item B<--warning>
|
|
|
|
Threshold warning.
|
|
|
|
=item B<--critical>
|
|
|
|
Threshold critical.
|
|
|
|
=item B<--units>
|
|
|
|
Units of thresholds (Default: '%') ('%', 'B').
|
|
|
|
=item B<--free>
|
|
|
|
Thresholds are on free space left.
|
|
|
|
=item B<--storage>
|
|
|
|
Set the storage (number expected) ex: 1, 2,... (empty means 'check all storage').
|
|
|
|
=item B<--name>
|
|
|
|
Allows to use storage name with option --storage instead of storage oid index.
|
|
|
|
=item B<--regexp>
|
|
|
|
Allows to use regexp to filter storage (with option --name).
|
|
|
|
=item B<--regexp-isensitive>
|
|
|
|
Allows to use regexp non case-sensitive (with --regexp).
|
|
|
|
=item B<--reload-cache-time>
|
|
|
|
Time in seconds before reloading cache file (default: 180).
|
|
|
|
=item B<--oid-filter>
|
|
|
|
Choose OID used to filter storage (default: hrStorageDescr) (values: hrStorageDescr, hrFSRemoteMountPoint).
|
|
|
|
=item B<--oid-display>
|
|
|
|
Choose OID used to display storage (default: hrStorageDescr) (values: hrStorageDescr, hrFSRemoteMountPoint).
|
|
|
|
=item B<--display-transform-src>
|
|
|
|
Regexp src to transform display value. (security risk!!!)
|
|
|
|
=item B<--display-transform-dst>
|
|
|
|
Regexp dst to transform display value. (security risk!!!)
|
|
|
|
=item B<--show-cache>
|
|
|
|
Display cache storage datas.
|
|
|
|
=item B<--space-reservation>
|
|
|
|
Some filesystem has space reserved (like ext4 for root).
|
|
The value is in percent of total (Default: none).
|
|
|
|
=item B<--filter-storage-type>
|
|
|
|
Filter storage types with a regexp (Default: '^(hrStorageFixedDisk|hrStorageNetworkDisk|hrFSBerkeleyFFS)$').
|
|
|
|
=back
|
|
|
|
=cut
|