453 lines
20 KiB
Perl
453 lines
20 KiB
Perl
#
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# Copyright 2016 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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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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'hrfsstorageindex' => '.1.3.6.1.2.1.25.3.8.1.7',
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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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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"units:s" => { name => 'units', default => '%' },
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"free" => { name => 'free' },
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"reload-cache-time:s" => { name => 'reload_cache_time', default => 180 },
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"name" => { name => 'use_name' },
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"storage:s" => { name => 'storage' },
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"regexp" => { name => 'use_regexp' },
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"regexp-isensitive" => { name => 'use_regexpi' },
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"oid-filter:s" => { name => 'oid_filter', default => 'hrStorageDescr'},
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"oid-display:s" => { name => 'oid_display', default => 'hrStorageDescr'},
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"display-transform-src:s" => { name => 'display_transform_src' },
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"display-transform-dst:s" => { name => 'display_transform_dst' },
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"show-cache" => { name => 'show_cache' },
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"space-reservation:s" => { name => 'space_reservation' },
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"filter-storage-type:s" => { name => 'filter_storage_type', default => '^(hrStorageFixedDisk|hrStorageNetworkDisk|hrFSBerkeleyFFS)$' },
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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 ($self, %options) = @_;
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$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],
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instances => $self->{storage_id_selected}, nothing_quit => 1);
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my $result = $self->{snmp}->get_leef();
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my $multiple = 0;
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if (scalar(@{$self->{storage_id_selected}}) > 1) {
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$multiple = 1;
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}
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if ($multiple == 1) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All storages are ok.');
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}
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foreach (sort @{$self->{storage_id_selected}}) {
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my $name_storage = $self->get_display_value(id => $_);
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if (!defined($result->{$oid_hrStorageAllocationUnits . "." . $_})) {
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if ($multiple == 0) {
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$self->{output}->add_option_msg(severity => 'UNKNOWN',
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short_msg => sprintf("Skipping storage '%s': not found (need to reload the cache)",
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$name_storage));
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} else {
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$self->{output}->add_option_msg(long_msg => sprintf("Skipping storage '%s': not found (need to reload the cache)",
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$name_storage));
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}
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next;
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}
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# in bytes hrStorageAllocationUnits
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my $total_size = $result->{$oid_hrStorageSize . "." . $_} * $result->{$oid_hrStorageAllocationUnits . "." . $_};
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if ($total_size <= 0) {
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if ($multiple == 0) {
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$self->{output}->add_option_msg(severity => 'UNKNOWN',
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short_msg => sprintf("Skipping storage '%s': total size is <= 0 (%s)",
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$name_storage, int($total_size)));
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} else {
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$self->{output}->add_option_msg(long_msg => sprintf("Skipping storage '%s': total size is <= 0 (%s)",
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$name_storage, int($total_size)));
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}
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next;
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}
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my $reserved_value = 0;
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if (defined($self->{option_results}->{space_reservation})) {
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$reserved_value = $self->{option_results}->{space_reservation} * $total_size / 100;
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}
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my $total_used = $result->{$oid_hrStorageUsed . "." . $_} * $result->{$oid_hrStorageAllocationUnits . "." . $_};
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my $total_free = $total_size - $total_used - $reserved_value;
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my $prct_used = $total_used * 100 / ($total_size - $reserved_value);
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my $prct_free = 100 - $prct_used;
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# limit to 100. Better output.
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if ($prct_used > 100) {
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$total_free = 0;
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$prct_used = 100;
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$prct_free = 0;
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}
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my ($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 => $total_free);
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$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 => $exit, compare => 'ok', litteral => 1) || ($multiple == 0)) {
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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 = '_' . $name_storage if ($multiple == 1);
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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 - $reserved_value;
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$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 => $self->{perfdata}->get_perfdata_for_output(label => 'critical', %total_options),
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min => 0, max => int($total_size - $reserved_value));
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}
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$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->{last_timestamp} = time();
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$datas->{all_ids} = [];
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my $request = [ { oid => $oids_hrStorageTable{hrstoragetype} } ];
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my $added = {};
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foreach (($self->{option_results}->{oid_filter}, $self->{option_results}->{oid_display} )) {
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next if (defined($added->{$_}));
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$added->{$_} = 1;
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if (/hrFSMountPoint/i) {
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push @{$request}, ({ oid => $oids_hrStorageTable{hrfsmountpoint} }, { oid => $oids_hrStorageTable{hrfsstorageindex} });
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} else {
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push @{$request}, { oid => $oids_hrStorageTable{hrstoragedescr} };
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}
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}
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my $result = $self->{snmp}->get_multiple_table(oids => $request);
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foreach ((['filter', $self->{option_results}->{oid_filter}], ['display', $self->{option_results}->{oid_display}], ['type', 'hrstoragetype'])) {
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foreach my $key ($self->{snmp}->oid_lex_sort(keys %{$result->{ $oids_hrStorageTable{$$_[1]} }})) {
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next if ($key !~ /\.([0-9]+)$/);
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# get storage index
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my $storage_index = $1;
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if ($$_[1] =~ /hrFSMountPoint/i) {
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$storage_index = $result->{ $oids_hrStorageTable{hrfsstorageindex} }->{$oids_hrStorageTable{hrfsstorageindex} . '.' . $storage_index};
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}
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if ($$_[0] eq 'filter') {
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push @{$datas->{all_ids}}, $storage_index;
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}
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$datas->{$$_[1] . "_" . $storage_index} = $self->{output}->to_utf8($result->{ $oids_hrStorageTable{$$_[1]} }->{$key});
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}
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}
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if (scalar(@{$datas->{all_ids}}) <= 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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$self->{statefile_cache}->write(data => $datas);
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}
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sub filter_type {
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my ($self, %options) = @_;
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my $storage_type = $self->{statefile_cache}->get(name => "hrstoragetype_" . $options{id});
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if (defined($storage_type) &&
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($storage_types_manage{$storage_type} =~ /$self->{option_results}->{filter_storage_type}/i)) {
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return 1;
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}
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return 0;
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}
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sub manage_selection {
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my ($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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my $name = $self->{statefile_cache}->get(name => $self->{option_results}->{oid_filter} . "_" . $self->{option_results}->{storage});
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push @{$self->{storage_id_selected}}, $self->{option_results}->{storage} if (defined($name) && $self->filter_type(id => $self->{option_results}->{storage}));
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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}}, $i if ($self->filter_type(id => $i));
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next;
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}
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if (defined($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}}, $i if ($self->filter_type(id => $i));
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}
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if (defined($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}}, $i if ($self->filter_type(id => $i));
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}
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if (!defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $filter_name eq $self->{option_results}->{storage}) {
|
|
push @{$self->{storage_id_selected}}, $i if ($self->filter_type(id => $i));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (scalar(@{$self->{storage_id_selected}}) <= 0) {
|
|
$self->{output}->add_option_msg(short_msg => "No storage found. Can be: filters, cache file.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
}
|
|
|
|
sub get_display_value {
|
|
my ($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 $value;
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 MODE
|
|
|
|
=over 8
|
|
|
|
=item B<--warning>
|
|
|
|
Threshold warning.
|
|
|
|
=item B<--critical>
|
|
|
|
Threshold critical.
|
|
|
|
=item B<--units>
|
|
|
|
Units of thresholds (Default: '%') ('%', 'B').
|
|
|
|
=item B<--free>
|
|
|
|
Thresholds are on free space left.
|
|
|
|
=item B<--storage>
|
|
|
|
Set the storage (number expected) ex: 1, 2,... (empty means 'check all storage').
|
|
|
|
=item B<--name>
|
|
|
|
Allows to use storage name with option --storage instead of storage oid index.
|
|
|
|
=item B<--regexp>
|
|
|
|
Allows to use regexp to filter storage (with option --name).
|
|
|
|
=item B<--regexp-isensitive>
|
|
|
|
Allows to use regexp non case-sensitive (with --regexp).
|
|
|
|
=item B<--reload-cache-time>
|
|
|
|
Time in seconds before reloading cache file (default: 180).
|
|
|
|
=item B<--oid-filter>
|
|
|
|
Choose OID used to filter storage (default: hrStorageDescr) (values: hrStorageDescr, hrFSMountPoint).
|
|
|
|
=item B<--oid-display>
|
|
|
|
Choose OID used to display storage (default: hrStorageDescr) (values: hrStorageDescr, hrFSMountPoint).
|
|
|
|
=item B<--display-transform-src>
|
|
|
|
Regexp src to transform display value. (security risk!!!)
|
|
|
|
=item B<--display-transform-dst>
|
|
|
|
Regexp dst to transform display value. (security risk!!!)
|
|
|
|
=item B<--show-cache>
|
|
|
|
Display cache storage datas.
|
|
|
|
=item B<--space-reservation>
|
|
|
|
Some filesystem has space reserved (like ext4 for root).
|
|
The value is in percent of total (Default: none) (results like 'df' command).
|
|
|
|
=item B<--filter-storage-type>
|
|
|
|
Filter storage types with a regexp (Default: '^(hrStorageFixedDisk|hrStorageNetworkDisk|hrFSBerkeleyFFS)$').
|
|
|
|
=back
|
|
|
|
=cut
|