263 lines
10 KiB
Perl
263 lines
10 KiB
Perl
#
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# Copyright 2015 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::inodes;
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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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my $oid_dskPath = '.1.3.6.1.4.1.2021.9.1.2';
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my $oid_dskPercentNode = '.1.3.6.1.4.1.2021.9.1.10';
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sub new {
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my ($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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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"reload-cache-time:s" => { name => 'reload_cache_time', default => 180 },
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"name" => { name => 'use_name' },
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"diskpath:s" => { name => 'diskpath' },
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"regexp" => { name => 'use_regexp' },
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"regexp-isensitive" => { name => 'use_regexpi' },
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"display-transform-src:s" => { name => 'display_transform_src' },
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"display-transform-dst:s" => { name => 'display_transform_dst' },
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"show-cache" => { name => 'show_cache' },
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});
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$self->{diskpath_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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$self->{statefile_cache}->check_options(%options);
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}
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sub run {
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my ($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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$self->{snmp}->load(oids => [$oid_dskPercentNode], instances => $self->{diskpath_id_selected});
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my $result = $self->{snmp}->get_leef(nothing_quit => 1);
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if (!defined($self->{option_results}->{diskpath}) || defined($self->{option_results}->{use_regexp})) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All inode partitions are ok.');
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}
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foreach (sort @{$self->{diskpath_id_selected}}) {
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my $name_diskpath = $self->get_display_value(id => $_);
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my $prct_used = $result->{$oid_dskPercentNode . '.' . $_};
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my $prct_free = 100 - $prct_used;
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my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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$self->{output}->output_add(long_msg => sprintf("Inodes partition '%s' Used: %s %% Free: %s %%",
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$name_diskpath, $prct_used, $prct_free));
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if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || (defined($self->{option_results}->{diskpath}) && !defined($self->{option_results}->{use_regexp}))) {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Inodes partition '%s' Used: %s %% Free: %s %%",
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$name_diskpath, $prct_used, $prct_free));
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}
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my $label = 'used';
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my $extra_label = '';
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$extra_label = '_' . $name_diskpath if (!defined($self->{option_results}->{diskpath}) || defined($self->{option_results}->{use_regexp}));
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$self->{output}->perfdata_add(label => $label . $extra_label, unit => '%',
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value => $prct_used,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0, max => 100);
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}
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$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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my $result = $self->{snmp}->get_table(oid => $oid_dskPath);
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$datas->{last_timestamp} = time();
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$datas->{all_ids} = [];
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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->{'dskPath_' . $1} = $self->{output}->to_utf8($result->{$key});
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}
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if (scalar(@{$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 => $datas);
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}
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sub manage_selection {
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my ($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 = $self->{statefile_cache}->get(name => 'last_timestamp');
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if ($has_cache_file == 0 || !defined($timestamp_cache) ||
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((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($self->{option_results}->{diskpath})) {
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# get by ID
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push @{$self->{diskpath_id_selected}}, $self->{option_results}->{diskpath};
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my $name = $self->{statefile_cache}->get(name => 'dskPath_' . $self->{option_results}->{diskpath});
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if (!defined($name)) {
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$self->{output}->add_option_msg(short_msg => "No disk path found for id '" . $self->{option_results}->{diskpath} . "'.");
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$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 => 'dskPath_' . $i);
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next if (!defined($filter_name));
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if (!defined($self->{option_results}->{diskpath})) {
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push @{$self->{diskpath_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}->{diskpath}/i) {
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push @{$self->{diskpath_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}->{diskpath}/) {
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push @{$self->{diskpath_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 $self->{option_results}->{diskpath}) {
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push @{$self->{diskpath_id_selected}}, $i;
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}
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}
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if (scalar(@{$self->{diskpath_id_selected}}) <= 0) {
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if (defined($self->{option_results}->{diskpath})) {
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$self->{output}->add_option_msg(short_msg => "No disk path found for name '" . $self->{option_results}->{diskpath} . "' (maybe you should reload cache file).");
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} else {
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$self->{output}->add_option_msg(short_msg => "No disk path 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) = @_;
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my $value = $self->{statefile_cache}->get(name => 'dskPath_' . $options{id});
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if (defined($self->{option_results}->{display_transform_src})) {
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$self->{option_results}->{display_transform_dst} = '' if (!defined($self->{option_results}->{display_transform_dst}));
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eval "\$value =~ s{$self->{option_results}->{display_transform_src}}{$self->{option_results}->{display_transform_dst}}";
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}
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return $value;
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}
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1;
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__END__
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=head1 MODE
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Check Inodes space usage on partitions.
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Need to enable "includeAllDisks 10%" on snmpd.conf.
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=over 8
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=item B<--warning>
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Threshold warning in percent.
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=item B<--critical>
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Threshold critical in percent.
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=item B<--diskpath>
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Set the disk path (number expected) ex: 1, 2,... (empty means 'check all disks path').
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=item B<--name>
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Allows to use disk path name with option --diskpath instead of disk path oid index.
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=item B<--regexp>
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Allows to use regexp to filter diskpath (with option --name).
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=item B<--regexp-isensitive>
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Allows to use regexp non case-sensitive (with --regexp).
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=item B<--reload-cache-time>
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Time in seconds before reloading cache file (default: 180).
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=item B<--display-transform-src>
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Regexp src to transform display value. (security risk!!!)
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=item B<--display-transform-dst>
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Regexp dst to transform display value. (security risk!!!)
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=item B<--show-cache>
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Display cache storage datas.
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=back
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=cut
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