From cc21dc73dd60868a84d432777e2271c1f2dc29ed Mon Sep 17 00:00:00 2001 From: garnier-quentin Date: Sun, 10 May 2015 21:39:46 +0200 Subject: [PATCH] + qnap: add volume-usage mode (Fix #27) --- .../storage/qnap/snmp/mode/volumeusage.pm | 319 ++++++++++++++++++ centreon-plugins/storage/qnap/snmp/plugin.pm | 1 + 2 files changed, 320 insertions(+) create mode 100644 centreon-plugins/storage/qnap/snmp/mode/volumeusage.pm diff --git a/centreon-plugins/storage/qnap/snmp/mode/volumeusage.pm b/centreon-plugins/storage/qnap/snmp/mode/volumeusage.pm new file mode 100644 index 000000000..d88a1dfc3 --- /dev/null +++ b/centreon-plugins/storage/qnap/snmp/mode/volumeusage.pm @@ -0,0 +1,319 @@ +################################################################################ +# Copyright 2005-2014 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 . +# +# 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 +# +#################################################################################### + +package storage::qnap::snmp::mode::volumeusage; + +use base qw(centreon::plugins::mode); + +use strict; +use warnings; +use centreon::plugins::values; + +my $plugin_options; + +my $maps_counters = { + '000_usage' => { set => { + key_values => [ + { name => 'display' }, { name => 'free' }, { name => 'used' }, + ], + closure_custom_calc => \&custom_usage_calc, + closure_custom_output => \&custom_usage_output, + closure_custom_perfdata => \&custom_usage_perfdata, + closure_custom_threshold_check => \&custom_usage_threshold, + } + }, +}; + +sub custom_usage_perfdata { + my ($self, %options) = @_; + + my $label = 'used'; + my $value_perf = $self->{result_values}->{used}; + if (defined($plugin_options->{free})) { + $label = 'free'; + $value_perf = $self->{result_values}->{free}; + } + my $extra_label = ''; + $extra_label = '_' . $self->{result_values}->{display} if (!defined($options{extra_instance}) || $options{extra_instance} != 0); + my %total_options = (); + if ($plugin_options->{units} eq '%') { + $total_options{total} = $self->{result_values}->{total}; + $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-' . $self->{label}, %total_options), + critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options), + min => 0, max => $self->{result_values}->{total}); +} + +sub custom_usage_threshold { + my ($self, %options) = @_; + + my ($exit, $threshold_value); + $threshold_value = $self->{result_values}->{used}; + $threshold_value = $self->{result_values}->{free} if (defined($plugin_options->{free})); + if ($plugin_options->{units} eq '%') { + $threshold_value = $self->{result_values}->{prct_used}; + $threshold_value = $self->{result_values}->{prct_free} if (defined($plugin_options->{free})); + } + $exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]); + return $exit; +} + +sub custom_usage_output { + my ($self, %options) = @_; + + my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total}); + my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used}); + my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free}); + + my $msg = sprintf("Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", + $total_size_value . " " . $total_size_unit, + $total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used}, + $total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free}); + return $msg; +} + +sub custom_usage_calc { + my ($self, %options) = @_; + + $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'}; + $self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_used'} + $options{new_datas}->{$self->{instance} . '_free'}; + $self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'}; + $self->{result_values}->{free} = $options{new_datas}->{$self->{instance} . '_free'}; + $self->{result_values}->{prct_free} = $self->{result_values}->{free} * 100 / $self->{result_values}->{total}; + $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total}; + return 0; +} + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + + $self->{version} = '1.0'; + $options{options}->add_options(arguments => + { + "filter-name:s" => { name => 'filter_name' }, + "units:s" => { name => 'units', default => '%' }, + "free" => { name => 'free' }, + }); + + foreach (sort keys %{$maps_counters}) { + my ($id, $name) = split /_/; + if (!defined($maps_counters->{$_}->{threshold}) || $maps_counters->{$_}->{threshold} != 0) { + $options{options}->add_options(arguments => { + 'warning-' . $name . ':s' => { name => 'warning-' . $name }, + 'critical-' . $name . ':s' => { name => 'critical-' . $name }, + }); + } + $maps_counters->{$_}->{obj} = centreon::plugins::values->new(output => $self->{output}, perfdata => $self->{perfdata}, + label => $name); + $maps_counters->{$_}->{obj}->set(%{$maps_counters->{$_}->{set}}); + } + + return $self; +} + +sub check_options { + my ($self, %options) = @_; + $self->SUPER::init(%options); + + foreach (keys %{$maps_counters}) { + $maps_counters->{$_}->{obj}->init(option_results => $self->{option_results}); + } + $plugin_options = $self->{option_results}; +} + +sub run { + my ($self, %options) = @_; + # $options{snmp} = snmp object + $self->{snmp} = $options{snmp}; + + $self->manage_selection(); + + my $multiple = 1; + if (scalar(keys %{$self->{volumes_selected}}) == 1) { + $multiple = 0; + } + + if ($multiple == 1) { + $self->{output}->output_add(severity => 'OK', + short_msg => 'All volume usages are ok'); + } + + foreach my $id (sort keys %{$self->{volumes_selected}}) { + my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', ''); + my @exits; + foreach (sort keys %{$maps_counters}) { + $maps_counters->{$_}->{obj}->set(instance => $id); + + my ($value_check) = $maps_counters->{$_}->{obj}->execute(values => $self->{volumes_selected}->{$id}); + + if ($value_check != 0) { + $long_msg .= $long_msg_append . $maps_counters->{$_}->{obj}->output_error(); + $long_msg_append = ', '; + next; + } + my $exit2 = $maps_counters->{$_}->{obj}->threshold_check(); + push @exits, $exit2; + + my $output = $maps_counters->{$_}->{obj}->output(); + $long_msg .= $long_msg_append . $output; + $long_msg_append = ', '; + + if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) { + $short_msg .= $short_msg_append . $output; + $short_msg_append = ', '; + } + + $maps_counters->{$_}->{obj}->perfdata(extra_instance => $multiple); + } + + $self->{output}->output_add(long_msg => "Volume '" . $self->{volumes_selected}->{$id}->{display} . "' $long_msg"); + my $exit = $self->{output}->get_most_critical(status => [ @exits ]); + if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) { + $self->{output}->output_add(severity => $exit, + short_msg => "Volume '" . $self->{volumes_selected}->{$id}->{display} . "' $short_msg" + ); + } + + if ($multiple == 0) { + $self->{output}->output_add(short_msg => "Volume '" . $self->{volumes_selected}->{$id}->{display} . "' $long_msg"); + } + } + + $self->{output}->display(); + $self->{output}->exit(); +} + +my $mapping = { + SysVolumeDescr => { oid => '.1.3.6.1.4.1.24681.1.2.17.1.2' }, + SysVolumeFS => { oid => '.1.3.6.1.4.1.24681.1.2.17.1.3' }, + SysVolumeTotalSize => { oid => '.1.3.6.1.4.1.24681.1.2.17.1.4' }, + SysVolumeFreeSize => { oid => '.1.3.6.1.4.1.24681.1.2.17.1.5' }, +}; + +sub manage_selection { + my ($self, %options) = @_; + + $self->{volumes_selected} = {}; + my $oid_SysVolumeEntry = '.1.3.6.1.4.1.24681.1.2.17.1'; + $self->{results} = $self->{snmp}->get_table(oid => $oid_SysVolumeEntry, + start => $mapping->{SysVolumeDescr}->{oid}, + end => $mapping->{SysVolumeFreeSize}->{oid}, + nothing_quit => 1); + foreach my $oid (keys %{$self->{results}}) { + next if ($oid !~ /^$mapping->{SysVolumeDescr}->{oid}\.(\d+)/); + my $instance = $1; + my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results}, instance => $instance); + if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' && + $result->{SysVolumeDescr} !~ /$self->{option_results}->{filter_name}/) { + $self->{output}->output_add(long_msg => "Skipping '" . $result->{SysVolumeDescr} . "': no matching filter."); + next; + } + + my $free = $self->convert_bytes(value => $result->{SysVolumeFreeSize}); + my $total = $self->convert_bytes(value => $result->{SysVolumeTotalSize}); + if ($total == 0) { + $self->{output}->output_add(long_msg => "Skipping '" . $result->{SysVolumeDescr} . "': total size is 0."); + next; + } + + $self->{volumes_selected}->{$instance} = { display => $result->{SysVolumeDescr}, + free => $free, used => $total - $free }; + } + + if (scalar(keys %{$self->{volumes_selected}}) <= 0) { + $self->{output}->add_option_msg(short_msg => "No entry found."); + $self->{output}->option_exit(); + } +} + +sub convert_bytes { + my ($self, %options) = @_; + my $multiple = defined($options{network}) ? 1000 : 1024; + my %units = (K => 1, M => 2, G => 3, T => 4); + + if ($options{value} !~ /^\s*([0-9\.\,]+)\s*(.)/) { + $self->{output}->output_add(severity => 'UNKNOWN', + output => "Cannot convert value '" . $options{value} . "'"); + $self->{output}->display(); + $self->{output}->exit(); + } + my ($bytes, $unit) = ($1, uc($2)); + + for (my $i = 0; $i < $units{$unit}; $i++) { + $bytes *= $multiple; + } + + return $bytes; +} + +1; + +__END__ + +=head1 MODE + +Check volume usages. + +=over 8 + +=item B<--warning-usage> + +Threshold warning. + +=item B<--critical-usage> + +Threshold critical. + +=item B<--units> + +Units of thresholds (Default: '%') ('%', 'B'). + +=item B<--free> + +Thresholds are on free space left. + +=item B<--filter-name> + +Filter volume name (can be a regexp). + +=back + +=cut diff --git a/centreon-plugins/storage/qnap/snmp/plugin.pm b/centreon-plugins/storage/qnap/snmp/plugin.pm index ea4ac56b4..933568449 100644 --- a/centreon-plugins/storage/qnap/snmp/plugin.pm +++ b/centreon-plugins/storage/qnap/snmp/plugin.pm @@ -54,6 +54,7 @@ sub new { 'memory' => 'storage::qnap::snmp::mode::memory', 'storage' => 'snmp_standard::mode::storage', 'traffic' => 'snmp_standard::mode::traffic', + 'volume-usage' => 'storage::qnap::snmp::mode::volumeusage', ); return $self;