centreon-plugins/storage/netapp/mode/shelf.pm

487 lines
25 KiB
Perl

################################################################################
# Copyright 2005-2013 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation ; either version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <http://www.gnu.org/licenses>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an executable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting executable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
# Authors : Quentin Garnier <qgarnier@merethis.com>
#
####################################################################################
package storage::netapp::mode::shelf;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::misc;
my %com_states = (
1 => ['initializing', 'WARNING'],
2 => ['transitioning', 'WARNING'],
3 => ['active', 'OK'],
4 => ['inactive', 'CRITICAL'],
5 => ['reconfiguring', 'WARNING'],
6 => ['nonexistent', 'CRITICAL'],
);
my $oid_enclNumber = '.1.3.6.1.4.1.789.1.21.1.1.0';
my $oid_enclContactState = '.1.3.6.1.4.1.789.1.21.1.2.1.2';
my $oid_enclChannelShelfAddr = '.1.3.6.1.4.1.789.1.21.1.2.1.3';
my $oid_enclPowerSuppliesPresent = '.1.3.6.1.4.1.789.1.21.1.2.1.13';
my $oid_enclPowerSuppliesFailed = '.1.3.6.1.4.1.789.1.21.1.2.1.15';
my $oid_enclFansPresent = '.1.3.6.1.4.1.789.1.21.1.2.1.17';
my $oid_enclFansFailed = '.1.3.6.1.4.1.789.1.21.1.2.1.18';
my $oid_enclFansSpeed = '.1.3.6.1.4.1.789.1.21.1.2.1.62';
my $oid_enclTempSensorsPresent = '.1.3.6.1.4.1.789.1.21.1.2.1.20';
my $oid_enclTempSensorsOverTempFail = '.1.3.6.1.4.1.789.1.21.1.2.1.21';
my $oid_enclTempSensorsOverTempWarn = '.1.3.6.1.4.1.789.1.21.1.2.1.22';
my $oid_enclTempSensorsUnderTempFail = '.1.3.6.1.4.1.789.1.21.1.2.1.23';
my $oid_enclTempSensorsUnderTempWarn = '.1.3.6.1.4.1.789.1.21.1.2.1.24';
my $oid_enclTempSensorsCurrentTemp = '.1.3.6.1.4.1.789.1.21.1.2.1.25';
my $oid_enclTempSensorsOverTempFailThr = '.1.3.6.1.4.1.789.1.21.1.2.1.26';
my $oid_enclTempSensorsOverTempWarnThr = '.1.3.6.1.4.1.789.1.21.1.2.1.27';
my $oid_enclTempSensorsUnderTempFailThr = '.1.3.6.1.4.1.789.1.21.1.2.1.28';
my $oid_enclTempSensorsUnderTempWarnThr = '.1.3.6.1.4.1.789.1.21.1.2.1.29';
my $oid_enclElectronicsPresent = '.1.3.6.1.4.1.789.1.21.1.2.1.31';
my $oid_enclElectronicsFailed = '.1.3.6.1.4.1.789.1.21.1.2.1.33';
my $oid_enclVoltSensorsPresent = '.1.3.6.1.4.1.789.1.21.1.2.1.35';
my $oid_enclVoltSensorsOverVoltFail = '.1.3.6.1.4.1.789.1.21.1.2.1.36';
my $oid_enclVoltSensorsOverVoltWarn = '.1.3.6.1.4.1.789.1.21.1.2.1.37';
my $oid_enclVoltSensorsUnderVoltFail = '.1.3.6.1.4.1.789.1.21.1.2.1.38';
my $oid_enclVoltSensorsUnderVoltWarn = '.1.3.6.1.4.1.789.1.21.1.2.1.39';
my $oid_enclVoltSensorsCurrentVolt = '.1.3.6.1.4.1.789.1.21.1.2.1.40';
my $oid_enclVoltSensorsOverVoltFailThr = '.1.3.6.1.4.1.789.1.21.1.2.1.41';
my $oid_enclVoltSensorsOverVoltWarnThr = '.1.3.6.1.4.1.789.1.21.1.2.1.42';
my $oid_enclVoltSensorsUnderVoltFailThr = '.1.3.6.1.4.1.789.1.21.1.2.1.43';
my $oid_enclVoltSensorsUnderVoltWarnThr = '.1.3.6.1.4.1.789.1.21.1.2.1.44';
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"exclude:s" => { name => 'exclude' },
"component:s" => { name => 'component', default => 'all' },
"no-component:s" => { name => 'no_component' },
});
$self->{components} = {};
$self->{no_components} = undef;
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (defined($self->{option_results}->{no_component})) {
if ($self->{option_results}->{no_component} ne '') {
$self->{no_components} = $self->{option_results}->{no_component};
} else {
$self->{no_components} = 'critical';
}
}
}
sub run {
my ($self, %options) = @_;
# $options{snmp} = snmp object
$self->{snmp} = $options{snmp};
my $result = $self->{snmp}->get_leef(oids => [$oid_enclNumber], nothing_quit => 1);
$self->{snmp}->load(oids => [$oid_enclContactState, $oid_enclChannelShelfAddr, $oid_enclPowerSuppliesPresent, $oid_enclPowerSuppliesFailed,
$oid_enclFansPresent, $oid_enclFansFailed, $oid_enclFansSpeed, $oid_enclTempSensorsPresent, $oid_enclTempSensorsOverTempFail, $oid_enclTempSensorsOverTempWarn,
$oid_enclTempSensorsUnderTempFail, $oid_enclTempSensorsUnderTempWarn, $oid_enclTempSensorsCurrentTemp,
$oid_enclTempSensorsOverTempFailThr, $oid_enclTempSensorsOverTempWarnThr, $oid_enclTempSensorsUnderTempFailThr,
$oid_enclTempSensorsUnderTempWarnThr, $oid_enclElectronicsPresent, $oid_enclElectronicsFailed, $oid_enclVoltSensorsPresent,
$oid_enclVoltSensorsOverVoltFail, $oid_enclVoltSensorsOverVoltWarn, $oid_enclVoltSensorsUnderVoltFail, $oid_enclVoltSensorsUnderVoltWarn,
$oid_enclVoltSensorsCurrentVolt, $oid_enclVoltSensorsOverVoltFailThr, $oid_enclVoltSensorsOverVoltWarnThr, $oid_enclVoltSensorsUnderVoltFailThr,
$oid_enclVoltSensorsUnderVoltWarnThr],
begin => 1, end => $result->{$oid_enclNumber});
$self->{result} = $self->{snmp}->get_leef();
$self->{number_shelf} = $result->{$oid_enclNumber};
if ($self->{option_results}->{component} eq 'all') {
$self->check_communication();
$self->check_fan();
$self->check_psu();
$self->check_temperature();
$self->check_electronics();
$self->check_voltage();
} elsif ($self->{option_results}->{component} eq 'communication') {
$self->check_communication();
} elsif ($self->{option_results}->{component} eq 'psu') {
$self->check_psu();
} elsif ($self->{option_results}->{component} eq 'fan') {
$self->check_fan();
} elsif ($self->{option_results}->{component} eq 'temperature') {
$self->check_temperature();
} elsif ($self->{option_results}->{component} eq 'voltage') {
$self->check_voltage();
} elsif ($self->{option_results}->{component} eq 'electronics') {
$self->check_electronics();
} else {
$self->{output}->add_option_msg(short_msg => "Wrong option. Cannot find component '" . $self->{option_results}->{component} . "'.");
$self->{output}->option_exit();
}
my $total_components = 0;
my $display_by_component = '';
my $display_by_component_append = '';
foreach my $comp (sort(keys %{$self->{components}})) {
# Skipping short msg when no components
next if ($self->{components}->{$comp}->{total} == 0 && $self->{components}->{$comp}->{skip} == 0);
$total_components += $self->{components}->{$comp}->{total} + $self->{components}->{$comp}->{skip};
my $count_by_components = $self->{components}->{$comp}->{total} + $self->{components}->{$comp}->{skip};
$display_by_component .= $display_by_component_append . $self->{components}->{$comp}->{total} . '/' . $count_by_components . ' ' . $self->{components}->{$comp}->{name};
$display_by_component_append = ', ';
}
$self->{output}->output_add(severity => 'OK',
short_msg => sprintf("All %s components are ok [%s] [%s shelves].",
$total_components,
$display_by_component,
$self->{number_shelf})
);
if (defined($self->{option_results}->{no_component}) && $total_components == 0) {
$self->{output}->output_add(severity => $self->{no_components},
short_msg => 'No components are checked.');
}
$self->{output}->display();
$self->{output}->exit();
}
sub check_exclude {
my ($self, %options) = @_;
if (defined($options{instance})) {
if (defined($self->{option_results}->{exclude}) && $self->{option_results}->{exclude} =~ /(^|\s|,)${options{section}}[^,]*#\Q$options{instance}\E#/) {
$self->{components}->{$options{section}}->{skip}++;
$self->{output}->output_add(long_msg => sprintf("Skipping $options{section} section $options{instance} instance."));
return 1;
}
} elsif (defined($self->{option_results}->{exclude}) && $self->{option_results}->{exclude} =~ /(^|\s|,)$options{section}(\s|,|$)/) {
$self->{output}->output_add(long_msg => sprintf("Skipping $options{section} section."));
return 1;
}
return 0;
}
sub check_communication {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking communications");
$self->{components}->{communication} = {name => 'communications', total => 0, skip => 0};
return if ($self->check_exclude(section => 'communication'));
for (my $i = 1; $i <= $self->{number_shelf}; $i++) {
my $shelf_addr = $self->{result}->{$oid_enclChannelShelfAddr . '.' . $i};
my $com_state = $self->{result}->{$oid_enclContactState . '.' . $i};
next if ($self->check_exclude(section => 'communication', instance => $shelf_addr));
$self->{components}->{communication}->{total}++;
$self->{output}->output_add(long_msg => sprintf("Shelve '%s' communication state is '%s'",
$shelf_addr, ${$com_states{$com_state}}[0]));
if (${$com_states{$com_state}}[1] ne 'OK') {
$self->{output}->output_add(severity => ${$com_states{$com_state}}[0],
short_msg => sprintf("Shelve '%s' communication state is '%s'",
$shelf_addr, ${$com_states{$com_state}}[0]));
}
}
}
sub check_fan {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking fans");
$self->{components}->{fan} = {name => 'fans', total => 0, skip => 0};
return if ($self->check_exclude(section => 'fan'));
for (my $i = 1; $i <= $self->{number_shelf}; $i++) {
my $shelf_addr = $self->{result}->{$oid_enclChannelShelfAddr . '.' . $i};
my $present = $self->{result}->{$oid_enclFansPresent . '.' . $i};
my $failed = $self->{result}->{$oid_enclFansFailed . '.' . $i};
my @current_speed = split /,/, $self->{result}->{$oid_enclFansSpeed . '.' . $i};
foreach my $num (split /,/, $present) {
$num = centreon::plugins::misc::trim($num);
next if ($num !~ /[0-9]/);
my $current_value = ($current_speed[$num - 1] =~ /(^|\s)([0-9]+)/) ? $2 : '';
next if ($self->check_exclude(section => 'fan', instance => $shelf_addr . '.' . $num));
$self->{components}->{fan}->{total}++;
if ($failed =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' Fan '%s' is failed",
$shelf_addr, $num));
} else {
$self->{output}->output_add(long_msg => sprintf("Shelve '%s' Fan '%s' is ok",
$shelf_addr, $num));
}
if ($current_value ne '') {
$self->{output}->perfdata_add(label => "speed_" . $i . "_" . $num, unit => 'rpm',
value => $current_value,
min => 0);
}
}
}
}
sub check_psu {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking power supplies");
$self->{components}->{psu} = {name => 'psus', total => 0, skip => 0};
return if ($self->check_exclude(section => 'psu'));
for (my $i = 1; $i <= $self->{number_shelf}; $i++) {
my $shelf_addr = $self->{result}->{$oid_enclChannelShelfAddr . '.' . $i};
my $present = $self->{result}->{$oid_enclPowerSuppliesPresent . '.' . $i};
my $failed = $self->{result}->{$oid_enclPowerSuppliesFailed . '.' . $i};
foreach my $num (split /,/, $present) {
$num = centreon::plugins::misc::trim($num);
next if ($num !~ /[0-9]/);
next if ($self->check_exclude(section => 'psu', instance => $shelf_addr . '.' . $num));
$self->{components}->{psu}->{total}++;
if ($failed =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' PSU '%s' is failed",
$shelf_addr, $num));
} else {
$self->{output}->output_add(long_msg => sprintf("Shelve '%s' PSU '%s' is ok",
$shelf_addr, $num));
}
}
}
}
sub check_electronics {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking electronics");
$self->{components}->{electronics} = {name => 'electronics', total => 0, skip => 0};
return if ($self->check_exclude(section => 'electronics'));
for (my $i = 1; $i <= $self->{number_shelf}; $i++) {
my $shelf_addr = $self->{result}->{$oid_enclChannelShelfAddr . '.' . $i};
my $present = $self->{result}->{$oid_enclElectronicsPresent . '.' . $i};
my $failed = $self->{result}->{$oid_enclElectronicsFailed . '.' . $i};
foreach my $num (split /,/, $present) {
$num = centreon::plugins::misc::trim($num);
next if ($num !~ /[0-9]/);
next if ($self->check_exclude(section => 'electronics', instance => $shelf_addr . '.' . $num));
$self->{components}->{electronics}->{total}++;
if ($failed =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' electronics '%s' is failed",
$shelf_addr, $num));
} else {
$self->{output}->output_add(long_msg => sprintf("Shelve '%s' electronics '%s' is ok",
$shelf_addr, $num));
}
}
}
}
sub check_voltage {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking voltages");
$self->{components}->{voltage} = {name => 'voltages', total => 0, skip => 0};
return if ($self->check_exclude(section => 'voltage'));
for (my $i = 1; $i <= $self->{number_shelf}; $i++) {
my $shelf_addr = $self->{result}->{$oid_enclChannelShelfAddr . '.' . $i};
my $present = $self->{result}->{$oid_enclVoltSensorsPresent . '.' . $i};
my @current_volt = split /,/, $self->{result}->{$oid_enclVoltSensorsCurrentVolt . '.' . $i};
my $warn_under = $self->{result}->{$oid_enclVoltSensorsUnderVoltWarn . '.' . $i};
my $crit_under = $self->{result}->{$oid_enclVoltSensorsUnderVoltFail . '.' . $i};
my $warn_over = $self->{result}->{$oid_enclVoltSensorsOverVoltWarn . '.' . $i};
my $crit_over = $self->{result}->{$oid_enclVoltSensorsOverVoltFail . '.' . $i};
my @warn_under_thr = split /,/, $self->{result}->{$oid_enclVoltSensorsUnderVoltWarnThr . '.' . $i};
my @crit_under_thr = split /,/, $self->{result}->{$oid_enclVoltSensorsUnderVoltFailThr . '.' . $i};
my @warn_over_thr = split /,/, $self->{result}->{$oid_enclVoltSensorsOverVoltWarnThr . '.' . $i};
my @crit_over_thr = split /,/, $self->{result}->{$oid_enclVoltSensorsOverVoltFailThr . '.' . $i};
foreach my $num (split /,/, $present) {
$num = centreon::plugins::misc::trim($num);
next if ($num !~ /[0-9]/);
my $wu_thr = (defined($warn_under_thr[$num - 1]) && $warn_under_thr[$num - 1] =~ /(^|\s)(-*[0-9]+)/) ? $2 : '';
my $cu_thr = (defined($crit_under_thr[$num - 1]) && $crit_under_thr[$num - 1] =~ /(^|\s)(-*[0-9]+)/) ? $2 : '';
my $wo_thr = (defined($warn_over_thr[$num - 1]) && $warn_over_thr[$num - 1] =~ /(^|\s)(-*[0-9]+)/) ? $2 : '';
my $co_thr = (defined($crit_over_thr[$num - 1]) && $crit_over_thr[$num - 1] =~ /(^|\s)(-*[0-9]+)/) ? $2 : '';
my $current_value = ($current_volt[$num - 1] =~ /(^|\s)(-*[0-9]+)/) ? $2 : '';
next if ($self->check_exclude(section => 'voltage', instance => $shelf_addr . '.' . $num));
$self->{components}->{voltage}->{total}++;
if ($crit_under =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' voltage sensor '%s' is under critical threshold [current = %s < %s]",
$shelf_addr, $num, $current_value, $cu_thr));
} elsif ($warn_under =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'WARNING',
long_msg => sprintf("Shelve '%s' voltage sensor '%s' is under warning threshold [current = %s < %s]",
$shelf_addr, $num, $current_value, $wu_thr));
} elsif ($crit_over =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' voltage sensor '%s' is over critical threshold [current = %s > %s]",
$shelf_addr, $num, $current_value, $co_thr));
} elsif ($warn_over =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'WARNING',
long_msg => sprintf("Shelve '%s' voltage sensor '%s' is over warning threshold [current = %s > %s]",
$shelf_addr, $num, $current_value, $wo_thr));
} else {
$self->{output}->output_add(long_msg => sprintf("Shelve '%s' voltage sensor '%s' is ok [current = %s]",
$shelf_addr, $num, $current_value));
}
$self->{output}->perfdata_add(label => "volt_" . $i . "_" . $num, unit => 'mV',
value => $current_value,
warning => ($wu_thr ne '' || $wo_thr ne '') ? ($wu_thr . ':' . $wo_thr) : '',
critical => ($cu_thr ne '' || $co_thr ne '') ? ($cu_thr . ':' . $co_thr) : '');
}
}
}
sub check_temperature {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking temperatures");
$self->{components}->{temperature} = {name => 'temperatures', total => 0, skip => 0};
return if ($self->check_exclude(section => 'temperature'));
for (my $i = 1; $i <= $self->{number_shelf}; $i++) {
my $shelf_addr = $self->{result}->{$oid_enclChannelShelfAddr . '.' . $i};
my $present = $self->{result}->{$oid_enclTempSensorsPresent . '.' . $i};
my @current_temp = split /,/, $self->{result}->{$oid_enclTempSensorsCurrentTemp . '.' . $i};
my $warn_under = $self->{result}->{$oid_enclTempSensorsUnderTempWarn . '.' . $i};
my $crit_under = $self->{result}->{$oid_enclTempSensorsUnderTempFail . '.' . $i};
my $warn_over = $self->{result}->{$oid_enclTempSensorsOverTempWarn . '.' . $i};
my $crit_over = $self->{result}->{$oid_enclTempSensorsOverTempFail . '.' . $i};
my @warn_under_thr = split /,/, $self->{result}->{$oid_enclTempSensorsUnderTempWarnThr . '.' . $i};
my @crit_under_thr = split /,/, $self->{result}->{$oid_enclTempSensorsUnderTempFailThr . '.' . $i};
my @warn_over_thr = split /,/, $self->{result}->{$oid_enclTempSensorsOverTempWarnThr . '.' . $i};
my @crit_over_thr = split /,/, $self->{result}->{$oid_enclTempSensorsOverTempFailThr . '.' . $i};
foreach my $num (split /,/, $present) {
$num = centreon::plugins::misc::trim($num);
next if ($num !~ /[0-9]/);
$warn_under_thr[$num - 1] =~ /(-*[0-9]+)C/;
my $wu_thr = $1;
$crit_under_thr[$num - 1] =~ /(-*[0-9]+)C/;
my $cu_thr = $1;
$warn_over_thr[$num - 1] =~ /(-*[0-9]+)C/;
my $wo_thr = $1;
$crit_over_thr[$num - 1] =~ /(-*[0-9]+)C/;
my $co_thr = $1;
$current_temp[$num - 1] =~ /(-*[0-9]+)C/;
my $current_value = $1;
next if ($self->check_exclude(section => 'temperature', instance => $shelf_addr . '.' . $num));
$self->{components}->{temperature}->{total}++;
if ($crit_under =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' temperature sensor '%s' is under critical threshold [current = %s < %s]",
$shelf_addr, $num, $current_value, $cu_thr));
} elsif ($warn_under =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'WARNING',
long_msg => sprintf("Shelve '%s' temperature sensor '%s' is under warning threshold [current = %s < %s]",
$shelf_addr, $num, $current_value, $wu_thr));
} elsif ($crit_over =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'CRITICAL',
long_msg => sprintf("Shelve '%s' temperature sensor '%s' is over critical threshold [current = %s > %s]",
$shelf_addr, $num, $current_value, $co_thr));
} elsif ($warn_over =~ /(^|,|\s)$num(,|\s|$)/) {
$self->{output}->output_add(severity => 'WARNING',
long_msg => sprintf("Shelve '%s' temperature sensor '%s' is over warning threshold [current = %s > %s]",
$shelf_addr, $num, $current_value, $wo_thr));
} else {
$self->{output}->output_add(long_msg => sprintf("Shelve '%s' temperature sensor '%s' is ok [current = %s]",
$shelf_addr, $num, $current_value));
}
$self->{output}->perfdata_add(label => "temp_" . $i . "_" . $num, unit => 'C',
value => $current_value,
warning => $wu_thr . ':' . $wo_thr,
critical => $cu_thr . ':' . $co_thr);
}
}
}
1;
__END__
=head1 MODE
Check Shelves hardware (temperatures, voltages, electronics, fan, power supplies).
=over 8
=item B<--component>
Which component to check (Default: 'all').
Can be: 'psu', 'fan', 'communication', 'voltage', 'temperature', 'electronics'.
=item B<--exclude>
Exclude some parts (comma seperated list) (Example: --exclude=psu)
Can also exclude specific instance: --exclude='psu#0b.00.99.1#'
=item B<--no-component>
Return an error if no compenents are checked.
If total (with skipped) is 0. (Default: 'critical' returns).
=back
=cut