131 lines
5.0 KiB
Perl
131 lines
5.0 KiB
Perl
#
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# Copyright 2017 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::swap;
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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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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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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"no-swap:s" => { name => 'no_swap' },
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});
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$self->{no_swap} = 'critical';
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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}->{no_swap}) && $self->{option_results}->{no_swap} ne '') {
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if ($self->{output}->is_litteral_status(status => $self->{option_results}->{no_swap}) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong --no-swap status '" . $self->{option_results}->{no_swap} . "'.");
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$self->{output}->option_exit();
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}
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$self->{no_swap} = $self->{option_results}->{no_swap};
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}
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}
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sub run {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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my $oid_memTotalSwap = '.1.3.6.1.4.1.2021.4.3.0'; # KB
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my $oid_memAvailSwap = '.1.3.6.1.4.1.2021.4.4.0'; # KB
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my $result = $self->{snmp}->get_leef(oids => [$oid_memTotalSwap, $oid_memAvailSwap], nothing_quit => 1);
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if ($result->{$oid_memTotalSwap} == 0) {
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$self->{output}->output_add(severity => $self->{no_swap},
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short_msg => 'No active swap.');
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$self->{output}->display();
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$self->{output}->exit();
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}
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my $total_size = $result->{$oid_memTotalSwap} * 1024;
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my $swap_used = ($result->{$oid_memTotalSwap} - $result->{$oid_memAvailSwap}) * 1024;
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my $prct_used = $swap_used * 100 / $total_size;
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my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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my ($swap_used_value, $swap_used_unit) = $self->{perfdata}->change_bytes(value => $swap_used);
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my ($swap_free_value, $swap_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $swap_used));
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Swap Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_value . " " . $total_unit,
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$swap_used_value . " " . $swap_used_unit, $prct_used,
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$swap_free_value . " " . $swap_free_unit, (100 - $prct_used)));
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$self->{output}->perfdata_add(label => "used", unit => 'B',
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value => $swap_used,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size, cast_int => 1),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size, cast_int => 1),
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min => 0, max => $total_size);
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$self->{output}->display();
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$self->{output}->exit();
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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 swap memory (UCD-SNMP-MIB).
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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<--no-swap>
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Threshold if no active swap (default: 'critical').
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=back
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=cut
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