136 lines
4.8 KiB
Perl
136 lines
4.8 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 storage::qnap::snmp::mode::memory;
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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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});
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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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}
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sub convert_bytes {
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my ($self, %options) = @_;
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my $multiple = defined($options{network}) ? 1000 : 1024;
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my %units = (K => 1, M => 2, G => 3, T => 4);
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if ($options{value} !~ /^\s*([0-9\.\,]+)\s*(.)/) {
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$self->{output}->output_add(severity => 'UNKNOWN',
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output => "Cannot convert value '" . $options{value} . "'");
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$self->{output}->display();
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$self->{output}->exit();
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}
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my ($bytes, $unit) = ($1, uc($2));
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for (my $i = 0; $i < $units{$unit}; $i++) {
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$bytes *= $multiple;
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}
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return $bytes;
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}
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sub run {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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my $oid_SystemTotalMem = '.1.3.6.1.4.1.24681.1.2.2.0';
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my $oid_SystemFreeMem = '.1.3.6.1.4.1.24681.1.2.3.0';
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my $result = $self->{snmp}->get_leef(oids => [ $oid_SystemTotalMem, $oid_SystemFreeMem ],
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nothing_quit => 1);
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my $total_size = $self->convert_bytes(value => $result->{$oid_SystemTotalMem});
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my $memory_free = $self->convert_bytes(value => $result->{$oid_SystemFreeMem});
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my $memory_used = $total_size - $memory_free;
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my $prct_used = $memory_used * 100 / $total_size;
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my $prct_free = 100 - $prct_used;
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my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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my ($used_value, $used_unit) = $self->{perfdata}->change_bytes(value => $memory_used);
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my ($free_value, $free_unit) = $self->{perfdata}->change_bytes(value => $memory_free);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Memory Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_value . " " . $total_unit,
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$used_value . " " . $used_unit, $prct_used,
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$free_value . " " . $free_unit, $prct_free));
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$self->{output}->perfdata_add(label => "used", unit => 'B',
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value => int($memory_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 => $total_size, cast_int => 1),
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min => 0, max => int($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 memory usage (NAS.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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=back
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=cut
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