132 lines
4.9 KiB
Perl
132 lines
4.9 KiB
Perl
#
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# Copyright 2016 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 apps::pfsense::snmp::mode::memorydroppedpackets;
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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 POSIX;
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use centreon::plugins::statefile;
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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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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning', },
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"critical:s" => { name => 'critical', },
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});
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$self->{statefile_value} = 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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$self->{statefile_value}->check_options(%options);
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}
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sub run {
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my ($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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my $oid_pfsenseMemDropPackets = '.1.3.6.1.4.1.12325.1.200.1.2.6.0';
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my ($result, $value);
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$result = $self->{snmp}->get_leef(oids => [ $oid_pfsenseMemDropPackets ], nothing_quit => 1);
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$value = $result->{$oid_pfsenseMemDropPackets};
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$self->{statefile_value}->read(statefile => 'pfsense_' . $self->{hostname} . '_' . $self->{snmp_port} . '_' . $self->{mode});
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my $old_timestamp = $self->{statefile_value}->get(name => 'last_timestamp');
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my $old_memDropPackets = $self->{statefile_value}->get(name => 'memDropPackets');
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my $new_datas = {};
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$new_datas->{last_timestamp} = time();
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$new_datas->{memDropPackets} = $value;
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$self->{statefile_value}->write(data => $new_datas);
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if (!defined($old_timestamp) || !defined($old_memDropPackets)) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Buffer creation...");
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$self->{output}->display();
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$self->{output}->exit();
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}
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$old_memDropPackets = 0 if ($old_memDropPackets > $new_datas->{memDropPackets});
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my $delta_time = $new_datas->{last_timestamp} - $old_timestamp;
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$delta_time = 1 if ($delta_time == 0);
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my $memDropPacketsPerSec = ($new_datas->{memDropPackets} - $old_memDropPackets) / $delta_time;
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my $exit_code = $self->{perfdata}->threshold_check(value => $memDropPacketsPerSec,
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threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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$self->{output}->perfdata_add(label => 'dropped_packets_Per_Sec',
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value => sprintf("%.2f", $memDropPacketsPerSec),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0);
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$self->{output}->output_add(severity => $exit_code,
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short_msg => sprintf("Dropped packets due to memory limitations : %.2f /s",
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$memDropPacketsPerSec));
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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 number of packets per second dropped due to memory limitations.
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=over 8
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=item B<--warning>
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Threshold warning for dropped packets in packets per second.
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=item B<--critical>
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Threshold critical for dropped packets in packets per second.
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=back
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=cut
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