161 lines
6.4 KiB
Perl
161 lines
6.4 KiB
Perl
#
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# Copyright 2019 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 os::windows::snmp::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, $class;
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$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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"real-swap" => { name => 'real_swap' },
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});
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$self->{swap_memory_id} = undef;
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$self->{physical_memory_id} = undef;
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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 run {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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my $oid_hrStorageDescr = '.1.3.6.1.2.1.25.2.3.1.3';
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my $result = $self->{snmp}->get_table(oid => $oid_hrStorageDescr);
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foreach my $key (keys %$result) {
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next if ($key !~ /\.([0-9]+)$/);
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my $oid = $1;
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if ($result->{$key} =~ /^Virtual memory$/i) {
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$self->{swap_memory_id} = $oid;
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}
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if ($result->{$key} =~ /^Physical (memory|RAM)$/i) {
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$self->{physical_memory_id} = $oid;
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}
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}
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if (!defined($self->{swap_memory_id})) {
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$self->{output}->add_option_msg(short_msg => "Cannot find virtual memory informations.");
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$self->{output}->option_exit();
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}
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if (defined($self->{option_results}->{real_swap}) && !defined($self->{physical_memory_id})) {
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$self->{output}->add_option_msg(short_msg => "Cannot find physical memory informations.");
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$self->{output}->option_exit();
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}
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my $oid_hrStorageAllocationUnits = '.1.3.6.1.2.1.25.2.3.1.4';
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my $oid_hrStorageSize = '.1.3.6.1.2.1.25.2.3.1.5';
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my $oid_hrStorageUsed = '.1.3.6.1.2.1.25.2.3.1.6';
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my ($physicalSize, $physicalUsed, $physicalUnits) = (0, 0, 0);
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if (defined($self->{option_results}->{real_swap})) {
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$self->{snmp}->load(oids => [$oid_hrStorageAllocationUnits, $oid_hrStorageSize, $oid_hrStorageUsed],
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instances => [$self->{physical_memory_id}]);
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$result = $self->{snmp}->get_leef();
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$physicalSize = $result->{$oid_hrStorageSize . "." . $self->{physical_memory_id}};
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$physicalUsed = $result->{$oid_hrStorageUsed . "." . $self->{physical_memory_id}};
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$physicalUnits = $result->{$oid_hrStorageAllocationUnits . "." . $self->{physical_memory_id}};
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}
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$self->{snmp}->load(oids => [$oid_hrStorageAllocationUnits, $oid_hrStorageSize, $oid_hrStorageUsed],
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instances => [$self->{swap_memory_id}]);
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$result = $self->{snmp}->get_leef();
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my $swap_used = ($result->{$oid_hrStorageUsed . "." . $self->{swap_memory_id}} * $result->{$oid_hrStorageAllocationUnits . "." . $self->{swap_memory_id}})
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- ($physicalUsed * $physicalUnits);
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my $total_size = ($result->{$oid_hrStorageSize . "." . $self->{swap_memory_id}} * $result->{$oid_hrStorageAllocationUnits . "." . $self->{swap_memory_id}})
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- ($physicalSize * $physicalUnits);
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my $prct_used = $swap_used * 100 / $total_size;
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my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($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 - $swap_used);
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my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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$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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nlabel => 'swap.usage.bytes',
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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 Windows swap memory.
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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<--real-swap>
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Use this option to remove physical memory from Windows SNMP swap values.
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Using that option can give wrong values (incoherent or negative).
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=back
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=cut
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