168 lines
6.1 KiB
Perl
168 lines
6.1 KiB
Perl
#
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# Copyright 2021 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 network::dlink::standard::snmp::mode::memory;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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sub custom_usage_output {
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my ($self, %options) = @_;
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return sprintf(
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'total: %s %s used: %s %s (%.2f%%) free: %s %s (%.2f%%)',
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{total}),
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{used}),
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$self->{result_values}->{prct_used},
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{free}),
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$self->{result_values}->{prct_free}
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);
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'memory', type => 1, cb_prefix_output => 'prefix_memory_output', message_multiple => 'All memory usages are ok', skipped_code => { -10 => 1 } }
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];
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$self->{maps_counters}->{memory} = [
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{ label => 'usage', display_ok => 0, nlabel => 'memory.usage.bytes', set => {
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key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'display' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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perfdatas => [
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{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1, label_extra_instance => 1 }
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]
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}
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},
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{ label => 'usage-free', display_ok => 0, nlabel => 'memory.free.bytes', set => {
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key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'display' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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perfdatas => [
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{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1, label_extra_instance => 1 }
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]
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}
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},
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{ label => 'usage-prct', nlabel => 'memory.usage.percentage', set => {
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key_values => [ { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'prct_free' }, { name => 'total' }, { name => 'display' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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perfdatas => [
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{ template => '%.2f', min => 0, max => 100, unit => '%', label_extra_instance => 1 }
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]
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}
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}
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];
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}
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sub prefix_memory_output {
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my ($self, %options) = @_;
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return "Memory '" . $options{instance_value}->{display} . "' ";
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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});
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return $self;
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}
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my $map_memory_type = {
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1 => 'dram', 2 => 'flash', 3 => 'nvram'
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};
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my $mapping_industrial = {
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total => { oid => '.1.3.6.1.4.1.171.14.5.1.4.1.3' }, # dEntityExtMemUtilTotal (KB)
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used => { oid => '.1.3.6.1.4.1.171.14.5.1.4.1.4' }, # dEntityExtMemUtilUsed (KB)
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free => { oid => '.1.3.6.1.4.1.171.14.5.1.4.1.5' } # dEntityExtMemUtilUsed (KB)
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};
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my $oid_dEntityExtMemoryUtilEntry = '.1.3.6.1.4.1.171.14.5.1.4.1';
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my $mapping_common = {
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total => { oid => '.1.3.6.1.4.1.171.17.5.1.4.1.3' }, # esEntityExtMemUtilTotal (KB)
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used => { oid => '.1.3.6.1.4.1.171.17.5.1.4.1.4' }, # esEntityExtMemUtilUsed (KB)
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free => { oid => '.1.3.6.1.4.1.171.17.5.1.4.1.5' } # esEntityExtMemUtilFree (KB)
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};
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my $oid_esEntityExtMemoryUtilEntry = '.1.3.6.1.4.1.171.17.5.1.4.1';
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sub check_memory {
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my ($self, %options) = @_;
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return if ($self->{checked_memory} == 1);
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foreach (keys %{$options{snmp_result}}) {
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next if (! /^$options{mapping}->{total}->{oid}\.(\d+)\.(\d+)$/);
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my $instance = $1 . '.' . $2;
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my $display = 'unit' . $1 . $self->{output}->get_instance_perfdata_separator() . $map_memory_type->{$2};
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my $result = $options{snmp}->map_instance(mapping => $options{mapping}, results => $options{snmp_result}, instance => $instance);
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$self->{checked_memory} = 1;
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$self->{memory}->{$display} = {
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display => $display,
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used => $result->{used} * 1024,
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free => $result->{free} * 1024,
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prct_used => ($result->{used} * 1024 * 100) / ($result->{total} * 1024),
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prct_free => ($result->{free} * 1024 * 100) / ($result->{total} * 1024),
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total => $result->{total} * 1024
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};
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $snmp_result = $options{snmp}->get_multiple_table(
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oids => [
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{ oid => $oid_dEntityExtMemoryUtilEntry, start => $mapping_industrial->{total}->{oid} },
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{ oid => $oid_esEntityExtMemoryUtilEntry, start => $mapping_common->{total}->{oid} }
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],
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nothing_quit => 1
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);
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$self->{checked_memory} = 0;
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$self->check_memory(snmp => $options{snmp}, snmp_result => $snmp_result->{$oid_dEntityExtMemoryUtilEntry}, mapping => $mapping_industrial);
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$self->check_memory(snmp => $options{snmp}, snmp_result => $snmp_result->{$oid_esEntityExtMemoryUtilEntry}, mapping => $mapping_common);
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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 usages.
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=over 8
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=item B<--warning-*> B<--critical-*>
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Thresholds.
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Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%).
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=back
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=cut
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