278 lines
10 KiB
Perl
278 lines
10 KiB
Perl
#
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# Copyright 2018 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::h3c::snmp::mode::cpu;
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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 centreon::plugins::values;
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use centreon::plugins::statefile;
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my $oid_entPhysicalEntry = '.1.3.6.1.2.1.47.1.1.1.1';
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my $oid_entPhysicalDescr = '.1.3.6.1.2.1.47.1.1.1.1.2';
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my $oid_entPhysicalContainedIn = '.1.3.6.1.2.1.47.1.1.1.1.4';
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my $oid_entPhysicalClass = '.1.3.6.1.2.1.47.1.1.1.1.5';
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my $oid_entPhysicalName = '.1.3.6.1.2.1.47.1.1.1.1.7';
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my $maps_counters = {
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cpu => {
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'000_usage' => { set => {
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key_values => [ { name => 'EntityExtCpuUsage' }, { name => 'num' }, ],
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output_template => ' : %.2f %%',
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perfdatas => [
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{ label => 'cpu', value => 'EntityExtCpuUsage_absolute', template => '%.2f',
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min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'num_absolute' },
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],
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}
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},
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},
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};
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sub new {
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my ($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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"reload-cache-time:s" => { name => 'reload_cache_time', default => 180 },
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"display-entity-name" => { name => 'display_entity_name' },
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});
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foreach my $key (('cpu')) {
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foreach (keys %{$maps_counters->{$key}}) {
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my ($id, $name) = split /_/;
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if (!defined($maps_counters->{$key}->{$_}->{threshold}) || $maps_counters->{$key}->{$_}->{threshold} != 0) {
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$options{options}->add_options(arguments => {
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'warning-' . $name . ':s' => { name => 'warning-' . $name },
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'critical-' . $name . ':s' => { name => 'critical-' . $name },
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});
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}
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$maps_counters->{$key}->{$_}->{obj} = centreon::plugins::values->new(output => $self->{output}, perfdata => $self->{perfdata},
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label => $name);
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$maps_counters->{$key}->{$_}->{obj}->set(%{$maps_counters->{$key}->{$_}->{set}});
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}
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}
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$self->{statefile_cache} = 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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foreach my $key (('cpu')) {
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foreach (keys %{$maps_counters->{$key}}) {
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$maps_counters->{$key}->{$_}->{obj}->init(option_results => $self->{option_results});
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}
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}
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$self->{statefile_cache}->check_options(%options);
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}
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sub run {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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$self->manage_selection();
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my $multiple = 1;
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if (scalar(keys %{$self->{cpu}}) == 1) {
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$multiple = 0;
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}
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if ($multiple == 1) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All CPU usages are ok');
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}
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foreach my $id (sort keys %{$self->{cpu}}) {
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my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
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my @exits = ();
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foreach (sort keys %{$maps_counters->{cpu}}) {
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my $obj = $maps_counters->{cpu}->{$_}->{obj};
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$obj->set(instance => $id);
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my ($value_check) = $obj->execute(values => $self->{cpu}->{$id});
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if ($value_check != 0) {
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$long_msg .= $long_msg_append . $obj->output_error();
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$long_msg_append = ', ';
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next;
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}
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my $exit2 = $obj->threshold_check();
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push @exits, $exit2;
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my $output = $obj->output();
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$long_msg .= $long_msg_append . $output;
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$long_msg_append = ', ';
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if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) {
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$short_msg .= $short_msg_append . $output;
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$short_msg_append = ', ';
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}
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$maps_counters->{cpu}->{$_}->{obj}->perfdata(level => 1, extra_instance => $multiple);
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}
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$self->{output}->output_add(long_msg => "CPU '" . $self->{cpu}->{$id}->{num} . "' Usage $long_msg [entity = '" . $self->{cpu}->{$id}->{name} . "']");
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my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
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if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) {
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$self->{output}->output_add(severity => $exit,
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short_msg => "CPU '" . $self->{cpu}->{$id}->{num} . "' Usage $short_msg"
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);
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}
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if ($multiple == 0) {
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$self->{output}->output_add(short_msg => "CPU '" . $self->{cpu}->{$id}->{num} . "' Usage $long_msg");
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}
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}
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$self->{output}->display();
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$self->{output}->exit();
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}
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sub check_cache {
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my ($self, %options) = @_;
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$self->{hostname} = $self->{snmp}->get_hostname();
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$self->{snmp_port} = $self->{snmp}->get_port();
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# init cache file
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$self->{write_cache} = 0;
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my $has_cache_file = $self->{statefile_cache}->read(statefile => 'cache_h3c_entity_' . $self->{hostname} . '_' . $self->{snmp_port});
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my $timestamp_cache = $self->{statefile_cache}->get(name => 'last_timestamp');
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if ($has_cache_file == 0 ||
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!defined($timestamp_cache) || ((time() - $timestamp_cache) > (($self->{option_results}->{reload_cache_time}) * 60))) {
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push @{$self->{snmp_request}}, { oid => $oid_entPhysicalEntry, start => $oid_entPhysicalDescr, end => $oid_entPhysicalName };
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$self->{write_cache} = 1;
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}
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}
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sub write_cache {
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my ($self, %options) = @_;
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if ($self->{write_cache} == 1) {
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my $datas = {};
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$datas->{last_timestamp} = time();
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$datas->{oids} = $self->{results}->{$oid_entPhysicalEntry};
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$self->{statefile_cache}->write(data => $datas);
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} else {
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$self->{results}->{$oid_entPhysicalEntry} = $self->{statefile_cache}->get(name => 'oids');
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}
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}
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sub get_long_name {
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my ($self, %options) = @_;
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my @names = ($self->{results}->{$oid_entPhysicalEntry}->{$oid_entPhysicalDescr . '.' . $options{instance}});
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my %loop = ($options{instance} => 1);
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my $child = $self->{results}->{$oid_entPhysicalEntry}->{$oid_entPhysicalContainedIn . '.' . $options{instance}};
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while (1) {
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last if (!defined($child) || defined($loop{$child}) || !defined($self->{results}->{$oid_entPhysicalEntry}->{$oid_entPhysicalDescr . '.' . $child}));
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unshift @names, $self->{results}->{$oid_entPhysicalEntry}->{$oid_entPhysicalDescr . '.' . $child};
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$loop{$child} = 1;
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$child = $self->{results}->{$oid_entPhysicalEntry}->{$oid_entPhysicalContainedIn . '.' . $child};
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}
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return join(' > ', @names);
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $oid_h3cEntityExtCpuUsage = '.1.3.6.1.4.1.2011.10.2.6.1.1.1.1.6';
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my $oid_hh3cEntityExtCpuUsage = '.1.3.6.1.4.1.25506.2.6.1.1.1.1.6';
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$self->{snmp_request} = [
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{ oid => $oid_h3cEntityExtCpuUsage },
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{ oid => $oid_hh3cEntityExtCpuUsage },
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];
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$self->check_cache() if (defined($self->{option_results}->{display_entity_name}));
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$self->{results} = $self->{snmp}->get_multiple_table(oids => $self->{snmp_request},
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nothing_quit => 1);
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$self->write_cache() if (defined($self->{option_results}->{display_entity_name}));
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$self->{branch} = $oid_hh3cEntityExtCpuUsage;
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if (defined($self->{results}->{$oid_h3cEntityExtCpuUsage}) && scalar(keys %{$self->{results}->{$oid_h3cEntityExtCpuUsage}}) > 0) {
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$self->{branch} = $oid_h3cEntityExtCpuUsage;
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}
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my $mapping = {
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EntityExtCpuUsage => { oid => $self->{branch} },
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};
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$self->{cpu} = {};
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foreach my $oid (keys %{$self->{results}->{$self->{branch}}}) {
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$oid =~ /^$mapping->{EntityExtCpuUsage}->{oid}\.(.*)$/;
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results}->{$self->{branch}}, instance => $instance);
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if (defined($result->{EntityExtCpuUsage}) && $result->{EntityExtCpuUsage} > 0) {
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my $name = '-';
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if (defined($self->{option_results}->{display_entity_name})) {
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$name = $self->get_long_name(instance => $instance);
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}
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$self->{cpu}->{$instance} = { num => $instance, name => $name, %$result};
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}
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}
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if (scalar(keys %{$self->{cpu}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No entry found.");
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$self->{output}->option_exit();
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}
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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 CPU usages.
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=over 8
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=item B<--warning-usage>
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Threshold warning.
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=item B<--critical-usage>
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Threshold critical.
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=item B<--reload-cache-time>
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Time in seconds before reloading cache file (default: 180).
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=item B<--display-entity-name>
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Display entity name of the component. A cache file will be used.
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=back
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=cut
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