283 lines
11 KiB
Perl
283 lines
11 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 centreon::common::h3c::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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use centreon::plugins::statefile;
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sub custom_usage_perfdata {
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my ($self, %options) = @_;
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if ($self->{result_values}->{total} == 4294967295) {
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$self->{output}->perfdata_add(
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label => 'used', unit => '%',
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nlabel => 'memory.usage.percentage',
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
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value => $self->{result_values}->{prct_used},
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}),
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min => 0, max => 100
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);
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} else {
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$self->{output}->perfdata_add(
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label => 'used', unit => 'B',
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nlabel => $self->{nlabel},
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
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value => int($self->{result_values}->{used}),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, total => $self->{result_values}->{total}, cast_int => 1),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, total => $self->{result_values}->{total}, cast_int => 1),
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min => 0, max => $self->{result_values}->{total}
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);
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}
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}
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sub custom_usage_threshold {
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my ($self, %options) = @_;
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my $exit = $self->{perfdata}->threshold_check(value => $self->{result_values}->{prct_used}, threshold => [ { label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' }, { label => 'warning-' . $self->{thlabel}, exit_litteral => 'warning' } ]);
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return $exit;
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}
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sub custom_usage_output {
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my ($self, %options) = @_;
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my $msg;
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if ($self->{result_values}->{total} == 4294967295) {
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$msg = sprintf("Used: %.2f%% Free: %.2f%%",
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$self->{result_values}->{prct_used},
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$self->{result_values}->{prct_free});
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} else {
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my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
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my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
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$msg = sprintf("Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_size_value . " " . $total_size_unit,
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$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
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$total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
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}
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return $msg;
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}
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sub custom_usage_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'};
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$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_total'} * $options{new_datas}->{$self->{instance} . '_used_prct'} / 100;
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$self->{result_values}->{free} = $options{new_datas}->{$self->{instance} . '_total'} - $self->{result_values}->{used};
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$self->{result_values}->{prct_free} = 100 - $options{new_datas}->{$self->{instance} . '_used_prct'};
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$self->{result_values}->{prct_used} = $options{new_datas}->{$self->{instance} . '_used_prct'};
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return 0;
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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' }
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];
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$self->{maps_counters}->{memory} = [
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{ label => 'usage', nlabel => 'memory.usage.bytes', set => {
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key_values => [ { name => 'display' }, { name => 'used_prct' }, { name => 'total' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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closure_custom_output => $self->can('custom_usage_output'),
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closure_custom_perfdata => $self->can('custom_usage_perfdata'),
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closure_custom_threshold_check => $self->can('custom_usage_threshold'),
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}
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},
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];
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}
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sub prefix_memory_output {
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my ($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);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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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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$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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$self->SUPER::check_options(%options);
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$self->{statefile_cache}->check_options(%options);
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}
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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 $oid_entPhysicalName = '.1.3.6.1.2.1.47.1.1.1.1.7';
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sub check_cache {
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my ($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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$self->{snmp} = $options{snmp};
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my $oid_h3cEntityExtStateEntry = '.1.3.6.1.4.1.2011.10.2.6.1.1.1.1';
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my $oid_hh3cEntityExtStateEntry = '.1.3.6.1.4.1.25506.2.6.1.1.1.1';
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my $oid_hh3cEntityExtMemUsage = '.1.3.6.1.4.1.25506.2.6.1.1.1.1.8';
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my $oid_hh3cEntityExtMemSize = '.1.3.6.1.4.1.25506.2.6.1.1.1.1.10';
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my $oid_h3cEntityExtMemUsage = '.1.3.6.1.4.1.2011.10.2.6.1.1.1.1.8';
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my $oid_h3cEntityExtMemSize = '.1.3.6.1.4.1.2011.10.2.6.1.1.1.1.10';
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$self->{snmp_request} = [
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{ oid => $oid_hh3cEntityExtMemUsage },
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{ oid => $oid_hh3cEntityExtMemSize },
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{ oid => $oid_h3cEntityExtMemUsage },
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{ oid => $oid_h3cEntityExtMemSize },
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];
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$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} = $oid_hh3cEntityExtStateEntry;
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if (defined($self->{results}->{$oid_h3cEntityExtMemUsage}) && scalar(keys %{$self->{results}->{$oid_h3cEntityExtMemUsage}}) > 0) {
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$self->{branch} = $oid_h3cEntityExtStateEntry;
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}
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my $mapping = {
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EntityExtMemUsage => { oid => $self->{branch} . '.8' },
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};
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my $mapping2 = {
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EntityExtMemSize => { oid => $self->{branch} . '.10' },
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};
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$self->{memory} = {};
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foreach my $oid (keys %{$self->{results}->{$self->{branch} . '.8'}}) {
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next if ($oid !~ /^$self->{branch}\.8\.(\d+)/);
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results}->{$self->{branch} . '.8'}, instance => $instance);
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my $result2 = $self->{snmp}->map_instance(mapping => $mapping2, results => $self->{results}->{$self->{branch} . '.10'}, instance => $instance);
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if (defined($result2->{EntityExtMemSize}) && $result2->{EntityExtMemSize} > 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->{memory}->{$instance} = {
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display => $instance, name => $name,
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used_prct => $result->{EntityExtMemUsage},
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total => $result2->{EntityExtMemSize}
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};
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}
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}
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if (scalar(keys %{$self->{memory}}) <= 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 memory usages.
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=over 8
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=item B<--warning-usage>
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Threshold warning (in percent).
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=item B<--critical-usage>
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Threshold critical (in percent).
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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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