372 lines
14 KiB
Perl
372 lines
14 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 centreon::common::cisco::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_perfdata {
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my ($self, %options) = @_;
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my ($label, $nlabel, $unit, $total) = ('used', $self->{nlabel}, '%', 100);
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my $value_perf = $self->{result_values}->{prct_used};
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my %total_options = ();
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if ($self->{result_values}->{total} != -1) {
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$nlabel = 'memory.usage.bytes';
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$unit = 'B';
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$total = $self->{result_values}->{total};
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$total_options{total} = $self->{result_values}->{total};
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$total_options{cast_int} = 1;
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$value_perf = $self->{result_values}->{used};
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}
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$self->{output}->perfdata_add(
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label => $label, unit => $unit,
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
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nlabel => $nlabel,
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value => $value_perf,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, %total_options),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, %total_options),
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min => 0, max => $total
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);
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}
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sub custom_usage_threshold {
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my ($self, %options) = @_;
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return $self->{perfdata}->threshold_check(value => $self->{result_values}->{prct_used}, threshold => [ { label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{thlabel}, exit_litteral => 'warning' } ]);
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}
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sub custom_usage_output {
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my ($self, %options) = @_;
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my $msg;
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if ($self->{result_values}->{total} != -1) {
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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("Usage 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, $self->{result_values}->{prct_free});
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} else {
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$msg = sprintf("Usage : %.2f %%", $self->{result_values}->{prct_used});
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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}->{prct_used} = $options{new_datas}->{$self->{instance} . '_prct_used'};
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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} . '_used'};
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if ($self->{result_values}->{total} != -1) {
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$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
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$self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
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}
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'memory', type => 1, cb_prefix_output => 'prefix_memory_output', message_multiple => 'All memories are ok', skipped_code => { -10 => 1 } },
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];
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$self->{maps_counters}->{memory} = [
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{ label => 'usage', nlabel => 'memory.usage.percentage', set => {
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key_values => [ { name => 'display' }, { name => 'used' }, { name => 'total' }, { name => 'prct_used' } ],
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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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'filter-pool:s' => { name => 'filter_pool' },
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'check-order:s' => { name => 'check_order', default => 'enhanced_pool,pool,process,system_ext' },
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});
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return $self;
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}
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my $mapping_memory_pool = {
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ciscoMemoryPoolName => { oid => '.1.3.6.1.4.1.9.9.48.1.1.1.2' },
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ciscoMemoryPoolUsed => { oid => '.1.3.6.1.4.1.9.9.48.1.1.1.5' }, # in B
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ciscoMemoryPoolFree => { oid => '.1.3.6.1.4.1.9.9.48.1.1.1.6' }, # in B
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};
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my $oid_ciscoMemoryPoolEntry = '.1.3.6.1.4.1.9.9.48.1.1.1';
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sub check_memory_pool {
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my ($self, %options) = @_;
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return if ($self->{checked_memory} == 1);
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my $snmp_result = $self->{snmp}->get_table(
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oid => $oid_ciscoMemoryPoolEntry,
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start => $mapping_memory_pool->{ciscoMemoryPoolName}->{oid}, end => $mapping_memory_pool->{ciscoMemoryPoolFree}->{oid}
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);
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foreach my $oid (keys %{$snmp_result}) {
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next if ($oid !~ /^$mapping_memory_pool->{ciscoMemoryPoolName}->{oid}\.(.*)$/);
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping_memory_pool, results => $snmp_result, instance => $instance);
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$self->{checked_memory} = 1;
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if (defined($self->{option_results}->{filter_pool}) && $self->{option_results}->{filter_pool} ne '' &&
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$result->{ciscoMemoryPoolName} !~ /$self->{option_results}->{filter_pool}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $result->{ciscoMemoryPoolName} . "': no matching filter.", debug => 1);
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next;
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}
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$self->{memory}->{$instance} = {
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display => $result->{ciscoMemoryPoolName},
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total => $result->{ciscoMemoryPoolFree} + $result->{ciscoMemoryPoolUsed},
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used => $result->{ciscoMemoryPoolUsed},
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prct_used => -1,
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};
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}
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}
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my $oid_cseSysMemoryUtilization = '.1.3.6.1.4.1.9.9.305.1.1.2';
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sub check_memory_system_ext {
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my ($self, %options) = @_;
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return if ($self->{checked_memory} == 1);
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my $snmp_result = $self->{snmp}->get_table(
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oid => $oid_cseSysMemoryUtilization,
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);
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foreach my $oid (keys %{$snmp_result}) {
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my $used = $snmp_result->{$oid};
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next if ($used eq '');
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my $display = 'system';
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$self->{checked_memory} = 1;
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if (defined($self->{option_results}->{filter_pool}) && $self->{option_results}->{filter_pool} ne '' &&
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$display !~ /$self->{option_results}->{filter_pool}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $display . "': no matching filter.", debug => 1);
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next;
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}
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$self->{memory}->{system} = {
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display => 'system',
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total => -1,
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used => -1,
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prct_used => $used,
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};
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}
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}
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my $mapping_enh_memory_pool = {
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cempMemPoolName => { oid => '.1.3.6.1.4.1.9.9.221.1.1.1.1.3' },
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cempMemPoolUsed => { oid => '.1.3.6.1.4.1.9.9.221.1.1.1.1.7' }, # in B
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cempMemPoolFree => { oid => '.1.3.6.1.4.1.9.9.221.1.1.1.1.8' }, # in B
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cempMemPoolHCUsed => { oid => '.1.3.6.1.4.1.9.9.221.1.1.1.1.18' }, # in B
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cempMemPoolHCFree => { oid => '.1.3.6.1.4.1.9.9.221.1.1.1.1.20' }, # in B
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};
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sub check_memory_enhanced_pool {
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my ($self, %options) = @_;
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return if ($self->{checked_memory} == 1);
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my $oids = [
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{ oid => $mapping_enh_memory_pool->{cempMemPoolName}->{oid} },
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{ oid => $mapping_enh_memory_pool->{cempMemPoolUsed}->{oid} },
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{ oid => $mapping_enh_memory_pool->{cempMemPoolFree}->{oid} },
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];
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if (!$self->{snmp}->is_snmpv1()) {
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push @{$oids}, { oid => $mapping_enh_memory_pool->{cempMemPoolHCUsed}->{oid} },
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{ oid => $mapping_enh_memory_pool->{cempMemPoolHCFree}->{oid} };
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}
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my $snmp_result = $self->{snmp}->get_multiple_table(
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oids => $oids,
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return_type => 1
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);
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my $physical_array = {};
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foreach my $oid (keys %{$snmp_result}) {
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next if ($oid !~ /^$mapping_enh_memory_pool->{cempMemPoolName}->{oid}\.(.*?)\.(.*)$/);
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my ($physical_index, $mem_index) = ($1, $2);
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my $result = $self->{snmp}->map_instance(mapping => $mapping_enh_memory_pool, results => $snmp_result, instance => $physical_index . '.' . $mem_index);
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$self->{checked_memory} = 1;
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if (defined($self->{option_results}->{filter_pool}) && $self->{option_results}->{filter_pool} ne '' &&
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$result->{cempMemPoolName} !~ /$self->{option_results}->{filter_pool}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $result->{cempMemPoolName} . "': no matching filter.", debug => 1);
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next;
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}
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my $used = defined($result->{cempMemPoolHCUsed}) ? $result->{cempMemPoolHCUsed} : $result->{cempMemPoolUsed};
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my $free = defined($result->{cempMemPoolHCFree}) ? $result->{cempMemPoolHCFree} : $result->{cempMemPoolFree};
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if ($used + $free <= 0) {
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$self->{output}->output_add(long_msg => "skipping '" . $result->{cempMemPoolName} . "': no total.", debug => 1);
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next;
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}
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$physical_array->{$physical_index} = 1;
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$self->{memory}->{$physical_index . '.' . $mem_index} = {
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display => $result->{cempMemPoolName},
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total => $used + $free,
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used => $used,
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prct_used => -1,
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physical_index => $physical_index,
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};
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}
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if (scalar(keys %$physical_array) > 0) {
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my $oid_entPhysicalName = '.1.3.6.1.2.1.47.1.1.1.1.7';
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$self->{snmp}->load(
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oids => [$oid_entPhysicalName],
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instances => [keys %$physical_array],
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instance_regexp => '^(.*)$'
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);
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$snmp_result = $self->{snmp}->get_leef();
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foreach (keys %{$self->{memory}}) {
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if (defined($snmp_result->{ $oid_entPhysicalName . '.' . $self->{memory}->{$_}->{physical_index} })) {
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$self->{memory}->{$_}->{display} =
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$snmp_result->{ $oid_entPhysicalName . '.' . $self->{memory}->{$_}->{physical_index} } . '_' . $self->{memory}->{$_}->{display};
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}
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}
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}
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}
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my $mapping_memory_process = {
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cpmCPUMemoryUsed => { oid => '.1.3.6.1.4.1.9.9.109.1.1.1.1.12' }, # in KB
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cpmCPUMemoryFree => { oid => '.1.3.6.1.4.1.9.9.109.1.1.1.1.13' }, # in KB
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cpmCPUMemoryUsedOvrflw => { oid => '.1.3.6.1.4.1.9.9.109.1.1.1.1.16' }, # in KB
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cpmCPUMemoryFreeOvrflw => { oid => '.1.3.6.1.4.1.9.9.109.1.1.1.1.18' }, # in KB
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};
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sub check_memory_process {
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my ($self, %options) = @_;
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return if ($self->{checked_memory} == 1);
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my $oid_cpmCPUTotalEntry = '.1.3.6.1.4.1.9.9.109.1.1.1.1';
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my $snmp_result = $self->{snmp}->get_table(
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oid => $oid_cpmCPUTotalEntry,
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start => $mapping_memory_process->{cpmCPUMemoryUsed}->{oid},
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end => $mapping_memory_process->{cpmCPUMemoryFreeOvrflw}->{oid},
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);
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foreach my $oid (keys %{$snmp_result}) {
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next if ($oid !~ /^$mapping_memory_process->{cpmCPUMemoryUsed}->{oid}\.(.*)$/);
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping_memory_process, results => $snmp_result, instance => $instance);
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$self->{checked_memory} = 1;
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my $used = (
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defined($result->{cpmCPUMemoryUsedOvrflw}) ?
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($result->{cpmCPUMemoryUsedOvrflw} << 32) + ($result->{cpmCPUMemoryUsed}) :
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$result->{cpmCPUMemoryUsed}
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) * 1024;
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my $free = (
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defined($result->{cpmCPUMemoryFreeOvrflw}) ?
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($result->{cpmCPUMemoryFreeOvrflw} << 32) + ($result->{cpmCPUMemoryFree}) :
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$result->{cpmCPUMemoryFree}
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) * 1024;
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$self->{memory}->{$instance} = {
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display => $instance,
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total => $used + $free,
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used => $used,
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prct_used => -1,
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};
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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$self->{checked_memory} = 0;
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$self->{memory} = {};
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foreach (split /,/, $self->{option_results}->{check_order}) {
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my $method = $self->can('check_memory_' . $_);
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if ($method) {
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$self->$method();
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}
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}
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if ($self->{checked_memory} == 0) {
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$self->{output}->add_option_msg(short_msg => "Cannot find memory informations");
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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 usage (CISCO-MEMORY-POOL-MIB, CISCO-ENHANCED-MEMPOOL-MIB, CISCO-PROCESS-MIB, CISCO-SYSTEM-EXT-MIB).
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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<--filter-pool>
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Filter pool to check (can use regexp).
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=item B<--check-order>
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Check memory in standard cisco mib. If you have some issue (wrong memory information in a specific mib), you can change the order
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(Default: 'enhanced_pool,pool,process,system_ext').
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=back
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=cut
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