# # Copyright 2018 Centreon (http://www.centreon.com/) # # Centreon is a full-fledged industry-strength solution that meets # the needs in IT infrastructure and application monitoring for # service performance. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # package os::windows::snmp::mode::memory; use base qw(centreon::plugins::templates::counter); use strict; use warnings; my $instance_mode; sub custom_usage_perfdata { my ($self, %options) = @_; my $label = 'used'; my $value_perf = $self->{result_values}->{used}; if (defined($instance_mode->{option_results}->{free})) { $label = 'free'; $value_perf = $self->{result_values}->{free}; } my %total_options = (); if ($instance_mode->{option_results}->{units} eq '%') { $total_options{total} = $self->{result_values}->{total}; $total_options{cast_int} = 1; } $self->{output}->perfdata_add(label => $label, value => $value_perf, unit => 'B', warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, %total_options), critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options), min => 0, max => $self->{result_values}->{total}); } sub custom_usage_threshold { my ($self, %options) = @_; my ($exit, $threshold_value); $threshold_value = $self->{result_values}->{used}; $threshold_value = $self->{result_values}->{free} if (defined($instance_mode->{option_results}->{free})); if ($instance_mode->{option_results}->{units} eq '%') { $threshold_value = $self->{result_values}->{prct_used}; $threshold_value = $self->{result_values}->{prct_free} if (defined($instance_mode->{option_results}->{free})); } $exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]); return $exit; } sub custom_usage_output { my ($self, %options) = @_; my $msg = sprintf("Total: %s%s Used: %s%s (%.2f%%) Free: %s%s (%.2f%%)", $self->{perfdata}->change_bytes(value => $self->{result_values}->{total}), $self->{perfdata}->change_bytes(value => $self->{result_values}->{used}), $self->{result_values}->{prct_used}, $self->{perfdata}->change_bytes(value => $self->{result_values}->{free}), $self->{result_values}->{prct_free}); return $msg; } sub custom_usage_calc { my ($self, %options) = @_; $self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'}; $self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'}; $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total}; $self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used}; $self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used}; return 0; } sub set_counters { my ($self, %options) = @_; $self->{maps_counters_type} = [ { name => 'memory', type => 0, cb_prefix_output => 'prefix_memory_output' }, ]; $self->{maps_counters}->{memory} = [ { label => 'memory', set => { key_values => [ { name => 'used' }, { name => 'total' } ], closure_custom_calc => \&custom_usage_calc, closure_custom_output => \&custom_usage_output, closure_custom_perfdata => \&custom_usage_perfdata, closure_custom_threshold_check => \&custom_usage_threshold, } }, ]; } sub prefix_memory_output { my ($self, %options) = @_; return "RAM "; } sub new { my ($class, %options) = @_; my $self = $class->SUPER::new(package => __PACKAGE__, %options); bless $self, $class; $self->{version} = '1.0'; $options{options}->add_options(arguments => { "units:s" => { name => 'units', default => '%' }, "free" => { name => 'free' }, }); return $self; } sub check_options { my ($self, %options) = @_; $self->SUPER::check_options(%options); $instance_mode = $self; } sub manage_selection { my ($self, %options) = @_; my ($total_bytes, $used_bytes, $free_bytes); my $oid_hrStorageDescr = '.1.3.6.1.2.1.25.2.3.1.3'; my $result = $options{snmp}->get_table(oid => $oid_hrStorageDescr); foreach my $key (keys %$result) { next if ($key !~ /\.([0-9]+)$/); my $oid = $1; if ($result->{$key} =~ /^Physical (memory|RAM)$/i) { $self->{physical_memory_id} = $oid; } } if (!defined($self->{physical_memory_id})) { $self->{output}->add_option_msg(short_msg => "Cannot find physical memory informations."); $self->{output}->option_exit(); } my $oid_hrStorageAllocationUnits = '.1.3.6.1.2.1.25.2.3.1.4'; my $oid_hrStorageSize = '.1.3.6.1.2.1.25.2.3.1.5'; my $oid_hrStorageUsed = '.1.3.6.1.2.1.25.2.3.1.6'; $options{snmp}->load(oids => [$oid_hrStorageAllocationUnits, $oid_hrStorageSize, $oid_hrStorageUsed], instances => [$self->{physical_memory_id}]); $result = $options{snmp}->get_leef(); $used_bytes = $result->{$oid_hrStorageUsed . "." . $self->{physical_memory_id}} * $result->{$oid_hrStorageAllocationUnits . "." . $self->{physical_memory_id}}; $total_bytes = $result->{$oid_hrStorageSize . "." . $self->{physical_memory_id}} * $result->{$oid_hrStorageAllocationUnits . "." . $self->{physical_memory_id}}; $free_bytes = $total_bytes - $used_bytes; $self->{memory} = { used => $used_bytes, total => $total_bytes }; } 1; __END__ =head1 MODE Check memory usage =over 8 =item B<--units> Units of thresholds (Default: '%') ('%', 'absolute'). =item B<--free> Thresholds are on free space left. =item B<--warning-*> Threshold warning. Can be: 'memory'. =item B<--critical-*> Threshold critical. Can be: 'memory'. =back =cut