204 lines
6.9 KiB
Perl
204 lines
6.9 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 storage::qnap::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_ram_usage_output {
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my ($self, %options) = @_;
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return sprintf(
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'Memory total: %s %s used: %s %s (%.2f%%) free: %s %s (%.2f%%)',
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$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 => 'ram', type => 0, skipped_code => { -10 => 1 } }
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];
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$self->{maps_counters}->{ram} = [
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{ label => 'memory-usage', nlabel => 'memory.usage.bytes', set => {
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key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_ram_usage_output'),
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perfdatas => [
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{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1 }
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]
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}
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},
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{ label => 'memory-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' } ],
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closure_custom_output => $self->can('custom_ram_usage_output'),
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perfdatas => [
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{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1 }
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]
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}
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},
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{ label => 'memory-usage-prct', display_ok => 0, nlabel => 'memory.usage.percentage', set => {
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key_values => [ { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'prct_free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_ram_usage_output'),
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perfdatas => [
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{ template => '%.2f', min => 0, max => 100, unit => '%' }
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]
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}
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}
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];
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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'force-counters-legacy' => { name => 'force_counters_legacy' }
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});
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return $self;
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}
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sub convert_bytes {
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my ($self, %options) = @_;
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my $multiple = defined($options{network}) ? 1000 : 1024;
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my %units = (K => 1, M => 2, G => 3, T => 4);
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if ($options{value} !~ /^\s*([0-9\.\,]+)\s*(.)/) {
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$self->{output}->output_add(
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severity => 'UNKNOWN',
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output => "Cannot convert value '" . $options{value} . "'"
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);
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$self->{output}->display();
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$self->{output}->exit();
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}
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my ($bytes, $unit) = ($1, uc($2));
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for (my $i = 0; $i < $units{$unit}; $i++) {
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$bytes *= $multiple;
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}
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return $bytes;
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}
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# From QTS GUI (4.5.4.1741) :
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# Used memory is "total usable memory" minus "available memory".
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# (Available memory is the sum of free, buffer, cache, and other reclaimable memory.)
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# Cache memory used by file systems and processes are not included in "used memory".
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my $mapping = {
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legacy => {
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ram_total => { oid => '.1.3.6.1.4.1.24681.1.2.2' }, # systemTotalMem
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ram_free => { oid => '.1.3.6.1.4.1.24681.1.2.3' } # systemFreeMem
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},
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ex => {
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ram_total => { oid => '.1.3.6.1.4.1.24681.1.3.2' }, # systemTotalMemEX
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ram_free => { oid => '.1.3.6.1.4.1.24681.1.3.3' } # systemFreeMemEX
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},
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es => {
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ram_total => { oid => '.1.3.6.1.4.1.24681.2.2.2' }, # es-SystemTotalMem
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ram_free => { oid => '.1.3.6.1.4.1.24681.2.2.3' } # es-SystemFreeMem
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},
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qts => {
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ram_total => { oid => '.1.3.6.1.4.1.55062.1.12.13' }, # systemTotalMem
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ram_free => { oid => '.1.3.6.1.4.1.55062.1.12.15' } # systemAvailableMem
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}
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};
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sub check_memory {
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my ($self, %options) = @_;
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return 0 if (defined($self->{ram}->{total}));
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my $result = $options{snmp}->map_instance(mapping => $mapping->{ $options{type} }, results => $options{snmp_result}, instance => 0);
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return 0 if (!defined($result->{ram_free}));
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if (defined($options{convert})) {
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$result->{ram_total} = $self->convert_bytes(value => $result->{ram_total});
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$result->{ram_free} = $self->convert_bytes(value => $result->{ram_free});
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}
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if (defined($result->{ram_total}) && $result->{ram_total} > 0) {
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$self->{ram} = {
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total => $result->{ram_total},
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used => $result->{ram_total} - $result->{ram_free},
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free => $result->{ram_free},
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prct_used => 100 - ($result->{ram_free} * 100 / $result->{ram_total}),
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prct_free => $result->{ram_free} * 100 / $result->{ram_total}
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};
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $snmp_result = $options{snmp}->get_leef(
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oids => [
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map(
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$_->{oid} . '.0',
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values(%{$mapping->{legacy}}),
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values(%{$mapping->{ex}}),
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values(%{$mapping->{es}}),
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values(%{$mapping->{qts}})
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)
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],
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nothing_quit => 1
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);
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if (!defined($self->{option_results}->{force_counters_legacy})) {
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$self->check_memory(snmp => $options{snmp}, type => 'qts', snmp_result => $snmp_result);
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$self->check_memory(snmp => $options{snmp}, type => 'ex', snmp_result => $snmp_result);
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$self->check_memory(snmp => $options{snmp}, type => 'es', snmp_result => $snmp_result, convert => 1);
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}
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$self->check_memory(snmp => $options{snmp}, type => 'legacy', snmp_result => $snmp_result, convert => 1);
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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.
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=over 8
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=item B<--force-counters-legacy>
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Force to use legacy counters. Should be used when EX/ES/QTS counters are buggy.
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=item B<--warning-*> B<--critical-*>
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Thresholds.
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Can be: 'memory-usage' (B), 'memory-usage-free' (B), 'memory-usage-prct' (%).
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=back
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=cut
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