centreon-plugins/network/mrv/optiswitch/snmp/mode/memory.pm

93 lines
2.4 KiB
Perl

#
# Copyright 2021 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 network::mrv::optiswitch::snmp::mode::memory;
use base qw(snmp_standard::mode::memory);
use strict;
use warnings;
sub memory_calc {
my ($self, %options) = @_;
my $available = ($options{result}->{memTotalFree}) ? $options{result}->{memTotalFree} * 1024 : 0;
my $total = ($options{result}->{memTotalReal}) ? $options{result}->{memTotalReal} * 1024 : 0;
my $buffer = ($options{result}->{memBuffer}) ? $options{result}->{memBuffer} * 1024 : 0;
my $cached = ($options{result}->{memCached}) ? $options{result}->{memCached} * 1024 : 0;
my ($used, $free, $prct_used, $prct_free) = (0, 0, 0, 0);
if ($total != 0) {
$used = $total - $available - $buffer - $cached;
$free = $total - $used;
$prct_used = $used * 100 / $total;
$prct_free = 100 - $prct_used;
}
$self->{ram} = {
total => $total,
used => $used,
free => $free,
prct_used => $prct_used,
prct_free => $prct_free,
memShared => ($options{result}->{memShared}) ? $options{result}->{memShared} * 1024 : 0,
memBuffer => $buffer,
memCached => $cached,
};
}
1;
__END__
=head1 MODE
Check memory usage (UCD-SNMP-MIB).
=over 8
=item B<--units>
Units of thresholds (Default: '%') ('%', 'absolute').
=item B<--free>
Thresholds are on free space left.
=item B<--swap>
Check swap also.
=item B<--warning-*>
Threshold warning.
Can be: 'usage', 'swap', 'buffer' (absolute),
'cached' (absolute), 'shared' (absolute).
=item B<--critical-*>
Threshold critical.
Can be: 'usage', 'swap', 'buffer' (absolute),
'cached' (absolute), 'shared' (absolute).
=back
=cut