centreon-plugins/centreon/common/frogfoot/snmp/mode/memory.pm

121 lines
3.9 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 centreon::common::frogfoot::snmp::mode::memory;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
sub custom_usage_output {
my ($self, %options) = @_;
return sprintf(
'Memory 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}),
$self->{result_values}->{prct_free}
);
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'memory', type => 0, skipped_code => { -10 => 1 } }
];
$self->{maps_counters}->{memory} = [
{ label => 'usage', nlabel => 'memory.usage.bytes', set => {
key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_usage_output'),
perfdatas => [
{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1 }
]
}
},
{ label => 'usage-free', display_ok => 0, nlabel => 'memory.free.bytes', set => {
key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_usage_output'),
perfdatas => [
{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1 }
]
}
},
{ label => 'usage-prct', display_ok => 0, nlabel => 'memory.usage.percentage', set => {
key_values => [ { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_usage_output'),
perfdatas => [
{ template => '%.2f', min => 0, max => 100, unit => '%' }
]
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
my $oid_memTotal = '.1.3.6.1.4.1.10002.1.1.1.1.1.0'; # KB
my $oid_memFree = '.1.3.6.1.4.1.10002.1.1.1.1.2.0'; # KB
my $result = $options{snmp}->get_leef(oids => [$oid_memTotal, $oid_memFree], nothing_quit => 1);
my $free = $result->{$oid_memFree} * 1024;
my $total = $result->{$oid_memTotal} * 1024;
my $prct_used = ($total - $free) * 100 / $total;
$self->{memory} = {
total => $total,
used => $total - $free,
free => $free,
prct_used => $prct_used,
prct_free => 100 - $prct_used
}
}
1;
__END__
=head1 MODE
Check memory usage.
=over 8
=item B<--warning-*> B<--critical-*>
Thresholds.
Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%).
=back
=cut