220 lines
8.5 KiB
Perl
220 lines
8.5 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 os::freebsd::snmp::mode::memory;
|
|
|
|
use base qw(centreon::plugins::mode);
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
sub new {
|
|
my ($class, %options) = @_;
|
|
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
|
|
bless $self, $class;
|
|
|
|
$options{options}->add_options(arguments => {
|
|
"warning:s" => { name => 'warning' },
|
|
"critical:s" => { name => 'critical' },
|
|
"swap" => { name => 'check_swap' },
|
|
"warning-swap:s" => { name => 'warning_swap' },
|
|
"critical-swap:s" => { name => 'critical_swap' },
|
|
"no-swap:s" => { name => 'no_swap' }
|
|
});
|
|
|
|
$self->{no_swap} = 'critical';
|
|
return $self;
|
|
}
|
|
|
|
sub check_options {
|
|
my ($self, %options) = @_;
|
|
$self->SUPER::init(%options);
|
|
|
|
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
|
|
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
|
|
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
if (defined($self->{option_results}->{check_swap})) {
|
|
if (($self->{perfdata}->threshold_validate(label => 'warning-swap', value => $self->{option_results}->{warning_swap})) == 0) {
|
|
$self->{output}->add_option_msg(short_msg => "Wrong warning-swap threshold '" . $self->{option_results}->{warning_swap} . "'.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
if (($self->{perfdata}->threshold_validate(label => 'critical-swap', value => $self->{option_results}->{critical_swap})) == 0) {
|
|
$self->{output}->add_option_msg(short_msg => "Wrong critical-swap threshold '" . $self->{option_results}->{critical_swap} . "'.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
if (defined($self->{option_results}->{no_swap}) && $self->{option_results}->{no_swap} ne '') {
|
|
if ($self->{output}->is_litteral_status(status => $self->{option_results}->{no_swap}) == 0) {
|
|
$self->{output}->add_option_msg(short_msg => "Wrong --no-swap status '" . $self->{option_results}->{no_swap} . "'.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
$self->{no_swap} = $self->{option_results}->{no_swap};
|
|
}
|
|
}
|
|
}
|
|
|
|
sub run {
|
|
my ($self, %options) = @_;
|
|
$self->{snmp} = $options{snmp};
|
|
|
|
# with bsnmpd-ucd 0.4.1
|
|
my $oid_memTotalReal = '.1.3.6.1.4.1.2021.4.5.0'; # hw.physmem
|
|
my $oid_memAvailReal = '.1.3.6.1.4.1.2021.4.6.0'; # vm.stats.vm.v_free_count
|
|
my $oid_memShared = '.1.3.6.1.4.1.2021.4.13.0'; # not needed
|
|
my $oid_memBuffer = '.1.3.6.1.4.1.2021.4.14.0'; # vfs.bufspace (not needed)
|
|
my $oid_memCached = '.1.3.6.1.4.1.2021.4.15.0'; # vm.stats.vm.v_cache_count + vm.stats.vm.v_inactive_count
|
|
my $oid_memTotalSwap = '.1.3.6.1.4.1.2021.4.3.0'; # KB
|
|
my $oid_memAvailSwap = '.1.3.6.1.4.1.2021.4.4.0'; # KB
|
|
|
|
my $oids = [$oid_memTotalReal, $oid_memAvailReal,
|
|
$oid_memShared, $oid_memBuffer, $oid_memCached];
|
|
if (defined($self->{option_results}->{check_swap})) {
|
|
push @$oids, ($oid_memTotalSwap, $oid_memAvailSwap);
|
|
}
|
|
|
|
my $result = $self->{snmp}->get_leef(
|
|
oids => $oids,
|
|
nothing_quit => 1
|
|
);
|
|
|
|
my $cached_used = $result->{$oid_memCached} * 1024;
|
|
my $physical_used = ($result->{$oid_memTotalReal} * 1024) - ($result->{$oid_memAvailReal} * 1024);
|
|
# mem_available = total - mem_inactive - mem_cache - mem_free
|
|
# Maybe it's will be better to have have total with: total = 'active' + 'wired' + 'cache' + 'inactive' + 'free'
|
|
# But i can't have that with values from bsnmpd-ucd
|
|
my $nobuf_used = $physical_used - $cached_used;
|
|
|
|
my $total_size = $result->{$oid_memTotalReal} * 1024;
|
|
|
|
my $prct_used = $nobuf_used * 100 / $total_size;
|
|
my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
|
|
|
|
my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
|
|
my ($nobuf_value, $nobuf_unit) = $self->{perfdata}->change_bytes(value => $nobuf_used);
|
|
my ($cached_value, $cached_unit) = $self->{perfdata}->change_bytes(value => $cached_used);
|
|
|
|
$self->{output}->output_add(
|
|
severity => $exit,
|
|
short_msg => sprintf(
|
|
"Ram Total: %s, Used (-cache): %s (%.2f%%), Cached: %s",
|
|
$total_value . " " . $total_unit,
|
|
$nobuf_value . " " . $nobuf_unit, $prct_used,
|
|
$cached_value . " " . $cached_unit
|
|
)
|
|
);
|
|
|
|
$self->{output}->perfdata_add(
|
|
label => "cached", nlabel => 'memory.cached.bytes', unit => 'B',
|
|
value => $cached_used,
|
|
min => 0
|
|
);
|
|
$self->{output}->perfdata_add(
|
|
label => "used", nlabel => 'memory.usage.bytes', unit => 'B',
|
|
value => $nobuf_used,
|
|
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size, cast_int => 1),
|
|
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size, cast_int => 1),
|
|
min => 0, max => $total_size
|
|
);
|
|
|
|
if (defined($self->{option_results}->{check_swap})) {
|
|
if ($result->{$oid_memTotalSwap} == 0) {
|
|
$self->{output}->output_add(
|
|
severity => $self->{no_swap},
|
|
short_msg => 'No active swap.'
|
|
);
|
|
$self->{output}->display();
|
|
$self->{output}->exit();
|
|
}
|
|
|
|
$total_size = $result->{$oid_memTotalSwap} * 1024;
|
|
my $swap_used = ($result->{$oid_memTotalSwap} - $result->{$oid_memAvailSwap}) * 1024;
|
|
|
|
$prct_used = $swap_used * 100 / $total_size;
|
|
$exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical-swap', 'exit_litteral' => 'critical' }, { label => 'warning-swap', exit_litteral => 'warning' } ]);
|
|
|
|
my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
|
|
my ($swap_used_value, $swap_used_unit) = $self->{perfdata}->change_bytes(value => $swap_used);
|
|
my ($swap_free_value, $swap_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $swap_used));
|
|
|
|
$self->{output}->output_add(
|
|
severity => $exit,
|
|
short_msg => sprintf(
|
|
"Swap Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
|
|
$total_value . " " . $total_unit,
|
|
$swap_used_value . " " . $swap_used_unit, $prct_used,
|
|
$swap_free_value . " " . $swap_free_unit, (100 - $prct_used)
|
|
)
|
|
);
|
|
|
|
$self->{output}->perfdata_add(
|
|
label => "swap", nlabel => 'swap.usage.bytes', unit => 'B',
|
|
value => $swap_used,
|
|
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-swap', total => $total_size, cast_int => 1),
|
|
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-swap', total => $total_size, cast_int => 1),
|
|
min => 0, max => $total_size
|
|
);
|
|
}
|
|
|
|
$self->{output}->display();
|
|
$self->{output}->exit();
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 MODE
|
|
|
|
Check physical memory (UCD-SNMP-MIB).
|
|
|
|
=over 8
|
|
|
|
=item B<--warning>
|
|
|
|
Threshold warning in percent.
|
|
|
|
=item B<--critical>
|
|
|
|
Threshold critical in percent.
|
|
|
|
=item B<--swap>
|
|
|
|
Check swap also.
|
|
|
|
=item B<--warning-swap>
|
|
|
|
Threshold warning in percent.
|
|
|
|
=item B<--critical-swap>
|
|
|
|
Threshold critical in percent.
|
|
|
|
=item B<--no-swap>
|
|
|
|
Threshold if no active swap (default: 'critical').
|
|
|
|
=back
|
|
|
|
=cut
|