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Create memorydetailed.pm 

Detailed check of your JVM memory usage
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Sims24 2015-06-30 08:39:38 +02:00
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################################################################################
# Copyright 2005-2013 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation ; either version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <http://www.gnu.org/licenses>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an executable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting executable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
# Authors : Simon Bomm <sbomm@centreon.com>
#
####################################################################################
package centreon::common::jvm::mode::memorydetailed;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
my %mapping_memory = (
'Eden Space' => 'eden',
'Par Eden Space' => 'eden',
'PS Eden Space' => 'eden',
'Survivor Space' => 'survivor',
'Par Survivor Space' => 'survivor',
'PS Survivor Space' => 'survivor',
'CMS Perm Gen' => 'permanent',
'PS Perm Gen' => 'permanent',
'Code Cache' => 'code',
'CMS Old Gen' => 'tenured',
'PS Old Gen' => 'tenured',
);
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 =>
{
"warning-eden:s" => { name => 'warning_eden', default => '80' },
"critical-eden:s" => { name => 'critical_eden', default => '90' },
"warning-survivor:s" => { name => 'warning_survivor', default => '80' },
"critical-survivor:s" => { name => 'critical_survivor', default => '90' },
"warning-tenured:s" => { name => 'warning_tenured', default => '80' },
"critical-tenured:s" => { name => 'critical_tenured', default => '90' },
"warning-permanent:s" => { name => 'warning_permanent', default => '80' },
"critical-permanent:s" => { name => 'critical_permanent', default => '90' },
"warning-code:s" => { name => 'warning_code', default => '80' },
"critical-code:s" => { name => 'critical_code', default => '90' }
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
foreach my $label ('warning_eden', 'critical_eden', 'warning_survivor', 'critical_survivor', 'warning_tenured', 'critical_tenured', 'warning_permanent', 'critical_permanent', 'warning_code', 'critical_code') {
if (($self->{perfdata}->threshold_validate(label => $label, value => $self->{option_results}->{$label})) == 0) {
my ($label_opt) = $label;
$label_opt =~ tr/_/-/;
$self->{output}->add_option_msg(short_msg => "Wrong " . $label_opt . " threshold '" . $self->{option_results}->{$label} . "'.");
$self->{output}->option_exit();
}
}
}
sub run {
my ($self, %options) = @_;
$self->{connector} = $options{custom};
my %prct;
my $exit;
my @exits;
$self->{request} = [
{ mbean => "java.lang:type=MemoryPool,name=*", attributes => [ { name => 'Usage' } ] }
];
my $result = $self->{connector}->get_attributes(request => $self->{request}, nothing_quit => 1);
$self->{output}->output_add(severity => 'OK',
short_msg => 'All memories within bounds');
foreach my $key (keys %$result) {
$key =~ /name=(.*?),type/;
my $memtype = $1;
$prct{$memtype} = $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used} / $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{max} * 100;
$self->{output}->perfdata_add(label => $mapping_memory{$memtype},
value => $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used},
warning => $self->{option_results}->{'warning_'.$mapping_memory{$memtype}} / 100 * $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used},
critical => $self->{option_results}->{'critical_'.$mapping_memory{$memtype}} / 100 * $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used},
min => 0, max => $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{max});
$exit = $self->{perfdata}->threshold_check(value => $prct{$memtype},
threshold => [ { label => 'critical_'.$mapping_memory{$memtype}, exit_litteral => 'critical' },
{ label => 'warning_'.$mapping_memory{$memtype}, 'exit_litteral' => 'warning'} ]);
$self->{output}->output_add(long_msg => sprintf("%s usage is %.2f%%", $memtype, $prct{$memtype}));
push @exits, $exit;
if ($exit ne 'ok') {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("%s usage:%.2f%% ", $memtype, $prct{$memtype}));
}
}
$exit = $self->{output}->get_most_critical(status => [ @exits ]);
$self->{output}->output_add(severity => $exit);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check JVM Memory Pools :
Eden Space (heap) (-eden) : The pool from which memory is initially allocated for most objects.
Survivor Space (heap) (-survivor) : The pool containing objects that have survived the garbage collection of the Eden space.
Tenured Generation (heap) (-tenured) : The pool containing objects that have existed for some time in the survivor space.
Permanent Generation (non-heap) (-permanent) : The pool containing all the reflective data of the virtual machine itself, such as class and method objects.
Code Cache (non-heap) (-code) : The HotSpot Java VM also includes a code cache, containing memory that is used for compilation and storage of native code.
Example:
perl centreon_plugins.pl --plugin=apps::tomcat::jmx::plugin --custommode=jolokia --url=http://10.30.2.22:00/jolokia-war --mode=memory-detailed --warning-eden 60 --critical-eden 75 --warning-survivor 65 --critical-survivor 75
=over 8
=item B<--warning-eden>
Threshold warning of Heap 'Eden Space' memory usage
=item B<--critical-eden>
Threshold critical of Heap 'Survivor Space' memory usage
=item B<--warning-tenured>
Threshold warning of Heap 'Tenured Generation' memory usage
=item B<--critical-tenured>
Threshold critical of Heap 'Tenured Generation' memory usage
=item B<--warning-survivor>
Threshold warning of Heap 'Survivor Space' memory usage
=item B<--critical-survivor>
Threshold critical of Heap 'Survivor Space' memory usage
=item B<--warning-permanent>
Threshold warning of NonHeap 'Permanent Generation' memory usage
=item B<--critical-permanent>
Threshold critical of NonHeap 'Permanent Generation' memory usage
=item B<--warning-code>
Threshold warning of NonHeap 'Code Cache' memory usage
=item B<--critical-code>
Threshold critical of NonHeap 'Code Cache' memory usage
=back
=cut