centreon-plugins/apps/tomcat/web/mode/threads.pm

303 lines
13 KiB
Perl

###############################################################################
# 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 timeelapsedutable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting timeelapsedutable 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
# Author : Florian Asche <info@florian-asche.de>
#
####################################################################################
package apps::tomcat::web::mode::threads;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::httplib;
use XML::XPath;
use URI::Escape;
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 =>
{
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port', default => '8080' },
"proto:s" => { name => 'proto', default => "http" },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"timeout:s" => { name => 'timeout', default => '3' },
"urlpath:s" => { name => 'url_path', default => '/manager/status?XML=true' },
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"name:s" => { name => 'name' },
"regexp" => { name => 'use_regexp' },
"regexp-isensitive" => { name => 'use_regexpi' },
});
$self->{result} = {};
$self->{hostname} = undef;
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{option_results}->{proto} ne 'http') && ($self->{option_results}->{proto} ne 'https')) {
$self->{output}->add_option_msg(short_msg => "Unsupported protocol specified '" . $self->{option_results}->{proto} . "'.");
$self->{output}->option_exit();
}
if (!defined($self->{option_results}->{hostname})) {
$self->{output}->add_option_msg(short_msg => "Please set the hostname option");
$self->{output}->option_exit();
}
if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
$self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
$self->{output}->option_exit();
}
if (($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} . "'.");
$self->{output}->option_exit();
}
}
my %xpath_to_check = (
maxThreads => '/status/connector/threadInfo/@maxThreads',
currentThreadCount => '/status/connector/threadInfo/@currentThreadCount',
currentThreadsBusy => '/status/connector/threadInfo/@currentThreadsBusy',
);
sub manage_selection {
my ($self, %options) = @_;
my $webcontent = centreon::plugins::httplib::connect($self);
my $port = $self->{option_results}->{port};
#EXAMPLE 1:
#<status>
# <connector name="http-0">
# <threadInfo currentThreadCount="0" currentThreadsBusy="0" maxThreads="200"/>
# <requestInfo bytesReceived="0" bytesSent="0" errorCount="0" maxTime="0" processingTime="0" requestCount="0"/>
# <workers></workers>
# </connector>
# <connector name="http-8080">
# <threadInfo currentThreadCount="158" currentThreadsBusy="10" maxThreads="200"/>
# <requestInfo bytesReceived="297" bytesSent="19350704517" errorCount="192504" maxTime="249349" processingTime="2242513592" requestCount="983650"/>
# <workers>
# </workers>
# </connector>
#</status>
#EXAMPLE 2:
#<status>
#<jvm>
# <memory free='409303928' total='518979584' max='518979584'/>
# <memorypool name='Eden Space' type='Heap memory' usageInit='143130624' usageCommitted='143130624' usageMax='143130624' usageUsed='56881560'/>
# <memorypool name='Survivor Space' type='Heap memory' usageInit='17891328' usageCommitted='17891328' usageMax='17891328' usageUsed='17891328'/>
# <memorypool name='Tenured Gen' type='Heap memory' usageInit='357957632' usageCommitted='357957632' usageMax='357957632' usageUsed='34902768'/>
# <memorypool name='Code Cache' type='Non-heap memory' usageInit='2555904' usageCommitted='2555904' usageMax='50331648' usageUsed='1899840'/>
# <memorypool name='Perm Gen' type='Non-heap memory' usageInit='21757952' usageCommitted='21757952' usageMax='85983232' usageUsed='21372688'/>
#</jvm>
#<connector name='"http-bio-10.1.80.149-22002"'><threadInfo maxThreads="5" currentThreadCount="2" currentThreadsBusy="1" />
# <requestInfo maxTime="1216" processingTime="1216" requestCount="1" errorCount="1" bytesReceived="0" bytesSent="2474" />
# <workers>
# <worker stage="S" requestProcessingTime="23" requestBytesSent="0" requestBytesReceived="0" remoteAddr="10.1.80.149" virtualHost="examplehost" method="GET" currentUri="/manager/status" currentQueryString="XML=true" protocol="HTTP/1.1" />
# </workers>
#</connector>
#<connector name='"ajp-bio-10.1.80.149-22001"'><threadInfo maxThreads="150" currentThreadCount="0" currentThreadsBusy="0" />
# <requestInfo maxTime="0" processingTime="0" requestCount="0" errorCount="0" bytesReceived="0" bytesSent="0" />
# <workers>
# </workers>
#</connector>
#</status>
#GET XML DATA
my $xpath = XML::XPath->new( xml => $webcontent );
my %xpath_check_results;
foreach my $xpath_check ( keys %xpath_to_check ) {
my $singlepath = $xpath_to_check{$xpath_check};
$singlepath =~ s{\$port}{$port};
my $nodeset = $xpath->find($singlepath);
foreach my $node ($nodeset->get_nodelist) {
my $connector_name = $node->getParentNode()->getParentNode()->getAttribute("name");
$connector_name =~ s/^["'\s]+//;
$connector_name =~ s/["'\s]+$//;
$connector_name = uri_unescape($connector_name);
next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi})
&& $connector_name !~ /$self->{option_results}->{name}/i);
next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi})
&& $connector_name !~ /$self->{option_results}->{name}/);
next if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi})
&& $connector_name ne $self->{option_results}->{name});
my $value = $node->string_value();
if ( $value =~ /^"?([0-9.]+)"?$/ ) {
$self->{result}->{$connector_name}{$xpath_check} = $1;
} else {
$self->{result}->{$connector_name}{$xpath_check} = "not_numeric";
};
};
if (scalar(keys %{$self->{result}}) <= 0) {
if (defined($self->{option_results}->{name})) {
$self->{output}->add_option_msg(short_msg => "No information found for name '" . $self->{option_results}->{name} . "'.");
} else {
$self->{output}->add_option_msg(short_msg => "No information found.");
}
$self->{output}->option_exit();
};
};
};
sub run {
my ($self, %options) = @_;
$self->manage_selection();
if (!defined($self->{option_results}->{name}) || defined($self->{option_results}->{use_regexp})) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'All Threads are ok.');
};
foreach my $name (sort(keys %{$self->{result}})) {
my $exit = $self->{perfdata}->threshold_check(value => $self->{result}->{$name}->{currentThreadsBusy}, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(long_msg => sprintf("Thread '%s' currentThreadsBusy : %s", $name,
$self->{result}->{$name}->{currentThreadsBusy}));
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}))) {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Thread '%s' currentThreadsBusy : %s", $name,
$self->{result}->{$name}->{currentThreadsBusy}));
}
my $extra_label = '';
$extra_label = '_' . $name if (!defined($self->{option_results}->{name}) || defined($self->{option_results}->{use_regexp}));
$self->{output}->perfdata_add(label => 'currentThreadsBusy' . $extra_label,
value => $self->{result}->{$name}->{currentThreadsBusy},
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0,
max => $self->{result}->{$name}->{maxThreads});
$self->{output}->perfdata_add(label => 'currentThreadCount' . $extra_label,
value => $self->{result}->{$name}->{currentThreadCount},
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0,
max => $self->{result}->{$name}->{maxThreads});
};
$self->{output}->display();
$self->{output}->exit();
};
1;
__END__
=head1 MODE
Check Tomcat Application Servers Threads for each Connector
=over 8
=item B<--hostname>
IP Address or FQDN of the Tomcat Application Server
=item B<--port>
Port used by Tomcat
=item B<--proxyurl>
Proxy URL if any
=item B<--proto>
Protocol used http or https
=item B<--credentials>
Specify this option if you access server-status page over basic authentification
=item B<--username>
Specify username for basic authentification (Mandatory if --credentials is specidied)
=item B<--password>
Specify password for basic authentification (Mandatory if --credentials is specidied)
=item B<--timeout>
Threshold for HTTP timeout
=item B<--urlpath>
Path to the Tomcat Manager XML (Default: '/manager/status?XML=true')
=item B<--warning>
Warning Threshold for Number of Threads
=item B<--critical>
Critical Threshold for Number of Threads
=item B<--name>
Set the filter name (empty means 'check all contexts')
=item B<--regexp>
Allows to use regexp to filter (with option --name).
=item B<--regexp-isensitive>
Allows to use regexp non case-sensitive (with --regexp).
=back
=cut