244 lines
9.1 KiB
Perl
244 lines
9.1 KiB
Perl
#
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# Copyright 2019 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package apps::tomcat::web::mode::memory;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use centreon::plugins::http;
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use XML::XPath;
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"hostname:s" => { name => 'hostname' },
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"port:s" => { name => 'port', default => '8080' },
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"proto:s" => { name => 'proto' },
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"credentials" => { name => 'credentials' },
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"basic" => { name => 'basic' },
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"username:s" => { name => 'username' },
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"password:s" => { name => 'password' },
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"proxyurl:s" => { name => 'proxyurl' },
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"timeout:s" => { name => 'timeout' },
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"ssl-opt:s@" => { name => 'ssl_opt' },
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"urlpath:s" => { name => 'url_path', default => '/manager/status?XML=true' },
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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});
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$self->{result} = {};
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$self->{http} = centreon::plugins::http->new(output => $self->{output});
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
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$self->{output}->option_exit();
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}
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$self->{http}->set_options(%{$self->{option_results}});
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}
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my %xpath_to_check = (
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memMax => '/status/jvm/memory/@max',
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memFree => '/status/jvm/memory/@free',
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memTotal => '/status/jvm/memory/@total',
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);
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sub run {
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my ($self, %options) = @_;
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my $webcontent = $self->{http}->request();
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my $port = $self->{option_results}->{port};
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#EXAMPLE 1:
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#<status>
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# <connector name="http-0">
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# <threadInfo currentThreadCount="0" currentThreadsBusy="0" maxThreads="200"/>
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# <requestInfo bytesReceived="0" bytesSent="0" errorCount="0" maxTime="0" processingTime="0" requestCount="0"/>
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# <workers></workers>
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# </connector>
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# <connector name="http-8080">
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# <threadInfo currentThreadCount="158" currentThreadsBusy="10" maxThreads="200"/>
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# <requestInfo bytesReceived="297" bytesSent="19350704517" errorCount="192504" maxTime="249349" processingTime="2242513592" requestCount="983650"/>
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# <workers>
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# </workers>
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# </connector>
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#</status>
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#EXAMPLE 2:
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#<status>
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#<jvm>
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# <memory free='409303928' total='518979584' max='518979584'/>
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# <memorypool name='Eden Space' type='Heap memory' usageInit='143130624' usageCommitted='143130624' usageMax='143130624' usageUsed='56881560'/>
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# <memorypool name='Survivor Space' type='Heap memory' usageInit='17891328' usageCommitted='17891328' usageMax='17891328' usageUsed='17891328'/>
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# <memorypool name='Tenured Gen' type='Heap memory' usageInit='357957632' usageCommitted='357957632' usageMax='357957632' usageUsed='34902768'/>
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# <memorypool name='Code Cache' type='Non-heap memory' usageInit='2555904' usageCommitted='2555904' usageMax='50331648' usageUsed='1899840'/>
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# <memorypool name='Perm Gen' type='Non-heap memory' usageInit='21757952' usageCommitted='21757952' usageMax='85983232' usageUsed='21372688'/>
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#</jvm>
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#<connector name='"http-bio-10.1.80.149-22002"'><threadInfo maxThreads="5" currentThreadCount="2" currentThreadsBusy="1" />
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# <requestInfo maxTime="1216" processingTime="1216" requestCount="1" errorCount="1" bytesReceived="0" bytesSent="2474" />
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# <workers>
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# <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" />
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# </workers>
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#</connector>
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#<connector name='"ajp-bio-10.1.80.149-22001"'><threadInfo maxThreads="150" currentThreadCount="0" currentThreadsBusy="0" />
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# <requestInfo maxTime="0" processingTime="0" requestCount="0" errorCount="0" bytesReceived="0" bytesSent="0" />
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# <workers>
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# </workers>
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#</connector>
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#</status>
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#GET XML DATA
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my $xpath = XML::XPath->new( xml => $webcontent );
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my %xpath_check_results;
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foreach my $xpath_check ( keys %xpath_to_check ) {
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my $singlepath = $xpath_to_check{$xpath_check};
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$singlepath =~ s{\$port}{$port};
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my $nodeset = $xpath->find($singlepath);
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foreach my $node ($nodeset->get_nodelist) {
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my $value = $node->string_value();
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if ( $value =~ /^"?([0-9.]+)"?$/ ) {
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$self->{result}->{$xpath_check} = $1;
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} else {
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$self->{result}->{$xpath_check} = "not_numeric";
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};
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};
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};
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my $memTotal = $self->{result}->{memTotal};
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my $memFree = $self->{result}->{memFree};
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my $memMax = $self->{result}->{memMax};
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my $memUsed = $memTotal - $memFree;
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my $memUsed_prct = $memUsed * 100 / $memTotal;
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if (!defined($memTotal) || !defined($memFree) || !defined($memUsed) || !defined($memUsed_prct)) {
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$self->{output}->add_option_msg(short_msg => "Some informations missing.");
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$self->{output}->option_exit();
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}
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my $exit = $self->{perfdata}->threshold_check(value => $memUsed_prct, threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($memTotal_value, $memTotal_unit) = $self->{perfdata}->change_bytes(value => $memTotal);
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my ($memFree_value, $memFree_unit) = $self->{perfdata}->change_bytes(value => $memFree);
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my ($memMax_value, $memMax_unit) = $self->{perfdata}->change_bytes(value => $memMax);
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my ($memUsed_value, $memUsed_unit) = $self->{perfdata}->change_bytes(value => $memUsed);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Memory used %s (%.2f%%)",
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$memUsed_value . " " . $memUsed_unit, $memUsed_prct));
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$self->{output}->perfdata_add(label => "used", unit => 'B',
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value => $memUsed,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $memTotal),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $memTotal),
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min => 0, max => $memTotal);
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$self->{output}->display();
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$self->{output}->exit();
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};
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1;
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__END__
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=head1 MODE
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Check Tomcat Application Servers Memory Usage
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=over 8
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=item B<--hostname>
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IP Address or FQDN of the Tomcat Application Server
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=item B<--port>
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Port used by Tomcat
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=item B<--proxyurl>
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Proxy URL if any
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=item B<--proto>
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Protocol used http or https
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=item B<--credentials>
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Specify this option if you access server-status page with authentication
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=item B<--username>
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Specify username for authentication (Mandatory if --credentials is specified)
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=item B<--password>
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Specify password for authentication (Mandatory if --credentials is specified)
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=item B<--basic>
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Specify this option if you access server-status page over basic authentication and don't want a '401 UNAUTHORIZED' error to be logged on your webserver.
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Specify this option if you access server-status page over hidden basic authentication or you'll get a '404 NOT FOUND' error.
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(Use with --credentials)
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=item B<--timeout>
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Threshold for HTTP timeout
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=item B<--ssl-opt>
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Set SSL Options (--ssl-opt="SSL_version => TLSv1" --ssl-opt="SSL_verify_mode => SSL_VERIFY_NONE").
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=item B<--urlpath>
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Path to the Tomcat Manager XML (Default: '/manager/status?XML=true')
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=item B<--warning>
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Threshold warning in percent.
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=item B<--critical>
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Threshold critical in percent.
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=back
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=cut
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