242 lines
8.6 KiB
Perl
242 lines
8.6 KiB
Perl
#
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# Copyright 2020 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::templates::counter);
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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 custom_memory_output {
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my ($self, %options) = @_;
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my $msg = sprintf("Memory Total: %s %s Used: %s %s (%.2f%%) Free: %s %s (%.2f%%)",
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{total}),
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{used}),
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$self->{result_values}->{prct_used},
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{free}),
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$self->{result_values}->{prct_free});
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return $msg;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'global', type => 0, skipped_code => { -10 => 1 } },
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];
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$self->{maps_counters}->{global} = [
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{ label => 'usage', nlabel => 'memory.usage.bytes', set => {
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key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_memory_output'),
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perfdatas => [
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{ value => 'used', template => '%d', min => 0, max => 'total',
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unit => 'B', cast_int => 1 },
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],
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}
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},
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{ label => 'usage-free', display_ok => 0, nlabel => 'memory.free.bytes', set => {
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key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_memory_output'),
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perfdatas => [
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{ value => 'free', template => '%d', min => 0, max => 'total',
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unit => 'B', cast_int => 1 },
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],
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}
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},
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{ label => 'usage-prct', display_ok => 0, nlabel => 'memory.usage.percentage', set => {
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key_values => [ { name => 'prct_used' } ],
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output_template => 'Memory Used : %.2f %%',
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perfdatas => [
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{ value => 'prct_used', template => '%.2f', min => 0, max => 100, unit => '%' },
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],
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}
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},
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];
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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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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'timeout:s' => { name => 'timeout' },
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'urlpath:s' => { name => 'url_path', default => '/manager/status?XML=true' },
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});
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$self->{http} = centreon::plugins::http->new(%options);
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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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$self->SUPER::check_options(%options);
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$self->{http}->set_options(%{$self->{option_results}});
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}
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my %xpath_to_check = (
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memMax => '/status/jvm/memory/@max',
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memFree => '/status/jvm/memory/@free',
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memTotal => '/status/jvm/memory/@total',
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);
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sub manage_selection {
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my ($self, %options) = @_;
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my $webcontent = $self->{http}->request();
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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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my $result = {};
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my $xpath = XML::XPath->new(xml => $webcontent);
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foreach my $xpath_check (keys %xpath_to_check) {
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my $nodeset = $xpath->find($xpath_to_check{$xpath_check});
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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.]+)"?$/) {
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$result->{$xpath_check} = $1;
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}
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};
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};
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if (!defined($result->{memTotal}) || !defined($result->{memFree})) {
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$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 $total = $result->{memTotal};
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$self->{global} = {
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total => $total,
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free => $result->{memFree},
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used => $total - $result->{memFree},
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prct_free => $result->{memFree} * 100 / $total,
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prct_used => ($result->{memTotal} - $result->{memFree}) * 100 / $total,
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};
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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<--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<--urlpath>
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Path to the Tomcat Manager XML (Default: '/manager/status?XML=true')
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=item B<--warning-*> B<--critical-*>
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Thresholds.
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Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%).
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=back
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=cut
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