218 lines
7.9 KiB
Perl
218 lines
7.9 KiB
Perl
#
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# Copyright 2021 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::jmx::mode::webappssessions;
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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 Digest::MD5 qw(md5_hex);
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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 => 'webapps', type => 1, cb_prefix_output => 'prefix_webapps_output', message_multiple => 'All webapp sessions are ok' },
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];
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$self->{maps_counters}->{webapps} = [
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{ label => 'sessions-active', set => {
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key_values => [ { name => 'activeSessions' }, { name => 'maxActiveSessions' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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closure_custom_calc_extra_options => { label_ref => 'currentThreadCount', message => 'Current Threads' },
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closure_custom_output => $self->can('custom_usage_output'),
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closure_custom_threshold_check => $self->can('custom_usage_threshold'),
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closure_custom_perfdata => $self->can('custom_usage_perfdata'),
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}
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},
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{ label => 'sessions-count', set => {
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key_values => [ { name => 'sessionCounter', diff => 1 }, { name => 'display' } ],
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output_template => 'Sessions Count : %s',
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perfdatas => [
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{ label => 'sessions_count', value => 'sessionCounter', template => '%s',
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min => 0, label_extra_instance => 1, instance_use => 'display' },
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],
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}
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},
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];
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}
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sub custom_usage_perfdata {
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my ($self, %options) = @_;
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my $use_th = 1;
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$use_th = 0 if ($self->{instance_mode}->{option_results}->{units} eq '%' && $self->{result_values}->{max} <= 0);
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my $value_perf = $self->{result_values}->{used};
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my %total_options = ();
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if ($self->{instance_mode}->{option_results}->{units} eq '%' && $self->{result_values}->{max} > 0) {
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$total_options{total} = $self->{result_values}->{max};
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$total_options{cast_int} = 1;
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}
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my $label = $self->{label};
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$label =~ s/-/_/g;
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$self->{output}->perfdata_add(
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label => $label,
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
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value => $value_perf,
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warning => $use_th == 1 ? $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, %total_options) : undef,
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critical => $use_th == 1 ? $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, %total_options) : undef,
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min => 0, max => $self->{result_values}->{max} > 0 ? $self->{result_values}->{max} : undef
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);
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}
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sub custom_usage_threshold {
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my ($self, %options) = @_;
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# Cannot use percent without total
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return 'ok' if ($self->{result_values}->{max} <= 0 && $self->{instance_mode}->{option_results}->{units} eq '%');
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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{used};
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if ($self->{instance_mode}->{option_results}->{units} eq '%') {
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$threshold_value = $self->{result_values}->{prct_used};
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}
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$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{thlabel}, exit_litteral => 'warning' } ]);
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return $exit;
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}
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sub custom_usage_output {
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my ($self, %options) = @_;
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my $msg;
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if ($self->{result_values}->{max} > 0) {
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$msg = sprintf("Current Active Sessions Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$self->{result_values}->{max},
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$self->{result_values}->{used}, $self->{result_values}->{prct_used},
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$self->{result_values}->{max} - $self->{result_values}->{used}, 100 - $self->{result_values}->{prct_used});
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} else {
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$msg = sprintf("Current Active Sessions : %s", $self->{result_values}->{used});
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}
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return $msg;
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}
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sub custom_usage_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{max} = $options{new_datas}->{$self->{instance} . '_maxActiveSessions'};
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$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_activeSessions'};
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if ($self->{result_values}->{max} > 0) {
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{max};
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}
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return 0;
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}
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sub prefix_webapps_output {
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my ($self, %options) = @_;
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return "Webapp '" . $options{instance_value}->{display} . "' ";
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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"filter-name:s" => { name => 'filter_name' },
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"units:s" => { name => 'units', default => '%' },
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});
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return $self;
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}
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sub manage_selection {
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my ($self, %options) = @_;
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# can be path or context
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# Tomcat: Catalina:context=/xxxxx,host=localhost,type=Manager
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# Jboss: jboss.web:host=localhost,path=/invoker,type=Manager
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# maxActiveSessions = -1 (no limit)
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$self->{request} = [
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{ mbean => "*:context=*,host=*,type=Manager", attributes => [ { name => 'activeSessions' }, { name => 'sessionCounter' }, { name => 'maxActiveSessions' } ] },
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{ mbean => "*:path=*,host=*,type=Manager", attributes => [ { name => 'activeSessions' }, { name => 'sessionCounter' }, { name => 'maxActiveSessions' } ] },
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];
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my $result = $options{custom}->get_attributes(request => $self->{request}, nothing_quit => 1);
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$self->{webapps} = {};
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foreach my $key (keys %$result) {
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$key =~ /(?:[:,])host=(.*?)(?:,|$)/;
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my $webapps = $1;
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$key =~ /(?:[:,])(?:path|context)=(.*?)(?:,|$)/;
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$webapps .= '.' . $1;
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if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
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$webapps !~ /$self->{option_results}->{filter_name}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $webapps . "': no matching filter.", debug => 1);
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next;
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}
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$self->{webapps}->{$webapps} = {
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display => $webapps,
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%{$result->{$key}}
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};
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}
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$self->{cache_name} = "tomcat_" . $self->{mode} . '_' . md5_hex($options{custom}->get_connection_info()) . '_' .
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(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
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(defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
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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 webapps session usage.
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=over 8
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=item B<--filter-counters>
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Only display some counters (regexp can be used).
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Example: --filter-counters='sessions-active'
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=item B<--filter-name>
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Filter webapps name (can be a regexp).
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=item B<--warning-*>
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Threshold warning.
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Can be: 'sessions-count', 'sessions-active'.
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=item B<--critical-*>
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Threshold critical.
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Can be: 'sessions-count', 'sessions-active'.
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=item B<--units>
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Units of thresholds (Default: '%') ('%', 'absolute').
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=back
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=cut
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