217 lines
7.8 KiB
Perl
217 lines
7.8 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::nginx::serverstatus::mode::requests;
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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 centreon::plugins::statefile;
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my $maps = [
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{ counter => 'accepts', output => 'Connections accepted per seconds %.2f', match => 'server accepts handled requests.*?(\d+)' },
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{ counter => 'handled', output => 'Connections handled per serconds %.2f', match => 'server accepts handled requests.*?\d+\s+(\d+)' },
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{ counter => 'requests', output => 'Requests per seconds %.2f', match => 'server accepts handled requests.*?\d+\s+\d+\s+(\d+)' },
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];
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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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', },
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"proto:s" => { name => 'proto' },
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"urlpath:s" => { name => 'url_path', default => "/nginx_status" },
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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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});
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foreach (@{$maps}) {
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$options{options}->add_options(arguments => {
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'warning-' . $_->{counter} . ':s' => { name => 'warning_' . $_->{counter} },
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'critical-' . $_->{counter} . ':s' => { name => 'critical_' . $_->{counter} },
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});
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}
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$self->{statefile_value} = centreon::plugins::statefile->new(%options);
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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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$self->SUPER::init(%options);
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foreach (@{$maps}) {
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if (($self->{perfdata}->threshold_validate(label => 'warning-' . $_->{counter}, value => $self->{option_results}->{'warning_' . $_->{counter}})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-" . $_->{counter} . " threshold '" . $self->{option_results}->{'warning_' . $_->{counter}} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-' . $_->{counter}, value => $self->{option_results}->{'critical_' . $_->{counter}})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-" . $_->{counter} . " threshold '" . $self->{option_results}->{'critical_' . $_->{counter}} . "'.");
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$self->{output}->option_exit();
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}
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}
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$self->{statefile_value}->check_options(%options);
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$self->{http}->set_options(%{$self->{option_results}});
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}
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sub run {
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my ($self, %options) = @_;
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my $webcontent = $self->{http}->request();
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my ($buffer_creation, $exit) = (0, 0);
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my $new_datas = {};
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my $old_datas = {};
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$self->{statefile_value}->read(statefile => 'nginx_' . $self->{option_results}->{hostname} . '_' . $self->{http}->get_port() . '_' . $self->{mode});
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$old_datas->{timestamp} = $self->{statefile_value}->get(name => 'timestamp');
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$new_datas->{timestamp} = time();
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foreach (@{$maps}) {
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if ($webcontent !~ /$_->{match}/msi) {
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$self->{output}->output_add(severity => 'UNKNOWN',
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short_msg => "Cannot find " . $_->{counter} . " information.");
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next;
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}
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$new_datas->{$_->{counter}} = $1;
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my $tmp_value = $self->{statefile_value}->get(name => $_->{counter});
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if (!defined($tmp_value)) {
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$buffer_creation = 1;
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next;
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}
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if ($new_datas->{$_->{counter}} < $tmp_value) {
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$buffer_creation = 1;
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next;
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}
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$exit = 1;
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$old_datas->{$_->{counter}} = $tmp_value;
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}
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$self->{statefile_value}->write(data => $new_datas);
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if ($buffer_creation == 1) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Buffer creation...");
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if ($exit == 0) {
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$self->{output}->display();
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$self->{output}->exit();
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}
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}
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foreach (@{$maps}) {
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# In buffer creation.
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next if (!defined($old_datas->{$_->{counter}}));
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if ($new_datas->{$_->{counter}} - $old_datas->{$_->{counter}} == 0) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Counter '" . $_->{counter} . "' not moved. Have to wait.");
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next;
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}
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my $delta_time = $new_datas->{timestamp} - $old_datas->{timestamp};
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$delta_time = 1 if ($delta_time <= 0);
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my $value = ($new_datas->{$_->{counter}} - $old_datas->{$_->{counter}}) / $delta_time;
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my $exit = $self->{perfdata}->threshold_check(value => $value, threshold => [ { label => 'critical-' . $_->{counter}, 'exit_litteral' => 'critical' }, { label => 'warning-' . $_->{counter}, 'exit_litteral' => 'warning' }]);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf($_->{output}, $value));
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$self->{output}->perfdata_add(label => $_->{counter},
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value => sprintf('%.2f', $value),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $_->{counter}),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $_->{counter}),
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min => 0);
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}
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$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 Nginx Request statistics: number of accepted connections per seconds, number of handled connections per seconds, number of requests per seconds.
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=over 8
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=item B<--hostname>
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IP Addr/FQDN of the webserver host
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=item B<--port>
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Port used by Apache
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=item B<--proto>
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Specify https if needed
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=item B<--urlpath>
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Set path to get server-status page in auto mode (Default: '/nginx_status')
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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<--warning-*>
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Warning Threshold. Can be: 'accepts', 'handled', 'requests'.
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=item B<--critical-*>
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Critical Threshold. Can be: 'accepts', 'handled', 'requests'.
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=back
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=cut
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