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Fix #5386 

New nginx plugin
This commit is contained in:
Quentin Garnier 2014-05-12 17:25:30 +02:00
parent f6f823330e
commit d611c62640
4 changed files with 668 additions and 0 deletions
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191
apps/nginx/serverstatus/mode/connections.pm Normal file
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###############################################################################
# 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 : Simon BOMM <sbomm@merethis.com>
#
# Based on De Bodt Lieven plugin
####################################################################################
package apps::nginx::serverstatus::mode::connections;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::httplib;
my $maps = [
{ counter => 'active', output => 'Active connections %d', match => 'Active connections:\s*(\d+)' },
{ counter => 'reading', output => 'Reading connections %d', match => 'Reading:\s*(\d+)' },
{ counter => 'writing', output => 'Writing connections %d', match => 'Writing:\s*(\d+)' },
{ counter => 'waiting', output => 'Waiting connections %d', match => 'Waiting:\s*(\d+)' },
];
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port', },
"proto:s" => { name => 'proto', default => "http" },
"urlpath:s" => { name => 'url_path', default => "/nginx_status" },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"timeout:s" => { name => 'timeout', default => '3' },
});
foreach (@{$maps}) {
$options{options}->add_options(arguments => {
'warning-' . $_->{counter} . ':s' => { name => 'warning_' . $_->{counter} },
'critical-' . $_->{counter} . ':s' => { name => 'critical_' . $_->{counter} },
});
}
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
foreach (@{$maps}) {
if (($self->{perfdata}->threshold_validate(label => 'warning-' . $_->{counter}, value => $self->{option_results}->{'warning_' . $_->{counter}})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-" . $_->{counter} . " threshold '" . $self->{option_results}->{'warning_' . $_->{counter}} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-' . $_->{counter}, value => $self->{option_results}->{'critical_' . $_->{counter}})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-" . $_->{counter} . " threshold '" . $self->{option_results}->{'critical_' . $_->{counter}} . "'.");
$self->{output}->option_exit();
}
}
if (($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");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
my $webcontent = centreon::plugins::httplib::connect($self);
foreach (@{$maps}) {
if ($webcontent !~ /$_->{match}/msi) {
$self->{output}->output_add(severity => 'UNKNOWN',
short_msg => "Cannot find " . $_->{counter} . " connections.");
next;
}
my $value = $1;
my $exit = $self->{perfdata}->threshold_check(value => $value, threshold => [ { label => 'critical-' . $_->{counter}, 'exit_litteral' => 'critical' }, { label => 'warning-' . $_->{counter}, 'exit_litteral' => 'warning' }]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf($_->{output}, $value));
$self->{output}->perfdata_add(label => $_->{counter},
value => $value,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $_->{counter}),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $_->{counter}),
min => 0);
}
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check current connections: active, reading, writing, waiting.
=over 8
=item B<--hostname>
IP Addr/FQDN of the webserver host
=item B<--port>
Port used by Apache
=item B<--proxyurl>
Proxy URL if any
=item B<--proto>
Protocol to use http or https, http is default
=item B<--urlpath>
Set path to get server-status page in auto mode (Default: '/nginx_status')
=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<--warning-*>
Warning Threshold. Can be: 'active', 'waiting', 'writing', 'reading'.
=item B<--critical-*>
Critical Threshold. Can be: 'active', 'waiting', 'writing', 'reading'.
=back
=cut

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###############################################################################
# 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 : Simon BOMM <sbomm@merethis.com>
#
# Based on De Bodt Lieven plugin
####################################################################################
package apps::nginx::serverstatus::mode::requests;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::httplib;
use centreon::plugins::statefile;
my $maps = [
{ counter => 'accepts', output => 'Connections accepted per seconds %.2f', match => 'server accepts handled requests.*?(\d+)' },
{ counter => 'handled', output => 'Connections handled per serconds %.2f', match => 'server accepts handled requests.*?\d+\s+(\d+)' },
{ counter => 'requests', output => 'Requests per seconds %.2f', match => 'server accepts handled requests.*?\d+\s+\d+\s+(\d+)' },
];
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port', },
"proto:s" => { name => 'proto', default => "http" },
"urlpath:s" => { name => 'url_path', default => "/nginx_status" },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"timeout:s" => { name => 'timeout', default => '3' },
});
foreach (@{$maps}) {
$options{options}->add_options(arguments => {
'warning-' . $_->{counter} . ':s' => { name => 'warning_' . $_->{counter} },
'critical-' . $_->{counter} . ':s' => { name => 'critical_' . $_->{counter} },
});
}
$self->{statefile_value} = centreon::plugins::statefile->new(%options);
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
foreach (@{$maps}) {
if (($self->{perfdata}->threshold_validate(label => 'warning-' . $_->{counter}, value => $self->{option_results}->{'warning_' . $_->{counter}})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-" . $_->{counter} . " threshold '" . $self->{option_results}->{'warning_' . $_->{counter}} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-' . $_->{counter}, value => $self->{option_results}->{'critical_' . $_->{counter}})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-" . $_->{counter} . " threshold '" . $self->{option_results}->{'critical_' . $_->{counter}} . "'.");
$self->{output}->option_exit();
}
}
if (!defined($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();
}
$self->{statefile_value}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
my $webcontent = centreon::plugins::httplib::connect($self);
my ($buffer_creation, $exit) = (0, 0);
my $new_datas = {};
my $old_datas = {};
$self->{statefile_value}->read(statefile => 'nginx_' . $self->{option_results}->{hostname} . '_' . centreon::plugins::httplib::get_port($self) . '_' . $self->{mode});
$old_datas->{timestamp} = $self->{statefile_value}->get(name => 'timestamp');
$new_datas->{timestamp} = time();
foreach (@{$maps}) {
if ($webcontent !~ /$_->{match}/msi) {
$self->{output}->output_add(severity => 'UNKNOWN',
short_msg => "Cannot find " . $_->{counter} . " information.");
next;
}
$new_datas->{$_->{counter}} = $1;
my $tmp_value = $self->{statefile_value}->get(name => $_->{counter});
if (!defined($tmp_value)) {
$buffer_creation = 1;
next;
}
if ($new_datas->{$_->{counter}} < $tmp_value) {
$buffer_creation = 1;
next;
}
$exit = 1;
$old_datas->{$_->{counter}} = $tmp_value;
}
$self->{statefile_value}->write(data => $new_datas);
if ($buffer_creation == 1) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
if ($exit == 0) {
$self->{output}->display();
$self->{output}->exit();
}
}
foreach (@{$maps}) {
# In buffer creation.
next if (!defined($old_datas->{$_->{counter}}));
if ($new_datas->{$_->{counter}} - $old_datas->{$_->{counter}} == 0) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Counter '" . $_->{counter} . "' not moved. Have to wait.");
next;
}
my $delta_time = $new_datas->{timestamp} - $old_datas->{timestamp};
$delta_time = 1 if ($delta_time <= 0);
my $value = ($new_datas->{$_->{counter}} - $old_datas->{$_->{counter}}) / $delta_time;
my $exit = $self->{perfdata}->threshold_check(value => $value, threshold => [ { label => 'critical-' . $_->{counter}, 'exit_litteral' => 'critical' }, { label => 'warning-' . $_->{counter}, 'exit_litteral' => 'warning' }]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf($_->{output}, $value));
$self->{output}->perfdata_add(label => $_->{counter},
value => sprintf('%.2f', $value),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $_->{counter}),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $_->{counter}),
min => 0);
}
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Nginx Request statistics: number of accepted connections per seconds, number of handled connections per seconds, number of requests per seconds.
=over 8
=item B<--hostname>
IP Addr/FQDN of the webserver host
=item B<--port>
Port used by Apache
=item B<--proxyurl>
Proxy URL if any
=item B<--proto>
Specify https if needed
=item B<--urlpath>
Set path to get server-status page in auto mode (Default: '/nginx_status')
=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<--warning-*>
Warning Threshold. Can be: 'accepts', 'handled', 'requests'.
=item B<--critical-*>
Critical Threshold. Can be: 'accepts', 'handled', 'requests'.
=back
=cut

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apps/nginx/serverstatus/mode/responsetime.pm Normal file
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###############################################################################
# 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 : Simon BOMM <sbomm@merethis.com>
#
# Based on De Bodt Lieven plugin
####################################################################################
package apps::nginx::serverstatus::mode::responsetime;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use Time::HiRes qw(gettimeofday tv_interval);
use centreon::plugins::httplib;
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', },
"proto:s" => { name => 'proto', default => "http" },
"urlpath:s" => { name => 'url_path', default => "/nginx_status" },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"timeout:s" => { name => 'timeout', default => '3' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($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} . "'.");
$self->{output}->option_exit();
}
if (($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");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
my $timing0 = [gettimeofday];
my $webcontent = centreon::plugins::httplib::connect($self, connection_exit => 'critical');
my $timeelapsed = tv_interval ($timing0, [gettimeofday]);
my $exit = $self->{perfdata}->threshold_check(value => $timeelapsed,
threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Response time %fs ", $timeelapsed));
$self->{output}->perfdata_add(label => "time",
value => $timeelapsed,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'));
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Nginx WebServer statistics informations
=over 8
=item B<--hostname>
IP Addr/FQDN of the webserver host
=item B<--port>
Port used by Apache
=item B<--proto>
Specify https if needed
=item B<--urlpath>
Set path to get server-status page in auto mode (Default: '/nginx_status')
=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<--proxyurl>
Proxy URL if any
=item B<--timeout>
Threshold for HTTP timeout
=item B<--warning>
Threshold warning in seconds (nginx_status page response time)
=item B<--critical>
Threshold critical in seconds (nginx_status page response time)
=back
=cut

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###############################################################################
# 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 executable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting executable 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
# Authors : Quentin Garnier <qgarnier@merethis.com>
#
####################################################################################
package apps::nginx::serverstatus::plugin;
use strict;
use warnings;
use base qw(centreon::plugins::script_simple);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
# $options->{options} = options object
$self->{version} = '0.1';
%{$self->{modes}} = (
'connections' => 'apps::nginx::serverstatus::mode::connections',
'responsetime' => 'apps::nginx::serverstatus::mode::responsetime',
'requests' => 'apps::nginx::serverstatus::mode::requests',
);
return $self;
}
1;
__END__
=head1 PLUGIN DESCRIPTION
Check Nginx Web Servers through HttpStubStatusModule Module
=cut