centreon-plugins/apps/apc/web/mode/filecache.pm

409 lines
16 KiB
Perl

################################################################################
# Copyright 2005-2014 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::apc::web::mode::filecache;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::httplib;
use centreon::plugins::statefile;
use Digest::MD5 qw(md5_hex);
use centreon::plugins::values;
my $maps_counters = {
'request-rate' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'rr' },
],
output_template => 'Request Rate (global): %.2f',
perfdatas => [
{ value => 'rr_absolute', label => 'request_rate',template => '%.2f',
unit => 'r/s', min => 0 },
],
}
},
'request-rate-now' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'hits', diff => 1 }, { name => 'misses', diff => 1 },
],
closure_custom_calc => \&custom_rr_calc, per_second => 1,
output_template => 'Request Rate : %.2f', output_error_template => 'Request Rate : %s',
output_use => 'rr_now', threshold_use => 'rr_now',
perfdatas => [
{ value => 'rr_now', label => 'request_rate_now', template => '%.2f',
unit => 'r/s', min => 0 },
],
}
},
'hit-rate' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'hr' },
],
output_template => 'Hit Rate (global): %.2f',
perfdatas => [
{ value => 'hr_absolute', label => 'hit_rate',template => '%.2f',
unit => 'r/s', min => 0 },
],
}
},
'hit-rate-now' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'hits', diff => 1 },
],
closure_custom_calc => \&custom_hr_calc, per_second => 1,
output_template => 'Hit Rate : %.2f', output_error_template => 'Hit Rate : %s',
output_use => 'hr_now', threshold_use => 'hr_now',
perfdatas => [
{ value => 'hr_now', label => 'hit_rate_now', template => '%.2f',
unit => 'r/s', min => 0 },
],
}
},
'miss-rate' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'mr' },
],
output_template => 'Miss Rate (global): %.2f',
perfdatas => [
{ value => 'mr_absolute', label => 'miss_rate',template => '%.2f',
unit => 'r/s', min => 0 },
],
}
},
'miss-rate-now' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'misses', diff => 1 },
],
closure_custom_calc => \&custom_mr_calc, per_second => 1,
output_template => 'Miss Rate : %.2f', output_error_template => 'Miss Rate : %s',
output_use => 'mr_now', threshold_use => 'mr_now',
perfdatas => [
{ value => 'mr_now', label => 'miss_rate_now', template => '%.2f',
unit => 'r/s', min => 0 },
],
}
},
'hit-percent' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'hits' }, { name => 'misses' },
],
closure_custom_calc => \&custom_hit_percent_calc,
output_template => 'Hit Ratio (global) : %.2f %%', output_error_template => 'Hit Ratio (global): %s',
output_use => 'hit_ratio', threshold_use => 'hit_ratio',
perfdatas => [
{ value => 'hit_ratio', label => 'hit_ratio', template => '%.2f',
unit => '%', min => 0, max => 100 },
],
}
},
'hit-percent-now' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'hits', diff => 1 }, { name => 'misses', diff => 1 },
],
closure_custom_calc => \&custom_hit_percent_now_calc,
output_template => 'Hit Ratio : %.2f %%', output_error_template => 'Hit Ratio : %s',
output_use => 'hit_ratio_now', threshold_use => 'hit_ratio_now',
perfdatas => [
{ value => 'hit_ratio_now', label => 'hit_ratio_now', template => '%.2f',
unit => '%', min => 0, max => 100 },
],
}
},
};
sub custom_rr_calc {
my ($self, %options) = @_;
my $total = ($options{new_datas}->{$self->{instance} . '_hits'} - $options{old_datas}->{$self->{instance} . '_hits'})
+ ($options{new_datas}->{$self->{instance} . '_misses'} - $options{old_datas}->{$self->{instance} . '_misses'});
if ($total == 0) {
$self->{error_msg} = "skipped";
return -2;
}
$self->{result_values}->{rr_now} = $total / $options{delta_time};
return 0;
}
sub custom_hr_calc {
my ($self, %options) = @_;
my $total = ($options{new_datas}->{$self->{instance} . '_hits'} - $options{old_datas}->{$self->{instance} . '_hits'});
if ($total == 0) {
$self->{error_msg} = "skipped";
return -2;
}
$self->{result_values}->{hr_now} = $total / $options{delta_time};
return 0;
}
sub custom_mr_calc {
my ($self, %options) = @_;
my $total = ($options{new_datas}->{$self->{instance} . '_misses'} - $options{old_datas}->{$self->{instance} . '_misses'});
if ($total == 0) {
$self->{error_msg} = "skipped";
return -2;
}
$self->{result_values}->{mr_now} = $total / $options{delta_time};
return 0;
}
sub custom_hit_percent_now_calc {
my ($self, %options) = @_;
my $hits = ($options{new_datas}->{$self->{instance} . '_hits'} - $options{old_datas}->{$self->{instance} . '_hits'});
my $total = $hits + ($options{new_datas}->{$self->{instance} . '_misses'} - $options{old_datas}->{$self->{instance} . '_misses'});
if ($total == 0) {
$self->{error_msg} = "skipped";
return -2;
}
$self->{result_values}->{hit_ratio_now} = $hits * 100 / $total;
return 0;
}
sub custom_hit_percent_calc {
my ($self, %options) = @_;
my $hits = ($options{new_datas}->{$self->{instance} . '_hits'});
my $total = $hits + ($options{new_datas}->{$self->{instance} . '_misses'});
if ($total == 0) {
$self->{error_msg} = "skipped";
return -2;
}
$self->{result_values}->{hit_ratio} = $hits * 100 / $total;
return 0;
}
sub new {
my ($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 => "/apc.php" },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"timeout:s" => { name => 'timeout', default => 30 },
});
$self->{statefile_value} = centreon::plugins::statefile->new(%options);
foreach (keys %{$maps_counters}) {
$options{options}->add_options(arguments => {
'warning-' . $_ . ':s' => { name => 'warning-' . $_ },
'critical-' . $_ . ':s' => { name => 'critical-' . $_ },
});
my $class = $maps_counters->{$_}->{class};
$maps_counters->{$_}->{obj} = $class->new(statefile => $self->{statefile_value},
output => $self->{output}, perfdata => $self->{perfdata},
label => $_);
$maps_counters->{$_}->{obj}->set(%{$maps_counters->{$_}->{set}});
}
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (!defined($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");
$self->{output}->option_exit();
}
foreach (keys %{$maps_counters}) {
$maps_counters->{$_}->{obj}->init(option_results => $self->{option_results});
}
$self->{statefile_value}->check_options(%options);
}
sub run {
my ($self, %options) = @_;
$self->{webcontent} = centreon::plugins::httplib::connect($self);
$self->manage_selection();
$self->{new_datas} = {};
$self->{statefile_value}->read(statefile => "apc_" . $self->{option_results}->{hostname} . '_' . centreon::plugins::httplib::get_port($self) . '_' . $self->{mode});
$self->{new_datas}->{last_timestamp} = time();
my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
my @exits;
foreach (sort keys %{$maps_counters}) {
$maps_counters->{$_}->{obj}->set(instance => 'fcache');
my ($value_check) = $maps_counters->{$_}->{obj}->execute(values => $self->{fcache},
new_datas => $self->{new_datas});
if ($value_check != 0) {
$long_msg .= $long_msg_append . $maps_counters->{$_}->{obj}->output_error();
$long_msg_append = ', ';
next;
}
my $exit2 = $maps_counters->{$_}->{obj}->threshold_check();
push @exits, $exit2;
my $output = $maps_counters->{$_}->{obj}->output();
$long_msg .= $long_msg_append . $output;
$long_msg_append = ', ';
if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) {
$short_msg .= $short_msg_append . $output;
$short_msg_append = ', ';
}
$maps_counters->{$_}->{obj}->perfdata();
}
my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) {
$self->{output}->output_add(severity => $exit,
short_msg => "Apc File Cache Information $short_msg"
);
} else {
$self->{output}->output_add(short_msg => "Apc File Cache Information $long_msg");
}
$self->{statefile_value}->write(data => $self->{new_datas});
$self->{output}->display();
$self->{output}->exit();
}
sub manage_selection {
my ($self, %options) = @_;
$self->{fcache} = {};
$self->{fcache}->{hits} = $self->{webcontent} =~ /File Cache Information.*?Hits.*?(\d+)/msi ? $1 : undef;
$self->{fcache}->{misses} = $self->{webcontent} =~ /File Cache Information.*?Misses.*?(\d+)/msi ? $1 : undef;
$self->{fcache}->{rr} = $self->{webcontent} =~ /File Cache Information.*?Request Rate.*?([0-9\.]+)/msi ? $1 : undef;
$self->{fcache}->{hr} = $self->{webcontent} =~ /File Cache Information.*?Hit Rate.*?([0-9\.]+)/msi ? $1 : undef;
$self->{fcache}->{mr} = $self->{webcontent} =~ /File Cache Information.*?Miss Rate.*?([0-9\.]+)/msi ? $1 : undef;
$self->{fcache}->{ir} = $self->{webcontent} =~ /File Cache Information.*?Insert Rate.*?([0-9\.]+)/msi ? $1 : undef;
}
1;
__END__
=head1 MODE
Check file cache informations.
=over 8
=item B<--hostname>
IP Addr/FQDN of the webserver host
=item B<--port>
Port used by web server
=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: '/apc.php')
=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 (Default: 30)
=item B<--warning-*>
Threshold warning.
Can be: 'request-rate', 'request-rate-now',
'hit-rate', 'hit-rate-now', 'miss-rate', 'miss-rate-now', 'insert-rate',
'hit-percent', 'hit-percent-now'.
'*-now' are rate between two calls.
=item B<--critical-*>
Threshold critical.
Can be: 'request-rate', 'request-rate-now',
'hit-rate', 'hit-rate-now', 'miss-rate', 'miss-rate-now', 'insert-rate',
'hit-percent', 'hit-percent-now'.
'*-now' are rate between two calls.
=back
=cut