centreon-plugins/apps/elasticsearch/mode/indices.pm

227 lines
7.5 KiB
Perl

###############################################################################
# Copyright 2005-2015 CENTREON
# 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 CENTREON
# 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 CENTREON choice, provided that
# CENTREON 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 : Mathieu Cinquin <mcinquin@centreon.com>
#
####################################################################################
package apps::elasticsearch::mode::indices;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::httplib;
use JSON;
use Data::Dumper;
my $thresholds = {
indices => [
['green', 'OK'],
['yellow', 'WARNING'],
['red', 'CRITICAL'],
],
};
my %map_states_indices = (
OK => 'green',
WARNING => 'yellow',
CRITICAL => 'red',
);
sub new {
my ($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', default => '9200'},
"proto:s" => { name => 'proto', default => 'http' },
"urlpath:s" => { name => 'url_path', default => '/' },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"timeout:s" => { name => 'timeout', default => '3' },
"threshold-overload:s@" => { name => 'threshold_overload' },
});
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();
}
$self->{overload_th} = {};
foreach my $val (@{$self->{option_results}->{threshold_overload}}) {
if ($val !~ /^(.*?),(.*?),(.*)$/) {
$self->{output}->add_option_msg(short_msg => "Wrong treshold-overload option '" . $val . "'.");
$self->{output}->option_exit();
}
my ($section, $status, $filter) = ($1, $2, $3);
if ($self->{output}->is_litteral_status(status => $status) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong treshold-overload status '" . $val . "'.");
$self->{output}->option_exit();
}
$self->{overload_th}->{$section} = [] if (!defined($self->{overload_th}->{$section}));
push @{$self->{overload_th}->{$section}}, {filter => $filter, status => $status};
}
}
sub get_severity {
my ($self, %options) = @_;
my $status = 'UNKNOWN'; # default
if (defined($self->{overload_th}->{$options{section}})) {
foreach (@{$self->{overload_th}->{$options{section}}}) {
if ($options{value} =~ /$_->{filter}/i) {
$status = $_->{status};
return $status;
}
}
}
foreach (@{$thresholds->{$options{section}}}) {
if ($options{value} =~ /$$_[0]/i) {
$status = $$_[1];
return $status;
}
}
return $status;
}
sub run {
my ($self, %options) = @_;
$self->{option_results}->{url_path} = $self->{option_results}->{url_path}."_cluster/health";
my $query_form_get = { level => 'indices' };
my $jsoncontent = centreon::plugins::httplib::connect($self, query_form_get => $query_form_get, connection_exit => 'critical');
my $json = JSON->new;
my $webcontent;
eval {
$webcontent = $json->decode($jsoncontent);
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
$self->{output}->output_add(severity => 'OK',
short_msg => sprintf("All indices are in green state."));
my $exit = 'OK';
foreach my $indicename (sort (keys %{$webcontent->{indices}})) {
my $tmp_exit = $self->get_severity(section => 'indices', value => $webcontent->{indices}->{$indicename}->{status});
$exit = $self->{output}->get_most_critical(status => [ $tmp_exit, $exit ]);
if (!$self->{output}->is_status(value => $tmp_exit, compare => 'OK', litteral => 1)) {
$self->{output}->output_add(long_msg => sprintf("Indice %s status is in %s state",
$indicename, $webcontent->{indices}->{$indicename}->{status}));
}
}
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("One or some indices are in %s state", $map_states_indices{$exit}));
$self->{output}->display(force_long_output => 1);
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Elasticsearch indices health
=over 8
=item B<--hostname>
IP Addr/FQDN of the Elasticsearch host
=item B<--port>
Port used by Elasticsearch API (Default: '9200')
=item B<--proto>
Specify https if needed (Default: 'http')
=item B<--urlpath>
Set path to get Elasticsearch information (Default: '/')
=item B<--credentials>
Specify this option if you access webpage over basic authentification
=item B<--username>
Specify username for API authentification
=item B<--password>
Specify password for API authentification
=item B<--threshold-overload>
Set to overload default threshold values (syntax: section,status,regexp)
It used before default thresholds (order stays).
Example: --threshold-overload='indices,CRITICAL,^(?!(on)$)'
=item B<--timeout>
Threshold for HTTP timeout (Default: 3)
=back
=cut