228 lines
7.8 KiB
Perl
228 lines
7.8 KiB
Perl
###############################################################################
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# Copyright 2005-2015 CENTREON
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# Centreon is developped by : Julien Mathis and Romain Le Merlus under
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# GPL Licence 2.0.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation ; either version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, see <http://www.gnu.org/licenses>.
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#
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# Linking this program statically or dynamically with other modules is making a
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# combined work based on this program. Thus, the terms and conditions of the GNU
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# General Public License cover the whole combination.
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#
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# As a special exception, the copyright holders of this program give CENTREON
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# permission to link this program with independent modules to produce an timeelapsedutable,
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# regardless of the license terms of these independent modules, and to copy and
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# distribute the resulting timeelapsedutable under terms of CENTREON choice, provided that
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# CENTREON also meet, for each linked independent module, the terms and conditions
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# of the license of that module. An independent module is a module which is not
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# derived from this program. If you modify this program, you may extend this
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# exception to your version of the program, but you are not obliged to do so. If you
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# do not wish to do so, delete this exception statement from your version.
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#
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# For more information : contact@centreon.com
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# Authors : Mathieu Cinquin <mcinquin@centreon.com>
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#
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####################################################################################
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package apps::elasticsearch::mode::cluster;
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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::httplib;
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use JSON;
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my $thresholds = {
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cluster => [
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['green', 'OK'],
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['yellow', 'WARNING'],
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['red', 'CRITICAL'],
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],
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};
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"hostname:s" => { name => 'hostname' },
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"port:s" => { name => 'port', default => '9200'},
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"proto:s" => { name => 'proto', default => 'http' },
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"urlpath:s" => { name => 'url_path', default => '/' },
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"credentials" => { name => 'credentials' },
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"username:s" => { name => 'username' },
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"password:s" => { name => 'password' },
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"timeout:s" => { name => 'timeout', default => '3' },
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"threshold-overload:s@" => { name => 'threshold_overload' },
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});
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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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$self->SUPER::init(%options);
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if (!defined($self->{option_results}->{hostname})) {
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$self->{output}->add_option_msg(short_msg => "Please set the hostname option");
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$self->{output}->option_exit();
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}
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if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
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$self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
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$self->{output}->option_exit();
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}
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$self->{overload_th} = {};
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foreach my $val (@{$self->{option_results}->{threshold_overload}}) {
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if ($val !~ /^(.*?),(.*?),(.*)$/) {
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$self->{output}->add_option_msg(short_msg => "Wrong treshold-overload option '" . $val . "'.");
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$self->{output}->option_exit();
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}
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my ($section, $status, $filter) = ($1, $2, $3);
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if ($self->{output}->is_litteral_status(status => $status) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong treshold-overload status '" . $val . "'.");
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$self->{output}->option_exit();
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}
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$self->{overload_th}->{$section} = [] if (!defined($self->{overload_th}->{$section}));
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push @{$self->{overload_th}->{$section}}, {filter => $filter, status => $status};
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}
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}
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sub get_severity {
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my ($self, %options) = @_;
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my $status = 'UNKNOWN'; # default
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if (defined($self->{overload_th}->{$options{section}})) {
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foreach (@{$self->{overload_th}->{$options{section}}}) {
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if ($options{value} =~ /$_->{filter}/i) {
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$status = $_->{status};
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return $status;
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}
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}
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}
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foreach (@{$thresholds->{$options{section}}}) {
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if ($options{value} =~ /$$_[0]/i) {
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$status = $$_[1];
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return $status;
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}
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}
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return $status;
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}
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sub run {
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my ($self, %options) = @_;
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$self->{option_results}->{url_path} = $self->{option_results}->{url_path}."_cluster/health/";
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my $jsoncontent = centreon::plugins::httplib::connect($self, connection_exit => 'critical');
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my $json = JSON->new;
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my $webcontent;
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eval {
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$webcontent = $json->decode($jsoncontent);
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};
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
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$self->{output}->option_exit();
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}
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my $exit = $self->get_severity(section => 'cluster', value => $webcontent->{status});
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if ($webcontent->{status} eq 'green') {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("All shard are allocated for %s", $webcontent->{cluster_name}));
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} elsif ($webcontent->{status} eq 'yellow') {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Primary shards are allocated but replicas not for %s", $webcontent->{cluster_name}));
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} elsif ($webcontent->{status} eq 'red') {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Some or all primary shards aren't ready for %s", $webcontent->{cluster_name}));
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}
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$self->{output}->perfdata_add(label => 'primary_shard',
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value => sprintf("%d", $webcontent->{active_primary_shards}),
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min => 0,
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);
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$self->{output}->perfdata_add(label => 'shard',
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value => sprintf("%d", $webcontent->{active_shards}),
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min => 0,
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);
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$self->{output}->perfdata_add(label => 'unassigned_shard',
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value => sprintf("%d", $webcontent->{unassigned_shards}),
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min => 0,
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);
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$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 Elasticsearch cluster health
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=over 8
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=item B<--hostname>
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IP Addr/FQDN of the Elasticsearch host
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=item B<--port>
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Port used by Elasticsearch API (Default: '9200')
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=item B<--proto>
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Specify https if needed (Default: 'http')
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=item B<--urlpath>
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Set path to get Elasticsearch information (Default: '/')
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=item B<--credentials>
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Specify this option if you access webpage over basic authentification
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=item B<--username>
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Specify username for API authentification
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=item B<--password>
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Specify password for API authentification
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=item B<--timeout>
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Threshold for HTTP timeout (Default: 3)
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=item B<--threshold-overload>
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Set to overload default threshold values (syntax: section,status,regexp)
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It used before default thresholds (order stays).
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Example: --threshold-overload='cluster,CRITICAL,^(?!(on)$)'
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=back
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=cut
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