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

172 lines
5.5 KiB
Perl

#
# Copyright 2017 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package apps::elasticsearch::mode::nodescount;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::http;
use JSON;
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' },
"urlpath:s" => { name => 'url_path', default => '/_cluster/stats' },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"timeout:s" => { name => 'timeout' },
});
$self->{http} = centreon::plugins::http->new(output => $self->{output});
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();
}
$self->{http}->set_options(%{$self->{option_results}});
}
sub run {
my ($self, %options) = @_;
my $jsoncontent = $self->{http}->request();
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();
}
my $exit = $self->{perfdata}->threshold_check(value => $webcontent->{nodes}->{count}->{total}, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Number of nodes for cluster %s : %d",
$webcontent->{cluster_name}, $webcontent->{nodes}->{count}->{total}));
$self->{output}->perfdata_add(label => "node",
value => $webcontent->{nodes}->{count}->{total},
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0,
);
$self->{output}->perfdata_add(label => "nodemasteronly",
value => $webcontent->{nodes}->{count}->{master_only},
min => 0,
);
$self->{output}->perfdata_add(label => "nodedataonly",
value => $webcontent->{nodes}->{count}->{data_only},
min => 0,
);
$self->{output}->perfdata_add(label => "nodemasterdata",
value => $webcontent->{nodes}->{count}->{master_data},
min => 0,
);
$self->{output}->perfdata_add(label => "nodeclient",
value => $webcontent->{nodes}->{count}->{client},
min => 0,
);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check Elasticsearch number of nodes
=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: '_cluster/stats')
=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<--warning>
Threshold warning.
=item B<--critical>
Threshold critical.
=item B<--timeout>
Threshold for HTTP timeout (Default: 5)
=back
=cut