centreon-plugins/cloud/docker/mode/listcontainers.pm

170 lines
4.6 KiB
Perl

#
# Copyright 2015 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 cloud::docker::mode::listcontainers;
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 => '2376'},
"proto:s" => { name => 'proto', default => 'https' },
"urlpath:s" => { name => 'url_path', default => '/' },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"ssl:s" => { name => 'ssl', },
"cert-file:s" => { name => 'cert_file' },
"key-file:s" => { name => 'key_file' },
"cacert-file:s" => { name => 'cacert_file' },
"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);
$self->{option_results}->{url_path} = $self->{option_results}->{url_path}."containers/json";
$self->{option_results}->{get_param} = [];
push @{$self->{option_results}->{get_param}}, "all=true";
$self->{http}->set_options(%{$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();
}
foreach my $val (@$webcontent) {
my $containername = $val->{Names}->[0];
$containername =~ s/^\///;
my $containerid = $val->{Id};
my $containerimage = $val->{Image};
my $containerstate;
if (($val->{Status} =~ m/^Up/) && ($val->{Status} =~ m/^(?:(?!Paused).)*$/)) {
$containerstate = 'Running';
} elsif ($val->{Status} =~ m/^Exited/) {
$containerstate = 'Exited';
} elsif ($val->{Status} =~ m/\(Paused\)$/) {
$containerstate = 'Paused';
}
$self->{output}->output_add(long_msg => sprintf("%s [id = %s , image = %s, state = %s]",
$containername, $containerid, $containerimage, $containerstate));
}
$self->{output}->output_add(severity => 'OK',
short_msg => 'List containers:');
$self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
$self->{output}->exit();
}
1;
__END__
=head1 MODE
List Docker containers
=over 8
=item B<--hostname>
IP Addr/FQDN of Docker's API
=item B<--port>
Port used by Docker's API (Default: '2576')
=item B<--proto>
Specify https if needed (Default: 'https')
=item B<--urlpath>
Set path to get Docker containers (Default: '/')
=item B<--credentials>
Specify this option if you access webpage over basic authentification
=item B<--username>
Specify username
=item B<--password>
Specify password
=item B<--ssl>
Specify SSL version (example : 'sslv3', 'tlsv1'...)
=item B<--cert-file>
Specify certificate to send to the webserver
=item B<--key-file>
Specify key to send to the webserver
=item B<--cacert-file>
Specify root certificate to send to the webserver
=item B<--timeout>
Threshold for HTTP timeout (Default: 3)
=back
=cut