centreon-plugins/apps/backup/rubrik/restapi/custom/api.pm

#
# Copyright 2020 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::backup::rubrik::restapi::custom::api;

use strict;
use warnings;
use centreon::plugins::http;
use JSON::XS;

sub new {
    my ($class, %options) = @_;
    my $self  = {};
    bless $self, $class;

    if (!defined($options{output})) {
        print "Class Custom: Need to specify 'output' argument.\n";
        exit 3;
    }
    if (!defined($options{options})) {
        $options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
        $options{output}->option_exit();
    }
    
    if (!defined($options{noptions})) {
        $options{options}->add_options(arguments => {
            'api-username:s'    => { name => 'api_username' },
            'api-password:s'    => { name => 'api_password' },
            'hostname:s'        => { name => 'hostname' },
            'port:s'            => { name => 'port' },
            'proto:s'           => { name => 'proto' },
            'timeout:s'         => { name => 'timeout' },
            'unknown-http-status:s'  => { name => 'unknown_http_status' },
            'warning-http-status:s'  => { name => 'warning_http_status' },
            'critical-http-status:s' => { name => 'critical_http_status' }
        });
    }
    $options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);

    $self->{output} = $options{output};
    $self->{http} = centreon::plugins::http->new(%options);

    return $self;
}

sub set_options {
    my ($self, %options) = @_;

    $self->{option_results} = $options{option_results};
}

sub set_defaults {}

sub check_options {
    my ($self, %options) = @_;

    $self->{option_results}->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 443;
    $self->{option_results}->{proto} = (defined($self->{option_results}->{proto})) ? $self->{option_results}->{proto} : 'https';
    $self->{option_results}->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 30;
    $self->{api_username} = (defined($self->{option_results}->{api_username})) ? $self->{option_results}->{api_username} : '';
    $self->{api_password} = (defined($self->{option_results}->{api_password})) ? $self->{option_results}->{api_password} : '';
    $self->{unknown_http_status} = (defined($self->{option_results}->{unknown_http_status})) ? $self->{option_results}->{unknown_http_status} : '%{http_code} < 200 or %{http_code} >= 300';
    $self->{warning_http_status} = (defined($self->{option_results}->{warning_http_status})) ? $self->{option_results}->{warning_http_status} : '';
    $self->{critical_http_status} = (defined($self->{option_results}->{critical_http_status})) ? $self->{option_results}->{critical_http_status} : '';

    if (!defined($self->{option_results}->{hostname}) || $self->{option_results}->{hostname} eq '') {
        $self->{output}->add_option_msg(short_msg => 'Need to specify --hostname option.');
        $self->{output}->option_exit();
    }
    if ($self->{api_username} eq '') {
        $self->{output}->add_option_msg(short_msg => 'Need to specify --api-username option.');
        $self->{output}->option_exit();
    }
    if ($self->{api_password} eq '') {
        $self->{output}->add_option_msg(short_msg => 'Need to specify --api-password option.');
        $self->{output}->option_exit();
    }

    return 0;
}

sub settings {
    my ($self, %options) = @_;

    return if (defined($self->{settings_done}));
    $self->{http}->add_header(key => 'Accept', value => 'application/json');
    $self->{http}->add_header(key => 'Content-Type', value => 'application/json');
    $self->{option_results}->{credentials} = 1;
    $self->{option_results}->{basic} = 1;
    $self->{option_results}->{username} = $self->{api_username};
    $self->{option_results}->{password} = $self->{api_password};
    $self->{http}->set_options(%{$self->{option_results}});
    $self->{settings_done} = 1;
}

sub get_connection_info {
    my ($self, %options) = @_;

    return $self->{option_results}->{hostname} . ":" . $self->{option_results}->{port};
}

sub request_api {
    my ($self, %options) = @_;

    $self->settings();
    my ($content) = $self->{http}->request(
        url_path => '/api/internal' . $options{endpoint},
        unknown_status => $self->{unknown_http_status},
        warning_status => $self->{warning_http_status},
        critical_status => $self->{critical_http_status},
        get_param => $options{get_param}
    );

    if (!defined($content) || $content eq '') {
        $self->{output}->add_option_msg(short_msg => "API returns empty content [code: '" . $self->{http}->get_code() . "'] [message: '" . $self->{http}->get_message() . "']");
        $self->{output}->option_exit();
    }

    my $decoded;
    eval {
        $decoded = JSON::XS->new->allow_nonref(1)->utf8->decode($content);
    };
    if ($@) {
        $self->{output}->add_option_msg(short_msg => "Cannot decode response (add --debug option to display returned content)");
        $self->{output}->option_exit();
    }

    return $decoded;
}

1;

__END__

=head1 NAME

Rubrik Rest API

=head1 REST API OPTIONS

Rubrik Rest API

=over 8

=item B<--hostname>

Set hostname.

=item B<--port>

Port used (Default: 443)

=item B<--proto>

Specify https if needed (Default: 'https')

=item B<--api-username>

API username.

=item B<--api-password>

API password.

=item B<--timeout>

Set timeout in seconds (Default: 30).

=back

=head1 DESCRIPTION

B<custom>.

=cut