centreon-plugins/cloud/ovh/restapi/custom/api.pm

234 lines
7.3 KiB
Perl

#
# Copyright 2021 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::ovh::restapi::custom::api;
use strict;
use warnings;
use centreon::plugins::http;
use JSON::XS;
use Digest::SHA 'sha1_hex';
my %map_ovh_type = (
OVH_API_EU => 'https://eu.api.ovh.com/1.0',
OVH_API_CA => 'https://ca.api.ovh.com/1.0'
);
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 => {
'ovh-type:s@' => { name => 'ovh_type' },
'ovh-application-key:s@' => { name => 'ovh_application_key' },
'ovh-application-secret:s@' => { name => 'ovh_application_secret' },
'ovh-consumer-key:s@' => { name => 'ovh_consumer_key' },
'timeout:s@' => { name => 'timeout' }
});
}
$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) = @_;
$self->{ovh_type} = (defined($self->{option_results}->{ovh_type})) ? shift(@{$self->{option_results}->{ovh_type}}) : 'OVH_API_EU';
$self->{ovh_application_key} = (defined($self->{option_results}->{ovh_application_key})) ? shift(@{$self->{option_results}->{ovh_application_key}}) : undef;
$self->{ovh_application_secret} = (defined($self->{option_results}->{ovh_application_secret})) ? shift(@{$self->{option_results}->{ovh_application_secret}}) : undef;
$self->{ovh_consumer_key} = (defined($self->{option_results}->{ovh_consumer_key})) ? shift(@{$self->{option_results}->{ovh_consumer_key}}) : undef;
$self->{timeout} = (defined($self->{option_results}->{timeout})) ? shift(@{$self->{option_results}->{timeout}}) : 10;
if (!defined($self->{ovh_application_key})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --ovh-application-key option.");
$self->{output}->option_exit();
}
if (!defined($self->{ovh_application_secret})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --ovh-application-secret option.");
$self->{output}->option_exit();
}
if (!defined($self->{ovh_consumer_key})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --ovh-consumer-key option.");
$self->{output}->option_exit();
}
if (!defined($self->{ovh_application_key}) ||
scalar(@{$self->{option_results}->{ovh_application_key}}) == 0) {
return 0;
}
return 1;
}
sub build_options_for_httplib {
my ($self, %options) = @_;
$self->{option_results}->{timeout} = $self->{timeout};
}
sub settings {
my ($self, %options) = @_;
$self->build_options_for_httplib();
$self->{http}->add_header(key => 'X-Ovh-Application', value => $self->{ovh_application_key});
if (!defined($options{no_signature}) || $options{no_signature} == 0) {
my $now = $self->time_delta() + time;
my $method = defined($options{method}) ? uc($options{method}) : 'GET';
my $body = '';
if ($method !~ /GET|DELETE/) {
my $content;
eval {
$content = JSON::XS->new->utf8->encode($options{body});
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot encode json: $@");
$self->{output}->option_exit();
}
$self->{http}->add_header(key => 'Content-type', value => 'application/json');
$self->{option_results}->{query_form_post} = $content;
}
$self->{http}->add_header(key => 'X-Ovh-Consumer', value => $self->{ovh_consumer_key});
$self->{http}->add_header(key => 'X-Ovh-Timestamp', value => $now);
$self->{http}->add_header(key => 'X-Ovh-Signature', value => '$1$' . sha1_hex(join('+', (
# Full signature is '$1$' followed by the hex digest of the SHA1 of all these data joined by a + sign
$self->{ovh_application_secret}, # Application secret
$self->{ovh_consumer_key}, # Consumer key
$method, # HTTP method (uppercased)
$map_ovh_type{uc($self->{ovh_type})} . $options{path}, # Full URL
$body, # Full body
$now, # Curent OVH server time
))));
}
$self->{http}->set_options(%{$self->{option_results}});
}
sub time_delta {
my ($self, %options) = @_;
if (!defined($self->{time_delta})) {
my $response = $self->get(path => '/auth/time', no_signature => 1, no_decode => 1);
$self->{time_delta} = $response - time();
}
return $self->{time_delta};
}
sub get {
my ($self, %options) = @_;
$self->settings(%options);
my $response = $self->{http}->request(
full_url => $map_ovh_type{uc($self->{ovh_type})} . $options{path},
hostname => '',
critical_status => '',
warning_status => ''
);
my ($client_warning) = $self->{http}->get_header(name => 'Client-Warning');
if (defined($client_warning) && $client_warning eq 'Internal response') {
$self->{output}->add_option_msg(short_msg => "Internal LWP::UserAgent error: $response");
$self->{output}->option_exit();
}
if (defined($options{no_decode}) && $options{no_decode} == 1) {
return $response;
}
my $content;
eval {
$content = JSON::XS->new->utf8->decode($response);
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot decode json response: $@");
$self->{output}->option_exit();
}
return $content;
}
1;
__END__
=head1 NAME
OVH REST API
=head1 SYNOPSIS
OVH Rest API custom mode
=head1 REST API OPTIONS
=over 8
=item B<--ovh-type>
Can be: OVH_API_EU or OVH_API_CA (default: OVH_API_EU).
=item B<--ovh-application-key>
OVH API applicationKey
=item B<--ovh-application-secret>
OVH API applicationSecret
=item B<--ovh-consumer-key>
OVH API consumerKey
=item B<--timeout>
Set HTTP timeout
=back
=head1 DESCRIPTION
B<custom>.
=cut