268 lines
8.6 KiB
Perl
268 lines
8.6 KiB
Perl
#
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# Copyright 2020 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package storage::dell::me4::restapi::custom::api;
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use strict;
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use warnings;
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use centreon::plugins::http;
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use centreon::plugins::statefile;
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use JSON::XS;
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use Digest::MD5 qw(md5_hex);
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sub new {
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my ($class, %options) = @_;
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my $self = {};
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bless $self, $class;
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if (!defined($options{output})) {
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print "Class Custom: Need to specify 'output' argument.\n";
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exit 3;
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}
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if (!defined($options{options})) {
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$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
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$options{output}->option_exit();
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}
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if (!defined($options{noptions})) {
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$options{options}->add_options(arguments => {
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'api-username:s' => { name => 'api_username' },
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'api-password:s' => { name => 'api_password' },
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'hostname:s' => { name => 'hostname' },
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'port:s' => { name => 'port' },
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'proto:s' => { name => 'proto' },
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'timeout:s' => { name => 'timeout' },
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});
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}
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$options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);
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$self->{output} = $options{output};
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$self->{mode} = $options{mode};
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$self->{http} = centreon::plugins::http->new(%options);
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$self->{cache} = centreon::plugins::statefile->new(%options);
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$self->{set_lang} = 0;
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return $self;
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}
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sub set_options {
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my ($self, %options) = @_;
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$self->{option_results} = $options{option_results};
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}
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sub set_defaults {
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my ($self, %options) = @_;
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foreach (keys %{$options{default}}) {
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if ($_ eq $self->{mode}) {
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for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
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foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
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if (!defined($self->{option_results}->{$opt}[$i])) {
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$self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
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}
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}
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}
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}
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}
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->{hostname} = (defined($self->{option_results}->{hostname})) ? $self->{option_results}->{hostname} : '';
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$self->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 443;
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$self->{proto} = (defined($self->{option_results}->{proto})) ? $self->{option_results}->{proto} : 'https';
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$self->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 10;
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$self->{api_username} = (defined($self->{option_results}->{api_username})) ? $self->{option_results}->{api_username} : '';
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$self->{api_password} = (defined($self->{option_results}->{api_password})) ? $self->{option_results}->{api_password} : '';
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if (!defined($self->{hostname}) || $self->{hostname} eq '') {
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$self->{output}->add_option_msg(short_msg => "Need to specify --hostname option.");
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$self->{output}->option_exit();
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}
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if (!defined($self->{api_username}) || $self->{api_username} eq '') {
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$self->{output}->add_option_msg(short_msg => "Need to specify --api-username option.");
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$self->{output}->option_exit();
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}
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if (!defined($self->{api_password}) || $self->{api_password} eq '') {
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$self->{output}->add_option_msg(short_msg => "Need to specify --api-password option.");
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$self->{output}->option_exit();
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}
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$self->{cache}->check_options(option_results => $self->{option_results});
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return 0;
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}
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sub build_options_for_httplib {
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my ($self, %options) = @_;
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$self->{option_results}->{hostname} = $self->{hostname};
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$self->{option_results}->{timeout} = $self->{timeout};
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$self->{option_results}->{port} = $self->{port};
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$self->{option_results}->{proto} = $self->{proto};
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$self->{option_results}->{timeout} = $self->{timeout};
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$self->{option_results}->{warning_status} = '';
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$self->{option_results}->{critical_status} = '';
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$self->{option_results}->{unknown_status} = '%{http_code} < 200 or %{http_code} > 400';
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}
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sub settings {
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my ($self, %options) = @_;
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$self->build_options_for_httplib();
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$self->{http}->add_header(key => 'Accept', value => 'application/json');
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$self->{http}->add_header(key => 'datatype', value => 'json');
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if (defined($self->{session_key})) {
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$self->{http}->add_header(key => 'sessionKey', value => $self->{session_key});
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}
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$self->{http}->set_options(%{$self->{option_results}});
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}
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sub get_hostname {
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my ($self, %options) = @_;
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return $self->{hostname};
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}
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sub get_session_key {
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my ($self, %options) = @_;
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my $has_cache_file = $options{statefile}->read(statefile => 'dell_me4_api_' . md5_hex($self->{hostname}) . '_' . md5_hex($self->{api_username}));
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my $expires_on = $options{statefile}->get(name => 'expires_on');
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my $session_key = $options{statefile}->get(name => 'session_key');
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if ($has_cache_file == 0 || !defined($session_key) || (($expires_on - time()) < 10)) {
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my $digest_data = $self->{api_username} . '_' . $self->{api_password};
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my $digest_hash = md5_hex($digest_data);
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$self->settings();
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my $content = $self->{http}->request(
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method => 'GET',
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url_path => '/api/login/' . $digest_hash
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);
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if (!defined($content) || $content eq '') {
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$self->{output}->add_option_msg(short_msg => "Login endpoint returns empty content [code: '" . $self->{http}->get_code() . "'] [message: '" . $self->{http}->get_message() . "']");
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$self->{output}->option_exit();
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}
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my $decoded;
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eval {
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$decoded = JSON::XS->new->utf8->decode($content);
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};
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if ($@) {
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$self->{output}->output_add(long_msg => $content, debug => 1);
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$self->{output}->add_option_msg(short_msg => "Cannot decode response (add --debug option to display returned content)");
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$self->{output}->option_exit();
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}
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if ($decoded->{status}[0]->{'response-type'} ne 'Success') {
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$self->{output}->add_option_msg(short_msg => "Login endpoint returns an error: '" . $decoded->{status}[0]->{response} . "'");
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$self->{output}->option_exit();
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}
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$session_key = $decoded->{status}[0]->{response};
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my $datas = { last_timestamp => time(), session_key => $decoded->{status}[0]->{response}, expires_on => 3600 };
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$options{statefile}->write(data => $datas);
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}
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return $session_key;
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}
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sub request_api {
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my ($self, %options) = @_;
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if (!defined($self->{session_key})) {
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$self->{session_key} = $self->get_session_key(statefile => $self->{cache});
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}
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$self->settings();
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if ($self->{set_lang} == 0) {
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$self->{http}->request(method => 'GET', url_path => '/api/set/cli-parameters/locale/English');
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$self->{set_lang} = 1;
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}
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my $content = $self->{http}->request(%options);
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if (!defined($content) || $content eq '') {
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$self->{output}->add_option_msg(short_msg => "API returns empty content [code: '" . $self->{http}->get_code() . "'] [message: '" . $self->{http}->get_message() . "']");
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$self->{output}->option_exit();
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}
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my $decoded;
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eval {
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$decoded = JSON::XS->new->utf8->decode($content);
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};
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Cannot decode response (add --debug option to display returned content)");
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$self->{output}->option_exit();
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}
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return $decoded;
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}
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1;
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__END__
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=head1 NAME
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Dell ME4 Rest API
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=head1 REST API OPTIONS
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Dell ME4 Rest API
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=over 8
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=item B<--hostname>
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Dell ME4 hostname.
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=item B<--port>
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Port used (Default: 443)
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=item B<--proto>
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Specify https if needed (Default: 'https')
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=item B<--api-username>
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Dell ME4 API username.
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=item B<--api-password>
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Dell ME4 API password.
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=item B<--timeout>
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Set timeout in seconds (Default: 10).
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=back
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=head1 DESCRIPTION
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B<custom>.
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=cut
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