257 lines
8.8 KiB
Perl
257 lines
8.8 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 hardware::devices::polycom::trio::restapi::custom::api;
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use base qw(centreon::plugins::mode);
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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 JSON::XS;
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use Digest::MD5 qw(md5_hex);
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use Fcntl qw(:flock);
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use POSIX;
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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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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$options{options}->add_options(arguments => {
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'hostname:s' => { name => 'hostname' },
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'port:s' => { name => 'port'},
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'proto:s' => { name => 'proto' },
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'api-username:s' => { name => 'api_username', default => 'Polycom' },
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'api-password:s' => { name => 'api_password' },
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'timeout:s' => { name => 'timeout', default => 50 },
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'lockfile-dir:s' => { name => 'lockfile_dir', default => '/var/lib/centreon/centplugins' },
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'unknown-http-status:s' => { name => 'unknown_http_status' },
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'warning-http-status:s' => { name => 'warning_http_status' },
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'critical-http-status:s' => { name => 'critical_http_status' },
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});
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}
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$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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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})) ? $self->{option_results}->{hostname} : undef;
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$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} =~ /(\d+)/) ? $1 : 50;
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$self->{api_username} = (defined($self->{option_results}->{api_username})) ? $self->{option_results}->{api_username} : 'Polycom';
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$self->{api_password} = (defined($self->{option_results}->{api_password})) ? $self->{option_results}->{api_password} : undef;
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$self->{unknown_http_status} = (defined($self->{option_results}->{unknown_http_status})) ? $self->{option_results}->{unknown_http_status} : '%{http_code} < 200 or %{http_code} >= 300';
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$self->{warning_http_status} = (defined($self->{option_results}->{warning_http_status})) ? $self->{option_results}->{warning_http_status} : '';
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$self->{critical_http_status} = (defined($self->{option_results}->{critical_http_status})) ? $self->{option_results}->{critical_http_status} : '';
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$self->{lockfile_dir} = (defined($self->{option_results}->{lockfile_dir})) ? $self->{option_results}->{lockfile_dir} : '/var/lib/centreon/centplugins';
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if (!defined($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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$self->{output}->option_exit();
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}
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return 0;
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}
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sub build_options_for_httplib {
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my ($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}->{credentials} = 1;
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$self->{option_results}->{basic} = 1;
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$self->{option_results}->{username} = $self->{api_username};
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$self->{option_results}->{password} = $self->{api_password};
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}
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sub settings {
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my ($self, %options) = @_;
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return if (defined($self->{settings_done}));
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$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 => 'Content-Type', value => 'application/json');
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$self->{http}->set_options(%{$self->{option_results}});
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$self->{settings_done} = 1;
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}
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sub request_api {
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my ($self, %options) = @_;
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$self->settings();
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my ($fh, $content);
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my $lockfile = $self->{lockfile_dir} . '/polycom_trio_' . md5_hex($self->{hostname}) . '.lock';
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if (!sysopen($fh, $lockfile, O_WRONLY | O_CREAT)) {
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$self->{output}->add_option_msg(short_msg => "cannot open/create lock file '" . $lockfile . "': $!");
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$self->{output}->option_exit();
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}
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my $locked = 0;
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eval {
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local $SIG{ALRM} = sub { die 'timeout' };
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alarm($self->{timeout} + 5);
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flock($fh, LOCK_EX);
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$locked = 1;
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my $count = 0;
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while (1) {
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$content = $self->{http}->request(
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method => 'GET',
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url_path => $options{url_path},
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unknown_status => $self->{unknown_http_status},
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warning_status => $self->{warning_http_status},
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critical_status => $self->{critical_http_status},
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);
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last if ($self->{http}->get_code() != 403);
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if ($count == 5) {
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$self->{output}->add_option_msg(short_msg => 'cannot get data from polycom trio - tried 5 times');
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$self->{output}->option_exit();
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}
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sleep(10);
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$count++;
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}
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alarm(0);
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flock($fh, LOCK_UN);
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$locked = 0;
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};
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if ($@) {
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flock($fh, LOCK_UN) if ($locked == 1);
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$self->{output}->add_option_msg(short_msg => 'plugin timeout: ' . $@);
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$self->{output}->option_exit();
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}
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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($content);
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};
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if ($@ || !defined($decoded->{Status})) {
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$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} != 2000) {
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$self->{output}->add_option_msg(short_msg => 'api error code ' . $decoded->{Status});
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$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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Polycom Trio Rest API
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=head1 REST API OPTIONS
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=over 8
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=item B<--hostname>
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Set hostname.
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=item B<--port>
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Set port (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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Set username.
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=item B<--api-password>
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Set password.
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=item B<--lockfile-dir>
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Specify the lock file directory (Default: '/var/lib/centreon/centplugins').
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=item B<--timeout>
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Threshold for HTTP timeout (Default: '30').
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=back
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=cut
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