centreon-plugins/storage/emc/xtremio/restapi/custom/xtremioapi.pm

299 lines
9.0 KiB
Perl

#
# Copyright 2017 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 storage::emc::xtremio::restapi::custom::xtremioapi;
use strict;
use warnings;
use centreon::plugins::http;
use centreon::plugins::statefile;
use JSON;
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 =>
{
"hostname:s@" => { name => 'hostname', },
"xtremio-username:s@" => { name => 'xtremio_username', },
"xtremio-password:s@" => { name => 'xtremio_password', },
"proxyurl:s@" => { name => 'proxyurl', },
"timeout:s@" => { name => 'timeout', },
"reload-cache-time:s" => { name => 'reload_cache_time' },
});
}
$options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);
$self->{output} = $options{output};
$self->{mode} = $options{mode};
$self->{http} = centreon::plugins::http->new(output => $self->{output});
$self->{statefile_cache_cluster} = centreon::plugins::statefile->new(%options);
return $self;
}
sub set_options {
my ($self, %options) = @_;
$self->{option_results} = $options{option_results};
}
sub set_defaults {
my ($self, %options) = @_;
foreach (keys %{$options{default}}) {
if ($_ eq $self->{mode}) {
for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
if (!defined($self->{option_results}->{$opt}[$i])) {
$self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
}
}
}
}
}
}
sub check_options {
my ($self, %options) = @_;
$self->{hostname} = (defined($self->{option_results}->{hostname})) ? shift(@{$self->{option_results}->{hostname}}) : undef;
$self->{xtremio_username} = (defined($self->{option_results}->{xtremio_username})) ? shift(@{$self->{option_results}->{xtremio_username}}) : '';
$self->{xtremio_password} = (defined($self->{option_results}->{xtremio_password})) ? shift(@{$self->{option_results}->{xtremio_password}}) : '';
$self->{timeout} = (defined($self->{option_results}->{timeout})) ? shift(@{$self->{option_results}->{timeout}}) : 10;
$self->{proxyurl} = (defined($self->{option_results}->{proxyurl})) ? shift(@{$self->{option_results}->{proxyurl}}) : undef;
$self->{reload_cache_time} = (defined($self->{option_results}->{reload_cache_time})) ? shift(@{$self->{option_results}->{reload_cache_time}}) : 180;
if (!defined($self->{hostname})) {
$self->{output}->add_option_msg(short_msg => "Need to specify hostname option.");
$self->{output}->option_exit();
}
if (!defined($self->{xtremio_username}) || !defined($self->{xtremio_password})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --xtremio-username and --xtremio-password options.");
$self->{output}->option_exit();
}
if (!defined($self->{hostname}) ||
scalar(@{$self->{option_results}->{hostname}}) == 0) {
$self->{statefile_cache_cluster}->check_options(option_results => $self->{option_results});
return 0;
}
return 1;
}
sub build_options_for_httplib {
my ($self, %options) = @_;
$self->{option_results}->{hostname} = $self->{xtremio_username}.':'.$self->{xtremio_password}.'@'.$self->{hostname};
$self->{option_results}->{timeout} = $self->{timeout};
$self->{option_results}->{port} = 443;
$self->{option_results}->{proto} = 'https';
$self->{option_results}->{proxyurl} = $self->{proxyurl};
}
sub settings {
my ($self, %options) = @_;
$self->build_options_for_httplib();
$self->{http}->set_options(%{$self->{option_results}});
}
sub cache_clusters {
my ($self, %options) = @_;
my $has_cache_file = $self->{statefile_cache_cluster}->read(statefile => 'cache_xtremio_clusters_' . $self->{hostname} . '_' . $self->{port});
my $timestamp_cache = $self->{statefile_cache_cluster}->get(name => 'last_timestamp');
my $clusters = $self->{statefile_cache_cluster}->get(name => 'clusters');
if ($has_cache_file == 0 || !defined($timestamp_cache) || ((time() - $timestamp_cache) > (($self->{reload_cache_time}) * 60))) {
$clusters = {};
my $datas = { last_timestamp => time(), clusters => $clusters };
my @items = $self->get_items(url => '/api/json/types/',
obj => 'clusters');
foreach (@items) {
$clusters->{$_} = 1;
}
$self->{statefile_cache_cluster}->write(data => $datas);
}
return $clusters;
}
sub get_items {
my ($self, %options) = @_;
$self->settings();
if (defined($options{obj}) && $options{obj} ne '') {
$options{url} .= $options{obj} . '/';
}
my $response = $self->{http}->request(url_path => $options{url});
my $decoded;
eval {
$decoded = decode_json($response);
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
my @items;
foreach my $context (@{$decoded->{$options{obj}}}) {
push @items, $context->{name};
}
return @items;
}
sub get_details_data {
my ($self, %options) = @_;
my $response = $self->{http}->request(url_path => $options{url},
critical_status => '', warning_status => '', unknown_status => '');
my $decoded;
eval {
$decoded = decode_json($response);
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
return $decoded;
}
sub get_details_lookup_clusters {
my ($self, %options) = @_;
#Message if object not found:
#{
# "message": "obj_not_found",
# "error_code": 400
#}
#
if (!defined($self->{cache_clusters})) {
$self->{cache_clusters} = $self->cache_clusters();
}
foreach my $cluster_name (keys %{$self->{cache_clusters}}) {
my $url = $options{url} . $options{append} . 'cluster-name=' . $cluster_name;
my $decoded = $self->get_details_data(url => $url);
return $decoded if (!defined($decoded->{error_code}));
}
# object is not found.
$self->{output}->add_option_msg(short_msg => "xtremio api issue: cannot found object details");
$self->{output}->option_exit();
}
sub get_details {
my ($self, %options) = @_;
$self->settings();
my $append = '?';
if ((defined($options{obj}) && $options{obj} ne '') && (defined($options{name}) && $options{name} ne '')) {
$options{url} .= $options{obj} . '/?name=' . $options{name};
$append = '&';
}
#Message when cluster id needed:
#{
# "message": "cluster_id_is_required",
# "error_code": 400
#}
#
my $decoded = $self->get_details_data(%options);
if (defined($decoded->{error_code}) &&
($decoded->{error_code} == 400 && $decoded->{message} eq 'cluster_id_is_required')) {
$decoded = $self->get_details_lookup_clusters(%options, append => $append);
} elsif (defined($decoded->{error_code})) {
$self->{output}->add_option_msg(short_msg => "xtremio api issue: $decoded->{message}");
$self->{output}->option_exit();
}
return $decoded->{content};
}
1;
__END__
=head1 NAME
XREMIO REST API
=head1 SYNOPSIS
Xtremio Rest API custom mode
=head1 REST API OPTIONS
=over 8
=item B<--hostname>
Xtremio hostname.
=item B<--xtremio-username>
Xtremio username.
=item B<--xtremio-password>
Xtremio password.
=item B<--proxyurl>
Proxy URL if any
=item B<--timeout>
Set HTTP timeout
=item B<--reload-cache-time>
Time in seconds before reloading cache file (default: 180).
The cache is used when XMS manages multiple clusters.
=back
=head1 DESCRIPTION
B<custom>.
=cut