centreon-plugins/apps/proxmox/ve/restapi/custom/api.pm

542 lines
17 KiB
Perl

#
# Copyright 2019 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::proxmox::ve::restapi::custom::api;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::http;
use centreon::plugins::statefile;
use JSON::XS;
use Digest::MD5 qw(md5_hex);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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' },
'port:s' => { name => 'port'},
'proto:s' => { name => 'proto' },
'api-username:s' => { name => 'api_username' },
'api-password:s' => { name => 'api_password' },
'realm:s' => { name => 'realm' },
'timeout:s' => { name => 'timeout' },
'reload-cache-time:s' => { name => 'reload_cache_time', default => 7200 },
});
}
$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(%options);
$self->{cache} = 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})) ? $self->{option_results}->{hostname} : undef;
$self->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 8006;
$self->{proto} = (defined($self->{option_results}->{proto})) ? $self->{option_results}->{proto} : 'https';
$self->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 10;
$self->{api_username} = (defined($self->{option_results}->{api_username})) ? $self->{option_results}->{api_username} : undef;
$self->{api_password} = (defined($self->{option_results}->{api_password})) ? $self->{option_results}->{api_password} : undef;
$self->{realm} = (defined($self->{option_results}->{realm})) ? $self->{option_results}->{realm} : 'pam';
if (!defined($self->{hostname}) || $self->{hostname} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --hostname option.");
$self->{output}->option_exit();
}
if (!defined($self->{api_username}) || $self->{api_username} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --api-username option.");
$self->{output}->option_exit();
}
if (!defined($self->{api_password}) || $self->{api_password} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --api-password option.");
$self->{output}->option_exit();
}
$self->{cache}->check_options(option_results => $self->{option_results});
return 0;
}
sub get_port {
my ($self, %options) = @_;
return $self->{option_results}->{port};
}
sub get_hostnames {
my ($self, %options) = @_;
return $self->{hostname};
}
sub build_options_for_httplib {
my ($self, %options) = @_;
$self->{option_results}->{hostname} = $self->{hostname};
$self->{option_results}->{port} = $self->{port};
$self->{option_results}->{proto} = $self->{proto};
$self->{option_results}->{timeout} = $self->{timeout};
$self->{option_results}->{warning_status} = '';
$self->{option_results}->{critical_status} = '';
$self->{option_results}->{unknown_status} = '%{http_code} < 200 or %{http_code} >= 300';
}
sub settings {
my ($self, %options) = @_;
$self->build_options_for_httplib();
$self->{http}->add_header(key => 'Accept', value => 'application/json');
$self->{http}->add_header(key => 'Content-Type', value => 'application/x-www-form-urlencoded');
if (defined($self->{ticket})) {
$self->{http}->add_header(key => 'Cookie', value => 'PVEAuthCookie=' . $self->{ticket});
}
$self->{http}->set_options(%{$self->{option_results}});
}
sub get_ticket {
my ($self, %options) = @_;
my $has_cache_file = $options{statefile}->read(statefile => 'proxmox_ve_api_' . md5_hex($self->{option_results}->{hostname}) . '_' . md5_hex($self->{option_results}->{api_username}));
my $expires_on = $options{statefile}->get(name => 'expires_on');
my $ticket = $options{statefile}->get(name => 'ticket');
if ($has_cache_file == 0 || !defined($ticket) || (($expires_on - time()) < 10)) {
my $post_data = 'username=' . $self->{api_username} .
'&password=' . $self->{api_password} .
'&realm=' . $self->{realm};
$self->settings();
my $content = $self->{http}->request(method => 'POST', query_form_post => $post_data,
url_path => '/api2/json/access/ticket');
my $decoded;
eval {
$decoded = JSON::XS->new->utf8->decode($content);
};
if ($@) {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
if (!defined($decoded->{data}->{ticket})) {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Error retrieving ticket");
$self->{output}->option_exit();
}
$ticket = $decoded->{data}->{ticket};
my $datas = { last_timestamp => time(), ticket => $ticket, expires_on => time() + 7200 };
$options{statefile}->write(data => $datas);
}
return $ticket;
}
sub request_api {
my ($self, %options) = @_;
if (!defined($self->{ticket})) {
$self->{ticket} = $self->get_ticket(statefile => $self->{cache});
}
$self->settings();
my $content = $self->{http}->request(%options);
my $decoded;
eval {
$decoded = JSON::XS->new->utf8->decode($content);
};
if ($@) {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Cannot decode json response: $@");
$self->{output}->option_exit();
}
if (!defined($decoded->{data})) {
$self->{output}->output_add(long_msg => $decoded, debug => 1);
$self->{output}->add_option_msg(short_msg => "Error while retrieving data (add --debug option for detailed message)");
$self->{output}->option_exit();
}
return $decoded->{data};
}
sub get_version {
my ($self, %options) = @_;
my $content = $self->request_api(method => 'GET', url_path =>'/api2/json/version');
return $content->{version};
}
sub internal_api_list_vms {
my ($self, %options) = @_;
my $vm = $self->request_api(method => 'GET', url_path =>'/api2/json/cluster/resources?type=vm');
return $vm;
}
sub api_list_vms {
my ($self, %options) = @_;
my $vms = {};
my $list_vms = $self->internal_api_list_vms();
foreach my $vm (@{$list_vms}) {
my ($type, $vmid) = split(/\//,$vm->{id});
$vms->{$vm->{id}} = {
State => $vm->{status},
Type => $type,
Vmid => $vmid,
Node => $vm->{node},
Name => $vm->{name},
};
}
return $vms;
}
sub internal_api_list_nodes {
my ($self, %options) = @_;
my $nodes = $self->request_api(method => 'GET', url_path =>'/api2/json/cluster/resources?type=node');
return $nodes;
}
sub api_list_nodes {
my ($self, %options) = @_;
my $nodes = {};
my $list_nodes = $self->internal_api_list_nodes();
foreach my $node (@{$list_nodes}) {
$nodes->{$node->{id}} = {
State => $node->{status},
Name => $node->{node},
};
}
return $nodes;
}
sub internal_api_list_storages {
my ($self, %options) = @_;
my $storage = $self->request_api(method => 'GET', url_path =>'/api2/json/cluster/resources?type=storage');
return $storage;
}
sub api_list_storages {
my ($self, %options) = @_;
my $storages = {};
my $list_storages = $self->internal_api_list_storages();
foreach my $storage (@{$list_storages}) {
$storages->{$storage->{id}} = {
State => $storage->{status},
Node => $storage->{node},
Name => $storage->{storage},
};
}
return $storages;
}
sub cache_vms {
my ($self, %options) = @_;
my $has_cache_file = $options{statefile}->read(statefile => 'cache_proxmox_vm_'.$self->{hostname} . '_' . $self->{port});
my $timestamp_cache = $options{statefile}->get(name => 'last_timestamp');
my $vms = $options{statefile}->get(name => 'vms');
if ($has_cache_file == 0 || !defined($timestamp_cache) || ((time() - $timestamp_cache) > (($options{reload_cache_time})))) {
$vms = {};
my $list_vms = $self->internal_api_list_vms();
foreach my $vm (@{$list_vms}) {
$vms->{$vm->{id}} = {
State => $vm->{status},
Node => $vm->{node},
Name => $vm->{name},
};
}
$options{statefile}->write(data => $vms);
}
return $vms;
}
sub cache_nodes {
my ($self, %options) = @_;
my $has_cache_file = $options{statefile}->read(statefile => 'cache_proxmox_node_'.$self->{hostname} . '_' . $self->{port});
my $timestamp_cache = $options{statefile}->get(name => 'last_timestamp');
my $nodes = $options{statefile}->get(name => 'nodes');
if ($has_cache_file == 0 || !defined($timestamp_cache) || ((time() - $timestamp_cache) > (($options{reload_cache_time})))) {
$nodes = {};
my $list_nodes = $self->internal_api_list_nodes();
foreach my $node (@{$list_nodes}) {
$nodes->{$node->{id}} = {
State => $node->{status},
Name => $node->{node},
};
}
$options{statefile}->write(data => $nodes);
}
return $nodes;
}
sub cache_storages {
my ($self, %options) = @_;
my $has_cache_file = $options{statefile}->read(statefile => 'cache_proxmox_storage_'.$self->{hostname} . '_' . $self->{port});
my $timestamp_cache = $options{statefile}->get(name => 'last_timestamp');
my $storages = $options{statefile}->get(name => 'storages');
if ($has_cache_file == 0 || !defined($timestamp_cache) || ((time() - $timestamp_cache) > (($options{reload_cache_time})))) {
$storages = {};
my $list_storages = $self->internal_api_list_storages();
foreach my $storage (@{$list_storages}) {
$storages->{$storage->{id}} = {
State => $storage->{status},
Name => $storage->{storage},
};
}
$options{statefile}->write(data => $storages);
}
return $storages;
}
sub internal_api_get_vm_stats {
my ($self, %options) = @_;
my $vm_stats = $self->request_api(method => 'GET', url_path => '/api2/json/nodes/' . $options{node_id} . '/' . $options{vm_id} . '/status/current');
return $vm_stats;
}
sub internal_api_get_node_stats {
my ($self, %options) = @_;
my (undef, $node) = split(/\//, $options{node_id});
my $node_stats = $self->request_api(method => 'GET', url_path => '/api2/json/nodes/' . $node . '/status');
return $node_stats;
}
sub internal_api_get_storage_stats {
my ($self, %options) = @_;
my (undef, $node, $storage) = split(/\//, $options{storage_id});
my $storage_stats = $self->request_api(method => 'GET', url_path => '/api2/json/nodes/' . $node . '/storage/' . $storage . '/status');
return $storage_stats;
}
sub internal_api_get_vm_node {
my ($self, %options) = @_;
my $list_vms = $self->internal_api_list_vms();
my $node = '';
foreach my $vm (@{$list_vms}) {
if ($vm->{id} eq $options{vm_id}) {
$node = $vm->{node};
last;
}
}
return $node;
}
sub api_get_vms {
my ($self, %options) = @_;
my $content_total = $self->cache_vms(statefile => $options{statefile});
if (defined($options{vm_id}) && $options{vm_id} ne '') {
if (defined($content_total->{$options{vm_id}})) {
$content_total->{$options{vm_id}}->{Stats} = $self->internal_api_get_vm_stats(node_id => $self->internal_api_get_vm_node(vm_id => $options{vm_id}), vm_id => $options{vm_id});
}
} elsif (defined($options{vm_name}) && $options{vm_name} ne '') {
my $vm_id;
foreach (keys %{$content_total}) {
if ($content_total->{$_}->{Name} eq $options{vm_name}) {
$vm_id = $_;
last;
}
}
if (defined($vm_id)) {
$content_total->{$vm_id}->{Stats} = $self->internal_api_get_vm_stats(node_id => $content_total->{$vm_id}->{Node}, vm_id => $vm_id);
}
} else {
foreach my $vm_id (keys %{$content_total}) {
$content_total->{$vm_id}->{Stats} = $self->internal_api_get_vm_stats(node_id => $content_total->{$vm_id}->{Node}, vm_id => $vm_id);
}
}
return $content_total;
}
sub api_get_nodes {
my ($self, %options) = @_;
my $content_total = $self->cache_nodes(statefile => $options{statefile});
if (defined($options{node_id}) && $options{node_id} ne '') {
if (defined($content_total->{$options{node_id}})) {
$content_total->{$options{node_id}}->{Stats} = $self->internal_api_get_node_stats(node_id => $options{node_id});
}
} elsif (defined($options{node_name}) && $options{node_name} ne '') {
my $node_id;
foreach (keys %{$content_total}) {
if ($content_total->{$_}->{Name} eq $options{node_name}) {
$node_id = $_;
last;
}
}
if (defined($node_id)) {
$content_total->{$node_id}->{Stats} = $self->internal_api_get_node_stats(node_id => $node_id);
}
} else {
foreach my $node_id (keys %{$content_total}) {
$content_total->{$node_id}->{Stats} = $self->internal_api_get_node_stats(node_id => $node_id);
}
}
return $content_total;
}
sub api_get_storages {
my ($self, %options) = @_;
my $content_total = $self->cache_storages(statefile => $options{statefile});
if (defined($options{storage_id}) && $options{storage_id} ne '') {
if (defined($content_total->{$options{storage_id}})) {
$content_total->{$options{storage_id}}->{Stats} = $self->internal_api_get_storage_stats(storage_id => $options{storage_id});
}
} elsif (defined($options{storage_name}) && $options{storage_name} ne '') {
my $storage_id;
foreach (keys %{$content_total}) {
if ($content_total->{$_}->{Name} eq $options{storage_name}) {
$storage_id = $_;
last;
}
}
if (defined($storage_id)) {
$content_total->{$storage_id}->{Stats} = $self->internal_api_get_storage_stats(storage_id => $storage_id);
}
} else {
foreach my $storage_id (keys %{$content_total}) {
$content_total->{$storage_id}->{Stats} = $self->internal_api_get_storage_stats(storage_id => $storage_id);
}
}
return $content_total;
}
1;
__END__
=head1 NAME
Proxmox VE Rest API
=head1 REST API OPTIONS
Proxmox Rest API
More Info about Proxmox VE API on https://pve.proxmox.com/wiki/Proxmox_VE_API
=over 8
=item B<--hostname>
Set hostname or IP of Proxmox VE Cluster node
=item B<--port>
Set Proxmox VE Port (Default: '8006')
=item B<--proto>
Specify https if needed (Default: 'https').
=item B<--api-username>
Set Proxmox VE Username
API user need to have this privileges
'VM.Monitor, VM.Audit, Datastore.Audit, Sys.Audit, Sys.Syslog'
=item B<--api-password>
Set Proxmox VE Password
=item B<--realm>
Set Proxmox VE Realm (pam, pve or custom) (Default: 'pam').
=item B<--timeout>
Threshold for HTTP timeout.
=back
=cut