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<?php
namespace Icinga\Module\Director\Data;
use gipfl\Json\JsonDecodeException;
use gipfl\Json\JsonString;
use Icinga\Module\Director\Data\Db\DbObject;
use Icinga\Module\Director\Db;
use Icinga\Module\Director\DirectorObject\Automation\Basket;
use Icinga\Module\Director\Objects\DirectorJob;
use Icinga\Module\Director\Objects\IcingaHost;
use Icinga\Module\Director\Objects\IcingaService;
use Icinga\Module\Director\Objects\IcingaServiceSet;
use Icinga\Module\Director\Objects\ImportSource;
use Icinga\Module\Director\Objects\SyncRule;
use InvalidArgumentException;
use Ramsey\Uuid\Uuid;
use stdClass;
class ObjectImporter
{
protected static $templatesOnly = [
IcingaHost::class,
IcingaService::class,
IcingaServiceSet::class,
];
/** @var Db */
protected $db;
public function __construct(Db $db)
{
$this->db = $db;
}
/**
* @param class-string|DbObject $implementation
* @param stdClass $plain
* @return DbObject
* @throws JsonDecodeException
*/
public function import(string $implementation, stdClass $plain): DbObject
{
$this->assertTemplate($implementation, $plain);
$this->fixRelations($implementation, $plain);
$this->applyOtherWorkarounds($implementation, $plain);
$this->fixLegacyBaskets($implementation, $plain);
$this->fixSubObjects($implementation, $plain);
$object = $this->loadExistingObject($implementation, $plain);
if ($object === null) {
$object = $implementation::create([], $this->db);
}
$properties = (array) $plain;
unset($properties['fields']);
unset($properties['originalId']);
if ($implementation === Basket::class) {
if (isset($properties['objects']) && is_string($properties['objects'])) {
$properties['objects'] = JsonString::decode($properties['objects']);
}
}
$object->setProperties($properties);
return $object;
}
protected function fixLegacyBaskets(string $implementation, stdClass $plain)
{
// TODO: Check, whether current export sets modifiers = [] in case there is none
if ($implementation == ImportSource::class) {
if (!isset($plain->modifiers)) {
$plain->modifiers = [];
}
}
}
protected function applyOtherWorkarounds(string $implementation, stdClass $plain)
{
if ($implementation === SyncRule::class) {
if (isset($plain->properties)) {
$plain->syncProperties = $plain->properties;
unset($plain->properties);
}
}
}
protected function fixSubObjects(string $implementation, stdClass $plain)
{
if ($implementation === IcingaServiceSet::class) {
foreach ($plain->services as $service) {
unset($service->fields);
}
// Hint: legacy baskets are carrying service names as object keys, new baskets have arrays
$plain->services = array_values((array) $plain->services);
}
}
protected function fixRelations(string $implementation, stdClass $plain)
{
if ($implementation === DirectorJob::class) {
$settings = $plain->settings;
$source = $settings->source ?? null;
if ($source && !isset($settings->source_id)) {
$settings->source_id = ImportSource::load($source, $this->db)->get('id');
unset($settings->source);
}
$rule = $settings->rule ?? null;
if ($rule && !isset($settings->rule_id)) {
$settings->rule_id = SyncRule::load($rule, $this->db)->get('id');
unset($settings->rule);
}
}
}
/**
* @param class-string<DbObject> $implementation
* @param stdClass $plain
* @return DbObject|null
*/
protected function loadExistingObject(string $implementation, stdClass $plain): ?DbObject
{
if (isset($plain->uuid)
&& $instance = $implementation::loadWithUniqueId(Uuid::fromString($plain->uuid), $this->db)
) {
return $instance;
}
if ($implementation === IcingaService::class) {
$key = [
'object_type' => 'template',
'object_name' => $plain->object_name
];
} else {
$dummy = $implementation::create();
$keyColumn = $dummy->getKeyName();
if (is_array($keyColumn)) {
if (empty($keyColumn)) {
throw new \RuntimeException("$implementation has an empty keyColumn array");
}
$key = [];
foreach ($keyColumn as $column) {
if (isset($plain->$column)) {
$key[$column] = $plain->$column;
}
}
} else {
$key = $plain->$keyColumn;
}
}
return $implementation::loadOptional($key, $this->db);
}
protected function assertTemplate(string $implementation, stdClass $plain)
{
if (! in_array($implementation, self::$templatesOnly)) {
return;
}
if ($plain->object_type !== 'template') {
throw new InvalidArgumentException(sprintf(
'Can import only Templates, got "%s" for "%s"',
$plain->object_type,
$plain->name
));
}
}
}
|
