misc_pterodactyl-panel/app/Services/Servers/ServerCreationService.php

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<?php
namespace Pterodactyl\Services\Servers;
use Ramsey\Uuid\Uuid;
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use Illuminate\Support\Arr;
use Pterodactyl\Models\Egg;
use Pterodactyl\Models\User;
use Webmozart\Assert\Assert;
use Pterodactyl\Models\Server;
use Illuminate\Support\Collection;
use Pterodactyl\Models\Allocation;
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use Illuminate\Database\ConnectionInterface;
use Pterodactyl\Models\Objects\DeploymentObject;
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use Pterodactyl\Repositories\Eloquent\EggRepository;
use Pterodactyl\Repositories\Eloquent\ServerRepository;
use Pterodactyl\Repositories\Wings\DaemonServerRepository;
use Pterodactyl\Services\Deployment\FindViableNodesService;
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use Pterodactyl\Repositories\Eloquent\ServerVariableRepository;
use Pterodactyl\Services\Deployment\AllocationSelectionService;
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use Pterodactyl\Exceptions\Http\Connection\DaemonConnectionException;
class ServerCreationService
{
/**
* @var \Pterodactyl\Services\Deployment\AllocationSelectionService
*/
private $allocationSelectionService;
/**
* @var \Pterodactyl\Services\Servers\ServerConfigurationStructureService
*/
private $configurationStructureService;
/**
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* @var \Illuminate\Database\ConnectionInterface
*/
private $connection;
/**
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* @var \Pterodactyl\Services\Deployment\FindViableNodesService
*/
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private $findViableNodesService;
/**
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* @var \Pterodactyl\Services\Servers\VariableValidatorService
*/
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private $validatorService;
/**
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* @var \Pterodactyl\Repositories\Eloquent\EggRepository
*/
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private $eggRepository;
/**
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* @var \Pterodactyl\Repositories\Eloquent\ServerRepository
*/
private $repository;
/**
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* @var \Pterodactyl\Repositories\Eloquent\ServerVariableRepository
*/
private $serverVariableRepository;
/**
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* @var \Pterodactyl\Repositories\Wings\DaemonServerRepository
*/
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private $daemonServerRepository;
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/**
* @var \Pterodactyl\Services\Servers\ServerDeletionService
*/
private $serverDeletionService;
/**
* CreationService constructor.
*
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* @param \Pterodactyl\Services\Servers\ServerConfigurationStructureService $configurationStructureService
* @param \Pterodactyl\Services\Servers\ServerDeletionService $serverDeletionService
* @param \Pterodactyl\Services\Servers\VariableValidatorService $validatorService
*/
public function __construct(
AllocationSelectionService $allocationSelectionService,
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ConnectionInterface $connection,
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DaemonServerRepository $daemonServerRepository,
EggRepository $eggRepository,
FindViableNodesService $findViableNodesService,
ServerConfigurationStructureService $configurationStructureService,
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ServerDeletionService $serverDeletionService,
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ServerRepository $repository,
ServerVariableRepository $serverVariableRepository,
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VariableValidatorService $validatorService
) {
$this->allocationSelectionService = $allocationSelectionService;
$this->configurationStructureService = $configurationStructureService;
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$this->connection = $connection;
$this->findViableNodesService = $findViableNodesService;
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$this->validatorService = $validatorService;
$this->eggRepository = $eggRepository;
$this->repository = $repository;
$this->serverVariableRepository = $serverVariableRepository;
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$this->daemonServerRepository = $daemonServerRepository;
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$this->serverDeletionService = $serverDeletionService;
}
/**
* Create a server on the Panel and trigger a request to the Daemon to begin the server
* creation process. This function will attempt to set as many additional values
* as possible given the input data. For example, if an allocation_id is passed with
* no node_id the node_is will be picked from the allocation.
*
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* @throws \Throwable
* @throws \Pterodactyl\Exceptions\DisplayException
* @throws \Illuminate\Validation\ValidationException
* @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
* @throws \Pterodactyl\Exceptions\Service\Deployment\NoViableNodeException
* @throws \Pterodactyl\Exceptions\Service\Deployment\NoViableAllocationException
*/
public function handle(array $data, DeploymentObject $deployment = null): Server
{
// If a deployment object has been passed we need to get the allocation
// that the server should use, and assign the node from that allocation.
if ($deployment instanceof DeploymentObject) {
$allocation = $this->configureDeployment($data, $deployment);
$data['allocation_id'] = $allocation->id;
$data['node_id'] = $allocation->node_id;
}
// Auto-configure the node based on the selected allocation
// if no node was defined.
if (empty($data['node_id'])) {
Assert::false(empty($data['allocation_id']), 'Expected a non-empty allocation_id in server creation data.');
$data['node_id'] = Allocation::query()->findOrFail($data['allocation_id'])->node_id;
}
if (empty($data['nest_id'])) {
Assert::false(empty($data['egg_id']), 'Expected a non-empty egg_id in server creation data.');
$data['nest_id'] = Egg::query()->findOrFail($data['egg_id'])->nest_id;
}
$eggVariableData = $this->validatorService
->setUserLevel(User::USER_LEVEL_ADMIN)
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->handle(Arr::get($data, 'egg_id'), Arr::get($data, 'environment', []));
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// Due to the design of the Daemon, we need to persist this server to the disk
// before we can actually create it on the Daemon.
//
// If that connection fails out we will attempt to perform a cleanup by just
// deleting the server itself from the system.
/** @var \Pterodactyl\Models\Server $server */
$server = $this->connection->transaction(function () use ($data, $eggVariableData) {
// Create the server and assign any additional allocations to it.
$server = $this->createModel($data);
$this->storeAssignedAllocations($server, $data);
$this->storeEggVariables($server, $eggVariableData);
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return $server;
}, 5);
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try {
$this->daemonServerRepository->setServer($server)->create(
array_merge(
$this->configurationStructureService->handle($server),
[
'start_on_completion' => Arr::get($data, 'start_on_completion', false),
],
),
);
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} catch (DaemonConnectionException $exception) {
$this->serverDeletionService->withForce(true)->handle($server);
throw $exception;
}
return $server;
}
/**
* Gets an allocation to use for automatic deployment.
*
* @throws \Pterodactyl\Exceptions\DisplayException
* @throws \Pterodactyl\Exceptions\Service\Deployment\NoViableAllocationException
* @throws \Pterodactyl\Exceptions\Service\Deployment\NoViableNodeException
*/
private function configureDeployment(array $data, DeploymentObject $deployment): Allocation
{
/** @var \Illuminate\Support\Collection $nodes */
$nodes = $this->findViableNodesService->setLocations($deployment->getLocations())
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->setDisk(Arr::get($data, 'disk'))
->setMemory(Arr::get($data, 'memory'))
->handle();
return $this->allocationSelectionService->setDedicated($deployment->isDedicated())
->setNodes($nodes->pluck('id')->toArray())
->setPorts($deployment->getPorts())
->handle();
}
/**
* Store the server in the database and return the model.
*
* @throws \Pterodactyl\Exceptions\Model\DataValidationException
*/
private function createModel(array $data): Server
{
$uuid = $this->generateUniqueUuidCombo();
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/** @var \Pterodactyl\Models\Server $model */
$model = $this->repository->create([
'external_id' => Arr::get($data, 'external_id'),
'uuid' => $uuid,
'uuidShort' => substr($uuid, 0, 8),
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'node_id' => Arr::get($data, 'node_id'),
'name' => Arr::get($data, 'name'),
'description' => Arr::get($data, 'description') ?? '',
'status' => Server::STATUS_INSTALLING,
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'skip_scripts' => Arr::get($data, 'skip_scripts') ?? isset($data['skip_scripts']),
'owner_id' => Arr::get($data, 'owner_id'),
'memory' => Arr::get($data, 'memory'),
'swap' => Arr::get($data, 'swap'),
'disk' => Arr::get($data, 'disk'),
'io' => Arr::get($data, 'io'),
'cpu' => Arr::get($data, 'cpu'),
'threads' => Arr::get($data, 'threads'),
'oom_disabled' => Arr::get($data, 'oom_disabled') ?? true,
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'allocation_id' => Arr::get($data, 'allocation_id'),
'nest_id' => Arr::get($data, 'nest_id'),
'egg_id' => Arr::get($data, 'egg_id'),
'startup' => Arr::get($data, 'startup'),
'image' => Arr::get($data, 'image'),
'database_limit' => Arr::get($data, 'database_limit') ?? 0,
'allocation_limit' => Arr::get($data, 'allocation_limit') ?? 0,
'backup_limit' => Arr::get($data, 'backup_limit') ?? 0,
]);
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return $model;
}
/**
* Configure the allocations assigned to this server.
*/
private function storeAssignedAllocations(Server $server, array $data)
{
$records = [$data['allocation_id']];
if (isset($data['allocation_additional']) && is_array($data['allocation_additional'])) {
$records = array_merge($records, $data['allocation_additional']);
}
Allocation::query()->whereIn('id', $records)->update([
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'server_id' => $server->id,
]);
}
/**
* Process environment variables passed for this server and store them in the database.
*/
private function storeEggVariables(Server $server, Collection $variables)
{
$records = $variables->map(function ($result) use ($server) {
return [
'server_id' => $server->id,
'variable_id' => $result->id,
'variable_value' => $result->value ?? '',
];
})->toArray();
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if (!empty($records)) {
$this->serverVariableRepository->insert($records);
}
}
/**
* Create a unique UUID and UUID-Short combo for a server.
*/
private function generateUniqueUuidCombo(): string
{
$uuid = Uuid::uuid4()->toString();
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if (!$this->repository->isUniqueUuidCombo($uuid, substr($uuid, 0, 8))) {
return $this->generateUniqueUuidCombo();
}
return $uuid;
}
}