WorkflowBundle/Services/CommandConsumer.php

<?php

namespace WorkflowBundle\Services;

use OldSound\RabbitMqBundle\RabbitMq\ConsumerInterface;
use PhpAmqpLib\Message\AMQPMessage;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Process\Process;
use Symfony\Component\Process\Exception\ProcessFailedException;

class CommandConsumer implements ConsumerInterface
{

    /**
     * @var ContainerInterface
     */
    protected $serviceContainer;


    /**
     * @param ContainerInterface $serviceContainer
     */
    public function __construct(ContainerInterface $serviceContainer)
    {
        $this->serviceContainer = $serviceContainer;
    }

    /**
     * $msg will be an instance of `PhpAmqpLib\Message\AMQPMessage` 
     * with the $msg->body being the data sent over RabbitMQ.
     * 
     * @param AMQPMessage $msg
     */
    public function execute(AMQPMessage $msg)
    {
        $msgBody = unserialize($msg->body);
        if (isset($msgBody['name']) && isset($msgBody['args'])) {
            // command name and args
            $name = $msgBody['name'];
            $args = $msgBody['args'];

            $input = array();
            foreach ($args as $arg) {
                $arg = str_replace('\\', '\\\\', $arg);
                $pos = strpos($arg, ':');
                $pos2 = strpos($arg, '--');
                if ($pos2 === false) {
                    // command argument, no option
                    $input[] = substr($arg, $pos + 1);
                } else {
                    // reemplazo el primer : por = para las options
                    $input[] = preg_replace('/:/', '=', $arg, 1);
                }
            }
            
            $consolePath = $this->serviceContainer->get('kernel')->getRootDir() . '/../bin/console';
            $command = $name . ' ' . implode(' ', $input);
            
            try {
                $process = new Process("{$consolePath} {$command}");
                $process->setTimeout(10 * 60);
                $process->run();
                
                $content = $process->getOutput();
                echo $content;
            } catch (ProcessFailedException $e) {
                echo 'KILL COMMAND: ',  $e->getMessage(), "\n";
            } catch (\Exception $e) {
                echo 'KILL COMMAND: ',  $e->getMessage(), "\n";
            }
            
            return true;
        }

        return false;
    }

}