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Cron

Time-Based Command Execution

There are tasks that should be executed at fixed times (for example, sending mailings to customers or generating reports). Usually, these tasks are not performed by visiting a particular URL using a browser. Instead, the operating system should be configured to execute a script to perform the desired tasks.

With OroPlatform, you can use the OroCronBundle which makes it easy to run Symfony Console commands through cronjobs (on UNIX-based operating systems) or through the Windows task scheduler.

Configuring the Entry Point Command

To regularly run a set of commands from your application, configure your system to run the oro:cron command every minute. On UNIX-based systems, you can simply set up a crontab entry for this:

*/1 * * * * /path/to/php /path/to/app/console oro:cron --env=prod > /dev/null

Note: Some OS flavors will require the user name (usually root) in the crontab entry, like this:

*/1 * * * * root /path/to/php /path/to/app/console oro:cron --env=prod > /dev/null

On Windows, use the Control Panel to configure the Task Scheduler to do the same.

Note

This entry in the crontab does not presuppose execution of cron commands every minute. The oro:cron command only ensures that the actual commands are added to the scheduler which makes sure that they are only executed at the desired times (see How Does it Work for the insight into the actual process).

Note

Please notice that oro:cron:definitions:load removes all previously loaded commands from the db. So if there’re another commands that add cron commands to the db (such as oro:workflow:definition:load) they should be run after oro:cron:definitions:load.

Creating the Command

The oro:cron command will automatically execute all commands previously loaded with the oro:cron:definitions:load command. It loads commands that implement the CronCommandInterface if they are registered in the oro:cron namespace. Implementing CronCommandInterface requires implementation of two methods. First, it is getDefaultDefinition(). It returns the crontab compatible description of when the command should be executed. For example, if a command should be run every day five minutes after midnight, the appropriate value is 5 0 * * *. Your command will then look the following way: isCronEnabled(). It checks some pre-conditions and returns true or false. If it returns false, the command will not be added to the Message Queue. For example, for the integrations sync command it can check that there are more than 0 active integrations.

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    // src/Acme/DemoBundle/Command/DemoCommand.php
    namespace Acme\DemoBundle\Command;

    use Oro\Bundle\CronBundle\Command\CronCommandInterface;
    use Symfony\Component\Console\Input\InputInterface;
    use Symfony\Component\Console\Output\OutputInterface;

    class DemoCommand implements CronCommandInterface
    {
        public function getDefaultDefinition()
        {
            return '5 0 * * *';
        }

        public function isCronEnabled()
        {
            // check some pre-conditions

            return $condition ? true : false;
        }

        protected function configure()
        {
            $this->setName('oro:cron:demo');

            // ...
        }

        protected function execute(InputInterface $input, OutputInterface $output)
        {
            // ...
        }
    }
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