How can an extension schedule a cron job with a crontab.xml file?

dmitry_fedyuk · January 28, 2016, 8:28am

Examples from the core:

1. A cron job for cleaning old cache resources

magento/magento2/blob/720667e/app/code/Magento/Backend/etc/crontab.xml#L10-L12


<job name="backend_clean_cache" instance="Magento\Backend\Cron\CleanCache" method="execute">
    <schedule>30 2 * * *</schedule>
</job>

github.com

magento/magento2/blob/720667e/app/code/Magento/Backend/Cron/CleanCache.php#L27-L32


/**
 * Cron job method to clean old cache resources
 *
 * @return void
 */
public function execute()

2. A cron job for deleting unnecessary logged attempts

github.com

magento/magento2/blob/720667e/app/code/Magento/Captcha/etc/crontab.xml#L10-L12


<job name="captcha_delete_old_attempts" instance="Magento\Captcha\Cron\DeleteOldAttempts" method="execute">
    <schedule>*/30 * * * *</schedule>
</job>

github.com

magento/magento2/blob/720667e/app/code/Magento/Captcha/Cron/DeleteOldAttempts.php#L27-L32


/**
 * Delete Unnecessary logged attempts
 *
 * @return \Magento\Captcha\Cron\DeleteOldAttempts
 */
public function execute()

3. A cron job for deleting expired captcha images

github.com

magento/magento2/blob/720667e/app/code/Magento/Captcha/etc/crontab.xml#L13-L15


<job name="captcha_delete_expired_images" instance="Magento\Captcha\Cron\DeleteExpiredImages" method="execute">
    <schedule>*/10 * * * *</schedule>
</job>

github.com

magento/magento2/blob/720667e/app/code/Magento/Captcha/Cron/DeleteExpiredImages.php#L55-L60


/**
 * Delete Expired Captcha Images
 *
 * @return \Magento\Captcha\Cron\DeleteExpiredImages
 */
public function execute()

4. A cron job for adding products to changes list with price which depends on date

github.com

magento/magento2/blob/720667e/app/code/Magento/Catalog/etc/crontab.xml#L10-L12


<job name="catalog_index_refresh_price" instance="Magento\Catalog\Cron\RefreshSpecialPrices" method="execute">
    <schedule>0 * * * *</schedule>
</job>

github.com

magento/magento2/blob/720667e/app/code/Magento/Catalog/Cron/RefreshSpecialPrices.php#L84-L89


/**
 * Add products to changes list with price which depends on date
 *
 * @return void
 */
public function execute()

5. A cron job for deleting all product flat tables for not existing stores

github.com

magento/magento2/blob/720667e/app/code/Magento/Catalog/etc/crontab.xml#L13-L15


<job name="catalog_product_flat_indexer_store_cleanup" instance="Magento\Catalog\Cron\DeleteAbandonedStoreFlatTables" method="execute">
    <schedule>0 0 * * *</schedule>
</job>

github.com

magento/magento2/blob/720667e/app/code/Magento/Catalog/Cron/DeleteAbandonedStoreFlatTables.php#L24-L29


/**
 * Delete all product flat tables for not existing stores
 *
 * @return void
 */
public function execute()

dmitry_fedyuk · March 17, 2016, 5:51am