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POHow can I automatically reload tasks modules with Celery daemon?
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2013-06-04T23:44:32.753
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I am using Fabric to deploy a Celery broker (running RabbitMQ) and multiple Celery workers with <code>celeryd</code> daemonized through <code>supervisor</code>. I cannot for the life of me figure out how to reload the <code>tasks.py</code> module short of rebooting the servers. <hr> /etc/supervisor/conf.d/celeryd.conf <pre><code>[program:celeryd] directory=/fab-mrv/celeryd environment=[RABBITMQ crendentials here] command=xvfb-run celeryd --loglevel=INFO --autoreload autostart=true autorestart=true </code></pre> <hr> celeryconfig.py <pre><code>import os ## Broker settings BROKER_URL = "amqp://%s:%s@hostname" % (os.environ["RMQU"], os.environ["RMQP"]) # List of modules to import when celery starts. CELERY_IMPORTS = ("tasks", ) ## Using the database to store task state and results. CELERY_RESULT_BACKEND = "amqp" CELERYD_POOL_RESTARTS = True </code></pre> <hr> Additional information <ul> <li><code>celery --version</code> 3.0.19 (Chiastic Slide)</li> <li><code>python --version</code> 2.7.3</li> <li><code>lsb_release -a</code> Ubuntu 12.04.2 LTS</li> <li><code>rabbitmqctl status</code> ... 2.7.1 ...</li> </ul> <hr> Here are some things I have tried: <ul> <li>The <code>celeryd --autoreload</code> flag</li> <li><code>sudo supervisorctl restart celeryd</code></li> <li><code>celery.control.broadcast('pool_restart', arguments={'reload': True})</code></li> <li><code>ps auxww | grep celeryd | grep -v grep | awk '{print $2}' | xargs kill -HUP</code></li> </ul> And unfortunately, nothing causes the workers to reload the tasks.py module (e.g. after running <code>git pull</code> to update the file). The gist of the relevant fab functions is available <a href="https://gist.github.com/pztrick/5713866">here</a>. The brokers/workers run fine after a reboot.
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<python><celery>
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How can I automatically reload tasks modules with Celery daemon?
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