A Buildout recipe to install and configure Celery for Birdhouse.
The recipe is based on collective.recipe.celery.
The recipe requires that Anaconda is already installed. It assumes that the default Anaconda location is in your home directory ~/anaconda. Otherwise you need to set the ANACONDA_HOME environment variable or the Buildout option anaconda-home.
It installs the celery package from a conda channel in a conda enviroment named birdhouse. The location of the birdhouse environment is .conda/envs/birdhouse. It deploys a Supervisor configuration for Celery in ~/.conda/envs/birdhouse/etc/supervisor/conf.d/celery.conf. Supervisor can be started with ~/.conda/envs/birdhouse/etc/init.d/supervisord start.
The recipe depends on birdhousebuilder.recipe.conda and birdhousebuilder.recipe.supervisor.
This recipe supports the following options:
Buildout option with the root folder of the Anaconda installation. Default: $HOME/anaconda. The default location can also be set with the environment variable ANACONDA_HOME. Example:
Search priority is:
- anaconda-home in buildout.cfg
- The application instance to use for the celery worker.
- A list of additional eggs you want to make available to Celery. Use this to add additional dependencies and the module(s) containing your task definitions.
- Generate and use the celeryconfig.py. Set to false if Celery is configured e.a. by pyramid_celery. Default: true.
- If true then Flower is started to monitor Celery. Default: false.
The following configuration options are supported. See Celery documentation for more details.
- The url of the broker. Default: redis://localhost:6379/0
- The url of the backend used to store task results. Default: redis://localhost:6379/0
- List of modules to import when celery starts.
- The number of concurrent worker processes/threads/green threads executing tasks. Defaults to the number of available CPUs.
- Logging level, choose between DEBUG, INFO, WARNING, ERROR, CRITICAL, or FATAL. Default: WARNING
The following example buildout.cfg installs Celery with Anaconda and default options:
[buildout] parts = celery anaconda-home = /home/myself/anaconda [celery] recipe = birdhousebuilder.recipe.celery app = mystuff_app eggs = mysuff
The next example shows a configuration with pyramid_celery and enabled Flower monitoring:
[buildout] parts = celery anaconda-home = /home/myself/anaconda [celery] recipe = birdhousebuilder.recipe.celery app = pyramid_celery.celery_app --ini default.ini eggs = mysuff use-celeryconfig = false use-monitor = true
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