73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
"""passbook core celery"""
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import logging
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import os
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import celery
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from django.conf import settings
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from raven import Client
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from raven.contrib.celery import register_logger_signal, register_signal
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# set the default Django settings module for the 'celery' program.
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "passbook.core.settings")
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LOGGER = logging.getLogger(__name__)
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class Celery(celery.Celery):
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"""Custom Celery class with Raven configured"""
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# pylint: disable=method-hidden
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def on_configure(self):
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"""Update raven client"""
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try:
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client = Client(settings.RAVEN_CONFIG.get('dsn'))
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# register a custom filter to filter out duplicate logs
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register_logger_signal(client)
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# hook into the Celery error handler
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register_signal(client)
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except RecursionError: # This error happens when pdoc is running
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pass
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# pylint: disable=unused-argument
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@celery.signals.setup_logging.connect
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def config_loggers(*args, **kwags):
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"""Apply logging settings from settings.py to celery"""
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logging.config.dictConfig(settings.LOGGING)
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# pylint: disable=unused-argument
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@celery.signals.after_task_publish.connect
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def after_task_publish(sender=None, headers=None, body=None, **kwargs):
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"""Log task_id after it was published"""
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info = headers if 'task' in headers else body
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LOGGER.debug('%-40s published (name=%s)', info.get('id'), info.get('task'))
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# pylint: disable=unused-argument
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@celery.signals.task_prerun.connect
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def task_prerun(task_id, task, *args, **kwargs):
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"""Log task_id on worker"""
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LOGGER.debug('%-40s started (name=%s)', task_id, task.__name__)
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# pylint: disable=unused-argument
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@celery.signals.task_postrun.connect
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def task_postrun(task_id, task, *args, retval=None, state=None, **kwargs):
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"""Log task_id on worker"""
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LOGGER.debug('%-40s finished (name=%s, state=%s)',
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task_id, task.__name__, state)
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CELERY_APP = Celery('passbook')
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# Using a string here means the worker doesn't have to serialize
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# the configuration object to child processes.
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# - namespace='CELERY' means all celery-related configuration keys
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# should have a `CELERY_` prefix.
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CELERY_APP.config_from_object(settings, namespace='CELERY')
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# Load task modules from all registered Django app configs.
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CELERY_APP.autodiscover_tasks()
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