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# -*- coding: utf-8 -*-
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# Copyright (C) 2010-2017 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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import socket
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import logging
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import rhodecode
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from zope.cachedescriptors.property import Lazy as LazyProperty
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from rhodecode.lib.celerylib.loader import (
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celery_app, RequestContextTask, get_logger)
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async_task = celery_app.task
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log = logging.getLogger(__name__)
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class ResultWrapper(object):
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def __init__(self, task):
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self.task = task
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@LazyProperty
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def result(self):
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return self.task
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def run_task(task, *args, **kwargs):
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log.debug('Got task `%s` for execution', task)
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if rhodecode.CELERY_ENABLED:
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celery_is_up = False
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try:
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t = task.apply_async(args=args, kwargs=kwargs)
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celery_is_up = True
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log.debug('executing task %s:%s in async mode', t.task_id, task)
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return t
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except socket.error as e:
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if isinstance(e, IOError) and e.errno == 111:
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log.error('Unable to connect to celeryd `%s`. Sync execution', e)
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else:
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log.exception("Exception while connecting to celeryd.")
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except KeyError as e:
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log.error('Unable to connect to celeryd `%s`. Sync execution', e)
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except Exception as e:
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log.exception(
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"Exception while trying to run task asynchronous. "
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"Fallback to sync execution.")
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# keep in mind there maybe a subtle race condition where something
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# depending on rhodecode.CELERY_ENABLED
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# will see CELERY_ENABLED as True before this has a chance to set False
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rhodecode.CELERY_ENABLED = celery_is_up
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else:
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log.debug('executing task %s:%s in sync mode', 'TASK', task)
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return ResultWrapper(task(*args, **kwargs))
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