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fix(configs): fixed some config bad default setting
fix(configs): fixed some config bad default setting

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r5433:d96689c8 default
r5574:8d68fdfd default
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lock.py
62 lines | 2.0 KiB | text/x-python | PythonLexer
feat(archive-cache): implemented s3 based backend for filecaches
r5433 # Copyright (C) 2015-2024 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import redis
from .._vendor import redis_lock
class ArchiveCacheGenerationLock(Exception):
pass
class GenerationLock:
"""
Locking mechanism that detects if a lock is acquired
with GenerationLock(lock_key):
compute_archive()
"""
lock_timeout = 7200
def __init__(self, lock_key, url):
self.lock_key = lock_key
self._create_client(url)
self.lock = self.get_lock()
def _create_client(self, url):
connection_pool = redis.ConnectionPool.from_url(url)
self.writer_client = redis.StrictRedis(
connection_pool=connection_pool
)
self.reader_client = self.writer_client
def get_lock(self):
return redis_lock.Lock(
redis_client=self.writer_client,
name=self.lock_key,
expire=self.lock_timeout,
strict=True
)
def __enter__(self):
acquired = self.lock.acquire(blocking=False)
if not acquired:
raise ArchiveCacheGenerationLock('Failed to create a lock')
def __exit__(self, exc_type, exc_val, exc_tb):
self.lock.release()