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# Copyright (C) 2015-2020 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 logging
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from dogpile.cache import register_backend
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module_name = 'rhodecode'
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register_backend(
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"dogpile.cache.rc.memory_lru", f"{module_name}.lib.rc_cache.backends",
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"LRUMemoryBackend")
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register_backend(
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"dogpile.cache.rc.file_namespace", f"{module_name}.lib.rc_cache.backends",
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"FileNamespaceBackend")
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register_backend(
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"dogpile.cache.rc.redis", f"{module_name}.lib.rc_cache.backends",
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"RedisPickleBackend")
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register_backend(
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"dogpile.cache.rc.redis_msgpack", f"{module_name}.lib.rc_cache.backends",
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"RedisMsgPackBackend")
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log = logging.getLogger(__name__)
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from . import region_meta
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from .utils import (
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get_default_cache_settings, backend_key_generator, get_or_create_region,
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clear_cache_namespace, make_region, InvalidationContext,
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FreshRegionCache, ActiveRegionCache
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)
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FILE_TREE_CACHE_VER = 'v4'
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LICENSE_CACHE_VER = 'v2'
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def configure_dogpile_cache(settings):
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cache_dir = settings.get('cache_dir')
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if cache_dir:
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region_meta.dogpile_config_defaults['cache_dir'] = cache_dir
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rc_cache_data = get_default_cache_settings(settings, prefixes=['rc_cache.'])
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# inspect available namespaces
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avail_regions = set()
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for key in rc_cache_data.keys():
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namespace_name = key.split('.', 1)[0]
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if namespace_name in avail_regions:
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continue
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avail_regions.add(namespace_name)
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log.debug('dogpile: found following cache regions: %s', namespace_name)
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new_region = make_region(
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name=namespace_name,
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function_key_generator=None
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)
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new_region.configure_from_config(settings, 'rc_cache.{}.'.format(namespace_name))
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new_region.function_key_generator = backend_key_generator(new_region.actual_backend)
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if log.isEnabledFor(logging.DEBUG):
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region_args = dict(backend=new_region.actual_backend.__class__,
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region_invalidator=new_region.region_invalidator.__class__)
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log.debug('dogpile: registering a new region `%s` %s', namespace_name, region_args)
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region_meta.dogpile_cache_regions[namespace_name] = new_region
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def includeme(config):
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configure_dogpile_cache(config.registry.settings)
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