1 files changed, 0 insertions, 124 deletions
diff --git a/keystone-moon/keystone/common/cache/core.py b/keystone-moon/keystone/common/cache/core.py
deleted file mode 100644
index 6bb0af51..00000000
--- a/keystone-moon/keystone/common/cache/core.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# Copyright 2013 Metacloud
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-
-"""Keystone Caching Layer Implementation."""
-import dogpile.cache
-from dogpile.cache import api
-from oslo_cache import core as cache
-from oslo_config import cfg
-
-from keystone.common.cache import _context_cache
-
-
-CONF = cfg.CONF
-CACHE_REGION = cache.create_region()
-
-
-def configure_cache(region=None):
-    if region is None:
-        region = CACHE_REGION
-    # NOTE(morganfainberg): running cache.configure_cache_region()
-    # sets region.is_configured, this must be captured before
-    # cache.configure_cache_region is called.
-    configured = region.is_configured
-    cache.configure_cache_region(CONF, region)
-    # Only wrap the region if it was not configured. This should be pushed
-    # to oslo_cache lib somehow.
-    if not configured:
-        region.wrap(_context_cache._ResponseCacheProxy)
-
-
-def get_memoization_decorator(group, expiration_group=None, region=None):
-    if region is None:
-        region = CACHE_REGION
-    return cache.get_memoization_decorator(CONF, region, group,
-                                           expiration_group=expiration_group)
-
-
-# NOTE(stevemar): When memcache_pool, mongo and noop backends are removed
-# we no longer need to register the backends here.
-dogpile.cache.register_backend(
-    'keystone.common.cache.noop',
-    'keystone.common.cache.backends.noop',
-    'NoopCacheBackend')
-
-dogpile.cache.register_backend(
-    'keystone.cache.mongo',
-    'keystone.common.cache.backends.mongo',
-    'MongoCacheBackend')
-
-dogpile.cache.register_backend(
-    'keystone.cache.memcache_pool',
-    'keystone.common.cache.backends.memcache_pool',
-    'PooledMemcachedBackend')
-
-
-# TODO(morganfainberg): Move this logic up into oslo.cache directly
-# so we can handle region-wide invalidations or alternatively propose
-# a fix to dogpile.cache to make region-wide invalidates possible to
-# work across distributed processes.
-class _RegionInvalidator(object):
-
-    def __init__(self, region, region_name):
-        self.region = region
-        self.region_name = region_name
-        region_key = '_RegionExpiration.%(type)s.%(region_name)s'
-        self.soft_region_key = region_key % {'type': 'soft',
-                                             'region_name': self.region_name}
-        self.hard_region_key = region_key % {'type': 'hard',
-                                             'region_name': self.region_name}
-
-    @property
-    def hard_invalidated(self):
-        invalidated = self.region.backend.get(self.hard_region_key)
-        if invalidated is not api.NO_VALUE:
-            return invalidated.payload
-        return None
-
-    @hard_invalidated.setter
-    def hard_invalidated(self, value):
-        self.region.set(self.hard_region_key, value)
-
-    @hard_invalidated.deleter
-    def hard_invalidated(self):
-        self.region.delete(self.hard_region_key)
-
-    @property
-    def soft_invalidated(self):
-        invalidated = self.region.backend.get(self.soft_region_key)
-        if invalidated is not api.NO_VALUE:
-            return invalidated.payload
-        return None
-
-    @soft_invalidated.setter
-    def soft_invalidated(self, value):
-        self.region.set(self.soft_region_key, value)
-
-    @soft_invalidated.deleter
-    def soft_invalidated(self):
-        self.region.delete(self.soft_region_key)
-
-
-def apply_invalidation_patch(region, region_name):
-    """Patch the region interfaces to ensure we share the expiration time.
-
-    This method is used to patch region.invalidate, region._hard_invalidated,
-    and region._soft_invalidated.
-    """
-    # Patch the region object. This logic needs to be moved up into dogpile
-    # itself. Patching the internal interfaces, unfortunately, is the only
-    # way to handle this at the moment.
-    invalidator = _RegionInvalidator(region=region, region_name=region_name)
-    setattr(region, '_hard_invalidated', invalidator.hard_invalidated)
-    setattr(region, '_soft_invalidated', invalidator.soft_invalidated)