keystone.common.cache.core module
Keystone Caching Layer Implementation.
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class keystone.common.cache.core.DistributedInvalidationStrategy(region_manager)[source]
Bases: dogpile.cache.region.RegionInvalidationStrategy
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invalidate(hard=None)[source]
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is_hard_invalidated(timestamp)[source]
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is_invalidated(timestamp)[source]
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is_soft_invalidated(timestamp)[source]
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was_hard_invalidated()[source]
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was_soft_invalidated()[source]
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class keystone.common.cache.core.RegionInvalidationManager(invalidation_region, region_name)[source]
Bases: object
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REGION_KEY_PREFIX = '<<<region>>>:'
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invalidate_region()[source]
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is_region_key(key)[source]
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region_id[source]
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keystone.common.cache.core.configure_cache(region=None)[source]
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keystone.common.cache.core.configure_invalidation_region()[source]
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keystone.common.cache.core.create_region(name)[source]
Create a dopile region.
Wraps oslo_cache.core.create_region. This is used to ensure that the
Region is properly patched and allows us to more easily specify a region
name.
| Parameters: | name (str) – The region name |
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| Returns: | The new region. |
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| Return type: | dogpile.cache.region.CacheRegion |
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keystone.common.cache.core.get_memoization_decorator(group, expiration_group=None, region=None)[source]
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keystone.common.cache.core.key_mangler_factory(invalidation_manager, orig_key_mangler)[source]