54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
#
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# Copyright 2022 Red Hat, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Simple wrapper for oslo_cache."""
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from oslo_cache import core as cache
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class CacheClient(object):
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def __init__(self, region):
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self.region = region
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def get(self, key):
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value = self.region.get(key)
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if value == cache.NO_VALUE:
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return None
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return value
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def set(self, key, value):
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return self.region.set(key, value)
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def delete(self, key):
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return self.region.delete(key)
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def get_client(conf, expiration_time=0):
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cache.configure(conf)
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if conf.cache.enabled:
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return CacheClient(_get_default_cache_region(
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conf,
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expiration_time=expiration_time
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))
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def _get_default_cache_region(conf, expiration_time):
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region = cache.create_region()
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if expiration_time != 0:
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conf.cache.expiration_time = expiration_time
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cache.configure_cache_region(conf, region)
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return region
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