Source code for keystone.cmd.doctor.caching

# 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
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import keystone.conf


CONF = keystone.conf.CONF



[docs]def symptom_caching_disabled():
    """`keystone.conf [caching] enabled` is not enabled.

    Caching greatly improves the performance of keystone, and it is highly
    recommended that you enable it.
    """
    return not CONF.cache.enabled




[docs]def symptom_caching_enabled_without_a_backend():
    """Caching is not completely configured.

    Although caching is enabled in `keystone.conf [cache] enabled`, the default
    backend is still set to the no-op backend. Instead, configure keystone to
    point to a real caching backend like memcached.
    """
    return CONF.cache.enabled and CONF.cache.backend == 'dogpile.cache.null'