49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
# Copyright 2011 OpenStack Foundation.
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# All Rights Reserved.
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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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import abc
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import six
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class HealthcheckResult(object):
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"""Result of a ``healthcheck`` method call should be this object."""
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def __init__(self, available, reason, details=None):
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self.available = available
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self.reason = reason
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self.details = details
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@six.add_metaclass(abc.ABCMeta)
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class HealthcheckBaseExtension(object):
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def __init__(self, oslo_conf, conf):
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self.oslo_conf = oslo_conf
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self.conf = conf
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@abc.abstractmethod
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def healthcheck(self, server_port):
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"""method called by the healthcheck middleware
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return: HealthcheckResult object
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"""
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def _conf_get(self, key, group='healthcheck'):
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if key in self.conf:
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# Validate value type
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self.oslo_conf.set_override(key, self.conf[key], group=group)
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return getattr(getattr(self.oslo_conf, group), key)
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