34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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class Driver(object):
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"""Base class for all ServiceGroup drivers."""
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def join(self, member, group, service=None):
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"""Add a new member to a service group.
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:param member: the joined member ID/name
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:param group: the group ID/name, of the joined member
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:param service: a `nova.service.Service` object
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"""
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raise NotImplementedError()
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def is_up(self, member):
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"""Check whether the given member is up."""
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raise NotImplementedError()
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def updated_time(self, service_ref):
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"""Get the updated time"""
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raise NotImplementedError()
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