08a60f7483
With python 3.x, classes can use the metaclass= logic to not require usage of the six library. One step in removing all of six usage from neutron. Change-Id: I2f815e412d9a96eb5faf2b3bb3a1e393a9db9309
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
#
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# 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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import abc
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from neutron_lib.api.definitions import availability_zone as az_def
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from neutron_lib.api import extensions as api_extensions
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from neutron_lib.plugins import directory
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from neutron.api import extensions
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from neutron.api.v2 import base
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class Availability_zone(api_extensions.APIExtensionDescriptor):
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"""Availability zone extension."""
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api_definition = az_def
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@classmethod
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def get_resources(cls):
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"""Returns Ext Resources."""
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plugin = directory.get_plugin()
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params = az_def.RESOURCE_ATTRIBUTE_MAP.get(az_def.COLLECTION_NAME)
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controller = base.create_resource(az_def.COLLECTION_NAME,
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az_def.RESOURCE_NAME, plugin, params)
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ex = extensions.ResourceExtension(az_def.COLLECTION_NAME, controller)
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return [ex]
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class AvailabilityZonePluginBase(object, metaclass=abc.ABCMeta):
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"""REST API to operate the Availability Zone."""
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@abc.abstractmethod
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def get_availability_zones(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None,
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page_reverse=False):
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"""Return availability zones which a resource belongs to"""
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@abc.abstractmethod
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def validate_availability_zones(self, context, resource_type,
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availability_zones):
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"""Verify that the availability zones exist."""
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