91 lines
2.5 KiB
Python
91 lines
2.5 KiB
Python
# Copyright (c) 2014 OpenStack Foundation. 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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from neutron_lib.api import converters
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from neutron_lib.api import extensions
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from neutron_lib import constants
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from neutron_lib import exceptions
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import six
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from neutron._i18n import _
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DISTRIBUTED = 'distributed'
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EXTENDED_ATTRIBUTES_2_0 = {
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'routers': {
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DISTRIBUTED: {'allow_post': True,
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'allow_put': True,
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'is_visible': True,
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'default': constants.ATTR_NOT_SPECIFIED,
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'convert_to': converters.convert_to_boolean_if_not_none,
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'enforce_policy': True},
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}
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}
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class DVRMacAddressNotFound(exceptions.NotFound):
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message = _("Distributed Virtual Router Mac Address for "
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"host %(host)s does not exist.")
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class MacAddressGenerationFailure(exceptions.ServiceUnavailable):
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message = _("Unable to generate unique DVR mac for host %(host)s.")
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class Dvr(extensions.ExtensionDescriptor):
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"""Extension class supporting distributed virtual router."""
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@classmethod
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def get_name(cls):
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return "Distributed Virtual Router"
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@classmethod
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def get_alias(cls):
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return constants.L3_DISTRIBUTED_EXT_ALIAS
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@classmethod
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def get_description(cls):
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return "Enables configuration of Distributed Virtual Routers."
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@classmethod
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def get_updated(cls):
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return "2014-06-1T10:00:00-00:00"
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def get_required_extensions(self):
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return ["router"]
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@classmethod
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def get_resources(cls):
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"""Returns Ext Resources."""
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return []
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def get_extended_resources(self, version):
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if version == "2.0":
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return EXTENDED_ATTRIBUTES_2_0
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else:
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return {}
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@six.add_metaclass(abc.ABCMeta)
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class DVRMacAddressPluginBase(object):
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@abc.abstractmethod
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def get_dvr_mac_address_list(self, context):
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pass
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@abc.abstractmethod
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def get_dvr_mac_address_by_host(self, context, host):
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pass
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