972756f603
Now neutron_dynamic_routing supports 2 byte AS numbers only. This patch expands AS numbers constraint so that it supports 4 byte AS numbers. It expects that operators use asplain notation to set AS numbers[1]. That's backward compatible with existing 2 byte AS numbers. [1]: https://tools.ietf.org/html/rfc5396 Change-Id: I06ae0c42d983e88e1f38c501d5c85a7956f195ad Closes-Bug: #1573092
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
# 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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from neutron_lib.api import extensions as api_extensions
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from neutron_dynamic_routing.extensions import bgp as bgp_ext
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from neutron_dynamic_routing.services.bgp.common import constants as bgp_consts
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BGP_4BYTE_ASN_EXT_ALIAS = 'bgp_4byte_asn'
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RESOURCE_ATTRIBUTE_MAP = {
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'bgp-speakers': {
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'local_as': {'allow_post': True, 'allow_put': False,
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'validate': {'type:range': (bgp_consts.MIN_ASNUM,
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bgp_consts.MAX_4BYTE_ASNUM)},
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'is_visible': True, 'default': None,
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'required_by_policy': False,
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'enforce_policy': False}
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},
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'bgp-peers': {
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'remote_as': {'allow_post': True, 'allow_put': False,
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'validate': {'type:range': (bgp_consts.MIN_ASNUM,
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bgp_consts.MAX_4BYTE_ASNUM)},
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'is_visible': True, 'default': None,
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'required_by_policy': False,
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'enforce_policy': False}
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}
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}
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class Bgp_4byte_asn(api_extensions.ExtensionDescriptor):
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"""Extension class supporting bgp 4-byte AS numbers.
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"""
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@classmethod
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def get_name(cls):
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return "BGP 4-byte AS numbers"
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@classmethod
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def get_alias(cls):
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return BGP_4BYTE_ASN_EXT_ALIAS
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@classmethod
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def get_description(cls):
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return "Support bgp 4-byte AS numbers"
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@classmethod
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def get_updated(cls):
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return "2017-09-07T00:00:00-00:00"
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@classmethod
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def get_resources(cls):
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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 RESOURCE_ATTRIBUTE_MAP
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else:
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return {}
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def get_required_extensions(self):
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return [bgp_ext.BGP_EXT_ALIAS]
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