110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
# Copyright 2017 VMware, Inc. 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 re
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from neutron_lib.api import extensions
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from neutron_lib.api import validators
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from neutron_lib import exceptions as nexception
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from vmware_nsx._i18n import _
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EDGE_SERVICE_GW = 'esg_id'
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EDGE_ID_MAX_LEN = 15
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ESG_BGP_PEER_EXT_ALIAS = 'edge-service-gateway-bgp-peer'
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def _validate_edge_service_gw_id(esg_id, valid_values=None):
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if esg_id is None:
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return
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msg = validators.validate_string(esg_id, max_len=EDGE_ID_MAX_LEN)
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if msg:
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return msg
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if re.match(r'^edge-[1-9]+[0-9]*$', esg_id) is None:
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msg = _("'%s' is not a valid edge service gateway id.") % esg_id
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return msg
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validators.add_validator('validate_edge_service_gw_id',
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_validate_edge_service_gw_id)
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RESOURCE_ATTRIBUTE_MAP = {
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'bgp-peers': {
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EDGE_SERVICE_GW: {
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'allow_post': True,
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'allow_put': False,
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'default': None,
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'validate': {'type:validate_edge_service_gw_id': None},
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'enforce_policy': True,
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'is_visible': True,
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'required_by_policy': False
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}
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}
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}
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class BgpDisabledOnEsgPeer(nexception.InvalidInput):
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message = _("To add this peer to BGP speaker you must first enable BGP on "
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"the associated ESG - '%(esg_id)s'.")
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class EsgRemoteASDoNotMatch(nexception.InvalidInput):
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message = _("Specified remote AS is '%(remote_as)s', but ESG '%(esg_id)s' "
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"is configured on AS %(esg_as)s.")
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class ExternalSubnetHasGW(nexception.InvalidInput):
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message = _("Subnet '%(subnet_id)s' on external network '%(network_id)s' "
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"is configured with gateway IP, set to None before enabling "
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"BGP on the network.")
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class EsgInternalIfaceDoesNotMatch(nexception.InvalidInput):
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message = _("Given BGP peer IP address doesn't match "
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"any interface on ESG '%(esg_id)s'")
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class Edge_service_gateway_bgp_peer(extensions.ExtensionDescriptor):
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"""Extension class to allow identifying of-peer with specificN SXv edge
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service gateway.
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"""
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@classmethod
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def get_name(cls):
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return "Edge service gateway bgp peer"
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@classmethod
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def get_alias(cls):
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return ESG_BGP_PEER_EXT_ALIAS
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@classmethod
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def get_description(cls):
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return ("Adding a new (optional) attribute 'esg_id' to bgp-peer "
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"resource, where esg_id is a valid NSXv Edge service gateway "
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"id.")
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@classmethod
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def get_updated(cls):
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return "2017-04-01T10:00:00-00:00"
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def get_required_extensions(self):
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return ["bgp"]
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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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