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64 lines
2.3 KiB
64 lines
2.3 KiB
# Copyright (c) 2013 OpenStack Foundation
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# 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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from neutron_lib import constants as p_const
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from neutron_lib import exceptions as n_exc
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from oslo_config import cfg
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from oslo_log import log
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from neutron.conf.plugins.ml2.drivers import driver_type
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from neutron.db.models.plugins.ml2 import vxlanallocation as vxlan_alloc_model
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from neutron.objects.plugins.ml2 import vxlanallocation as vxlan_obj
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from neutron.plugins.ml2.drivers import type_tunnel
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LOG = log.getLogger(__name__)
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driver_type.register_ml2_drivers_vxlan_opts()
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class VxlanTypeDriver(type_tunnel.EndpointTunnelTypeDriver):
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def __init__(self):
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super(VxlanTypeDriver, self).__init__(
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vxlan_obj.VxlanAllocation, vxlan_obj.VxlanEndpoint)
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self.model_segmentation_id = (
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vxlan_alloc_model.VxlanAllocation.vxlan_vni)
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def get_type(self):
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return p_const.TYPE_VXLAN
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def initialize(self):
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try:
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self._initialize(cfg.CONF.ml2_type_vxlan.vni_ranges)
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except n_exc.NetworkTunnelRangeError:
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LOG.exception("Failed to parse vni_ranges. "
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"Service terminated!")
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raise SystemExit()
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def get_endpoints(self):
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"""Get every vxlan endpoints from database."""
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vxlan_endpoints = self._get_endpoints()
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return [{'ip_address': vxlan_endpoint.ip_address,
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'udp_port': vxlan_endpoint.udp_port,
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'host': vxlan_endpoint.host}
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for vxlan_endpoint in vxlan_endpoints]
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def add_endpoint(self, ip, host, udp_port=p_const.VXLAN_UDP_PORT):
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return self._add_endpoint(ip, host, udp_port=udp_port)
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def get_mtu(self, physical_network=None):
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mtu = super(VxlanTypeDriver, self).get_mtu()
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return mtu - p_const.VXLAN_ENCAP_OVERHEAD if mtu else 0
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