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# Copyright 2013 Cloudbase Solutions Srl
# Copyright 2013 Pedro Navarro Perez
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os_vif
from os_win import utilsfactory
import nova.conf
from nova import exception
from nova.i18n import _
from nova.network import model
from nova.network import os_vif_util
CONF = nova.conf.CONF
class HyperVVIFDriver(object):
def __init__(self):
self._netutils = utilsfactory.get_networkutils()
def plug(self, instance, vif):
vif_type = vif['type']
if vif_type == model.VIF_TYPE_HYPERV:
# neutron takes care of plugging the port
pass
elif vif_type == model.VIF_TYPE_OVS:
vif = os_vif_util.nova_to_osvif_vif(vif)
instance = os_vif_util.nova_to_osvif_instance(instance)
# NOTE(claudiub): the vNIC has to be connected to a vSwitch
# before the ovs port is created.
self._netutils.connect_vnic_to_vswitch(CONF.hyperv.vswitch_name,
vif.id)
os_vif.plug(vif, instance)
else:
reason = _("Failed to plug virtual interface: "
"unexpected vif_type=%s") % vif_type
raise exception.VirtualInterfacePlugException(reason)
def unplug(self, instance, vif):
vif_type = vif['type']
if vif_type == model.VIF_TYPE_HYPERV:
# neutron takes care of unplugging the port
pass
elif vif_type == model.VIF_TYPE_OVS:
vif = os_vif_util.nova_to_osvif_vif(vif)
instance = os_vif_util.nova_to_osvif_instance(instance)
os_vif.unplug(vif, instance)
else:
reason = _("unexpected vif_type=%s") % vif_type
raise exception.VirtualInterfaceUnplugException(reason=reason)
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