nova/nova/virt/hyperv/vif.py

83 lines
2.4 KiB
Python

# 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 abc
from oslo.config import cfg
from nova.openstack.common import log as logging
from nova.virt.hyperv import utilsfactory
hyperv_opts = [
cfg.StrOpt('vswitch_name',
help='External virtual switch Name, '
'if not provided, the first external virtual '
'switch is used'),
]
CONF = cfg.CONF
CONF.register_opts(hyperv_opts, 'hyperv')
LOG = logging.getLogger(__name__)
class HyperVBaseVIFDriver(object):
@abc.abstractmethod
def plug(self, instance, vif):
pass
@abc.abstractmethod
def unplug(self, instance, vif):
pass
class HyperVNeutronVIFDriver(HyperVBaseVIFDriver):
"""Neutron VIF driver."""
def plug(self, instance, vif):
# Neutron takes care of plugging the port
pass
def unplug(self, instance, vif):
# Neutron takes care of unplugging the port
pass
class HyperVNovaNetworkVIFDriver(HyperVBaseVIFDriver):
"""Nova network VIF driver."""
def __init__(self):
self._vmutils = utilsfactory.get_vmutils()
self._netutils = utilsfactory.get_networkutils()
def plug(self, instance, vif):
vswitch_path = self._netutils.get_external_vswitch(
CONF.hyperv.vswitch_name)
vm_name = instance['name']
LOG.debug('Creating vswitch port for instance: %s', vm_name)
if self._netutils.vswitch_port_needed():
vswitch_data = self._netutils.create_vswitch_port(vswitch_path,
vm_name)
else:
vswitch_data = vswitch_path
self._vmutils.set_nic_connection(vm_name, vif['id'], vswitch_data)
def unplug(self, instance, vif):
# TODO(alepilotti) Not implemented
pass