Files
compute-hyperv/hyperv/nova/vif.py
Claudiu Belu cb34a86abf Fixes minor issues
Fix some word spellings in messages.
Do not log twice with different level.
config options: use nova.conf.
Remove unused CONF imports.
Remove unused logging import and LOG global var.
Add transitional support for migrate data objects.

Change-Id: I34006a82c134398f17512de7e7b6c52980460521
2016-02-28 22:45:54 +00:00

118 lines
3.4 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 nova.i18n import _
from nova.network import model as network_model
from os_win import utilsfactory
from oslo_config import cfg
from hyperv.nova import ovsutils
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')
CONF.import_opt('network_api_class', 'nova.network')
class HyperVBaseVIFDriver(object):
@abc.abstractmethod
def plug(self, instance, vif):
pass
@abc.abstractmethod
def post_start(self, instance, vif):
pass
@abc.abstractmethod
def unplug(self, instance, vif):
pass
class HyperVNeutronVIFDriver(HyperVBaseVIFDriver):
"""Neutron VIF driver."""
pass
class HyperVNovaNetworkVIFDriver(HyperVBaseVIFDriver):
"""Nova network VIF driver."""
def __init__(self):
self._netutils = utilsfactory.get_networkutils()
def plug(self, instance, vif):
self._netutils.connect_vnic_to_vswitch(CONF.hyperv.vswitch_name,
vif['id'])
class HyperVOVSVIFDriver(HyperVNovaNetworkVIFDriver):
def _get_bridge_name(self, vif):
return vif['network']['bridge']
def _get_ovs_interfaceid(self, vif):
return vif.get('ovs_interfaceid') or vif['id']
def post_start(self, instance, vif):
nic_name = vif['id']
bridge = self._get_bridge_name(vif)
if ovsutils.check_bridge_has_dev(bridge, nic_name,
run_as_root=False):
return
ovsutils.create_ovs_vif_port(
self._get_bridge_name(vif),
nic_name,
self._get_ovs_interfaceid(vif),
vif['address'],
instance.uuid)
def unplug(self, instance, vif):
ovsutils.delete_ovs_vif_port(
self._get_bridge_name(vif),
vif['id'])
_vif_driver_class_map = {
'nova.network.neutronv2.api.API': HyperVNeutronVIFDriver,
'nova.network.api.API': HyperVNovaNetworkVIFDriver,
}
_ovs_vif_driver = HyperVOVSVIFDriver
def get_vif_driver(vif_type):
# results should be cached. Creating a global driver map
# with instantiated classes will cause tests to fail on
# non windows platforms
if vif_type == network_model.VIF_TYPE_OVS:
return _ovs_vif_driver()
try:
return _vif_driver_class_map[CONF.network_api_class]()
except KeyError:
raise TypeError(_("VIF driver not found for "
"network_api_class: %(api_class)s, %(vif_type)s") %
{"api_class": CONF.network_api_class,
"vif_type": vif_type})