01a938f7fe
Looks like this fixes all HACKING problems that were around. Thanks to Dina Belova and Alexander Kovalev for this work. Change-Id: I8157f0d4890184c1216aab63ef7180ee8b7a184d
90 lines
3.7 KiB
Python
90 lines
3.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2011 Citrix Systems, Inc.
|
|
# Copyright 2011 OpenStack LLC.
|
|
#
|
|
# 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.
|
|
|
|
"""VIF drivers for VMWare."""
|
|
|
|
from nova import exception
|
|
from nova import flags
|
|
from nova import log as logging
|
|
from nova.virt import vif
|
|
from nova.virt.vmwareapi import network_utils
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
FLAGS = flags.FLAGS
|
|
FLAGS.set_default('vmwareapi_vlan_interface', 'vmnic0')
|
|
|
|
|
|
class VMWareVlanBridgeDriver(vif.VIFDriver):
|
|
"""VIF Driver to setup bridge/VLAN networking using VMWare API."""
|
|
|
|
def plug(self, instance, network, mapping):
|
|
"""Plug the VIF to specified instance using information passed.
|
|
Currently we are plugging the VIF(s) during instance creation itself.
|
|
We can use this method when we add support to add additional NIC to
|
|
an existing instance."""
|
|
pass
|
|
|
|
def ensure_vlan_bridge(self, session, network):
|
|
"""Create a vlan and bridge unless they already exist."""
|
|
vlan_num = network['vlan']
|
|
bridge = network['bridge']
|
|
vlan_interface = FLAGS.vmwareapi_vlan_interface
|
|
|
|
# Check if the vlan_interface physical network adapter exists on the
|
|
# host.
|
|
if not network_utils.check_if_vlan_interface_exists(session,
|
|
vlan_interface):
|
|
raise exception.NetworkAdapterNotFound(adapter=vlan_interface)
|
|
|
|
# Get the vSwitch associated with the Physical Adapter
|
|
vswitch_associated = network_utils.get_vswitch_for_vlan_interface(
|
|
session, vlan_interface)
|
|
if vswitch_associated is None:
|
|
raise exception.SwitchNotFoundForNetworkAdapter(
|
|
adapter=vlan_interface)
|
|
# Check whether bridge already exists and retrieve the the ref of the
|
|
# network whose name_label is "bridge"
|
|
network_ref = network_utils.get_network_with_the_name(session, bridge)
|
|
if network_ref is None:
|
|
# Create a port group on the vSwitch associated with the
|
|
# vlan_interface corresponding physical network adapter on the ESX
|
|
# host.
|
|
network_utils.create_port_group(session, bridge,
|
|
vswitch_associated, vlan_num)
|
|
else:
|
|
# Get the vlan id and vswitch corresponding to the port group
|
|
_get_pg_info = network_utils.get_vlanid_and_vswitch_for_portgroup
|
|
pg_vlanid, pg_vswitch = _get_pg_info(session, bridge)
|
|
|
|
# Check if the vswitch associated is proper
|
|
if pg_vswitch != vswitch_associated:
|
|
raise exception.InvalidVLANPortGroup(
|
|
bridge=bridge, expected=vswitch_associated,
|
|
actual=pg_vswitch)
|
|
|
|
# Check if the vlan id is proper for the port group
|
|
if pg_vlanid != vlan_num:
|
|
raise exception.InvalidVLANTag(bridge=bridge, tag=vlan_num,
|
|
pgroup=pg_vlanid)
|
|
|
|
def unplug(self, instance, network, mapping):
|
|
"""Cleanup operations like deleting port group if no instance
|
|
is associated with it."""
|
|
pass
|