A set of Neutron drivers for the VMware NSX.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

73 lines
2.8 KiB

# Copyright 2012 OpenStack Foundation
# 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.
from oslo_config import cfg
from oslo_log import log as logging
from neutron.agent.common import ovs_lib
from neutron.agent.linux import dhcp
LOG = logging.getLogger(__name__)
OPTS = [
cfg.StrOpt('dvs_integration_bridge',
default='br-dvs',
help=_('Name of Open vSwitch bridge to use for DVS networks')),
cfg.StrOpt('dhcp_override_mac',
help=_('Override the MAC address of the DHCP interface')),
]
cfg.CONF.register_opts(OPTS)
class DeviceManager(dhcp.DeviceManager):
def plug(self, network, port, interface_name):
mac_address = (cfg.CONF.dhcp_override_mac
if cfg.CONF.dhcp_override_mac
else port.mac_address)
self.driver.plug(network.id,
port.id,
interface_name,
mac_address,
namespace=network.namespace,
mtu=network.get('mtu'),
bridge=cfg.CONF.dvs_integration_bridge)
vlan_tag = getattr(network, 'provider:segmentation_id',
None)
# Treat vlans
if vlan_tag and vlan_tag != 0:
br_dvs = ovs_lib.OVSBridge(self.conf.dvs_integration_bridge)
# When ovs_use_veth is set to True, the DEV_NAME_PREFIX
# will be changed from 'tap' to 'ns-' in
# OVSInterfaceDriver
dvs_port_name = interface_name.replace('ns-', 'tap')
br_dvs.set_db_attribute("Port", dvs_port_name, "tag", vlan_tag)
def unplug(self, device_name, network):
self.driver.unplug(
device_name, bridge=cfg.CONF.dvs_integration_bridge,
namespace=network.namespace)
class Dnsmasq(dhcp.Dnsmasq):
def __init__(self, conf, network, process_monitor,
version=None, plugin=None):
super(Dnsmasq, self).__init__(conf, network, process_monitor,
version=version, plugin=plugin)
# Using the DeviceManager that enables us to directly plug the OVS
LOG.debug("Using the DVS DeviceManager")
self.device_manager = DeviceManager(conf, plugin)