vmware-nsx/neutron/plugins/openvswitch/common/config.py
Francois Eleouet 98a9308728 OVS agent implementation of l2-population
This patchset implements l2-population RPC callbacks in OVS agents,
it enables plugin to populate forwarding table following portbindings
events.

For now, it doesn't include ARP responder implementation which is
deferred to a future patchset (As this feature isn't yet supported by
OVS, it will require the use of an external responder such as ebtables)

It anyway brings some improvements in tunnelling management, as agent
will tear-down unecessary tunnels, and flood packets on a per-network
basis rather than to all other agents.

These changes should anyway have a limited risk, as tunnel management
won't be affected as long as l2_population option is not set. This
option must be used in conjonction with ml2 plugin using l2population
mechanism driver.

Implements: blueprint l2-population

Change-Id: I5185eefedb0ff392bc8b99d16f810813e26ff58d
2013-09-12 01:13:32 +02:00

82 lines
3.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Red Hat, Inc.
#
# 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 neutron.agent.common import config
from neutron.plugins.openvswitch.common import constants
DEFAULT_BRIDGE_MAPPINGS = []
DEFAULT_VLAN_RANGES = []
DEFAULT_TUNNEL_RANGES = []
DEFAULT_TUNNEL_TYPES = []
ovs_opts = [
cfg.StrOpt('integration_bridge', default='br-int',
help=_("Integration bridge to use")),
cfg.BoolOpt('enable_tunneling', default=False,
help=_("Enable tunneling support")),
cfg.StrOpt('tunnel_bridge', default='br-tun',
help=_("Tunnel bridge to use")),
cfg.StrOpt('int_peer_patch_port', default='patch-tun',
help=_("Peer patch port in integration bridge for tunnel "
"bridge")),
cfg.StrOpt('tun_peer_patch_port', default='patch-int',
help=_("Peer patch port in tunnel bridge for integration "
"bridge")),
cfg.StrOpt('local_ip', default='',
help=_("Local IP address of GRE tunnel endpoints.")),
cfg.ListOpt('bridge_mappings',
default=DEFAULT_BRIDGE_MAPPINGS,
help=_("List of <physical_network>:<bridge>")),
cfg.StrOpt('tenant_network_type', default='local',
help=_("Network type for tenant networks "
"(local, vlan, gre, vxlan, or none)")),
cfg.ListOpt('network_vlan_ranges',
default=DEFAULT_VLAN_RANGES,
help=_("List of <physical_network>:<vlan_min>:<vlan_max> "
"or <physical_network>")),
cfg.ListOpt('tunnel_id_ranges',
default=DEFAULT_TUNNEL_RANGES,
help=_("List of <tun_min>:<tun_max>")),
cfg.StrOpt('tunnel_type', default='',
help=_("The type of tunnels to use when utilizing tunnels, "
"either 'gre' or 'vxlan'")),
]
agent_opts = [
cfg.IntOpt('polling_interval', default=2,
help=_("The number of seconds the agent will wait between "
"polling for local device changes.")),
cfg.ListOpt('tunnel_types', default=DEFAULT_TUNNEL_TYPES,
help=_("Network types supported by the agent "
"(gre and/or vxlan)")),
cfg.IntOpt('vxlan_udp_port', default=constants.VXLAN_UDP_PORT,
help=_("The UDP port to use for VXLAN tunnels.")),
cfg.IntOpt('veth_mtu', default=None,
help=_("MTU size of veth interfaces")),
cfg.BoolOpt('l2_population', default=False,
help=_("Use ml2 l2population mechanism driver to learn "
"remote mac and IPs and improve tunnel scalability")),
]
cfg.CONF.register_opts(ovs_opts, "OVS")
cfg.CONF.register_opts(agent_opts, "AGENT")
config.register_agent_state_opts_helper(cfg.CONF)
config.register_root_helper(cfg.CONF)