148 lines
7.8 KiB
Python
148 lines
7.8 KiB
Python
# 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 neutron_lib import constants as n_const
|
|
from oslo_config import cfg
|
|
|
|
from neutron._i18n import _
|
|
from neutron.plugins.ml2.drivers.openvswitch.agent.common \
|
|
import constants
|
|
|
|
|
|
DEFAULT_BRIDGE_MAPPINGS = []
|
|
DEFAULT_TUNNEL_TYPES = []
|
|
|
|
ovs_opts = [
|
|
cfg.StrOpt('integration_bridge', default='br-int',
|
|
help=_("Integration bridge to use. "
|
|
"Do not change this parameter unless you have a good "
|
|
"reason to. This is the name of the OVS integration "
|
|
"bridge. There is one per hypervisor. The integration "
|
|
"bridge acts as a virtual 'patch bay'. All VM VIFs are "
|
|
"attached to this bridge and then 'patched' according "
|
|
"to their network connectivity.")),
|
|
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.IPOpt('local_ip',
|
|
help=_("IP address of local overlay (tunnel) network endpoint. "
|
|
"Use either an IPv4 or IPv6 address that resides on one "
|
|
"of the host network interfaces. The IP version of this "
|
|
"value must match the value of the 'overlay_ip_version' "
|
|
"option in the ML2 plug-in configuration file on the "
|
|
"neutron server node(s).")),
|
|
cfg.ListOpt('bridge_mappings',
|
|
default=DEFAULT_BRIDGE_MAPPINGS,
|
|
help=_("Comma-separated list of <physical_network>:<bridge> "
|
|
"tuples mapping physical network names to the agent's "
|
|
"node-specific Open vSwitch bridge names to be used "
|
|
"for flat and VLAN networks. The length of bridge "
|
|
"names should be no more than 11. Each bridge must "
|
|
"exist, and should have a physical network interface "
|
|
"configured as a port. All physical networks "
|
|
"configured on the server should have mappings to "
|
|
"appropriate bridges on each agent. "
|
|
"Note: If you remove a bridge from this "
|
|
"mapping, make sure to disconnect it from the "
|
|
"integration bridge as it won't be managed by the "
|
|
"agent anymore.")),
|
|
cfg.BoolOpt('use_veth_interconnection', default=False,
|
|
help=_("Use veths instead of patch ports to interconnect the "
|
|
"integration bridge to physical networks. "
|
|
"Support kernel without Open vSwitch patch port "
|
|
"support so long as it is set to True.")),
|
|
cfg.StrOpt('of_interface', default='native',
|
|
deprecated_for_removal=True,
|
|
choices=['ovs-ofctl', 'native'],
|
|
help=_("OpenFlow interface to use.")),
|
|
cfg.StrOpt('datapath_type', default=constants.OVS_DATAPATH_SYSTEM,
|
|
choices=[constants.OVS_DATAPATH_SYSTEM,
|
|
constants.OVS_DATAPATH_NETDEV],
|
|
help=_("OVS datapath to use. 'system' is the default value and "
|
|
"corresponds to the kernel datapath. To enable the "
|
|
"userspace datapath set this value to 'netdev'.")),
|
|
cfg.StrOpt('vhostuser_socket_dir', default=constants.VHOST_USER_SOCKET_DIR,
|
|
help=_("OVS vhost-user socket directory.")),
|
|
cfg.IPOpt('of_listen_address', default='127.0.0.1',
|
|
help=_("Address to listen on for OpenFlow connections. "
|
|
"Used only for 'native' driver.")),
|
|
cfg.PortOpt('of_listen_port', default=6633,
|
|
help=_("Port to listen on for OpenFlow connections. "
|
|
"Used only for 'native' driver.")),
|
|
cfg.IntOpt('of_connect_timeout', default=300,
|
|
help=_("Timeout in seconds to wait for "
|
|
"the local switch connecting the controller. "
|
|
"Used only for 'native' driver.")),
|
|
cfg.IntOpt('of_request_timeout', default=300,
|
|
help=_("Timeout in seconds to wait for a single "
|
|
"OpenFlow request. "
|
|
"Used only for 'native' driver.")),
|
|
cfg.IntOpt('of_inactivity_probe', default=10,
|
|
help=_("The inactivity_probe interval in seconds for the local "
|
|
"switch connection to the controller. "
|
|
"A value of 0 disables inactivity probes. "
|
|
"Used only for 'native' driver.")),
|
|
]
|
|
|
|
agent_opts = [
|
|
cfg.BoolOpt('minimize_polling',
|
|
default=True,
|
|
help=_("Minimize polling by monitoring ovsdb for interface "
|
|
"changes.")),
|
|
cfg.IntOpt('ovsdb_monitor_respawn_interval',
|
|
default=constants.DEFAULT_OVSDBMON_RESPAWN,
|
|
help=_("The number of seconds to wait before respawning the "
|
|
"ovsdb monitor after losing communication with it.")),
|
|
cfg.ListOpt('tunnel_types', default=DEFAULT_TUNNEL_TYPES,
|
|
help=_("Network types supported by the agent "
|
|
"(gre, vxlan and/or geneve).")),
|
|
cfg.PortOpt('vxlan_udp_port', default=n_const.VXLAN_UDP_PORT,
|
|
help=_("The UDP port to use for VXLAN tunnels.")),
|
|
cfg.IntOpt('veth_mtu', default=9000,
|
|
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.BoolOpt('arp_responder', default=False,
|
|
help=_("Enable local ARP responder if it is supported. "
|
|
"Requires OVS 2.1 and ML2 l2population driver. "
|
|
"Allows the switch (when supporting an overlay) "
|
|
"to respond to an ARP request locally without "
|
|
"performing a costly ARP broadcast into the overlay.")),
|
|
cfg.BoolOpt('dont_fragment', default=True,
|
|
help=_("Set or un-set the don't fragment (DF) bit on "
|
|
"outgoing IP packet carrying GRE/VXLAN tunnel.")),
|
|
cfg.BoolOpt('enable_distributed_routing', default=False,
|
|
help=_("Make the l2 agent run in DVR mode.")),
|
|
cfg.BoolOpt('drop_flows_on_start', default=False,
|
|
help=_("Reset flow table on start. Setting this to True will "
|
|
"cause brief traffic interruption.")),
|
|
cfg.BoolOpt('tunnel_csum', default=False,
|
|
help=_("Set or un-set the tunnel header checksum on "
|
|
"outgoing IP packet carrying GRE/VXLAN tunnel.")),
|
|
cfg.StrOpt('agent_type', default=n_const.AGENT_TYPE_OVS,
|
|
deprecated_for_removal=True,
|
|
help=_("Selects the Agent Type reported"))
|
|
]
|
|
|
|
|
|
def register_ovs_agent_opts(cfg=cfg.CONF):
|
|
cfg.register_opts(ovs_opts, "OVS")
|
|
cfg.register_opts(agent_opts, "AGENT")
|