neutron/neutron/plugins/ml2/drivers/openvswitch/agent/common/config.py

133 lines
6.6 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 oslo_config import cfg
from neutron.agent.common import config
from neutron.plugins.common import constants as p_const
from neutron.plugins.ml2.drivers.openvswitch.agent.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.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', version=4,
help=_("Local IP address of tunnel endpoint.")),
cfg.ListOpt('bridge_mappings',
default=DEFAULT_BRIDGE_MAPPINGS,
help=_("List of <physical_network>:<bridge>. "
"Deprecated for ofagent.")),
cfg.BoolOpt('use_veth_interconnection', default=False,
help=_("Use veths instead of patch ports to interconnect the "
"integration bridge to physical bridges.")),
cfg.StrOpt('of_interface', default='ovs-ofctl',
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.")),
cfg.IPOpt('of_listen_address', default='127.0.0.1',
help=_("Address to listen on for OpenFlow connections. "
"Used only for 'native' driver.")),
cfg.IntOpt('of_listen_port', default=6633,
help=_("Port to listen on for OpenFlow connections. "
"Used only for 'native' driver.")),
cfg.IntOpt('of_connect_timeout', default=30,
help=_("Timeout in seconds to wait for "
"the local switch connecting the controller. "
"Used only for 'native' driver.")),
cfg.IntOpt('of_request_timeout', default=10,
help=_("Timeout in seconds to wait for a single "
"OpenFlow request. "
"Used only for 'native' driver.")),
]
agent_opts = [
cfg.IntOpt('polling_interval', default=2,
help=_("The number of seconds the agent will wait between "
"polling for local device changes.")),
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 and/or vxlan).")),
cfg.IntOpt('vxlan_udp_port', default=p_const.VXLAN_UDP_PORT,
help=_("The UDP port to use for VXLAN tunnels.")),
cfg.IntOpt('veth_mtu',
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('prevent_arp_spoofing', default=True,
help=_("Enable suppression of ARP responses that don't match "
"an IP address that belongs to the port from which "
"they originate. Note: This prevents the VMs attached "
"to this agent from spoofing, it doesn't protect them "
"from other devices which have the capability to spoof "
"(e.g. bare metal or VMs attached to agents without "
"this flag set to True). Spoofing rules will not be "
"added to any ports that have port security disabled. "
"For LinuxBridge, this requires ebtables. For OVS, it "
"requires a version that supports matching ARP "
"headers.")),
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.IntOpt('quitting_rpc_timeout', default=10,
help=_("Set new timeout in seconds for new rpc calls after "
"agent receives SIGTERM. If value is set to 0, rpc "
"timeout won't be changed")),
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.CONF.register_opts(ovs_opts, "OVS")
cfg.CONF.register_opts(agent_opts, "AGENT")
config.register_agent_state_opts_helper(cfg.CONF)