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

53 lines
2.6 KiB
Python

# Copyright (c) 2016 IBM Corp.
#
# 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 neutron._i18n import _
from neutron.agent.common import config
agent_opts = [
cfg.IntOpt('polling_interval', default=2,
help=_("The number of seconds the agent will wait between "
"polling for local device changes.")),
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")),
# TODO(kevinbenton): The following opt is duplicated between the OVS agent
# and the Linuxbridge agent to make it easy to back-port. These shared opts
# should be moved into a common agent config options location as part of
# the deduplication work.
cfg.BoolOpt('prevent_arp_spoofing', default=True,
deprecated_for_removal=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. This option will be removed in Newton so "
"the only way to disable protection will be via the "
"port security extension."))
]
cfg.CONF.register_opts(agent_opts, "AGENT")
config.register_agent_state_opts_helper(cfg.CONF)