97 lines
4.7 KiB
Python
97 lines
4.7 KiB
Python
# Copyright 2012 Cisco Systems, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_config import cfg
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from neutron.agent.common import config
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DEFAULT_BRIDGE_MAPPINGS = []
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DEFAULT_INTERFACE_MAPPINGS = []
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DEFAULT_VXLAN_GROUP = '224.0.0.1'
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vxlan_opts = [
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cfg.BoolOpt('enable_vxlan', default=True,
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help=_("Enable VXLAN on the agent. Can be enabled when "
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"agent is managed by ml2 plugin using linuxbridge "
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"mechanism driver")),
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cfg.IntOpt('ttl',
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help=_("TTL for vxlan interface protocol packets.")),
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cfg.IntOpt('tos',
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help=_("TOS for vxlan interface protocol packets.")),
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cfg.StrOpt('vxlan_group', default=DEFAULT_VXLAN_GROUP,
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help=_("Multicast group(s) for vxlan interface. A range of "
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"group addresses may be specified by using CIDR "
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"notation. Specifying a range allows different VNIs to "
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"use different group addresses, reducing or eliminating "
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"spurious broadcast traffic to the tunnel endpoints. "
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"To reserve a unique group for each possible "
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"(24-bit) VNI, use a /8 such as 239.0.0.0/8. This "
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"setting must be the same on all the agents.")),
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cfg.IPOpt('local_ip', version=4,
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help=_("Local IP address of the VXLAN endpoints.")),
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cfg.BoolOpt('l2_population', default=False,
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help=_("Extension to use alongside ml2 plugin's l2population "
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"mechanism driver. It enables the plugin to populate "
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"VXLAN forwarding table.")),
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]
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bridge_opts = [
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cfg.ListOpt('physical_interface_mappings',
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default=DEFAULT_INTERFACE_MAPPINGS,
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help=_("Comma-separated list of "
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"<physical_network>:<physical_interface> tuples "
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"mapping physical network names to the agent's "
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"node-specific physical network interfaces to be used "
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"for flat and VLAN networks. All physical networks "
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"listed in network_vlan_ranges on the server should "
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"have mappings to appropriate interfaces on each "
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"agent.")),
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cfg.ListOpt('bridge_mappings',
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default=DEFAULT_BRIDGE_MAPPINGS,
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help=_("List of <physical_network>:<physical_bridge>")),
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]
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agent_opts = [
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cfg.IntOpt('polling_interval', default=2,
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help=_("The number of seconds the agent will wait between "
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"polling for local device changes.")),
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cfg.IntOpt('quitting_rpc_timeout', default=10,
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help=_("Set new timeout in seconds for new rpc calls after "
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"agent receives SIGTERM. If value is set to 0, rpc "
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"timeout won't be changed")),
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# TODO(kevinbenton): The following opt is duplicated between the OVS agent
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# and the Linuxbridge agent to make it easy to back-port. These shared opts
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# should be moved into a common agent config options location as part of
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# the deduplication work.
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cfg.BoolOpt('prevent_arp_spoofing', default=True,
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help=_("Enable suppression of ARP responses that don't match "
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"an IP address that belongs to the port from which "
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"they originate. Note: This prevents the VMs attached "
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"to this agent from spoofing, it doesn't protect them "
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"from other devices which have the capability to spoof "
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"(e.g. bare metal or VMs attached to agents without "
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"this flag set to True). Spoofing rules will not be "
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"added to any ports that have port security disabled. "
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"For LinuxBridge, this requires ebtables. For OVS, it "
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"requires a version that supports matching ARP "
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"headers."))
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]
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cfg.CONF.register_opts(vxlan_opts, "VXLAN")
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cfg.CONF.register_opts(bridge_opts, "LINUX_BRIDGE")
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cfg.CONF.register_opts(agent_opts, "AGENT")
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config.register_agent_state_opts_helper(cfg.CONF)
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