143 lines
7.5 KiB
Python
143 lines
7.5 KiB
Python
# Copyright 2012 Red Hat, Inc.
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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 neutron_lib import constants as n_const
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from oslo_config import cfg
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from neutron._i18n import _
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from neutron.plugins.ml2.drivers.openvswitch.agent.common \
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import constants
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DEFAULT_BRIDGE_MAPPINGS = []
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DEFAULT_TUNNEL_TYPES = []
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ovs_opts = [
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cfg.StrOpt('integration_bridge', default='br-int',
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help=_("Integration bridge to use. "
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"Do not change this parameter unless you have a good "
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"reason to. This is the name of the OVS integration "
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"bridge. There is one per hypervisor. The integration "
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"bridge acts as a virtual 'patch bay'. All VM VIFs are "
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"attached to this bridge and then 'patched' according "
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"to their network connectivity.")),
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cfg.StrOpt('tunnel_bridge', default='br-tun',
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help=_("Tunnel bridge to use.")),
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cfg.StrOpt('int_peer_patch_port', default='patch-tun',
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help=_("Peer patch port in integration bridge for tunnel "
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"bridge.")),
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cfg.StrOpt('tun_peer_patch_port', default='patch-int',
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help=_("Peer patch port in tunnel bridge for integration "
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"bridge.")),
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cfg.IPOpt('local_ip',
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help=_("IP address of local overlay (tunnel) network endpoint. "
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"Use either an IPv4 or IPv6 address that resides on one "
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"of the host network interfaces. The IP version of this "
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"value must match the value of the 'overlay_ip_version' "
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"option in the ML2 plug-in configuration file on the "
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"neutron server node(s).")),
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cfg.ListOpt('bridge_mappings',
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default=DEFAULT_BRIDGE_MAPPINGS,
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help=_("Comma-separated list of <physical_network>:<bridge> "
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"tuples mapping physical network names to the agent's "
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"node-specific Open vSwitch bridge names to be used "
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"for flat and VLAN networks. The length of bridge "
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"names should be no more than 11. Each bridge must "
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"exist, and should have a physical network interface "
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"configured as a port. All physical networks "
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"configured on the server should have mappings to "
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"appropriate bridges on each agent. "
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"Note: If you remove a bridge from this "
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"mapping, make sure to disconnect it from the "
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"integration bridge as it won't be managed by the "
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"agent anymore.")),
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cfg.BoolOpt('use_veth_interconnection', default=False,
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help=_("Use veths instead of patch ports to interconnect the "
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"integration bridge to physical networks. "
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"Support kernel without Open vSwitch patch port "
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"support so long as it is set to True.")),
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cfg.StrOpt('of_interface', default='native',
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deprecated_for_removal=True,
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choices=['ovs-ofctl', 'native'],
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help=_("OpenFlow interface to use.")),
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cfg.StrOpt('datapath_type', default=constants.OVS_DATAPATH_SYSTEM,
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choices=[constants.OVS_DATAPATH_SYSTEM,
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constants.OVS_DATAPATH_NETDEV],
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help=_("OVS datapath to use. 'system' is the default value and "
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"corresponds to the kernel datapath. To enable the "
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"userspace datapath set this value to 'netdev'.")),
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cfg.StrOpt('vhostuser_socket_dir', default=constants.VHOST_USER_SOCKET_DIR,
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help=_("OVS vhost-user socket directory.")),
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cfg.IPOpt('of_listen_address', default='127.0.0.1',
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help=_("Address to listen on for OpenFlow connections. "
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"Used only for 'native' driver.")),
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cfg.PortOpt('of_listen_port', default=6633,
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help=_("Port to listen on for OpenFlow connections. "
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"Used only for 'native' driver.")),
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cfg.IntOpt('of_connect_timeout', default=300,
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help=_("Timeout in seconds to wait for "
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"the local switch connecting the controller. "
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"Used only for 'native' driver.")),
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cfg.IntOpt('of_request_timeout', default=300,
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help=_("Timeout in seconds to wait for a single "
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"OpenFlow request. "
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"Used only for 'native' driver.")),
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]
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agent_opts = [
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cfg.BoolOpt('minimize_polling',
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default=True,
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help=_("Minimize polling by monitoring ovsdb for interface "
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"changes.")),
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cfg.IntOpt('ovsdb_monitor_respawn_interval',
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default=constants.DEFAULT_OVSDBMON_RESPAWN,
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help=_("The number of seconds to wait before respawning the "
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"ovsdb monitor after losing communication with it.")),
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cfg.ListOpt('tunnel_types', default=DEFAULT_TUNNEL_TYPES,
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help=_("Network types supported by the agent "
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"(gre and/or vxlan).")),
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cfg.PortOpt('vxlan_udp_port', default=n_const.VXLAN_UDP_PORT,
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help=_("The UDP port to use for VXLAN tunnels.")),
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cfg.IntOpt('veth_mtu', default=9000,
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help=_("MTU size of veth interfaces")),
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cfg.BoolOpt('l2_population', default=False,
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help=_("Use ML2 l2population mechanism driver to learn "
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"remote MAC and IPs and improve tunnel scalability.")),
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cfg.BoolOpt('arp_responder', default=False,
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help=_("Enable local ARP responder if it is supported. "
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"Requires OVS 2.1 and ML2 l2population driver. "
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"Allows the switch (when supporting an overlay) "
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"to respond to an ARP request locally without "
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"performing a costly ARP broadcast into the overlay.")),
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cfg.BoolOpt('dont_fragment', default=True,
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help=_("Set or un-set the don't fragment (DF) bit on "
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"outgoing IP packet carrying GRE/VXLAN tunnel.")),
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cfg.BoolOpt('enable_distributed_routing', default=False,
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help=_("Make the l2 agent run in DVR mode.")),
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cfg.BoolOpt('drop_flows_on_start', default=False,
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help=_("Reset flow table on start. Setting this to True will "
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"cause brief traffic interruption.")),
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cfg.BoolOpt('tunnel_csum', default=False,
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help=_("Set or un-set the tunnel header checksum on "
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"outgoing IP packet carrying GRE/VXLAN tunnel.")),
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cfg.StrOpt('agent_type', default=n_const.AGENT_TYPE_OVS,
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deprecated_for_removal=True,
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help=_("Selects the Agent Type reported"))
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]
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def register_ovs_agent_opts(cfg=cfg.CONF):
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cfg.register_opts(ovs_opts, "OVS")
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cfg.register_opts(agent_opts, "AGENT")
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