75 lines
3.8 KiB
Python
75 lines
3.8 KiB
Python
# Copyright (c) 2013 OpenStack Foundation
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# 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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ml2_opts = [
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cfg.ListOpt('type_drivers',
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default=['local', 'flat', 'vlan', 'gre', 'vxlan', 'geneve'],
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help=_("List of network type driver entrypoints to be loaded "
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"from the neutron.ml2.type_drivers namespace.")),
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cfg.ListOpt('tenant_network_types',
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default=['local'],
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help=_("Ordered list of network_types to allocate as tenant "
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"networks. The default value 'local' is useful for "
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"single-box testing but provides no connectivity "
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"between hosts.")),
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cfg.ListOpt('mechanism_drivers',
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default=[],
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help=_("An ordered list of networking mechanism driver "
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"entrypoints to be loaded from the "
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"neutron.ml2.mechanism_drivers namespace.")),
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cfg.ListOpt('extension_drivers',
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default=[],
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help=_("An ordered list of extension driver "
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"entrypoints to be loaded from the "
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"neutron.ml2.extension_drivers namespace. "
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"For example: extension_drivers = port_security,qos")),
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cfg.IntOpt('path_mtu', default=0,
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help=_('The maximum permissible size of an unfragmented '
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'packet travelling from and to addresses where '
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'encapsulated Neutron traffic is sent. '
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'Drivers calculate maximum viable MTU for validating '
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'tenant requests based on this value (typically, '
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'path_mtu - maxmum encapsulation header size). If <= 0, '
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'the path MTU is indeterminate and no calculation '
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'takes place.')),
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cfg.IntOpt('segment_mtu', default=0,
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help=_('The maximum permissible size of an unfragmented '
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'packet travelling a L2 network segment. If <= 0, the '
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'segment MTU is indeterminate and no calculation takes '
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'place.')),
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cfg.ListOpt('physical_network_mtus',
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default=[],
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help=_("A list of mappings of physical networks to MTU "
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"values. The format of the mapping is "
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"<physnet>:<mtu val>. This mapping allows "
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"specifying a physical network MTU value that "
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"differs from the default segment_mtu value.")),
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cfg.StrOpt('external_network_type',
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help=_("Default network type for external networks when no "
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"provider attributes are specified. By default it is "
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"None, which means that if provider attributes are not "
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"specified while creating external networks then they "
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"will have the same type as tenant networks. Allowed "
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"values for external_network_type config option depend "
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"on the network type values configured in type_drivers "
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"config option."))
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]
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cfg.CONF.register_opts(ml2_opts, "ml2")
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