68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
# Copyright 2015 Cisco Systems
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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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import abc
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from oslo_config import cfg
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import six
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from neutron._i18n import _
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OPTS = [
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cfg.StrOpt('pd_confs',
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default='$state_path/pd',
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help=_('Location to store IPv6 PD files.')),
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cfg.StrOpt('vendor_pen',
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default='8888',
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help=_("A decimal value as Vendor's Registered Private "
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"Enterprise Number as required by RFC3315 DUID-EN.")),
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]
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cfg.CONF.register_opts(OPTS)
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@six.add_metaclass(abc.ABCMeta)
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class PDDriverBase(object):
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def __init__(self, router_id, subnet_id, ri_ifname):
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self.router_id = router_id
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self.subnet_id = subnet_id
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self.ri_ifname = ri_ifname
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@abc.abstractmethod
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def enable(self, pmon, router_ns, ex_gw_ifname, lla):
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"""Enable IPv6 Prefix Delegation for this PDDriver on the given
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external interface, with the given link local address
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"""
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@abc.abstractmethod
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def disable(self, pmon, router_ns):
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"""Disable IPv6 Prefix Delegation for this PDDriver
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"""
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@abc.abstractmethod
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def get_prefix(self):
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"""Get the current assigned prefix for this PDDriver from the PD agent.
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If no prefix is currently assigned, return
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constants.PROVISIONAL_IPV6_PD_PREFIX
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"""
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@staticmethod
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@abc.abstractmethod
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def get_sync_data():
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"""Get the latest router_id, subnet_id, and ri_ifname from the PD agent
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so that the PDDriver can be kept up to date
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"""
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