64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
# Copyright (C) 2017 Fujitsu Limited
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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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import contextlib
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import six
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@six.add_metaclass(abc.ABCMeta)
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class FirewallL2DriverBase(object):
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"""Abstract firewall L2 driver base"""
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def __init__(self, integration_bridge, sg_enabled=False):
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pass
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def filter_defer_apply_on(self):
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"""Defer application of filtering rule."""
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pass
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def filter_defer_apply_off(self):
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"""Turn off deferral of rules and apply the rules now."""
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pass
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@property
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def ports(self):
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"""Returns filtered ports."""
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pass
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@contextlib.contextmanager
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def defer_apply(self):
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"""Defer apply context."""
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self.filter_defer_apply_on()
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try:
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yield
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finally:
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self.filter_defer_apply_off()
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def create_firewall_group(self, ports, firewall_group):
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"""Called when a firewall group is created.
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"""
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raise NotImplementedError()
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def update_firewall_group(self, ports, firewall_group):
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"""Called when a firewall group is updated.
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"""
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raise NotImplementedError()
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def delete_firewall_group(self, ports, firewall_group):
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"""Called when a firewall group is deleted.
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"""
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raise NotImplementedError()
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