57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
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# Copyright (c) 2016 Cisco Systems, Inc.
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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 os
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from neutron.agent.linux import bridge_lib
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def monkey_patch():
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"""Add backward compatibility to networking-vpp for Liberty
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This monkey-patches a couple of bits of Neutron
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to enable compatibility with Liberty.
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"""
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if 'owns_interface' not in dir(bridge_lib.BridgeDevice):
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BRIDGE_INTERFACE_FS = "/sys/class/net/%(bridge)s/brif/%(interface)s"
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def owns_interface(self, interface):
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return os.path.exists(
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BRIDGE_INTERFACE_FS % {'bridge': self.name,
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'interface': interface})
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bridge_lib.BridgeDevice.owns_interface = owns_interface
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if 'get_log_fail_as_error' not in dir(bridge_lib.BridgeDevice):
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def get_log_fail_as_error(self):
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return self.log_fail_as_error
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bridge_lib.BridgeDevice.get_log_fail_as_error = get_log_fail_as_error
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if 'exists' not in dir(bridge_lib.BridgeDevice):
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def exists(self):
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orig_log_fail_as_error = self.get_log_fail_as_error()
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self.set_log_fail_as_error(False)
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try:
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return bool(self.link.address)
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except RuntimeError:
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return False
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finally:
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self.set_log_fail_as_error(orig_log_fail_as_error)
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bridge_lib.BridgeDevice.exists = exists
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