32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
# Copyright 2012 Cisco Systems, 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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#
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from neutron_lib import constants as n_const
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from oslo_log import log
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from neutron.plugins.ml2.drivers.linuxbridge.agent.common import constants
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LOG = log.getLogger(__name__)
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def get_tap_device_name(interface_id):
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"""Convert port ID into device name format expected by linux bridge."""
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if not interface_id:
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LOG.warning("Invalid Interface ID, will lead to incorrect "
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"tap device name")
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tap_device_name = (n_const.TAP_DEVICE_PREFIX +
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interface_id[:constants.RESOURCE_ID_LENGTH])
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return tap_device_name
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