58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
# Derived from nova/network/linux_net.py
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#
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# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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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""" Implements linux net utils"""
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from oslo_concurrency import processutils
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from oslo_log import log as logging
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LOG = logging.getLogger(__name__)
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def _ovs_vsctl(args, timeout=None):
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full_args = ['ovs-vsctl']
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if timeout is not None:
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full_args += ['--timeout=%s' % timeout]
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full_args += args
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try:
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return processutils.execute(*full_args, run_as_root=True)
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except Exception as e:
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LOG.error("Unable to execute %(cmd)s. Exception: %(exception)s",
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{'cmd': full_args, 'exception': e})
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raise
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def _create_ovs_vif_cmd(bridge, dev, iface_id, mac, instance_id):
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cmd = ['--', '--if-exists', 'del-port', dev, '--',
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'add-port', bridge, dev,
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'--', 'set', 'Interface', dev,
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'external-ids:iface-id=%s' % iface_id,
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'external-ids:iface-status=active',
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'external-ids:attached-mac=%s' % mac,
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'external-ids:vm-uuid=%s' % instance_id]
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return cmd
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def create_ovs_vif_port(bridge, dev, iface_id, mac, instance_id):
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_ovs_vsctl(_create_ovs_vif_cmd(bridge, dev, iface_id, mac, instance_id))
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def delete_ovs_vif_port(bridge, dev):
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_ovs_vsctl(['--', '--if-exists', 'del-port', bridge, dev])
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