52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
# Copyright 2013, Big Switch Networks
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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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from neutron.api.v2 import attributes
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from neutron.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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def get_port_hostid(context, port_id):
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# REVISIT(kevinbenton): this is a workaround to avoid portbindings_db
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# relational table generation until one of the functions is called.
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from neutron.db import portbindings_db
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with context.session.begin(subtransactions=True):
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query = context.session.query(portbindings_db.PortBindingPort)
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res = query.filter_by(port_id=port_id).first()
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if not res:
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return False
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return res.host
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def put_port_hostid(context, port_id, host):
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# REVISIT(kevinbenton): this is a workaround to avoid portbindings_db
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# relational table generation until one of the functions is called.
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from neutron.db import portbindings_db
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if not attributes.is_attr_set(host):
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LOG.warning(_("No host_id in port request to track port location."))
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return
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if port_id == '':
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LOG.warning(_("Received an empty port ID for host_id '%s'"), host)
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return
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if host == '':
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LOG.debug(_("Received an empty host_id for port '%s'"), port_id)
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return
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LOG.debug(_("Logging port %(port)s on host_id %(host)s"),
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{'port': port_id, 'host': host})
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with context.session.begin(subtransactions=True):
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location = portbindings_db.PortBindingPort(port_id=port_id, host=host)
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context.session.merge(location)
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