9f9711578f
Adding a column to hold the PCI device parent address in order to facilitate the relationship between physical and virtual functions Partially implements blueprint sriov-physical-function-passthrough Change-Id: I9bd4959172902b07e681057b41fb668d28d0220d
41 lines
1.6 KiB
Python
41 lines
1.6 KiB
Python
# Copyright 2015 Red Hat Inc
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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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# See blueprint backportable-db-migrations-icehouse
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# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
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from sqlalchemy import MetaData, Table, Column, String, Index
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def upgrade(migrate_engine):
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meta = MetaData(bind=migrate_engine)
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# Add a new column to store PCI device parent address
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pci_devices = Table('pci_devices', meta, autoload=True)
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shadow_pci_devices = Table('shadow_pci_devices', meta, autoload=True)
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parent_addr = Column('parent_addr', String(12), nullable=True)
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if not hasattr(pci_devices.c, 'parent_addr'):
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pci_devices.create_column(parent_addr)
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if not hasattr(shadow_pci_devices.c, 'parent_addr'):
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shadow_pci_devices.create_column(parent_addr.copy())
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# Create index
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parent_index = Index('ix_pci_devices_compute_node_id_parent_addr_deleted',
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pci_devices.c.compute_node_id,
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pci_devices.c.parent_addr,
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pci_devices.c.deleted)
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parent_index.create(migrate_engine)
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