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Viewing changes to nova/db/sqlalchemy/migrate_repo/versions/036_change_flavor_id_in_migrations.py

  • Committer: Package Import Robot
  • Author(s): Chuck Short
  • Date: 2012-05-24 13:12:53 UTC
  • mfrom: (1.1.55)
  • Revision ID: package-import@ubuntu.com-20120524131253-ommql08fg1en06ut
Tags: 2012.2~f1-0ubuntu1
https://launchpad.net/bugs/907197
* New upstream release.
* Prepare for quantal:
  - Dropped debian/patches/upstream/0006-Use-project_id-in-ec2.cloud._format_image.patch
  - Dropped debian/patches/upstream/0005-Populate-image-properties-with-project_id-again.patch
  - Dropped debian/patches/upstream/0004-Fixed-bug-962840-added-a-test-case.patch
  - Dropped debian/patches/upstream/0003-Allow-unprivileged-RADOS-users-to-access-rbd-volumes.patch
  - Dropped debian/patches/upstream/0002-Stop-libvirt-test-from-deleting-instances-dir.patch
  - Dropped debian/patches/upstream/0001-fix-bug-where-nova-ignores-glance-host-in-imageref.patch 
  - Dropped debian/patches/0001-fix-useexisting-deprecation-warnings.patch
* debian/control: Add python-keystone as a dependency. (LP: #907197)
* debian/patches/kombu_tests_timeout.patch: Refreshed.
* debian/nova.conf, debian/nova-common.postinst: Convert to new ini
  file configuration
* debian/patches/nova-manage_flagfile_location.patch: Refreshed

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nova/db/sqlalchemy/migrate_repo/versions/036_change_flavor_id_in_migrations.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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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 sqlalchemy import Column, Integer, MetaData, Table
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def upgrade(migrate_engine):
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    meta = MetaData()
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    meta.bind = migrate_engine
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    instance_types = Table('instance_types', meta, autoload=True)
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    migrations = Table('migrations', meta, autoload=True)
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    old_instance_type_id = Column('old_instance_type_id', Integer())
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    new_instance_type_id = Column('new_instance_type_id', Integer())
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    migrations.create_column(old_instance_type_id)
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    migrations.create_column(new_instance_type_id)
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    # Convert flavor_id to instance_type_id
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    itypes = {}
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    for instance_type in migrate_engine.execute(instance_types.select()):
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        itypes[instance_type.id] = instance_type.flavorid
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    for instance_type_id in itypes.keys():
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        migrate_engine.execute(migrations.update()\
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                .where(migrations.c.old_flavor_id == itypes[instance_type_id])\
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                .values(old_instance_type_id=instance_type_id))
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        migrate_engine.execute(migrations.update()\
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                .where(migrations.c.new_flavor_id == itypes[instance_type_id])\
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                .values(new_instance_type_id=instance_type_id))
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    migrations.c.old_flavor_id.drop()
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    migrations.c.new_flavor_id.drop()
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def downgrade(migrate_engine):
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    meta = MetaData()
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    meta.bind = migrate_engine
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    instance_types = Table('instance_types', meta, autoload=True)
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    migrations = Table('migrations', meta, autoload=True)
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    old_flavor_id = Column('old_flavor_id', Integer())
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    new_flavor_id = Column('new_flavor_id', Integer())
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    migrations.create_column(old_flavor_id)
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    migrations.create_column(new_flavor_id)
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    # Convert instance_type_id to flavor_id
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    itypes = {}
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    for instance_type in migrate_engine.execute(instance_types.select()):
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        itypes[instance_type.flavorid] = instance_type.id
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    for instance_type_flavorid in itypes.keys():
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        migrate_engine.execute(migrations.update()\
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                .where(migrations.c.old_instance_type_id ==
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                    itypes[instance_type_flavorid])\
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                .values(old_flavor_id=instance_type_flavorid))
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        migrate_engine.execute(migrations.update()\
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                .where(migrations.c.new_instance_type_id ==
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                    itypes[instance_type_flavorid])\
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                .values(new_flavor_id=instance_type_flavorid))
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    migrations.c.old_instance_type_id.drop()
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    migrations.c.new_instance_type_id.drop()