41b4490a41
implements blueprint quantum-db-upgrades This changeset provide database migration capabilities to Quantum by wrapping the Alembic library. Change-Id: I8ba3a07f5a65e0fda9c0e85ed9c07c5978c53bc7
76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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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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# @author: Mark McClain, DreamHost
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"""ryu
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This retroactively provides migration support for
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https://review.openstack.org/#/c/11204/
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Revision ID: 5a875d0e5c
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Revises: folsom
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Create Date: 2012-12-18 12:32:04.482477
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"""
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# revision identifiers, used by Alembic.
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revision = '5a875d0e5c'
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down_revision = 'folsom'
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# Change to ['*'] if this migration applies to all plugins
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migration_for_plugins = [
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'quantum.plugins.ryu.ryu_quantum_plugin.RyuQuantumPluginV2'
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]
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import mysql
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from quantum.db import migration
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def upgrade(active_plugin=None, options=None):
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if not migration.should_run(active_plugin, migration_for_plugins):
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return
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op.create_table(
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'tunnelkeys',
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sa.Column('network_id', sa.String(length=36), nullable=False),
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sa.Column('last_key', sa.Integer(), autoincrement=False,
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nullable=False),
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sa.ForeignKeyConstraint(['network_id'], ['networks.id'],
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ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('last_key')
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)
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op.create_table(
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'tunnelkeylasts',
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sa.Column('last_key', sa.Integer(), autoincrement=False,
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nullable=False),
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sa.PrimaryKeyConstraint('last_key')
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)
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def downgrade(active_plugin=None, options=None):
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if not migration.should_run(active_plugin, migration_for_plugins):
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return
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op.drop_table('tunnelkeylasts')
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op.drop_table('tunnelkeys')
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