82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# Copyright 2014 OpenStack Foundation
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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 Sean M. Collins (Comcast)
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"""Add IPv6 Subnet properties
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Revision ID: 2447ad0e9585
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Revises: 33dd0a9fa487
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Create Date: 2013-10-23 16:36:44.188904
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"""
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# revision identifiers, used by Alembic.
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revision = '2447ad0e9585'
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down_revision = '33dd0a9fa487'
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# Change to ['*'] if this migration applies to all plugins
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migration_for_plugins = [
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'*'
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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 neutron.db import migration
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def upgrade(active_plugins=None, options=None):
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if not migration.should_run(active_plugins, migration_for_plugins):
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return
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# Workaround for Alemic bug #89
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# https://bitbucket.org/zzzeek/alembic/issue/89
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context = op.get_context()
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if context.bind.dialect.name == 'postgresql':
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op.execute("CREATE TYPE ipv6_ra_modes AS ENUM ('%s', '%s', '%s')"
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% ('slaac', 'dhcpv6-stateful', 'dhcpv6-stateless'))
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op.execute("CREATE TYPE ipv6_address_modes AS ENUM ('%s', '%s', '%s')"
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% ('slaac', 'dhcpv6-stateful', 'dhcpv6-stateless'))
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op.add_column('subnets',
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sa.Column('ipv6_ra_mode',
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sa.Enum('slaac',
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'dhcpv6-stateful',
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'dhcpv6-stateless',
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name='ipv6_ra_modes'),
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nullable=True)
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)
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op.add_column('subnets',
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sa.Column('ipv6_address_mode',
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sa.Enum('slaac',
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'dhcpv6-stateful',
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'dhcpv6-stateless',
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name='ipv6_address_modes'),
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nullable=True)
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)
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def downgrade(active_plugins=None, options=None):
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if not migration.should_run(active_plugins, migration_for_plugins):
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return
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op.drop_column('subnets', 'ipv6_ra_mode')
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op.drop_column('subnets', 'ipv6_address_mode')
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context = op.get_context()
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if context.bind.dialect.name == 'postgresql':
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op.execute('DROP TYPE ipv6_ra_modes')
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op.execute('DROP TYPE ipv6_address_modes')
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