7095354c81
The following commit adds the ability to associate multiple different provider networks on a single network. Implements blueprint map-networks-to-multiple-provider-networks Change-Id: I3c70fb2426899f728a401566debab7f66e7246bc
103 lines
4.0 KiB
Python
103 lines
4.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2013 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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"""add multiprovider
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Revision ID: 3c6e57a23db4
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Revises: 86cf4d88bd3
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Create Date: 2013-07-10 12:43:35.769283
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"""
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# revision identifiers, used by Alembic.
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revision = '3c6e57a23db4'
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down_revision = '86cf4d88bd3'
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# Change to ['*'] if this migration applies to all plugins
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migration_for_plugins = [
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'neutron.plugins.nicira.NeutronPlugin.NvpPluginV2'
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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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op.create_table(
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'nvp_multi_provider_networks',
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sa.Column('network_id', sa.String(length=36), nullable=False),
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sa.ForeignKeyConstraint(['network_id'], ['networks.id'],
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ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('network_id'),
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mysql_engine='InnoDB'
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)
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op.create_table('rename_nvp_network_bindings',
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sa.Column('network_id', sa.String(length=36),
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primary_key=True),
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sa.Column('binding_type',
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sa.Enum('flat', 'vlan', 'stt', 'gre', 'l3_ext',
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name=(
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'nvp_network_bindings_binding_type')),
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nullable=False, primary_key=True),
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sa.Column('phy_uuid', sa.String(36), primary_key=True,
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nullable=True),
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sa.Column('vlan_id', sa.Integer, primary_key=True,
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nullable=True, autoincrement=False))
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# copy data from nvp_network_bindings into rename_nvp_network_bindings
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op.execute("INSERT INTO rename_nvp_network_bindings SELECT network_id, "
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"binding_type, phy_uuid, vlan_id from nvp_network_bindings")
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op.drop_table('nvp_network_bindings')
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op.rename_table('rename_nvp_network_bindings', 'nvp_network_bindings')
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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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# Delete the multi_provider_network entries from nvp_network_bindings
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op.execute("DELETE from nvp_network_bindings WHERE network_id IN "
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"(SELECT network_id from nvp_multi_provider_networks)")
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# create table with previous contains
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op.create_table('rename_nvp_network_bindings',
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sa.Column('network_id', sa.String(length=36),
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primary_key=True),
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sa.Column('binding_type',
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sa.Enum('flat', 'vlan', 'stt', 'gre', 'l3_ext',
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name=(
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'nvp_network_bindings_binding_type')),
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nullable=False),
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sa.Column('phy_uuid', sa.String(36),
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nullable=True),
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sa.Column('vlan_id', sa.Integer,
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nullable=True, autoincrement=False))
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# copy data from nvp_network_bindings into rename_nvp_network_bindings
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op.execute("INSERT INTO rename_nvp_network_bindings SELECT network_id, "
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"binding_type, phy_uuid, vlan_id from nvp_network_bindings")
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op.drop_table('nvp_network_bindings')
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op.rename_table('rename_nvp_network_bindings', 'nvp_network_bindings')
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op.drop_table('nvp_multi_provider_networks')
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