OpenStack Study: 50e86cb2637a_nsx_mappings.py

**** CubicPower OpenStack Study ****

def upgrade(active_plugins=None, options=None):

    if not migration.should_run(active_plugins, migration_for_plugins):

        return

    op.create_table('neutron_nsx_port_mappings',

                    sa.Column('neutron_id', sa.String(length=36),

                              nullable=False),

                    sa.Column('nsx_port_id', sa.String(length=36),

                              nullable=False),

                    sa.Column('nsx_switch_id', sa.String(length=36),

                              nullable=True),

                    sa.ForeignKeyConstraint(['neutron_id'], ['ports.id'],

                                            ondelete='CASCADE'),

                    sa.PrimaryKeyConstraint('neutron_id'))

    op.execute("INSERT INTO neutron_nsx_port_mappings SELECT quantum_id as "

               "neutron_id, nvp_id as nsx_port_id, null as nsx_switch_id from"

               " quantum_nvp_port_mapping")

    op.drop_table('quantum_nvp_port_mapping')

**** CubicPower OpenStack Study ****

def downgrade(active_plugins=None, options=None):

    if not migration.should_run(active_plugins, migration_for_plugins):

        return

    # Restore table to pre-icehouse version

    op.create_table('quantum_nvp_port_mapping',

                    sa.Column('quantum_id', sa.String(length=36),

                              nullable=False),

                    sa.Column('nvp_id', sa.String(length=36),

                              nullable=False),

                    sa.ForeignKeyConstraint(['quantum_id'], ['ports.id'],

                                            ondelete='CASCADE'),

                    sa.PrimaryKeyConstraint('quantum_id'))

    op.execute("INSERT INTO quantum_nvp_port_mapping SELECT neutron_id as "

               "quantum_id, nsx_port_id as nvp_id from"

               " neutron_nsx_port_mappings")

    op.drop_table('neutron_nsx_port_mappings')