# Copyright 2014 OpenStack Foundation
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
#

"""L2 models to support DVR

Revision ID: 2026156eab2f
Revises: 3927f7f7c456
Create Date: 2014-06-23 19:12:43.392912

"""

# revision identifiers, used by Alembic.
revision = '2026156eab2f'
down_revision = '3927f7f7c456'


from alembic import op
import sqlalchemy as sa


def upgrade():
    op.create_table(
        'dvr_host_macs',
        sa.Column('host', sa.String(length=255), nullable=False),
        sa.Column('mac_address', sa.String(length=32),
                  nullable=False, unique=True),
        sa.PrimaryKeyConstraint('host')
    )
    op.create_table(
        'ml2_dvr_port_bindings',
        sa.Column('port_id', sa.String(length=36), nullable=False),
        sa.Column('host', sa.String(length=255), nullable=False),
        sa.Column('router_id', sa.String(length=36), nullable=True),
        sa.Column('vif_type', sa.String(length=64), nullable=False),
        sa.Column('vif_details', sa.String(length=4095),
                  nullable=False, server_default=''),
        sa.Column('vnic_type', sa.String(length=64),
                  nullable=False, server_default='normal'),
        sa.Column('profile', sa.String(length=4095),
                  nullable=False, server_default=''),
        sa.Column('cap_port_filter', sa.Boolean(), nullable=False),
        sa.Column('driver', sa.String(length=64), nullable=True),
        sa.Column('segment', sa.String(length=36), nullable=True),
        sa.Column(u'status', sa.String(16), nullable=False),
        sa.ForeignKeyConstraint(['port_id'], ['ports.id'],
                                ondelete='CASCADE'),
        sa.ForeignKeyConstraint(['segment'], ['ml2_network_segments.id'],
                                ondelete='SET NULL'),
        sa.PrimaryKeyConstraint('port_id', 'host')
    )


def downgrade():
    op.drop_table('ml2_dvr_port_bindings')
    op.drop_table('dvr_host_macs')
