Add security groups tables for ML2 plugin via migration

Copy the migration from revision 3cb5d900c5de

Change-Id: Ie0f6f14d69e896727715ecce573b81275c7869dc
Closes-Bug: #1263304

neutron/db/migration/alembic_migrations/versions/49f5e553f61f_ml2_security_groups.py

@@ -0,0 +1,95 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+#
+# Copyright 2013 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.
+#
+
+"""security_groups
+
+Revision ID: 49f5e553f61f
+Revises: ed93525fd003
+Create Date: 2013-12-21 19:58:17.071412
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '49f5e553f61f'
+down_revision = 'ed93525fd003'
+
+# Change to ['*'] if this migration applies to all plugins
+
+migration_for_plugins = [
+    'neutron.plugins.ml2.plugin.Ml2Plugin'
+]
+
+from alembic import op
+import sqlalchemy as sa
+
+from neutron.db import migration
+
+
+def upgrade(active_plugins=None, options=None):
+    if not migration.should_run(active_plugins, migration_for_plugins):
+        return
+
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        'securitygroups',
+        sa.Column('tenant_id', sa.String(length=255), nullable=True),
+        sa.Column('id', sa.String(length=36), nullable=False),
+        sa.Column('name', sa.String(length=255), nullable=True),
+        sa.Column('description', sa.String(length=255), nullable=True),
+        sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table(
+        'securitygrouprules',
+        sa.Column('tenant_id', sa.String(length=255), nullable=True),
+        sa.Column('id', sa.String(length=36), nullable=False),
+        sa.Column('security_group_id', sa.String(length=36), nullable=False),
+        sa.Column('remote_group_id', sa.String(length=36), nullable=True),
+        sa.Column('direction',
+                  sa.Enum('ingress', 'egress',
+                          name='securitygrouprules_direction'),
+                  nullable=True),
+        sa.Column('ethertype', sa.String(length=40), nullable=True),
+        sa.Column('protocol', sa.String(length=40), nullable=True),
+        sa.Column('port_range_min', sa.Integer(), nullable=True),
+        sa.Column('port_range_max', sa.Integer(), nullable=True),
+        sa.Column('remote_ip_prefix', sa.String(length=255), nullable=True),
+        sa.ForeignKeyConstraint(['security_group_id'], ['securitygroups.id'],
+                                ondelete='CASCADE'),
+        sa.ForeignKeyConstraint(['remote_group_id'], ['securitygroups.id'],
+                                ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table(
+        'securitygroupportbindings',
+        sa.Column('port_id', sa.String(length=36), nullable=False),
+        sa.Column('security_group_id', sa.String(length=36), nullable=False),
+        sa.ForeignKeyConstraint(['port_id'], ['ports.id'], ondelete='CASCADE'),
+        sa.ForeignKeyConstraint(['security_group_id'], ['securitygroups.id']),
+        sa.PrimaryKeyConstraint('port_id', 'security_group_id')
+    )
+    ### end Alembic commands ###
+
+
+def downgrade(active_plugins=None, options=None):
+    if not migration.should_run(active_plugins, migration_for_plugins):
+        return
+
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('securitygroupportbindings')
+    op.drop_table('securitygrouprules')
+    op.drop_table('securitygroups')
+    ### end Alembic commands ###