BIOS Settings: Add bios_interface db field

Add bios_interface DB field, database migration,
and object entry for node bios functionality.

Co-Authored-By: Yolanda Robla Mota <yroblamo@redhat.com>
Depends-On: I48c96d5da0cb747b3ca3fceea9b4ffa85a9ebe22
Change-Id: I3a4f92fa880deef6e7882819afbadde2aff06161
Partial-Bug: #1712032

ironic/db/sqlalchemy/alembic/versions/2d13bc3d6bba_add_bios_config_and_interface.py

@@ -0,0 +1,31 @@
+#    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.
+
+"""add bios interface
+
+Revision ID: 2d13bc3d6bba
+Revises: 82c315d60161
+Create Date: 2017-09-27 14:42:42.107321
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '2d13bc3d6bba'
+down_revision = '82c315d60161'
+
+
+def upgrade():
+    op.add_column('nodes', sa.Column('bios_interface',
+                                     sa.String(length=255), nullable=True))

ironic/db/sqlalchemy/models.py

@@ -170,6 +170,7 @@ class Node(Base):
     inspection_started_at = Column(DateTime, nullable=True)
     extra = Column(db_types.JsonEncodedDict)
 
+    bios_interface = Column(String(255), nullable=True)
     boot_interface = Column(String(255), nullable=True)
     console_interface = Column(String(255), nullable=True)
     deploy_interface = Column(String(255), nullable=True)

ironic/tests/unit/db/sqlalchemy/test_migrations.py

@@ -705,6 +705,13 @@ class MigrationCheckersMixin(object):
                 bios_settings.c.name == setting['name'])).execute().first()
         self.assertEqual('on', setting['value'])
 
+    def _check_2d13bc3d6bba(self, engine, data):
+        nodes = db_utils.get_table(engine, 'nodes')
+        col_names = [column.name for column in nodes.c]
+        self.assertIn('bios_interface', col_names)
+        self.assertIsInstance(nodes.c.bios_interface.type,
+                              sqlalchemy.types.String)
+
     def test_upgrade_and_version(self):
         with patch_with_engine(self.engine):
             self.migration_api.upgrade('head')