Increase instances.task_description column size

The instances.task_description column size is too small to use.
This fix increases it to 255.

The migration is totally safe and the downgrade operation
is not needed.

Change-Id: I658e0dea3d304409085162ec4a2b79f8473a71c4
Closes-Bug: #1334795

1 files changed, 29 insertions, 0 deletions

diff --git a/trove/db/sqlalchemy/migrate_repo/versions/034_change_task_description.py b/trove/db/sqlalchemy/migrate_repo/versions/034_change_task_description.py
new file mode 100644
index 00000000..e96e9d85
--- /dev/null
+++ b/trove/db/sqlalchemy/migrate_repo/versions/034_change_task_description.py
@@ -0,0 +1,29 @@
+# Copyright 2014 AWCloud
+#
+#    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.
+
+from sqlalchemy.schema import MetaData
+
+from trove.db.sqlalchemy.migrate_repo.schema import String
+from trove.db.sqlalchemy.migrate_repo.schema import Table
+
+
+def upgrade(migrate_engine):
+    meta = MetaData()
+    meta.bind = migrate_engine
+    instances = Table('instances', meta, autoload=True)
+    instances.c.task_description.alter(type=String(255))
+
+
+def downgrade(migrate_engine):
+    pass