1 files changed, 48 insertions, 0 deletions
diff --git a/keystone-moon/keystone/contrib/federation/migrate_repo/versions/006_fixup_service_provider_attributes.py b/keystone-moon/keystone/contrib/federation/migrate_repo/versions/006_fixup_service_provider_attributes.py
new file mode 100644
index 00000000..8a42ce3a
--- /dev/null
+++ b/keystone-moon/keystone/contrib/federation/migrate_repo/versions/006_fixup_service_provider_attributes.py
@@ -0,0 +1,48 @@
+# 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.
+
+import sqlalchemy as sql
+
+_SP_TABLE_NAME = 'service_provider'
+
+
+def _update_null_columns(migrate_engine, sp_table):
+    stmt = (sp_table.update().
+            where(sp_table.c.auth_url.is_(None)).
+            values(auth_url=''))
+    migrate_engine.execute(stmt)
+
+    stmt = (sp_table.update().
+            where(sp_table.c.sp_url.is_(None)).
+            values(sp_url=''))
+    migrate_engine.execute(stmt)
+
+
+def upgrade(migrate_engine):
+    meta = sql.MetaData()
+    meta.bind = migrate_engine
+    sp_table = sql.Table(_SP_TABLE_NAME, meta, autoload=True)
+    # The columns are being changed to non-nullable. To prevent
+    # database errors when both are altered, all the existing
+    # null-records should be filled with not null values.
+    _update_null_columns(migrate_engine, sp_table)
+
+    sp_table.c.auth_url.alter(nullable=False)
+    sp_table.c.sp_url.alter(nullable=False)
+
+
+def downgrade(migrate_engine):
+    meta = sql.MetaData()
+    meta.bind = migrate_engine
+    sp_table = sql.Table(_SP_TABLE_NAME, meta, autoload=True)
+    sp_table.c.auth_url.alter(nullable=True)
+    sp_table.c.sp_url.alter(nullable=True)