Merge "Allow duplicate lease names"

blazar/db/migration/alembic_migrations/versions/6bfd1c23aa18_allow_duplicate_lease_names.py

@@ -0,0 +1,42 @@
+# Copyright 2017 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.
+
+"""Allow duplicate lease names
+
+Revision ID: 6bfd1c23aa18
+Revises: ba75b766b64e
+Create Date: 2017-08-16 08:49:15.307072
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '6bfd1c23aa18'
+down_revision = 'ba75b766b64e'
+
+from alembic import op
+from sqlalchemy.engine import reflection
+
+
+def upgrade():
+    inspector = reflection.Inspector.from_engine(op.get_bind())
+    unique_constraints = inspector.get_unique_constraints('leases')
+    for constraint in unique_constraints:
+        if constraint['column_names'] == ['name']:
+            op.drop_constraint(constraint['name'], 'leases', type_='unique')
+            break
+
+
+def downgrade():
+    op.create_unique_constraint('uniq_leases0name', 'leases', ['name'])

blazar/db/sqlalchemy/models.py

@@ -49,10 +49,6 @@ class Lease(mb.BlazarBase):
 
     __tablename__ = 'leases'
 
-    __table_args__ = (
-        sa.UniqueConstraint('name'),
-    )
-
     id = _id_column()
     name = sa.Column(sa.String(80), nullable=False)
     user_id = sa.Column(sa.String(255), nullable=True)