user_id column was widened to support domain users

The length of keystone domain users is 64 chars length
but the columns that hold user_id were VARCHAR(36)

Change-Id: Idcbdd49b71ff3c88cf1801362b2f51d6cb22464e
Closes-Bug: #1521104

murano/db/migration/alembic_migrations/versions/012_support_domain_users.py

@@ -0,0 +1,44 @@
+# 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.
+
+"""
+Change sizes of columns that hold keystone user ID to support domain users
+which are 64 characters long.
+
+Revision ID: 012
+Revises: table session, table package
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '012'
+down_revision = '011'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+MYSQL_ENGINE = 'InnoDB'
+MYSQL_CHARSET = 'utf8'
+
+
+def upgrade():
+    op.alter_column('session', 'user_id', type_=sa.String(64), nullable=False)
+    op.alter_column('package', 'owner_id', type_=sa.String(64), nullable=False)
+    # end Alembic commands #
+
+
+def downgrade():
+    op.alter_column('package', 'owner_id', type_=sa.String(36), nullable=False)
+    op.alter_column('session', 'user_id', type_=sa.String(36), nullable=False)
+    # end Alembic commands #

murano/db/models.py

@@ -114,7 +114,7 @@ class Session(Base, TimestampMixin):
                    default=uuidutils.generate_uuid)
     environment_id = sa.Column(sa.String(255), sa.ForeignKey('environment.id'))
 
-    user_id = sa.Column(sa.String(36), nullable=False)
+    user_id = sa.Column(sa.String(64), nullable=False)
     state = sa.Column(sa.String(36), nullable=False)
     description = sa.Column(st.JsonBlob(), nullable=False)
     version = sa.Column(sa.BigInteger, nullable=False, default=0)
@@ -251,7 +251,7 @@ class Package(Base, TimestampMixin):
                                cascade='save-update, merge',
                                lazy='joined')
     logo = sa.Column(st.LargeBinary(), nullable=True)
-    owner_id = sa.Column(sa.String(36), nullable=False)
+    owner_id = sa.Column(sa.String(64), nullable=False)
     ui_definition = sa.Column(sa.Text)
     supplier_logo = sa.Column(sa.LargeBinary, nullable=True)
     categories = sa_orm.relationship("Category",