Migration to add read-only AdminFlag

Author: di

warehouse/migrations/versions/6418f7d86a4b_add_read_only_adminflag.py

@@ -0,0 +1,40 @@
+# 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 read-only AdminFlag
+
+Revision ID: 6418f7d86a4b
+Revises: 5dda74213989
+Create Date: 2018-03-23 20:51:31.558587
+"""
+
+from alembic import op
+
+
+revision = '6418f7d86a4b'
+down_revision = 'bf73e785eed9'
+
+
+def upgrade():
+    op.execute("""
+        INSERT INTO warehouse_admin_flag(id, description, enabled, notify)
+        VALUES (
+            'read-only',
+            'Read Only Mode: Any write operations will have no effect',
+            FALSE,
+            TRUE
+        )
+    """)
+
+
+def downgrade():
+    op.execute("DELETE FROM warehouse_admin_flag WHERE id = 'read-only'")