Adding in cancel notifications

data/migrations/versions/94836b099894_create_new_notification_type.py

@@ -0,0 +1,28 @@
+"""Create new notification type
+
+Revision ID: 94836b099894
+Revises: faf752bd2e0a
+Create Date: 2016-11-30 10:29:51.519278
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '94836b099894'
+down_revision = 'faf752bd2e0a'
+
+from alembic import op
+
+
+def upgrade(tables):
+    op.bulk_insert(tables.externalnotificationevent,
+                   [
+                       {'name': 'build_cancelled'},
+                   ])
+
+
+def downgrade(tables):
+    op.execute(tables
+               .externalnotificationevent
+               .delete()
+               .where(tables.
+                      externalnotificationevent.c.name == op.inline_literal('build_cancelled')))