Migrate introspection data for undercloud upgrade
Migrate introspection data for undercloud upgrade

As we've disabled swift on the undercloud, migrate
introspection data from swift to database when doing
undercloud upgrade.

Change-Id: Ia1b4fda4a15e6f3a2fc75661420a561078b18a59

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates