In current setup some Contrail services belong to the wrong roles.
The Contrail control plane can be impacted if the Analytics database has problems.
Furthermore contrail tripleo puppet modules are being refactored to conform to the
new interface of the puppet-contrail modules.
Closes-Bug: 1659560
Change-Id: Id0dd35b95c5fe9d0fcc1e16c4b7d6cc601f10818