crowbar/barclamp-rabbitmq — pull request #7 by aspiers (2013-06-18 11:19:40+00:00)
Title: ensure that the rabbitmq-server role is assigned in rabbitmq proposals

In the future we will hopefully support HA rabbitmq, where there could be
multiple servers.

Currently there's only one possible validation error, but we follow the
pattern used by other barclamps for building an errors array and joining it,
to allow easy addition of other errors in the future.