The DNS_NAMESERVER environment variable in the service
setup script does not have a default. We ensure that it
does using the same default as the playbooks/group_vars.
Change-Id: I451ffd029c73b2d0613f53b7b4e21f38e43d3d7c
Adding even more dynamic user config options and a compute preseed.
Change-Id: Ieccbd61a45a77b7dff9e228fc6fdaf92df852abb
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>