role :app,          'thisapp.rocks.com'
role :web,          'thisapp.rocks.com'
role :db,           'thisdb.rocks.com'
role :assets, 'my.asset.server01.com'
set :user, 'the-primary-user'
set :server_authentication, { 'my.asset.server01.com' => {
                                :user => 'assetusr' ,
                                :password => 'password'}}
                            }