Mongoid and Qu configuration using MongoDB URI

application.yml

# this is only a partial YAML file from a Rails application
# this YAML file would be loaded and used with the settingslogic gem

defaults: &defaults
  database: &database
    conn_uri: mongodb://username:password@localhost:27001/
    db_name: myapp_default
  job_queue: &job_queue
    db_name: qu

development:
  <<: *defaults
  database:
    <<: *database
    db_name: myapp_development
  job_queue:
    <<: *job_queue
    db_name: qu_development

test:
  <<: *defaults
  database:
    <<: *database
    db_name: myapp_test
  job_queue:
    <<: *job_queue
    db_name: qu_test

mongoid_setup.rb

# Add this file to config/initializers in Rails
#
# mongoid 2.x.x
# mongo (1.3.x or 1.4.x)

Mongoid.configure do |config|
  uri = Settings.database.conn_uri + Settings.job_queue.db_name
  Mongoid::Config.from_hash({"uri" => uri})
end

qu_setup.rb

# qu (0.1.x)
Qu.configure do |c|
  uri = Settings.database.conn_uri + Settings.job_queue.db_name

  c.connection = Mongo::Connection.from_uri(uri).db(Settings.job_queue.db_name)
end