def initialize(options={})
require 'multi_json'
@rackspace_api_key = options[:rackspace_api_key]
@rackspace_username = options[:rackspace_username]
@rackspace_auth_url = options[:rackspace_auth_url]
@rackspace_must_reauthenticate = false
@connection_options = options[:connection_options] || {}
uri = URI.parse(options[:rackspace_lb_endpoint] || DFW_ENDPOINT)
@host = uri.host
@persistent = options[:persistent] || false
@path = uri.path
@port = uri.port
@scheme = uri.scheme
authenticate
@connection = Fog::Connection.new(uri.to_s, @persistent, @connection_options)
end