# File lib/fog/rackspace/block_storage.rb, line 72
        def initialize(options = {})
          @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] || {}
          setup_custom_endpoint(options)

          authenticate

          deprecation_warnings(options)

          @persistent = options[:persistent] || false
          @connection = Fog::Core::Connection.new(endpoint_uri.to_s, @persistent, @connection_options)
        end