fix keyword argument business and close()

Change-Id: Ie2e8b1b5322e32b2ecb92883e2419fad9c42e0d6
adds close()

Change-Id: I262b0ed3f958bdaf3fe7755bbbd70e25ae7941d6
unset rubyish things before ohai-soloing

Change-Id: I6efcc6375b66653b79209ee8809026bd9da2a573