# File lib/blimpy/boxes/openstack.rb, line 40
    def wait_for_state(until_state, &block)
      until @server.ready?
        sleep 1
        @server.reload
      end
      # OpenStack doesn't seem to like it if you try to associate the IP
      # address too early, but will properly associate it after the machine is
      # ready
      associate_ip
    end