'Shutdown and destroy this instance. For EBS-backed nodes, this
will also destroy the node\'s EBS root device. Puts this node
into a \'terminated\' state.'

def terminate(self):

    if self.spot_id:
        log.info(('Canceling    spot    request    %s' % self.spot_id))
        self.get_spot_request().cancel()
    log.info(('Terminating    node:    %s    (%s)' % (self.alias, self.id)))
    return self.instance.terminate()
