def fusionstor_query(self, req):
        protocol = lichbd.get_protocol()
        if protocol == 'lichbd':
            lichbd.makesure_qemu_img_with_lichbd()
        elif protocol == 'sheepdog' or protocol == 'nbd':
            pass
        else:
            raise shell.ShellError('Do not supprot protocols, only supprot lichbd, sheepdog and nbd')

        o = shell.call('lich.node --stat 2>/dev/null')
        if 'running' not in o:
            raise shell.ShellError('the lichd process of this node is not running, Please check the lichd service')

        return jsonobject.dumps(kvmagent.AgentResponse())
 def fusionstor_query(self, req):
     lichbd.makesure_qemu_with_lichbd()
     lichbd.makesure_qemu_img_with_lichbd()
     return jsonobject.dumps(kvmagent.AgentResponse())