def update_iothread_xml(define_error=False): """ Update xml for test """ vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name) del vmxml.cputune del vmxml.iothreadids del vmxml.iothreads vm_is_active = vm.is_alive() # Set iothreads first if iothread_ids: ids_xml = vm_xml.VMIothreadidsXML() ids_xml.iothread = iothread_ids.split() vmxml.iothreadids = ids_xml # Set cputune if any([iothreadpins, iothreadscheds, iothread_quota, iothread_period]): cputune_xml = vm_xml.VMCPUTuneXML() if iothreadpins: io_pins = [] for pins in iothreadpins.split(): thread, cpuset = pins.split(':') io_pins.append({"iothread": thread, "cpuset": cpuset}) cputune_xml.iothreadpins = io_pins if iothreadscheds: io_scheds = [] for sched in iothreadscheds.split(): thread, scheduler = sched.split(":") io_scheds.append({ "iothreads": thread, "scheduler": scheduler }) cputune_xml.iothreadscheds = io_scheds if iothread_period: cputune_xml.iothread_period = int(iothread_period) if iothread_quota: cputune_xml.iothread_quota = int(iothread_quota) vmxml.cputune = cputune_xml # Set iothread if iothread_num: vmxml.iothreads = int(iothread_num) logging.debug("Pre-test xml is %s", vmxml) if not define_error: vmxml.sync() if vm_is_active: vm.start() vm.wait_for_login().close() else: result = virsh.define(vmxml.xml, debug=True) libvirt.check_exit_status(result, True) if err_msg: libvirt.check_result(result, err_msg)
def run(test, params, env): """ Test command: virsh iothread. The command can change the number of iothread. 1.Prepare test environment,destroy or suspend a VM. 2.Perform virsh iothreadadd operation. 3.Recover test environment. 4.Confirm the test result. """ vm_name = params.get("main_vm") vm = env.get_vm(vm_name) pre_vm_state = params.get("iothread_pre_vm_state") command = params.get("iothread_command", "iothread") options = params.get("iothread_options") vm_ref = params.get("iothread_vm_ref", "name") iothreads = params.get("iothreads", 4) iothread_id = params.get("iothread_id", "6") cpuset = params.get("cpuset", "1") status_error = "yes" == params.get("status_error") iothreadids = params.get("iothreadids") iothreadpins = params.get("iothreadpins") try: iothreads = int(iothreads) except ValueError: # 'iothreads' may not invalid number in negative tests logging.debug("Can't convert %s to integer type", iothreads) # Save original configuration vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name) orig_config_xml = vmxml.copy() try: if vm.is_alive(): vm.destroy() option_list = options.split(" ") for item in option_list: if virsh.has_command_help_match(command, item) is None: raise exceptions.TestSkipError("The current libvirt version" " doesn't support '%s' option" % item) # Set iothreads first if iothreadids: ids_xml = vm_xml.VMIothreadidsXML() ids_xml.iothread = iothreadids.split() vmxml.iothreadids = ids_xml if iothreadpins: cputune_xml = vm_xml.VMCPUTuneXML() io_pins = [] for pins in iothreadpins.split(): thread, cpu = pins.split(':') io_pins.append({"iothread": thread, "cpuset": cpu}) cputune_xml.iothreadpins = io_pins vmxml.cputune = cputune_xml vmxml.iothreads = iothreads logging.debug("Pre-test xml is %s", vmxml) vmxml.sync() # Restart, unless that's not our test if not vm.is_alive(): vm.start() vm.wait_for_login() domid = vm.get_id() # only valid for running domuuid = vm.get_uuid() if pre_vm_state == "shut off" and vm.is_alive(): vm.destroy() # Run test if vm_ref == "name": dom_option = vm_name elif vm_ref == "id": dom_option = domid elif vm_ref == "uuid": dom_option = domuuid else: dom_option = vm_ref virsh_dargs = {"debug": True, "ignore_status": True} if "yes" == params.get("readonly", "no"): virsh_dargs.update({"readonly": True}) ret = virsh.iothreadpin(dom_option, iothread_id, cpuset, options, **virsh_dargs) libvirt.check_exit_status(ret, status_error) if not status_error: # Check domainxml iothread_info = get_xmlinfo(vm_name, options) logging.debug("iothreadinfo: %s", iothread_info) for info in iothread_info: if info["iothread"] == iothread_id and info["cpuset"] == cpuset: # Find the iothreadpins in domain xml break elif iothread_info.index(info) == (len(iothread_info) - 1): # Can not find the iothreadpins at last raise exceptions.TestFail( "Failed to add iothread %s in domain xml", iothread_id) # Check iothreadinfo by virsh command iothread_info = libvirt.get_iothreadsinfo(dom_option, options) logging.debug("iothreadinfo: %s", iothread_info) if (iothread_id not in iothread_info or iothread_info[iothread_id] != cpuset): raise exceptions.TestFail("Failed to add iothreadpins %s", iothread_id) finally: # Cleanup if vm.is_alive(): vm.destroy() orig_config_xml.sync()