Python VMXML.get_device_class方法代码示例

# 需要导入模块: from virttest.libvirt_xml.vm_xml import VMXML [as 别名]
# 或者: from virttest.libvirt_xml.vm_xml.VMXML import get_device_class [as 别名]
def run(test, params, env):
    """
    Test for PCI single function device(NIC or Infiniband)
    passthrough to libvirt guest in hotplug mode.

    a). NIC Or Infiniband:
        1. Get params.
        2. Get the pci device function.
        3. Start guest
        4. prepare device xml to be attached
        5. hotplug the device
        6. check device hotplugged or not
        7. Ping to server_ip from guest
        8. test flood ping
        9. test guest life cycle
        10. test virsh dumpxml
        11. hotunplug the device
        12. test stress
           to verify the new network device.
    """
    # get the params from params
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    device_name = params.get("libvirt_pci_net_dev_name", "ENTER_YOUR.DEV.NAME")
    pci_id = params.get("libvirt_pci_net_dev_label", "ENTER_YOUR.DEV.LABEL")
    net_ip = params.get("libvirt_pci_net_ip", "ENTER_YOUR.IP")
    server_ip = params.get("libvirt_pci_server_ip",
                           "ENTER_YOUR.SERVER.IP")
    netmask = params.get("libvirt_pci_net_mask", "ENTER_YOUR.MASK")
    stress_val = params.get("stress_val", "1")
    stress = params.get("stress", "no")
    timeout = int(params.get("timeout", "ENTER_YOUR.TIMEOUT.VALUE"))
    suspend_operation = params.get("suspend_operation", "no")
    reboot_operation = params.get("reboot_operation", "no")
    virsh_dumpxml = params.get("virsh_dumpxml", "no")
    virsh_dump = params.get("virsh_dump", "no")
    flood_ping = params.get("flood_ping", "no")
    # Check the parameters from configuration file.
    for each_param in params.itervalues():
        if "ENTER_YOUR" in each_param:
            test.cancel("Please enter the configuration details of %s."
                        % each_param)
    vmxml = VMXML.new_from_inactive_dumpxml(vm_name)
    backup_xml = vmxml.copy()
    devices = vmxml.get_devices()
    pci_devs = []
    dargs = {'debug': True, 'ignore_status': True}
    controller = Controller("controller")
    controller.type = "pci"
    controller.index = params.get("index", "1")
    controller.model = params.get("model", "pci-root")
    devices.append(controller)
    vmxml.set_devices(devices)
    vmxml.sync()
    if not vm.is_alive():
        vm.start()
        session = vm.wait_for_login()
    if not utils_package.package_install(["ppc64-diag",
                                          "librtas", "powerpc-utils"],
                                         session, 360):
        test.cancel('Fail on dependencies installing')
    if virsh_dump == "yes":
        dump_file = os.path.join(data_dir.get_tmp_dir(), "virshdump.xml")
    output = session.cmd_output("ip link")
    logging.debug("checking for output - %s", output)
    nic_list_before = str(output.splitlines())
    logging.debug("nic_list before hotplug %s", nic_list_before)
    obj = PciAssignable()
    # get all functions id's
    pci_ids = obj.get_same_group_devs(pci_id)
    for val in pci_ids:
        temp = val.replace(":", "_")
        pci_devs.extend(["pci_"+temp])
    pci_val = pci_devs[0].replace(".", "_")
    pci_xml = NodedevXML.new_from_dumpxml(pci_val)
    pci_address = pci_xml.cap.get_address_dict()
    dev = VMXML.get_device_class('hostdev')()
    dev.mode = 'subsystem'
    dev.hostdev_type = 'pci'
    dev.managed = 'no'
    dev.source = dev.new_source(**pci_address)

    def detach_device(pci_devs, pci_ids):
        # detaching the device from host
        for pci_value, pci_node in map(None, pci_devs, pci_ids):
            pci_value = pci_value.replace(".", "_")
            cmd = "lspci -ks %s | grep 'Kernel driver in use' |\
                   awk '{print $5}'" % pci_node
            driver_name = to_text(process.system_output(cmd, shell=True).strip())
            if driver_name == "vfio-pci":
                logging.debug("device alreay detached")
            else:
                if virsh.nodedev_detach(pci_value).exit_status:
                    test.error("Hostdev node detach failed")
                driver_name = to_text(process.system_output(cmd, shell=True).strip())
                if driver_name != "vfio-pci":
                    test.error("driver bind failed after detach")

    def reattach_device(pci_devs, pci_ids):
        # reattach the device to host
#.........这里部分代码省略.........