def set_env():
     """
     set two interface with different network filter
     and change interface type
     """
     # Add enough PCI to attach interface
     libvirt_pcicontr.reset_pci_num(vm_name)
     virsh.attach_interface(vm_name, option, debug=True)
     vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
     logging.debug("Guest xml is {}".format(vmxml))
     devices = vmxml.get_devices('interface')
     iface_xml = devices[0]
     iface_xml_2 = devices[1]
     vmxml.del_device(iface_xml)
     vmxml.del_device(iface_xml_2)
     new_iface_1 = interface.Interface('network')
     new_iface_2 = interface.Interface('network')
     new_iface_1.xml = iface_xml.xml
     new_iface_2.xml = iface_xml_2.xml
     new_iface_1.type_name = "network"
     new_iface_2.type_name = "network"
     new_iface_1.source = {'network': source_network}
     new_iface_2.source = {'network': source_network}
     new_iface_1.target = {'dev': 'new_net0'}
     new_iface_2.target = {'dev': 'new_net1'}
     new_filterref = new_iface_1.new_filterref(**filterref_dict_1)
     new_iface_1.filterref = new_filterref
     new_filterref = new_iface_2.new_filterref(**filterref_dict_2)
     new_iface_2.filterref = new_filterref
     logging.debug("new interface xml is: %s \n %s" %
                   (new_iface_1, new_iface_2))
     vmxml.add_device(new_iface_1)
     vmxml.add_device(new_iface_2)
     vmxml.sync()
     return new_iface_1, new_iface_2
Esempio n. 2
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    def env_setting(filterref_dict_1, filterref_dict_2):
        ret = virsh.attach_interface(vm_name, option)
        utlv.check_exit_status(ret, status_error)
        vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
        devices = vmxml.get_devices('interface')
        iface_xml = devices[0]
        logging.debug("iface_xml : %s" % iface_xml)
        iface_xml_2 = devices[1]
        vmxml.del_device(iface_xml)
        vmxml.del_device(iface_xml_2)
        new_iface_1 = interface.Interface('network')
        logging.debug("new_iface_1 : %s" % new_iface_1)
        new_iface_2 = interface.Interface('network')
        new_iface_1.xml = iface_xml.xml
        new_iface_1.type_name = "network"
        logging.debug("new_iface_1 : %s" % new_iface_1)
        new_iface_2.xml = iface_xml_2.xml

        new_iface_1.source = {'network': "default"}
        new_filterref = new_iface_1.new_filterref(**filterref_dict_1)
        new_iface_1.filterref = new_filterref
        new_filterref = new_iface_2.new_filterref(**filterref_dict_2)
        new_iface_2.filterref = new_filterref
        logging.debug("new interface xml is: %s \n %s" %
                      (new_iface_1, new_iface_2))
        vmxml.add_device(new_iface_1)
        vmxml.add_device(new_iface_2)
        vmxml.sync()
        return new_iface_1, new_iface_2
Esempio n. 3
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    def test_setup_iface_default(self):
        iface = interface.Interface()
        iface.setup_attrs(**iface_attrs)

        cmp_device = interface.Interface()
        cmp_device.xml = XML.strip()
        self.assertEqual(iface, cmp_device)
Esempio n. 4
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    def test_hotplug_hostdev_iface_with_teaming():
        logging.info("Attach the bridge and hostdev interfaces.")
        iface = interface.Interface("network")
        iface.xml = create_bridge_iface_xml(vm, mac_addr, params)
        virsh.attach_device(vm_name,
                            iface.xml,
                            debug=True,
                            ignore_status=False)
        hostdev_iface_xml = create_hostdev_iface_xml(vm, mac_addr, params)
        virsh.attach_device(vm_name,
                            hostdev_iface_xml,
                            debug=True,
                            ignore_status=False)
        check_ifaces(vm_name, expected_ifaces={"bridge", "hostdev"})

        vm_session = vm.wait_for_serial_login(timeout=240)
        ping_ip = get_ping_dest(vm_session, mac_addr)
        check_vm_network_accessed(vm_session,
                                  ping_dest=ping_ip,
                                  tcpdump_iface=bridge_name,
                                  tcpdump_status_error=True)

        logging.info("Detach the hostdev interface.")
        hostdev_iface = interface.Interface("network")
        for ifc in vm_xml.VMXML.new_from_dumpxml(
                vm_name).devices.by_device_tag("interface"):
            if ifc.type_name == "hostdev":
                ifc.del_address()
                hostdev_iface = ifc
        virsh.detach_device(vm_name,
                            hostdev_iface.xml,
                            wait_remove_event=True,
                            debug=True,
                            ignore_status=False)
        check_ifaces(vm_name, expected_ifaces={"hostdev"}, status_error=True)

        check_vm_network_accessed(vm_session,
                                  2,
                                  ping_dest=ping_ip,
                                  tcpdump_iface=bridge_name,
                                  tcpdump_status_error=False)

        libvirt_vfio.check_vfio_pci(vf_pci, status_error=True)
        logging.info("Re-attach the hostdev interface.")
        virsh.attach_device(vm_name,
                            hostdev_iface.xml,
                            debug=True,
                            ignore_status=False)
        check_vm_network_accessed(vm_session,
                                  ping_dest=ping_ip,
                                  tcpdump_iface=bridge_name,
                                  tcpdump_status_error=True)
 def set_env():
     """
     prepare the vm interface xml
     this xml can both use in two senario.
     but little different for two senario
     """
     vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
     iface_xml = vmxml.get_devices('interface')[0]
     vmxml.del_device(iface_xml)
     new_iface = interface.Interface('network')
     new_iface.xml = iface_xml.xml
     new_iface.type_name = "network"
     iface_target = {'dev': target_dev}
     new_iface.target = iface_target
     source = {'network': source_network, 'bridge': source_bridge}
     new_iface.source = source
     filterrefs_dict = {}
     filterrefs_dict['name'] = filter_name
     filterrefs_dict['parameters'] = []
     new_filterref = new_iface.new_filterref(**filterrefs_dict)
     new_iface.filterref = new_filterref
     alias_dict = {'name': alias_name}
     new_iface.alias = alias_dict
     vmxml.add_device(new_iface)
     logging.debug("new interface xml is: %s" % new_iface)
     vmxml.sync()
     return new_iface
Esempio n. 6
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 def setup_save_restore_hostdev_iface_with_teaming():
     logging.info("Create hostdev network.")
     net_hostdev_fwd = params.get("net_hostdev_fwd",
                                  '{"mode": "hostdev", "managed": "yes"}')
     net_hostdev_dict = {
         "net_name": net_hostdev_name,
         "net_forward": net_hostdev_fwd,
         "net_forward_pf": '{"dev": "%s"}' % pf_name
     }
     libvirt_network.create_or_del_network(net_hostdev_dict)
     libvirt_vmxml.remove_vm_devices_by_type(vm, 'interface')
     vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
     iface = interface.Interface("network")
     iface.xml = create_bridge_iface_xml(vm, mac_addr, params)
     vmxml.add_device(iface)
     iface.xml = create_hostdev_iface_xml(vm, mac_addr, params)
     vmxml.add_device(iface)
     vmxml.sync()
     logging.debug("VMXML after updating ifaces: %s.",
                   vm_xml.VMXML.new_from_dumpxml(vm_name))
     vm.start()
     vm_session = vm.wait_for_serial_login(timeout=240)
     ping_ip = get_ping_dest(vm_session, mac_addr)
     check_vm_network_accessed(vm_session,
                               ping_dest=ping_ip,
                               tcpdump_iface=bridge_name,
                               tcpdump_status_error=True)
    def test_vf_hotplug():
        """
        Hot-plug VF to VM

        """
        logging.info("Preparing a running guest...")
        libvirt_vmxml.remove_vm_devices_by_type(vm, 'interface')
        vm.start()
        vm_session = vm.wait_for_serial_login(timeout=180)

        logging.info("Attaching VF to the guest...")
        mac_addr = utils_net.generate_mac_address_simple()
        iface_dict = eval(
            params.get('iface_dict', '{"hostdev_addr": "%s"}') %
            utils_sriov.pci_to_addr(vf_pci))
        iface = interface.Interface("hostdev")
        iface.xml = libvirt.modify_vm_iface(vm.name, "get_xml", iface_dict)
        virsh.attach_device(vm_name,
                            iface.xml,
                            debug=True,
                            ignore_status=False)

        logging.info("Checking VF in the guest...")
        vm_iface_types = [
            iface.get_type_name() for iface in vm_xml.VMXML.new_from_dumpxml(
                vm_name).devices.by_device_tag("interface")
        ]
        if 'hostdev' not in vm_iface_types:
            test.fail('Unable to get hostdev interface!')
        if cmd_in_vm:
            if not utils_misc.wait_for(
                    lambda: not vm_session.cmd_status(cmd_in_vm), 30, 10):
                test.fail("Can not get the Virtual Function info on vm!")
        vm_session.close()
Esempio n. 8
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    def update_iface_xml(vmxml):
        """
        Update interfaces for guest

        :param vmxml: vm_xml.VMXML object
        """
        vmxml.remove_all_device_by_type('interface')
        vmxml.sync()

        iface_dict = {"type": "network", "source": "{'network': 'host-bridge'}",
                      "mac": mac_addr, "model": "virtio",
                      "teaming": '{"type":"persistent"}',
                      "alias": '{"name": "ua-backup0"}',
                      "inbound": '{"average":"5"}',
                      "outbound": '{"average":"5"}'}

        iface_dict2 = {"type": "network", "source": "{'network': 'hostdev-net'}",
                       "mac": mac_addr, "model": "virtio",
                       "teaming": '{"type":"transient", "persistent": "ua-backup0"}'}

        iface = interface.Interface('network')
        for ifc in (iface_dict, iface_dict2):
            iface.xml = libvirt.modify_vm_iface(vm.name, "get_xml", ifc)
            vmxml.add_device(iface)
        vmxml.sync()
 def attach_new_device():
     newnet_iface = interface.Interface('network')
     newnet_iface.source = {'network': "default"}
     filterref_dict = {}
     filterref_list = [{'name': "CTRL_IP_LEARNING", 'value': "dhcp"}]
     filterref_dict['name'] = "clean-traffic"
     filterref_dict['parameters'] = filterref_list
     newnet_iface.filterref = newnet_iface.new_filterref(**filterref_dict)
     ret = virsh.attach_device(domainarg=vm_name,
                               filearg=newnet_iface.xml,
                               debug=True)
     utlv.check_exit_status(ret, status_error)
Esempio n. 10
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def create_iface(iface_dict):
    """
    Create Interface device

    :param iface_dict: Dict, attrs of Interface
    :return: xml object of interface
    """
    iface = interface.Interface("network")
    iface.setup_attrs(**iface_dict)

    logging.debug("Interface XML: %s", iface)
    return iface
    def set_env():
        vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml

        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()
        return new_iface
 def set_env():
     vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
     iface_xml = vmxml.get_devices('interface')[0]
     vmxml.del_device(iface_xml)
     new_iface = interface.Interface('network')
     new_iface.xml = iface_xml.xml
     new_iface.type_name = "network"
     new_iface.source = {'network': "default"}
     filter_dict = {}
     filter_dict['name'] = filter_name
     filter_dict['parameters'] = []
     new_iface.filterref = new_iface.new_filterref(**filter_dict)
     logging.debug("new iface is %s" % new_iface)
     vmxml.add_device(new_iface)
     vmxml.sync()
Esempio n. 13
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    def update_iface_xml(vm_name, iface_dict):
        """
        Update interfaces for guest

        :param vm_name: The name of VM
        :param iface_dict: The interface configurations params
        """
        logging.debug("update iface xml")
        vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        vmxml.remove_all_device_by_type('interface')
        vmxml.sync()

        iface = interface.Interface('network')
        iface.xml = libvirt.modify_vm_iface(vm.name, "get_xml", iface_dict)
        libvirt.add_vm_device(vmxml, iface)
Esempio n. 14
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    def setup_save_restore_hostdev_device_with_teaming():
        logging.info("Start a VM with bridge iface and hostdev device.")
        libvirt_vmxml.remove_vm_devices_by_type(vm, 'interface')
        vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface = interface.Interface("network")
        iface.xml = create_bridge_iface_xml(vm, mac_addr, params)
        vmxml.add_device(iface)

        hostdev_dev = libvirt.create_hostdev_xml(vf_pci,
                                                 teaming=hostdev_teaming_dict)
        vmxml.add_device(hostdev_dev)
        vmxml.sync()
        vm.start()
        utils_sriov.set_vf_mac(pf_name, mac_addr)
        vm.wait_for_serial_login(timeout=240).close()
Esempio n. 15
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def detach_iface_device(vm_name, dev_type):
    """
    Detach an interface from VM

    :param vm_name: VM's name
    :param dev_type: Interface device type
    """
    iface = interface.Interface(dev_type)
    iface = vm_xml.VMXML.new_from_dumpxml(vm_name).devices.by_device_tag(
        "interface")[0]
    virsh.detach_device(vm_name,
                        iface.xml,
                        wait_for_event=True,
                        debug=True,
                        ignore_status=False)
    libvirt_vmxml.check_guest_xml(vm_name, dev_type, status_error=True)
Esempio n. 16
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    def prepare_env():
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]

        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_iface.type_name = "network"
        new_iface.source = {'network': "default", 'bridge': "virbr0"}
        alias_dict = {'name': "net0"}
        new_iface.alias = alias_dict
        target_dict = {'dev': "vnet0"}
        new_iface.target = target_dict
        logging.debug("new interface xml is : %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()
        return new_iface
Esempio n. 17
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    def test_device_hotplug():
        """
        Hotplug/unplug VF with managed='no'

        1) Prepare a running guest
        2) Check the driver of vf on host
        3) Prepare a xml with "managed=no"and attach to guest
        4) Detach the device from host
        5) Check the driver of vf on host
        6) Attach the device to guest
        7) Check the interface of the guest
        8) Detach the device from guest and check the driver
        9) Reattach the device to the host and check the driver
        """
        libvirt_vmxml.remove_vm_devices_by_type(vm, 'interface')
        start_vm(vm)
        libvirt_vfio.check_vfio_pci(vf_pci, status_error=True)
        mac_addr = utils_net.generate_mac_address_simple()
        iface_dict = eval(
            params.get('iface_dict', '{"hostdev_addr": "%s"}') %
            utils_sriov.pci_to_addr(vf_pci))
        iface = interface.Interface("hostdev")
        iface.xml = libvirt.modify_vm_iface(vm.name, "get_xml", iface_dict)
        res = virsh.attach_device(vm_name, iface.xml, debug=True)
        libvirt.check_exit_status(res, True)
        virsh.nodedev_detach(dev_name, debug=True, ignore_status=False)
        libvirt_vfio.check_vfio_pci(vf_pci)
        virsh.attach_device(vm_name,
                            iface.xml,
                            debug=True,
                            ignore_status=False)

        check_vm_iface_managed(vm_name, iface_dict)
        vm.wait_for_serial_login().close()
        virsh.detach_device(vm_name,
                            iface.xml,
                            wait_remove_event=True,
                            debug=True,
                            ignore_status=False)
        libvirt_vfio.check_vfio_pci(vf_pci)
        virsh.nodedev_reattach(dev_name, debug=True, ignore_status=False)
        libvirt_vfio.check_vfio_pci(vf_pci, status_error=True)
Esempio n. 18
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    def update_iface_xml(vm_name, iface_dict, virsh_instance=virsh):
        """
        Update interfaces for guest

        :param vm_name: The name of VM
        :param iface_dict: The interface configurations params
        :param virsh_instance: virsh instance object
        """
        logging.debug("update iface xml")
        vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(
            vm_name, virsh_instance=virsh_instance)
        vmxml.remove_all_device_by_type('interface')
        vm_sync(vmxml, vm_name, virsh_instance=virsh_instance)
        iface = interface.Interface('network')
        iface.xml = libvirt.modify_vm_iface(vm_name, "get_xml", iface_dict,
                                            virsh_instance=virsh_instance)
        vmxml.add_device(iface)
        vmxml.xmltreefile.write()
        vm_sync(vmxml, vm_name, virsh_instance=virsh_instance)
        logging.debug("VM XML after updating interface: %s" % vmxml)
Esempio n. 19
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def run_invalid_interface(params, libvirtd, vm):
    """
    Define a domain with an invalid interface device.
    """
    vm_name = vm.name
    vm_xml = VMXML.new_from_inactive_dumpxml(vm_name)
    vm_xml_backup = vm_xml.copy()
    try:
        iface_xml = interface.Interface('bridge')
        iface_xml.set_target({'dev': 'vnet'})
        devices = vm_xml.devices
        devices.append(iface_xml)
        vm_xml.devices = devices

        try:
            vm_xml.sync()
        except LibvirtXMLError:
            pass
    finally:
        vm_xml_backup.sync()
Esempio n. 20
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    def setup_hotplug_hostdev_iface_with_teaming():
        logging.info("Create hostdev network.")
        net_hostdev_fwd = params.get("net_hostdev_fwd",
                                     '{"mode": "hostdev", "managed": "yes"}')
        net_hostdev_dict = {
            "net_name": net_hostdev_name,
            "net_forward": net_hostdev_fwd,
            "net_forward_pf": '{"dev": "%s"}' % pf_name
        }
        libvirt_network.create_or_del_network(net_hostdev_dict)

        logging.info("Clear up VM interface.")
        libvirt_vmxml.remove_vm_devices_by_type(vm, 'interface')
        iface = interface.Interface("network")
        iface.xml = create_bridge_iface_xml(vm, mac_addr, params)
        virsh.attach_device(vm_name,
                            iface.xml,
                            flagstr='--persistent',
                            debug=True,
                            ignore_status=False)
        vm.start()
        vm.wait_for_serial_login(timeout=180).close()
Esempio n. 21
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def run(test, params, env):
    """
    Test start domain with nwfilter rules.

    1) Prepare parameters.
    2) Prepare nwfilter rule and update domain interface to apply.
    3) Start domain and check rule.
    4) Clean env
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    attach_option = params.get("attach_option", "")
    check_cmd = params.get("check_cmd")
    expect_match = params.get("expect_match")
    attach_twice_invalid = "yes" == params.get("attach_twice_invalid", "no")
    status_error = "yes" == params.get("status_error", "no")
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)

    # Prepare vm filterref parameters dict list
    filterref_dict = {}
    filterref_dict['name'] = filter_name

    # Prepare interface parameters
    iface_type = 'network'
    iface_source = {'network': 'default'}
    iface_target = params.get("iface_target", 'vnet1')

    # backup vm xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    libvirtd = utils_libvirtd.Libvirtd()

    try:
        # Prepare interface xml for attach
        new_iface = interface.Interface(type_name=iface_type)
        new_iface.source = iface_source
        new_iface.target = {'dev': iface_target}
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        new_iface.model = "virtio"
        logging.debug("new interface xml is: %s" % new_iface)

        # Attach interface to vm
        ret = virsh.attach_device(vm_name, new_iface.xml,
                                  flagstr=attach_option,
                                  debug=True,
                                  ignore_status=True)
        utlv.check_exit_status(ret, status_error)

        if attach_twice_invalid:
            ret = virsh.attach_device(vm_name, new_iface.xml,
                                      flagstr=attach_option,
                                      debug=True,
                                      ignore_status=True)
            utlv.check_exit_status(ret, status_error)

        if not libvirtd.is_running():
            test.fail("libvirtd not running after attach "
                      "interface.")

        # Check iptables or ebtables on host
        if check_cmd:
            if "DEVNAME" in check_cmd:
                check_cmd = check_cmd.replace("DEVNAME", iface_target)
            ret = utils_misc.wait_for(lambda: not
                                      process.system(check_cmd,
                                                     ignore_status=True,
                                                     shell=True),
                                      timeout=30)
            if not ret:
                test.fail("Rum command '%s' failed" % check_cmd)
            out = astring.to_text(process.system_output(check_cmd, ignore_status=False, shell=True))
            if expect_match and not re.search(expect_match, out):
                test.fail("'%s' not found in output: %s"
                          % (expect_match, out))

    finally:
        if attach_twice_invalid:
            libvirtd.restart()
        # Clean env
        if vm.is_alive():
            vm.destroy(gracefully=False)
        # Recover xml of vm.
        vmxml_backup.sync()
Esempio n. 22
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def run(test, params, env):
    """
    Test start domain with nwfilter rules.

    1) Prepare parameters.
    2) Prepare nwfilter rule and update domain interface to apply.
    3) Start domain and check rule.
    4) Clean env
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    exist_filter = params.get("exist_filter", "no-mac-spoofing")
    check_cmd = params.get("check_cmd")
    expect_match = params.get("expect_match")
    status_error = "yes" == params.get("status_error", "no")
    mount_noexec_tmp = "yes" == params.get("mount_noexec_tmp", "no")
    kill_libvirtd = "yes" == params.get("kill_libvirtd", "no")
    bug_url = params.get("bug_url", "")
    ipset_command = params.get("ipset_command")
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    username = params.get("username")
    password = params.get("password")

    # Prepare vm filterref parameters dict list
    filter_param_list = []
    params_key = []
    for i in params.keys():
        if 'parameter_name_' in i:
            params_key.append(i)
    params_key.sort()
    for i in range(len(params_key)):
        params_dict = {}
        params_dict['name'] = params[params_key[i]]
        params_dict['value'] = params['parameter_value_%s' % i]
        filter_param_list.append(params_dict)
    filterref_dict = {}
    filterref_dict['name'] = filter_name
    filterref_dict['parameters'] = filter_param_list

    # backup vm xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)

    libvirtd = utils_libvirtd.Libvirtd()
    device_name = None
    try:
        rule = params.get("rule")
        if rule:
            # Create new filter xml
            filterxml = utlv.create_nwfilter_xml(params)
            # Define filter xml
            virsh.nwfilter_define(filterxml.xml, debug=True)

        # Update first vm interface with filter
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()

        if mount_noexec_tmp:
            device_name = utlv.setup_or_cleanup_iscsi(is_setup=True)
            utlv.mkfs(device_name, 'ext4')
            cmd = "mount %s /tmp -o noexec,nosuid" % device_name
            process.run(cmd, shell=True)

        if ipset_command:
            pkg = "ipset"
            if not utils_package.package_install(pkg):
                test.cancel("Can't install ipset on host")
            process.run(ipset_command, shell=True)

        # Run command
        try:
            vm.start()
            if not mount_noexec_tmp:
                vm.wait_for_serial_login(username=username, password=password)
            vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
            iface_xml = vmxml.get_devices('interface')[0]
            iface_target = iface_xml.target['dev']
            logging.debug("iface target dev name is %s", iface_target)

            # Check iptables or ebtables on host
            if check_cmd:
                if "DEVNAME" in check_cmd:
                    check_cmd = check_cmd.replace("DEVNAME", iface_target)
                ret = utils_misc.wait_for(lambda: not process.system(
                    check_cmd, ignore_status=True, shell=True),
                                          timeout=30)
                if not ret:
                    test.fail("Rum command '%s' failed" % check_cmd)
                # This change anchors nwfilter_vm_start.possitive_test.new_filter.variable_notation case
                # The matched destination could be ip address or hostname
                if "iptables -L" in check_cmd and expect_match:
                    # ip address that need to be replaced
                    replace_param = params.get("parameter_value_2")
                    #Get hostname by ip address.
                    hostname_info = None
                    try:
                        hostname_info = socket.gethostbyaddr(replace_param)
                    except socket.error as e:
                        logging.info(
                            "Failed to get hostname from ip address with error: %s",
                            str(e))
                    if hostname_info:
                        # String is used to replace ip address
                        replace_with = "%s|%s" % (replace_param,
                                                  hostname_info[0])
                        expect_match = r"%s" % expect_match.replace(
                            replace_param, replace_with)
                        logging.debug("final iptables match string:%s",
                                      expect_match)
                out = to_text(
                    process.system_output(check_cmd,
                                          ignore_status=False,
                                          shell=True))
                if expect_match and not re.search(expect_match, out):
                    test.fail("'%s' not found in output: %s" %
                              (expect_match, out))

        except virt_vm.VMStartError as e:
            # Starting VM failed.
            if not status_error:
                test.fail("Test failed in positive case.\n error:"
                          " %s\n%s" % (e, bug_url))

        if kill_libvirtd:
            cmd = "kill -s TERM `pidof libvirtd`"
            process.run(cmd, shell=True)
            ret = utils_misc.wait_for(lambda: not libvirtd.is_running(),
                                      timeout=30)
            # After libvirt 5.6.0, libvirtd is using systemd socket activation by default
            if not ret and not libvirt_version.version_compare(5, 6, 0):
                test.fail("Failed to kill libvirtd. %s" % bug_url)

    finally:
        if kill_libvirtd:
            libvirtd.restart()
        # Clean env
        if vm.is_alive():
            vm.destroy(gracefully=False)
        # Recover xml of vm.
        vmxml_backup.sync()
        # Undefine created filter
        if filter_name != exist_filter:
            virsh.nwfilter_undefine(filter_name, debug=True)
        if mount_noexec_tmp:
            if device_name:
                process.run("umount -l %s" % device_name,
                            ignore_status=True,
                            shell=True)
            utlv.setup_or_cleanup_iscsi(is_setup=False)
        if ipset_command:
            process.run("ipset destroy blacklist", shell=True)
Esempio n. 23
0
def run(test, params, env):
    """
    Test bridge support from network

    1) create a linux bridge and connect a physical interface to it
    2) define nwfilter with "vdsm-no-mac-spoofing"
    3) redefine the vm with the new create bridge and filter
    4) check if guest can get public ip after vm start
    5) check if guest and host can ping each other
    6) check if guest and host can ping outside
    7) start another vm connected to the same bridge
    8) check if the 2 guests can ping each other
    """
    def create_bridge(br_name, iface_name):
        """
        Create a linux bridge by virsh cmd:
        1. Stop NetworkManager and Start network service
        2. virsh iface-bridge <iface> <name> [--no-stp]

        :param br_name: bridge name
        :param iface_name: physical interface name
        :return: bridge created or raise exception
        """
        # Make sure the bridge not exist
        if libvirt.check_iface(br_name, "exists", "--all"):
            test.cancel("The bridge %s already exist" % br_name)

        # Create bridge
        utils_package.package_install('tmux')
        cmd = 'tmux -c "ip link add name {0} type bridge; ip link set {1} up;' \
              ' ip link set {1} master {0}; ip link set {0} up;' \
              ' pkill dhclient; sleep 6; dhclient {0}; ifconfig {1} 0"'.format(br_name, iface_name)
        process.run(cmd, shell=True, verbose=True)

    def create_bridge_network(br_name, net_name):
        """
        Define and start the bridge type network
        """
        # check if network with the same name already exists
        output_all = virsh.net_list("--all").stdout.strip()
        if re.search(net_name, output_all):
            test.cancel("Network with the same name already exists!")
        test_xml = network_xml.NetworkXML(network_name="%s" % net_name)
        test_xml.forward = {"mode": "bridge"}
        test_xml.bridge = {"name": br_name}
        test_xml.create()

    def define_nwfilter(filter_name):
        """
        Define nwfilter vdsm-no-mac-spoofing with content like:
        <filter name='vdsm-no-mac-spoofing' chain='root'>
            <filterref filter='no-mac-spoofing'/>
            <filterref filter='no-arp-mac-spoofing'/>
        </filter>

        :param filter_name: the name of nwfilter
        :return: filter created or raise exception
        """
        filter_uuid = params.get("filter_uuid",
                                 "11111111-b071-6127-b4ec-111111111111")
        filter_params = {
            "filter_name": "vdsm-no-mac-spoofing",
            "filter_chain": "root",
            "filter_uuid": filter_uuid,
            "filterref_name_1": "no-mac-spoofing",
            "filterref_name_2": "no-arp-mac-spoofing"
        }
        filter_xml = libvirt.create_nwfilter_xml(filter_params).xml
        # Run command
        result = virsh.nwfilter_define(filter_xml,
                                       ignore_status=True,
                                       debug=True)
        if result.exit_status:
            test.fail("Failed to define nwfilter with %s" % filter_xml)

    def ping(src_ip, dest_ip, ping_count, timeout, session=None):
        """
        Wrap of ping

        :param src_ip: source address
        :param dest_ip: destination address
        :param ping_count: count of icmp packet
        :param timeout: timeout for the ping command
        :param session: local execution or session to execute the ping command
        :return: ping succeed or raise exception
        """
        status, output = utils_net.ping(dest=dest_ip,
                                        count=ping_count,
                                        interface=src_ip,
                                        timeout=timeout,
                                        session=session,
                                        force_ipv4=True)
        if status:
            test.fail("Fail to ping %s from %s" % (dest_ip, src_ip))

    def check_net_functions(guest_ip, ping_count, ping_timeout, guest_session,
                            host_ip, remote_url, endpoint_ip):
        # make sure host network works well
        # host ping remote url
        ping(host_ip, remote_url, ping_count, ping_timeout)
        # host ping guest
        ping(host_ip, guest_ip, ping_count, ping_timeout)
        # guest ping host
        ping(guest_ip,
             host_ip,
             ping_count,
             ping_timeout,
             session=guest_session)
        # guest ping remote url
        ping(guest_ip,
             remote_url,
             ping_count,
             ping_timeout,
             session=guest_session)
        # guest ping endpoint
        ping(guest_ip,
             endpoint_ip,
             ping_count,
             ping_timeout,
             session=guest_session)

    # Get test params
    bridge_name = params.get("bridge_name", "test_br0")
    filter_name = params.get("filter_name", "vdsm-no-mac-spoofing")
    ping_count = params.get("ping_count", "5")
    ping_timeout = float(params.get("ping_timeout", "10"))
    iface_name = utils_net.get_net_if(state="UP")[0]
    bridge_script = NETWORK_SCRIPT + bridge_name
    iface_script = NETWORK_SCRIPT + iface_name
    iface_script_bk = os.path.join(data_dir.get_tmp_dir(),
                                   "iface-%s.bk" % iface_name)
    attach_interface = "yes" == params.get("attach_interface", "no")
    iface_model = params.get("iface_model", "virtio")
    iface_source = eval(params.get("iface_source", "{'bridge':'test_br0'}"))
    iface_type = params.get("iface_type", None)
    iface_target = params.get("iface_target", "br_target")
    iface_alias = params.get("iface_alias", None)
    hotplug = "yes" == params.get("hotplug", "no")
    iface_driver = params.get("iface_driver", None)
    start_vm2 = "yes" == params.get("start_vm2", "no")
    create_network = "yes" == params.get("create_network", "no")
    update_device = "yes" == params.get("update_with_diff_type", "no")

    vms = params.get("vms").split()
    if len(vms) <= 1:
        test.cancel("Need two VMs to test")
    else:
        vm1_name = vms[0]
        vm2_name = vms[1]

    vm1 = env.get_vm(vm1_name)
    vm2 = env.get_vm(vm2_name)

    # Back up the interface script
    process.run("cp %s %s" % (iface_script, iface_script_bk),
                shell=True,
                verbose=True)
    # Back up vm xml
    vm1_xml_bak = vm_xml.VMXML.new_from_dumpxml(vm1_name)
    vm2_xml_bak = vm_xml.VMXML.new_from_dumpxml(vm2_name)

    # Stop NetworkManager service
    NM_service = service.Factory.create_service("NetworkManager")
    NM_status = NM_service.status()
    if not NM_status:
        NM_service.start()
    mac = utils_net.generate_mac_address_simple()

    try:
        create_bridge(bridge_name, iface_name)
        define_nwfilter(filter_name)
        if hotplug:
            err_msgs = ("No more available PCI slots",
                        "No more available PCI addresses")
            # delete the original interface on the vm before hot-plug
            if vm1.is_alive():
                vm1.destroy()
            vmxml = vm_xml.VMXML.new_from_dumpxml(vm1_name)
            iface_xml = vmxml.get_devices('interface')[0]
            logging.debug("Delete the original interface")
            vmxml.del_device(iface_xml)
            vmxml.sync()
            vm1.start()
            # do hot-plug
            if attach_interface:
                logging.info("Try to hot-plug interface")
                options = (
                    "%s %s --model %s --mac %s" %
                    (iface_type, iface_source['bridge'], iface_model, mac))
                ret = virsh.attach_interface(vm1_name,
                                             options,
                                             ignore_status=True)
            else:
                logging.info("Try to hot-plug device")
                if create_network:
                    create_bridge_network(bridge_name, iface_source["network"])
                target = str({'dev': iface_target})
                iface_alias = str({'name': iface_alias})
                vm_iface_source = str(iface_source)
                iface_params = {
                    "type": iface_type,
                    "source": vm_iface_source,
                    "filter": filter_name,
                    "mac": mac,
                    'alias': iface_alias,
                    'target': target,
                    'model': iface_model,
                    'driver': iface_driver
                }
                attach_xml = interface.Interface(iface_params['type'])
                attach_xml.xml = libvirt.modify_vm_iface(
                    vm1_name, 'get_xml', iface_params)
                ret = virsh.attach_device(vm1_name,
                                          attach_xml.xml,
                                          ignore_status=True,
                                          debug=True)
            if ret.exit_status:
                if any([msg in ret.stderr for msg in err_msgs]):
                    test.error("No more pci slots, can't attach more devices")
                else:
                    test.fail("Failed to attach-interface: %s" %
                              ret.stderr.strip())
            else:
                logging.debug("Hot-plug interface or device pass")
                if update_device:
                    # As the interface type will change to actual type "bridge" in live xml, we need to ensure
                    # the update with original "network" type will not fail.
                    # Try to delete the nwfilter with original type in iface_params
                    update_xml = interface.Interface(iface_type)
                    iface_params_update = {
                        "del_filter": "yes",
                        "type": "network",
                        "source": vm_iface_source
                    }
                    update_xml.xml = libvirt.modify_vm_iface(
                        vm1_name, 'get_xml', iface_params_update)
                    ret = virsh.update_device(vm1_name,
                                              update_xml.xml,
                                              ignore_status=True,
                                              debug=True)
                    libvirt.check_exit_status(ret)

        else:
            vm_iface_source = str(iface_source)
            vm1_iface_params = {
                "type": "bridge",
                "source": vm_iface_source,
                "filter": filter_name,
                "mac": mac,
                'driver': iface_driver,
                "iface_model": iface_model
            }
            libvirt.modify_vm_iface(vm1_name, "update_iface", vm1_iface_params)

            if vm1.is_alive():
                vm1.destroy()

            vm1.start()
        # apply ip address as it may not be initialized
        session1 = session2 = None
        session1 = vm1.wait_for_serial_login()
        utils_net.restart_guest_network(session1)
        output = session1.cmd_output("ifconfig || ip a")
        logging.debug("guest1 ip info %s" % output)

        # Check guest's network function
        host_ip = utils_net.get_ip_address_by_interface(bridge_name)
        remote_url = params.get("remote_ip", "www.google.com")

        try:
            vm1_ip = utils_net.get_guest_ip_addr(session1, mac)
        except Exception as errs:
            test.fail("vm1 can't get IP with the new create bridge: %s" % errs)
        if hotplug:
            # reboot vm1 then check network function to ensure the interface still there and works fine
            logging.info("reboot the vm")
            virsh.reboot(vm1)
            if session1 is None:
                session1 = vm1.wait_for_serial_login()
            ping(vm1_ip,
                 remote_url,
                 ping_count,
                 ping_timeout,
                 session=session1)
            # restart libvirtd service then check the interface still works fine
            libvirtd = utils_libvirtd.Libvirtd()
            libvirtd.restart()
            vm1.cleanup_serial_console()
            vm1.create_serial_console()
            session1 = vm1.wait_for_serial_login()
            ping(vm1_ip,
                 remote_url,
                 ping_count,
                 ping_timeout,
                 session=session1)
            logging.info(
                "after reboot and restart libvirtd, the network works fine")
            if iface_driver:
                try:
                    driver_dict = eval(iface_driver)
                    if session1 is None:
                        session1 = vm1.wait_for_serial_login()
                    guest_iface_info = session1.cmd_output("ip l").strip()
                    guest_iface_name = re.findall(
                        r"^\d+: (\S+?)[@:].*state UP.*$", guest_iface_info,
                        re.MULTILINE)[0]
                    comb_size = driver_dict.get('queues')
                    rx_size = driver_dict.get('rx_queue_size')
                    session1.cmd_status("ethtool -L %s combined %s" %
                                        (guest_iface_name, comb_size))
                    ret, outp = session1.cmd_status_output("ethtool -l %s" %
                                                           guest_iface_name)
                    logging.debug("ethtool cmd output:%s" % outp)
                    if not ret:
                        pre_comb = re.search(
                            "Pre-set maximums:[\s\S]*?Combined:.*?(\d+)",
                            outp).group(1)
                        cur_comb = re.search(
                            "Current hardware settings:[\s\S]*?Combined:.*?(\d+)",
                            outp).group(1)
                        if int(pre_comb) != int(comb_size) or int(
                                cur_comb) != int(comb_size):
                            test.fail(
                                "Fail to check the combined size: setting: %s,"
                                "Pre-set: %s, Current-set: %s" %
                                (comb_size, pre_comb, cur_comb))
                        else:
                            logging.info(
                                "Getting correct Pre-set and Current set value"
                            )
                    else:
                        test.error("ethtool list fail: %s" % outp)
                    # as tx_queue size is only supported for vhost-user interface, only check rx_queue size
                    ret1, outp1 = session1.cmd_status_output("ethtool -g %s" %
                                                             guest_iface_name)
                    logging.debug("guest queue size setting is %s" % outp1)
                    if not ret1:
                        pre_set = re.search(r"Pre-set maximums:\s*RX:\s*(\d+)",
                                            outp1).group(1)
                        cur_set = re.search(
                            r"Current hardware settings:\s*RX:\s*(\d+)",
                            outp1).group(1)
                        if int(pre_set) != int(rx_size) or int(cur_set) != int(
                                rx_size):
                            test.fail("Fail to check the rx_queue_size!")
                except Exception as errs:
                    test.fail("fail to get driver info")
            # hot-unplug interface/device
            if attach_interface:
                ret = virsh.detach_interface(vm1_name,
                                             "bridge",
                                             ignore_status=True)
            else:
                ret = virsh.detach_device(vm1_name,
                                          attach_xml.xml,
                                          ignore_status=True,
                                          debug=True)
            if ret.exit_status:
                test.fail("Hot-unplug interface/device fail")
            else:
                logging.info("hot-unplug interface/device succeed")

        else:
            if start_vm2:
                # Start vm2 connect to the same bridge
                mac2 = utils_net.generate_mac_address_simple()
                vm2_iface_params = {
                    "type": "bridge",
                    "source": vm_iface_source,
                    "filter": filter_name,
                    "mac": mac2
                }
                libvirt.modify_vm_iface(vm2_name, "update_iface",
                                        vm2_iface_params)
                if vm2.is_alive():
                    vm2.destroy()
                vm2.start()

                # Check if vm1 and vm2 can ping each other
                try:
                    utils_net.update_mac_ip_address(vm2, timeout=120)
                    vm2_ip = vm2.get_address()
                except Exception as errs:
                    test.fail(
                        "vm2 can't get IP with the new create bridge: %s" %
                        errs)
                session2 = vm2.wait_for_login()
                # make sure guest has got ip address
                utils_net.restart_guest_network(session2)
                output2 = session2.cmd_output("ifconfig || ip a")
                logging.debug("guest ip info %s" % output2)
                # check 2 guests' network functions
                check_net_functions(vm1_ip, ping_count, ping_timeout, session1,
                                    host_ip, remote_url, vm2_ip)
                check_net_functions(vm2_ip, ping_count, ping_timeout, session2,
                                    host_ip, remote_url, vm1_ip)

    finally:
        logging.debug("Start to restore")
        vm1_xml_bak.sync()
        vm2_xml_bak.sync()
        virsh.nwfilter_undefine(filter_name, ignore_status=True)
        if libvirt.check_iface(bridge_name, "exists", "--all"):
            virsh.iface_unbridge(bridge_name, timeout=60, debug=True)
        if os.path.exists(iface_script_bk):
            process.run("mv %s %s" % (iface_script_bk, iface_script),
                        shell=True,
                        verbose=True)
        if os.path.exists(bridge_script):
            process.run("rm -rf %s" % bridge_script, shell=True, verbose=True)
        cmd = 'tmux -c "ip link set {1} nomaster;  ip link delete {0};' \
              'pkill dhclient; sleep 6; dhclient {1}"'.format(bridge_name, iface_name)
        process.run(cmd, shell=True, verbose=True)
        # reload network configuration
        NM_service.restart()
        # recover NetworkManager
        if NM_status is True:
            NM_service.start()
        if 'network' in iface_source and iface_source[
                "network"] in virsh.net_state_dict():
            virsh.net_destroy(iface_source["network"], ignore_status=False)
Esempio n. 24
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def run(test, params, env):
    """
    Test start domain with nwfilter rules.

    1) Prepare parameters.
    2) Prepare nwfilter rule and update domain interface to apply.
    3) Start domain and check rule.
    4) Clean env
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    bug_url = params.get("bug_url", "")
    vm_name = params.get("main_vm")

    if not libvirt_version.version_compare(1, 2, 6):
        raise error.TestNAError("Bug %s not fixed on current build" % bug_url)

    vm = env.get_vm(vm_name)
    # Prepare vm filterref parameters dict list
    filterref_dict = {}
    filterref_dict['name'] = filter_name

    # backup vm and filter xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    backup_filter = libvirt_xml.NwfilterXML()
    filterxml = backup_filter.new_from_filter_dumpxml(filter_name)
    libvirtd = utils_libvirtd.LibvirtdSession()

    def nwfilter_sync_loop(filter_name, filerxml):
        """
        Undefine filter and redefine filter from xml in loop
        """
        for i in range(2400):
            virsh.nwfilter_undefine(filter_name, ignore_status=True)
            time.sleep(0.1)
            virsh.nwfilter_define(filterxml.xml, ignore_status=True)

    def vm_start_destory_loop(vm):
        """
        Start and destroy vm in loop
        """
        for i in range(2400):
            vm.start()
            time.sleep(0.1)
            vm.destroy(gracefully=False)

    try:
        libvirtd.start()
        # Update first vm interface with filter
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()

        filter_thread = threading.Thread(target=nwfilter_sync_loop,
                                         args=(filter_name, filterxml))
        vm_thread = threading.Thread(target=vm_start_destory_loop,
                                     args=(vm,))
        filter_thread.start()
        time.sleep(0.3)
        vm_thread.start()

        ret = utils_misc.wait_for(lambda: not libvirtd.is_working(),
                                  timeout=240,
                                  step=1)

        filter_thread.join()
        vm_thread.join()
        if ret:
            raise error.TestFail("Libvirtd hang, %s" % bug_url)

    finally:
        libvirtd.exit()
        # Clean env
        if vm.is_alive():
            vm.destroy(gracefully=False)
        # Recover xml of vm and filter.
        vmxml_backup.sync()
        virsh.nwfilter_undefine(filter_name, ignore_status=True)
        virsh.nwfilter_define(filterxml.xml, ignore_status=True)
Esempio n. 25
0
def run(test, params, env):
    """
    Test update filter rules when domain is running.

    1) Prepare parameters.
    2) Add filter to domain interface.
    3) Start domain.
    4) Update filter rule and check
    5) Cleanup
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    check_cmd = params.get("check_cmd")
    expect_match = params.get("expect_match")
    check_vm_cmd = params.get("check_vm_cmd")
    vm_expect_match = params.get("vm_expect_match")
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    filterref_dict = {}
    filterref_dict['name'] = filter_name

    # backup vm xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    new_filter = libvirt_xml.NwfilterXML()
    filter_backup = new_filter.new_from_filter_dumpxml(filter_name)

    def clean_up_dirty_nwfilter_binding():
        cmd_result = virsh.nwfilter_binding_list(debug=True)
        binding_list = cmd_result.stdout_text.strip().splitlines()
        binding_list = binding_list[2:]
        result = []
        # If binding list is not empty.
        if binding_list:
            for line in binding_list:
                # Split on whitespace, assume 1 column
                linesplit = line.split(None, 1)
                result.append(linesplit[0])
        logging.info("nwfilter binding list is: %s", result)
        for binding_uuid in result:
            try:
                virsh.nwfilter_binding_delete(binding_uuid)
            except Exception as e:
                logging.error(
                    "Exception thrown while undefining nwfilter-binding: %s",
                    str(e))
                raise

    try:
        # Clean up dirty nwfilter binding if there are.
        clean_up_dirty_nwfilter_binding()
        # Update first vm interface with filter
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()

        # Start vm
        vm.start()
        session = vm.wait_for_login()
        vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        iface_target = iface_xml.target['dev']
        logging.debug("iface target dev name is %s", iface_target)

        # Update filter rule by nwfilter-define
        filterxml = utlv.create_nwfilter_xml(params)

        # Define filter xml
        virsh.nwfilter_define(filterxml.xml, debug=True)

        # Check ebtables on host after filter update
        if "DEVNAME" in check_cmd:
            check_cmd = check_cmd.replace("DEVNAME", iface_target)
        ret = utils_misc.wait_for(lambda: not process.system(
            check_cmd, ignore_status=True, shell=True),
                                  timeout=30)
        if not ret:
            test.fail("Rum command '%s' failed" % check_cmd)
        out = astring.to_text(
            process.system_output(check_cmd, ignore_status=False, shell=True))
        if expect_match and not re.search(expect_match, out):
            test.fail("'%s' not found in output: %s" % (expect_match, out))

        # Check in vm
        if check_vm_cmd:
            output = session.cmd_output(check_vm_cmd)
            logging.debug("cmd output: %s", output)
            if vm_expect_match and not re.search(vm_expect_match, output):
                test.fail("'%s' not found in output: %s" %
                          (vm_expect_match, output))
    finally:
        # Clean env
        if vm.is_alive():
            vm.destroy(gracefully=False)
        # Recover xml of vm.
        vmxml_backup.sync()
        # Restore created filter
        virsh.nwfilter_undefine(filter_name, debug=True)
        virsh.nwfilter_define(filter_backup.xml, debug=True)
Esempio n. 26
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def run(test, params, env):
    """
    Test start domain with nwfilter rules.

    1) Prepare parameters.
    2) Prepare nwfilter rule and update domain interface to apply.
    3) Start domain and check rule.
    4) Clean env
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    exist_filter = params.get("exist_filter", "no-mac-spoofing")
    status_error = "yes" == params.get("status_error", "no")
    mount_noexec_tmp = "yes" == params.get("mount_noexec_tmp", "no")
    kill_libvirtd = "yes" == params.get("kill_libvirtd", "no")
    bug_url = params.get("bug_url", "")
    ipset_command = params.get("ipset_command")
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    username = params.get("username")
    password = params.get("password")
    need_vm2 = "yes" == params.get("need_vm2", "no")
    add_vm_name = params.get("add_vm_name", "vm2")
    vms = [vm]
    dst_outside = params.get("dst_outside", "www.google.com")
    ping_timeout = int(params.get("ping_timeout", "10"))

    # Prepare vm filterref parameters dict list
    filter_param_list = []
    params_key = []
    for i in params.keys():
        if 'parameter_name_' in i:
            params_key.append(i)
    params_key.sort()
    for i in range(len(params_key)):
        params_dict = {}
        params_dict['name'] = params[params_key[i]]
        params_dict['value'] = params['parameter_value_%s' % i]
        if params_dict['value'] == "MAC_of_virbr0":
            virbr0_info = process.run("ip a | grep virbr0: -A1",
                                      shell=True).stdout_text.strip()
            virbr0_mac = re.search(
                r'link/ether\s+(\w{2}:\w{2}:\w{2}:\w{2}:\w{2}:\w{2})',
                virbr0_info, re.M | re.I).group(1)
            params_dict['value'] = virbr0_mac
            logging.debug("params_dict['value'] is %s " % params_dict['value'])
        filter_param_list.append(params_dict)
    filterref_dict = {}
    filterref_dict['name'] = filter_name
    filterref_dict['parameters'] = filter_param_list
    params['filter_uuid'] = process.run("uuidgen",
                                        ignore_status=True,
                                        shell=True).stdout_text.strip()

    # get all the check commands and corresponding expected results form config file and make a dictionary
    cmd_list_ = params.get('check_cmd', '')
    if cmd_list_:
        cmd_list = cmd_list_.split(',')
        expect_res = params.get('expect_match', '').split(',')
        logging.debug("cmd_list is %s" % cmd_list)
        logging.debug("expect_res is %s" % expect_res)
        cmd_result_dict = dict(zip(cmd_list, expect_res))
        logging.debug("the check dict is %s" % cmd_result_dict)
    # backup vm xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)

    libvirtd = utils_libvirtd.Libvirtd("virtqemud")
    device_name = None

    def check_nwfilter_rules(check_cmd, expect_match):
        """"check the nwfilter corresponding rule is added by iptables commands"""
        ret = utils_misc.wait_for(lambda: not process.system(
            check_cmd, ignore_status=True, shell=True),
                                  timeout=30)
        if not ret:
            test.fail("Rum command '%s' failed" % check_cmd)
        # This change anchors nwfilter_vm_start.possitive_test.new_filter.variable_notation case
        # The matched destination could be ip address or hostname
        if "iptables -L" in check_cmd and expect_match and 'ACCEPT' in expect_match:
            # ip address that need to be replaced
            replace_param = params.get("parameter_value_2")
            # Get hostname by ip address.
            hostname_info = None
            try:
                hostname_info = socket.gethostbyaddr(replace_param)
            except socket.error as e:
                logging.info(
                    "Failed to get hostname from ip address with error: %s",
                    str(e))
            if hostname_info:
                # String is used to replace ip address
                replace_with = "%s|%s" % (replace_param, hostname_info[0])
                expect_match = r"%s" % expect_match.replace(
                    replace_param, replace_with)
                logging.debug("final iptables match string:%s", expect_match)
        out = astring.to_text(
            process.system_output(check_cmd, ignore_status=False, shell=True))
        if expect_match and not re.search(expect_match, out):
            test.fail("'%s' not found in output: %s" % (expect_match, out))

    def clean_up_dirty_nwfilter_binding():
        cmd_result = virsh.nwfilter_binding_list(debug=True)
        binding_list = cmd_result.stdout_text.strip().splitlines()
        binding_list = binding_list[2:]
        result = []
        # If binding list is not empty.
        if binding_list:
            for line in binding_list:
                # Split on whitespace, assume 1 column
                linesplit = line.split(None, 1)
                result.append(linesplit[0])
        logging.info("nwfilter binding list is: %s", result)
        for binding_uuid in result:
            try:
                virsh.nwfilter_binding_delete(binding_uuid)
            except Exception as e:
                logging.error(
                    "Exception thrown while undefining nwfilter-binding: %s",
                    str(e))
                raise

    try:
        # Clean up dirty nwfilter binding if there are.
        clean_up_dirty_nwfilter_binding()
        rule = params.get("rule")
        if rule:
            # Add pre-check whether nwfilter exists or not since
            # utlv.create_nwfilter_xml will fail if there is no any nwfilter exists
            nwfilter_list = libvirt_nwfilter.get_nwfilter_list()
            if not nwfilter_list:
                test.error("There is no any nwfilter existed on the host")
            # Create new filter xml
            filterxml = utlv.create_nwfilter_xml(params)
            # Define filter xml
            virsh.nwfilter_define(filterxml.xml, debug=True)

        # Update first vm interface with filter
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()

        if mount_noexec_tmp:
            device_name = utlv.setup_or_cleanup_iscsi(is_setup=True)
            utlv.mkfs(device_name, 'ext4')
            cmd = "mount %s /tmp -o noexec,nosuid" % device_name
            process.run(cmd, shell=True)

        if ipset_command:
            pkg = "ipset"
            if not utils_package.package_install(pkg):
                test.cancel("Can't install ipset on host")
            process.run(ipset_command, shell=True)

        # Run command
        try:
            vm.start()
            if not mount_noexec_tmp:
                vm.wait_for_serial_login(username=username, password=password)
            vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
            iface_xml = vmxml.get_devices('interface')[0]
            iface_target = iface_xml.target['dev']
            iface_mac = iface_xml.mac_address
            logging.debug("iface target dev name is %s", iface_target)

            # Check iptables or ebtables on host
            if need_vm2:
                # Clone more vm for testing
                result = virsh.dom_list('--inactive').stdout_text
                if add_vm_name in result:
                    logging.debug("%s is already exists!" % add_vm_name)
                    vms.append(env.get_vm(add_vm_name))
                else:
                    vm.destroy()
                    ret_clone = utils_libguestfs.virt_clone_cmd(vm_name,
                                                                add_vm_name,
                                                                True,
                                                                timeout=360)
                    if ret_clone.exit_status:
                        test.fail("Error when clone a second vm!")
                    vms.append(vm.clone(add_vm_name))
                    vm.start()
                vm2 = vms[1]
                logging.debug("Now the vms is: %s", [dom.name for dom in vms])
                # update the vm2 interface with the nwfilter
                logging.debug("filter_params_list is %s" % filter_param_list)
                iface_dict = {
                    "filter": filter_name,
                    "filter_parameters": filter_param_list,
                    "del_mac": True
                }
                if vm2.is_alive():
                    vm2.destroy()
                utlv.modify_vm_iface(vm2.name, "update_iface", iface_dict)
                vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm2.name)
                iface_xml = vmxml.get_devices('interface')[0]
                logging.debug("iface_xml for vm2 is %s" % iface_xml)
                vm2.start()
                vm2_session = vm2.wait_for_serial_login()
                vm2_mac = vm2.get_mac_address()
                vm2_ip = utils_net.get_guest_ip_addr(vm2_session, vm2_mac)
                vm.session = vm.wait_for_serial_login()
                # test network functions, the 2 vms can not access to each other
                gateway_ip = utils_net.get_ip_address_by_interface("virbr0")
                status1, output1 = utils_net.ping(dest=vm2_ip,
                                                  count='3',
                                                  timeout=ping_timeout,
                                                  session=vm.session,
                                                  force_ipv4=True)
                status2, output2 = utils_net.ping(dest=gateway_ip,
                                                  count='3',
                                                  timeout=ping_timeout,
                                                  session=vm.session,
                                                  force_ipv4=True)
                status3, output3 = utils_net.ping(dest=dst_outside,
                                                  count='3',
                                                  timeout=ping_timeout,
                                                  session=vm.session,
                                                  force_ipv4=True)
                if not status1:
                    test.fail(
                        "vm with clean-traffic-gateway ping succeed to %s %s, but it is not expected!"
                        % (vm2.name, vm2_ip))
                if status2 or status3:
                    test.fail("vm ping failed! check %s \n %s" %
                              (output2, output3))
            if cmd_list_:
                loop = 0
                for check_cmd_, expect_match_ in cmd_result_dict.items():
                    check_cmd = check_cmd_.strip()
                    expect_match = expect_match_.strip()
                    if "DEVNAME" in check_cmd:
                        check_cmd = check_cmd.replace("DEVNAME", iface_target)
                    if "VMMAC" in expect_match:
                        expect_match = expect_match.replace("VMMAC", iface_mac)
                    logging.debug(
                        "the check_cmd is %s, and expected result is %s" %
                        (check_cmd, expect_match))
                    check_nwfilter_rules(check_cmd, expect_match)
                    loop += 1
        except virt_vm.VMStartError as e:
            # Starting VM failed.
            if not status_error:
                test.fail("Test failed in positive case.\n error:"
                          " %s\n%s" % (e, bug_url))

        if kill_libvirtd:
            daemon_name = libvirtd.service_name
            pid = process.run('pidof %s' % daemon_name,
                              shell=True).stdout_text.strip()
            cmd = "kill -s TERM %s" % pid
            process.run(cmd, shell=True)
            ret = utils_misc.wait_for(lambda: not libvirtd.is_running(),
                                      timeout=30)
            # After libvirt 5.6.0, libvirtd is using systemd socket activation by default
            if not ret and not libvirt_version.version_compare(5, 6, 0):
                test.fail("Failed to kill libvirtd. %s" % bug_url)

    finally:
        if kill_libvirtd:
            libvirtd.restart()
        # Clean env
        if vm.is_alive():
            vm.destroy(gracefully=False)
        # Recover xml of vm.
        vmxml_backup.sync()
        # Undefine created filter except clean-traffic as it is built-in nwfilter
        if filter_name != exist_filter and filter_name != 'clean-traffic':
            virsh.nwfilter_undefine(filter_name, debug=True)
        if mount_noexec_tmp:
            if device_name:
                process.run("umount -l %s" % device_name,
                            ignore_status=True,
                            shell=True)
            utlv.setup_or_cleanup_iscsi(is_setup=False)
        if ipset_command:
            process.run("ipset destroy blacklist", shell=True)
        # Remove additional vms
        if need_vm2:
            result = virsh.dom_list("--all").stdout_text
            if add_vm_name in result:
                virsh.remove_domain(add_vm_name, "--remove-all-storage")
def run(test, params, env):
    """
    Test virsh nwfilter-binding-list

    1)Prepare parameters
    2)Run nwfilter_binding_list command
    3)check result
    4)Clean env
    """
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    new_filter_1 = params.get("newfilter_1")
    new_filter_2 = params.get("newfilter_2")
    vmxml_backup = libvirt_xml.vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    new_net0_xml = os.path.join(data_dir.get_tmp_dir(), "new_net0.xml")
    new_net1_xml = os.path.join(data_dir.get_tmp_dir(), "new_net1.xml")
    option = params.get("option")
    status_error = "yes" == params.get("status_error")
    alias_name = params.get("alias_name")
    new_filter_name = params.get("new_filter_name")
    source_network = params.get("source_network")
    # prepare vm filterrfer parameters dict list
    filter_param_list_1 = []
    params_key_1 = []
    filter_param_list_2 = []
    params_key_2 = []
    for i in params.keys():
        if 'parameters_name_' in i:
            params_key_1.append(i)
    params_key_1.sort()
    for i in range(len(params_key_1)):
        params_dict = {}
        params_dict['name'] = params[params_key_1[i]]
        params_dict['value'] = params['parameters_value_%s' % i]
        filter_param_list_1.append(params_dict)
    filterref_dict_1 = {}
    filterref_dict_1['name'] = new_filter_1
    filterref_dict_1['parameters'] = filter_param_list_1

    for i in params.keys():
        if 'parameters_dhcp_' in i:
            params_key_2.append(i)
    params_key_2.sort()
    for i in range(len(params_key_2)):
        params_dict = {}
        params_dict['name'] = params[params_key_2[i]]
        params_dict['value'] = params['dhcp_value_%s' % i]
        filter_param_list_2.append(params_dict)
    filterref_dict_2 = {}
    filterref_dict_2['name'] = new_filter_2
    filterref_dict_2['parameters'] = filter_param_list_2

    def set_env():
        """
        set two interface with different network filter
        and change interface type
        """
        # Add enough PCI to attach interface
        libvirt_pcicontr.reset_pci_num(vm_name)
        virsh.attach_interface(vm_name, option, debug=True)
        vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
        logging.debug("Guest xml is {}".format(vmxml))
        devices = vmxml.get_devices('interface')
        iface_xml = devices[0]
        iface_xml_2 = devices[1]
        vmxml.del_device(iface_xml)
        vmxml.del_device(iface_xml_2)
        new_iface_1 = interface.Interface('network')
        new_iface_2 = interface.Interface('network')
        new_iface_1.xml = iface_xml.xml
        new_iface_2.xml = iface_xml_2.xml
        new_iface_1.type_name = "network"
        new_iface_2.type_name = "network"
        new_iface_1.source = {'network': source_network}
        new_iface_2.source = {'network': source_network}
        new_iface_1.target = {'dev': 'new_net0'}
        new_iface_2.target = {'dev': 'new_net1'}
        new_filterref = new_iface_1.new_filterref(**filterref_dict_1)
        new_iface_1.filterref = new_filterref
        new_filterref = new_iface_2.new_filterref(**filterref_dict_2)
        new_iface_2.filterref = new_filterref
        logging.debug("new interface xml is: %s \n %s" %
                      (new_iface_1, new_iface_2))
        vmxml.add_device(new_iface_1)
        vmxml.add_device(new_iface_2)
        vmxml.sync()
        return new_iface_1, new_iface_2

    try:
        new_iface_1, new_iface_2 = set_env()
        # start vm
        virsh.start(vm_name, debug=True)
        # list binding port dev
        ret = virsh.nwfilter_binding_list(debug=True)
        utlv.check_exit_status(ret, status_error)
        virsh.nwfilter_binding_dumpxml(new_iface_1.target['dev'],
                                       to_file=new_net0_xml,
                                       debug=True)
        virsh.nwfilter_binding_dumpxml(new_iface_2.target['dev'],
                                       to_file=new_net1_xml,
                                       debug=True)
        # check dump filterbinding can pass xml validate
        new_net0_cmd = "virt-xml-validate %s" % new_net0_xml
        new_net1_cmd = "virt-xml-validate %s" % new_net1_xml
        valid_0 = process.run(new_net0_cmd, ignore_status=True,
                              shell=True).exit_status
        valid_1 = process.run(new_net1_cmd, ignore_status=True,
                              shell=True).exit_status
        if valid_0 or valid_1:
            test.fail("the xml can not validate successfully")
        # create new xml and update device
        newnet_iface = interface.Interface('network')
        newnet_iface.xml = new_iface_1.xml
        filterref_list = []
        filterref_dict = {}
        filterref_dict['name'] = new_filter_name
        filterref_dict['parameters'] = filterref_list
        newnet_iface.alias = {'name': alias_name}
        newnet_iface.filterref = newnet_iface.new_filterref(**filterref_dict)

        ret = virsh.update_device(domainarg=vm_name,
                                  filearg=newnet_iface.xml,
                                  debug=True)
        utlv.check_exit_status(ret, status_error)
        ret_list = virsh.nwfilter_binding_list(debug=True)
        utlv.check_result(ret_list, expected_match="new_net1")

        ret_dump = virsh.nwfilter_binding_dumpxml('new_net0', debug=True)
        utlv.check_result(ret_dump, expected_match=new_filter_name)

    finally:
        if vm.is_alive():
            vm.destroy(gracefully=False)
        vmxml_backup.sync()
Esempio n. 28
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def run(test, params, env):
    """
    Test network/interface function on 2 vms:

        - Test settings on 2 vms
        - Run ping check on 2 vms including pinging each other
        ...

    """
    vms = params.get('vms').split()
    vm_list = [env.get_vm(v_name) for v_name in vms]
    if len(vm_list) != 2:
        test.cancel('More or less than 2 vms is currently unsupported')

    feature = params.get('feature', '')
    case = params.get('case', '')
    check_ping = 'yes' == params.get('check_ping')
    expect_ping_host = 'yes' == params.get('expect_ping_host', 'no')
    expect_ping_out = 'yes' == params.get('expect_ping_out', 'no')
    expect_ping_vm = 'yes' == params.get('expect_ping_vm', 'no')
    out_ip = params.get('out_ip', 'www.redhat.com')
    live_update = 'yes' == params.get('live_update', 'no')
    set_all = 'yes' == params.get('set_all', 'no')

    rand_id = '_' + utils_misc.generate_random_string(3)
    bridge_name = params.get('bridge_name', 'test_br0') + rand_id
    iface_name = utils_net.get_net_if(state="UP")[0]
    test_net = 'net_isolated' + rand_id
    bridge_created = False

    vmxml_backup_list = []
    for vm_i in vm_list:
        vmxml_backup_list.append(vm_xml.VMXML.new_from_inactive_dumpxml(vm_i.name))

    try:
        # Test feature: port isolated
        if feature == 'port_isolated':
            if not libvirt_version.version_compare(6, 2, 0):
                test.cancel('Libvirt version should be'
                            ' > 6.2.0 to support port isolated')

            if case.startswith('set_iface'):
                create_bridge(bridge_name, iface_name)
                bridge_created = True
                iface_type = case.split('_')[-1]
                if iface_type == 'network':
                    net_dict = {'net_forward': "{'mode': 'bridge'}",
                                'net_bridge': "{'name': '%s'}" % bridge_name}
                    prepare_network(test_net, **net_dict)
                    updated_iface_dict = {
                        'type': iface_type,
                        'source': "{'network': '%s'}" % test_net,
                    }
                elif iface_type == 'bridge':
                    updated_iface_dict = {
                        'type': iface_type,
                        'source': "{'bridge': '%s'}" % bridge_name,
                    }
                else:
                    test.error('Unsupported iface type: %s' % iface_type)

                # Set 2 vms to isolated=yes or set one to 'yes', the other to 'no'
                isolated_settings = ['yes'] * 2 if set_all else ['yes', 'no']
                for i in (0, 1):
                    vm_i = vm_list[i]
                    new_iface_dict = dict(
                        list(updated_iface_dict.items()) +
                        [('port', "{'isolated': '%s'}" % isolated_settings[i])]
                    )
                    libvirt.modify_vm_iface(vm_i.name, 'update_iface',
                                            new_iface_dict)
                    logging.debug(virsh.dumpxml(vm_i.name).stdout_text)

            if case == 'update_iface':
                if params.get('iface_port'):
                    iface_dict = {'port': params['iface_port']}
                    for vm_i in vm_list:
                        libvirt.modify_vm_iface(vm_i.name, 'update_iface', iface_dict)
                        logging.debug(virsh.dumpxml(vm_i.name).stdout_text)
                if live_update:
                    for vm_i in vm_list:
                        vm_i.start()

                # Test Update iface with new attrs
                new_iface_dict = {}
                if params.get('new_iface_port'):
                    new_iface_dict['port'] = params['new_iface_port']
                elif params.get('del_port') == 'yes':
                    new_iface_dict['del_port'] = True
                for vm_i in vm_list:
                    updated_iface = libvirt.modify_vm_iface(vm_i.name, 'get_xml', new_iface_dict)
                    result = virsh.update_device(vm_i.name, updated_iface, debug=True)
                    libvirt.check_exit_status(result)

            if case == 'attach_iface':
                new_ifaces = {}
                for vm_i in vm_list:
                    # Create iface xml to be attached
                    new_iface = interface.Interface('network')
                    new_iface.xml = libvirt.modify_vm_iface(
                        vm_i.name, 'get_xml',
                        {'port': params.get('new_iface_port')}
                    )
                    new_ifaces[vm_i.name] = new_iface

                    # Remove current ifaces on vm
                    vmxml_i = vm_xml.VMXML.new_from_inactive_dumpxml(vm_i.name)
                    vmxml_i.remove_all_device_by_type('interface')
                    vmxml_i.sync()
                    logging.debug(virsh.dumpxml(vm_i.name).stdout_text)

                    # Start vm for hotplug
                    vm_i.start()
                    session = vm_i.wait_for_serial_login()

                    # Hotplug iface
                    virsh.attach_device(vm_i.name, new_iface.xml, debug=True, ignore_status=False)

                    # Wait a few seconds for interface to be fully attached
                    time.sleep(5)
                    ip_l_before = session.cmd_output('ip l')
                    logging.debug(ip_l_before)
                    session.close()

            if case == 'set_network':
                create_bridge(bridge_name, iface_name)
                bridge_created = True
                net_dict = {
                    'net_forward': "{'mode': 'bridge'}",
                    'net_bridge': "{'name': '%s'}" % bridge_name,
                    'net_port': "{'isolated': '%s'}" % params.get(
                        'net_isolated', 'yes')}
                prepare_network(test_net, **net_dict)

                # Modify iface to connect to newly added network
                updated_iface_dict = {'type': 'network',
                                      'source': "{'network': '%s'}" % test_net}
                for vm_i in vm_list:
                    libvirt.modify_vm_iface(vm_i.name, 'update_iface',
                                            updated_iface_dict)
                    logging.debug(virsh.domiflist(vm_i.name).stdout_text)

        # Check ping result from vm session to host, outside, the other vm
        if check_ping:
            for vm_i in vm_list:
                if vm_i.is_dead():
                    vm_i.start()
            host_ip = utils_net.get_host_ip_address()
            ping_expect = {
                host_ip: expect_ping_host,
                out_ip: expect_ping_out,
            }

            # A map of vm session and vm's ip addr
            session_n_ip = {}
            for vm_i in vm_list:
                mac = vm_i.get_mac_address()
                sess = vm_i.wait_for_serial_login()
                vm_ip = utils_net.get_guest_ip_addr(sess, mac)
                session_n_ip[sess] = vm_ip
                logging.debug('Vm %s ip: %s', vm_i.name, vm_ip)

            # Check ping result from each vm's session
            for i in (0, 1):
                sess = list(session_n_ip.keys())[i]
                another_sess = list(session_n_ip.keys())[1 - i]
                ping_expect[session_n_ip[another_sess]] = expect_ping_vm
                if not ping_func(sess, **ping_expect):
                    test.fail('Ping check failed')
                # Remove the other session's ip from ping result, then the
                # next round of ping check will not do a ping check to the vm itself
                ping_expect.pop(session_n_ip[another_sess])

        # Some test steps after ping check
        if feature == 'port_isolated':
            if case == 'attach_iface':
                # Test detach of iface
                for vm_name_i in new_ifaces:
                    virsh.detach_device(
                        vm_name_i,
                        new_ifaces[vm_name_i].xml,
                        wait_for_event=True,
                        debug=True, ignore_status=False
                    )

                # Check whether iface successfully detached by checking 'ip l' output
                for vm_i in vm_list:
                    session = vm_i.wait_for_serial_login()
                    ip_l_after = session.cmd_output('ip l')
                    session.close()
                    if len(ip_l_before.splitlines()) == len(ip_l_after.splitlines()):
                        test.fail('Output of "ip l" is not changed afte detach, '
                                  'interface not successfully detached')
def run(test, params, env):
    """
    Test update filter rules when domain is running.

    1) Prepare parameters.
    2) Add filter to domain interface.
    3) Start domain.
    4) Update filter rule and check
    5) Cleanup
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    check_cmd = params.get("check_cmd")
    expect_match = params.get("expect_match")
    check_vm_cmd = params.get("check_vm_cmd")
    vm_expect_match = params.get("vm_expect_match")
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    filterref_dict = {}
    filterref_dict['name'] = filter_name

    # backup vm xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    new_filter = libvirt_xml.NwfilterXML()
    filter_backup = new_filter.new_from_filter_dumpxml(filter_name)

    try:
        # Update first vm interface with filter
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()

        # Start vm
        vm.start()
        session = vm.wait_for_login()
        vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        iface_target = iface_xml.target['dev']
        logging.debug("iface target dev name is %s", iface_target)

        # Update filter rule by nwfilter-define
        filterxml = utlv.create_nwfilter_xml(params)

        # Define filter xml
        virsh.nwfilter_define(filterxml.xml, debug=True)

        # Check ebtables on host after filter update
        if "DEVNAME" in check_cmd:
            check_cmd = check_cmd.replace("DEVNAME", iface_target)
        ret = utils_misc.wait_for(
            lambda: not utils.system(check_cmd, ignore_status=True),
            timeout=30)
        if not ret:
            raise error.TestFail("Rum command '%s' failed" % check_cmd)
        out = utils.system_output(check_cmd, ignore_status=False)
        if expect_match and not re.search(expect_match, out):
            raise error.TestFail("'%s' not found in output: %s" %
                                 (expect_match, out))

        # Check in vm
        if check_vm_cmd:
            output = session.cmd_output(check_vm_cmd)
            logging.debug("cmd output: %s", output)
            if vm_expect_match and not re.search(vm_expect_match, output):
                raise error.TestFail("'%s' not found in output: %s" %
                                     (vm_expect_match, output))
    finally:
        # Clean env
        if vm.is_alive():
            vm.destroy(gracefully=False)
        # Recover xml of vm.
        vmxml_backup.sync()
        # Restore created filter
        virsh.nwfilter_undefine(filter_name, debug=True)
        virsh.nwfilter_define(filter_backup.xml, debug=True)
Esempio n. 30
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def run(test, params, env):
    """
    Test start domain with nwfilter rules.

    1) Prepare parameters.
    2) Prepare nwfilter rule and update domain interface to apply.
    3) Start domain and check rule.
    4) Clean env
    """
    # Prepare parameters
    filter_name = params.get("filter_name", "testcase")
    exist_filter = params.get("exist_filter", "no-mac-spoofing")
    check_cmd = params.get("check_cmd")
    expect_match = params.get("expect_match")
    status_error = "yes" == params.get("status_error", "no")
    mount_noexec_tmp = "yes" == params.get("mount_noexec_tmp", "no")
    kill_libvirtd = "yes" == params.get("kill_libvirtd", "no")
    bug_url = params.get("bug_url", "")
    ipset_command = params.get("ipset_command")
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    username = params.get("username")
    password = params.get("password")

    # Prepare vm filterref parameters dict list
    filter_param_list = []
    params_key = []
    for i in params.keys():
        if 'parameter_name_' in i:
            params_key.append(i)
    params_key.sort()
    for i in range(len(params_key)):
        params_dict = {}
        params_dict['name'] = params[params_key[i]]
        params_dict['value'] = params['parameter_value_%s' % i]
        filter_param_list.append(params_dict)
    filterref_dict = {}
    filterref_dict['name'] = filter_name
    filterref_dict['parameters'] = filter_param_list

    # backup vm xml
    vmxml_backup = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)

    libvirtd = utils_libvirtd.Libvirtd()
    device_name = None
    try:
        rule = params.get("rule")
        if rule:
            # Create new filter xml
            filterxml = utlv.create_nwfilter_xml(params)
            # Define filter xml
            virsh.nwfilter_define(filterxml.xml, debug=True)

        # Update first vm interface with filter
        vmxml = libvirt_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        iface_xml = vmxml.get_devices('interface')[0]
        vmxml.del_device(iface_xml)
        new_iface = interface.Interface('network')
        new_iface.xml = iface_xml.xml
        new_filterref = new_iface.new_filterref(**filterref_dict)
        new_iface.filterref = new_filterref
        logging.debug("new interface xml is: %s" % new_iface)
        vmxml.add_device(new_iface)
        vmxml.sync()

        if mount_noexec_tmp:
            device_name = utlv.setup_or_cleanup_iscsi(is_setup=True)
            utlv.mkfs(device_name, 'ext4')
            cmd = "mount %s /tmp -o noexec,nosuid" % device_name
            utils.run(cmd)

        if ipset_command:
            try:
                os_dep.command("ipset")
            except ValueError:
                ret = utils.run("yum install ipset -y")
                if ret.exit_status:
                    raise error.TestNAError("Can't install ipset on host")
            utils.run(ipset_command)

        # Run command
        try:
            vm.start()
            if not mount_noexec_tmp:
                vm.wait_for_serial_login(username=username, password=password)
            vmxml = libvirt_xml.VMXML.new_from_dumpxml(vm_name)
            iface_xml = vmxml.get_devices('interface')[0]
            iface_target = iface_xml.target['dev']
            logging.debug("iface target dev name is %s", iface_target)

            # Check iptables or ebtables on host
            if check_cmd:
                if "DEVNAME" in check_cmd:
                    check_cmd = check_cmd.replace("DEVNAME", iface_target)
                ret = utils_misc.wait_for(lambda: not
                                          utils.system(check_cmd,
                                                       ignore_status=True),
                                          timeout=30)
                if not ret:
                    raise error.TestFail("Rum command '%s' failed" % check_cmd)
                out = utils.system_output(check_cmd, ignore_status=False)
                if expect_match and not re.search(expect_match, out):
                    raise error.TestFail("'%s' not found in output: %s"
                                         % (expect_match, out))

        except virt_vm.VMStartError, e:
            # Starting VM failed.
            if not status_error:
                raise error.TestFail("Test failed in positive case.\n error:"
                                     " %s\n%s" % (e, bug_url))

        if kill_libvirtd:
            cmd = "kill -SIGTERM `pidof libvirtd`"
            utils.run(cmd)
            ret = utils_misc.wait_for(lambda: not libvirtd.is_running(),
                                      timeout=30)
            if not ret:
                raise error.TestFail("Failed to kill libvirtd. %s" % bug_url)