Example #1
0
def preprocess(test, params, env):
    """
    Preprocess all VMs and images according to the instructions in params.
    Also, collect some host information, such as the KVM version.

    :param test: An Autotest test object.
    :param params: A dict containing all VM and image parameters.
    :param env: The environment (a dict-like object).
    """
    error.context("preprocessing")
    # First, let's verify if this test does require root or not. If it
    # does and the test suite is running as a regular user, we shall just
    # throw a TestNAError exception, which will skip the test.
    if params.get('requires_root', 'no') == 'yes':
        utils_misc.verify_running_as_root()

    port = params.get('shell_port')
    prompt = params.get('shell_prompt')
    address = params.get('ovirt_node_address')
    username = params.get('ovirt_node_user')
    password = params.get('ovirt_node_password')

    setup_pb = False
    for nic in params.get('nics', "").split():
        nic_params = params.object_params(nic)
        if nic_params.get('netdst') == 'private':
            setup_pb = True
            params_pb = nic_params
            params['netdst_%s' % nic] = nic_params.get("priv_brname", 'atbr0')

    if setup_pb:
        brcfg = test_setup.PrivateBridgeConfig(params_pb)
        brcfg.setup()

    base_dir = data_dir.get_data_dir()
    if params.get("storage_type") == "iscsi":
        iscsidev = qemu_storage.Iscsidev(params, base_dir, "iscsi")
        params["image_name"] = iscsidev.setup()
        params["image_raw_device"] = "yes"

    if params.get("storage_type") == "lvm":
        lvmdev = qemu_storage.LVMdev(params, base_dir, "lvm")
        params["image_name"] = lvmdev.setup()
        params["image_raw_device"] = "yes"
        env.register_lvmdev("lvm_%s" % params["main_vm"], lvmdev)

    if params.get("storage_type") == "nfs":
        image_nfs = nfs.Nfs(params)
        image_nfs.setup()
        image_name_only = os.path.basename(params["image_name"])
        params['image_name'] = os.path.join(image_nfs.mount_dir,
                                            image_name_only)
        for image_name in params.objects("images"):
            name_tag = "image_name_%s" % image_name
            if params.get(name_tag):
                image_name_only = os.path.basename(params[name_tag])
                params[name_tag] = os.path.join(image_nfs.mount_dir,
                                                image_name_only)

    # Start tcpdump if it isn't already running
    # The fact it has to be started here is so that the test params
    # have to be honored.
    env.start_tcpdump(params)

    # Destroy and remove VMs that are no longer needed in the environment
    requested_vms = params.objects("vms")
    for key in env.keys():
        vm = env[key]
        if not isinstance(vm, virt_vm.BaseVM):
            continue
        if vm.name not in requested_vms:
            vm.destroy()
            del env[key]

    if (params.get("auto_cpu_model") == "yes"
            and params.get("vm_type") == "qemu"):
        if not env.get("cpu_model"):
            env["cpu_model"] = utils_misc.get_qemu_best_cpu_model(params)
        params["cpu_model"] = env.get("cpu_model")

    kvm_ver_cmd = params.get("kvm_ver_cmd", "")

    if kvm_ver_cmd:
        try:
            cmd_result = utils.run(kvm_ver_cmd)
            kvm_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_version = "Unknown"
    else:
        # Get the KVM kernel module version and write it as a keyval
        if os.path.exists("/dev/kvm"):
            try:
                kvm_version = open("/sys/module/kvm/version").read().strip()
            except Exception:
                kvm_version = os.uname()[2]
        else:
            logging.warning("KVM module not loaded")
            kvm_version = "Unknown"

    logging.debug("KVM version: %s" % kvm_version)
    test.write_test_keyval({"kvm_version": kvm_version})

    # Get the KVM userspace version and write it as a keyval
    kvm_userspace_ver_cmd = params.get("kvm_userspace_ver_cmd", "")

    if kvm_userspace_ver_cmd:
        try:
            cmd_result = utils.run(kvm_userspace_ver_cmd)
            kvm_userspace_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_userspace_version = "Unknown"
    else:
        qemu_path = utils_misc.get_qemu_binary(params)
        version_line = commands.getoutput("%s -help | head -n 1" % qemu_path)
        matches = re.findall("[Vv]ersion .*?,", version_line)
        if matches:
            kvm_userspace_version = " ".join(matches[0].split()[1:]).strip(",")
        else:
            kvm_userspace_version = "Unknown"

    logging.debug("KVM userspace version: %s" % kvm_userspace_version)
    test.write_test_keyval({"kvm_userspace_version": kvm_userspace_version})

    if params.get("setup_hugepages") == "yes":
        h = test_setup.HugePageConfig(params)
        suggest_mem = h.setup()
        if suggest_mem is not None:
            params['mem'] = suggest_mem
        if params.get("vm_type") == "libvirt":
            utils_libvirtd.libvirtd_restart()

    if params.get("setup_thp") == "yes":
        thp = test_setup.TransparentHugePageConfig(test, params)
        thp.setup()

    if params.get("setup_ksm") == "yes":
        ksm = test_setup.KSMConfig(params, env)
        ksm.setup(env)

    # Execute any pre_commands
    if params.get("pre_command"):
        process_command(test, params, env, params.get("pre_command"),
                        int(params.get("pre_command_timeout", "600")),
                        params.get("pre_command_noncritical") == "yes")

    # if you want set "pci=nomsi" before test, set "disable_pci_msi = yes"
    # and pci_msi_sensitive = "yes"
    if params.get("pci_msi_sensitive", "no") == "yes":
        disable_pci_msi = params.get("disable_pci_msi", "no")
        image_filename = storage.get_image_filename(params,
                                                    data_dir.get_data_dir())
        grub_file = params.get("grub_file", "/boot/grub2/grub.cfg")
        kernel_cfg_pos_reg = params.get("kernel_cfg_pos_reg",
                                        r".*vmlinuz-\d+.*")
        msi_keyword = params.get("msi_keyword", " pci=nomsi")

        disk_obj = utils_disk.GuestFSModiDisk(image_filename)
        kernel_config_ori = disk_obj.read_file(grub_file)
        kernel_config = re.findall(kernel_cfg_pos_reg, kernel_config_ori)
        if not kernel_config:
            raise error.TestError("Cannot find the kernel config, reg is %s" %
                                  kernel_cfg_pos_reg)
        kernel_config_line = kernel_config[0]

        kernel_need_modify = False
        if disable_pci_msi == "yes":
            if not re.findall(msi_keyword, kernel_config_line):
                kernel_config_set = kernel_config_line + msi_keyword
                kernel_need_modify = True
        else:
            if re.findall(msi_keyword, kernel_config_line):
                kernel_config_set = re.sub(msi_keyword, "", kernel_config_line)
                kernel_need_modify = True

        if kernel_need_modify:
            for vm in env.get_all_vms():
                if vm:
                    vm.destroy()
                    env.unregister_vm(vm.name)
            disk_obj.replace_image_file_content(grub_file, kernel_config_line,
                                                kernel_config_set)
        logging.debug("Guest cmdline 'pci=nomsi' setting is: [ %s ]" %
                      disable_pci_msi)

    kernel_extra_params = params.get("kernel_extra_params")
    if kernel_extra_params:
        image_filename = storage.get_image_filename(params,
                                                    data_dir.get_data_dir())
        grub_file = params.get("grub_file", "/boot/grub2/grub.cfg")
        kernel_cfg_pos_reg = params.get("kernel_cfg_pos_reg",
                                        r".*vmlinuz-\d+.*")

        disk_obj = utils_disk.GuestFSModiDisk(image_filename)
        kernel_config_ori = disk_obj.read_file(grub_file)
        kernel_config = re.findall(kernel_cfg_pos_reg, kernel_config_ori)
        if not kernel_config:
            raise error.TestError("Cannot find the kernel config, reg is %s" %
                                  kernel_cfg_pos_reg)
        kernel_config_line = kernel_config[0]

        kernel_need_modify = False
        if not re.findall(kernel_extra_params, kernel_config_line):
            kernel_config_set = kernel_config_line + kernel_extra_params
            kernel_need_modify = True

        if kernel_need_modify:
            for vm in env.get_all_vms():
                if vm:
                    vm.destroy()
                    env.unregister_vm(vm.name)
            disk_obj.replace_image_file_content(grub_file, kernel_config_line,
                                                kernel_config_set)
        logging.debug("Guest cmdline extra_params setting is: [ %s ]" %
                      kernel_extra_params)

    # Clone master image from vms.
    base_dir = data_dir.get_data_dir()
    if params.get("master_images_clone"):
        for vm_name in params.get("vms").split():
            vm = env.get_vm(vm_name)
            if vm:
                vm.destroy()
                env.unregister_vm(vm_name)

            vm_params = params.object_params(vm_name)
            for image in vm_params.get("master_images_clone").split():
                image_obj = qemu_storage.QemuImg(params, base_dir, image)
                image_obj.clone_image(params, vm_name, image, base_dir)

    # Preprocess all VMs and images
    if params.get("not_preprocess", "no") == "no":
        process(test, params, env, preprocess_image, preprocess_vm)

    # Start the screendump thread
    if params.get("take_regular_screendumps") == "yes":
        global _screendump_thread, _screendump_thread_termination_event
        _screendump_thread_termination_event = threading.Event()
        _screendump_thread = threading.Thread(target=_take_screendumps,
                                              name='ScreenDump',
                                              args=(test, params, env))
        _screendump_thread.start()

    # Start the register query thread
    if params.get("store_vm_register") == "yes":
        global _vm_register_thread, _vm_register_thread_termination_event
        _vm_register_thread_termination_event = threading.Event()
        _vm_register_thread = threading.Thread(target=_store_vm_register,
                                               name='VmRegister',
                                               args=(test, params, env))
        _vm_register_thread.start()

    return params
Example #2
0
def preprocess(test, params, env):
    """
    Preprocess all VMs and images according to the instructions in params.
    Also, collect some host information, such as the KVM version.

    :param test: An Autotest test object.
    :param params: A dict containing all VM and image parameters.
    :param env: The environment (a dict-like object).
    """
    error.context("preprocessing")
    # First, let's verify if this test does require root or not. If it
    # does and the test suite is running as a regular user, we shall just
    # throw a TestNAError exception, which will skip the test.
    if params.get('requires_root', 'no') == 'yes':
        utils_misc.verify_running_as_root()

    port = params.get('shell_port')
    prompt = params.get('shell_prompt')
    address = params.get('ovirt_node_address')
    username = params.get('ovirt_node_user')
    password = params.get('ovirt_node_password')

    setup_pb = False
    for nic in params.get('nics', "").split():
        nic_params = params.object_params(nic)
        if nic_params.get('netdst') == 'private':
            setup_pb = True
            params_pb = nic_params
            params['netdst_%s' % nic] = nic_params.get("priv_brname", 'atbr0')

    if setup_pb:
        brcfg = test_setup.PrivateBridgeConfig(params_pb)
        brcfg.setup()

    base_dir = data_dir.get_data_dir()
    if params.get("storage_type") == "iscsi":
        iscsidev = qemu_storage.Iscsidev(params, base_dir, "iscsi")
        params["image_name"] = iscsidev.setup()
        params["image_raw_device"] = "yes"

    if params.get("storage_type") == "lvm":
        lvmdev = qemu_storage.LVMdev(params, base_dir, "lvm")
        params["image_name"] = lvmdev.setup()
        params["image_raw_device"] = "yes"
        env.register_lvmdev("lvm_%s" % params["main_vm"], lvmdev)

    if params.get("storage_type") == "nfs":
        image_nfs = nfs.Nfs(params)
        image_nfs.setup()
        image_name_only = os.path.basename(params["image_name"])
        params['image_name'] = os.path.join(image_nfs.mount_dir,
                                            image_name_only)
        for image_name in params.objects("images"):
            name_tag = "image_name_%s" % image_name
            if params.get(name_tag):
                image_name_only = os.path.basename(params[name_tag])
                params[name_tag] = os.path.join(image_nfs.mount_dir,
                                                image_name_only)

    # Start tcpdump if it isn't already running
    # The fact it has to be started here is so that the test params
    # have to be honored.
    env.start_tcpdump(params)

    # Destroy and remove VMs that are no longer needed in the environment
    requested_vms = params.objects("vms")
    for key in env.keys():
        vm = env[key]
        if not isinstance(vm, virt_vm.BaseVM):
            continue
        if not vm.name in requested_vms:
            vm.destroy()
            del env[key]

    if (params.get("auto_cpu_model") == "yes" and
            params.get("vm_type") == "qemu"):
        if not env.get("cpu_model"):
            env["cpu_model"] = utils_misc.get_qemu_best_cpu_model(params)
        params["cpu_model"] = env.get("cpu_model")

    kvm_ver_cmd = params.get("kvm_ver_cmd", "")

    if kvm_ver_cmd:
        try:
            cmd_result = utils.run(kvm_ver_cmd)
            kvm_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_version = "Unknown"
    else:
        # Get the KVM kernel module version and write it as a keyval
        if os.path.exists("/dev/kvm"):
            try:
                kvm_version = open("/sys/module/kvm/version").read().strip()
            except Exception:
                kvm_version = os.uname()[2]
        else:
            logging.warning("KVM module not loaded")
            kvm_version = "Unknown"

    logging.debug("KVM version: %s" % kvm_version)
    test.write_test_keyval({"kvm_version": kvm_version})

    # Get the KVM userspace version and write it as a keyval
    kvm_userspace_ver_cmd = params.get("kvm_userspace_ver_cmd", "")

    if kvm_userspace_ver_cmd:
        try:
            cmd_result = utils.run(kvm_userspace_ver_cmd)
            kvm_userspace_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_userspace_version = "Unknown"
    else:
        qemu_path = utils_misc.get_qemu_binary(params)
        version_line = commands.getoutput("%s -help | head -n 1" % qemu_path)
        matches = re.findall("[Vv]ersion .*?,", version_line)
        if matches:
            kvm_userspace_version = " ".join(matches[0].split()[1:]).strip(",")
        else:
            kvm_userspace_version = "Unknown"

    logging.debug("KVM userspace version: %s" % kvm_userspace_version)
    test.write_test_keyval({"kvm_userspace_version": kvm_userspace_version})

    if params.get("setup_hugepages") == "yes":
        h = test_setup.HugePageConfig(params)
        suggest_mem = h.setup()
        if suggest_mem is not None:
            params['mem'] = suggest_mem
        if params.get("vm_type") == "libvirt":
            utils_libvirtd.libvirtd_restart()

    if params.get("setup_thp") == "yes":
        thp = test_setup.TransparentHugePageConfig(test, params)
        thp.setup()

    if params.get("setup_ksm") == "yes":
        ksm = test_setup.KSMConfig(params, env)
        ksm.setup(env)

    # Execute any pre_commands
    if params.get("pre_command"):
        process_command(test, params, env, params.get("pre_command"),
                        int(params.get("pre_command_timeout", "600")),
                        params.get("pre_command_noncritical") == "yes")

    # if you want set "pci=nomsi" before test, set "disable_pci_msi = yes"
    # and pci_msi_sensitive = "yes"
    if params.get("pci_msi_sensitive", "no") == "yes":
        disable_pci_msi = params.get("disable_pci_msi", "no")
        image_filename = storage.get_image_filename(params,
                                                    data_dir.get_data_dir())
        grub_file = params.get("grub_file", "/boot/grub2/grub.cfg")
        kernel_cfg_pos_reg = params.get("kernel_cfg_pos_reg",
                                        r".*vmlinuz-\d+.*")
        msi_keyword = params.get("msi_keyword", " pci=nomsi")

        disk_obj = utils_disk.GuestFSModiDisk(image_filename)
        kernel_config_ori = disk_obj.read_file(grub_file)
        kernel_config = re.findall(kernel_cfg_pos_reg, kernel_config_ori)
        if not kernel_config:
            raise error.TestError("Cannot find the kernel config, reg is %s" %
                                  kernel_cfg_pos_reg)
        kernel_config_line = kernel_config[0]

        kernel_need_modify = False
        if disable_pci_msi == "yes":
            if not re.findall(msi_keyword, kernel_config_line):
                kernel_config_set = kernel_config_line + msi_keyword
                kernel_need_modify = True
        else:
            if re.findall(msi_keyword, kernel_config_line):
                kernel_config_set = re.sub(msi_keyword, "", kernel_config_line)
                kernel_need_modify = True

        if kernel_need_modify:
            for vm in env.get_all_vms():
                if vm:
                    vm.destroy()
                    env.unregister_vm(vm.name)
            disk_obj.replace_image_file_content(grub_file, kernel_config_line,
                                                kernel_config_set)
        logging.debug("Guest cmdline 'pci=nomsi' setting is: [ %s ]" %
                      disable_pci_msi)

    kernel_extra_params = params.get("kernel_extra_params")
    if kernel_extra_params:
        image_filename = storage.get_image_filename(params,
                                                    data_dir.get_data_dir())
        grub_file = params.get("grub_file", "/boot/grub2/grub.cfg")
        kernel_cfg_pos_reg = params.get("kernel_cfg_pos_reg",
                                        r".*vmlinuz-\d+.*")

        disk_obj = utils_disk.GuestFSModiDisk(image_filename)
        kernel_config_ori = disk_obj.read_file(grub_file)
        kernel_config = re.findall(kernel_cfg_pos_reg, kernel_config_ori)
        if not kernel_config:
            raise error.TestError("Cannot find the kernel config, reg is %s" %
                                  kernel_cfg_pos_reg)
        kernel_config_line = kernel_config[0]

        kernel_need_modify = False
        if not re.findall(kernel_extra_params, kernel_config_line):
            kernel_config_set = kernel_config_line + kernel_extra_params
            kernel_need_modify = True

        if kernel_need_modify:
            for vm in env.get_all_vms():
                if vm:
                    vm.destroy()
                    env.unregister_vm(vm.name)
            disk_obj.replace_image_file_content(grub_file, kernel_config_line,
                                                kernel_config_set)
        logging.debug("Guest cmdline extra_params setting is: [ %s ]" %
                      kernel_extra_params)

    # Clone master image from vms.
    base_dir = data_dir.get_data_dir()
    if params.get("master_images_clone"):
        for vm_name in params.get("vms").split():
            vm = env.get_vm(vm_name)
            if vm:
                vm.destroy(free_mac_addresses=False)
                env.unregister_vm(vm_name)

            vm_params = params.object_params(vm_name)
            for image in vm_params.get("master_images_clone").split():
                image_obj = qemu_storage.QemuImg(params, base_dir, image)
                image_obj.clone_image(params, vm_name, image, base_dir)

    # Preprocess all VMs and images
    if params.get("not_preprocess", "no") == "no":
        process(test, params, env, preprocess_image, preprocess_vm)

    # Start the screendump thread
    if params.get("take_regular_screendumps") == "yes":
        global _screendump_thread, _screendump_thread_termination_event
        _screendump_thread_termination_event = threading.Event()
        _screendump_thread = threading.Thread(target=_take_screendumps,
                                              name='ScreenDump',
                                              args=(test, params, env))
        _screendump_thread.start()

    return params
Example #3
0
def preprocess(test, params, env):
    """
    Preprocess all VMs and images according to the instructions in params.
    Also, collect some host information, such as the KVM version.

    :param test: An Autotest test object.
    :param params: A dict containing all VM and image parameters.
    :param env: The environment (a dict-like object).
    """
    error.context("preprocessing")
    # First, let's verify if this test does require root or not. If it
    # does and the test suite is running as a regular user, we shall just
    # throw a TestNAError exception, which will skip the test.
    if params.get('requires_root', 'no') == 'yes':
        utils_misc.verify_running_as_root()

    port = params.get('shell_port')
    prompt = params.get('shell_prompt')
    address = params.get('ovirt_node_address')
    username = params.get('ovirt_node_user')
    password = params.get('ovirt_node_password')

    setup_pb = False
    for nic in params.get('nics', "").split():
        nic_params = params.object_params(nic)
        if nic_params.get('netdst') == 'private':
            setup_pb = True
            params_pb = nic_params
            params['netdst_%s' % nic] = nic_params.get("priv_brname", 'atbr0')

    if setup_pb:
        brcfg = test_setup.PrivateBridgeConfig(params_pb)
        brcfg.setup()

    base_dir = data_dir.get_data_dir()
    if params.get("storage_type") == "iscsi":
        iscsidev = qemu_storage.Iscsidev(params, base_dir, "iscsi")
        params["image_name"] = iscsidev.setup()
        params["image_raw_device"] = "yes"

    if params.get("storage_type") == "lvm":
        lvmdev = qemu_storage.LVMdev(params, base_dir, "lvm")
        params["image_name"] = lvmdev.setup()
        params["image_raw_device"] = "yes"
        env.register_lvmdev("lvm_%s" % params["main_vm"], lvmdev)

    if params.get("storage_type") == "nfs":
        image_nfs = nfs.Nfs(params)
        image_nfs.setup()
        image_name_only = os.path.basename(params["image_name"])
        params['image_name'] = os.path.join(image_nfs.mount_dir,
                                            image_name_only)
        for image_name in params.objects("images"):
            name_tag = "image_name_%s" % image_name
            if params.get(name_tag):
                image_name_only = os.path.basename(params[name_tag])
                params[name_tag] = os.path.join(image_nfs.mount_dir,
                                                image_name_only)

    # Start tcpdump if it isn't already running
    # The fact it has to be started here is so that the test params
    # have to be honored.
    env.start_tcpdump(params)

    # Destroy and remove VMs that are no longer needed in the environment
    requested_vms = params.objects("vms")
    for key in env.keys():
        vm = env[key]
        if not isinstance(vm, virt_vm.BaseVM):
            continue
        if vm.name not in requested_vms:
            vm.destroy()
            del env[key]

    if (params.get("auto_cpu_model") == "yes"
            and params.get("vm_type") == "qemu"):
        if not env.get("cpu_model"):
            env["cpu_model"] = utils_misc.get_qemu_best_cpu_model(params)
        params["cpu_model"] = env.get("cpu_model")

    kvm_ver_cmd = params.get("kvm_ver_cmd", "")

    if kvm_ver_cmd:
        try:
            cmd_result = utils.run(kvm_ver_cmd)
            kvm_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_version = "Unknown"
    else:
        # Get the KVM kernel module version and write it as a keyval
        if os.path.exists("/dev/kvm"):
            try:
                kvm_version = open("/sys/module/kvm/version").read().strip()
            except Exception:
                kvm_version = os.uname()[2]
        else:
            logging.warning("KVM module not loaded")
            kvm_version = "Unknown"

    logging.debug("KVM version: %s" % kvm_version)
    test.write_test_keyval({"kvm_version": kvm_version})

    # Get the KVM userspace version and write it as a keyval
    kvm_userspace_ver_cmd = params.get("kvm_userspace_ver_cmd", "")

    if kvm_userspace_ver_cmd:
        try:
            cmd_result = utils.run(kvm_userspace_ver_cmd)
            kvm_userspace_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_userspace_version = "Unknown"
    else:
        qemu_path = utils_misc.get_qemu_binary(params)
        version_line = commands.getoutput("%s -help | head -n 1" % qemu_path)
        matches = re.findall("[Vv]ersion .*?,", version_line)
        if matches:
            kvm_userspace_version = " ".join(matches[0].split()[1:]).strip(",")
        else:
            kvm_userspace_version = "Unknown"

    logging.debug("KVM userspace version: %s" % kvm_userspace_version)
    test.write_test_keyval({"kvm_userspace_version": kvm_userspace_version})

    libvirtd_inst = utils_libvirtd.Libvirtd()

    if params.get("setup_hugepages") == "yes":
        h = test_setup.HugePageConfig(params)
        suggest_mem = h.setup()
        if suggest_mem is not None:
            params['mem'] = suggest_mem
        if params.get("vm_type") == "libvirt":
            libvirtd_inst.restart()

    if params.get("setup_thp") == "yes":
        thp = test_setup.TransparentHugePageConfig(test, params)
        thp.setup()

    if params.get("setup_ksm") == "yes":
        ksm = test_setup.KSMConfig(params, env)
        ksm.setup(env)

    if params.get("vm_type") == "libvirt":
        if params.get("setup_libvirt_polkit") == "yes":
            pol = test_setup.LibvirtPolkitConfig(params)
            try:
                pol.setup()
            except test_setup.PolkitWriteLibvirtdConfigError, e:
                logging.error("e")
            except test_setup.PolkitRulesSetupError, e:
                logging.error("e")
            except Exception, e:
                logging.error("Unexpected error:" % e)
Example #4
0
def preprocess(test, params, env):
    """
    Preprocess all VMs and images according to the instructions in params.
    Also, collect some host information, such as the KVM version.

    :param test: An Autotest test object.
    :param params: A dict containing all VM and image parameters.
    :param env: The environment (a dict-like object).
    """
    error.context("preprocessing")
    # First, let's verify if this test does require root or not. If it
    # does and the test suite is running as a regular user, we shall just
    # throw a TestNAError exception, which will skip the test.
    if params.get('requires_root', 'no') == 'yes':
        utils_misc.verify_running_as_root()

    port = params.get('shell_port')
    prompt = params.get('shell_prompt')
    address = params.get('ovirt_node_address')
    username = params.get('ovirt_node_user')
    password = params.get('ovirt_node_password')
    vm_type = params.get('vm_type')

    setup_pb = False
    for nic in params.get('nics', "").split():
        nic_params = params.object_params(nic)
        if nic_params.get('netdst') == 'private':
            setup_pb = True
            params_pb = nic_params
            params['netdst_%s' % nic] = nic_params.get("priv_brname", 'atbr0')

    if setup_pb:
        brcfg = test_setup.PrivateBridgeConfig(params_pb)
        brcfg.setup()

    base_dir = data_dir.get_data_dir()
    if params.get("storage_type") == "iscsi":
        iscsidev = qemu_storage.Iscsidev(params, base_dir, "iscsi")
        params["image_name"] = iscsidev.setup()
        params["image_raw_device"] = "yes"

    if params.get("storage_type") == "lvm":
        lvmdev = qemu_storage.LVMdev(params, base_dir, "lvm")
        params["image_name"] = lvmdev.setup()
        params["image_raw_device"] = "yes"
        env.register_lvmdev("lvm_%s" % params["main_vm"], lvmdev)

    if params.get("storage_type") == "nfs":
        image_nfs = nfs.Nfs(params)
        image_nfs.setup()
        image_name_only = os.path.basename(params["image_name"])
        params['image_name'] = os.path.join(image_nfs.mount_dir,
                                            image_name_only)
        for image_name in params.objects("images"):
            name_tag = "image_name_%s" % image_name
            if params.get(name_tag):
                image_name_only = os.path.basename(params[name_tag])
                params[name_tag] = os.path.join(image_nfs.mount_dir,
                                                image_name_only)

    # Start tcpdump if it isn't already running
    # The fact it has to be started here is so that the test params
    # have to be honored.
    env.start_tcpdump(params)

    # Add migrate_vms to vms
    migrate_vms = params.objects("migrate_vms")
    if migrate_vms:
        vms = list(set(params.objects("vms") + migrate_vms))
        params["vms"] = ' '.join(vms)

    # Destroy and remove VMs that are no longer needed in the environment
    requested_vms = params.objects("vms")
    for key in env.keys():
        vm = env[key]
        if not isinstance(vm, virt_vm.BaseVM):
            continue
        if vm.name not in requested_vms:
            vm.destroy()
            del env[key]

    if (params.get("auto_cpu_model") == "yes" and
            vm_type == "qemu"):
        if not env.get("cpu_model"):
            env["cpu_model"] = utils_misc.get_qemu_best_cpu_model(params)
        params["cpu_model"] = env.get("cpu_model")

    kvm_ver_cmd = params.get("kvm_ver_cmd", "")

    if kvm_ver_cmd:
        try:
            cmd_result = utils.run(kvm_ver_cmd)
            kvm_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_version = "Unknown"
    else:
        # Get the KVM kernel module version and write it as a keyval
        if os.path.exists("/dev/kvm"):
            try:
                kvm_version = open("/sys/module/kvm/version").read().strip()
            except Exception:
                kvm_version = os.uname()[2]
        else:
            logging.warning("KVM module not loaded")
            kvm_version = "Unknown"

    logging.debug("KVM version: %s" % kvm_version)
    test.write_test_keyval({"kvm_version": kvm_version})

    # Get the KVM userspace version and write it as a keyval
    kvm_userspace_ver_cmd = params.get("kvm_userspace_ver_cmd", "")

    if kvm_userspace_ver_cmd:
        try:
            cmd_result = utils.run(kvm_userspace_ver_cmd)
            kvm_userspace_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_userspace_version = "Unknown"
    else:
        qemu_path = utils_misc.get_qemu_binary(params)
        version_line = commands.getoutput("%s -help | head -n 1" % qemu_path)
        matches = re.findall("[Vv]ersion .*?,", version_line)
        if matches:
            kvm_userspace_version = " ".join(matches[0].split()[1:]).strip(",")
        else:
            kvm_userspace_version = "Unknown"

    logging.debug("KVM userspace version: %s" % kvm_userspace_version)
    test.write_test_keyval({"kvm_userspace_version": kvm_userspace_version})

    libvirtd_inst = utils_libvirtd.Libvirtd()

    if params.get("setup_hugepages") == "yes":
        h = test_setup.HugePageConfig(params)
        suggest_mem = h.setup()
        if suggest_mem is not None:
            params['mem'] = suggest_mem
        if vm_type == "libvirt":
            libvirtd_inst.restart()

    if params.get("setup_thp") == "yes":
        thp = test_setup.TransparentHugePageConfig(test, params)
        thp.setup()

    if params.get("setup_ksm") == "yes":
        ksm = test_setup.KSMConfig(params, env)
        ksm.setup(env)

    if vm_type == "libvirt":
        if params.get("setup_libvirt_polkit") == "yes":
            pol = test_setup.LibvirtPolkitConfig(params)
            try:
                pol.setup()
            except test_setup.PolkitWriteLibvirtdConfigError, e:
                logging.error("e")
            except test_setup.PolkitRulesSetupError, e:
                logging.error("e")
            except Exception, e:
                logging.error("Unexpected error:" % e)
Example #5
0
def preprocess(test, params, env):
    """
    Preprocess all VMs and images according to the instructions in params.
    Also, collect some host information, such as the KVM version.

    @param test: An Autotest test object.
    @param params: A dict containing all VM and image parameters.
    @param env: The environment (a dict-like object).
    """
    error.context("preprocessing")
    # First, let's verify if this test does require root or not. If it
    # does and the test suite is running as a regular user, we shall just
    # throw a TestNAError exception, which will skip the test.
    if params.get('requires_root', 'no') == 'yes':
        utils_misc.verify_running_as_root()

    port = params.get('shell_port')
    prompt = params.get('shell_prompt')
    address = params.get('ovirt_node_address')
    username = params.get('ovirt_node_user')
    password = params.get('ovirt_node_password')

    setup_pb = False
    for nic in params.get('nics', "").split():
        nic_params = params.object_params(nic)
        if nic_params.get('netdst') == 'private':
            setup_pb = True
            params_pb = nic_params
            params['netdst_%s' % nic] = nic_params.get("priv_brname", 'atbr0')

    if setup_pb:
        brcfg = test_setup.PrivateBridgeConfig(params_pb)
        brcfg.setup()

    # Start tcpdump if it isn't already running
    if "address_cache" not in env:
        env["address_cache"] = {}
    if "tcpdump" in env and not env["tcpdump"].is_alive():
        env["tcpdump"].close()
        del env["tcpdump"]
    if "tcpdump" not in env and params.get("run_tcpdump", "yes") == "yes":
        cmd = "%s -npvi any 'port 68'" % utils_misc.find_command("tcpdump")
        if params.get("remote_preprocess") == "yes":
            login_cmd = ("ssh -o UserKnownHostsFile=/dev/null -o \
                         PreferredAuthentications=password -p %s %s@%s" %
                         (port, username, address))
            env["tcpdump"] = aexpect.ShellSession(
                login_cmd,
                output_func=_update_address_cache,
                output_params=(env["address_cache"],))
            remote.handle_prompts(env["tcpdump"], username, password, prompt)
            env["tcpdump"].sendline(cmd)
        else:
            env["tcpdump"] = aexpect.Tail(
                command=cmd,
                output_func=_tcpdump_handler,
                output_params=(env["address_cache"], "tcpdump.log",))

        if utils_misc.wait_for(lambda: not env["tcpdump"].is_alive(),
                              0.1, 0.1, 1.0):
            logging.warn("Could not start tcpdump")
            logging.warn("Status: %s" % env["tcpdump"].get_status())
            logging.warn("Output:" + utils_misc.format_str_for_message(
                env["tcpdump"].get_output()))

    # Destroy and remove VMs that are no longer needed in the environment
    requested_vms = params.objects("vms")
    for key in env.keys():
        vm = env[key]
        if not isinstance(vm, virt_vm.BaseVM):
            continue
        if not vm.name in requested_vms:
            vm.destroy()
            del env[key]

    if (params.get("auto_cpu_model") == "yes" and
        params.get("vm_type") == "qemu"):
        if not env.get("cpu_model"):
            env["cpu_model"] = utils_misc.get_qemu_best_cpu_model(params)
        params["cpu_model"] = env.get("cpu_model")

    kvm_ver_cmd = params.get("kvm_ver_cmd", "")

    if kvm_ver_cmd:
        try:
            cmd_result = utils.run(kvm_ver_cmd)
            kvm_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_version = "Unknown"
    else:
        # Get the KVM kernel module version and write it as a keyval
        if os.path.exists("/dev/kvm"):
            try:
                kvm_version = open("/sys/module/kvm/version").read().strip()
            except Exception:
                kvm_version = os.uname()[2]
        else:
            logging.warning("KVM module not loaded")
            kvm_version = "Unknown"

    logging.debug("KVM version: %s" % kvm_version)
    test.write_test_keyval({"kvm_version": kvm_version})

    # Get the KVM userspace version and write it as a keyval
    kvm_userspace_ver_cmd = params.get("kvm_userspace_ver_cmd", "")

    if kvm_userspace_ver_cmd:
        try:
            cmd_result = utils.run(kvm_userspace_ver_cmd)
            kvm_userspace_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_userspace_version = "Unknown"
    else:
        qemu_path = utils_misc.get_qemu_binary(params)
        version_line = commands.getoutput("%s -help | head -n 1" % qemu_path)
        matches = re.findall("[Vv]ersion .*?,", version_line)
        if matches:
            kvm_userspace_version = " ".join(matches[0].split()[1:]).strip(",")
        else:
            kvm_userspace_version = "Unknown"

    logging.debug("KVM userspace version: %s" % kvm_userspace_version)
    test.write_test_keyval({"kvm_userspace_version": kvm_userspace_version})

    if params.get("setup_hugepages") == "yes":
        h = test_setup.HugePageConfig(params)
        h.setup()
        if params.get("vm_type") == "libvirt":
            libvirt_vm.libvirtd_restart()

    if params.get("setup_thp") == "yes":
        thp = test_setup.TransparentHugePageConfig(test, params)
        thp.setup()


    if params.get("setup_ksm") == "yes":
        ksm = test_setup.KSMConfig(params, env)
        ksm.setup(env)

    # Execute any pre_commands
    if params.get("pre_command"):
        process_command(test, params, env, params.get("pre_command"),
                        int(params.get("pre_command_timeout", "600")),
                        params.get("pre_command_noncritical") == "yes")

    #Clone master image from vms.
    base_dir = data_dir.get_data_dir()
    if params.get("master_images_clone"):
        for vm_name in params.get("vms").split():
            vm = env.get_vm(vm_name)
            if vm:
                vm.destroy(free_mac_addresses=False)
                env.unregister_vm(vm_name)

            vm_params = params.object_params(vm_name)
            for image in vm_params.get("master_images_clone").split():
                image_obj = qemu_storage.QemuImg(params, base_dir, image)
                image_obj.clone_image(params, vm_name, image, base_dir)

    # Preprocess all VMs and images
    if params.get("not_preprocess","no") == "no":
        process(test, params, env, preprocess_image, preprocess_vm)

    # Start the screendump thread
    if params.get("take_regular_screendumps") == "yes":
        global _screendump_thread, _screendump_thread_termination_event
        _screendump_thread_termination_event = threading.Event()
        _screendump_thread = threading.Thread(target=_take_screendumps,
                                              name='ScreenDump',
                                              args=(test, params, env))
        _screendump_thread.start()
Example #6
0
def preprocess(test, params, env):
    """
    Preprocess all VMs and images according to the instructions in params.
    Also, collect some host information, such as the KVM version.

    @param test: An Autotest test object.
    @param params: A dict containing all VM and image parameters.
    @param env: The environment (a dict-like object).
    """
    error.context("preprocessing")
    # First, let's verify if this test does require root or not. If it
    # does and the test suite is running as a regular user, we shall just
    # throw a TestNAError exception, which will skip the test.
    if params.get('requires_root', 'no') == 'yes':
        utils_misc.verify_running_as_root()

    port = params.get('shell_port')
    prompt = params.get('shell_prompt')
    address = params.get('ovirt_node_address')
    username = params.get('ovirt_node_user')
    password = params.get('ovirt_node_password')

    setup_pb = False
    for nic in params.get('nics', "").split():
        nic_params = params.object_params(nic)
        if nic_params.get('netdst') == 'private':
            setup_pb = True
            params_pb = nic_params
            params['netdst_%s' % nic] = nic_params.get("priv_brname", 'atbr0')

    if setup_pb:
        brcfg = test_setup.PrivateBridgeConfig(params_pb)
        brcfg.setup()

    base_dir = data_dir.get_data_dir()
    if params.get("storage_type") == "iscsi":
        iscsidev = qemu_storage.Iscsidev(params, base_dir, "iscsi")
        params["image_name"] = iscsidev.setup()
        params["image_raw_device"] = "yes"

    # Start tcpdump if it isn't already running
    if "address_cache" not in env:
        env["address_cache"] = {}
    if "tcpdump" in env and not env["tcpdump"].is_alive():
        env["tcpdump"].close()
        del env["tcpdump"]
    if "tcpdump" not in env and params.get("run_tcpdump", "yes") == "yes":
        cmd = "%s -npvi any 'port 68'" % utils_misc.find_command("tcpdump")
        if params.get("remote_preprocess") == "yes":
            login_cmd = ("ssh -o UserKnownHostsFile=/dev/null -o \
                         PreferredAuthentications=password -p %s %s@%s" %
                         (port, username, address))
            env["tcpdump"] = aexpect.ShellSession(
                login_cmd,
                output_func=_update_address_cache,
                output_params=(env["address_cache"],))
            remote.handle_prompts(env["tcpdump"], username, password, prompt)
            env["tcpdump"].sendline(cmd)
        else:
            env["tcpdump"] = aexpect.Tail(
                command=cmd,
                output_func=_tcpdump_handler,
                output_params=(env["address_cache"], "tcpdump.log",))

        if utils_misc.wait_for(lambda: not env["tcpdump"].is_alive(),
                              0.1, 0.1, 1.0):
            logging.warn("Could not start tcpdump")
            logging.warn("Status: %s" % env["tcpdump"].get_status())
            logging.warn("Output:" + utils_misc.format_str_for_message(
                env["tcpdump"].get_output()))

    # Destroy and remove VMs that are no longer needed in the environment
    requested_vms = params.objects("vms")
    for key in env.keys():
        vm = env[key]
        if not isinstance(vm, virt_vm.BaseVM):
            continue
        if not vm.name in requested_vms:
            vm.destroy()
            del env[key]

    if (params.get("auto_cpu_model") == "yes" and
        params.get("vm_type") == "qemu"):
        if not env.get("cpu_model"):
            env["cpu_model"] = utils_misc.get_qemu_best_cpu_model(params)
        params["cpu_model"] = env.get("cpu_model")

    kvm_ver_cmd = params.get("kvm_ver_cmd", "")

    if kvm_ver_cmd:
        try:
            cmd_result = utils.run(kvm_ver_cmd)
            kvm_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_version = "Unknown"
    else:
        # Get the KVM kernel module version and write it as a keyval
        if os.path.exists("/dev/kvm"):
            try:
                kvm_version = open("/sys/module/kvm/version").read().strip()
            except Exception:
                kvm_version = os.uname()[2]
        else:
            logging.warning("KVM module not loaded")
            kvm_version = "Unknown"

    logging.debug("KVM version: %s" % kvm_version)
    test.write_test_keyval({"kvm_version": kvm_version})

    # Get the KVM userspace version and write it as a keyval
    kvm_userspace_ver_cmd = params.get("kvm_userspace_ver_cmd", "")

    if kvm_userspace_ver_cmd:
        try:
            cmd_result = utils.run(kvm_userspace_ver_cmd)
            kvm_userspace_version = cmd_result.stdout.strip()
        except error.CmdError:
            kvm_userspace_version = "Unknown"
    else:
        qemu_path = utils_misc.get_qemu_binary(params)
        version_line = commands.getoutput("%s -help | head -n 1" % qemu_path)
        matches = re.findall("[Vv]ersion .*?,", version_line)
        if matches:
            kvm_userspace_version = " ".join(matches[0].split()[1:]).strip(",")
        else:
            kvm_userspace_version = "Unknown"

    logging.debug("KVM userspace version: %s" % kvm_userspace_version)
    test.write_test_keyval({"kvm_userspace_version": kvm_userspace_version})

    if params.get("setup_hugepages") == "yes":
        h = test_setup.HugePageConfig(params)
        h.setup()
        if params.get("vm_type") == "libvirt":
            utils_libvirtd.libvirtd_restart()

    if params.get("setup_thp") == "yes":
        thp = test_setup.TransparentHugePageConfig(test, params)
        thp.setup()


    if params.get("setup_ksm") == "yes":
        ksm = test_setup.KSMConfig(params, env)
        ksm.setup(env)

    # Execute any pre_commands
    if params.get("pre_command"):
        process_command(test, params, env, params.get("pre_command"),
                        int(params.get("pre_command_timeout", "600")),
                        params.get("pre_command_noncritical") == "yes")


    # if you want set "pci=nomsi" before test, set "disable_pci_msi = yes"
    # and pci_msi_sensitive = "yes"
    if params.get("pci_msi_sensitive", "no") == "yes":
        disable_pci_msi = params.get("disable_pci_msi", "no")
        image_filename = storage.get_image_filename(params,
                                                    data_dir.get_data_dir())
        grub_file = params.get("grub_file", "/boot/grub2/grub.cfg")
        kernel_cfg_pos_reg = params.get("kernel_cfg_pos_reg",
                                         r".*vmlinuz-\d+.*")
        msi_keyword = params.get("msi_keyword", " pci=nomsi")

        disk_obj = utils_disk.GuestFSModiDisk(image_filename)
        kernel_config_ori = disk_obj.read_file(grub_file)
        kernel_config = re.findall(kernel_cfg_pos_reg, kernel_config_ori)
        if not kernel_config:
            raise error.TestError("Cannot find the kernel config, reg is %s" %
                                  kernel_cfg_pos_reg)
        kernel_config_line = kernel_config[0]

        kernel_need_modify = False
        if disable_pci_msi == "yes":
            if not re.findall(msi_keyword, kernel_config_line):
                kernel_config_set = kernel_config_line + msi_keyword
                kernel_need_modify = True
        else:
            if re.findall(msi_keyword, kernel_config_line):
                kernel_config_set = re.sub(msi_keyword, "", kernel_config_line)
                kernel_need_modify = True

        if kernel_need_modify:
            for vm in env.get_all_vms():
                if vm:
                    vm.destroy()
                    env.unregister_vm(vm.name)
            disk_obj.replace_image_file_content(grub_file, kernel_config_line,
                                                kernel_config_set)
        logging.debug("Guest cmdline 'pci=nomsi' setting is: [ %s ]" %
                       disable_pci_msi)

    # Clone master image from vms.
    base_dir = data_dir.get_data_dir()
    if params.get("master_images_clone"):
        for vm_name in params.get("vms").split():
            vm = env.get_vm(vm_name)
            if vm:
                vm.destroy(free_mac_addresses=False)
                env.unregister_vm(vm_name)

            vm_params = params.object_params(vm_name)
            for image in vm_params.get("master_images_clone").split():
                image_obj = qemu_storage.QemuImg(params, base_dir, image)
                image_obj.clone_image(params, vm_name, image, base_dir)

    # Preprocess all VMs and images
    if params.get("not_preprocess", "no") == "no":
        process(test, params, env, preprocess_image, preprocess_vm)

    # Start the screendump thread
    if params.get("take_regular_screendumps") == "yes":
        global _screendump_thread, _screendump_thread_termination_event
        _screendump_thread_termination_event = threading.Event()
        _screendump_thread = threading.Thread(target=_take_screendumps,
                                              name='ScreenDump',
                                              args=(test, params, env))
        _screendump_thread.start()

    return params