Пример #1
0
def run(test, params, env):
    """
    Test the pull-mode backup function

    Steps:
    1. craete a vm with extra disk vdb
    2. create some data on vdb
    3. start a pull mode full backup on vdb
    4. create some data on vdb
    5. start a pull mode incremental backup
    6. repeat step 5 to 7
    7. check the full/incremental backup file data
    """

    # Basic case config
    hotplug_disk = "yes" == params.get("hotplug_disk", "no")
    original_disk_size = params.get("original_disk_size", "100M")
    original_disk_type = params.get("original_disk_type", "local")
    original_disk_target = params.get("original_disk_target", "vdb")
    local_hostname = params.get("loal_hostname", "localhost")
    local_ip = params.get("local_ip", "127.0.0.1")
    local_user_name = params.get("local_user_name", "root")
    local_user_password = params.get("local_user_password", "redhat")
    tmp_dir = data_dir.get_tmp_dir()
    # Backup config
    scratch_type = params.get("scratch_type", "file")
    reuse_scratch_file = "yes" == params.get("reuse_scratch_file")
    prepare_scratch_file = "yes" == params.get("prepare_scratch_file")
    scratch_blkdev_path = params.get("scratch_blkdev_path")
    scratch_blkdev_size = params.get("scratch_blkdev_size", original_disk_size)
    prepare_scratch_blkdev = "yes" == params.get("prepare_scratch_blkdev")
    backup_rounds = int(params.get("backup_rounds", 3))
    backup_error = "yes" == params.get("backup_error")
    expect_backup_canceled = "yes" == params.get("expect_backup_canceled")
    # NBD service config
    nbd_protocol = params.get("nbd_protocol", "unix")
    nbd_socket = params.get("nbd_socket", "/tmp/pull_backup.socket")
    nbd_tcp_port = params.get("nbd_tcp_port", "10809")
    nbd_hostname = local_hostname
    set_exportname = "yes" == params.get("set_exportname")
    set_exportbitmap = "yes" == params.get("set_exportbitmap")
    # TLS service config
    tls_enabled = "yes" == params.get("tls_enabled")
    tls_x509_verify = "yes" == params.get("tls_x509_verify")
    custom_pki_path = "yes" == params.get("custom_pki_path")
    tls_client_ip = tls_server_ip = local_ip
    tls_client_cn = tls_server_cn = local_hostname
    tls_client_user = tls_server_user = local_user_name
    tls_client_pwd = tls_server_pwd = local_user_password
    tls_provide_client_cert = "yes" == params.get("tls_provide_client_cert")
    tls_error = "yes" == params.get("tls_error")
    # LUKS config
    scratch_luks_encrypted = "yes" == params.get("scratch_luks_encrypted")
    luks_passphrase = params.get("luks_passphrase", "password")

    # Cancel the test if libvirt support related functions
    if not libvirt_version.version_compare(6, 0, 0):
        test.cancel("Current libvirt version doesn't support "
                    "incremental backup.")
    if tls_enabled and not libvirt_version.version_compare(6, 6, 0):
        test.cancel("Current libvirt version doesn't support pull mode "
                    "backup with tls nbd.")

    try:
        vm_name = params.get("main_vm")
        vm = env.get_vm(vm_name)

        # Make sure there is no checkpoint metadata before test
        utils_backup.clean_checkpoints(vm_name)

        # Backup vm xml
        vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
        vmxml_backup = vmxml.copy()
        utils_backup.enable_inc_backup_for_vm(vm)

        # Prepare tls env
        if tls_enabled:
            # Prepare pki
            tls_config = {
                "qemu_tls": "yes",
                "auto_recover": "yes",
                "client_ip": tls_client_ip,
                "server_ip": tls_server_ip,
                "client_cn": tls_client_cn,
                "server_cn": tls_server_cn,
                "client_user": tls_client_user,
                "server_user": tls_server_user,
                "client_pwd": tls_client_pwd,
                "server_pwd": tls_server_pwd,
            }
            if custom_pki_path:
                pki_path = os.path.join(tmp_dir, "inc_bkup_pki")
            else:
                pki_path = "/etc/pki/libvirt-backup/"
            if tls_x509_verify:
                tls_config["client_ip"] = tls_client_ip
            tls_config["custom_pki_path"] = pki_path
            tls_obj = TLSConnection(tls_config)
            tls_obj.conn_setup(True, tls_provide_client_cert)
            logging.debug("TLS certs in: %s" % pki_path)
            # Set qemu.conf
            qemu_config = LibvirtQemuConfig()
            if tls_x509_verify:
                qemu_config.backup_tls_x509_verify = True
            else:
                qemu_config.backup_tls_x509_verify = False
            if custom_pki_path:
                qemu_config.backup_tls_x509_cert_dir = pki_path
            utils_libvirtd.Libvirtd().restart()

        # Prepare libvirt secret
        if scratch_luks_encrypted:
            utils_secret.clean_up_secrets()
            luks_secret_uuid = libvirt.create_secret(params)
            virsh.secret_set_value(luks_secret_uuid,
                                   luks_passphrase,
                                   encode=True,
                                   debug=True)

        # Prepare the disk to be backuped.
        disk_params = {}
        disk_path = ""
        if original_disk_type == "local":
            image_name = "{}_image.qcow2".format(original_disk_target)
            disk_path = os.path.join(tmp_dir, image_name)
            libvirt.create_local_disk("file", disk_path, original_disk_size,
                                      "qcow2")
            disk_params = {
                "device_type": "disk",
                "type_name": "file",
                "driver_type": "qcow2",
                "target_dev": original_disk_target,
                "source_file": disk_path
            }
            if original_disk_target:
                disk_params["target_dev"] = original_disk_target
        elif original_disk_type == "iscsi":
            iscsi_host = '127.0.0.1'
            iscsi_target, lun_num = libvirt.setup_or_cleanup_iscsi(
                is_setup=True,
                is_login=False,
                image_size=original_disk_size,
                portal_ip=iscsi_host)
            disk_path = ("iscsi://[%s]/%s/%s" %
                         (iscsi_host, iscsi_target, lun_num))
            process.run("qemu-img create -f qcow2 %s %s" %
                        (disk_path, original_disk_size),
                        shell=True,
                        verbose=True)
            disk_params = {
                'device_type': 'disk',
                'type_name': 'network',
                "driver_type": "qcow2",
                'target_dev': original_disk_target
            }
            disk_params_src = {
                'source_protocol': 'iscsi',
                'source_name': iscsi_target + "/%s" % lun_num,
                'source_host_name': iscsi_host,
                'source_host_port': '3260'
            }
            disk_params.update(disk_params_src)
        elif original_disk_type == "gluster":
            gluster_vol_name = "gluster_vol"
            gluster_pool_name = "gluster_pool"
            gluster_img_name = "gluster.qcow2"
            gluster_host_ip = gluster.setup_or_cleanup_gluster(
                is_setup=True,
                vol_name=gluster_vol_name,
                pool_name=gluster_pool_name,
                **params)
            disk_path = 'gluster://%s/%s/%s' % (
                gluster_host_ip, gluster_vol_name, gluster_img_name)
            process.run("qemu-img create -f qcow2 %s %s" %
                        (disk_path, original_disk_size),
                        shell=True,
                        verbose=True)
            disk_params = {
                'device_type': 'disk',
                'type_name': 'network',
                "driver_type": "qcow2",
                'target_dev': original_disk_target
            }
            disk_params_src = {
                'source_protocol': 'gluster',
                'source_name': gluster_vol_name + "/%s" % gluster_img_name,
                'source_host_name': gluster_host_ip,
                'source_host_port': '24007'
            }
            disk_params.update(disk_params_src)
        else:
            test.error("The disk type '%s' not supported in this script.",
                       original_disk_type)
        if hotplug_disk:
            vm.start()
            session = vm.wait_for_login().close()
            disk_xml = libvirt.create_disk_xml(disk_params)
            virsh.attach_device(vm_name, disk_xml, debug=True)
        else:
            disk_xml = libvirt.create_disk_xml(disk_params)
            virsh.attach_device(vm.name,
                                disk_xml,
                                flagstr="--config",
                                debug=True)
            vm.start()
        session = vm.wait_for_login()
        new_disks_in_vm = list(utils_disk.get_linux_disks(session).keys())
        session.close()
        if len(new_disks_in_vm) != 1:
            test.fail("Test disk not prepared in vm")

        # Use the newly added disk as the test disk
        test_disk_in_vm = "/dev/" + new_disks_in_vm[0]

        vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
        vm_disks = list(vmxml.get_disk_all().keys())

        checkpoint_list = []
        is_incremental = False
        backup_file_list = []
        for backup_index in range(backup_rounds):
            # Prepare backup xml
            backup_params = {"backup_mode": "pull"}
            if backup_index > 0:
                is_incremental = True
                backup_params["backup_incremental"] = "checkpoint_" + str(
                    backup_index - 1)

            # Set libvirt default nbd export name and bitmap name
            nbd_export_name = original_disk_target
            nbd_bitmap_name = "backup-" + original_disk_target

            backup_server_dict = {}
            if nbd_protocol == "unix":
                backup_server_dict["transport"] = "unix"
                backup_server_dict["socket"] = nbd_socket
            else:
                backup_server_dict["name"] = nbd_hostname
                backup_server_dict["port"] = nbd_tcp_port
                if tls_enabled:
                    backup_server_dict["tls"] = "yes"
            backup_params["backup_server"] = backup_server_dict
            backup_disk_xmls = []
            for vm_disk in vm_disks:
                backup_disk_params = {"disk_name": vm_disk}
                if vm_disk != original_disk_target:
                    backup_disk_params["enable_backup"] = "no"
                else:
                    backup_disk_params["enable_backup"] = "yes"
                    backup_disk_params["disk_type"] = scratch_type

                    # Custom nbd export name and bitmap name if required
                    if set_exportname:
                        nbd_export_name = original_disk_target + "_custom_exp"
                        backup_disk_params["exportname"] = nbd_export_name
                    if set_exportbitmap:
                        nbd_bitmap_name = original_disk_target + "_custom_bitmap"
                        backup_disk_params["exportbitmap"] = nbd_bitmap_name

                    # Prepare nbd scratch file/dev params
                    scratch_params = {"attrs": {}}
                    scratch_path = None
                    if scratch_type == "file":
                        scratch_file_name = "scratch_file_%s" % backup_index
                        scratch_path = os.path.join(tmp_dir, scratch_file_name)
                        if prepare_scratch_file:
                            libvirt.create_local_disk("file", scratch_path,
                                                      original_disk_size,
                                                      "qcow2")
                        scratch_params["attrs"]["file"] = scratch_path
                    elif scratch_type == "block":
                        if prepare_scratch_blkdev:
                            scratch_path = libvirt.setup_or_cleanup_iscsi(
                                is_setup=True, image_size=scratch_blkdev_size)
                        scratch_params["attrs"]["dev"] = scratch_path
                    else:
                        test.fail(
                            "We do not support backup scratch type: '%s'" %
                            scratch_type)
                    if scratch_luks_encrypted:
                        encryption_dict = {
                            "encryption": "luks",
                            "secret": {
                                "type": "passphrase",
                                "uuid": luks_secret_uuid
                            }
                        }
                        scratch_params["encryption"] = encryption_dict
                    logging.debug("scratch params: %s", scratch_params)
                    backup_disk_params["backup_scratch"] = scratch_params

                backup_disk_xml = utils_backup.create_backup_disk_xml(
                    backup_disk_params)
                backup_disk_xmls.append(backup_disk_xml)
            logging.debug("disk list %s", backup_disk_xmls)
            backup_xml = utils_backup.create_backup_xml(
                backup_params, backup_disk_xmls)
            logging.debug("ROUND_%s Backup Xml: %s", backup_index, backup_xml)

            # Prepare checkpoint xml
            checkpoint_name = "checkpoint_%s" % backup_index
            checkpoint_list.append(checkpoint_name)
            cp_params = {"checkpoint_name": checkpoint_name}
            cp_params["checkpoint_desc"] = params.get(
                "checkpoint_desc", "desc of cp_%s" % backup_index)
            disk_param_list = []
            for vm_disk in vm_disks:
                cp_disk_param = {"name": vm_disk}
                if vm_disk != original_disk_target:
                    cp_disk_param["checkpoint"] = "no"
                else:
                    cp_disk_param["checkpoint"] = "bitmap"
                    cp_disk_bitmap = params.get("cp_disk_bitmap")
                    if cp_disk_bitmap:
                        cp_disk_param["bitmap"] = cp_disk_bitmap + str(
                            backup_index)
                disk_param_list.append(cp_disk_param)
            checkpoint_xml = utils_backup.create_checkpoint_xml(
                cp_params, disk_param_list)
            logging.debug("ROUND_%s Checkpoint Xml: %s", backup_index,
                          checkpoint_xml)

            # Create some data in vdb
            dd_count = "1"
            dd_seek = str(backup_index * 10 + 10)
            dd_bs = "1M"
            session = vm.wait_for_login()
            utils_disk.dd_data_to_vm_disk(session, test_disk_in_vm, dd_bs,
                                          dd_seek, dd_count)
            session.close()
            # Start backup
            backup_options = backup_xml.xml + " " + checkpoint_xml.xml
            if reuse_scratch_file:
                backup_options += " --reuse-external"
            backup_result = virsh.backup_begin(vm_name,
                                               backup_options,
                                               ignore_status=True,
                                               debug=True)
            if backup_result.exit_status:
                raise utils_backup.BackupBeginError(
                    backup_result.stderr.strip())
            # If required, do some error operations during backup job
            error_operation = params.get("error_operation")
            if error_operation:
                if "destroy_vm" in error_operation:
                    vm.destroy(gracefully=False)
                if "kill_qemu" in error_operation:
                    utils_misc.safe_kill(vm.get_pid(), signal.SIGKILL)
                if utils_misc.wait_for(
                        lambda: utils_backup.is_backup_canceled(vm_name),
                        timeout=5):
                    raise utils_backup.BackupCanceledError()
                elif expect_backup_canceled:
                    test.fail("Backup job should be canceled but not.")
            backup_file_path = os.path.join(
                tmp_dir, "backup_file_%s.qcow2" % str(backup_index))
            backup_file_list.append(backup_file_path)
            nbd_params = {
                "nbd_protocol": nbd_protocol,
                "nbd_export": nbd_export_name
            }
            if nbd_protocol == "unix":
                nbd_params["nbd_socket"] = nbd_socket
            elif nbd_protocol == "tcp":
                nbd_params["nbd_hostname"] = nbd_hostname
                nbd_params["nbd_tcp_port"] = nbd_tcp_port
                if tls_enabled:
                    nbd_params["tls_dir"] = pki_path
                    nbd_params["tls_server_ip"] = tls_server_ip
            if not is_incremental:
                # Do full backup
                try:
                    utils_backup.pull_full_backup_to_file(
                        nbd_params, backup_file_path)
                except Exception as details:
                    if tls_enabled and tls_error:
                        raise utils_backup.BackupTLSError(details)
                    else:
                        test.fail("Fail to get full backup data: %s" % details)
                logging.debug("Full backup to: %s", backup_file_path)
            else:
                # Do incremental backup
                utils_backup.pull_incremental_backup_to_file(
                    nbd_params, backup_file_path, nbd_bitmap_name,
                    original_disk_size)
            # Check if scratch file encrypted
            if scratch_luks_encrypted and scratch_path:
                cmd = "qemu-img info -U %s" % scratch_path
                result = process.run(cmd, shell=True,
                                     verbose=True).stdout_text.strip()
                if (not re.search("format.*luks", result, re.IGNORECASE)
                        or not re.search("encrypted.*yes", result,
                                         re.IGNORECASE)):
                    test.fail("scratch file/dev is not encrypted by LUKS")
            virsh.domjobabort(vm_name, debug=True)

        for checkpoint_name in checkpoint_list:
            virsh.checkpoint_delete(vm_name, checkpoint_name, debug=True)
        if vm.is_alive():
            vm.destroy(gracefully=False)

        # Compare the backup data and original data
        original_data_file = os.path.join(tmp_dir, "original_data.qcow2")
        cmd = "qemu-img convert -f qcow2 %s -O qcow2 %s" % (disk_path,
                                                            original_data_file)
        process.run(cmd, shell=True, verbose=True)
        for backup_file in backup_file_list:
            if not utils_backup.cmp_backup_data(original_data_file,
                                                backup_file):
                test.fail("Backup and original data are not identical for"
                          "'%s' and '%s'" % (disk_path, backup_file))
            else:
                logging.debug("'%s' contains correct backup data", backup_file)
    except utils_backup.BackupBeginError as detail:
        if backup_error:
            logging.debug("Backup failed as expected.")
        else:
            test.fail("Backup failed to start: %s" % detail)
    except utils_backup.BackupTLSError as detail:
        if tls_error:
            logging.debug("Failed to get backup data as expected.")
        else:
            test.fail("Failed to get tls backup data: %s" % detail)
    except utils_backup.BackupCanceledError as detail:
        if expect_backup_canceled:
            logging.debug("Backup canceled as expected.")
            if not vm.is_alive():
                logging.debug("Check if vm can be started again when backup "
                              "canceled.")
                vm.start()
                vm.wait_for_login().close()
        else:
            test.fail("Backup job canceled: %s" % detail)
    finally:
        # Remove checkpoints
        clean_checkpoint_metadata = not vm.is_alive()
        if "error_operation" in locals() and error_operation is not None:
            if "kill_qemu" in error_operation:
                clean_checkpoint_metadata = True
        utils_backup.clean_checkpoints(
            vm_name, clean_metadata=clean_checkpoint_metadata)

        if vm.is_alive():
            vm.destroy(gracefully=False)

        # Restoring vm
        vmxml_backup.sync()

        # Remove iscsi devices
        if original_disk_type == "iscsi" or scratch_type == "block":
            libvirt.setup_or_cleanup_iscsi(False)

        # Remove gluster devices
        if original_disk_type == "gluster":
            gluster.setup_or_cleanup_gluster(is_setup=False,
                                             vol_name=gluster_vol_name,
                                             pool_name=gluster_pool_name,
                                             **params)

        # Recover qemu.conf
        if "qemu_config" in locals():
            qemu_config.restore()

        # Remove tls object
        if "tls_obj" in locals():
            del tls_obj

        # Remove libvirt secret
        if "luks_secret_uuid" in locals():
            virsh.secret_undefine(luks_secret_uuid, ignore_status=True)
Пример #2
0
def run(test, params, env):
    """
    Test rbd disk device.

    1.Prepare test environment,destroy or suspend a VM.
    2.Prepare disk image.
    3.Edit disks xml and start the domain.
    4.Perform test operation.
    5.Recover test environment.
    """
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    virsh_dargs = {'debug': True, 'ignore_status': True}
    additional_xml_file = os.path.join(data_dir.get_tmp_dir(),
                                       "additional_disk.xml")

    def config_ceph():
        """
        Write the configs to the file.
        """
        src_host = disk_src_host.split()
        src_port = disk_src_port.split()
        conf_str = "mon_host = "
        hosts = []
        for host, port in zip(src_host, src_port):
            hosts.append("%s:%s" % (host, port))
        with open(disk_src_config, 'w') as f:
            f.write(conf_str + ','.join(hosts) + '\n')

    def create_pool():
        """
        Define and start a pool.
        """
        sp = libvirt_storage.StoragePool()
        if create_by_xml:
            p_xml = pool_xml.PoolXML(pool_type=pool_type)
            p_xml.name = pool_name
            s_xml = pool_xml.SourceXML()
            s_xml.vg_name = disk_src_pool
            source_host = []
            for (host_name, host_port) in zip(disk_src_host.split(),
                                              disk_src_port.split()):
                source_host.append({'name': host_name, 'port': host_port})

            s_xml.hosts = source_host
            if auth_type:
                s_xml.auth_type = auth_type
            if auth_user:
                s_xml.auth_username = auth_user
            if auth_usage:
                s_xml.secret_usage = auth_usage
            p_xml.source = s_xml
            logging.debug("Pool xml: %s", p_xml)
            p_xml.xmltreefile.write()
            ret = virsh.pool_define(p_xml.xml, **virsh_dargs)
            libvirt.check_exit_status(ret)
            ret = virsh.pool_build(pool_name, **virsh_dargs)
            libvirt.check_exit_status(ret)
            ret = virsh.pool_start(pool_name, **virsh_dargs)
            libvirt.check_exit_status(ret)
        else:
            auth_opt = ""
            if client_name and client_key:
                auth_opt = (
                    "--auth-type %s --auth-username %s --secret-usage '%s'" %
                    (auth_type, auth_user, auth_usage))
            if not sp.define_rbd_pool(
                    pool_name, mon_host, disk_src_pool, extra=auth_opt):
                test.fail("Failed to define storage pool")
            if not sp.build_pool(pool_name):
                test.fail("Failed to build storage pool")
            if not sp.start_pool(pool_name):
                test.fail("Failed to start storage pool")

        # Check pool operation
        ret = virsh.pool_refresh(pool_name, **virsh_dargs)
        libvirt.check_exit_status(ret)
        ret = virsh.pool_uuid(pool_name, **virsh_dargs)
        libvirt.check_exit_status(ret)
        # pool-info
        pool_info = sp.pool_info(pool_name)
        if pool_info["Autostart"] != 'no':
            test.fail("Failed to check pool information")
        # pool-autostart
        if not sp.set_pool_autostart(pool_name):
            test.fail("Failed to set pool autostart")
        pool_info = sp.pool_info(pool_name)
        if pool_info["Autostart"] != 'yes':
            test.fail("Failed to check pool information")
        # pool-autostart --disable
        if not sp.set_pool_autostart(pool_name, "--disable"):
            test.fail("Failed to set pool autostart")
        # If port is not pre-configured, port value should not be hardcoded in pool information.
        if "yes" == params.get("rbd_port", "no"):
            if 'port' in virsh.pool_dumpxml(pool_name):
                test.fail("port attribute should not be in pool information")
        # find-storage-pool-sources-as
        if "yes" == params.get("find_storage_pool_sources_as", "no"):
            ret = virsh.find_storage_pool_sources_as("rbd", mon_host)
            libvirt.check_result(ret, skip_if=unsupported_err)

    def create_vol(vol_params):
        """
        Create volume.

        :param p_name. Pool name.
        :param vol_params. Volume parameters dict.
        :return: True if create successfully.
        """
        pvt = libvirt.PoolVolumeTest(test, params)
        if create_by_xml:
            pvt.pre_vol_by_xml(pool_name, **vol_params)
        else:
            pvt.pre_vol(vol_name, None, '2G', None, pool_name)

    def check_vol(vol_params):
        """
        Check volume information.
        """
        pv = libvirt_storage.PoolVolume(pool_name)
        # Supported operation
        if vol_name not in pv.list_volumes():
            test.fail("Volume %s doesn't exist" % vol_name)
        ret = virsh.vol_dumpxml(vol_name, pool_name)
        libvirt.check_exit_status(ret)
        # vol-info
        if not pv.volume_info(vol_name):
            test.fail("Can't see volume info")
        # vol-key
        ret = virsh.vol_key(vol_name, pool_name)
        libvirt.check_exit_status(ret)
        if "%s/%s" % (disk_src_pool, vol_name) not in ret.stdout.strip():
            test.fail("Volume key isn't correct")
        # vol-path
        ret = virsh.vol_path(vol_name, pool_name)
        libvirt.check_exit_status(ret)
        if "%s/%s" % (disk_src_pool, vol_name) not in ret.stdout.strip():
            test.fail("Volume path isn't correct")
        # vol-pool
        ret = virsh.vol_pool("%s/%s" % (disk_src_pool, vol_name))
        libvirt.check_exit_status(ret)
        if pool_name not in ret.stdout.strip():
            test.fail("Volume pool isn't correct")
        # vol-name
        ret = virsh.vol_name("%s/%s" % (disk_src_pool, vol_name))
        libvirt.check_exit_status(ret)
        if vol_name not in ret.stdout.strip():
            test.fail("Volume name isn't correct")
        # vol-resize
        ret = virsh.vol_resize(vol_name, "2G", pool_name)
        libvirt.check_exit_status(ret)

        # Not supported operation
        # vol-clone
        ret = virsh.vol_clone(vol_name, cloned_vol_name, pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)
        # vol-create-from
        volxml = vol_xml.VolXML()
        vol_params.update({"name": "%s" % create_from_cloned_volume})
        v_xml = volxml.new_vol(**vol_params)
        v_xml.xmltreefile.write()
        ret = virsh.vol_create_from(pool_name, v_xml.xml, vol_name, pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)

        # vol-wipe
        ret = virsh.vol_wipe(vol_name, pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)
        # vol-upload
        ret = virsh.vol_upload(vol_name,
                               vm.get_first_disk_devices()['source'],
                               "--pool %s" % pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)
        # vol-download
        ret = virsh.vol_download(vol_name, cloned_vol_name,
                                 "--pool %s" % pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)

    def check_qemu_cmd():
        """
        Check qemu command line options.
        """
        cmd = ("ps -ef | grep %s | grep -v grep " % vm_name)
        process.run(cmd, shell=True)
        if disk_src_name:
            cmd += " | grep file=rbd:%s:" % disk_src_name
            if auth_user and auth_key:
                cmd += ('id=%s:auth_supported=cephx' % auth_user)
        if disk_src_config:
            cmd += " | grep 'conf=%s'" % disk_src_config
        elif mon_host:
            hosts = '\:6789\;'.join(mon_host.split())
            cmd += " | grep 'mon_host=%s'" % hosts
        if driver_iothread:
            cmd += " | grep iothread%s" % driver_iothread
        # Run the command
        process.run(cmd, shell=True)

    def check_save_restore():
        """
        Test save and restore operation
        """
        save_file = os.path.join(data_dir.get_tmp_dir(), "%s.save" % vm_name)
        ret = virsh.save(vm_name, save_file, **virsh_dargs)
        libvirt.check_exit_status(ret)
        ret = virsh.restore(save_file, **virsh_dargs)
        libvirt.check_exit_status(ret)
        if os.path.exists(save_file):
            os.remove(save_file)
        # Login to check vm status
        vm.wait_for_login().close()

    def check_snapshot(snap_option, target_dev='vda'):
        """
        Test snapshot operation.
        """
        snap_name = "s1"
        snap_mem = os.path.join(data_dir.get_tmp_dir(), "rbd.mem")
        snap_disk = os.path.join(data_dir.get_tmp_dir(), "rbd.disk")
        xml_snap_exp = [
            "disk name='%s' snapshot='external' type='file'" % target_dev
        ]
        xml_dom_exp = [
            "source file='%s'" % snap_disk,
            "backingStore type='network' index='1'",
            "source protocol='rbd' name='%s'" % disk_src_name
        ]
        if snap_option.count("disk-only"):
            options = ("%s --diskspec %s,file=%s --disk-only" %
                       (snap_name, target_dev, snap_disk))
        elif snap_option.count("disk-mem"):
            options = ("%s --memspec file=%s --diskspec %s,file="
                       "%s" % (snap_name, snap_mem, target_dev, snap_disk))
            xml_snap_exp.append("memory snapshot='external' file='%s'" %
                                snap_mem)
        else:
            options = snap_name

        ret = virsh.snapshot_create_as(vm_name, options)
        if test_disk_internal_snapshot or test_disk_readonly:
            libvirt.check_result(ret, expected_fails=unsupported_err)
        else:
            libvirt.check_result(ret, skip_if=unsupported_err)

        # check xml file.
        if not ret.exit_status:
            snap_xml = virsh.snapshot_dumpxml(vm_name, snap_name,
                                              debug=True).stdout.strip()
            dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
            # Delete snapshots.
            libvirt.clean_up_snapshots(vm_name)
            if os.path.exists(snap_mem):
                os.remove(snap_mem)
            if os.path.exists(snap_disk):
                os.remove(snap_disk)

            if not all([x in snap_xml for x in xml_snap_exp]):
                test.fail("Failed to check snapshot xml")
            if not all([x in dom_xml for x in xml_dom_exp]):
                test.fail("Failed to check domain xml")

    def check_blockcopy(target):
        """
        Block copy operation test.
        """
        blk_file = os.path.join(data_dir.get_tmp_dir(), "blk.rbd")
        if os.path.exists(blk_file):
            os.remove(blk_file)
        blk_mirror = ("mirror type='file' file='%s' "
                      "format='raw' job='copy'" % blk_file)

        # Do blockcopy
        ret = virsh.blockcopy(vm_name, target, blk_file)
        libvirt.check_result(ret, skip_if=unsupported_err)

        dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
        if not dom_xml.count(blk_mirror):
            test.fail("Can't see block job in domain xml")

        # Abort
        ret = virsh.blockjob(vm_name, target, "--abort")
        libvirt.check_exit_status(ret)
        dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
        if dom_xml.count(blk_mirror):
            test.fail("Failed to abort block job")
        if os.path.exists(blk_file):
            os.remove(blk_file)

        # Sleep for a while after abort operation.
        time.sleep(5)
        # Do blockcopy again
        ret = virsh.blockcopy(vm_name, target, blk_file)
        libvirt.check_exit_status(ret)

        # Wait for complete
        def wait_func():
            ret = virsh.blockjob(vm_name, target, "--info")
            return ret.stderr.count("Block Copy: [100 %]")

        timeout = params.get("blockjob_timeout", 600)
        utils_misc.wait_for(wait_func, int(timeout))

        # Pivot
        ret = virsh.blockjob(vm_name, target, "--pivot")
        libvirt.check_exit_status(ret)
        dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
        if not dom_xml.count("source file='%s'" % blk_file):
            test.fail("Failed to pivot block job")
        # Remove the disk file.
        if os.path.exists(blk_file):
            os.remove(blk_file)

    def check_in_vm(vm_obj, target, old_parts, read_only=False):
        """
        Check mount/read/write disk in VM.
        :param vm. VM guest.
        :param target. Disk dev in VM.
        :return: True if check successfully.
        """
        try:
            session = vm_obj.wait_for_login()
            new_parts = utils_disk.get_parts_list(session)
            added_parts = list(set(new_parts).difference(set(old_parts)))
            logging.info("Added parts:%s", added_parts)
            if len(added_parts) != 1:
                logging.error("The number of new partitions is invalid in VM")
                return False

            added_part = None
            if target.startswith("vd"):
                if added_parts[0].startswith("vd"):
                    added_part = added_parts[0]
            elif target.startswith("hd"):
                if added_parts[0].startswith("sd"):
                    added_part = added_parts[0]

            if not added_part:
                logging.error("Can't see added partition in VM")
                return False

            cmd = ("mount /dev/{0} /mnt && ls /mnt && (sleep 15;"
                   " touch /mnt/testfile; umount /mnt)".format(added_part))
            s, o = session.cmd_status_output(cmd, timeout=60)
            session.close()
            logging.info("Check disk operation in VM:\n, %s, %s", s, o)
            # Readonly fs, check the error messages.
            # The command may return True, read-only
            # messges can be found from the command output
            if read_only:
                if "Read-only file system" not in o:
                    return False
                else:
                    return True

            # Other errors
            if s != 0:
                return False
            return True

        except (remote.LoginError, virt_vm.VMError, aexpect.ShellError) as e:
            logging.error(str(e))
            return False

    def clean_up_volume_snapshots():
        """
        Get all snapshots for rbd_vol.img volume,unprotect and then clean up them.
        """
        cmd = ("rbd -m {0} {1} info {2}"
               "".format(mon_host, key_opt,
                         os.path.join(disk_src_pool, vol_name)))
        if process.run(cmd, ignore_status=True, shell=True).exit_status:
            return
        # Get snapshot list.
        cmd = ("rbd -m {0} {1} snap"
               " list {2}"
               "".format(mon_host, key_opt,
                         os.path.join(disk_src_pool, vol_name)))
        snaps_out = process.run(cmd, ignore_status=True,
                                shell=True).stdout_text
        snap_names = []
        if snaps_out:
            for line in snaps_out.rsplit("\n"):
                if line.startswith("SNAPID") or line == "":
                    continue
                snap_line = line.rsplit()
                if len(snap_line) == 4:
                    snap_names.append(snap_line[1])
            logging.debug("Find snapshots: %s", snap_names)
            # Unprotect snapshot first,otherwise it will fail to purge volume
            for snap_name in snap_names:
                cmd = ("rbd -m {0} {1} snap"
                       " unprotect {2}@{3}"
                       "".format(mon_host, key_opt,
                                 os.path.join(disk_src_pool, vol_name),
                                 snap_name))
                process.run(cmd, ignore_status=True, shell=True)
        # Purge volume,and then delete volume.
        cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} snap"
               " purge {2} && rbd -m {0} {1} rm {2}"
               "".format(mon_host, key_opt,
                         os.path.join(disk_src_pool, vol_name)))
        process.run(cmd, ignore_status=True, shell=True)

    def make_snapshot():
        """
        make external snapshots.

        :return external snapshot path list
        """
        logging.info("Making snapshot...")
        first_disk_source = vm.get_first_disk_devices()['source']
        snapshot_path_list = []
        snapshot2_file = os.path.join(data_dir.get_tmp_dir(), "mem.s2")
        snapshot3_file = os.path.join(data_dir.get_tmp_dir(), "mem.s3")
        snapshot4_file = os.path.join(data_dir.get_tmp_dir(), "mem.s4")
        snapshot4_disk_file = os.path.join(data_dir.get_tmp_dir(), "disk.s4")
        snapshot5_file = os.path.join(data_dir.get_tmp_dir(), "mem.s5")
        snapshot5_disk_file = os.path.join(data_dir.get_tmp_dir(), "disk.s5")

        # Attempt to take different types of snapshots.
        snapshots_param_dict = {
            "s1":
            "s1 --disk-only --no-metadata",
            "s2":
            "s2 --memspec %s --no-metadata" % snapshot2_file,
            "s3":
            "s3 --memspec %s --no-metadata --live" % snapshot3_file,
            "s4":
            "s4 --memspec %s --diskspec vda,file=%s --no-metadata" %
            (snapshot4_file, snapshot4_disk_file),
            "s5":
            "s5 --memspec %s --diskspec vda,file=%s --live --no-metadata" %
            (snapshot5_file, snapshot5_disk_file)
        }
        for snapshot_name in sorted(snapshots_param_dict.keys()):
            ret = virsh.snapshot_create_as(vm_name,
                                           snapshots_param_dict[snapshot_name],
                                           **virsh_dargs)
            libvirt.check_exit_status(ret)
            if snapshot_name != 's4' and snapshot_name != 's5':
                snapshot_path_list.append(
                    first_disk_source.replace('qcow2', snapshot_name))
        return snapshot_path_list

    def get_secret_list():
        """
        Get secret list.

        :return secret list
        """
        logging.info("Get secret list ...")
        secret_list_result = virsh.secret_list()
        secret_list = results_stdout_52lts(
            secret_list_result).strip().splitlines()
        # First two lines contain table header followed by entries
        # for each secret, such as:
        #
        # UUID                                  Usage
        # --------------------------------------------------------------------------------
        # b4e8f6d3-100c-4e71-9f91-069f89742273  ceph client.libvirt secret
        secret_list = secret_list[2:]
        result = []
        # If secret list is empty.
        if secret_list:
            for line in secret_list:
                # Split on whitespace, assume 1 column
                linesplit = line.split(None, 1)
                result.append(linesplit[0])
        return result

    mon_host = params.get("mon_host")
    disk_src_name = params.get("disk_source_name")
    disk_src_config = params.get("disk_source_config")
    disk_src_host = params.get("disk_source_host")
    disk_src_port = params.get("disk_source_port")
    disk_src_pool = params.get("disk_source_pool")
    disk_format = params.get("disk_format", "raw")
    driver_iothread = params.get("driver_iothread")
    snap_name = params.get("disk_snap_name")
    attach_device = "yes" == params.get("attach_device", "no")
    attach_disk = "yes" == params.get("attach_disk", "no")
    test_save_restore = "yes" == params.get("test_save_restore", "no")
    test_snapshot = "yes" == params.get("test_snapshot", "no")
    test_blockcopy = "yes" == params.get("test_blockcopy", "no")
    test_qemu_cmd = "yes" == params.get("test_qemu_cmd", "no")
    test_vm_parts = "yes" == params.get("test_vm_parts", "no")
    additional_guest = "yes" == params.get("additional_guest", "no")
    create_snapshot = "yes" == params.get("create_snapshot", "no")
    convert_image = "yes" == params.get("convert_image", "no")
    create_volume = "yes" == params.get("create_volume", "no")
    create_by_xml = "yes" == params.get("create_by_xml", "no")
    client_key = params.get("client_key")
    client_name = params.get("client_name")
    auth_key = params.get("auth_key")
    auth_user = params.get("auth_user")
    auth_type = params.get("auth_type")
    auth_usage = params.get("secret_usage")
    pool_name = params.get("pool_name")
    pool_type = params.get("pool_type")
    vol_name = params.get("vol_name")
    cloned_vol_name = params.get("cloned_volume", "cloned_test_volume")
    create_from_cloned_volume = params.get("create_from_cloned_volume",
                                           "create_from_cloned_test_volume")
    vol_cap = params.get("vol_cap")
    vol_cap_unit = params.get("vol_cap_unit")
    start_vm = "yes" == params.get("start_vm", "no")
    test_disk_readonly = "yes" == params.get("test_disk_readonly", "no")
    test_disk_internal_snapshot = "yes" == params.get(
        "test_disk_internal_snapshot", "no")
    test_json_pseudo_protocol = "yes" == params.get("json_pseudo_protocol",
                                                    "no")
    disk_snapshot_with_sanlock = "yes" == params.get(
        "disk_internal_with_sanlock", "no")
    auth_place_in_source = params.get("auth_place_in_source")

    # Prepare a blank params to confirm if delete the configure at the end of the test
    ceph_cfg = ""
    # Create config file if it doesn't exist
    ceph_cfg = ceph.create_config_file(mon_host)

    # After libvirt 3.9.0, auth element can be put into source part.
    if auth_place_in_source and not libvirt_version.version_compare(3, 9, 0):
        test.cancel(
            "place auth in source is not supported in current libvirt version")

    # Start vm and get all partions in vm.
    if vm.is_dead():
        vm.start()
    session = vm.wait_for_login()
    old_parts = utils_disk.get_parts_list(session)
    session.close()
    vm.destroy(gracefully=False)
    if additional_guest:
        guest_name = "%s_%s" % (vm_name, '1')
        timeout = params.get("clone_timeout", 360)
        utils_libguestfs.virt_clone_cmd(vm_name,
                                        guest_name,
                                        True,
                                        timeout=timeout,
                                        ignore_status=False)
        additional_vm = vm.clone(guest_name)
        if start_vm:
            virsh.start(guest_name)

    # Back up xml file.
    vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    key_opt = ""
    secret_uuid = None
    snapshot_path = None
    key_file = os.path.join(data_dir.get_tmp_dir(), "ceph.key")
    img_file = os.path.join(data_dir.get_tmp_dir(), "%s_test.img" % vm_name)
    front_end_img_file = os.path.join(data_dir.get_tmp_dir(),
                                      "%s_frontend_test.img" % vm_name)
    # Construct a unsupported error message list to skip these kind of tests
    unsupported_err = []
    if driver_iothread:
        unsupported_err.append('IOThreads not supported')
    if test_snapshot:
        unsupported_err.append('live disk snapshot not supported')
    if test_disk_readonly:
        if not libvirt_version.version_compare(5, 0, 0):
            unsupported_err.append('Could not create file: Permission denied')
            unsupported_err.append('Permission denied')
        else:
            unsupported_err.append(
                'unsupported configuration: external snapshot ' +
                'for readonly disk vdb is not supported')
    if test_disk_internal_snapshot:
        unsupported_err.append(
            'unsupported configuration: internal snapshot for disk ' +
            'vdb unsupported for storage type raw')
    if test_blockcopy:
        unsupported_err.append('block copy is not supported')
    if attach_disk:
        unsupported_err.append('No such file or directory')
    if create_volume:
        unsupported_err.append("backing 'volume' disks isn't yet supported")
        unsupported_err.append('this function is not supported')

    try:
        # Clean up dirty secrets in test environments if there have.
        dirty_secret_list = get_secret_list()
        if dirty_secret_list:
            for dirty_secret_uuid in dirty_secret_list:
                virsh.secret_undefine(dirty_secret_uuid)
        # Prepare test environment.
        qemu_config = LibvirtQemuConfig()

        if disk_snapshot_with_sanlock:
            # Install necessary package:sanlock,libvirt-lock-sanlock
            if not utils_package.package_install(["sanlock"]):
                test.error("fail to install sanlock")
            if not utils_package.package_install(["libvirt-lock-sanlock"]):
                test.error("fail to install libvirt-lock-sanlock")

            # Set virt_use_sanlock
            result = process.run("setsebool -P virt_use_sanlock 1", shell=True)
            if result.exit_status:
                test.error("Failed to set virt_use_sanlock value")

            # Update lock_manager in qemu.conf
            qemu_config.lock_manager = 'sanlock'

            # Update qemu-sanlock.conf.
            san_lock_config = LibvirtSanLockConfig()
            san_lock_config.user = '******'
            san_lock_config.group = 'sanlock'
            san_lock_config.host_id = 1
            san_lock_config.auto_disk_leases = True
            process.run("mkdir -p /var/lib/libvirt/sanlock", shell=True)
            san_lock_config.disk_lease_dir = "/var/lib/libvirt/sanlock"
            san_lock_config.require_lease_for_disks = False

            # Start sanlock service and restart libvirtd to enforce changes.
            result = process.run("systemctl start wdmd", shell=True)
            if result.exit_status:
                test.error("Failed to start wdmd service")
            result = process.run("systemctl start sanlock", shell=True)
            if result.exit_status:
                test.error("Failed to start sanlock service")
            utils_libvirtd.Libvirtd().restart()

            # Prepare lockspace and lease file for sanlock in order.
            sanlock_cmd_dict = OrderedDict()
            sanlock_cmd_dict[
                "truncate -s 1M /var/lib/libvirt/sanlock/TEST_LS"] = "Failed to truncate TEST_LS"
            sanlock_cmd_dict[
                "sanlock direct init -s TEST_LS:0:/var/lib/libvirt/sanlock/TEST_LS:0"] = "Failed to sanlock direct init TEST_LS:0"
            sanlock_cmd_dict[
                "chown sanlock:sanlock /var/lib/libvirt/sanlock/TEST_LS"] = "Failed to chown sanlock TEST_LS"
            sanlock_cmd_dict[
                "restorecon -R -v /var/lib/libvirt/sanlock"] = "Failed to restorecon sanlock"
            sanlock_cmd_dict[
                "truncate -s 1M /var/lib/libvirt/sanlock/test-disk-resource-lock"] = "Failed to truncate test-disk-resource-lock"
            sanlock_cmd_dict[
                "sanlock direct init -r TEST_LS:test-disk-resource-lock:" +
                "/var/lib/libvirt/sanlock/test-disk-resource-lock:0"] = "Failed to sanlock direct init test-disk-resource-lock"
            sanlock_cmd_dict[
                "chown sanlock:sanlock " +
                "/var/lib/libvirt/sanlock/test-disk-resource-lock"] = "Failed to chown test-disk-resource-loc"
            sanlock_cmd_dict[
                "sanlock client add_lockspace -s TEST_LS:1:" +
                "/var/lib/libvirt/sanlock/TEST_LS:0"] = "Failed to client add_lockspace -s TEST_LS:0"
            for sanlock_cmd in sanlock_cmd_dict.keys():
                result = process.run(sanlock_cmd, shell=True)
                if result.exit_status:
                    test.error(sanlock_cmd_dict[sanlock_cmd])

            # Create one lease device and add it to VM.
            san_lock_vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
            lease_device = Lease()
            lease_device.lockspace = 'TEST_LS'
            lease_device.key = 'test-disk-resource-lock'
            lease_device.target = {
                'path': '/var/lib/libvirt/sanlock/test-disk-resource-lock'
            }
            san_lock_vmxml.add_device(lease_device)
            san_lock_vmxml.sync()

        # Install ceph-common package which include rbd command
        if utils_package.package_install(["ceph-common"]):
            if client_name and client_key:
                with open(key_file, 'w') as f:
                    f.write("[%s]\n\tkey = %s\n" % (client_name, client_key))
                key_opt = "--keyring %s" % key_file

                # Create secret xml
                sec_xml = secret_xml.SecretXML("no", "no")
                sec_xml.usage = auth_type
                sec_xml.usage_name = auth_usage
                sec_xml.xmltreefile.write()

                logging.debug("Secret xml: %s", sec_xml)
                ret = virsh.secret_define(sec_xml.xml)
                libvirt.check_exit_status(ret)

                secret_uuid = re.findall(r".+\S+(\ +\S+)\ +.+\S+",
                                         ret.stdout.strip())[0].lstrip()
                logging.debug("Secret uuid %s", secret_uuid)
                if secret_uuid is None:
                    test.error("Failed to get secret uuid")

                # Set secret value
                auth_key = params.get("auth_key")
                ret = virsh.secret_set_value(secret_uuid, auth_key,
                                             **virsh_dargs)
                libvirt.check_exit_status(ret)

            # Delete the disk if it exists
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm "
                   "{2}".format(mon_host, key_opt, disk_src_name))
            process.run(cmd, ignore_status=True, shell=True)
        else:
            test.error("Failed to install ceph-common")

        if disk_src_config:
            config_ceph()
        disk_path = ("rbd:%s:mon_host=%s" % (disk_src_name, mon_host))
        if auth_user and auth_key:
            disk_path += (":id=%s:key=%s" % (auth_user, auth_key))
        targetdev = params.get("disk_target", "vdb")
        # To be compatible with create_disk_xml function,
        # some parameters need to be updated.
        params.update({
            "type_name": params.get("disk_type", "network"),
            "target_bus": params.get("disk_target_bus"),
            "target_dev": targetdev,
            "secret_uuid": secret_uuid,
            "source_protocol": params.get("disk_source_protocol"),
            "source_name": disk_src_name,
            "source_host_name": disk_src_host,
            "source_host_port": disk_src_port
        })
        # Prepare disk image
        if convert_image:
            first_disk = vm.get_first_disk_devices()
            blk_source = first_disk['source']
            # Convert the image to remote storage
            disk_cmd = ("rbd -m %s %s info %s 2> /dev/null|| qemu-img convert"
                        " -O %s %s %s" % (mon_host, key_opt, disk_src_name,
                                          disk_format, blk_source, disk_path))
            process.run(disk_cmd, ignore_status=False, shell=True)

        elif create_volume:
            vol_params = {
                "name": vol_name,
                "capacity": int(vol_cap),
                "capacity_unit": vol_cap_unit,
                "format": disk_format
            }

            create_pool()
            create_vol(vol_params)
            check_vol(vol_params)
        else:
            # Create an local image and make FS on it.
            disk_cmd = ("qemu-img create -f %s %s 10M && mkfs.ext4 -F %s" %
                        (disk_format, img_file, img_file))
            process.run(disk_cmd, ignore_status=False, shell=True)
            # Convert the image to remote storage
            disk_cmd = (
                "rbd -m %s %s info %s 2> /dev/null|| qemu-img convert -O"
                " %s %s %s" % (mon_host, key_opt, disk_src_name, disk_format,
                               img_file, disk_path))
            process.run(disk_cmd, ignore_status=False, shell=True)
            # Create disk snapshot if needed.
            if create_snapshot:
                snap_cmd = ("rbd -m %s %s snap create %s@%s" %
                            (mon_host, key_opt, disk_src_name, snap_name))
                process.run(snap_cmd, ignore_status=False, shell=True)
            if test_json_pseudo_protocol:
                # Create one frontend image with the rbd backing file.
                json_str = ('json:{"file.driver":"rbd",'
                            '"file.filename":"rbd:%s:mon_host=%s"}' %
                            (disk_src_name, mon_host))
                # pass different json string according to the auth config
                if auth_user and auth_key:
                    json_str = ('%s:id=%s:key=%s"}' %
                                (json_str[:-2], auth_user, auth_key))
                disk_cmd = ("qemu-img create -f qcow2 -b '%s' %s" %
                            (json_str, front_end_img_file))
                disk_path = front_end_img_file
                process.run(disk_cmd, ignore_status=False, shell=True)
        # If hot plug, start VM first, and then wait the OS boot.
        # Otherwise stop VM if running.
        if start_vm:
            if vm.is_dead():
                vm.start()
            vm.wait_for_login().close()
        else:
            if not vm.is_dead():
                vm.destroy()
        if attach_device:
            if create_volume:
                params.update({"source_pool": pool_name})
                params.update({"type_name": "volume"})
                # No need auth options for volume
                if "auth_user" in params:
                    params.pop("auth_user")
                if "auth_type" in params:
                    params.pop("auth_type")
                if "secret_type" in params:
                    params.pop("secret_type")
                if "secret_uuid" in params:
                    params.pop("secret_uuid")
                if "secret_usage" in params:
                    params.pop("secret_usage")
            # After 3.9.0,the auth element can be place in source part.
            if auth_place_in_source:
                params.update({"auth_in_source": auth_place_in_source})
            xml_file = libvirt.create_disk_xml(params)
            if additional_guest:
                # Copy xml_file for additional guest VM.
                shutil.copyfile(xml_file, additional_xml_file)
            opts = params.get("attach_option", "")
            ret = virsh.attach_device(vm_name,
                                      xml_file,
                                      flagstr=opts,
                                      debug=True)
            libvirt.check_result(ret, skip_if=unsupported_err)
            if additional_guest:
                # Make sure the additional VM is running
                if additional_vm.is_dead():
                    additional_vm.start()
                    additional_vm.wait_for_login().close()
                ret = virsh.attach_device(guest_name,
                                          additional_xml_file,
                                          "",
                                          debug=True)
                libvirt.check_result(ret, skip_if=unsupported_err)
        elif attach_disk:
            opts = params.get("attach_option", "")
            ret = virsh.attach_disk(vm_name, disk_path, targetdev, opts)
            libvirt.check_result(ret, skip_if=unsupported_err)
        elif test_disk_readonly:
            params.update({'readonly': "yes"})
            xml_file = libvirt.create_disk_xml(params)
            opts = params.get("attach_option", "")
            ret = virsh.attach_device(vm_name,
                                      xml_file,
                                      flagstr=opts,
                                      debug=True)
            libvirt.check_result(ret, skip_if=unsupported_err)
        elif test_disk_internal_snapshot:
            xml_file = libvirt.create_disk_xml(params)
            opts = params.get("attach_option", "")
            ret = virsh.attach_device(vm_name,
                                      xml_file,
                                      flagstr=opts,
                                      debug=True)
            libvirt.check_result(ret, skip_if=unsupported_err)
        elif disk_snapshot_with_sanlock:
            if vm.is_dead():
                vm.start()
            snapshot_path = make_snapshot()
            if vm.is_alive():
                vm.destroy()
        elif not create_volume:
            libvirt.set_vm_disk(vm, params)
        if test_blockcopy:
            logging.info("Creating %s...", vm_name)
            vmxml_for_test = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
            if vm.is_alive():
                vm.destroy(gracefully=False)
            vm.undefine()
            if virsh.create(vmxml_for_test.xml, **virsh_dargs).exit_status:
                vmxml_backup.define()
                test.fail("Can't create the domain")
        elif vm.is_dead():
            vm.start()
        # Wait for vm is running
        vm.wait_for_login(timeout=600).close()
        if additional_guest:
            if additional_vm.is_dead():
                additional_vm.start()
        # Check qemu command line
        if test_qemu_cmd:
            check_qemu_cmd()
        # Check partitions in vm
        if test_vm_parts:
            if not check_in_vm(
                    vm, targetdev, old_parts, read_only=create_snapshot):
                test.fail("Failed to check vm partitions")
            if additional_guest:
                if not check_in_vm(additional_vm, targetdev, old_parts):
                    test.fail("Failed to check vm partitions")
        # Save and restore operation
        if test_save_restore:
            check_save_restore()
        if test_snapshot:
            snap_option = params.get("snapshot_option", "")
            check_snapshot(snap_option)
        if test_blockcopy:
            check_blockcopy(targetdev)
        if test_disk_readonly:
            snap_option = params.get("snapshot_option", "")
            check_snapshot(snap_option, 'vdb')
        if test_disk_internal_snapshot:
            snap_option = params.get("snapshot_option", "")
            check_snapshot(snap_option, targetdev)
        # Detach the device.
        if attach_device:
            xml_file = libvirt.create_disk_xml(params)
            ret = virsh.detach_device(vm_name, xml_file)
            libvirt.check_exit_status(ret)
            if additional_guest:
                ret = virsh.detach_device(guest_name, xml_file)
                libvirt.check_exit_status(ret)
        elif attach_disk:
            ret = virsh.detach_disk(vm_name, targetdev)
            libvirt.check_exit_status(ret)

        # Check disk in vm after detachment.
        if attach_device or attach_disk:
            session = vm.wait_for_login()
            new_parts = utils_disk.get_parts_list(session)
            if len(new_parts) != len(old_parts):
                test.fail("Disk still exists in vm" " after detachment")
            session.close()

    except virt_vm.VMStartError as details:
        for msg in unsupported_err:
            if msg in str(details):
                test.cancel(str(details))
        else:
            test.fail("VM failed to start." "Error: %s" % str(details))
    finally:
        # Remove ceph configure file if created.
        if ceph_cfg:
            os.remove(ceph_cfg)
        # Delete snapshots.
        snapshot_lists = virsh.snapshot_list(vm_name)
        if len(snapshot_lists) > 0:
            libvirt.clean_up_snapshots(vm_name, snapshot_lists)
            for snap in snapshot_lists:
                virsh.snapshot_delete(vm_name, snap, "--metadata")

        # Recover VM.
        if vm.is_alive():
            vm.destroy(gracefully=False)
        if additional_guest:
            virsh.remove_domain(guest_name,
                                "--remove-all-storage",
                                ignore_stauts=True)
        # Remove the snapshot.
        if create_snapshot:
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} snap"
                   " purge {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt, disk_src_name))
            process.run(cmd, ignore_status=True, shell=True)
        elif create_volume:
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt,
                             os.path.join(disk_src_pool, cloned_vol_name)))
            process.run(cmd, ignore_status=True, shell=True)
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm {2}"
                   "".format(
                       mon_host, key_opt,
                       os.path.join(disk_src_pool, create_from_cloned_volume)))
            process.run(cmd, ignore_status=True, shell=True)
            clean_up_volume_snapshots()
        else:
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt, disk_src_name))
            process.run(cmd, ignore_status=True, shell=True)

        # Delete tmp files.
        if os.path.exists(key_file):
            os.remove(key_file)
        if os.path.exists(img_file):
            os.remove(img_file)
        # Clean up volume, pool
        if vol_name and vol_name in str(virsh.vol_list(pool_name).stdout):
            virsh.vol_delete(vol_name, pool_name)
        if pool_name and pool_name in virsh.pool_state_dict():
            virsh.pool_destroy(pool_name, **virsh_dargs)
            virsh.pool_undefine(pool_name, **virsh_dargs)

        # Clean up secret
        secret_list = get_secret_list()
        if secret_list:
            for secret_uuid in secret_list:
                virsh.secret_undefine(secret_uuid)

        logging.info("Restoring vm...")
        vmxml_backup.sync()

        if disk_snapshot_with_sanlock:
            # Restore virt_use_sanlock setting.
            process.run("setsebool -P virt_use_sanlock 0", shell=True)
            # Restore qemu config
            qemu_config.restore()
            utils_libvirtd.Libvirtd().restart()
            # Force shutdown sanlock service.
            process.run("sanlock client shutdown -f 1", shell=True)
            # Clean up lockspace folder
            process.run("rm -rf  /var/lib/libvirt/sanlock/*", shell=True)
            if snapshot_path is not None:
                for snapshot in snapshot_path:
                    if os.path.exists(snapshot):
                        os.remove(snapshot)
        snapshot_lists = virsh.snapshot_list(vm_name)
        if len(snapshot_lists) > 0:
            libvirt.clean_up_snapshots(vm_name, snapshot_lists)
            for snapshot in snapshot_lists:
                virsh.snapshot_delete(vm_name, snapshot, "--metadata")

        # Recover VM.
        if vm.is_alive():
            vm.destroy(gracefully=False)
        logging.info("Restoring vm...")
        virsh.undefine(vm_name)
        virsh.define(vm_xml_file)
        os.remove(vm_xml_file)

        # Restore qemu_config file.
        qemu_config.restore()
        utils_libvirtd.libvirtd_restart()

        for img in disks_img:
            os.remove(img["source"])
            if os.path.exists(img["path"]):
                utils.run("umount %s && rmdir %s"
                          % (img["path"], img["path"]), ignore_status=True)

        for img in disks:
            if img.has_key("disk_dev"):
                if img["format"] == "nfs":
                    img["disk_dev"].cleanup()

                del img["disk_dev"]
            else:
Пример #4
0
def run(test, params, env):
    """
    Test virtiofs filesystem device:

    1.Start guest with 1/2 virtiofs filesystem devices.
    2.Start 2 guest with the same virtiofs filesystem device.
    3.Coldplug/Coldunplug virtiofs filesystem device
    4.Share data between guests and host.
    5.Lifecycle for guest with virtiofs filesystem device.
    """
    def generate_expected_process_option(expected_results):
        """
        Generate expected virtiofsd process option
        """
        if cache_mode != "auto":
            expected_results = "cache=%s" % cache_mode
        if xattr == "on":
            expected_results += ",xattr"
        elif xattr == "off":
            expected_results += ",no_xattr"
        if flock == "on":
            expected_results += ",flock"
        else:
            expected_results += ",no_flock"
        if lock_posix == "on":
            expected_results += ",posix_lock"
        else:
            expected_results += ",no_posix_lock"
        logging.debug(expected_results)
        return expected_results

    def shared_data(vm_names, fs_devs):
        """
        Shared data between guests and host:
        1.Mount dir in guest;
        2.Write a file in guest;
        3.Check the md5sum value are the same in guests and host;
        """
        md5s = []
        for vm in vms:
            session = vm.wait_for_login()
            for fs_dev in fs_devs:
                logging.debug(fs_dev)
                mount_dir = '/var/tmp/' + fs_dev.target['dir']
                session.cmd('rm -rf %s' % mount_dir, ignore_all_errors=False)
                session.cmd('mkdir -p %s' % mount_dir)
                logging.debug("mount virtiofs dir in guest")
                cmd = "mount -t virtiofs %s %s" % (fs_dev.target['dir'],
                                                   mount_dir)
                status, output = session.cmd_status_output(cmd, timeout=300)
                if status != 0:
                    session.close()
                    test.fail("mount virtiofs dir failed: %s" % output)
                if vm == vms[0]:
                    filename_guest = mount_dir + '/' + vm.name
                    cmd = "dd if=/dev/urandom of=%s bs=1M count=512 oflag=direct" % filename_guest
                    status, output = session.cmd_status_output(cmd,
                                                               timeout=300)
                    if status != 0:
                        session.close()
                        test.fail("Write data failed: %s" % output)
                md5_value = session.cmd_status_output(
                    "md5sum %s" % filename_guest)[1].strip().split()[0]
                md5s.append(md5_value)
                logging.debug(md5_value)
                md5_value = process.run(
                    "md5sum %s" %
                    filename_guest).stdout_text.strip().split()[0]
                logging.debug(md5_value)
                md5s.append(md5_value)
            session.close()
        if len(set(md5s)) != len(fs_devs):
            test.fail("The md5sum value are not the same in guests and host")

    def launch_externally_virtiofs(source_dir, source_socket):
        """
        Launch externally virtiofs

        :param source_dir:  the dir shared on host
        :param source_socket: the socket file listened on
        """
        process.run('chcon -t virtd_exec_t %s' % path,
                    ignore_status=False,
                    shell=True)
        cmd = "systemd-run %s --socket-path=%s -o source=%s" % (
            path, source_socket, source_dir)
        try:
            process.run(cmd, ignore_status=False, shell=True)
            # Make sure the socket is created
            utils_misc.wait_for(lambda: os.path.isdir(source_socket),
                                timeout=3)
            process.run("chown qemu:qemu %s" % source_socket,
                        ignore_status=False)
            process.run('chcon -t svirt_image_t %s' % source_socket,
                        ignore_status=False,
                        shell=True)
        except Exception as err:
            cmd = "pkill virtiofsd"
            process.run(cmd, shell=True)
            test.fail("{}".format(err))

    def prepare_stress_script(script_path, script_content):
        """
        Refer to xfstest generic/531. Create stress test script to create a lot of unlinked files.

        :param source_path: The path of script
        :param content: The content of stress script
        """
        logging.debug("stress script path: %s content: %s" %
                      (script_path, script_content))
        script_lines = script_content.split(';')
        try:
            with open(script_path, 'w') as fd:
                fd.write('\n'.join(script_lines))
            os.chmod(script_path, 0o777)
        except Exception as e:
            test.error("Prepare the guest stress script failed %s" % e)

    def run_stress_script(session, script_path):
        """
        Run stress script in the guest

        :param session: guest session
        :param script_path: The path of script in the guest
        """
        # Set ULIMIT_NOFILE to increase the number of unlinked files
        session.cmd("ulimit -n 500000 && /usr/bin/python3 %s" % script_path,
                    timeout=120)

    def umount_fs(vm):
        """
        Unmount the filesystem in guest

        :param vm: filesystem in this vm that should be unmounted
        """
        if vm.is_alive():
            session = vm.wait_for_login()
            for fs_dev in fs_devs:
                mount_dir = '/var/tmp/' + fs_dev.target['dir']
                session.cmd('umount -f %s' % mount_dir, ignore_all_errors=True)
                session.cmd('rm -rf %s' % mount_dir, ignore_all_errors=True)
            session.close()

    def check_detached_xml(vm):
        """
        Check whether there is xml about the filesystem device
        in the vm xml

        :param vm: the vm to be checked
        """
        vmxml = vm_xml.VMXML.new_from_dumpxml(vm.name)
        filesystems = vmxml.devices.by_device_tag('filesystem')
        if filesystems:
            test.fail("There should be no filesystem devices in guest "
                      "xml after hotunplug")

    def check_filesystem_in_guest(vm, fs_dev):
        """
        Check whether there is virtiofs in vm

        :param vm: the vm to be checked
        :param fs_dev: the virtiofs device to be checked
        """
        session = vm.wait_for_login()
        mount_dir = '/var/tmp/' + fs_dev.target['dir']
        cmd = "mkdir %s; mount -t virtiofs %s %s" % (
            mount_dir, fs_dev.target['dir'], mount_dir)
        status, output = session.cmd_status_output(cmd, timeout=300)
        session.cmd('rm -rf %s' % mount_dir, ignore_all_errors=True)
        if not status:
            test.fail(
                "Mount virtiofs should failed after hotunplug device. %s" %
                output)
        session.close()

    start_vm = params.get("start_vm", "no")
    vm_names = params.get("vms", "avocado-vt-vm1").split()
    cache_mode = params.get("cache_mode", "none")
    xattr = params.get("xattr", "on")
    lock_posix = params.get("lock_posix", "on")
    flock = params.get("flock", "on")
    xattr = params.get("xattr", "on")
    path = params.get("virtiofsd_path", "/usr/libexec/virtiofsd")
    queue_size = int(params.get("queue_size", "512"))
    driver_type = params.get("driver_type", "virtiofs")
    guest_num = int(params.get("guest_num", "1"))
    fs_num = int(params.get("fs_num", "1"))
    vcpus_per_cell = int(params.get("vcpus_per_cell", 2))
    dir_prefix = params.get("dir_prefix", "mount_tag")
    error_msg_start = params.get("error_msg_start", "")
    error_msg_save = params.get("error_msg_save", "")
    status_error = params.get("status_error", "no") == "yes"
    socket_file_checking = params.get("socket_file_checking", "no") == "yes"
    suspend_resume = params.get("suspend_resume", "no") == "yes"
    managedsave = params.get("managedsave", "no") == "yes"
    coldplug = params.get("coldplug", "no") == "yes"
    hotplug_unplug = params.get("hotplug_unplug", "no") == "yes"
    detach_device_alias = params.get("detach_device_alias", "no") == "yes"
    extra_hugepages = params.get_numeric("extra_hugepages")
    edit_start = params.get("edit_start", "no") == "yes"
    with_hugepages = params.get("with_hugepages", "yes") == "yes"
    with_numa = params.get("with_numa", "yes") == "yes"
    with_memfd = params.get("with_memfd", "no") == "yes"
    source_socket = params.get("source_socket", "/var/tmp/vm001.socket")
    launched_mode = params.get("launched_mode", "auto")
    destroy_start = params.get("destroy_start", "no") == "yes"
    bug_url = params.get("bug_url", "")
    script_content = params.get("stress_script", "")
    stdio_handler_file = "file" == params.get("stdio_handler")

    fs_devs = []
    vms = []
    vmxml_backups = []
    expected_fails_msg = []
    expected_results = ""
    host_hp_size = utils_memory.get_huge_page_size()
    backup_huge_pages_num = utils_memory.get_num_huge_pages()
    huge_pages_num = 0

    if len(vm_names) != guest_num:
        test.cancel("This test needs exactly %d vms." % guest_num)

    if not libvirt_version.version_compare(7, 0, 0) and not with_numa:
        test.cancel("Not supported without NUMA before 7.0.0")

    if not libvirt_version.version_compare(7, 6, 0) and destroy_start:
        test.cancel("Bug %s is not fixed on current build" % bug_url)

    try:
        # Define filesystem device xml
        for index in range(fs_num):
            driver = {'type': driver_type, 'queue': queue_size}
            source_dir = os.path.join('/var/tmp/',
                                      str(dir_prefix) + str(index))
            logging.debug(source_dir)
            not os.path.isdir(source_dir) and os.mkdir(source_dir)
            target_dir = dir_prefix + str(index)
            source = {'socket': source_socket}
            target = {'dir': target_dir}
            if launched_mode == "auto":
                binary_keys = [
                    'path', 'cache_mode', 'xattr', 'lock_posix', 'flock'
                ]
                binary_values = [path, cache_mode, xattr, lock_posix, flock]
                binary_dict = dict(zip(binary_keys, binary_values))
                source = {'dir': source_dir}
                accessmode = "passthrough"
                fsdev_keys = [
                    'accessmode', 'driver', 'source', 'target', 'binary'
                ]
                fsdev_values = [
                    accessmode, driver, source, target, binary_dict
                ]
            else:
                fsdev_keys = ['driver', 'source', 'target']
                fsdev_values = [driver, source, target]
            fsdev_dict = dict(zip(fsdev_keys, fsdev_values))
            logging.debug(fsdev_dict)
            fs_dev = libvirt_device_utils.create_fs_xml(
                fsdev_dict, launched_mode)
            logging.debug(fs_dev)
            fs_devs.append(fs_dev)

        #Start guest with virtiofs filesystem device
        for index in range(guest_num):
            logging.debug("prepare vm %s", vm_names[index])
            vm = env.get_vm(vm_names[index])
            vms.append(vm)
            vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_names[index])
            vmxml_backup = vmxml.copy()
            vmxml_backups.append(vmxml_backup)
            if vmxml.max_mem < 1024000:
                vmxml.max_mem = 1024000
            if with_hugepages:
                huge_pages_num += vmxml.max_mem // host_hp_size + extra_hugepages
                utils_memory.set_num_huge_pages(huge_pages_num)
            vmxml.remove_all_device_by_type('filesystem')
            vmxml.sync()
            numa_no = None
            if with_numa:
                numa_no = vmxml.vcpu // vcpus_per_cell if vmxml.vcpu != 1 else 1
            vm_xml.VMXML.set_vm_vcpus(vmxml.vm_name,
                                      vmxml.vcpu,
                                      numa_number=numa_no)
            vm_xml.VMXML.set_memoryBacking_tag(vmxml.vm_name,
                                               access_mode="shared",
                                               hpgs=with_hugepages,
                                               memfd=with_memfd)
            vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_names[index])
            logging.debug(vmxml)
            if launched_mode == "externally":
                launch_externally_virtiofs(source_dir, source_socket)
            if coldplug:
                ret = virsh.attach_device(vm_names[index],
                                          fs_devs[0].xml,
                                          flagstr='--config',
                                          debug=True)
                utils_test.libvirt.check_exit_status(ret, expect_error=False)
            else:
                if not hotplug_unplug:
                    for fs in fs_devs:
                        vmxml.add_device(fs)
                        vmxml.sync()
            logging.debug(vmxml)
            libvirt_pcicontr.reset_pci_num(vm_names[index])
            result = virsh.start(vm_names[index], debug=True)
            if hotplug_unplug:
                if stdio_handler_file:
                    qemu_config = LibvirtQemuConfig()
                    qemu_config.stdio_handler = "file"
                    utils_libvirtd.Libvirtd().restart()
                for fs_dev in fs_devs:
                    ret = virsh.attach_device(vm_names[index],
                                              fs_dev.xml,
                                              ignore_status=True,
                                              debug=True)
                    libvirt.check_exit_status(ret, status_error)

                if status_error:
                    return
            if status_error and not managedsave:
                expected_error = error_msg_start
                utils_test.libvirt.check_exit_status(result, expected_error)
                return
            else:
                utils_test.libvirt.check_exit_status(result,
                                                     expect_error=False)
            expected_results = generate_expected_process_option(
                expected_results)
            if launched_mode == "auto":
                cmd = 'ps aux | grep virtiofsd | head -n 1'
                utils_test.libvirt.check_cmd_output(cmd,
                                                    content=expected_results)

        if managedsave:
            expected_error = error_msg_save
            result = virsh.managedsave(vm_names[0],
                                       ignore_status=True,
                                       debug=True)
            utils_test.libvirt.check_exit_status(result, expected_error)
        else:
            shared_data(vm_names, fs_devs)
            if suspend_resume:
                virsh.suspend(vm_names[0], debug=True, ignore_status=False)
                time.sleep(30)
                virsh.resume(vm_names[0], debug=True, ignore_statue=False)
            elif destroy_start:
                session = vm.wait_for_login(timeout=120)
                # Prepare the guest test script
                script_path = os.path.join(fs_devs[0].source["dir"], "test.py")
                script_content %= (fs_devs[0].source["dir"],
                                   fs_devs[0].source["dir"])
                prepare_stress_script(script_path, script_content)
                # Run guest stress script
                stress_script_thread = threading.Thread(
                    target=run_stress_script, args=(session, script_path))
                stress_script_thread.setDaemon(True)
                stress_script_thread.start()
                # Create a lot of unlink files
                time.sleep(60)
                virsh.destroy(vm_names[0], debug=True, ignore_status=False)
                ret = virsh.start(vm_names[0], debug=True)
                libvirt.check_exit_status(ret)
            elif edit_start:
                vmxml_virtio_backup = vm_xml.VMXML.new_from_inactive_dumpxml(
                    vm_names[0])
                if vm.is_alive():
                    virsh.destroy(vm_names[0])
                    cmd = "virt-xml %s --edit --qemu-commandline '\-foo'" % vm_names[
                        0]
                    cmd_result = process.run(cmd,
                                             ignore_status=True,
                                             shell=True)
                    logging.debug(virsh.dumpxml(vm_names[0]))
                    if cmd_result.exit_status:
                        test.error("virt-xml edit guest failed: %s" %
                                   cmd_result)
                    result = virsh.start(vm_names[0],
                                         ignore_status=True,
                                         debug=True)
                    if error_msg_start:
                        expected_fails_msg.append(error_msg_start)
                    utils_test.libvirt.check_result(
                        result, expected_fails=expected_fails_msg)
                    if not libvirt_version.version_compare(6, 10, 0):
                        # Because of bug #1897105, it was fixed in libvirt-6.10.0,
                        # before this version, need to recover the env manually.
                        cmd = "pkill virtiofsd"
                        process.run(cmd, shell=True)
                    if not vm.is_alive():
                        # Restoring vm and check if vm can start successfully
                        vmxml_virtio_backup.sync()
                        virsh.start(vm_names[0],
                                    ignore_status=False,
                                    shell=True)
            elif socket_file_checking:
                result = virsh.domid(vm_names[0])
                domid = result.stdout.strip()
                domain_dir = "var/lib/libvirt/qemu/domain-" + domid + '-' + vm_names[
                    0]
                if result.exit_status:
                    test.fail("Get domid failed.")
                    for fs_dev in fs_devs:
                        alias = fs_dev.alias['name']
                        expected_pid = domain_dir + alias + '-fs.pid'
                        expected_sock = alias + '-fs.sock'
                        status1 = process.run('ls -l %s' % expected_pid,
                                              shell=True).exit_status
                        status2 = process.run('ls -l %s' % expected_sock,
                                              shell=True).exit_status
                        if not (status1 and status2):
                            test.fail(
                                "The socket and pid file is not as expected")
            elif hotplug_unplug:
                for vm in vms:
                    umount_fs(vm)
                    for fs_dev in fs_devs:
                        if detach_device_alias:
                            alias = fs_dev.alias['name']
                            cmd = 'lsof /var/log/libvirt/qemu/%s-%s-virtiofsd.log' % (
                                vm.name, alias)
                            output = process.run(cmd).stdout_text.splitlines()
                            for item in output[1:]:
                                if stdio_handler_file:
                                    if item.split()[0] != "virtiofsd":
                                        test.fail(
                                            "When setting stdio_handler as file, the command"
                                            "to write log should be virtiofsd!"
                                        )
                                else:
                                    if item.split()[0] != "virtlogd":
                                        test.fail(
                                            "When setting stdio_handler as logd, the command"
                                            "to write log should be virtlogd!")
                            ret = virsh.detach_device_alias(
                                vm.name,
                                alias,
                                ignore_status=True,
                                debug=True,
                                wait_for_event=True)
                        else:
                            ret = virsh.detach_device(vm.name,
                                                      fs_dev.xml,
                                                      ignore_status=True,
                                                      debug=True,
                                                      wait_for_event=True)
                        libvirt.check_exit_status(ret, status_error)
                        check_filesystem_in_guest(vm, fs_dev)
                    check_detached_xml(vm)
    finally:
        for vm in vms:
            if vm.is_alive():
                umount_fs(vm)
                vm.destroy(gracefully=False)
        for vmxml_backup in vmxml_backups:
            vmxml_backup.sync()
        for index in range(fs_num):
            process.run('rm -rf %s' % '/var/tmp/' + str(dir_prefix) +
                        str(index),
                        ignore_status=False)
            process.run('rm -rf %s' % source_socket,
                        ignore_status=False,
                        shell=True)
        if launched_mode == "externally":
            process.run('restorecon %s' % path,
                        ignore_status=False,
                        shell=True)
        utils_memory.set_num_huge_pages(backup_huge_pages_num)
        if stdio_handler_file:
            qemu_config.restore()
            utils_libvirtd.Libvirtd().restart()
        snapshot_lists = virsh.snapshot_list(vm_name)
        if len(snapshot_lists) > 0:
            libvirt.clean_up_snapshots(vm_name, snapshot_lists)
            for snapshot in snapshot_lists:
                virsh.snapshot_delete(vm_name, snapshot, "--metadata")

        # Recover VM.
        if vm.is_alive():
            vm.destroy(gracefully=False)
        logging.info("Restoring vm...")
        virsh.undefine(vm_name)
        virsh.define(vm_xml_file)
        os.remove(vm_xml_file)

        # Restore qemu_config file.
        qemu_config.restore()
        utils_libvirtd.libvirtd_restart()

        for img in disks_img:
            os.remove(img["source"])
            if os.path.exists(img["path"]):
                utils.run("umount %s && rmdir %s" % (img["path"], img["path"]),
                          ignore_status=True)

        for img in disks:
            if img.has_key("disk_dev"):
                if img["format"] == "nfs":
                    img["disk_dev"].cleanup()

                del img["disk_dev"]
            else:
Пример #6
0
def run(test, params, env):
    """
    Test rbd disk device.

    1.Prepare test environment,destroy or suspend a VM.
    2.Prepare disk image.
    3.Edit disks xml and start the domain.
    4.Perform test operation.
    5.Recover test environment.
    """
    vm_name = params.get("main_vm")
    vm = env.get_vm(vm_name)
    virsh_dargs = {'debug': True, 'ignore_status': True}
    additional_xml_file = os.path.join(data_dir.get_tmp_dir(), "additional_disk.xml")

    def config_ceph():
        """
        Write the configs to the file.
        """
        src_host = disk_src_host.split()
        src_port = disk_src_port.split()
        conf_str = "mon_host = "
        hosts = []
        for host, port in zip(src_host, src_port):
            hosts.append("%s:%s" % (host, port))
        with open(disk_src_config, 'w') as f:
            f.write(conf_str + ','.join(hosts) + '\n')

    def create_pool():
        """
        Define and start a pool.
        """
        sp = libvirt_storage.StoragePool()
        if create_by_xml:
            p_xml = pool_xml.PoolXML(pool_type=pool_type)
            p_xml.name = pool_name
            s_xml = pool_xml.SourceXML()
            s_xml.vg_name = disk_src_pool
            source_host = []
            for (host_name, host_port) in zip(
                    disk_src_host.split(), disk_src_port.split()):
                source_host.append({'name': host_name,
                                    'port': host_port})

            s_xml.hosts = source_host
            if auth_type:
                s_xml.auth_type = auth_type
            if auth_user:
                s_xml.auth_username = auth_user
            if auth_usage:
                s_xml.secret_usage = auth_usage
            p_xml.source = s_xml
            logging.debug("Pool xml: %s", p_xml)
            p_xml.xmltreefile.write()
            ret = virsh.pool_define(p_xml.xml, **virsh_dargs)
            libvirt.check_exit_status(ret)
            ret = virsh.pool_build(pool_name, **virsh_dargs)
            libvirt.check_exit_status(ret)
            ret = virsh.pool_start(pool_name, **virsh_dargs)
            libvirt.check_exit_status(ret)
        else:
            auth_opt = ""
            if client_name and client_key:
                auth_opt = ("--auth-type %s --auth-username %s --secret-usage '%s'"
                            % (auth_type, auth_user, auth_usage))
            if not sp.define_rbd_pool(pool_name, mon_host,
                                      disk_src_pool, extra=auth_opt):
                test.fail("Failed to define storage pool")
            if not sp.build_pool(pool_name):
                test.fail("Failed to build storage pool")
            if not sp.start_pool(pool_name):
                test.fail("Failed to start storage pool")

        # Check pool operation
        ret = virsh.pool_refresh(pool_name, **virsh_dargs)
        libvirt.check_exit_status(ret)
        ret = virsh.pool_uuid(pool_name, **virsh_dargs)
        libvirt.check_exit_status(ret)
        # pool-info
        pool_info = sp.pool_info(pool_name)
        if pool_info["Autostart"] != 'no':
            test.fail("Failed to check pool information")
        # pool-autostart
        if not sp.set_pool_autostart(pool_name):
            test.fail("Failed to set pool autostart")
        pool_info = sp.pool_info(pool_name)
        if pool_info["Autostart"] != 'yes':
            test.fail("Failed to check pool information")
        # pool-autostart --disable
        if not sp.set_pool_autostart(pool_name, "--disable"):
            test.fail("Failed to set pool autostart")
        # If port is not pre-configured, port value should not be hardcoded in pool information.
        if "yes" == params.get("rbd_port", "no"):
            if 'port' in virsh.pool_dumpxml(pool_name):
                test.fail("port attribute should not be in pool information")
        # find-storage-pool-sources-as
        if "yes" == params.get("find_storage_pool_sources_as", "no"):
            ret = virsh.find_storage_pool_sources_as("rbd", mon_host)
            libvirt.check_result(ret, skip_if=unsupported_err)

    def create_vol(vol_params):
        """
        Create volume.

        :param p_name. Pool name.
        :param vol_params. Volume parameters dict.
        :return: True if create successfully.
        """
        pvt = libvirt.PoolVolumeTest(test, params)
        if create_by_xml:
            pvt.pre_vol_by_xml(pool_name, **vol_params)
        else:
            pvt.pre_vol(vol_name, None, '2G', None, pool_name)

    def check_vol(vol_params):
        """
        Check volume information.
        """
        pv = libvirt_storage.PoolVolume(pool_name)
        # Supported operation
        if vol_name not in pv.list_volumes():
            test.fail("Volume %s doesn't exist" % vol_name)
        ret = virsh.vol_dumpxml(vol_name, pool_name)
        libvirt.check_exit_status(ret)
        # vol-info
        if not pv.volume_info(vol_name):
            test.fail("Can't see volume info")
        # vol-key
        ret = virsh.vol_key(vol_name, pool_name)
        libvirt.check_exit_status(ret)
        if "%s/%s" % (disk_src_pool, vol_name) not in ret.stdout.strip():
            test.fail("Volume key isn't correct")
        # vol-path
        ret = virsh.vol_path(vol_name, pool_name)
        libvirt.check_exit_status(ret)
        if "%s/%s" % (disk_src_pool, vol_name) not in ret.stdout.strip():
            test.fail("Volume path isn't correct")
        # vol-pool
        ret = virsh.vol_pool("%s/%s" % (disk_src_pool, vol_name))
        libvirt.check_exit_status(ret)
        if pool_name not in ret.stdout.strip():
            test.fail("Volume pool isn't correct")
        # vol-name
        ret = virsh.vol_name("%s/%s" % (disk_src_pool, vol_name))
        libvirt.check_exit_status(ret)
        if vol_name not in ret.stdout.strip():
            test.fail("Volume name isn't correct")
        # vol-resize
        ret = virsh.vol_resize(vol_name, "2G", pool_name)
        libvirt.check_exit_status(ret)

        # Not supported operation
        # vol-clone
        ret = virsh.vol_clone(vol_name, cloned_vol_name, pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)
        # vol-create-from
        volxml = vol_xml.VolXML()
        vol_params.update({"name": "%s" % create_from_cloned_volume})
        v_xml = volxml.new_vol(**vol_params)
        v_xml.xmltreefile.write()
        ret = virsh.vol_create_from(pool_name, v_xml.xml, vol_name, pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)

        # vol-wipe
        ret = virsh.vol_wipe(vol_name, pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)
        # vol-upload
        ret = virsh.vol_upload(vol_name, vm.get_first_disk_devices()['source'],
                               "--pool %s" % pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)
        # vol-download
        ret = virsh.vol_download(vol_name, cloned_vol_name, "--pool %s" % pool_name)
        libvirt.check_result(ret, skip_if=unsupported_err)

    def check_qemu_cmd():
        """
        Check qemu command line options.
        """
        cmd = ("ps -ef | grep %s | grep -v grep " % vm_name)
        process.run(cmd, shell=True)
        if disk_src_name:
            cmd += " | grep file=rbd:%s:" % disk_src_name
            if auth_user and auth_key:
                cmd += ('id=%s:auth_supported=cephx' % auth_user)
        if disk_src_config:
            cmd += " | grep 'conf=%s'" % disk_src_config
        elif mon_host:
            hosts = '\:6789\;'.join(mon_host.split())
            cmd += " | grep 'mon_host=%s'" % hosts
        if driver_iothread:
            cmd += " | grep iothread%s" % driver_iothread
        # Run the command
        process.run(cmd, shell=True)

    def check_save_restore():
        """
        Test save and restore operation
        """
        save_file = os.path.join(data_dir.get_tmp_dir(),
                                 "%s.save" % vm_name)
        ret = virsh.save(vm_name, save_file, **virsh_dargs)
        libvirt.check_exit_status(ret)
        ret = virsh.restore(save_file, **virsh_dargs)
        libvirt.check_exit_status(ret)
        if os.path.exists(save_file):
            os.remove(save_file)
        # Login to check vm status
        vm.wait_for_login().close()

    def check_snapshot(snap_option, target_dev='vda'):
        """
        Test snapshot operation.
        """
        snap_name = "s1"
        snap_mem = os.path.join(data_dir.get_tmp_dir(), "rbd.mem")
        snap_disk = os.path.join(data_dir.get_tmp_dir(), "rbd.disk")
        xml_snap_exp = ["disk name='%s' snapshot='external' type='file'" % target_dev]
        xml_dom_exp = ["source file='%s'" % snap_disk,
                       "backingStore type='network' index='1'",
                       "source protocol='rbd' name='%s'" % disk_src_name]
        if snap_option.count("disk-only"):
            options = ("%s --diskspec %s,file=%s --disk-only" %
                       (snap_name, target_dev, snap_disk))
        elif snap_option.count("disk-mem"):
            options = ("%s --memspec file=%s --diskspec %s,file="
                       "%s" % (snap_name, snap_mem, target_dev, snap_disk))
            xml_snap_exp.append("memory snapshot='external' file='%s'"
                                % snap_mem)
        else:
            options = snap_name

        ret = virsh.snapshot_create_as(vm_name, options)
        if test_disk_internal_snapshot or test_disk_readonly:
            libvirt.check_result(ret, expected_fails=unsupported_err)
        else:
            libvirt.check_result(ret, skip_if=unsupported_err)

        # check xml file.
        if not ret.exit_status:
            snap_xml = virsh.snapshot_dumpxml(vm_name, snap_name,
                                              debug=True).stdout.strip()
            dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
            # Delete snapshots.
            libvirt.clean_up_snapshots(vm_name)
            if os.path.exists(snap_mem):
                os.remove(snap_mem)
            if os.path.exists(snap_disk):
                os.remove(snap_disk)

            if not all([x in snap_xml for x in xml_snap_exp]):
                test.fail("Failed to check snapshot xml")
            if not all([x in dom_xml for x in xml_dom_exp]):
                test.fail("Failed to check domain xml")

    def check_blockcopy(target):
        """
        Block copy operation test.
        """
        blk_file = os.path.join(data_dir.get_tmp_dir(), "blk.rbd")
        if os.path.exists(blk_file):
            os.remove(blk_file)
        blk_mirror = ("mirror type='file' file='%s' "
                      "format='raw' job='copy'" % blk_file)

        # Do blockcopy
        ret = virsh.blockcopy(vm_name, target, blk_file)
        libvirt.check_result(ret, skip_if=unsupported_err)

        dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
        if not dom_xml.count(blk_mirror):
            test.fail("Can't see block job in domain xml")

        # Abort
        ret = virsh.blockjob(vm_name, target, "--abort")
        libvirt.check_exit_status(ret)
        dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
        if dom_xml.count(blk_mirror):
            test.fail("Failed to abort block job")
        if os.path.exists(blk_file):
            os.remove(blk_file)

        # Sleep for a while after abort operation.
        time.sleep(5)
        # Do blockcopy again
        ret = virsh.blockcopy(vm_name, target, blk_file)
        libvirt.check_exit_status(ret)

        # Wait for complete
        def wait_func():
            ret = virsh.blockjob(vm_name, target, "--info")
            return ret.stderr.count("Block Copy: [100 %]")
        timeout = params.get("blockjob_timeout", 600)
        utils_misc.wait_for(wait_func, int(timeout))

        # Pivot
        ret = virsh.blockjob(vm_name, target, "--pivot")
        libvirt.check_exit_status(ret)
        dom_xml = virsh.dumpxml(vm_name, debug=True).stdout.strip()
        if not dom_xml.count("source file='%s'" % blk_file):
            test.fail("Failed to pivot block job")
        # Remove the disk file.
        if os.path.exists(blk_file):
            os.remove(blk_file)

    def check_in_vm(vm_obj, target, old_parts, read_only=False):
        """
        Check mount/read/write disk in VM.
        :param vm. VM guest.
        :param target. Disk dev in VM.
        :return: True if check successfully.
        """
        try:
            session = vm_obj.wait_for_login()
            new_parts = libvirt.get_parts_list(session)
            added_parts = list(set(new_parts).difference(set(old_parts)))
            logging.info("Added parts:%s", added_parts)
            if len(added_parts) != 1:
                logging.error("The number of new partitions is invalid in VM")
                return False

            added_part = None
            if target.startswith("vd"):
                if added_parts[0].startswith("vd"):
                    added_part = added_parts[0]
            elif target.startswith("hd"):
                if added_parts[0].startswith("sd"):
                    added_part = added_parts[0]

            if not added_part:
                logging.error("Can't see added partition in VM")
                return False

            cmd = ("mount /dev/{0} /mnt && ls /mnt && (sleep 15;"
                   " touch /mnt/testfile; umount /mnt)"
                   .format(added_part))
            s, o = session.cmd_status_output(cmd, timeout=60)
            session.close()
            logging.info("Check disk operation in VM:\n, %s, %s", s, o)
            # Readonly fs, check the error messages.
            # The command may return True, read-only
            # messges can be found from the command output
            if read_only:
                if "Read-only file system" not in o:
                    return False
                else:
                    return True

            # Other errors
            if s != 0:
                return False
            return True

        except (remote.LoginError, virt_vm.VMError, aexpect.ShellError) as e:
            logging.error(str(e))
            return False

    def clean_up_volume_snapshots():
        """
        Get all snapshots for rbd_vol.img volume,unprotect and then clean up them.
        """
        cmd = ("rbd -m {0} {1} info {2}"
               "".format(mon_host, key_opt, os.path.join(disk_src_pool, vol_name)))
        if process.run(cmd, ignore_status=True, shell=True).exit_status:
            return
        # Get snapshot list.
        cmd = ("rbd -m {0} {1} snap"
               " list {2}"
               "".format(mon_host, key_opt, os.path.join(disk_src_pool, vol_name)))
        snaps_out = process.run(cmd, ignore_status=True, shell=True).stdout_text
        snap_names = []
        if snaps_out:
            for line in snaps_out.rsplit("\n"):
                if line.startswith("SNAPID") or line == "":
                    continue
                snap_line = line.rsplit()
                if len(snap_line) == 4:
                    snap_names.append(snap_line[1])
            logging.debug("Find snapshots: %s", snap_names)
            # Unprotect snapshot first,otherwise it will fail to purge volume
            for snap_name in snap_names:
                cmd = ("rbd -m {0} {1} snap"
                       " unprotect {2}@{3}"
                       "".format(mon_host, key_opt, os.path.join(disk_src_pool, vol_name), snap_name))
                process.run(cmd, ignore_status=True, shell=True)
        # Purge volume,and then delete volume.
        cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} snap"
               " purge {2} && rbd -m {0} {1} rm {2}"
               "".format(mon_host, key_opt, os.path.join(disk_src_pool, vol_name)))
        process.run(cmd, ignore_status=True, shell=True)

    def make_snapshot():
        """
        make external snapshots.

        :return external snapshot path list
        """
        logging.info("Making snapshot...")
        first_disk_source = vm.get_first_disk_devices()['source']
        snapshot_path_list = []
        snapshot2_file = os.path.join(data_dir.get_tmp_dir(), "mem.s2")
        snapshot3_file = os.path.join(data_dir.get_tmp_dir(), "mem.s3")
        snapshot4_file = os.path.join(data_dir.get_tmp_dir(), "mem.s4")
        snapshot4_disk_file = os.path.join(data_dir.get_tmp_dir(), "disk.s4")
        snapshot5_file = os.path.join(data_dir.get_tmp_dir(), "mem.s5")
        snapshot5_disk_file = os.path.join(data_dir.get_tmp_dir(), "disk.s5")

        # Attempt to take different types of snapshots.
        snapshots_param_dict = {"s1": "s1 --disk-only --no-metadata",
                                "s2": "s2 --memspec %s --no-metadata" % snapshot2_file,
                                "s3": "s3 --memspec %s --no-metadata --live" % snapshot3_file,
                                "s4": "s4 --memspec %s --diskspec vda,file=%s --no-metadata" % (snapshot4_file, snapshot4_disk_file),
                                "s5": "s5 --memspec %s --diskspec vda,file=%s --live --no-metadata" % (snapshot5_file, snapshot5_disk_file)}
        for snapshot_name in sorted(snapshots_param_dict.keys()):
            ret = virsh.snapshot_create_as(vm_name, snapshots_param_dict[snapshot_name],
                                           **virsh_dargs)
            libvirt.check_exit_status(ret)
            if snapshot_name != 's4' and snapshot_name != 's5':
                snapshot_path_list.append(first_disk_source.replace('qcow2', snapshot_name))
        return snapshot_path_list

    def get_secret_list():
        """
        Get secret list.

        :return secret list
        """
        logging.info("Get secret list ...")
        secret_list_result = virsh.secret_list()
        secret_list = results_stdout_52lts(secret_list_result).strip().splitlines()
        # First two lines contain table header followed by entries
        # for each secret, such as:
        #
        # UUID                                  Usage
        # --------------------------------------------------------------------------------
        # b4e8f6d3-100c-4e71-9f91-069f89742273  ceph client.libvirt secret
        secret_list = secret_list[2:]
        result = []
        # If secret list is empty.
        if secret_list:
            for line in secret_list:
                # Split on whitespace, assume 1 column
                linesplit = line.split(None, 1)
                result.append(linesplit[0])
        return result

    mon_host = params.get("mon_host")
    disk_src_name = params.get("disk_source_name")
    disk_src_config = params.get("disk_source_config")
    disk_src_host = params.get("disk_source_host")
    disk_src_port = params.get("disk_source_port")
    disk_src_pool = params.get("disk_source_pool")
    disk_format = params.get("disk_format", "raw")
    driver_iothread = params.get("driver_iothread")
    snap_name = params.get("disk_snap_name")
    attach_device = "yes" == params.get("attach_device", "no")
    attach_disk = "yes" == params.get("attach_disk", "no")
    test_save_restore = "yes" == params.get("test_save_restore", "no")
    test_snapshot = "yes" == params.get("test_snapshot", "no")
    test_blockcopy = "yes" == params.get("test_blockcopy", "no")
    test_qemu_cmd = "yes" == params.get("test_qemu_cmd", "no")
    test_vm_parts = "yes" == params.get("test_vm_parts", "no")
    additional_guest = "yes" == params.get("additional_guest", "no")
    create_snapshot = "yes" == params.get("create_snapshot", "no")
    convert_image = "yes" == params.get("convert_image", "no")
    create_volume = "yes" == params.get("create_volume", "no")
    create_by_xml = "yes" == params.get("create_by_xml", "no")
    client_key = params.get("client_key")
    client_name = params.get("client_name")
    auth_key = params.get("auth_key")
    auth_user = params.get("auth_user")
    auth_type = params.get("auth_type")
    auth_usage = params.get("secret_usage")
    pool_name = params.get("pool_name")
    pool_type = params.get("pool_type")
    vol_name = params.get("vol_name")
    cloned_vol_name = params.get("cloned_volume", "cloned_test_volume")
    create_from_cloned_volume = params.get("create_from_cloned_volume", "create_from_cloned_test_volume")
    vol_cap = params.get("vol_cap")
    vol_cap_unit = params.get("vol_cap_unit")
    start_vm = "yes" == params.get("start_vm", "no")
    test_disk_readonly = "yes" == params.get("test_disk_readonly", "no")
    test_disk_internal_snapshot = "yes" == params.get("test_disk_internal_snapshot", "no")
    test_json_pseudo_protocol = "yes" == params.get("json_pseudo_protocol", "no")
    disk_snapshot_with_sanlock = "yes" == params.get("disk_internal_with_sanlock", "no")

    # Create /etc/ceph/ceph.conf file to suppress false warning error message.
    process.run("mkdir -p /etc/ceph", ignore_status=True, shell=True)
    cmd = ("echo 'mon_host = {0}' >/etc/ceph/ceph.conf"
           .format(mon_host))
    process.run(cmd, ignore_status=True, shell=True)

    # Start vm and get all partions in vm.
    if vm.is_dead():
        vm.start()
    session = vm.wait_for_login()
    old_parts = libvirt.get_parts_list(session)
    session.close()
    vm.destroy(gracefully=False)
    if additional_guest:
        guest_name = "%s_%s" % (vm_name, '1')
        timeout = params.get("clone_timeout", 360)
        utils_libguestfs.virt_clone_cmd(vm_name, guest_name,
                                        True, timeout=timeout,
                                        ignore_status=False)
        additional_vm = vm.clone(guest_name)
        if start_vm:
            virsh.start(guest_name)

    # Back up xml file.
    vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
    key_opt = ""
    secret_uuid = None
    snapshot_path = None
    key_file = os.path.join(data_dir.get_tmp_dir(), "ceph.key")
    img_file = os.path.join(data_dir.get_tmp_dir(),
                            "%s_test.img" % vm_name)
    front_end_img_file = os.path.join(data_dir.get_tmp_dir(),
                                      "%s_frontend_test.img" % vm_name)
    # Construct a unsupported error message list to skip these kind of tests
    unsupported_err = []
    if driver_iothread:
        unsupported_err.append('IOThreads not supported')
    if test_snapshot:
        unsupported_err.append('live disk snapshot not supported')
    if test_disk_readonly:
        if not libvirt_version.version_compare(5, 0, 0):
            unsupported_err.append('Could not create file: Permission denied')
            unsupported_err.append('Permission denied')
        else:
            unsupported_err.append('unsupported configuration: external snapshot ' +
                                   'for readonly disk vdb is not supported')
    if test_disk_internal_snapshot:
        unsupported_err.append('unsupported configuration: internal snapshot for disk ' +
                               'vdb unsupported for storage type raw')
    if test_blockcopy:
        unsupported_err.append('block copy is not supported')
    if attach_disk:
        unsupported_err.append('No such file or directory')
    if create_volume:
        unsupported_err.append("backing 'volume' disks isn't yet supported")
        unsupported_err.append('this function is not supported')

    try:
        # Clean up dirty secrets in test environments if there have.
        dirty_secret_list = get_secret_list()
        if dirty_secret_list:
            for dirty_secret_uuid in dirty_secret_list:
                virsh.secret_undefine(dirty_secret_uuid)
        # Prepare test environment.
        qemu_config = LibvirtQemuConfig()

        if disk_snapshot_with_sanlock:
            # Install necessary package:sanlock,libvirt-lock-sanlock
            if not utils_package.package_install(["sanlock"]):
                test.error("fail to install sanlock")
            if not utils_package.package_install(["libvirt-lock-sanlock"]):
                test.error("fail to install libvirt-lock-sanlock")

            # Set virt_use_sanlock
            result = process.run("setsebool -P virt_use_sanlock 1", shell=True)
            if result.exit_status:
                test.error("Failed to set virt_use_sanlock value")

            # Update lock_manager in qemu.conf
            qemu_config.lock_manager = 'sanlock'

            # Update qemu-sanlock.conf.
            san_lock_config = LibvirtSanLockConfig()
            san_lock_config.user = '******'
            san_lock_config.group = 'sanlock'
            san_lock_config.host_id = 1
            san_lock_config.auto_disk_leases = True
            process.run("mkdir -p /var/lib/libvirt/sanlock", shell=True)
            san_lock_config.disk_lease_dir = "/var/lib/libvirt/sanlock"
            san_lock_config.require_lease_for_disks = False

            # Start sanlock service and restart libvirtd to enforce changes.
            result = process.run("systemctl start wdmd", shell=True)
            if result.exit_status:
                test.error("Failed to start wdmd service")
            result = process.run("systemctl start sanlock", shell=True)
            if result.exit_status:
                test.error("Failed to start sanlock service")
            utils_libvirtd.Libvirtd().restart()

            # Prepare lockspace and lease file for sanlock in order.
            sanlock_cmd_dict = OrderedDict()
            sanlock_cmd_dict["truncate -s 1M /var/lib/libvirt/sanlock/TEST_LS"] = "Failed to truncate TEST_LS"
            sanlock_cmd_dict["sanlock direct init -s TEST_LS:0:/var/lib/libvirt/sanlock/TEST_LS:0"] = "Failed to sanlock direct init TEST_LS:0"
            sanlock_cmd_dict["chown sanlock:sanlock /var/lib/libvirt/sanlock/TEST_LS"] = "Failed to chown sanlock TEST_LS"
            sanlock_cmd_dict["restorecon -R -v /var/lib/libvirt/sanlock"] = "Failed to restorecon sanlock"
            sanlock_cmd_dict["truncate -s 1M /var/lib/libvirt/sanlock/test-disk-resource-lock"] = "Failed to truncate test-disk-resource-lock"
            sanlock_cmd_dict["sanlock direct init -r TEST_LS:test-disk-resource-lock:" +
                             "/var/lib/libvirt/sanlock/test-disk-resource-lock:0"] = "Failed to sanlock direct init test-disk-resource-lock"
            sanlock_cmd_dict["chown sanlock:sanlock " +
                             "/var/lib/libvirt/sanlock/test-disk-resource-lock"] = "Failed to chown test-disk-resource-loc"
            sanlock_cmd_dict["sanlock client add_lockspace -s TEST_LS:1:" +
                             "/var/lib/libvirt/sanlock/TEST_LS:0"] = "Failed to client add_lockspace -s TEST_LS:0"
            for sanlock_cmd in sanlock_cmd_dict.keys():
                result = process.run(sanlock_cmd, shell=True)
                if result.exit_status:
                    test.error(sanlock_cmd_dict[sanlock_cmd])

            # Create one lease device and add it to VM.
            san_lock_vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
            lease_device = Lease()
            lease_device.lockspace = 'TEST_LS'
            lease_device.key = 'test-disk-resource-lock'
            lease_device.target = {'path': '/var/lib/libvirt/sanlock/test-disk-resource-lock'}
            san_lock_vmxml.add_device(lease_device)
            san_lock_vmxml.sync()

        # Install ceph-common package which include rbd command
        if utils_package.package_install(["ceph-common"]):
            if client_name and client_key:
                with open(key_file, 'w') as f:
                    f.write("[%s]\n\tkey = %s\n" %
                            (client_name, client_key))
                key_opt = "--keyring %s" % key_file

                # Create secret xml
                sec_xml = secret_xml.SecretXML("no", "no")
                sec_xml.usage = auth_type
                sec_xml.usage_name = auth_usage
                sec_xml.xmltreefile.write()

                logging.debug("Secret xml: %s", sec_xml)
                ret = virsh.secret_define(sec_xml.xml)
                libvirt.check_exit_status(ret)

                secret_uuid = re.findall(r".+\S+(\ +\S+)\ +.+\S+",
                                         ret.stdout.strip())[0].lstrip()
                logging.debug("Secret uuid %s", secret_uuid)
                if secret_uuid is None:
                    test.error("Failed to get secret uuid")

                # Set secret value
                auth_key = params.get("auth_key")
                ret = virsh.secret_set_value(secret_uuid, auth_key,
                                             **virsh_dargs)
                libvirt.check_exit_status(ret)

            # Delete the disk if it exists
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm "
                   "{2}".format(mon_host, key_opt, disk_src_name))
            process.run(cmd, ignore_status=True, shell=True)
        else:
            test.error("Failed to install ceph-common")

        if disk_src_config:
            config_ceph()
        disk_path = ("rbd:%s:mon_host=%s" %
                     (disk_src_name, mon_host))
        if auth_user and auth_key:
            disk_path += (":id=%s:key=%s" %
                          (auth_user, auth_key))
        targetdev = params.get("disk_target", "vdb")
        # To be compatible with create_disk_xml function,
        # some parameters need to be updated.
        params.update({
            "type_name": params.get("disk_type", "network"),
            "target_bus": params.get("disk_target_bus"),
            "target_dev": targetdev,
            "secret_uuid": secret_uuid,
            "source_protocol": params.get("disk_source_protocol"),
            "source_name": disk_src_name,
            "source_host_name": disk_src_host,
            "source_host_port": disk_src_port})
        # Prepare disk image
        if convert_image:
            first_disk = vm.get_first_disk_devices()
            blk_source = first_disk['source']
            # Convert the image to remote storage
            disk_cmd = ("rbd -m %s %s info %s 2> /dev/null|| qemu-img convert"
                        " -O %s %s %s" % (mon_host, key_opt,
                                          disk_src_name, disk_format,
                                          blk_source, disk_path))
            process.run(disk_cmd, ignore_status=False, shell=True)

        elif create_volume:
            vol_params = {"name": vol_name, "capacity": int(vol_cap),
                          "capacity_unit": vol_cap_unit, "format": disk_format}

            create_pool()
            create_vol(vol_params)
            check_vol(vol_params)
        else:
            # Create an local image and make FS on it.
            disk_cmd = ("qemu-img create -f %s %s 10M && mkfs.ext4 -F %s" %
                        (disk_format, img_file, img_file))
            process.run(disk_cmd, ignore_status=False, shell=True)
            # Convert the image to remote storage
            disk_cmd = ("rbd -m %s %s info %s 2> /dev/null|| qemu-img convert -O"
                        " %s %s %s" % (mon_host, key_opt, disk_src_name,
                                       disk_format, img_file, disk_path))
            process.run(disk_cmd, ignore_status=False, shell=True)
            # Create disk snapshot if needed.
            if create_snapshot:
                snap_cmd = ("rbd -m %s %s snap create %s@%s" %
                            (mon_host, key_opt, disk_src_name, snap_name))
                process.run(snap_cmd, ignore_status=False, shell=True)
            if test_json_pseudo_protocol:
                # Create one frontend image with the rbd backing file.
                json_str = ('json:{"file.driver":"rbd",'
                            '"file.filename":"rbd:%s:mon_host=%s"}'
                            % (disk_src_name, mon_host))
                # pass different json string according to the auth config
                if auth_user and auth_key:
                    json_str = ('%s:id=%s:key=%s"}' % (json_str[:-2], auth_user, auth_key))
                disk_cmd = ("qemu-img create -f qcow2 -b '%s' %s" %
                            (json_str, front_end_img_file))
                disk_path = front_end_img_file
                process.run(disk_cmd, ignore_status=False, shell=True)
        # If hot plug, start VM first, and then wait the OS boot.
        # Otherwise stop VM if running.
        if start_vm:
            if vm.is_dead():
                vm.start()
            vm.wait_for_login().close()
        else:
            if not vm.is_dead():
                vm.destroy()
        if attach_device:
            if create_volume:
                params.update({"source_pool": pool_name})
                params.update({"type_name": "volume"})
                # No need auth options for volume
                if "auth_user" in params:
                    params.pop("auth_user")
                if "auth_type" in params:
                    params.pop("auth_type")
                if "secret_type" in params:
                    params.pop("secret_type")
                if "secret_uuid" in params:
                    params.pop("secret_uuid")
                if "secret_usage" in params:
                    params.pop("secret_usage")
            xml_file = libvirt.create_disk_xml(params)
            if additional_guest:
                # Copy xml_file for additional guest VM.
                shutil.copyfile(xml_file, additional_xml_file)
            opts = params.get("attach_option", "")
            ret = virsh.attach_device(vm_name, xml_file,
                                      flagstr=opts, debug=True)
            libvirt.check_result(ret, skip_if=unsupported_err)
            if additional_guest:
                # Make sure the additional VM is running
                if additional_vm.is_dead():
                    additional_vm.start()
                    additional_vm.wait_for_login().close()
                ret = virsh.attach_device(guest_name, additional_xml_file,
                                          "", debug=True)
                libvirt.check_result(ret, skip_if=unsupported_err)
        elif attach_disk:
            opts = params.get("attach_option", "")
            ret = virsh.attach_disk(vm_name, disk_path,
                                    targetdev, opts)
            libvirt.check_result(ret, skip_if=unsupported_err)
        elif test_disk_readonly:
            params.update({'readonly': "yes"})
            xml_file = libvirt.create_disk_xml(params)
            opts = params.get("attach_option", "")
            ret = virsh.attach_device(vm_name, xml_file,
                                      flagstr=opts, debug=True)
            libvirt.check_result(ret, skip_if=unsupported_err)
        elif test_disk_internal_snapshot:
            xml_file = libvirt.create_disk_xml(params)
            opts = params.get("attach_option", "")
            ret = virsh.attach_device(vm_name, xml_file,
                                      flagstr=opts, debug=True)
            libvirt.check_result(ret, skip_if=unsupported_err)
        elif disk_snapshot_with_sanlock:
            if vm.is_dead():
                vm.start()
            snapshot_path = make_snapshot()
            if vm.is_alive():
                vm.destroy()
        elif not create_volume:
            libvirt.set_vm_disk(vm, params)
        if test_blockcopy:
            logging.info("Creating %s...", vm_name)
            vmxml_for_test = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
            if vm.is_alive():
                vm.destroy(gracefully=False)
            vm.undefine()
            if virsh.create(vmxml_for_test.xml, **virsh_dargs).exit_status:
                vmxml_backup.define()
                test.fail("Can't create the domain")
        elif vm.is_dead():
            vm.start()
        # Wait for vm is running
        vm.wait_for_login(timeout=600).close()
        if additional_guest:
            if additional_vm.is_dead():
                additional_vm.start()
        # Check qemu command line
        if test_qemu_cmd:
            check_qemu_cmd()
        # Check partitions in vm
        if test_vm_parts:
            if not check_in_vm(vm, targetdev, old_parts,
                               read_only=create_snapshot):
                test.fail("Failed to check vm partitions")
            if additional_guest:
                if not check_in_vm(additional_vm, targetdev, old_parts):
                    test.fail("Failed to check vm partitions")
        # Save and restore operation
        if test_save_restore:
            check_save_restore()
        if test_snapshot:
            snap_option = params.get("snapshot_option", "")
            check_snapshot(snap_option)
        if test_blockcopy:
            check_blockcopy(targetdev)
        if test_disk_readonly:
            snap_option = params.get("snapshot_option", "")
            check_snapshot(snap_option, 'vdb')
        if test_disk_internal_snapshot:
            snap_option = params.get("snapshot_option", "")
            check_snapshot(snap_option, targetdev)
        # Detach the device.
        if attach_device:
            xml_file = libvirt.create_disk_xml(params)
            ret = virsh.detach_device(vm_name, xml_file)
            libvirt.check_exit_status(ret)
            if additional_guest:
                ret = virsh.detach_device(guest_name, xml_file)
                libvirt.check_exit_status(ret)
        elif attach_disk:
            ret = virsh.detach_disk(vm_name, targetdev)
            libvirt.check_exit_status(ret)

        # Check disk in vm after detachment.
        if attach_device or attach_disk:
            session = vm.wait_for_login()
            new_parts = libvirt.get_parts_list(session)
            if len(new_parts) != len(old_parts):
                test.fail("Disk still exists in vm"
                          " after detachment")
            session.close()

    except virt_vm.VMStartError as details:
        for msg in unsupported_err:
            if msg in str(details):
                test.cancel(str(details))
        else:
            test.fail("VM failed to start."
                      "Error: %s" % str(details))
    finally:
        # Remove /etc/ceph/ceph.conf file if exists.
        if os.path.exists('/etc/ceph/ceph.conf'):
            os.remove('/etc/ceph/ceph.conf')
        # Delete snapshots.
        snapshot_lists = virsh.snapshot_list(vm_name)
        if len(snapshot_lists) > 0:
            libvirt.clean_up_snapshots(vm_name, snapshot_lists)
            for snap in snapshot_lists:
                virsh.snapshot_delete(vm_name, snap, "--metadata")

        # Recover VM.
        if vm.is_alive():
            vm.destroy(gracefully=False)
        if additional_guest:
            virsh.remove_domain(guest_name,
                                "--remove-all-storage",
                                ignore_stauts=True)
        # Remove the snapshot.
        if create_snapshot:
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} snap"
                   " purge {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt, disk_src_name))
            process.run(cmd, ignore_status=True, shell=True)
        elif create_volume:
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt, os.path.join(disk_src_pool, cloned_vol_name)))
            process.run(cmd, ignore_status=True, shell=True)
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt, os.path.join(disk_src_pool, create_from_cloned_volume)))
            process.run(cmd, ignore_status=True, shell=True)
            clean_up_volume_snapshots()
        else:
            cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm {2}"
                   "".format(mon_host, key_opt, disk_src_name))
            process.run(cmd, ignore_status=True, shell=True)

        # Delete tmp files.
        if os.path.exists(key_file):
            os.remove(key_file)
        if os.path.exists(img_file):
            os.remove(img_file)
        # Clean up volume, pool
        if vol_name and vol_name in str(virsh.vol_list(pool_name).stdout):
            virsh.vol_delete(vol_name, pool_name)
        if pool_name and pool_name in virsh.pool_state_dict():
            virsh.pool_destroy(pool_name, **virsh_dargs)
            virsh.pool_undefine(pool_name, **virsh_dargs)

        # Clean up secret
        secret_list = get_secret_list()
        if secret_list:
            for secret_uuid in secret_list:
                virsh.secret_undefine(secret_uuid)

        logging.info("Restoring vm...")
        vmxml_backup.sync()

        if disk_snapshot_with_sanlock:
            # Restore virt_use_sanlock setting.
            process.run("setsebool -P virt_use_sanlock 0", shell=True)
            # Restore qemu config
            qemu_config.restore()
            utils_libvirtd.Libvirtd().restart()
            # Force shutdown sanlock service.
            process.run("sanlock client shutdown -f 1", shell=True)
            # Clean up lockspace folder
            process.run("rm -rf  /var/lib/libvirt/sanlock/*", shell=True)
            if snapshot_path is not None:
                for snapshot in snapshot_path:
                    if os.path.exists(snapshot):
                        os.remove(snapshot)