004_basic_sanity.py 文件源码

def add_directlun(prefix):
    # Find LUN GUIDs
    ret = prefix.virt_env.get_vm(SD_ISCSI_HOST_NAME).ssh(['cat', '/root/multipath.txt'])
    nt.assert_equals(ret.code, 0)

    all_guids = ret.out.splitlines()
    lun_guid = all_guids[SD_ISCSI_NR_LUNS] #Take the first unused LUN. 0-(SD_ISCSI_NR_LUNS) are used by iSCSI SD

    dlun_params = params.Disk(
        name=DLUN_DISK_NAME,
        interface='virtio_scsi',
        format='raw',
        lun_storage=params.Storage(
            type_='iscsi',
            logical_unit=[
                params.LogicalUnit(
                    id=lun_guid,
                    address=prefix.virt_env.get_vm(SD_ISCSI_HOST_NAME).ip(),
                    port=SD_ISCSI_PORT,
                    target=SD_ISCSI_TARGET,
                    username='username',
                    password='password',
                )
            ]
        ),
        sgio='unfiltered',
    )

    api = prefix.virt_env.engine_vm().get_api()
    api.vms.get(VM0_NAME).disks.add(dlun_params)
    nt.assert_not_equal(
        api.vms.get(VM0_NAME).disks.get(DLUN_DISK_NAME),
        None,
        'Direct LUN disk not attached'
    )