def run(test, params, env):
"""
Test command: virsh pool-define;pool-start;vol-list pool;
attach-device LUN to guest; mount the device, dd; unmount;
reboot guest; mount the device, dd again; pool-destroy; pool-undefine;
Create a libvirt npiv pool from an XML file. The test needs to have a wwpn
and wwnn of a vhba in host which is zoned & mapped to a SAN controller.
Pre-requiste:
Host needs to have a wwpn and wwnn of a vHBA which is zoned and mapped to
SAN controller.
"""
pool_xml_f = params.get("pool_create_xml_file", "/PATH/TO/POOL.XML")
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pre_def_pool = "yes" == params.get("pre_def_pool", "no")
pool_type = params.get("pool_type", "dir")
source_format = params.get("pool_src_format", "")
source_name = params.get("pool_source_name", "")
source_path = params.get("pool_source_path", "/")
pool_target = params.get("pool_target", "pool_target")
pool_adapter_type = params.get("pool_adapter_type", "")
pool_adapter_parent = params.get("pool_adapter_parent", "")
target_device = params.get("pool_target_device", "sdc")
pool_wwnn = params.get("pool_wwnn", "WWNN_EXAMPLE")
pool_wwpn = params.get("pool_wwpn", "WWPN_EXAMPLE")
test_unit = None
mount_disk = None
if 'EXAMPLE' in pool_wwnn or 'EXAMPLE' in pool_wwpn:
raise exceptions.TestSkipError("Please provide proper WWPN/WWNN")
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
if not vm.is_alive():
vm.start()
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir,
vm.address_cache)
pool_ins = libvirt_storage.StoragePool()
if pre_def_pool and pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
online_hbas_list = nodedev.find_hbas("hba")
logging.debug("The online hbas are: %s", online_hbas_list)
# if no online hba cards on host test fails
if not online_hbas_list:
raise exceptions.TestSkipError("Host doesn't have online hba cards")
else:
if pool_adapter_parent == "":
pool_adapter_parent = online_hbas_list[0]
kwargs = {'source_path': source_path,
'source_name': source_name,
'source_format': source_format,
'pool_adapter_type': pool_adapter_type,
'pool_adapter_parent': pool_adapter_parent,
'pool_wwnn': pool_wwnn,
'pool_wwpn': pool_wwpn}
pvt = utlv.PoolVolumeTest(test, params)
emulated_image = "emulated-image"
old_vhbas = nodedev.find_hbas("vhba")
try:
pvt.pre_pool(pool_name, pool_type, pool_target, emulated_image,
**kwargs)
utils_misc.wait_for(
lambda: nodedev.is_vhbas_added(old_vhbas), _DELAY_TIME)
virsh.pool_dumpxml(pool_name, to_file=pool_xml_f)
virsh.pool_destroy(pool_name)
except Exception as e:
pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image, **kwargs)
raise exceptions.TestError(
"Error occurred when prepare pool xml:\n %s" % e)
if os.path.exists(pool_xml_f):
with open(pool_xml_f, 'r') as f:
logging.debug("Create pool from file:\n %s", f.read())
try:
cmd_result = virsh.pool_define(pool_xml_f, ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
test_unit = list(vol_list.keys())[0]
logging.info(
"Using the first LUN unit %s to attach to a guest", test_unit)
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
old_count = vmxml.get_disk_count(vm_name)
bf_disks = libvirt_vm.get_disks()
disk_params = {'type_name': 'volume', 'target_dev': target_device,
'target_bus': 'virtio', 'source_pool': pool_name,
'source_volume': test_unit, 'driver_type': 'raw'}
disk_xml = os.path.join(data_dir.get_tmp_dir(), 'disk_xml.xml')
lun_disk_xml = utlv.create_disk_xml(disk_params)
copyfile(lun_disk_xml, disk_xml)
attach_success = virsh.attach_device(
vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
virsh.reboot(vm_name, debug=True)
logging.info("Checking disk availability in domain")
if not vmxml.get_disk_count(vm_name):
raise exceptions.TestFail("No disk in domain %s." % vm_name)
new_count = vmxml.get_disk_count(vm_name)
if new_count <= old_count:
raise exceptions.TestFail(
"Failed to attach disk %s" % lun_disk_xml)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
logging.debug("Creating file system for %s", mount_disk)
output = session.cmd_status_output(
'echo yes | mkfs.ext4 %s' % mount_disk)
logging.debug("%s", output[1])
if mount_disk:
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Mount failed")
else:
raise exceptions.TestFail("Partition not available for disk")
logging.debug("Unmounting disk")
session.cmd_status_output('umount %s' % mount_disk)
virsh.reboot(vm_name, debug=True)
session = vm.wait_for_login()
output = session.cmd_status_output('mount')
logging.debug("%s", output[1])
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Mount failed")
logging.debug("Unmounting disk")
session.cmd_status_output('umount %s' % mount_disk)
session.close()
detach_status = virsh.detach_device(vm_name, disk_xml,
debug=True)
utlv.check_exit_status(detach_status)
finally:
vm.destroy(gracefully=False)
vmxml_backup.sync()
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image, **kwargs)
if os.path.exists(pool_xml_f):
os.remove(pool_xml_f)
if os.path.exists(disk_xml):
logging.debug("Cleanup disk xml")
data_dir.clean_tmp_files()
def run(test, params, env):
"""
1. prepare a fc lun with one of following methods
- create a scsi pool&vol
- create a vhba
2. prepare the virtual disk xml, as one of following
- source = /dev/disk/by-path
- source = /dev/mapper/mpathX
- source = pool&vol format
3. start a vm with above disk as vdb
4. create disk-only snapshot of vdb
5. check the snapshot-list and snapshot file's existence
6. mount vdb and touch file to it
7. revert the snapshot and check file's existence
8. delete snapshot
9. cleanup env.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
wwpn = params.get("wwpn", "WWPN_EXAMPLE")
wwnn = params.get("wwnn", "WWNN_EXAMPLE")
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "file")
disk_size = params.get("disk_size", "100M")
device_target = params.get("device_target", "vdb")
driver_name = params.get("driver_name", "qemu")
driver_type = params.get("driver_type", "raw")
target_bus = params.get("target_bus", "virtio")
vd_format = params.get("vd_format", "")
snapshot_dir = params.get("snapshot_dir", "/tmp")
snapshot_name = params.get("snapshot_name", "s1")
pool_name = params.get("pool_name", "")
pool_target = params.get("pool_target", "/dev")
snapshot_disk_only = "yes" == params.get("snapshot_disk_only", "no")
new_vhbas = []
current_vhbas = []
new_vhba = []
path_to_blk = ""
lun_sl = []
new_disk = ""
pool_ins = None
old_mpath_conf = ""
mpath_conf_path = "/etc/multipath.conf"
original_mpath_conf_exist = os.path.exists(mpath_conf_path)
vm = env.get_vm(vm_name)
online_hbas = utils_npiv.find_hbas("hba")
if not online_hbas:
raise exceptions.TestSkipError("There is no online hba cards.")
old_mpath_conf = utils_npiv.prepare_multipath_conf(
conf_path=mpath_conf_path, replace_existing=True)
first_online_hba = online_hbas[0]
old_vhbas = utils_npiv.find_hbas("vhba")
if vm.is_dead():
vm.start()
session = vm.wait_for_login()
virt_vm = libvirt_vm.VM(vm_name, vm.params, vm.root_dir, vm.address_cache)
old_disks = virt_vm.get_disks()
if vm.is_alive():
vm.destroy(gracefully=False)
if pool_name:
pool_ins = libvirt_storage.StoragePool()
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
try:
# prepare a fc lun
if vd_format in ['scsi_vol']:
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
prepare_scsi_pool(pool_name, wwnn, wwpn, first_online_hba,
pool_target)
utils_misc.wait_for(lambda: utils_npiv.is_vhbas_added(old_vhbas),
timeout=_TIMEOUT)
if not utils_npiv.is_vhbas_added(old_vhbas):
raise exceptions.TestFail("vHBA not successfully created")
current_vhbas = utils_npiv.find_hbas("vhba")
new_vhba = list(set(current_vhbas).difference(set(old_vhbas)))[0]
new_vhbas.append(new_vhba)
new_vhba_scsibus = re.sub("\D", "", new_vhba)
utils_misc.wait_for(lambda: get_blks_by_scsi(new_vhba_scsibus),
timeout=_TIMEOUT)
new_blks = get_blks_by_scsi(new_vhba_scsibus)
if not new_blks:
raise exceptions.TestFail(
"block device not found with scsi_%s", new_vhba_scsibus)
vol_list = utlv.get_vol_list(pool_name,
vol_check=True,
timeout=_TIMEOUT * 3)
path_to_blk = list(vol_list.values())[0]
elif vd_format in ['mpath', 'by_path']:
old_mpath_devs = utils_npiv.find_mpath_devs()
new_vhba = utils_npiv.nodedev_create_from_xml({
"nodedev_parent": first_online_hba,
"scsi_wwnn": wwnn,
"scsi_wwpn": wwpn
})
utils_misc.wait_for(lambda: utils_npiv.is_vhbas_added(old_vhbas),
timeout=_TIMEOUT * 2)
if not new_vhba:
raise exceptions.TestFail("vHBA not successfully generated.")
new_vhbas.append(new_vhba)
if vd_format == "mpath":
utils_misc.wait_for(
lambda: utils_npiv.is_mpath_devs_added(old_mpath_devs),
timeout=_TIMEOUT * 5)
if not utils_npiv.is_mpath_devs_added(old_mpath_devs):
raise exceptions.TestFail("mpath dev not generated.")
cur_mpath_devs = utils_npiv.find_mpath_devs()
new_mpath_devs = list(
set(cur_mpath_devs).difference(set(old_mpath_devs)))
logging.debug("The newly added mpath dev is: %s",
new_mpath_devs)
path_to_blk = "/dev/mapper/" + new_mpath_devs[0]
elif vd_format == "by_path":
new_vhba_scsibus = re.sub("\D", "", new_vhba)
utils_misc.wait_for(lambda: get_blks_by_scsi(new_vhba_scsibus),
timeout=_TIMEOUT)
new_blks = get_blks_by_scsi(new_vhba_scsibus)
if not new_blks:
raise exceptions.TestFail("blk dev not found with scsi_%s",
new_vhba_scsibus)
first_blk_dev = new_blks[0]
utils_misc.wait_for(lambda: get_symbols_by_blk(first_blk_dev),
timeout=_TIMEOUT)
lun_sl = get_symbols_by_blk(first_blk_dev)
if not lun_sl:
raise exceptions.TestFail(
"lun symbolic links not found in "
"/dev/disk/by-path/ for %s" % first_blk_dev)
lun_dev = lun_sl[0]
path_to_blk = os.path.join(_BY_PATH_DIR, lun_dev)
else:
pass
else:
raise exceptions.TestSkipError("Not provided how to pass"
"virtual disk to VM.")
# create qcow2 file on the block device with specified size
if path_to_blk:
cmd = "qemu-img create -f qcow2 %s %s" % (path_to_blk, disk_size)
try:
process.run(cmd, shell=True)
except process.cmdError as detail:
raise exceptions.TestFail(
"Fail to create qcow2 on blk dev: %s", detail)
else:
raise exceptions.TestFail("Don't have a valid path to blk dev.")
# prepare disk xml
if "vol" in vd_format:
vol_list = utlv.get_vol_list(pool_name,
vol_check=True,
timeout=_TIMEOUT * 3)
test_vol = list(vol_list.keys())[0]
disk_params = {
'type_name': disk_type,
'target_dev': device_target,
'target_bus': target_bus,
'source_pool': pool_name,
'source_volume': test_vol,
'driver_type': driver_type
}
else:
disk_params = {
'type_name': disk_type,
'device': disk_device,
'driver_name': driver_name,
'driver_type': driver_type,
'source_file': path_to_blk,
'target_dev': device_target,
'target_bus': target_bus
}
if vm.is_alive():
vm.destroy(gracefully=False)
new_disk = disk.Disk()
new_disk.xml = open(utlv.create_disk_xml(disk_params)).read()
# start vm with the virtual disk
vmxml.devices = vmxml.devices.append(new_disk)
vmxml.sync()
vm.start()
session = vm.wait_for_login()
cur_disks = virt_vm.get_disks()
mount_disk = "".join(list(set(old_disks) ^ set(cur_disks)))
# mkfs and mount disk in vm, create a file on that disk.
if not mount_disk:
logging.debug("old_disk: %s, new_disk: %s", old_disks, cur_disks)
raise exceptions.TestFail("No new disk found in vm.")
mkfs_and_mount(session, mount_disk)
create_file_in_vm(session, "/mnt/before_snapshot.txt", "before")
# virsh snapshot-create-as vm s --disk-only --diskspec vda,file=path
if snapshot_disk_only:
vm_blks = list(vm.get_disk_devices().keys())
options = "%s --disk-only" % snapshot_name
for vm_blk in vm_blks:
snapshot_file = snapshot_dir + "/" + vm_blk + "." + snapshot_name
if os.path.exists(snapshot_file):
os.remove(snapshot_file)
options = options + " --diskspec %s,file=%s" % (vm_blk,
snapshot_file)
else:
options = snapshot_name
utlv.check_exit_status(virsh.snapshot_create_as(vm_name, options))
# check virsh snapshot-list
logging.debug("Running: snapshot-list %s", vm_name)
snapshot_list = virsh.snapshot_list(vm_name)
logging.debug("snapshot list is: %s", snapshot_list)
if not snapshot_list:
raise exceptions.TestFail("snapshots not found after creation.")
# snapshot-revert doesn't support external snapshot for now. so
# only check this with internal snapshot.
if not snapshot_disk_only:
create_file_in_vm(session, "/mnt/after_snapshot.txt", "after")
logging.debug("Running: snapshot-revert %s %s", vm_name,
snapshot_name)
utlv.check_exit_status(
virsh.snapshot_revert(vm_name, snapshot_name))
session = vm.wait_for_login()
file_existence, file_content = get_file_in_vm(
session, "/mnt/after_snapshot.txt")
logging.debug("file exist = %s, file content = %s", file_existence,
file_content)
if file_existence:
raise exceptions.TestFail("The file created "
"after snapshot still exists.")
file_existence, file_content = get_file_in_vm(
session, "/mnt/before_snapshot.txt")
logging.debug("file eixst = %s, file content = %s", file_existence,
file_content)
if ((not file_existence) or (file_content.strip() != "before")):
raise exceptions.TestFail("The file created "
"before snapshot is lost.")
# delete snapshots
# if diskonly, delete --metadata and remove files
# if not diskonly, delete snapshot
if snapshot_disk_only:
options = "--metadata"
else:
options = ""
for snap in snapshot_list:
logging.debug("deleting snapshot %s with options %s", snap,
options)
result = virsh.snapshot_delete(vm_name, snap, options)
logging.debug("result of snapshot-delete: %s",
result.stdout.strip())
if snapshot_disk_only:
vm_blks = list(vm.get_disk_devices().keys())
for vm_blk in vm_blks:
snapshot_file = snapshot_dir + "/" + vm_blk + "." + snap
if os.path.exists(snapshot_file):
os.remove(snapshot_file)
snapshot_list = virsh.snapshot_list(vm_name)
if snapshot_list:
raise exceptions.TestFail("Snapshot not deleted: %s",
snapshot_list)
except Exception as detail:
raise exceptions.TestFail("exception happens: %s", detail)
finally:
logging.debug("Start to clean up env...")
vmxml_backup.sync()
if pool_ins and pool_ins.pool_exists(pool_name):
virsh.pool_destroy(pool_name)
for new_vhba in new_vhbas:
virsh.nodedev_destroy(new_vhba)
utils_npiv.restart_multipathd()
if old_mpath_conf:
utils_npiv.prepare_multipath_conf(conf_path=mpath_conf_path,
conf_content=old_mpath_conf,
replace_existing=True)
if not original_mpath_conf_exist and os.path.exists(mpath_conf_path):
os.remove(mpath_conf_path)
def run(test, params, env):
"""
Test virsh vol-create-from command to cover the following matrix:
pool = [source, destination]
pool_type = [dir, disk, fs, logical, netfs, iscsi, scsi]
volume_format = [raw, qcow2, qed]
Note, both 'iscsi' and 'scsi' type pools don't support create volume by
virsh, so which can't be destination pools. And for disk pool, it can't
create volume with specified format.
"""
src_pool_type = params.get("src_pool_type")
src_pool_target = params.get("src_pool_target")
src_emulated_image = params.get("src_emulated_image")
src_vol_format = params.get("src_vol_format")
dest_pool_type = params.get("dest_pool_type")
dest_pool_target = params.get("dest_pool_target")
dest_emulated_image = params.get("dest_emulated_image")
dest_vol_format = params.get("dest_vol_format")
prealloc_option = params.get("prealloc_option")
status_error = params.get("status_error", "no")
if not libvirt_version.version_compare(1, 0, 0):
if "--prealloc-metadata" in prealloc_option:
test.cancel("metadata preallocation not supported in"
" current libvirt version.")
vol_file = ""
try:
# Create the src/dest pool
src_pool_name = "virt-%s-pool" % src_pool_type
dest_pool_name = "virt-%s-pool" % dest_pool_type
pvt = utlv.PoolVolumeTest(test, params)
pvt.pre_pool(src_pool_name,
src_pool_type,
src_pool_target,
src_emulated_image,
image_size="40M",
pre_disk_vol=["1M"])
if src_pool_type != dest_pool_type:
pvt.pre_pool(dest_pool_name,
dest_pool_type,
dest_pool_target,
dest_emulated_image,
image_size="100M",
pre_disk_vol=["1M"])
# Print current pools for debugging
logging.debug("Current pools:%s",
libvirt_storage.StoragePool().list_pools())
# Create the src vol
# 8M is the minimal size for logical volume(PPC)
# 4M is the minimal size for logical volume(x86)
vol_size = params.get("image_volume_size", "16777216")
if src_pool_type in ["dir", "logical", "netfs", "fs"]:
src_vol_name = "src_vol"
pvt.pre_vol(vol_name=src_vol_name,
vol_format=src_vol_format,
capacity=vol_size,
allocation=None,
pool_name=src_pool_name)
else:
src_vol_name = list(utlv.get_vol_list(src_pool_name).keys())[0]
# Prepare vol xml file
dest_vol_name = "dest_vol"
# According to BZ#1138523, we need inpect the right name
# (disk partition) for new volume
if dest_pool_type == "disk":
dest_vol_name = utlv.new_disk_vol_name(dest_pool_name)
if dest_vol_name is None:
test.error("Fail to generate volume name")
if dest_pool_type == "disk":
dest_vol_format = ""
prealloc_option = ""
vol_xml = """
<volume>
<name>%s</name>
<capacity unit='bytes'>%s</capacity>
<target>
<format type='%s'/>
</target>
</volume>
""" % (dest_vol_name, vol_size, dest_vol_format)
logging.debug("Prepare the volume xml: %s", vol_xml)
vol_file = os.path.join(test.tmpdir, "dest_vol.xml")
with open(vol_file, 'w') as xml_object:
xml_object.write(vol_xml)
# iSCSI and SCSI type pool can't create vols via virsh
if dest_pool_type in ["iscsi", "scsi"]:
test.fail("Unsupport create vol for %s type pool" % dest_pool_type)
# Metadata preallocation is not supported for block volumes
if dest_pool_type in ["disk", "logical"]:
prealloc_option = ""
# Run run_virsh_vol_create_from to create dest vol
cmd_result = virsh.vol_create_from(dest_pool_name,
vol_file,
src_vol_name,
src_pool_name,
prealloc_option,
ignore_status=True,
debug=True)
status = cmd_result.exit_status
# Check result
if status_error == "no":
if status == 0:
dest_pv = libvirt_storage.PoolVolume(dest_pool_name)
dest_volumes = list(dest_pv.list_volumes().keys())
logging.debug("Current volumes in %s: %s", dest_pool_name,
dest_volumes)
if dest_vol_name not in dest_volumes:
test.fail("Can't find volume: % from pool: %s" %
(dest_vol_name, dest_pool_name))
else:
test.fail(cmd_result.stderr)
else:
if status:
logging.debug("Expect error: %s", cmd_result.stderr)
else:
test.fail("Expect fail, but run successfully!")
finally:
# Cleanup: both src and dest should be removed
try:
pvt.cleanup_pool(src_pool_name, src_pool_type, src_pool_target,
src_emulated_image)
except exceptions.TestFail as detail:
logging.error(str(detail))
if src_pool_type != dest_pool_type:
pvt.cleanup_pool(dest_pool_name, dest_pool_type, dest_pool_target,
dest_emulated_image)
if os.path.isfile(vol_file):
os.remove(vol_file)
def run(test, params, env):
"""
Test command: virsh pool-define; pool-define-as; pool-start;
vol-list pool; attach-device LUN to guest; mount the device;
dd to the mounted device; unmount; pool-destroy; pool-undefine;
Pre-requiste:
Host needs to have a wwpn and wwnn of a vHBA which is zoned and mapped to
SAN controller.
"""
pool_xml_f = params.get("pool_create_xml_file", "/PATH/TO/POOL.XML")
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pre_def_pool = params.get("pre_def_pool", "no")
define_pool = params.get("define_pool", "no")
define_pool_as = params.get("define_pool_as", "no")
pool_create_as = params.get("pool_create_as", "no")
need_pool_build = params.get("need_pool_build", "no")
need_vol_create = params.get("need_vol_create", "no")
pool_type = params.get("pool_type", "dir")
source_format = params.get("pool_src_format", "")
source_name = params.get("pool_source_name", "")
source_path = params.get("pool_source_path", "/")
pool_target = params.get("pool_target", "pool_target")
pool_adapter_type = params.get("pool_adapter_type", "")
pool_adapter_parent = params.get("pool_adapter_parent", "")
target_device = params.get("disk_target_dev", "sdc")
pool_wwnn = params.get("pool_wwnn", "POOL_WWNN_EXAMPLE")
pool_wwpn = params.get("pool_wwpn", "POOL_WWPN_EXAMPLE")
vhba_wwnn = params.get("vhba_wwnn", "VHBA_WWNN_EXAMPLE")
vhba_wwpn = params.get("vhba_wwpn", "VHBA_WWPN_EXAMPLE")
volume_name = params.get("volume_name", "imagefrommapper.qcow2")
volume_capacity = params.get("volume_capacity", '1G')
allocation = params.get("allocation", '1G')
vol_format = params.get("volume_format", 'raw')
attach_method = params.get("attach_method", "hot")
test_unit = None
mount_disk = None
pool_kwargs = {}
pool_extra_args = ""
emulated_image = "emulated-image"
disk_xml = ""
new_vhbas = []
source_dev = ""
mpath_vol_path = ""
old_mpath_conf = ""
mpath_conf_path = "/etc/multipath.conf"
original_mpath_conf_exist = os.path.exists(mpath_conf_path)
if pool_type == "scsi":
if ('EXAMPLE' in pool_wwnn) or ('EXAMPLE' in pool_wwpn):
raise exceptions.TestSkipError(
"No wwpn and wwnn provided for npiv scsi pool.")
if pool_type == "logical":
if ('EXAMPLE' in vhba_wwnn) or ('EXAMPLE' in vhba_wwpn):
raise exceptions.TestSkipError(
"No wwpn and wwnn provided for vhba.")
online_hbas_list = utils_npiv.find_hbas("hba")
logging.debug("The online hbas are: %s", online_hbas_list)
old_mpath_conf = utils_npiv.prepare_multipath_conf(conf_path=mpath_conf_path,
replace_existing=True)
if not online_hbas_list:
raise exceptions.TestSkipError(
"Host doesn't have online hba cards")
old_vhbas = utils_npiv.find_hbas("vhba")
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
if not vm.is_alive():
vm.start()
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir,
vm.address_cache)
pool_ins = libvirt_storage.StoragePool()
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
if pool_type == "scsi":
if define_pool == "yes":
if pool_adapter_parent == "":
pool_adapter_parent = online_hbas_list[0]
pool_kwargs = {'source_path': source_path,
'source_name': source_name,
'source_format': source_format,
'pool_adapter_type': pool_adapter_type,
'pool_adapter_parent': pool_adapter_parent,
'pool_wwnn': pool_wwnn,
'pool_wwpn': pool_wwpn}
elif pool_type == "logical":
if (not vhba_wwnn) or (not vhba_wwpn):
raise exceptions.TestFail("No wwnn/wwpn provided to create vHBA.")
old_mpath_devs = utils_npiv.find_mpath_devs()
new_vhba = utils_npiv.nodedev_create_from_xml({
"nodedev_parent": online_hbas_list[0],
"scsi_wwnn": vhba_wwnn,
"scsi_wwpn": vhba_wwpn})
utils_misc.wait_for(
lambda: utils_npiv.is_vhbas_added(old_vhbas), timeout=_DELAY_TIME*2)
if not new_vhba:
raise exceptions.TestFail("vHBA not sucessfully generated.")
new_vhbas.append(new_vhba)
utils_misc.wait_for(
lambda: utils_npiv.is_mpath_devs_added(old_mpath_devs),
timeout=_DELAY_TIME*5)
if not utils_npiv.is_mpath_devs_added(old_mpath_devs):
raise exceptions.TestFail("mpath dev not generated.")
cur_mpath_devs = utils_npiv.find_mpath_devs()
new_mpath_devs = list(set(cur_mpath_devs).difference(
set(old_mpath_devs)))
logging.debug("The newly added mpath dev is: %s", new_mpath_devs)
source_dev = "/dev/mapper/" + new_mpath_devs[0]
logging.debug("We are going to use \"%s\" as our source device"
" to create a logical pool", source_dev)
try:
cmd = "parted %s mklabel msdos -s" % source_dev
cmd_result = process.run(cmd, shell=True)
except Exception as e:
raise exceptions.TestError("Error occurred when parted mklable")
if define_pool_as == "yes":
pool_extra_args = ""
if source_dev:
pool_extra_args = ' --source-dev %s' % source_dev
elif pool_type == "mpath":
if (not vhba_wwnn) or (not vhba_wwpn):
raise exceptions.TestFail("No wwnn/wwpn provided to create vHBA.")
old_mpath_devs = utils_npiv.find_mpath_devs()
new_vhba = utils_npiv.nodedev_create_from_xml({
"nodedev_parent": online_hbas_list[0],
"scsi_wwnn": vhba_wwnn,
"scsi_wwpn": vhba_wwpn})
utils_misc.wait_for(
lambda: utils_npiv.is_vhbas_added(old_vhbas), timeout=_DELAY_TIME*2)
if not new_vhba:
raise exceptions.TestFail("vHBA not sucessfully generated.")
new_vhbas.append(new_vhba)
utils_misc.wait_for(
lambda: utils_npiv.is_mpath_devs_added(old_mpath_devs),
timeout=_DELAY_TIME*2)
if not utils_npiv.is_mpath_devs_added(old_mpath_devs):
raise exceptions.TestFail("mpath dev not generated.")
cur_mpath_devs = utils_npiv.find_mpath_devs()
new_mpath_devs = list(set(cur_mpath_devs).difference(
set(old_mpath_devs)))
logging.debug("The newly added mpath dev is: %s", new_mpath_devs)
mpath_vol_path = "/dev/mapper/" + new_mpath_devs[0]
try:
cmd = "parted %s mklabel msdos -s" % mpath_vol_path
cmd_result = process.run(cmd, shell=True)
except Exception as e:
raise exceptions.TestError("Error occurred when parted mklable")
if pre_def_pool == "yes":
try:
pvt = utlv.PoolVolumeTest(test, params)
pvt.pre_pool(pool_name, pool_type,
pool_target, emulated_image,
**pool_kwargs)
utils_misc.wait_for(
lambda: utils_npiv.is_vhbas_added(old_vhbas),
_DELAY_TIME*2)
virsh.pool_dumpxml(pool_name, to_file=pool_xml_f)
virsh.pool_destroy(pool_name)
except Exception as e:
pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image, **pool_kwargs)
raise exceptions.TestError(
"Error occurred when prepare pool xml:\n %s" % e)
if os.path.exists(pool_xml_f):
with open(pool_xml_f, 'r') as f:
logging.debug("Create pool from file: %s", f.read())
try:
# define/create/start the pool
if (pre_def_pool == "yes") and (define_pool == "yes"):
pool_define_status = virsh.pool_define(pool_xml_f,
ignore_status=True,
debug=True)
utlv.check_exit_status(pool_define_status)
if define_pool_as == "yes":
pool_define_as_status = virsh.pool_define_as(
pool_name, pool_type,
pool_target, pool_extra_args,
ignore_status=True, debug=True
)
utlv.check_exit_status(pool_define_as_status)
if pool_create_as == "yes":
if pool_type != "scsi":
raise exceptions.TestSkipError("pool-create-as only needs to "
"be covered by scsi pool for "
"NPIV test.")
cmd = "virsh pool-create-as %s %s \
--adapter-wwnn %s --adapter-wwpn %s \
--adapter-parent %s --target %s"\
% (pool_name, pool_type, pool_wwnn, pool_wwpn,
online_hbas_list[0], pool_target)
cmd_status = process.system(cmd, verbose=True)
if cmd_status:
raise exceptions.TestFail("pool-create-as scsi pool failed.")
if need_pool_build == "yes":
pool_build_status = virsh.pool_build(pool_name, "--overwrite")
utlv.check_exit_status(pool_build_status)
pool_ins = libvirt_storage.StoragePool()
if not pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("define or create pool failed.")
else:
if not pool_ins.is_pool_active(pool_name):
pool_start_status = virsh.pool_start(pool_name)
utlv.check_exit_status(pool_start_status)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
# create vol if required
if need_vol_create == "yes":
vol_create_as_status = virsh.vol_create_as(
volume_name, pool_name,
volume_capacity, allocation,
vol_format, "", debug=True
)
utlv.check_exit_status(vol_create_as_status)
virsh.pool_refresh(pool_name)
vol_list = utlv.get_vol_list(pool_name, vol_check=True,
timeout=_DELAY_TIME*3)
logging.debug('Volume list is: %s' % vol_list)
# use test_unit to save the first vol in pool
if pool_type == "mpath":
cmd = "virsh vol-list %s | grep \"%s\" |\
awk '{FS=\" \"} {print $1}'" % (pool_name, mpath_vol_path)
cmd_result = process.run(cmd, shell=True)
status = cmd_result.exit_status
output = cmd_result.stdout_text.strip()
if cmd_result.exit_status:
raise exceptions.TestFail("vol-list pool %s failed", pool_name)
if not output:
raise exceptions.TestFail("Newly added mpath dev not in pool.")
test_unit = output
logging.info(
"Using %s to attach to a guest", test_unit)
else:
test_unit = list(vol_list.keys())[0]
logging.info(
"Using the first volume %s to attach to a guest", test_unit)
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
old_count = vmxml.get_disk_count(vm_name)
bf_disks = libvirt_vm.get_disks()
# prepare disk xml which will be hot/cold attached to vm
disk_params = {'type_name': 'volume', 'target_dev': target_device,
'target_bus': 'virtio', 'source_pool': pool_name,
'source_volume': test_unit, 'driver_type': vol_format}
disk_xml = os.path.join(data_dir.get_tmp_dir(), 'disk_xml.xml')
lun_disk_xml = utlv.create_disk_xml(disk_params)
copyfile(lun_disk_xml, disk_xml)
disk_xml_str = open(lun_disk_xml).read()
logging.debug("The disk xml is: %s", disk_xml_str)
# hot attach disk xml to vm
if attach_method == "hot":
copyfile(lun_disk_xml, disk_xml)
dev_attach_status = virsh.attach_device(vm_name, disk_xml,
debug=True)
# Pool/vol virtual disk is not supported by mpath pool yet.
if dev_attach_status.exit_status and pool_type == "mpath":
raise exceptions.TestSkipError("mpath pool vol is not "
"supported in virtual disk yet,"
"the error message is: %s",
dev_attach_status.stderr)
session.close()
utlv.check_exit_status(dev_attach_status)
# cold attach disk xml to vm
elif attach_method == "cold":
if vm.is_alive():
vm.destroy(gracefully=False)
new_disk = disk.Disk()
new_disk.xml = disk_xml_str
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml.devices = vmxml.devices.append(new_disk)
vmxml.sync()
logging.debug(vmxml)
try:
vm.start()
except virt_vm.VMStartError as e:
logging.debug(e)
if pool_type == "mpath":
raise exceptions.TestSkipError("'mpath' pools for backing "
"'volume' disks isn't "
"supported for now")
else:
raise exceptions.TestFail("Failed to start vm")
session = vm.wait_for_login()
else:
pass
# checking attached disk in vm
logging.info("Checking disk availability in domain")
if not vmxml.get_disk_count(vm_name):
raise exceptions.TestFail("No disk in domain %s." % vm_name)
new_count = vmxml.get_disk_count(vm_name)
if new_count <= old_count:
raise exceptions.TestFail(
"Failed to attach disk %s" % lun_disk_xml)
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
logging.debug("Creating file system for %s", mount_disk)
output = session.cmd_status_output(
'echo yes | mkfs.ext4 %s' % mount_disk)
logging.debug("%s", output[1])
if mount_disk:
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Mount failed")
else:
raise exceptions.TestFail("Partition not available for disk")
logging.debug("Unmounting disk")
session.cmd_status_output('umount %s' % mount_disk)
output = session.cmd_status_output('mount')
logging.debug("%s", output[1])
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Mount failed")
logging.debug("Unmounting disk")
session.cmd_status_output('umount %s' % mount_disk)
session.close()
# detach disk from vm
dev_detach_status = virsh.detach_device(vm_name, disk_xml,
debug=True)
utlv.check_exit_status(dev_detach_status)
finally:
vm.destroy(gracefully=False)
vmxml_backup.sync()
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
if os.path.exists(pool_xml_f):
os.remove(pool_xml_f)
if os.path.exists(disk_xml):
data_dir.clean_tmp_files()
logging.debug("Cleanup disk xml")
if pre_def_pool == "yes":
# Do not apply cleanup_pool for logical pool, logical pool will
# be cleaned below
pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image, **pool_kwargs)
if (test_unit and
(need_vol_create == "yes" and (pre_def_pool == "no")) and
(pool_type == "logical")):
process.system('lvremove -f %s/%s' % (pool_name, test_unit),
verbose=True)
process.system('vgremove -f %s' % pool_name, verbose=True)
process.system('pvremove -f %s' % source_dev, verbose=True)
if new_vhbas:
utils_npiv.vhbas_cleanup(new_vhbas)
# Restart multipathd, this is to avoid bz1399075
if source_dev:
utils_misc.wait_for(lambda: utils_npiv.restart_multipathd(source_dev),
_DELAY_TIME*5, 0.0, 5.0)
elif mpath_vol_path:
utils_misc.wait_for(lambda: utils_npiv.restart_multipathd(mpath_vol_path),
_DELAY_TIME*5, 0.0, 5.0)
else:
utils_npiv.restart_multipathd()
if old_mpath_conf:
utils_npiv.prepare_multipath_conf(conf_path=mpath_conf_path,
conf_content=old_mpath_conf,
replace_existing=True)
if not original_mpath_conf_exist and os.path.exists(mpath_conf_path):
os.remove(mpath_conf_path)
def run(test, params, env):
"""
Test command: virsh pool-define-as; pool-build; pool-start; vol-create-as;
vol-list; attach-device; login; mount and dd; reboot; check persistence;
detach-device; pool-destroy; pool-undefine; clear lv,vg and pv;
Create a libvirt npiv pool from a vHBA's device mapper device and create
a volume out of the newly created pool and attach it to a guest, mount it,
reboot and check persistence after reboot.
Pre-requisite :
Host should have a vHBA associated with a mpath device
"""
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pool_type = params.get("pool_type", "dir")
scsi_wwpn = params.get("scsi_wwpn", "WWPN_EXAMPLE")
scsi_wwnn = params.get("scsi_wwnn", "WWNN_EXAMPLE")
pool_target = params.get("pool_target", "pool_target")
target_device = params.get("disk_target_dev", "vda")
volume_name = params.get("volume_name", "imagefrommapper.qcow2")
volume_capacity = params.get("volume_capacity", '1G')
allocation = params.get("allocation", '1G')
frmt = params.get("volume_format", 'qcow2')
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
mount_disk = None
test_unit = None
if 'EXAMPLE' in scsi_wwnn or 'EXAMPLE' in scsi_wwpn:
raise exceptions.TestSkipError("Please provide proper WWPN/WWNN")
if not vm.is_alive():
vm.start()
pool_extra_args = ""
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir, vm.address_cache)
process.run("service multipathd restart", shell=True)
online_hbas_list = nodedev.find_hbas("hba")
first_online_hba = online_hbas_list[0]
old_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the old mpath devs are: %s" % old_mpath_devs)
new_vhbas = nodedev.nodedev_create_from_xml({
"nodedev_parent": first_online_hba,
"scsi_wwnn": scsi_wwnn,
"scsi_wwpn": scsi_wwpn
})
logging.info("Newly created vHBA %s" % new_vhbas)
process.run("service multipathd restart", shell=True)
utils_misc.wait_for(lambda: nodedev.is_mpath_devs_added(old_mpath_devs),
timeout=5)
cur_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the current mpath devs are: %s" % cur_mpath_devs)
new_mpath_devs = list(set(cur_mpath_devs).difference(set(old_mpath_devs)))
logging.debug("newly added mpath devs are: %s" % new_mpath_devs)
if not new_mpath_devs:
raise exceptions.TestFail("No newly added mpath devices found, \
please check your FC settings")
source_dev = os.path.join('/dev/mapper/', new_mpath_devs[0])
logging.debug("We are going to use \"%s\" as our source device"
" to create a logical pool" % source_dev)
cmd = "parted %s mklabel msdos -s" % source_dev
cmd_result = process.run(cmd, shell=True)
utlv.check_exit_status(cmd_result)
if source_dev:
pool_extra_args = ' --source-dev %s' % source_dev
else:
raise exceptions.TestFail(
"The vHBA %s does not have any associated mpath device" %
new_vhbas)
pool_ins = libvirt_storage.StoragePool()
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
# if no online hba cards on host, mark case failed
if not online_hbas_list:
raise exceptions.TestSkipError("Host doesn't have online hba cards")
try:
cmd_result = virsh.pool_define_as(pool_name,
pool_type,
pool_target,
pool_extra_args,
ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_build(pool_name)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
cmd_result = virsh.vol_create_as(volume_name,
pool_name,
volume_capacity,
allocation,
frmt,
"",
debug=True)
utlv.check_exit_status(cmd_result)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
logging.debug('Volume list %s', vol_list)
for unit in vol_list:
test_unit = vol_list[unit]
logging.debug(unit)
disk_params = {
'type_name': "file",
'target_dev': target_device,
'target_bus': "virtio",
'source_file': test_unit,
'driver_name': "qemu",
'driver_type': "raw"
}
disk_xml = utlv.create_disk_xml(disk_params)
session = vm.wait_for_login()
bf_disks = libvirt_vm.get_disks()
attach_success = virsh.attach_device(vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
output = session.cmd_status_output('lsblk', timeout=15)
logging.debug("%s", output[1])
session.cmd_status_output('mkfs.ext4 %s' % mount_disk)
if mount_disk:
logging.info("%s", mount_disk)
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Can not find mounted device")
session.close()
virsh.reboot(vm_name, debug=True)
session = vm.wait_for_login()
output = session.cmd_status_output('mount')
logging.debug("Mount output: %s", output[1])
if '/mnt' in output[1]:
logging.debug("Mount Successful accross reboot")
session.close()
status = virsh.detach_device(vm_name, disk_xml, debug=True)
utlv.check_exit_status(status)
finally:
vm.destroy(gracefully=False)
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
if test_unit:
process.system('lvremove -f %s' % test_unit, verbose=True)
process.system('vgremove -f %s' % pool_name, verbose=True)
process.system('pvremove -f %s' % source_dev, verbose=True)
if new_vhbas:
nodedev.vhbas_cleanup(new_vhbas.split())
process.run("service multipathd restart", shell=True)
def run(test, params, env):
"""
This test cover two volume commands: vol-clone and vol-wipe.
1. Create a given type pool.
2. Create a given format volume in the pool.
3. Clone the new create volume.
4. Wipe the new clone volume.
5. Delete the volume and pool.
"""
pool_name = params.get("pool_name")
pool_type = params.get("pool_type")
pool_target = params.get("pool_target")
if not os.path.dirname(pool_target):
pool_target = os.path.join(data_dir.get_tmp_dir(), pool_target)
emulated_image = params.get("emulated_image")
emulated_image_size = params.get("emulated_image_size")
vol_name = params.get("vol_name")
new_vol_name = params.get("new_vol_name")
vol_capability = params.get("vol_capability")
vol_allocation = params.get("vol_allocation")
vol_format = params.get("vol_format")
clone_option = params.get("clone_option", "")
wipe_algorithms = params.get("wipe_algorithms")
b_luks_encrypted = "luks" == params.get("encryption_method")
encryption_password = params.get("encryption_password", "redhat")
secret_uuids = []
wipe_old_vol = False
with_clusterSize = "yes" == params.get("with_clusterSize")
vol_clusterSize = params.get("vol_clusterSize", "64")
vol_clusterSize_unit = params.get("vol_clusterSize_unit")
libvirt_version.is_libvirt_feature_supported(params)
if virsh.has_command_help_match("vol-clone",
"--prealloc-metadata") is None:
if "prealloc-metadata" in clone_option:
test.cancel("Option --prealloc-metadata " "is not supported.")
clone_status_error = "yes" == params.get("clone_status_error", "no")
wipe_status_error = "yes" == params.get("wipe_status_error", "no")
setup_libvirt_polkit = "yes" == params.get("setup_libvirt_polkit")
# libvirt acl polkit related params
uri = params.get("virsh_uri")
unpri_user = params.get('unprivileged_user')
if unpri_user:
if unpri_user.count('EXAMPLE'):
unpri_user = '******'
if not libvirt_version.version_compare(1, 1, 1):
if setup_libvirt_polkit:
test.cancel("API acl test not supported in current"
" libvirt version.")
# Using algorithms other than zero need scrub installed.
try:
utils_path.find_command('scrub')
except utils_path.CmdNotFoundError:
logging.warning("Can't locate scrub binary, only 'zero' algorithm "
"is used.")
valid_algorithms = ["zero"]
else:
valid_algorithms = [
"zero", "nnsa", "dod", "bsi", "gutmann", "schneier", "pfitzner7",
"pfitzner33", "random"
]
# Choose an algorithm randomly
if wipe_algorithms:
alg = random.choice(wipe_algorithms.split())
else:
alg = random.choice(valid_algorithms)
libvirt_pvt = utlv.PoolVolumeTest(test, params)
libvirt_pool = libvirt_storage.StoragePool()
if libvirt_pool.pool_exists(pool_name):
test.error("Pool '%s' already exist" % pool_name)
try:
# Create a new pool
disk_vol = []
if pool_type == 'disk':
disk_vol.append(params.get("pre_vol", '10M'))
libvirt_pvt.pre_pool(pool_name=pool_name,
pool_type=pool_type,
pool_target=pool_target,
emulated_image=emulated_image,
image_size=emulated_image_size,
pre_disk_vol=disk_vol)
libvirt_vol = libvirt_storage.PoolVolume(pool_name)
# Create a new volume
if vol_format in ['raw', 'qcow2', 'qed', 'vmdk']:
if (b_luks_encrypted and vol_format in ['raw', 'qcow2']):
if not libvirt_version.version_compare(2, 0, 0):
test.cancel("LUKS is not supported in current"
" libvirt version")
if vol_format == "qcow2" and not libvirt_version.version_compare(
6, 10, 0):
test.cancel("Qcow2 format with luks encryption is not"
" supported in current libvirt version")
luks_sec_uuid = create_luks_secret(
os.path.join(pool_target, vol_name), encryption_password,
test)
secret_uuids.append(luks_sec_uuid)
vol_arg = {}
vol_arg['name'] = vol_name
vol_arg['capacity'] = int(vol_capability)
vol_arg['allocation'] = int(vol_allocation)
vol_arg['format'] = vol_format
if with_clusterSize:
vol_arg['clusterSize'] = int(vol_clusterSize)
vol_arg['clusterSize_unit'] = vol_clusterSize_unit
create_luks_vol(pool_name, vol_name, luks_sec_uuid, vol_arg)
else:
libvirt_pvt.pre_vol(vol_name=vol_name,
vol_format=vol_format,
capacity=vol_capability,
allocation=None,
pool_name=pool_name)
elif vol_format == 'partition':
vol_name = list(utlv.get_vol_list(pool_name).keys())[0]
logging.debug("Find partition %s in disk pool", vol_name)
elif vol_format == 'sparse':
# Create a sparse file in pool
sparse_file = pool_target + '/' + vol_name
cmd = "dd if=/dev/zero of=" + sparse_file
cmd += " bs=1 count=0 seek=" + vol_capability
process.run(cmd, ignore_status=True, shell=True)
else:
test.error("Unknown volume format %s" % vol_format)
# Refresh the pool
virsh.pool_refresh(pool_name, debug=True)
vol_info = libvirt_vol.volume_info(vol_name)
if not vol_info:
test.error("Fail to get info of volume %s" % vol_name)
for key in vol_info:
logging.debug("Original volume info: %s = %s", key, vol_info[key])
# Metadata preallocation is not support for block volume
if vol_info["Type"] == "block" and clone_option.count(
"prealloc-metadata"):
clone_status_error = True
if b_luks_encrypted:
wipe_old_vol = True
if pool_type == "disk":
new_vol_name = utlv.new_disk_vol_name(pool_name)
if new_vol_name is None:
test.error("Fail to generate volume name")
# update polkit rule as the volume name changed
if setup_libvirt_polkit:
vol_pat = r"lookup\('vol_name'\) == ('\S+')"
new_value = "lookup('vol_name') == '%s'" % new_vol_name
utlv.update_polkit_rule(params, vol_pat, new_value)
bad_cloned_vol_name = params.get("bad_cloned_vol_name", "")
if bad_cloned_vol_name:
new_vol_name = bad_cloned_vol_name
# Clone volume
clone_result = virsh.vol_clone(vol_name,
new_vol_name,
pool_name,
clone_option,
debug=True)
if not clone_status_error:
if clone_result.exit_status != 0:
test.fail("Clone volume fail:\n%s" %
clone_result.stderr.strip())
else:
vol_info = libvirt_vol.volume_info(new_vol_name)
for key in vol_info:
logging.debug("Cloned volume info: %s = %s", key,
vol_info[key])
logging.debug("Clone volume successfully.")
# Wipe the new clone volume
if alg:
logging.debug("Wiping volume by '%s' algorithm", alg)
wipe_result = virsh.vol_wipe(new_vol_name,
pool_name,
alg,
unprivileged_user=unpri_user,
uri=uri,
debug=True)
unsupported_err = [
"Unsupported algorithm", "no such pattern sequence"
]
if not wipe_status_error:
if wipe_result.exit_status != 0:
if any(err in wipe_result.stderr
for err in unsupported_err):
test.cancel(wipe_result.stderr)
test.fail("Wipe volume fail:\n%s" %
clone_result.stdout.strip())
else:
virsh_vol_info = libvirt_vol.volume_info(new_vol_name)
for key in virsh_vol_info:
logging.debug("Wiped volume info(virsh): %s = %s",
key, virsh_vol_info[key])
vol_path = virsh.vol_path(new_vol_name,
pool_name).stdout.strip()
qemu_vol_info = utils_misc.get_image_info(vol_path)
for key in qemu_vol_info:
logging.debug("Wiped volume info(qemu): %s = %s",
key, qemu_vol_info[key])
if qemu_vol_info['format'] != 'raw':
test.fail("Expect wiped volume "
"format is raw")
elif wipe_status_error and wipe_result.exit_status == 0:
test.fail("Expect wipe volume fail, but run"
" successfully.")
elif clone_status_error and clone_result.exit_status == 0:
test.fail("Expect clone volume fail, but run" " successfully.")
if wipe_old_vol:
# Wipe the old volume
if alg:
logging.debug("Wiping volume by '%s' algorithm", alg)
wipe_result = virsh.vol_wipe(vol_name,
pool_name,
alg,
unprivileged_user=unpri_user,
uri=uri,
debug=True)
unsupported_err = [
"Unsupported algorithm", "no such pattern sequence"
]
if not wipe_status_error:
if wipe_result.exit_status != 0:
if any(err in wipe_result.stderr
for err in unsupported_err):
test.cancel(wipe_result.stderr)
test.fail("Wipe volume fail:\n%s" %
clone_result.stdout.strip())
else:
virsh_vol_info = libvirt_vol.volume_info(vol_name)
for key in virsh_vol_info:
logging.debug("Wiped volume info(virsh): %s = %s", key,
virsh_vol_info[key])
vol_path = virsh.vol_path(vol_name,
pool_name).stdout.strip()
qemu_vol_info = utils_misc.get_image_info(vol_path)
for key in qemu_vol_info:
logging.debug("Wiped volume info(qemu): %s = %s", key,
qemu_vol_info[key])
if qemu_vol_info['format'] != 'raw':
test.fail("Expect wiped volume " "format is raw")
elif wipe_status_error and wipe_result.exit_status == 0:
test.fail("Expect wipe volume fail, but run" " successfully.")
if bad_cloned_vol_name:
pattern = "volume name '%s' cannot contain '/'" % new_vol_name
if re.search(pattern, clone_result.stderr) is None:
test.fail("vol-clone failed with unexpected reason")
finally:
# Clean up
try:
libvirt_pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image)
for secret_uuid in set(secret_uuids):
virsh.secret_undefine(secret_uuid)
except exceptions.TestFail as detail:
logging.error(str(detail))
finally:
f.close()
try:
cmd_result = virsh.pool_define(pool_xml_f,
ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
test_unit = vol_list.keys()[0]
logging.info("Using the first LUN unit %s to attach to a guest",
test_unit)
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
old_count = vmxml.get_disk_count(vm_name)
bf_disks = libvirt_vm.get_disks()
disk_params = {
'type_name': 'volume',
'target_dev': target_device,
'target_bus': 'virtio',
'source_pool': pool_name,
def run(test, params, env):
"""
Test virsh vol-create-from command to cover the following matrix:
pool = [source, destination]
pool_type = [dir, disk, fs, logical, netfs, iscsi, scsi]
volume_format = [raw, qcow2, qed]
Note, both 'iscsi' and 'scsi' type pools don't support create volume by
virsh, so which can't be destination pools. And for disk pool, it can't
create volume with specified format.
"""
src_pool_type = params.get("src_pool_type")
src_pool_target = params.get("src_pool_target")
src_emulated_image = params.get("src_emulated_image")
src_vol_format = params.get("src_vol_format")
dest_pool_type = params.get("dest_pool_type")
dest_pool_target = params.get("dest_pool_target")
dest_emulated_image = params.get("dest_emulated_image")
dest_vol_format = params.get("dest_vol_format")
prealloc_option = params.get("prealloc_option")
status_error = params.get("status_error", "no")
if not libvirt_version.version_compare(1, 0, 0):
if "--prealloc-metadata" in prealloc_option:
raise error.TestNAError("metadata preallocation not supported in"
" current libvirt version.")
vol_file = ""
try:
# Create the src/dest pool
src_pool_name = "virt-%s-pool" % src_pool_type
dest_pool_name = "virt-%s-pool" % dest_pool_type
pvt = utlv.PoolVolumeTest(test, params)
pvt.pre_pool(src_pool_name, src_pool_type, src_pool_target,
src_emulated_image, image_size="40M",
pre_disk_vol=["1M"])
if src_pool_type != dest_pool_type:
pvt.pre_pool(dest_pool_name, dest_pool_type, dest_pool_target,
dest_emulated_image, image_size="100M",
pre_disk_vol=["1M"])
# Print current pools for debugging
logging.debug("Current pools:%s",
libvirt_storage.StoragePool().list_pools())
# Create the src vol
# 8M is the minimal size for logical volume(PPC)
# 4M is the minimal size for logical volume(x86)
vol_size = params.get("image_volume_size", "16777216")
if src_pool_type in ["dir", "logical", "netfs", "fs"]:
src_vol_name = "src_vol"
pvt.pre_vol(vol_name=src_vol_name, vol_format=src_vol_format,
capacity=vol_size, allocation=None,
pool_name=src_pool_name)
else:
src_vol_name = utlv.get_vol_list(src_pool_name).keys()[0]
# Prepare vol xml file
dest_vol_name = "dest_vol"
# According to BZ#1138523, we need inpect the right name
# (disk partition) for new volume
if dest_pool_type == "disk":
dest_vol_name = utlv.new_disk_vol_name(dest_pool_name)
if dest_vol_name is None:
raise error.TestError("Fail to generate volume name")
if dest_pool_type == "disk":
dest_vol_format = ""
prealloc_option = ""
vol_xml = """
<volume>
<name>%s</name>
<capacity unit='bytes'>%s</capacity>
<target>
<format type='%s'/>
</target>
</volume>
""" % (dest_vol_name, vol_size, dest_vol_format)
logging.debug("Prepare the volume xml: %s", vol_xml)
vol_file = os.path.join(test.tmpdir, "dest_vol.xml")
xml_object = open(vol_file, 'w')
xml_object.write(vol_xml)
xml_object.close()
# iSCSI and SCSI type pool can't create vols via virsh
if dest_pool_type in ["iscsi", "scsi"]:
raise error.TestFail("Unsupport create vol for %s type pool"
% dest_pool_type)
# Metadata preallocation is not supported for block volumes
if dest_pool_type in ["disk", "logical"]:
prealloc_option = ""
# Run run_virsh_vol_create_from to create dest vol
cmd_result = virsh.vol_create_from(dest_pool_name, vol_file,
src_vol_name, src_pool_name,
prealloc_option, ignore_status=True,
debug=True)
status = cmd_result.exit_status
# Check result
if status_error == "no":
if status == 0:
dest_pv = libvirt_storage.PoolVolume(dest_pool_name)
dest_volumes = dest_pv.list_volumes().keys()
logging.debug("Current volumes in %s: %s",
dest_pool_name, dest_volumes)
if dest_vol_name not in dest_volumes:
raise error.TestFail("Can't find volume: % from pool: %s"
% (dest_vol_name, dest_pool_name))
else:
raise error.TestFail(cmd_result.stderr)
else:
if status:
logging.debug("Expect error: %s", cmd_result.stderr)
else:
raise error.TestFail("Expect fail, but run successfully!")
finally:
# Cleanup: both src and dest should be removed
try:
pvt.cleanup_pool(src_pool_name, src_pool_type, src_pool_target,
src_emulated_image)
except error.TestFail, detail:
logging.error(str(detail))
if src_pool_type != dest_pool_type:
pvt.cleanup_pool(dest_pool_name, dest_pool_type, dest_pool_target,
dest_emulated_image)
if os.path.isfile(vol_file):
os.remove(vol_file)
pool_start_status = virsh.pool_start(pool_name)
utlv.check_exit_status(pool_start_status)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
# create vol if required
if need_vol_create == "yes":
vol_create_as_status = virsh.vol_create_as(
volume_name, pool_name,
volume_capacity, allocation,
vol_format, "", debug=True
)
utlv.check_exit_status(vol_create_as_status)
virsh.pool_refresh(pool_name)
vol_list = utlv.get_vol_list(pool_name, vol_check=True,
timeout=_DELAY_TIME*3)
logging.debug('Volume list is: %s' % vol_list)
# use test_unit to save the first vol in pool
if pool_type == "mpath":
cmd = "virsh vol-list %s | grep \"%s\" |\
awk '{FS=\" \"} {print $1}'" % (pool_name, mpath_vol_path)
cmd_result = process.run(cmd, shell=True)
status = cmd_result.exit_status
output = cmd_result.stdout.strip()
if cmd_result.exit_status:
raise exceptions.TestFail("vol-list pool %s failed", pool_name)
if not output:
raise exceptions.TestFail("Newly added mpath dev not in pool.")
test_unit = output
logging.info(
# create qcow2 file on the block device with specified size
if path_to_blk:
cmd = "qemu-img create -f qcow2 %s %s" % (path_to_blk, disk_size)
try:
process.run(cmd, shell=True)
except process.cmdError, detail:
raise exceptions.TestFail(
"Fail to create qcow2 on blk dev: %s", detail)
else:
raise exceptions.TestFail("Don't have a vaild path to blk dev.")
# prepare disk xml
if "vol" in vd_format:
vol_list = utlv.get_vol_list(pool_name,
vol_check=True,
timeout=_TIMEOUT * 3)
test_vol = vol_list.keys()[0]
disk_params = {
'type_name': disk_type,
'target_dev': device_target,
'target_bus': target_bus,
'source_pool': pool_name,
'source_volume': test_vol,
'driver_type': driver_type
}
else:
disk_params = {
'type_name': disk_type,
'device': disk_device,
'driver_name': driver_name,
def run(test, params, env):
"""
This test cover two volume commands: vol-clone and vol-wipe.
1. Create a given type pool.
2. Create a given format volume in the pool.
3. Clone the new create volume.
4. Wipe the new clone volume.
5. Delete the volume and pool.
"""
pool_name = params.get("pool_name")
pool_type = params.get("pool_type")
pool_target = params.get("pool_target")
if not os.path.dirname(pool_target):
pool_target = os.path.join(data_dir.get_tmp_dir(), pool_target)
emulated_image = params.get("emulated_image")
emulated_image_size = params.get("emulated_image_size")
vol_name = params.get("vol_name")
new_vol_name = params.get("new_vol_name")
vol_capability = params.get("vol_capability")
vol_allocation = params.get("vol_allocation")
vol_format = params.get("vol_format")
clone_option = params.get("clone_option", "")
wipe_algorithms = params.get("wipe_algorithms")
b_luks_encrypted = "luks" == params.get("encryption_method")
encryption_password = params.get("encryption_password", "redhat")
secret_uuids = []
wipe_old_vol = False
if virsh.has_command_help_match("vol-clone", "--prealloc-metadata") is None:
if "prealloc-metadata" in clone_option:
test.cancel("Option --prealloc-metadata "
"is not supported.")
clone_status_error = "yes" == params.get("clone_status_error", "no")
wipe_status_error = "yes" == params.get("wipe_status_error", "no")
setup_libvirt_polkit = "yes" == params.get("setup_libvirt_polkit")
# libvirt acl polkit related params
uri = params.get("virsh_uri")
unpri_user = params.get('unprivileged_user')
if unpri_user:
if unpri_user.count('EXAMPLE'):
unpri_user = '******'
if not libvirt_version.version_compare(1, 1, 1):
if setup_libvirt_polkit:
test.cancel("API acl test not supported in current"
" libvirt version.")
# Using algorithms other than zero need scrub installed.
try:
utils_path.find_command('scrub')
except utils_path.CmdNotFoundError:
logging.warning("Can't locate scrub binary, only 'zero' algorithm "
"is used.")
valid_algorithms = ["zero"]
else:
valid_algorithms = ["zero", "nnsa", "dod", "bsi", "gutmann",
"schneier", "pfitzner7", "pfitzner33", "random"]
# Choose an algorithm randomly
if wipe_algorithms:
alg = random.choice(wipe_algorithms.split())
else:
alg = random.choice(valid_algorithms)
libvirt_pvt = utlv.PoolVolumeTest(test, params)
libvirt_pool = libvirt_storage.StoragePool()
if libvirt_pool.pool_exists(pool_name):
test.error("Pool '%s' already exist" % pool_name)
try:
# Create a new pool
disk_vol = []
if pool_type == 'disk':
disk_vol.append(params.get("pre_vol", '10M'))
libvirt_pvt.pre_pool(pool_name=pool_name,
pool_type=pool_type,
pool_target=pool_target,
emulated_image=emulated_image,
image_size=emulated_image_size,
pre_disk_vol=disk_vol)
libvirt_vol = libvirt_storage.PoolVolume(pool_name)
# Create a new volume
if vol_format in ['raw', 'qcow2', 'qed', 'vmdk']:
if (b_luks_encrypted and vol_format in ['raw']):
if not libvirt_version.version_compare(2, 0, 0):
test.cancel("LUKS is not supported in current"
" libvirt version")
luks_sec_uuid = create_luks_secret(os.path.join(pool_target,
vol_name),
encryption_password, test)
secret_uuids.append(luks_sec_uuid)
vol_arg = {}
vol_arg['name'] = vol_name
vol_arg['capacity'] = int(vol_capability)
vol_arg['allocation'] = int(vol_allocation)
create_luks_vol(pool_name, vol_name, luks_sec_uuid, vol_arg)
else:
libvirt_pvt.pre_vol(vol_name=vol_name,
vol_format=vol_format,
capacity=vol_capability,
allocation=None,
pool_name=pool_name)
elif vol_format == 'partition':
vol_name = list(utlv.get_vol_list(pool_name).keys())[0]
logging.debug("Find partition %s in disk pool", vol_name)
elif vol_format == 'sparse':
# Create a sparse file in pool
sparse_file = pool_target + '/' + vol_name
cmd = "dd if=/dev/zero of=" + sparse_file
cmd += " bs=1 count=0 seek=" + vol_capability
process.run(cmd, ignore_status=True, shell=True)
else:
test.error("Unknown volume format %s" % vol_format)
# Refresh the pool
virsh.pool_refresh(pool_name, debug=True)
vol_info = libvirt_vol.volume_info(vol_name)
if not vol_info:
test.error("Fail to get info of volume %s" % vol_name)
for key in vol_info:
logging.debug("Original volume info: %s = %s", key, vol_info[key])
# Metadata preallocation is not support for block volume
if vol_info["Type"] == "block" and clone_option.count("prealloc-metadata"):
clone_status_error = True
if b_luks_encrypted:
wipe_old_vol = True
if pool_type == "disk":
new_vol_name = utlv.new_disk_vol_name(pool_name)
if new_vol_name is None:
test.error("Fail to generate volume name")
# update polkit rule as the volume name changed
if setup_libvirt_polkit:
vol_pat = r"lookup\('vol_name'\) == ('\S+')"
new_value = "lookup('vol_name') == '%s'" % new_vol_name
utlv.update_polkit_rule(params, vol_pat, new_value)
bad_cloned_vol_name = params.get("bad_cloned_vol_name", "")
if bad_cloned_vol_name:
new_vol_name = bad_cloned_vol_name
# Clone volume
clone_result = virsh.vol_clone(vol_name, new_vol_name, pool_name,
clone_option, debug=True)
if not clone_status_error:
if clone_result.exit_status != 0:
test.fail("Clone volume fail:\n%s" %
clone_result.stderr.strip())
else:
vol_info = libvirt_vol.volume_info(new_vol_name)
for key in vol_info:
logging.debug("Cloned volume info: %s = %s", key,
vol_info[key])
logging.debug("Clone volume successfully.")
# Wipe the new clone volume
if alg:
logging.debug("Wiping volume by '%s' algorithm", alg)
wipe_result = virsh.vol_wipe(new_vol_name, pool_name, alg,
unprivileged_user=unpri_user,
uri=uri, debug=True)
unsupported_err = ["Unsupported algorithm",
"no such pattern sequence"]
if not wipe_status_error:
if wipe_result.exit_status != 0:
if any(err in wipe_result.stderr for err in unsupported_err):
test.cancel(wipe_result.stderr)
test.fail("Wipe volume fail:\n%s" %
clone_result.stdout.strip())
else:
virsh_vol_info = libvirt_vol.volume_info(new_vol_name)
for key in virsh_vol_info:
logging.debug("Wiped volume info(virsh): %s = %s",
key, virsh_vol_info[key])
vol_path = virsh.vol_path(new_vol_name,
pool_name).stdout.strip()
qemu_vol_info = utils_misc.get_image_info(vol_path)
for key in qemu_vol_info:
logging.debug("Wiped volume info(qemu): %s = %s",
key, qemu_vol_info[key])
if qemu_vol_info['format'] != 'raw':
test.fail("Expect wiped volume "
"format is raw")
elif wipe_status_error and wipe_result.exit_status == 0:
test.fail("Expect wipe volume fail, but run"
" successfully.")
elif clone_status_error and clone_result.exit_status == 0:
test.fail("Expect clone volume fail, but run"
" successfully.")
if wipe_old_vol:
# Wipe the old volume
if alg:
logging.debug("Wiping volume by '%s' algorithm", alg)
wipe_result = virsh.vol_wipe(vol_name, pool_name, alg,
unprivileged_user=unpri_user,
uri=uri, debug=True)
unsupported_err = ["Unsupported algorithm",
"no such pattern sequence"]
if not wipe_status_error:
if wipe_result.exit_status != 0:
if any(err in wipe_result.stderr for err in unsupported_err):
test.cancel(wipe_result.stderr)
test.fail("Wipe volume fail:\n%s" %
clone_result.stdout.strip())
else:
virsh_vol_info = libvirt_vol.volume_info(vol_name)
for key in virsh_vol_info:
logging.debug("Wiped volume info(virsh): %s = %s",
key, virsh_vol_info[key])
vol_path = virsh.vol_path(vol_name,
pool_name).stdout.strip()
qemu_vol_info = utils_misc.get_image_info(vol_path)
for key in qemu_vol_info:
logging.debug("Wiped volume info(qemu): %s = %s",
key, qemu_vol_info[key])
if qemu_vol_info['format'] != 'raw':
test.fail("Expect wiped volume "
"format is raw")
elif wipe_status_error and wipe_result.exit_status == 0:
test.fail("Expect wipe volume fail, but run"
" successfully.")
if bad_cloned_vol_name:
pattern = "volume name '%s' cannot contain '/'" % new_vol_name
if re.search(pattern, clone_result.stderr) is None:
test.fail("vol-clone failed with unexpected reason")
finally:
# Clean up
try:
libvirt_pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image)
for secret_uuid in set(secret_uuids):
virsh.secret_undefine(secret_uuid)
except exceptions.TestFail as detail:
logging.error(str(detail))
def run(test, params, env):
"""
Test command: virsh pool-define-as; pool-build; pool-start; vol-create-as;
vol-list; attach-device; login; mount and dd; reboot; check persistence;
detach-device; pool-destroy; pool-undefine; clear lv,vg and pv;
Create a libvirt npiv pool from a vHBA's device mapper device and create
a volume out of the newly created pool and attach it to a guest, mount it,
reboot and check persistence after reboot.
Pre-requisite :
Host should have a vHBA associated with a mpath device
"""
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pool_type = params.get("pool_type", "dir")
scsi_wwpn = params.get("scsi_wwpn", "WWPN_EXAMPLE")
scsi_wwnn = params.get("scsi_wwnn", "WWNN_EXAMPLE")
pool_target = params.get("pool_target", "pool_target")
target_device = params.get("disk_target_dev", "vda")
volume_name = params.get("volume_name", "imagefrommapper.qcow2")
volume_capacity = params.get("volume_capacity", '1G')
allocation = params.get("allocation", '1G')
frmt = params.get("volume_format", 'qcow2')
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
mount_disk = None
test_unit = None
if 'EXAMPLE' in scsi_wwnn or 'EXAMPLE' in scsi_wwpn:
raise exceptions.TestSkipError("Please provide proper WWPN/WWNN")
if not vm.is_alive():
vm.start()
pool_extra_args = ""
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir,
vm.address_cache)
process.run("service multipathd restart", shell=True)
online_hbas_list = nodedev.find_hbas("hba")
first_online_hba = online_hbas_list[0]
old_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the old mpath devs are: %s" % old_mpath_devs)
new_vhbas = nodedev.nodedev_create_from_xml(
{"nodedev_parent": first_online_hba,
"scsi_wwnn": scsi_wwnn,
"scsi_wwpn": scsi_wwpn})
logging.info("Newly created vHBA %s" % new_vhbas)
process.run("service multipathd restart", shell=True)
utils_misc.wait_for(
lambda: nodedev.is_mpath_devs_added(old_mpath_devs), timeout=5)
cur_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the current mpath devs are: %s" % cur_mpath_devs)
new_mpath_devs = list(set(cur_mpath_devs).difference(
set(old_mpath_devs)))
logging.debug("newly added mpath devs are: %s" % new_mpath_devs)
if not new_mpath_devs:
raise exceptions.TestFail("No newly added mpath devices found, \
please check your FC settings")
source_dev = os.path.join('/dev/mapper/', new_mpath_devs[0])
logging.debug("We are going to use \"%s\" as our source device"
" to create a logical pool" % source_dev)
cmd = "parted %s mklabel msdos -s" % source_dev
cmd_result = process.run(cmd, shell=True)
utlv.check_exit_status(cmd_result)
if source_dev:
pool_extra_args = ' --source-dev %s' % source_dev
else:
raise exceptions.TestFail(
"The vHBA %s does not have any associated mpath device" % new_vhbas)
pool_ins = libvirt_storage.StoragePool()
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
# if no online hba cards on host, mark case failed
if not online_hbas_list:
raise exceptions.TestSkipError("Host doesn't have online hba cards")
try:
cmd_result = virsh.pool_define_as(
pool_name, pool_type, pool_target, pool_extra_args, ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_build(pool_name)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
cmd_result = virsh.vol_create_as(
volume_name, pool_name, volume_capacity, allocation, frmt, "", debug=True)
utlv.check_exit_status(cmd_result)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
logging.debug('Volume list %s', vol_list)
for unit in vol_list:
test_unit = vol_list[unit]
logging.debug(unit)
disk_params = {'type_name': "file", 'target_dev': target_device,
'target_bus': "virtio", 'source_file': test_unit,
'driver_name': "qemu", 'driver_type': "raw"}
disk_xml = utlv.create_disk_xml(disk_params)
session = vm.wait_for_login()
bf_disks = libvirt_vm.get_disks()
attach_success = virsh.attach_device(
vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
output = session.cmd_status_output('lsblk', timeout=15)
logging.debug("%s", output[1])
session.cmd_status_output('mkfs.ext4 %s' % mount_disk)
if mount_disk:
logging.info("%s", mount_disk)
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Can not find mounted device")
session.close()
virsh.reboot(vm_name, debug=True)
session = vm.wait_for_login()
output = session.cmd_status_output('mount')
logging.debug("Mount output: %s", output[1])
if '/mnt' in output[1]:
logging.debug("Mount Successful accross reboot")
session.close()
status = virsh.detach_device(vm_name, disk_xml,
debug=True)
utlv.check_exit_status(status)
finally:
vm.destroy(gracefully=False)
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
if test_unit:
process.system('lvremove -f %s' % test_unit, verbose=True)
process.system('vgremove -f %s' % pool_name, verbose=True)
process.system('pvremove -f %s' % source_dev, verbose=True)
if new_vhbas:
nodedev.vhbas_cleanup(new_vhbas.split())
process.run("service multipathd restart", shell=True)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
# create vol if required
if need_vol_create == "yes":
vol_create_as_status = virsh.vol_create_as(volume_name,
pool_name,
volume_capacity,
allocation,
vol_format,
"",
debug=True)
utlv.check_exit_status(vol_create_as_status)
virsh.pool_refresh(pool_name)
vol_list = utlv.get_vol_list(pool_name,
vol_check=True,
timeout=_DELAY_TIME * 3)
logging.debug('Volume list is: %s' % vol_list)
# use test_unit to save the first vol in pool
if pool_type == "mpath":
cmd = "virsh vol-list %s | grep \"%s\" |\
awk '{FS=\" \"} {print $1}'" % (pool_name, mpath_vol_path)
cmd_result = process.run(cmd, shell=True)
status = cmd_result.exit_status
output = cmd_result.stdout.strip()
if cmd_result.exit_status:
raise exceptions.TestFail("vol-list pool %s failed", pool_name)
if not output:
raise exceptions.TestFail("Newly added mpath dev not in pool.")
test_unit = output
"virtual disk to VM.")
# create qcow2 file on the block device with specified size
if path_to_blk:
cmd = "qemu-img create -f qcow2 %s %s" % (path_to_blk, disk_size)
try:
process.run(cmd, shell=True)
except process.cmdError, detail:
raise exceptions.TestFail("Fail to create qcow2 on blk dev: %s",
detail)
else:
raise exceptions.TestFail("Don't have a vaild path to blk dev.")
# prepare disk xml
if "vol" in vd_format:
vol_list = utlv.get_vol_list(pool_name, vol_check=True,
timeout=_TIMEOUT*3)
test_vol = vol_list.keys()[0]
disk_params = {'type_name': disk_type,
'target_dev': device_target,
'target_bus': target_bus,
'source_pool': pool_name,
'source_volume': test_vol,
'driver_type': driver_type}
else:
disk_params = {'type_name': disk_type,
'device': disk_device,
'driver_name': driver_name,
'driver_type': driver_type,
'source_file': path_to_blk,
'target_dev': device_target,
'target_bus': target_bus}
logging.debug("Create pool from file:\n %s", f.read())
finally:
f.close()
try:
cmd_result = virsh.pool_define(pool_xml_f, ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
test_unit = vol_list.keys()[0]
logging.info(
"Using the first LUN unit %s to attach to a guest", test_unit)
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
old_count = vmxml.get_disk_count(vm_name)
bf_disks = libvirt_vm.get_disks()
disk_params = {'type_name': 'volume', 'target_dev': target_device,
'target_bus': 'virtio', 'source_pool': pool_name,
'source_volume': test_unit, 'driver_type': 'raw'}
disk_xml = os.path.join(data_dir.get_tmp_dir(), 'disk_xml.xml')
lun_disk_xml = utlv.create_disk_xml(disk_params)
def run(test, params, env):
"""
1. prepare a fc lun with one of following methods
- create a scsi pool&vol
- create a vhba
2. prepare the virtual disk xml, as one of following
- source = /dev/disk/by-path
- source = /dev/mapper/mpathX
- source = pool&vol format
3. start a vm with above disk as vdb
4. create disk-only snapshot of vdb
5. check the snapshot-list and snapshot file's existence
6. mount vdb and touch file to it
7. revert the snapshot and check file's existence
8. delete snapshot
9. cleanup env.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
wwpn = params.get("wwpn", "WWPN_EXAMPLE")
wwnn = params.get("wwnn", "WWNN_EXAMPLE")
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "file")
disk_size = params.get("disk_size", "100M")
device_target = params.get("device_target", "vdb")
driver_name = params.get("driver_name", "qemu")
driver_type = params.get("driver_type", "raw")
target_bus = params.get("target_bus", "virtio")
vd_format = params.get("vd_format", "")
snapshot_dir = params.get("snapshot_dir", "/tmp")
snapshot_name = params.get("snapshot_name", "s1")
pool_name = params.get("pool_name", "")
pool_target = params.get("pool_target", "/dev")
snapshot_disk_only = "yes" == params.get("snapshot_disk_only", "no")
new_vhbas = []
current_vhbas = []
new_vhba = []
path_to_blk = ""
lun_sl = []
new_disk = ""
pool_ins = None
old_mpath_conf = ""
mpath_conf_path = "/etc/multipath.conf"
original_mpath_conf_exist = os.path.exists(mpath_conf_path)
vm = env.get_vm(vm_name)
online_hbas = utils_npiv.find_hbas("hba")
if not online_hbas:
raise exceptions.TestSkipError("There is no online hba cards.")
old_mpath_conf = utils_npiv.prepare_multipath_conf(conf_path=mpath_conf_path,
replace_existing=True)
first_online_hba = online_hbas[0]
old_vhbas = utils_npiv.find_hbas("vhba")
if vm.is_dead():
vm.start()
session = vm.wait_for_login()
virt_vm = libvirt_vm.VM(vm_name, vm.params, vm.root_dir,
vm.address_cache)
old_disks = virt_vm.get_disks()
if vm.is_alive():
vm.destroy(gracefully=False)
if pool_name:
pool_ins = libvirt_storage.StoragePool()
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
try:
# prepare a fc lun
if vd_format in ['scsi_vol']:
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
prepare_scsi_pool(pool_name, wwnn, wwpn,
first_online_hba, pool_target)
utils_misc.wait_for(lambda: utils_npiv.is_vhbas_added(old_vhbas),
timeout=_TIMEOUT)
if not utils_npiv.is_vhbas_added(old_vhbas):
raise exceptions.TestFail("vHBA not successfully created")
current_vhbas = utils_npiv.find_hbas("vhba")
new_vhba = list(set(current_vhbas).difference(
set(old_vhbas)))[0]
new_vhbas.append(new_vhba)
new_vhba_scsibus = re.sub("\D", "", new_vhba)
utils_misc.wait_for(lambda: get_blks_by_scsi(new_vhba_scsibus),
timeout=_TIMEOUT)
new_blks = get_blks_by_scsi(new_vhba_scsibus)
if not new_blks:
raise exceptions.TestFail("block device not found with scsi_%s",
new_vhba_scsibus)
first_blk_dev = new_blks[0]
utils_misc.wait_for(
lambda: get_symbols_by_blk(first_blk_dev),
timeout=_TIMEOUT)
lun_sl = get_symbols_by_blk(first_blk_dev)
if not lun_sl:
raise exceptions.TestFail("lun symbolic links not found under "
"/dev/disk/by-path/ for blk dev %s" %
first_blk_dev)
lun_dev = lun_sl[0]
path_to_blk = os.path.join(_BY_PATH_DIR, lun_dev)
elif vd_format in ['mpath', 'by_path']:
old_mpath_devs = utils_npiv.find_mpath_devs()
new_vhba = utils_npiv.nodedev_create_from_xml(
{"nodedev_parent": first_online_hba,
"scsi_wwnn": wwnn,
"scsi_wwpn": wwpn})
utils_misc.wait_for(
lambda: utils_npiv.is_vhbas_added(old_vhbas),
timeout=_TIMEOUT*2)
if not new_vhba:
raise exceptions.TestFail("vHBA not sucessfully generated.")
new_vhbas.append(new_vhba)
if vd_format == "mpath":
utils_misc.wait_for(
lambda: utils_npiv.is_mpath_devs_added(old_mpath_devs),
timeout=_TIMEOUT*5)
if not utils_npiv.is_mpath_devs_added(old_mpath_devs):
raise exceptions.TestFail("mpath dev not generated.")
cur_mpath_devs = utils_npiv.find_mpath_devs()
new_mpath_devs = list(set(cur_mpath_devs).difference(
set(old_mpath_devs)))
logging.debug("The newly added mpath dev is: %s",
new_mpath_devs)
path_to_blk = "/dev/mapper/" + new_mpath_devs[0]
elif vd_format == "by_path":
new_vhba_scsibus = re.sub("\D", "", new_vhba)
utils_misc.wait_for(lambda: get_blks_by_scsi(new_vhba_scsibus),
timeout=_TIMEOUT)
new_blks = get_blks_by_scsi(new_vhba_scsibus)
if not new_blks:
raise exceptions.TestFail("blk dev not found with scsi_%s",
new_vhba_scsibus)
first_blk_dev = new_blks[0]
utils_misc.wait_for(
lambda: get_symbols_by_blk(first_blk_dev),
timeout=_TIMEOUT)
lun_sl = get_symbols_by_blk(first_blk_dev)
if not lun_sl:
raise exceptions.TestFail("lun symbolic links not found in "
"/dev/disk/by-path/ for %s" %
first_blk_dev)
lun_dev = lun_sl[0]
path_to_blk = os.path.join(_BY_PATH_DIR, lun_dev)
else:
pass
else:
raise exceptions.TestSkipError("Not provided how to pass"
"virtual disk to VM.")
# create qcow2 file on the block device with specified size
if path_to_blk:
cmd = "qemu-img create -f qcow2 %s %s" % (path_to_blk, disk_size)
try:
process.run(cmd, shell=True)
except process.cmdError as detail:
raise exceptions.TestFail("Fail to create qcow2 on blk dev: %s",
detail)
else:
raise exceptions.TestFail("Don't have a vaild path to blk dev.")
# prepare disk xml
if "vol" in vd_format:
vol_list = utlv.get_vol_list(pool_name, vol_check=True,
timeout=_TIMEOUT*3)
test_vol = list(vol_list.keys())[0]
disk_params = {'type_name': disk_type,
'target_dev': device_target,
'target_bus': target_bus,
'source_pool': pool_name,
'source_volume': test_vol,
'driver_type': driver_type}
else:
disk_params = {'type_name': disk_type,
'device': disk_device,
'driver_name': driver_name,
'driver_type': driver_type,
'source_file': path_to_blk,
'target_dev': device_target,
'target_bus': target_bus}
if vm.is_alive():
vm.destroy(gracefully=False)
new_disk = disk.Disk()
new_disk.xml = open(utlv.create_disk_xml(disk_params)).read()
# start vm with the virtual disk
vmxml.devices = vmxml.devices.append(new_disk)
vmxml.sync()
vm.start()
session = vm.wait_for_login()
cur_disks = virt_vm.get_disks()
mount_disk = "".join(list(set(old_disks) ^ set(cur_disks)))
# mkfs and mount disk in vm, create a file on that disk.
if not mount_disk:
logging.debug("old_disk: %s, new_disk: %s", old_disks, cur_disks)
raise exceptions.TestFail("No new disk found in vm.")
mkfs_and_mount(session, mount_disk)
create_file_in_vm(session, "/mnt/before_snapshot.txt", "before")
# virsh snapshot-create-as vm s --disk-only --diskspec vda,file=path
if snapshot_disk_only:
vm_blks = list(vm.get_disk_devices().keys())
options = "%s --disk-only" % snapshot_name
for vm_blk in vm_blks:
snapshot_file = snapshot_dir + "/" + vm_blk + "." + snapshot_name
if os.path.exists(snapshot_file):
os.remove(snapshot_file)
options = options + " --diskspec %s,file=%s" % (vm_blk,
snapshot_file)
else:
options = snapshot_name
utlv.check_exit_status(virsh.snapshot_create_as(vm_name, options))
# check virsh snapshot-list
logging.debug("Running: snapshot-list %s", vm_name)
snapshot_list = virsh.snapshot_list(vm_name)
logging.debug("snapshot list is: %s", snapshot_list)
if not snapshot_list:
raise exceptions.TestFail("snapshots not found after creation.")
# snapshot-revert doesn't support external snapshot for now. so
# only check this with internal snapshot.
if not snapshot_disk_only:
create_file_in_vm(session, "/mnt/after_snapshot.txt", "after")
logging.debug("Running: snapshot-revert %s %s",
vm_name, snapshot_name)
utlv.check_exit_status(virsh.snapshot_revert(vm_name, snapshot_name))
session = vm.wait_for_login()
file_existence, file_content = get_file_in_vm(session,
"/mnt/after_snapshot.txt")
logging.debug("file exist = %s, file content = %s",
file_existence, file_content)
if file_existence:
raise exceptions.TestFail("The file created "
"after snapshot still exists.")
file_existence, file_content = get_file_in_vm(session,
"/mnt/before_snapshot.txt")
logging.debug("file eixst = %s, file content = %s",
file_existence, file_content)
if ((not file_existence) or (file_content.strip() != "before")):
raise exceptions.TestFail("The file created "
"before snapshot is lost.")
# delete snapshots
# if diskonly, delete --metadata and remove files
# if not diskonly, delete snapshot
if snapshot_disk_only:
options = "--metadata"
else:
options = ""
for snap in snapshot_list:
logging.debug("deleting snapshot %s with options %s",
snap, options)
result = virsh.snapshot_delete(vm_name, snap, options)
logging.debug("result of snapshot-delete: %s",
result.stdout.strip())
if snapshot_disk_only:
vm_blks = list(vm.get_disk_devices().keys())
for vm_blk in vm_blks:
snapshot_file = snapshot_dir + "/" + vm_blk + "." + snap
if os.path.exists(snapshot_file):
os.remove(snapshot_file)
snapshot_list = virsh.snapshot_list(vm_name)
if snapshot_list:
raise exceptions.TestFail("Snapshot not deleted: %s", snapshot_list)
except Exception as detail:
raise exceptions.TestFail("exception happens: %s", detail)
finally:
logging.debug("Start to clean up env...")
vmxml_backup.sync()
if pool_ins and pool_ins.pool_exists(pool_name):
virsh.pool_destroy(pool_name)
for new_vhba in new_vhbas:
virsh.nodedev_destroy(new_vhba)
utils_npiv.restart_multipathd()
if old_mpath_conf:
utils_npiv.prepare_multipath_conf(conf_path=mpath_conf_path,
conf_content=old_mpath_conf,
replace_existing=True)
if not original_mpath_conf_exist and os.path.exists(mpath_conf_path):
os.remove(mpath_conf_path)
