def define_pool(pool_name, pool_type, pool_target):
"""
To define a pool
"""
if "dir" in pool_type:
try:
os.makedirs(pool_target)
except OSError, details:
raise error.TestFail("Check the target path:\n%s" % details)
result = virsh.pool_define_as(pool_name, pool_type, pool_target, ignore_status=True)
if result.exit_status != 0:
raise error.TestFail("Command virsh pool-define-as" "failed:\n%s" % result.stdout)
else:
logging.debug("%s type pool: %s defined successfully", pool_type, pool_name)
def define_pool(pool_name, pool_type, pool_target):
"""
To define a pool
"""
if 'dir' in pool_type:
try:
os.makedirs(pool_target)
except OSError, details:
raise error.TestFail("Check the target path:\n%s" % details)
result = virsh.pool_define_as(pool_name,
pool_type,
pool_target,
ignore_status=True)
if result.exit_status != 0:
raise error.TestFail("Command virsh pool-define-as"
"failed:\n%s" % result.stdout)
else:
logging.debug("%s type pool: %s defined successfully",
pool_type, pool_name)
def define_start_pool(pool_name, pool_type, pool_target):
"""
To define a pool
"""
if 'dir' in pool_type:
if not os.path.isdir(pool_target):
os.makedirs(pool_target)
result = virsh.pool_define_as(pool_name, pool_type, pool_target)
if result.exit_status != 0:
raise error.TestFail("Command virsh pool-define-as"
" failed:\n%s" % result.stderr.strip())
else:
logging.debug("%s type pool: %s defined successfully",
pool_type, pool_name)
result = virsh.pool_start(pool_name, ignore_status=True)
if result.exit_status != 0:
raise error.TestFail("Command virsh pool-start failed:\n%s" %
result.stderr)
else:
logging.debug("Pool: %s successfully started", pool_name)
else:
raise error.TestNAError("pool type %s has not yet been"
" supported in the test" % pool_type)
return True
def define_start_pool(pool_name, pool_type, pool_target):
"""
To define a pool
"""
if 'dir' in pool_type:
if not os.path.isdir(pool_target):
os.makedirs(pool_target)
result = virsh.pool_define_as(pool_name, pool_type, pool_target)
if result.exit_status != 0:
raise error.TestFail("Command virsh pool-define-as"
" failed:\n%s" % result.stderr.strip())
else:
logging.debug("%s type pool: %s defined successfully"
, pool_type, pool_name)
result = virsh.pool_start(pool_name, ignore_status=True)
if result.exit_status != 0:
raise error.TestFail("Command virsh pool-start failed:\n%s" %
result.stderr)
else:
logging.debug("Pool: %s successfully started", pool_name)
else:
raise error.TestNAError("pool type %s has not yet been"
" supported in the test" % pool_type)
return True
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):
"""
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 define_pool(pool_name, pool_type, pool_target, cleanup_flag):
"""
To define a given type pool(Support types: 'dir', 'netfs', logical',
iscsi', 'disk' and 'fs').
:param pool_name: Name of the pool
:param pool_type: Type of the pool
:param pool_target: Target for underlying storage
"""
extra = ""
vg_name = pool_name
cleanup_nfs = False
cleanup_iscsi = False
cleanup_logical = False
if not os.path.exists(pool_target):
os.mkdir(pool_target)
if pool_type == "dir":
pass
elif pool_type == "netfs":
# Set up NFS server without mount
nfs_path = setup_or_cleanup_nfs(True, pool_target, False)
cleanup_nfs = True
extra = "--source-host %s --source-path %s" % ('localhost', nfs_path)
elif pool_type == "logical":
# Create vg by using iscsi device
lv_utils.vg_create(vg_name, setup_or_cleanup_iscsi(True))
cleanup_iscsi = True
cleanup_logical = True
extra = "--source-name %s" % vg_name
elif pool_type == "iscsi":
# Set up iscsi target without login
iscsi_target = setup_or_cleanup_iscsi(True, False)
cleanup_iscsi = True
extra = "--source-host %s --source-dev %s" % ('localhost',
iscsi_target)
elif pool_type == "disk":
# Set up iscsi target and login
device_name = setup_or_cleanup_iscsi(True)
cleanup_iscsi = True
# Create a partition to make sure disk pool can start
cmd = "parted -s %s mklabel msdos" % device_name
utils.run(cmd)
cmd = "parted -s %s mkpart primary ext4 0 100" % device_name
utils.run(cmd)
extra = "--source-dev %s" % device_name
elif pool_type == "fs":
# Set up iscsi target and login
device_name = setup_or_cleanup_iscsi(True)
cleanup_iscsi = True
# Format disk to make sure fs pool can start
cmd = "mkfs.ext4 -F %s" % device_name
utils.run(cmd)
extra = "--source-dev %s" % device_name
elif pool_type in ["scsi", "mpath", "rbd", "sheepdog"]:
raise error.TestNAError(
"Pool type '%s' has not yet been supported in the test." %
pool_type)
else:
raise error.TestFail("Invalid pool type: '%s'." % pool_type)
# Mark the clean up flags
cleanup_flag[0] = cleanup_nfs
cleanup_flag[1] = cleanup_iscsi
cleanup_flag[2] = cleanup_logical
try:
result = virsh.pool_define_as(pool_name,
pool_type,
pool_target,
extra,
ignore_status=True)
except error.CmdError:
logging.error("Define '%s' type pool fail.", pool_type)
return result
def define_pool(pool_name, pool_type, pool_target, cleanup_flag):
"""
To define a given type pool(Support types: 'dir', 'netfs', logical',
iscsi', 'disk' and 'fs').
:param pool_name: Name of the pool
:param pool_type: Type of the pool
:param pool_target: Target for underlying storage
"""
extra = ""
vg_name = pool_name
cleanup_nfs = False
cleanup_iscsi = False
cleanup_logical = False
if not os.path.exists(pool_target):
os.mkdir(pool_target)
if pool_type == "dir":
pass
elif pool_type == "netfs":
# Set up NFS server without mount
nfs_path = setup_or_cleanup_nfs(True, pool_target, False)
cleanup_nfs = True
extra = "--source-host %s --source-path %s" % ('localhost',
nfs_path)
elif pool_type == "logical":
# Create vg by using iscsi device
lv_utils.vg_create(vg_name, setup_or_cleanup_iscsi(True))
cleanup_iscsi = True
cleanup_logical = True
extra = "--source-name %s" % vg_name
elif pool_type == "iscsi":
# Set up iscsi target without login
iscsi_target = setup_or_cleanup_iscsi(True, False)
cleanup_iscsi = True
extra = "--source-host %s --source-dev %s" % ('localhost',
iscsi_target)
elif pool_type == "disk":
# Set up iscsi target and login
device_name = setup_or_cleanup_iscsi(True)
cleanup_iscsi = True
# Create a partition to make sure disk pool can start
cmd = "parted -s %s mklabel msdos" % device_name
utils.run(cmd)
cmd = "parted -s %s mkpart primary ext4 0 100" % device_name
utils.run(cmd)
extra = "--source-dev %s" % device_name
elif pool_type == "fs":
# Set up iscsi target and login
device_name = setup_or_cleanup_iscsi(True)
cleanup_iscsi = True
# Format disk to make sure fs pool can start
cmd = "mkfs.ext4 -F %s" % device_name
utils.run(cmd)
extra = "--source-dev %s" % device_name
elif pool_type in ["scsi", "mpath", "rbd", "sheepdog"]:
raise error.TestNAError(
"Pool type '%s' has not yet been supported in the test." %
pool_type)
else:
raise error.TestFail("Invalid pool type: '%s'." % pool_type)
# Mark the clean up flags
cleanup_flag[0] = cleanup_nfs
cleanup_flag[1] = cleanup_iscsi
cleanup_flag[2] = cleanup_logical
try:
result = virsh.pool_define_as(pool_name, pool_type, pool_target, extra,
ignore_status=True)
except error.CmdError:
logging.error("Define '%s' type pool fail.", pool_type)
return result
try:
f = open(pool_xml_f, 'r')
logging.debug("Create pool from file: %s", f.read())
finally:
f.close()
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:
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)
try:
f = open(pool_xml_f, 'r')
logging.debug("Create pool from file: %s", f.read())
finally:
f.close()
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:
def run(test, params, env):
"""
Test command: virsh pool-edit.
Edit the XML configuration for a storage pool('dir' type as default).
1) Edit the target path(mkdir).
2) Delete uuid, edit name and target(define a new pool).
"""
pool_ref = params.get("pool_ref", "name")
pool_name = params.get("pool_name", "default")
pool_uuid = params.get("pool_uuid", "")
new_pool_name = params.get("new_pool_name", "new_edit_pool")
pool_exist = "yes" == params.get("pool_exist", "yes")
status_error = "yes" == params.get("status_error", "no")
pool = pool_name
pool_type = params.get("pool_type", "dir")
source_name = params.get("pool_source_name", "gluster-vol1")
source_path = params.get("pool_source_path", "/")
# A flag for delete pool if it defined automatically
del_pool_flag = False
if pool_ref == "uuid":
pool = pool_uuid
if pool_exist and not status_error:
pool = pool_name
libvirt_pool = libvirt_storage.StoragePool()
if libvirt_pool.pool_exists(pool_name):
logging.debug("Find pool '%s' to edit.", pool_name)
if not pool_uuid and pool_ref == "uuid":
pool = libvirt_pool.get_pool_uuid(pool_name)
else:
logging.debug("Pool '%s' not exist, will define it automatically.")
if pool_type == "gluster":
cleanup_env = [False, False, False, "", False]
result = utils_test.libvirt.define_pool(pool_name, pool_type,
"/tmp", cleanup_env,
gluster_vol_number=0,
gluster_source_path=source_path,
gluster_source_name=source_name)
else:
result = virsh.pool_define_as(pool_name, 'dir', '/tmp')
if result.exit_status:
raise error.TestFail("Fail to define pool '%s'" % pool_name)
else:
del_pool_flag = True
try:
ori_xml = pool_xml.PoolXML.backup_xml(pool_name)
ori_poolxml = pool_xml.PoolXML()
ori_poolxml.xml = ori_xml
logging.debug("Before edit pool:")
# format 2 positive tests
edit_test1 = {}
edit_test2 = {}
# edit test 1: Edit target path
if pool_type != "gluster":
edit_path1 = os.path.join(data_dir.get_tmp_dir(), "edit_pool")
os.mkdir(edit_path1)
edit_test1['type'] = "edit"
edit_test1['edit_cmd'] = [":%s/<path>.*</<path>" +
edit_path1.replace('/', '\/') + "<"]
else:
edit_test1['type'] = ""
edit_test1['edit_cmd'] = ""
# edit test 2: Delete uuid, edit pool name and target path
edit_test2['type'] = "define"
edit_cmd = []
edit_cmd.append(":g/<uuid>/d")
if pool_type != "gluster":
edit_path2 = os.path.join(data_dir.get_tmp_dir(), "new_pool")
os.mkdir(edit_path2)
edit_cmd.append(":%s/<path>.*</<path>" +
edit_path2.replace('/', '\/') + "<")
edit_cmd.append(":%s/<name>" + pool_name + "</<name>" +
new_pool_name + "<")
edit_test2['edit_cmd'] = edit_cmd
# run test
for edit_test in [edit_test1, edit_test2]:
edit_pool(pool, edit_test['edit_cmd'])
if edit_test['type'] == "edit":
if pool_type != "gluster":
edit_path = edit_path1
if libvirt_pool.is_pool_active(pool_name):
libvirt_pool.destroy_pool(pool_name)
if edit_test['type'] == "define":
pool = new_pool_name
if pool_type != "gluster":
edit_path = edit_path2
edit_xml = pool_xml.PoolXML.backup_xml(pool)
edit_poolxml = pool_xml.PoolXML()
edit_poolxml.xml = edit_xml
logging.debug("After %s pool:", edit_test['type'])
edit_poolxml.debug_xml()
if pool_type != "gluster":
if check_target_path(pool, edit_path):
logging.info("Check pool target path pass.")
else:
logging.debug("Check pool target path fail.")
if not libvirt_pool.start_pool(pool):
raise error.TestFail("Fail to start pool after edit it.")
finally:
if libvirt_pool.pool_exists(new_pool_name):
libvirt_pool.delete_pool(new_pool_name)
libvirt_pool.delete_pool(pool_name)
if not del_pool_flag:
ori_poolxml.pool_define()
if pool_type != "gluster":
os.rmdir(edit_path1)
os.rmdir(edit_path2)
else:
utils_test.libvirt.setup_or_cleanup_gluster(False, source_name)
elif not pool_exist and not status_error:
raise error.TestFail("Conflict condition: pool not exist and expect "
"pool edit succeed.")
else:
# negative test
output = virsh.pool_edit(pool)
if output.exit_status:
logging.info("Fail to do pool edit as expect: %s",
output.stderr.strip())
else:
raise error.TestFail("Expect fail but do pool edit succeed.")
