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):
"""
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 virsh domblkerror in 2 types error
1. unspecified error
2. no space
"""
if not virsh.has_help_command('domblkerror'):
test.cancel("This version of libvirt does not support domblkerror "
"test")
vm_name = params.get("main_vm", "avocado-vt-vm1")
error_type = params.get("domblkerror_error_type")
timeout = params.get("domblkerror_timeout", 240)
mnt_dir = params.get("domblkerror_mnt_dir", "/home/test")
export_file = params.get("nfs_export_file", "/etc/exports")
img_name = params.get("domblkerror_img_name", "libvirt-disk")
img_size = params.get("domblkerror_img_size")
target_dev = params.get("domblkerror_target_dev", "vdb")
pool_name = params.get("domblkerror_pool_name", "fs_pool")
vol_name = params.get("domblkerror_vol_name", "vol1")
ubuntu = distro.detect().name == 'Ubuntu'
rhel = distro.detect().name == 'rhel'
nfs_service_package = params.get("nfs_service_package", "nfs-kernel-server")
nfs_service = None
selinux_bool = None
session = None
selinux_bak = ""
vm = env.get_vm(vm_name)
if error_type == "unspecified error":
selinux_local = params.get("setup_selinux_local", "yes") == "yes"
if not ubuntu and not rhel:
nfs_service_package = "nfs"
elif rhel:
nfs_service_package = "nfs-server"
if not rhel and not utils_package.package_install(nfs_service_package):
test.cancel("NFS package not available in host to test")
# backup /etc/exports
shutil.copyfile(export_file, "%s.bak" % export_file)
# backup xml
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Gerenate tmp dir
tmp_dir = data_dir.get_tmp_dir()
img_dir = os.path.join(tmp_dir, 'images')
if not os.path.exists(img_dir):
os.mkdir(img_dir)
# Generate attached disk
process.run("qemu-img create %s %s" %
(os.path.join(img_dir, img_name), img_size),
shell=True, verbose=True)
# Get unspecified error
if error_type == "unspecified error":
# In this situation, guest will attach a disk on nfs, stop nfs
# service will cause guest paused and get unspecified error
nfs_dir = os.path.join(tmp_dir, 'mnt')
if not os.path.exists(nfs_dir):
os.mkdir(nfs_dir)
mount_opt = "rw,no_root_squash,async"
res = libvirt.setup_or_cleanup_nfs(is_setup=True,
mount_dir=nfs_dir,
is_mount=False,
export_options=mount_opt,
export_dir=img_dir)
if not ubuntu:
selinux_bak = res["selinux_status_bak"]
process.run("mount -o nolock,soft,timeo=1,retrans=1,retry=0 "
"127.0.0.1:%s %s" % (img_dir, nfs_dir), shell=True,
verbose=True)
img_path = os.path.join(nfs_dir, img_name)
nfs_service = Factory.create_service(nfs_service_package)
if not ubuntu and selinux_local:
params['set_sebool_local'] = "yes"
params['local_boolean_varible'] = "virt_use_nfs"
params['local_boolean_value'] = "on"
selinux_bool = utils_misc.SELinuxBoolean(params)
selinux_bool.setup()
elif error_type == "no space":
# Steps to generate no space block error:
# 1. Prepare a iscsi disk and build fs pool with it
# 2. Create vol with larger capacity and 0 allocation
# 3. Attach this disk in guest
# 4. In guest, create large image in the vol, which may cause
# guest paused
_pool_vol = None
pool_target = os.path.join(tmp_dir, pool_name)
_pool_vol = libvirt.PoolVolumeTest(test, params)
_pool_vol.pre_pool(pool_name, "fs", pool_target, img_name,
image_size=img_size)
_pool_vol.pre_vol(vol_name, "raw", "100M", "0", pool_name)
img_path = os.path.join(pool_target, vol_name)
# Generate disk xml
# Guest will attach a disk with cache=none and error_policy=stop
img_disk = Disk(type_name="file")
img_disk.device = "disk"
img_disk.source = img_disk.new_disk_source(
**{'attrs': {'file': img_path}})
img_disk.driver = {'name': "qemu",
'type': "raw",
'cache': "none",
'error_policy': "stop"}
img_disk.target = {'dev': target_dev,
'bus': "virtio"}
logging.debug("disk xml is %s", img_disk.xml)
# Start guest and get session
if not vm.is_alive():
vm.start()
session = vm.wait_for_login()
# Get disk list before operation
get_disks_cmd = "fdisk -l|grep '^Disk /dev'|cut -d: -f1|cut -d' ' -f2"
bef_list = str(session.cmd_output(get_disks_cmd)).strip().split("\n")
logging.debug("disk_list_debug = %s", bef_list)
# Attach disk to guest
ret = virsh.attach_device(vm_name, img_disk.xml)
if ret.exit_status != 0:
test.fail("Fail to attach device %s" % ret.stderr)
time.sleep(2)
logging.debug("domain xml is %s", virsh.dumpxml(vm_name))
# get disk list after attach
aft_list = str(session.cmd_output(get_disks_cmd)).strip().split("\n")
logging.debug("disk list after attaching - %s", aft_list)
# Find new disk after attach
new_disk = "".join(list(set(bef_list) ^ set(aft_list)))
logging.debug("new disk is %s", new_disk)
def create_large_image():
"""
Create large image in guest
"""
# install dependent packages
pkg_list = ["parted", "e2fsprogs"]
for pkg in pkg_list:
if not utils_package.package_install(pkg, session):
test.error("Failed to install dependent package %s" % pkg)
# create partition and file system
session.cmd("parted -s %s mklabel msdos" % new_disk)
session.cmd("parted -s %s mkpart primary ext3 '0%%' '100%%'" %
new_disk)
# mount disk and write file in it
session.cmd("mkfs.ext3 %s1" % new_disk)
session.cmd("mkdir -p %s && mount %s1 %s" %
(mnt_dir, new_disk, mnt_dir))
# The following step may cause guest paused before it return
try:
session.cmd("dd if=/dev/zero of=%s/big_file bs=1024 "
"count=51200 && sync" % mnt_dir)
except Exception as err:
logging.debug("Expected Fail %s", err)
session.close()
create_large_image()
if error_type == "unspecified error":
# umount nfs to trigger error after create large image
if nfs_service is not None:
nfs_service.stop()
logging.debug("nfs status is %s", nfs_service.status())
# wait and check the guest status with timeout
def _check_state():
"""
Check domain state
"""
return (vm.state() == "paused")
if not utils_misc.wait_for(_check_state, timeout):
# If not paused, perform one more IO operation to the mnt disk
session = vm.wait_for_login()
session.cmd("echo 'one more write to big file' > %s/big_file" % mnt_dir)
if not utils_misc.wait_for(_check_state, 60):
test.fail("Guest does not paused, it is %s now" % vm.state())
else:
logging.info("Now domain state changed to paused status")
output = virsh.domblkerror(vm_name)
if output.exit_status == 0:
expect_result = "%s: %s" % (img_disk.target['dev'], error_type)
if output.stdout.strip() == expect_result:
logging.info("Get expect result: %s", expect_result)
else:
test.fail("Failed to get expect result, get %s" %
output.stdout.strip())
else:
test.fail("Fail to get domblkerror info:%s" % output.stderr)
finally:
logging.info("Do clean steps")
if session:
session.close()
if error_type == "unspecified error":
if nfs_service is not None:
nfs_service.start()
vm.destroy()
if os.path.isfile("%s.bak" % export_file):
shutil.move("%s.bak" % export_file, export_file)
res = libvirt.setup_or_cleanup_nfs(is_setup=False,
mount_dir=nfs_dir,
export_dir=img_dir,
restore_selinux=selinux_bak)
if selinux_bool:
selinux_bool.cleanup(keep_authorized_keys=True)
elif error_type == "no space":
vm.destroy()
if _pool_vol:
_pool_vol.cleanup_pool(pool_name, "fs", pool_target, img_name)
vmxml_backup.sync()
data_dir.clean_tmp_files()
def run(test, params, env):
"""
Test command: virsh net-destroy.
The command can forcefully stop a given network.
1.Make sure the network exists.
2.Prepare network status.
3.Perform virsh net-destroy operation.
4.Check if the network has been destroied.
5.Recover network environment.
6.Confirm the test result.
"""
net_ref = params.get("net_destroy_net_ref")
extra = params.get("net_destroy_extra", "")
network_name = params.get("net_destroy_network", "default")
network_status = params.get("net_destroy_status", "active")
status_error = params.get("status_error", "no")
net_persistent = "yes" == params.get("net_persistent", "yes")
net_cfg_file = params.get("net_cfg_file",
"/usr/share/libvirt/networks/default.xml")
check_libvirtd = "yes" == params.get("check_libvirtd")
vm_defined = "yes" == params.get("vm_defined")
check_vm = "yes" == params.get("check_vm")
# libvirt acl polkit related params
if not libvirt_version.version_compare(1, 1, 1):
if params.get('setup_libvirt_polkit') == 'yes':
test.cancel("API acl test not supported in current"
" libvirt version.")
uri = params.get("virsh_uri")
unprivileged_user = params.get('unprivileged_user')
if unprivileged_user:
if unprivileged_user.count('EXAMPLE'):
unprivileged_user = '******'
output_all = virsh.net_list("--all").stdout.strip()
# prepare the network status: active, persistent
if not re.search(network_name, output_all):
if net_persistent:
virsh.net_define(net_cfg_file, ignore_status=False)
virsh.net_start(network_name, ignore_status=False)
else:
virsh.create(net_cfg_file, ignore_status=False)
# Backup the current network xml
net_xml_bk = os.path.join(data_dir.get_tmp_dir(), "%s.xml" % network_name)
virsh.net_dumpxml(network_name, to_file=net_xml_bk)
if net_persistent:
if not virsh.net_state_dict()[network_name]['persistent']:
logging.debug("make the network persistent...")
virsh.net_define(net_xml_bk)
else:
if virsh.net_state_dict()[network_name]['persistent']:
virsh.net_undefine(network_name, ignore_status=False)
if not virsh.net_state_dict()[network_name]['active']:
if network_status == "active":
virsh.net_start(network_name, ignore_status=False)
else:
if network_status == "inactive":
logging.debug(
"destroy network as we need to test inactive network...")
virsh.net_destroy(network_name, ignore_status=False)
logging.debug("After prepare: %s" % virsh.net_state_dict())
# Run test case
if net_ref == "uuid":
net_ref = virsh.net_uuid(network_name).stdout.strip()
elif net_ref == "name":
net_ref = network_name
if check_libvirtd or check_vm:
vm_name = params.get("main_vm")
if virsh.is_alive(vm_name):
virsh.destroy(vm_name)
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml
# make sure there is interface with source network as default
iface_devices = vmxml.get_devices(device_type="interface")
has_default_net = False
for iface in iface_devices:
source = iface.get_source()
if 'network' in source.keys() and source['network'] == 'default':
has_default_net = True
break
elif 'bridge' in source.keys() and source['bridge'] == 'virbr0':
has_default_net = True
break
if not has_default_net:
options = "network default --current"
virsh.attach_interface(vm_name, options, ignore_status=False)
try:
if vm_defined:
ret = virsh.start(vm_name)
else:
logging.debug("undefine the vm, then create the vm...")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
virsh.undefine(vm_name)
ret = virsh.create(vmxml.xml)
logging.debug(ret.stdout)
# check the create or start cmd status
utils_test.libvirt.check_exit_status(
ret, expect_error=(network_status != 'active'))
status = 1
if status_error != 'yes':
libvirtd = utils_libvirtd.Libvirtd("virtqemud")
daemon_name = libvirtd.service_name
pid_before_run = utils_misc.get_pid(daemon_name)
ret = virsh.net_destroy(net_ref,
extra,
uri=uri,
debug=True,
unprivileged_user=unprivileged_user,
ignore_status=True)
utils_test.libvirt.check_exit_status(ret, expect_error=False)
# check_libvirtd pid no change
pid_after_run = utils_misc.get_pid(daemon_name)
if pid_after_run != pid_before_run:
test.fail("libvirtd crash after destroy network!")
status = 1
else:
logging.debug(
"libvirtd do not crash after destroy network!")
status = 0
if check_libvirtd:
# destroy vm, check libvirtd pid no change
ret = virsh.destroy(vm_name)
utils_test.libvirt.check_exit_status(ret,
expect_error=False)
pid_after_run2 = utils_misc.get_pid(daemon_name)
if pid_after_run2 != pid_before_run:
test.fail("libvirtd crash after destroy vm!")
status = 1
else:
logging.debug(
"libvirtd do not crash after destroy vm!")
status = 0
elif check_vm:
# restart libvirtd and check vm is running
libvirtd = utils_libvirtd.Libvirtd()
libvirtd.restart()
if not virsh.is_alive(vm_name):
test.fail(
"vm shutdown when transient network destroyed then libvirtd restart"
)
else:
status = 0
finally:
if not vm_defined:
vmxml_backup.define()
vmxml_backup.sync()
else:
readonly = (params.get("net_destroy_readonly", "no") == "yes")
status = virsh.net_destroy(net_ref,
extra,
uri=uri,
readonly=readonly,
debug=True,
unprivileged_user=unprivileged_user,
ignore_status=True).exit_status
# Confirm the network has been destroyed.
if net_persistent:
if virsh.net_state_dict()[network_name]['active']:
status = 1
else:
output_all = virsh.net_list("--all").stdout.strip()
if re.search(network_name, output_all):
status = 1
logging.debug(
"transient network should not exists after destroy")
# Recover network status to system default status
try:
if network_name not in virsh.net_state_dict():
virsh.net_define(net_xml_bk, ignore_status=False)
if not virsh.net_state_dict()[network_name]['active']:
virsh.net_start(network_name, ignore_status=False)
if not virsh.net_state_dict()[network_name]['persistent']:
virsh.net_define(net_xml_bk, ignore_status=False)
if not virsh.net_state_dict()[network_name]['autostart']:
virsh.net_autostart(network_name, ignore_status=False)
except process.CmdError:
test.error("Recover network status failed!")
# Clean up the backup network xml file
if os.path.isfile(net_xml_bk):
data_dir.clean_tmp_files()
logging.debug("Cleaning up the network backup xml")
# Check status_error
if status_error == "yes":
if status == 0:
test.fail("Run successfully with wrong command!")
elif status_error == "no":
if status != 0:
test.fail("Run failed with right command")
else:
test.error("The status_error must be 'yes' or 'no'!")
def test_dump():
# test virsh_dump
cmd_result = virsh.dump(vm_name, dump_file,
option="--memory-only", **dargs)
if cmd_result.exit_status:
test.fail("Failed to virsh dump of domain %s" % vm_name)
try:
for stress_value in range(0, int(stress_val)):
device_hotplug()
test_ping()
if flood_ping == "yes":
test_flood_ping()
if suspend_operation == "yes":
test_suspend()
if reboot_operation == "yes":
test_reboot()
if virsh_dumpxml == "yes":
test_dumpxml()
if virsh_dump == "yes":
test_dump()
device_hotunplug()
finally:
# clean up
data_dir.clean_tmp_files()
backup_xml.sync()
if not libvirt_version.version_compare(3, 10, 0):
pci_devs.sort()
reattach_device(pci_devs, pci_ids)
# 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)
def run(test, params, env):
"""
Test for PCI single function device(NIC or Infiniband)
passthrough to libvirt guest in hotplug mode.
a). NIC Or Infiniband:
1. Get params.
2. Get the pci device function.
3. Start guest
4. prepare device xml to be attached
5. hotplug the device
6. check device hotplugged or not
7. Ping to server_ip from guest
8. test flood ping
9. test guest life cycle
10. test virsh dumpxml
11. hotunplug the device
12. test stress
to verify the new network device.
"""
# get the params from params
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
device_name = params.get("libvirt_pci_net_dev_name", "ENTER_YOUR.DEV.NAME")
pci_id = params.get("libvirt_pci_net_dev_label", "ENTER_YOUR.DEV.LABEL")
net_ip = params.get("libvirt_pci_net_ip", "ENTER_YOUR.IP")
server_ip = params.get("libvirt_pci_server_ip", "ENTER_YOUR.SERVER.IP")
netmask = params.get("libvirt_pci_net_mask", "ENTER_YOUR.MASK")
stress_val = params.get("stress_val", "1")
stress = params.get("stress", "no")
timeout = int(params.get("timeout", "ENTER_YOUR.TIMEOUT.VALUE"))
suspend_operation = params.get("suspend_operation", "no")
reboot_operation = params.get("reboot_operation", "no")
virsh_dumpxml = params.get("virsh_dumpxml", "no")
virsh_dump = params.get("virsh_dump", "no")
flood_ping = params.get("flood_ping", "no")
# Check the parameters from configuration file.
for each_param in params.itervalues():
if "ENTER_YOUR" in each_param:
test.cancel("Please enter the configuration details of %s." %
each_param)
vmxml = VMXML.new_from_inactive_dumpxml(vm_name)
backup_xml = vmxml.copy()
devices = vmxml.get_devices()
pci_devs = []
dargs = {'debug': True, 'ignore_status': True}
controller = Controller("controller")
controller.type = "pci"
controller.index = params.get("index", "1")
controller.model = params.get("model", "pci-root")
devices.append(controller)
vmxml.set_devices(devices)
vmxml.sync()
if not vm.is_alive():
vm.start()
session = vm.wait_for_login()
if not utils_package.package_install(
["ppc64-diag", "librtas", "powerpc-utils"], session, 360):
test.cancel('Fail on dependencies installing')
if virsh_dump == "yes":
dump_file = os.path.join(data_dir.get_tmp_dir(), "virshdump.xml")
output = session.cmd_output("ip link")
logging.debug("checking for output - %s", output)
nic_list_before = str(output.splitlines())
logging.debug("nic_list before hotplug %s", nic_list_before)
obj = PciAssignable()
# get all functions id's
pci_ids = obj.get_same_group_devs(pci_id)
for val in pci_ids:
temp = val.replace(":", "_")
pci_devs.extend(["pci_" + temp])
pci_val = pci_devs[0].replace(".", "_")
pci_xml = NodedevXML.new_from_dumpxml(pci_val)
pci_address = pci_xml.cap.get_address_dict()
dev = VMXML.get_device_class('hostdev')()
dev.mode = 'subsystem'
dev.type = 'pci'
dev.managed = 'no'
dev.source = dev.new_source(**pci_address)
def detach_device(pci_devs, pci_ids):
# detaching the device from host
for pci_value, pci_node in map(None, pci_devs, pci_ids):
pci_value = pci_value.replace(".", "_")
cmd = "lspci -ks %s | grep 'Kernel driver in use' |\
awk '{print $5}'" % pci_node
driver_name = process.run(cmd, shell=True).stdout_text.strip()
if driver_name == "vfio-pci":
logging.debug("device already detached")
else:
if virsh.nodedev_detach(pci_value).exit_status:
test.error("Hostdev node detach failed")
driver_name = process.run(cmd, shell=True).stdout_text.strip()
if driver_name != "vfio-pci":
test.error("driver bind failed after detach")
def reattach_device(pci_devs, pci_ids):
# reattach the device to host
for pci_value, pci_node in map(None, pci_devs, pci_ids):
pci_value = pci_value.replace(".", "_")
cmd = "lspci -ks %s | grep 'Kernel driver in use' |\
awk '{print $5}'" % pci_node
driver_name = process.run(cmd, shell=True).stdout_text.strip()
if driver_name != "vfio-pci":
logging.debug("device already attached")
else:
if virsh.nodedev_reattach(pci_value).exit_status:
test.fail("Hostdev node reattach failed")
driver_name = process.run(cmd, shell=True).stdout_text.strip()
if driver_name == "vfio-pci":
test.error("driver bind failed after reattach")
def check_attach_pci():
session = vm.wait_for_login()
output = session.cmd_output("ip link")
nic_list_after = str(output.splitlines())
logging.debug(nic_list_after)
return nic_list_after != nic_list_before
def device_hotplug():
if not libvirt_version.version_compare(3, 10, 0):
detach_device(pci_devs, pci_ids)
# attach the device in hotplug mode
result = virsh.attach_device(vm_name,
dev.xml,
flagstr="--live",
debug=True)
if result.exit_status:
test.error(result.stdout.strip())
else:
logging.debug(result.stdout.strip())
if not utils_misc.wait_for(check_attach_pci, timeout):
test.fail("timeout value is not sufficient")
# detach hot plugged device
def device_hotunplug():
result = virsh.detach_device(vm_name,
dev.xml,
flagstr="--live",
debug=True)
if result.exit_status:
test.fail(result.stdout.strip())
else:
logging.debug(result.stdout.strip())
# Fix me
# the purpose of waiting here is after detach the device from
# guest it need time to perform any other operation on the device
time.sleep(timeout)
if not libvirt_version.version_compare(3, 10, 0):
pci_devs.sort()
reattach_device(pci_devs, pci_ids)
def test_ping():
try:
output = session.cmd_output("lspci -nn | grep %s" % device_name)
nic_id = str(output).split(' ', 1)[0]
nic_name = str(
utils_misc.get_interface_from_pci_id(nic_id, session))
session.cmd("ip addr flush dev %s" % nic_name)
session.cmd("ip addr add %s/%s dev %s" %
(net_ip, netmask, nic_name))
session.cmd("ip link set %s up" % nic_name)
s_ping, o_ping = utils_net.ping(dest=server_ip,
count=5,
interface=net_ip)
logging.info(s_ping)
logging.info(o_ping)
if s_ping:
test.fail("Ping test failed")
except aexpect.ShellError as detail:
test.error("Succeed to set ip on guest, but failed "
"to bring up interface.\n"
"Detail: %s." % detail)
def test_flood_ping():
# Test Flood Ping
s_ping, o_ping = utils_net.ping(dest=server_ip,
count=5,
interface=net_ip,
flood=True)
logging.info(s_ping)
logging.info(o_ping)
if s_ping:
test.fail("Flood ping test failed")
def test_suspend():
# Suspend
result = virsh.suspend(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
cmd = "virsh domstate %s" % vm_name
if "paused" not in virsh.domstate(vm_name, **dargs).stdout:
test.fail("suspend vm failed")
# Resume
result = virsh.resume(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
if "running" not in virsh.domstate(vm_name, **dargs).stdout:
test.fail("resume vm failed")
if check_attach_pci():
logging.debug("adapter found after suspend/resume")
else:
test.fail("passthroughed adapter not found after suspend/resume")
def test_reboot():
# Reboot(not supported on RHEL6)
result = virsh.reboot(vm_name, ignore_status=True, debug=True)
supported_err = 'not supported by the connection driver:\
virDomainReboot'
if supported_err in result.stderr.strip():
logging.info("Reboot is not supported")
else:
libvirt.check_exit_status(result)
vm.wait_for_login()
if check_attach_pci():
logging.debug("adapter found after reboot")
else:
test.fail("passthroughed adapter not found after reboot")
def test_dumpxml():
# test dumpxml
cmd_result = virsh.dumpxml(vm_name, debug=True)
if cmd_result.exit_status:
test.fail("Failed to dump xml of domain %s" % vm_name)
def test_dump():
# test virsh_dump
cmd_result = virsh.dump(vm_name,
dump_file,
option="--memory-only",
**dargs)
if cmd_result.exit_status:
test.fail("Failed to virsh dump of domain %s" % vm_name)
try:
for stress_value in range(0, int(stress_val)):
device_hotplug()
test_ping()
if flood_ping == "yes":
test_flood_ping()
if suspend_operation == "yes":
test_suspend()
if reboot_operation == "yes":
test_reboot()
if virsh_dumpxml == "yes":
test_dumpxml()
if virsh_dump == "yes":
test_dump()
device_hotunplug()
finally:
# clean up
data_dir.clean_tmp_files()
backup_xml.sync()
if not libvirt_version.version_compare(3, 10, 0):
pci_devs.sort()
reattach_device(pci_devs, pci_ids)
def run(test, params, env):
"""
Test virsh domblkerror in 2 types error
1. unspecified error
2. no space
"""
if not virsh.has_help_command('domblkerror'):
test.cancel("This version of libvirt does not support domblkerror "
"test")
vm_name = params.get("main_vm", "avocado-vt-vm1")
error_type = params.get("domblkerror_error_type")
timeout = params.get("domblkerror_timeout", 240)
mnt_dir = params.get("domblkerror_mnt_dir", "/home/test")
export_file = params.get("nfs_export_file", "/etc/exports")
img_name = params.get("domblkerror_img_name", "libvirt-disk")
img_size = params.get("domblkerror_img_size")
target_dev = params.get("domblkerror_target_dev", "vdb")
pool_name = params.get("domblkerror_pool_name", "fs_pool")
vol_name = params.get("domblkerror_vol_name", "vol1")
ubuntu = distro.detect().name == 'Ubuntu'
rhel = distro.detect().name == 'rhel'
nfs_service_package = params.get("nfs_service_package", "nfs-kernel-server")
nfs_service = None
session = None
selinux_bak = ""
vm = env.get_vm(vm_name)
if error_type == "unspecified error":
if not ubuntu and not rhel:
nfs_service_package = "nfs"
elif rhel:
nfs_service_package = "nfs-server"
if not rhel and not utils_package.package_install(nfs_service_package):
test.cancel("NFS package not available in guest to test")
# backup /etc/exports
shutil.copyfile(export_file, "%s.bak" % export_file)
# backup xml
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Gerenate tmp dir
tmp_dir = data_dir.get_tmp_dir()
img_dir = os.path.join(tmp_dir, 'images')
if not os.path.exists(img_dir):
os.mkdir(img_dir)
# Generate attached disk
process.run("qemu-img create %s %s" %
(os.path.join(img_dir, img_name), img_size),
shell=True, verbose=True)
# Get unspecified error
if error_type == "unspecified error":
# In this situation, guest will attach a disk on nfs, stop nfs
# service will cause guest paused and get unspecified error
nfs_dir = os.path.join(tmp_dir, 'mnt')
if not os.path.exists(nfs_dir):
os.mkdir(nfs_dir)
mount_opt = "rw,no_root_squash,async"
res = libvirt.setup_or_cleanup_nfs(is_setup=True,
mount_dir=nfs_dir,
is_mount=False,
export_options=mount_opt,
export_dir=img_dir)
if not ubuntu:
selinux_bak = res["selinux_status_bak"]
process.run("mount -o nolock,soft,timeo=1,retrans=1,retry=0 "
"127.0.0.1:%s %s" % (img_dir, nfs_dir), shell=True,
verbose=True)
img_path = os.path.join(nfs_dir, img_name)
nfs_service = Factory.create_service(nfs_service_package)
elif error_type == "no space":
# Steps to generate no space block error:
# 1. Prepare a iscsi disk and build fs pool with it
# 2. Create vol with larger capacity and 0 allocation
# 3. Attach this disk in guest
# 4. In guest, create large image in the vol, which may cause
# guest paused
_pool_vol = None
pool_target = os.path.join(tmp_dir, pool_name)
_pool_vol = libvirt.PoolVolumeTest(test, params)
_pool_vol.pre_pool(pool_name, "fs", pool_target, img_name,
image_size=img_size)
_pool_vol.pre_vol(vol_name, "raw", "100M", "0", pool_name)
img_path = os.path.join(pool_target, vol_name)
# Generate disk xml
# Guest will attach a disk with cache=none and error_policy=stop
img_disk = Disk(type_name="file")
img_disk.device = "disk"
img_disk.source = img_disk.new_disk_source(
**{'attrs': {'file': img_path}})
img_disk.driver = {'name': "qemu",
'type': "raw",
'cache': "none",
'error_policy': "stop"}
img_disk.target = {'dev': target_dev,
'bus': "virtio"}
logging.debug("disk xml is %s", img_disk.xml)
# Start guest and get session
if not vm.is_alive():
vm.start()
session = vm.wait_for_login()
# Get disk list before operation
get_disks_cmd = "fdisk -l|grep '^Disk /dev'|cut -d: -f1|cut -d' ' -f2"
bef_list = str(session.cmd_output(get_disks_cmd)).strip().split("\n")
logging.debug("disk_list_debug = %s", bef_list)
# Attach disk to guest
ret = virsh.attach_device(domain_opt=vm_name,
file_opt=img_disk.xml)
if ret.exit_status != 0:
test.fail("Fail to attach device %s" % ret.stderr)
time.sleep(2)
logging.debug("domain xml is %s", virsh.dumpxml(vm_name))
# get disk list after attach
aft_list = str(session.cmd_output(get_disks_cmd)).strip().split("\n")
logging.debug("disk list after attaching - %s", aft_list)
# Find new disk after attach
new_disk = "".join(list(set(bef_list) ^ set(aft_list)))
logging.debug("new disk is %s", new_disk)
def create_large_image():
"""
Create large image in guest
"""
# create partition and file system
session.cmd("parted -s %s mklabel msdos" % new_disk)
session.cmd("parted -s %s mkpart primary ext3 '0%%' '100%%'" %
new_disk)
# mount disk and write file in it
session.cmd("mkfs.ext3 %s1" % new_disk)
session.cmd("mkdir -p %s && mount %s1 %s" %
(mnt_dir, new_disk, mnt_dir))
# The following step may cause guest paused before it return
try:
session.cmd("dd if=/dev/zero of=%s/big_file bs=1024 "
"count=51200 && sync" % mnt_dir)
except Exception as err:
logging.debug("Expected Fail %s", err)
session.close()
create_large_image()
if error_type == "unspecified error":
# umount nfs to trigger error after create large image
if nfs_service is not None:
nfs_service.stop()
logging.debug("nfs status is %s", nfs_service.status())
# wait and check the guest status with timeout
def _check_state():
"""
Check domain state
"""
return (vm.state() == "paused")
if not utils_misc.wait_for(_check_state, timeout):
# If not paused, perform one more IO operation to the mnt disk
session = vm.wait_for_login()
session.cmd("echo 'one more write to big file' > %s/big_file" % mnt_dir)
if not utils_misc.wait_for(_check_state, 60):
test.fail("Guest does not paused, it is %s now" % vm.state())
else:
logging.info("Now domain state changed to paused status")
output = virsh.domblkerror(vm_name)
if output.exit_status == 0:
expect_result = "%s: %s" % (img_disk.target['dev'], error_type)
if output.stdout.strip() == expect_result:
logging.info("Get expect result: %s", expect_result)
else:
test.fail("Failed to get expect result, get %s" %
output.stdout.strip())
else:
test.fail("Fail to get domblkerror info:%s" % output.stderr)
finally:
logging.info("Do clean steps")
if session:
session.close()
if error_type == "unspecified error":
if nfs_service is not None:
nfs_service.start()
vm.destroy()
if os.path.isfile("%s.bak" % export_file):
shutil.move("%s.bak" % export_file, export_file)
res = libvirt.setup_or_cleanup_nfs(is_setup=False,
mount_dir=nfs_dir,
export_dir=img_dir,
restore_selinux=selinux_bak)
elif error_type == "no space":
vm.destroy()
if _pool_vol:
_pool_vol.cleanup_pool(pool_name, "fs", pool_target, img_name)
vmxml_backup.sync()
data_dir.clean_tmp_files()
