def check_policy_update(origin_policy, policy_list, xml_policy_file,
device_type, flag_str):
"""
Check updated policy after executing virsh update-device.
:param origin_policy: the inherit startup policy value.
:param policy_list: updated policy list.
:param xml_policy_file: xml file for startupPolicy.
:param device_type: device type,cdrom or disk.,etc
:param flag_str: it can be --config,--live and --persistent.
"""
for policy in policy_list:
xmltreefile = XMLTreeFile(xml_policy_file)
try:
policy_item = xmltreefile.find('/source')
policy_item.set('startupPolicy', policy)
except AttributeError as elem_attr:
test.error("Fail to find startupPolicy attribute.%s",
str(elem_attr))
xmltreefile.write(xml_policy_file, encoding="UTF-8")
ret = virsh.update_device(vm_name,
xml_policy_file,
flagstr=flag_str,
debug=True)
if all([device_type == "disk", policy == "requisite"]):
libvirt.check_exit_status(ret, True)
return
else:
libvirt.check_exit_status(ret)
def check_policy_value(active_policy, inactive_policy):
"""
Check policy value in dumpxml with active or inactive option
:param active_policy: active policy attribute value
:param inactive_policy: inactive policy attribute value
"""
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
disk_list = vmxml.devices.by_device_tag("disk")
disk = disk_list[len(disk_list) - 1]
if not active_policy == disk.source.attrs["startupPolicy"]:
test.error(
"Actual policy:%s in active state is not equal to expected:%s"
% (active_policy, disk.source.attrs["startupPolicy"]))
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
disk_list = vmxml.devices.by_device_tag("disk")
disk = disk_list[len(disk_list) - 1]
if not inactive_policy == disk.source.attrs["startupPolicy"]:
test.error(
"Actual policy:%s in inactive state is not equal to expected: %s"
%
(inactive_policy, disk.source.attrs["startupPolicy"]))
if flag_str == "--live":
check_policy_value(policy, origin_policy)
elif flag_str == "--config":
check_policy_value(origin_policy, policy)
elif flag_str == "--persistent":
check_policy_value(policy, policy)
def check_policy_update(origin_policy, policy_list, xml_policy_file, device_type, flag_str):
"""
Check updated policy after executing virsh update-device.
:param origin_policy: the inherit startup policy value.
:param policy_list: updated policy list.
:param xml_policy_file: xml file for startupPolicy.
:param device_type: device type,cdrom or disk.,etc
:param flag_str: it can be --config,--live and --persistent.
"""
for policy in policy_list:
xmltreefile = XMLTreeFile(xml_policy_file)
try:
policy_item = xmltreefile.find('/source')
policy_item.set('startupPolicy', policy)
except AttributeError as elem_attr:
test.error("Fail to find startupPolicy attribute.%s", str(elem_attr))
xmltreefile.write(xml_policy_file, encoding="UTF-8")
ret = virsh.update_device(vm_name, xml_policy_file, flagstr=flag_str, debug=True)
if all([device_type == "disk", policy == "requisite"]):
libvirt.check_exit_status(ret, True)
return
else:
libvirt.check_exit_status(ret)
def check_policy_value(active_policy, inactive_policy):
"""
Check policy value in dumpxml with active or inactive option
:param active_policy: active policy attribute value
:param inactive_policy: inactive policy attribute value
"""
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
disk_list = vmxml.devices.by_device_tag("disk")
disk = disk_list[len(disk_list)-1]
if not active_policy == disk.source.attrs["startupPolicy"]:
test.error("Actual policy:%s in active state is not equal to expected:%s"
% (active_policy, disk.source.attrs["startupPolicy"]))
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
disk_list = vmxml.devices.by_device_tag("disk")
disk = disk_list[len(disk_list)-1]
if not inactive_policy == disk.source.attrs["startupPolicy"]:
test.error("Actual policy:%s in inactive state is not equal to expected: %s"
% (inactive_policy, disk.source.attrs["startupPolicy"]))
if flag_str == "--live":
check_policy_value(policy, origin_policy)
elif flag_str == "--config":
check_policy_value(origin_policy, policy)
elif flag_str == "--persistent":
check_policy_value(policy, policy)
def check_source_update(xml_policy_file):
"""
Update source and policy at the same time,then check those changes.
:param xml_policy_file: VM xml policy file
"""
xmltreefile = XMLTreeFile(xml_policy_file)
policy_item = xmltreefile.find('/source')
def configure_startup_policy(update=False, policy='optional'):
"""
Configure startupPolicy attribute value.
:param update: update value or not
:param policy: policy value
:return: flag_option and boolean value
"""
if update:
del policy_item.attrib["startupPolicy"]
else:
policy_item.set("startupPolicy", policy)
flag_option = "--live"
xmltreefile.write(xml_policy_file, encoding="UTF-8")
return flag_option, False
# Update source and startUpPolicy attribute value.
def update_source_policy(update=True, policy='optional'):
"""
Update startupPolicy source value.
:param update: update value or not
:param policy: policy value
:return: flag_option and boolean value
"""
source_file = policy_item.get('file')
if update:
new_source_file = source_file + ".empty"
else:
new_source_file = source_file + ".new"
shutil.copyfile(source_file, new_source_file)
policy_item.set("file", new_source_file)
policy_item.set("startupPolicy", policy)
flag_option = "--persistent"
xmltreefile.write(xml_policy_file, encoding="UTF-8")
return flag_option, False
function_list = [
configure_startup_policy, update_source_policy,
configure_startup_policy, update_source_policy
]
function_parameter = [False, False, True, True]
# Loop all above scenarios to update device.
for index in list(range(len(function_list))):
try:
func = function_list[index]
para = function_parameter[index]
flag_option, update_error = func(para)
ret = virsh.update_device(vm_name,
xml_policy_file,
flagstr=flag_option,
debug=True)
libvirt.check_exit_status(ret, expect_error=update_error)
except AttributeError as elem_attr:
test.error("Fail to remove startupPolicy attribute:%s" %
str(elem_attr))
except Exception as update_device_exception:
test.error("Fail to update device:%s" %
str(update_device_exception))
finally:
source_file = policy_item.get('file')
new_source_file = source_file + ".new"
if os.path.exists(new_source_file):
os.remove(new_source_file)
def check_source_update(xml_policy_file):
"""
Update source and policy at the same time,then check those changes.
:param xml_policy_file: VM xml policy file
"""
xmltreefile = XMLTreeFile(xml_policy_file)
policy_item = xmltreefile.find('/source')
def configure_startup_policy(update=False, policy='optional'):
"""
Configure startupPolicy attribute value.
:param update: update value or not
:param policy: policy value
:return: flag_option and boolean value
"""
if update:
del policy_item.attrib["startupPolicy"]
else:
policy_item.set("startupPolicy", policy)
flag_option = "--live"
xmltreefile.write(xml_policy_file, encoding="UTF-8")
return flag_option, False
# Update source and startUpPolicy attribute value.
def update_source_policy(update=True, policy='optional'):
"""
Update startupPolicy source value.
:param update: update value or not
:param policy: policy value
:return: flag_option and boolean value
"""
source_file = policy_item.get('file')
if update:
new_source_file = source_file+".empty"
else:
new_source_file = source_file+".new"
shutil.copyfile(source_file, new_source_file)
policy_item.set("file", new_source_file)
policy_item.set("startupPolicy", policy)
flag_option = "--persistent"
xmltreefile.write(xml_policy_file, encoding="UTF-8")
return flag_option, False
function_list = [configure_startup_policy, update_source_policy,
configure_startup_policy, update_source_policy]
function_parameter = [False, False, True, True]
# Loop all above scenarios to update device.
for index in list(range(len(function_list))):
try:
func = function_list[index]
para = function_parameter[index]
flag_option, update_error = func(para)
ret = virsh.update_device(vm_name, xml_policy_file, flagstr=flag_option, debug=True)
libvirt.check_exit_status(ret, expect_error=update_error)
except AttributeError as elem_attr:
test.error("Fail to remove startupPolicy attribute:%s" % str(elem_attr))
except Exception as update_device_exception:
test.error("Fail to update device:%s" % str(update_device_exception))
finally:
source_file = policy_item.get('file')
new_source_file = source_file+".new"
if os.path.exists(new_source_file):
os.remove(new_source_file)