def check_slice_blkdeviotune(vm, params, test):
"""
Check block blkdeviotune on disk with slice attribute
:param vm: one object representing VM
:param params: wrapped parameters in dictionary format
:param test: test assert object
"""
device_target = params.get("target_dev")
total_bytes_sec = params.get("total_bytes_sec")
virsh.blkdeviotune(vm.name,
device_target,
" --total-bytes-sec %s" % total_bytes_sec,
ignore_status=False,
debug=True)
blkdeviotune_raw_output = virsh.blkdeviotune(
vm.name, device_target, ignore_status=False,
debug=True).stdout_text.strip()
blkdeviotune_dict = translate_raw_output_into_dict(blkdeviotune_raw_output,
default_delimiter=":")
LOG.debug(blkdeviotune_dict)
# Verify total_bytes_sec is the same with preset one
if blkdeviotune_dict["total_bytes_sec"] != total_bytes_sec:
test.fail("The gotten value: %s is not equal from preset one" %
blkdeviotune_dict["total_bytes_sec"])
def operations():
"""
Do save | domstats | blkdeviotune operations
"""
if self.operation == "save":
virsh.save(self.vm_name, self.save_file, debug=True, timeout=self.operation_timeout)
if self.operation == "domstats":
virsh.domstats(self.vm_name, opertions=self.operation_option, debug=True, timeout=self.operation_timeout)
if self.operation == "blkdeviotune":
virsh.blkdeviotune(self.vm_name, self.disk_tgt, debug=True, timeout=self.operation_timeout)
def operations():
"""
Do save | domstats | blkdeviotune operations
"""
if self.operation == "save":
virsh.save(self.vm_name, self.save_file, debug=True, timeout=self.operation_timeout)
if self.operation == "domstats":
virsh.domstats(self.vm_name, opertions=self.operation_option, debug=True, timeout=self.operation_timeout)
if self.operation == "blkdeviotune":
virsh.blkdeviotune(self.vm_name, self.disk_tgt, debug=True, timeout=self.operation_timeout)
def get_blkdevio_parameter(params):
"""
Get the blkdevio parameters
@params: the parameter dictionary
"""
vm_name = params.get("main_vm")
options = params.get("blkdevio_options")
device = params.get("blkdevio_device")
result = virsh.blkdeviotune(vm_name, device, options=options)
status = result.exit_status
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected %s", result.stderr)
else:
raise error.TestFail("Unexpected return code %d" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
logging.info(result.stdout)
def set_blkdevio_parameter(params, test):
"""
Set the blkdevio parameters
@params: the parameter dictionary
"""
vm_name = params.get("main_vm")
device = params.get("device_name")
options = params.get("blkdevio_options")
blkdevio_params = {x[9:]: params.get(x) for x in params.keys()
if x.startswith('blkdevio_')}
result = virsh.blkdeviotune(vm_name, device, options=options,
params=blkdevio_params, debug=True)
logging.debug("Guest XML:\n%s", libvirt_xml.VMXML.new_from_dumpxml(vm_name))
status = result.exit_status
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected %s", result.stderr)
else:
test.fail("Unexpected return code %d" % status)
elif status_error == "no":
if status:
test.fail(result.stderr)
else:
if check_blkdeviotune(params):
logging.info(result.stdout.strip())
else:
test.fail("The result is inconsistent between "
"test input and command/XML output")
def get_blkdevio_parameter(params):
"""
Get the blkdevio parameters
@params: the parameter dictionary
"""
vm_name = params.get("main_vm")
options = params.get("blkdevio_options")
device = params.get("blkdevio_device")
result = virsh.blkdeviotune(vm_name, device, options=options, debug=True)
status = result.exit_status
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected %s", result.stderr)
else:
raise error.TestFail("Unexpected return code %d" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
logging.info(result.stdout)
def check_blkdeviotune(params):
"""
Check block device I/O parameters
"""
vm_name = params.get("main_vm")
vm = params.get("vm")
options = params.get("blkdevio_options")
device = params.get("device_name", "")
result = virsh.blkdeviotune(vm_name, device)
dicts = {}
# Parsing command output and putting them into python dictionary.
cmd_output = result.stdout.strip().splitlines()
for l in cmd_output:
k, v = l.split(':')
if v.strip().isdigit():
dicts[k.strip()] = int(v.strip())
else:
dicts[k.strip()] = v.strip()
logging.debug("The arguments are from test input %s", dicts)
virt_xml_obj = libvirt_xml.vm_xml.VMXML(virsh_instance=virsh)
if options and "config" in options and vm.is_alive():
blkdev_xml = virt_xml_obj.get_blkdevio_params(vm_name, "--inactive")
else:
blkdev_xml = virt_xml_obj.get_blkdevio_params(vm_name)
logging.debug("The parameters are from XML parser %s", blkdev_xml)
blkdevio_list = ["total_bytes_sec", "read_bytes_sec", "write_bytes_sec",
"total_iops_sec", "read_iops_sec", "write_iops_sec",
"total_bytes_sec_max", "total_iops_sec_max", "group_name"]
if vm.is_alive() and (not options or "config" not in options):
for k in blkdevio_list:
arg_from_test_input = params.get("blkdevio_" + k)
arg_from_cmd_output = dicts.get(k)
logging.debug("output type:%s, output=%s", type(arg_from_cmd_output), arg_from_cmd_output)
logging.debug("input type:%s, input=%s", type(arg_from_test_input), arg_from_test_input)
if arg_from_test_input:
if isinstance(arg_from_cmd_output, int):
arg_from_cmd_output = str(arg_from_cmd_output)
if arg_from_test_input != arg_from_cmd_output:
logging.error("To expect <%s=%s>",
arg_from_test_input, arg_from_cmd_output)
return False
else:
for k in blkdevio_list:
arg_from_test_input = params.get("blkdevio_" + k)
arg_from_xml_output = blkdev_xml.get(k)
if (arg_from_test_input and
int(arg_from_test_input) != arg_from_xml_output):
logging.error("To expect <%s=%s>",
arg_from_test_input, arg_from_xml_output)
return False
return True
def check_blkdeviotune(params):
"""
Check block device I/O parameters
"""
vm_name = params.get("main_vm")
vm = params.get("vm")
options = params.get("blkdevio_options")
device = params.get("blkdevio_device", "")
result = virsh.blkdeviotune(vm_name, device)
dicts = {}
# Parsing command output and putting them into python dictionary.
cmd_output = result.stdout.strip().splitlines()
for l in cmd_output:
k, v = l.split(':')
if v.strip().isdigit():
dicts[k.strip()] = int(v.strip())
else:
dicts[k.strip()] = v.strip()
logging.debug("The arguments are from test input %s", dicts)
virt_xml_obj = libvirt_xml.vm_xml.VMXML(virsh_instance=virsh)
if "config" in options and vm.is_alive():
blkdev_xml = virt_xml_obj.get_blkdevio_params(vm_name, "--inactive")
else:
blkdev_xml = virt_xml_obj.get_blkdevio_params(vm_name)
logging.debug("The parameters are from XML parser %s", blkdev_xml)
blkdevio_list = ["total_bytes_sec", "read_bytes_sec", "write_bytes_sec",
"total_iops_sec", "read_iops_sec", "write_iops_sec"]
if vm.is_alive() and "config" not in options:
for k in blkdevio_list:
arg_from_test_input = params.get("blkdevio_" + k)
arg_from_cmd_output = dicts.get(k)
if (arg_from_test_input and
int(arg_from_test_input) != arg_from_cmd_output):
logging.error("To expect <%s=%s>",
arg_from_test_input, arg_from_cmd_output)
return False
else:
for k in blkdevio_list:
arg_from_test_input = params.get("blkdevio_" + k)
arg_from_xml_output = blkdev_xml.get(k)
if (arg_from_test_input and
int(arg_from_test_input) != arg_from_xml_output):
logging.error("To expect <%s=%s>",
arg_from_test_input, arg_from_xml_output)
return False
return True
def set_blkdevio_parameter(params):
"""
Set the blkdevio parameters
@params: the parameter dictionary
"""
vm_name = params.get("main_vm")
total_bytes_sec = params.get("blkdevio_total_bytes_sec")
read_bytes_sec = params.get("blkdevio_read_bytes_sec")
write_bytes_sec = params.get("blkdevio_write_bytes_sec")
total_iops_sec = params.get("blkdevio_total_iops_sec")
read_iops_sec = params.get("blkdevio_read_iops_sec")
write_iops_sec = params.get("blkdevio_write_iops_sec")
device = params.get("blkdevio_device")
options = params.get("blkdevio_options")
result = virsh.blkdeviotune(vm_name,
device,
options,
total_bytes_sec,
read_bytes_sec,
write_bytes_sec,
total_iops_sec,
read_iops_sec,
write_iops_sec,
debug=True)
status = result.exit_status
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected %s", result.stderr)
else:
raise error.TestFail("Unexpected return code %d" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
if check_blkdeviotune(params):
logging.info(result.stdout)
else:
raise error.TestFail("The result is inconsistent between "
"test input and command/XML output")
def set_blkdevio_parameter(params):
"""
Set the blkdevio parameters
@params: the parameter dictionary
"""
vm_name = params.get("main_vm")
total_bytes_sec = params.get("blkdevio_total_bytes_sec")
read_bytes_sec = params.get("blkdevio_read_bytes_sec")
write_bytes_sec = params.get("blkdevio_write_bytes_sec")
total_iops_sec = params.get("blkdevio_total_iops_sec")
read_iops_sec = params.get("blkdevio_read_iops_sec")
write_iops_sec = params.get("blkdevio_write_iops_sec")
device = params.get("blkdevio_device")
options = params.get("blkdevio_options")
result = virsh.blkdeviotune(
vm_name,
device,
options,
total_bytes_sec,
read_bytes_sec,
write_bytes_sec,
total_iops_sec,
read_iops_sec,
write_iops_sec,
)
status = result.exit_status
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected %s", result.stderr)
else:
raise error.TestFail("Unexpected return code %d" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
if check_blkdeviotune(params):
logging.info(result.stdout)
else:
raise error.TestFail("The result is inconsistent between " "test input and command/XML output")