def update_iothread_xml(define_error=False):
"""
Update xml for test
"""
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
del vmxml.cputune
del vmxml.iothreadids
del vmxml.iothreads
vm_is_active = vm.is_alive()
# Set iothreads first
if iothread_ids:
ids_xml = vm_xml.VMIothreadidsXML()
ids_xml.iothread = iothread_ids.split()
vmxml.iothreadids = ids_xml
# Set cputune
if any([iothreadpins, iothreadscheds, iothread_quota,
iothread_period]):
cputune_xml = vm_xml.VMCPUTuneXML()
if iothreadpins:
io_pins = []
for pins in iothreadpins.split():
thread, cpuset = pins.split(':')
io_pins.append({"iothread": thread, "cpuset": cpuset})
cputune_xml.iothreadpins = io_pins
if iothreadscheds:
io_scheds = []
for sched in iothreadscheds.split():
thread, scheduler = sched.split(":")
io_scheds.append({
"iothreads": thread,
"scheduler": scheduler
})
cputune_xml.iothreadscheds = io_scheds
if iothread_period:
cputune_xml.iothread_period = int(iothread_period)
if iothread_quota:
cputune_xml.iothread_quota = int(iothread_quota)
vmxml.cputune = cputune_xml
# Set iothread
if iothread_num:
vmxml.iothreads = int(iothread_num)
logging.debug("Pre-test xml is %s", vmxml)
if not define_error:
vmxml.sync()
if vm_is_active:
vm.start()
vm.wait_for_login().close()
else:
result = virsh.define(vmxml.xml, debug=True)
libvirt.check_exit_status(result, True)
if err_msg:
libvirt.check_result(result, err_msg)
def run(test, params, env):
"""
Test command: virsh iothread.
The command can change the number of iothread.
1.Prepare test environment,destroy or suspend a VM.
2.Perform virsh iothreadadd operation.
3.Recover test environment.
4.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
pre_vm_state = params.get("iothread_pre_vm_state")
command = params.get("iothread_command", "iothread")
options = params.get("iothread_options")
vm_ref = params.get("iothread_vm_ref", "name")
iothreads = params.get("iothreads", 4)
iothread_id = params.get("iothread_id", "6")
cpuset = params.get("cpuset", "1")
status_error = "yes" == params.get("status_error")
iothreadids = params.get("iothreadids")
iothreadpins = params.get("iothreadpins")
try:
iothreads = int(iothreads)
except ValueError:
# 'iothreads' may not invalid number in negative tests
logging.debug("Can't convert %s to integer type", iothreads)
# Save original configuration
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = vmxml.copy()
try:
if vm.is_alive():
vm.destroy()
option_list = options.split(" ")
for item in option_list:
if virsh.has_command_help_match(command, item) is None:
raise exceptions.TestSkipError("The current libvirt version"
" doesn't support '%s' option" %
item)
# Set iothreads first
if iothreadids:
ids_xml = vm_xml.VMIothreadidsXML()
ids_xml.iothread = iothreadids.split()
vmxml.iothreadids = ids_xml
if iothreadpins:
cputune_xml = vm_xml.VMCPUTuneXML()
io_pins = []
for pins in iothreadpins.split():
thread, cpu = pins.split(':')
io_pins.append({"iothread": thread, "cpuset": cpu})
cputune_xml.iothreadpins = io_pins
vmxml.cputune = cputune_xml
vmxml.iothreads = iothreads
logging.debug("Pre-test xml is %s", vmxml)
vmxml.sync()
# Restart, unless that's not our test
if not vm.is_alive():
vm.start()
vm.wait_for_login()
domid = vm.get_id() # only valid for running
domuuid = vm.get_uuid()
if pre_vm_state == "shut off" and vm.is_alive():
vm.destroy()
# Run test
if vm_ref == "name":
dom_option = vm_name
elif vm_ref == "id":
dom_option = domid
elif vm_ref == "uuid":
dom_option = domuuid
else:
dom_option = vm_ref
virsh_dargs = {"debug": True, "ignore_status": True}
if "yes" == params.get("readonly", "no"):
virsh_dargs.update({"readonly": True})
ret = virsh.iothreadpin(dom_option, iothread_id, cpuset, options,
**virsh_dargs)
libvirt.check_exit_status(ret, status_error)
if not status_error:
# Check domainxml
iothread_info = get_xmlinfo(vm_name, options)
logging.debug("iothreadinfo: %s", iothread_info)
for info in iothread_info:
if info["iothread"] == iothread_id and info["cpuset"] == cpuset:
# Find the iothreadpins in domain xml
break
elif iothread_info.index(info) == (len(iothread_info) - 1):
# Can not find the iothreadpins at last
raise exceptions.TestFail(
"Failed to add iothread %s in domain xml", iothread_id)
# Check iothreadinfo by virsh command
iothread_info = libvirt.get_iothreadsinfo(dom_option, options)
logging.debug("iothreadinfo: %s", iothread_info)
if (iothread_id not in iothread_info
or iothread_info[iothread_id] != cpuset):
raise exceptions.TestFail("Failed to add iothreadpins %s",
iothread_id)
finally:
# Cleanup
if vm.is_alive():
vm.destroy()
orig_config_xml.sync()
