def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if nessesary.
if not vm.has_swap():
vm.create_swap_partition()
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
wait_fun = lambda: vm.state() == "shut off"
if not utils_misc.wait_for(wait_fun, 30):
raise error.TestFail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
session = vm.wait_for_login()
check_vm_guestagent(session)
session.close()
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
raise error.TestFail("vm is not alive after dompmwakeup")
def manipulate_domain(vm_name, action, recover=False):
"""
Save/managedsave/S3/S4 domain or recover it.
"""
tmp_dir = data_dir.get_tmp_dir()
save_file = os.path.join(tmp_dir, vm_name + ".save")
if not recover:
if action == "save":
save_option = ""
result = virsh.save(vm_name,
save_file,
save_option,
ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
elif action == "managedsave":
managedsave_option = ""
result = virsh.managedsave(vm_name,
managedsave_option,
ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
elif action == "s3":
suspend_target = "mem"
result = virsh.dompmsuspend(vm_name,
suspend_target,
ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
elif action == "s4":
suspend_target = "disk"
result = virsh.dompmsuspend(vm_name,
suspend_target,
ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
# Wait domain state change: 'in shutdown' -> 'shut off'
utils_misc.wait_for(lambda: virsh.is_dead(vm_name), 5)
else:
logging.debug("No operation for the domain")
else:
if action == "save":
if os.path.exists(save_file):
result = virsh.restore(save_file,
ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
os.remove(save_file)
else:
raise error.TestError("No save file for domain restore")
elif action in ["managedsave", "s4"]:
result = virsh.start(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif action == "s3":
suspend_target = "mem"
result = virsh.dompmwakeup(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
else:
logging.debug("No need recover the domain")
def manipulate_domain(vm_name, action, recover=False):
"""
Save/managedsave/S3/S4 domain or recover it.
"""
tmp_dir = data_dir.get_tmp_dir()
save_file = os.path.join(tmp_dir, vm_name + ".save")
if not recover:
if action == "save":
save_option = ""
result = virsh.save(vm_name, save_file, save_option,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif action == "managedsave":
managedsave_option = ""
result = virsh.managedsave(vm_name, managedsave_option,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif action == "s3":
suspend_target = "mem"
result = virsh.dompmsuspend(vm_name, suspend_target,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif action == "s4":
suspend_target = "disk"
result = virsh.dompmsuspend(vm_name, suspend_target,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
# Wait domain state change: 'in shutdown' -> 'shut off'
utils_misc.wait_for(lambda: virsh.is_dead(vm_name), 5)
else:
logging.debug("No operation for the domain")
else:
if action == "save":
if os.path.exists(save_file):
result = virsh.restore(save_file, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
os.remove(save_file)
else:
raise error.TestError("No save file for domain restore")
elif action in ["managedsave", "s4"]:
result = virsh.start(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif action == "s3":
suspend_target = "mem"
result = virsh.dompmwakeup(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
else:
logging.debug("No need recover the domain")
def run_pm_test(params, libvirtd, vm):
"""
Destroy VM after executed a series of operations about S3 and save restore
"""
vm_name = vm.name
vm_xml = VMXML.new_from_inactive_dumpxml(vm_name)
vm_xml_backup = vm_xml.copy()
save_path = os.path.join(data_dir.get_tmp_dir(), 'tmp.save')
try:
pm_xml = VMPMXML()
pm_xml.mem_enabled = 'yes'
vm_xml.pm = pm_xml
vm_xml.sync()
vm.prepare_guest_agent()
virsh.dompmsuspend(vm.name, 'mem')
virsh.dompmwakeup(vm.name)
virsh.save(vm.name, save_path)
virsh.restore(save_path)
virsh.dompmsuspend(vm.name, 'mem')
virsh.save(vm.name, save_path)
virsh.destroy(vm.name)
finally:
vm_xml_backup.sync()
def run_pm_test(params, libvirtd, vm):
"""
Destroy VM after executed a series of operations about S3 and save restore
"""
vm_name = vm.name
vm_xml = VMXML.new_from_inactive_dumpxml(vm_name)
vm_xml_backup = vm_xml.copy()
save_path = os.path.join(data_dir.get_tmp_dir(), 'tmp.save')
try:
pm_xml = VMPMXML()
pm_xml.mem_enabled = 'yes'
vm_xml.pm = pm_xml
vm_xml.sync()
vm.prepare_guest_agent()
virsh.dompmsuspend(vm.name, 'mem')
virsh.dompmwakeup(vm.name)
virsh.save(vm.name, save_path)
virsh.restore(save_path)
virsh.dompmsuspend(vm.name, 'mem')
virsh.save(vm.name, save_path)
virsh.destroy(vm.name)
finally:
vm_xml_backup.sync()
def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if nessesary.
if not vm.has_swap():
swap_path = os.path.join(data_dir.get_tmp_dir(), 'swap.img')
vm.create_swap_partition(swap_path)
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
if not utils_misc.wait_for(lambda: vm.state() == "shut off", 60):
test.fail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
# Prepare guest agent and start guest
try:
vm.prepare_guest_agent()
except (remote.LoginError, virt_vm.VMError) as detail:
test.fail("failed to prepare agent:\n%s" % detail)
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
# Check vm state
if not utils_misc.wait_for(lambda: vm.state() == "pmsuspended", 60):
test.fail("vm isn't suspended after S3 operation")
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
test.fail("vm is not alive after dompmwakeup")
def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if necessary.
if not vm.has_swap():
swap_path = os.path.join(data_dir.get_data_dir(), 'swap.img')
vm.create_swap_partition(swap_path)
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
if not utils_misc.wait_for(lambda: vm.state() == "shut off", 60):
test.fail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
# Prepare guest agent and start guest
try:
vm.prepare_guest_agent()
except (remote.LoginError, virt_vm.VMError) as detail:
test.fail("failed to prepare agent:\n%s" % detail)
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
# Check vm state
if not utils_misc.wait_for(lambda: vm.state() == "pmsuspended", 60):
test.fail("vm isn't suspended after S3 operation")
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
test.fail("vm is not alive after dompmwakeup")
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
def check_vm_guestagent(session):
# Check if qemu-ga already started automatically
cmd = "rpm -q qemu-guest-agent || yum install -y qemu-guest-agent"
stat_install = session.cmd_status(cmd, 300)
if stat_install != 0:
raise error.TestFail("Fail to install qemu-guest-agent, make"
"sure that you have usable repo in guest")
# Check if qemu-ga already started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
session.cmd("qemu-ga -d")
# Check if the qemu-ga really started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
raise error.TestFail("Fail to run qemu-ga in guest")
def check_pm_utils(session):
# Check if pm-utils is present in vm
cmd = "rpm -q pm-utils || yum install -y pm-utils"
stat_install = session.cmd_status(cmd, 300)
if stat_install != 0:
raise error.TestFail("Fail to install pm-utils, make"
"sure that you have usable repo in guest")
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
status_error = "yes" == params.get("status_error", "yes")
virsh_dargs = {'debug': True}
# A backup of original vm
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
logging.debug("original xml is %s", vmxml_backup)
try:
if vm.is_alive():
vm.destroy()
libvirt_xml.VMXML.set_agent_channel(vm_name)
vm.start()
session = vm.wait_for_login()
check_vm_guestagent(session)
check_pm_utils(session)
session.close()
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, **virsh_dargs)
status = result.exit_status
err = result.stderr.strip()
# Check status_error
if status_error:
if status == 0 or err == "":
raise error.TestFail("Expect fail, but run successfully!")
else:
if status != 0 or err != "":
raise error.TestFail("Run failed with right command")
finally:
# cleanup
if vm_state == "paused":
vm.resume()
if suspend_target == "mem" or suspend_target == "hybrid":
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
# Recover xml of vm.
vmxml_backup.sync()
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
def check_vm_guestagent(session):
# Check if qemu-ga already started automatically
cmd = "rpm -q qemu-guest-agent || yum install -y qemu-guest-agent"
stat_install, output = session.cmd_status_output(cmd, 300)
logging.debug(output)
if stat_install != 0:
raise error.TestError("Fail to install qemu-guest-agent, make"
"sure that you have usable repo in guest")
# Check if qemu-ga already started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
session.cmd("qemu-ga -d")
# Check if the qemu-ga really started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
raise error.TestError("Fail to run qemu-ga in guest")
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
pm_enabled = params.get("pm_enabled", "not_set")
# A backup of original vm
vm_xml = VMXML.new_from_inactive_dumpxml(vm_name)
vm_xml_backup = vm_xml.copy()
# Expected possible fail patterns.
# Error output should match one of these patterns.
# An empty list mean test should succeed.
fail_pat = []
# Setup possible failure patterns
if pm_enabled == 'not_set':
fail_pat.append('not supported')
if pm_enabled == 'no':
fail_pat.append('disabled')
if vm_state == 'paused':
fail_pat.append('not responding')
elif vm_state == 'shutoff':
fail_pat.append('not running')
try:
if vm.is_alive():
vm.destroy()
# Set pm tag in domain's XML if needed.
if pm_enabled == 'not_set':
if 'pm' in vm_xml:
del vm_xml.pm
else:
pm_xml = VMPM()
if suspend_target == 'mem':
pm_xml.mem_enabled = pm_enabled
elif suspend_target == 'disk':
pm_xml.disk_enabled = pm_enabled
elif suspend_target == 'hybrid':
if 'hybrid_enabled' in dir(pm_xml):
pm_xml.hybrid_enabled = pm_enabled
else:
raise error.TestNAError("PM suspend type 'hybrid' is not "
"supported yet.")
vm_xml.pm = pm_xml
vm_xml.sync()
VMXML.set_agent_channel(vm_name)
vm.start()
# Create swap partition/file if nessesary.
need_mkswap = False
if suspend_target in ['disk', 'hybrid']:
need_mkswap = not vm.has_swap()
if need_mkswap:
logging.debug("Creating swap partition.")
vm.create_swap_partition()
session = vm.wait_for_login()
try:
check_vm_guestagent(session)
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, debug=True)
finally:
# Restore VM state
if vm_state == "paused":
vm.resume()
if suspend_target in ['mem', 'hybrid']:
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
else:
if vm.state() == "in shutdown":
vm.wait_for_shutdown()
if vm.is_dead():
vm.start()
# Cleanup
session.close()
if need_mkswap:
vm.cleanup_swap()
if result.exit_status == 0:
if fail_pat:
raise error.TestFail("Expected failed with %s, but run succeed"
":\n%s" % (fail_pat, result))
else:
if not fail_pat:
raise error.TestFail("Expected success, but run failed:\n%s"
% result)
#if not any_pattern_match(fail_pat, result.stderr):
if not any(p in result.stderr for p in fail_pat):
raise error.TestFail("Expected failed with one of %s, but "
"failed with:\n%s" % (fail_pat, result))
finally:
# Recover xml of vm.
vm_xml_backup.sync()
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
pm_enabled = params.get("pm_enabled", "not_set")
test_managedsave = "yes" == params.get("test_managedsave", "no")
test_save_restore = "yes" == params.get("test_save_restore", "no")
test_suspend_resume = "yes" == params.get("test_suspend_resume", "no")
pmsuspend_error = 'yes' == params.get("pmsuspend_error", 'no')
# Libvirt acl test related params
uri = params.get("virsh_uri")
unprivileged_user = params.get('unprivileged_user')
if unprivileged_user:
if unprivileged_user.count('EXAMPLE'):
unprivileged_user = '******'
if not libvirt_version.version_compare(1, 1, 1):
if params.get('setup_libvirt_polkit') == 'yes':
raise error.TestNAError("API acl test not supported in current"
" libvirt version.")
# A backup of original vm
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
# Expected possible fail patterns.
# Error output should match one of these patterns.
# An empty list mean test should succeed.
fail_pat = []
virsh_dargs = {'debug': True, 'ignore_status': True}
if params.get('setup_libvirt_polkit') == 'yes':
virsh_dargs_copy = virsh_dargs.copy()
virsh_dargs_copy['uri'] = uri
virsh_dargs_copy['unprivileged_user'] = unprivileged_user
if pmsuspend_error:
fail_pat.append('access denied')
# Setup possible failure patterns
if pm_enabled == 'not_set':
fail_pat.append('not supported')
if pm_enabled == 'no':
fail_pat.append('disabled')
if vm_state == 'paused':
fail_pat.append('not responding')
elif vm_state == 'shutoff':
fail_pat.append('not running')
try:
if vm.is_alive():
vm.destroy()
# Set pm tag in domain's XML if needed.
if pm_enabled == 'not_set':
try:
if vmxml.pm:
del vmxml.pm
except xcepts.LibvirtXMLNotFoundError:
pass
else:
pm_xml = vm_xml.VMPMXML()
if suspend_target == 'mem':
pm_xml.mem_enabled = pm_enabled
elif suspend_target == 'disk':
pm_xml.disk_enabled = pm_enabled
elif suspend_target == 'hybrid':
pm_xml.mem_enabled = pm_enabled
pm_xml.disk_enabled = pm_enabled
vmxml.pm = pm_xml
vmxml.sync()
vm.prepare_guest_agent()
# Create swap partition/file if nessesary.
need_mkswap = False
if suspend_target in ['disk', 'hybrid']:
need_mkswap = not vm.has_swap()
if need_mkswap:
logging.debug("Creating swap partition.")
vm.create_swap_partition()
try:
libvirtd = utils_libvirtd.Libvirtd()
savefile = os.path.join(test.tmpdir, "%s.save" % vm_name)
session = vm.wait_for_login()
# Touch a file on guest to test managed save command.
if test_managedsave:
session.cmd_status("touch pmtest")
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, debug=True,
uri=uri,
unprivileged_user=unprivileged_user)
if result.exit_status == 0:
if fail_pat:
raise error.TestFail("Expected failed with %s, but run succeed"
":\n%s" % (fail_pat, result))
else:
if not fail_pat:
raise error.TestFail("Expected success, but run failed:\n%s"
% result)
#if not any_pattern_match(fail_pat, result.stderr):
if not any(p in result.stderr for p in fail_pat):
raise error.TestFail("Expected failed with one of %s, but "
"failed with:\n%s" % (fail_pat, result))
if test_managedsave:
ret = virsh.managedsave(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Dompmwakeup should return false here
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret, True)
ret = virsh.start(vm_name)
libvirt.check_exit_status(ret)
if not vm.is_paused():
raise error.TestFail("Vm status is not paused before pm wakeup")
if params.get('setup_libvirt_polkit') == 'yes':
ret = virsh.dompmwakeup(vm_name, **virsh_dargs_copy)
else:
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_paused():
raise error.TestFail("Vm status is not paused after pm wakeup")
ret = virsh.resume(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
sess = vm.wait_for_login()
if sess.cmd_status("ls pmtest && rm -f pmtest"):
raise error.TestFail("Check managed save failed on guest")
sess.close()
if test_save_restore:
# Run a series of operations to check libvirtd status.
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Wait for vm is started
vm.wait_for_login()
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
# Wait for vm is started
vm.wait_for_login()
# run pmsuspend again
ret = virsh.dompmsuspend(vm_name, suspend_target, **virsh_dargs)
libvirt.check_exit_status(ret)
# save and restore the guest again.
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.destroy(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not libvirtd.is_running():
raise error.TestFail("libvirtd crashed")
if test_suspend_resume:
ret = virsh.suspend(vm_name)
libvirt.check_exit_status(ret, expect_error=True)
if vm.state() != 'pmsuspended':
raise error.TestFail("VM state should be pmsuspended")
ret = virsh.resume(vm_name)
libvirt.check_exit_status(ret, expect_error=True)
if vm.state() != 'pmsuspended':
raise error.TestFail("VM state should be pmsuspended")
finally:
libvirtd.restart()
# Remove the tmp file
if os.path.exists(savefile):
os.remove(savefile)
# Restore VM state
if vm_state == "paused":
vm.resume()
if suspend_target in ['mem', 'hybrid']:
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
else:
if vm.state() == "in shutdown":
vm.wait_for_shutdown()
if vm.is_dead():
vm.start()
# Cleanup
session.close()
if need_mkswap:
vm.cleanup_swap()
finally:
# Destroy the vm.
if vm.is_alive():
vm.destroy()
# Recover xml of vm.
vmxml_backup.sync()
def run(test, params, env):
"""
Test multiple disks attachment.
1.Prepare test environment,destroy or suspend a VM.
2.Prepare disk image.
3.Edit disks xml and start the domain.
4.Perform test operation.
5.Recover test environment.
6.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
def prepare_gluster_disk(disk_img, disk_format):
"""
Setup glusterfs and prepare disk image.
"""
# Get the image path and name from parameters
data_path = data_dir.get_data_dir()
image_name = params.get("image_name")
image_format = params.get("image_format")
image_source = os.path.join(data_path,
image_name + '.' + image_format)
# Setup gluster.
host_ip = libvirt.setup_or_cleanup_gluster(True, vol_name,
brick_path, pool_name)
logging.debug("host ip: %s ", host_ip)
image_info = utils_misc.get_image_info(image_source)
if image_info["format"] == disk_format:
disk_cmd = ("cp -f %s /mnt/%s" % (image_source, disk_img))
else:
# Convert the disk format
disk_cmd = ("qemu-img convert -f %s -O %s %s /mnt/%s" %
(image_info["format"], disk_format, image_source, disk_img))
# Mount the gluster disk and create the image.
utils.run("mount -t glusterfs %s:%s /mnt;"
" %s; chmod a+rw /mnt/%s; umount /mnt"
% (host_ip, vol_name, disk_cmd, disk_img))
return host_ip
def build_disk_xml(disk_img, disk_format, host_ip):
"""
Try to rebuild disk xml
"""
# Delete existed disks first.
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
disks_dev = vmxml.get_devices(device_type="disk")
for disk in disks_dev:
vmxml.del_device(disk)
if default_pool:
disk_xml = Disk(type_name="file")
else:
disk_xml = Disk(type_name="network")
disk_xml.device = "disk"
driver_dict = {"name": "qemu",
"type": disk_format,
"cache": "none"}
if driver_iothread:
driver_dict.update({"iothread": driver_iothread})
disk_xml.driver = driver_dict
disk_xml.target = {"dev": "vda", "bus": "virtio"}
if default_pool:
utils.run("mount -t glusterfs %s:%s %s; setsebool virt_use_fusefs on" %
(host_ip, vol_name, default_pool))
virsh.pool_refresh("default")
source_dict = {"file": "%s/%s" % (default_pool, disk_img)}
disk_xml.source = disk_xml.new_disk_source(
**{"attrs": source_dict})
else:
source_dict = {"protocol": "gluster",
"name": "%s/%s" % (vol_name, disk_img)}
host_dict = {"name": host_ip, "port": "24007"}
if transport:
host_dict.update({"transport": transport})
disk_xml.source = disk_xml.new_disk_source(
**{"attrs": source_dict, "hosts": [host_dict]})
# set domain options
if dom_iothreads:
try:
vmxml.iothreads = int(dom_iothreads)
except ValueError:
# 'iothreads' may not invalid number in negative tests
logging.debug("Can't convert '%s' to integer type"
% dom_iothreads)
# Add the new disk xml.
vmxml.add_device(disk_xml)
vmxml.sync()
def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if nessesary.
if not vm.has_swap():
vm.create_swap_partition()
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
if not utils_misc.wait_for(lambda: vm.state() == "shut off", 30):
raise error.TestFail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
# Prepare guest agent and start guest
try:
vm.prepare_guest_agent()
except (remote.LoginError, virt_vm.VMError), e:
raise error.TestFail("failed to prepare agent")
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
raise error.TestFail("vm is not alive after dompmwakeup")
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
def check_vm_guestagent(session):
# Check if qemu-ga already started automatically
cmd = "rpm -q qemu-guest-agent || yum install -y qemu-guest-agent"
stat_install, output = session.cmd_status_output(cmd, 300)
logging.debug(output)
if stat_install != 0:
raise error.TestError("Fail to install qemu-guest-agent, make"
"sure that you have usable repo in guest")
# Check if qemu-ga already started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga | grep -v grep")
if stat_ps != 0:
session.cmd("service qemu-ga start")
# Check if the qemu-ga really started
stat_ps = session.cmd_status(
"ps aux |grep [q]emu-ga | grep -v grep")
if stat_ps != 0:
raise error.TestError("Fail to run qemu-ga in guest")
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
pm_enabled = params.get("pm_enabled", "not_set")
test_managedsave = "yes" == params.get("test_managedsave", "no")
test_save_restore = "yes" == params.get("test_save_restore", "no")
# A backup of original vm
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
# Expected possible fail patterns.
# Error output should match one of these patterns.
# An empty list mean test should succeed.
fail_pat = []
virsh_dargs = {'debug': True, 'ignore_status': True}
# Setup possible failure patterns
if pm_enabled == 'not_set':
fail_pat.append('not supported')
if pm_enabled == 'no':
fail_pat.append('disabled')
if vm_state == 'paused':
fail_pat.append('not responding')
elif vm_state == 'shutoff':
fail_pat.append('not running')
try:
if vm.is_alive():
vm.destroy()
# Set pm tag in domain's XML if needed.
if pm_enabled == 'not_set':
try:
if vmxml.pm:
del vmxml.pm
except xcepts.LibvirtXMLNotFoundError:
pass
else:
pm_xml = vm_xml.VMPMXML()
if suspend_target == 'mem':
pm_xml.mem_enabled = pm_enabled
elif suspend_target == 'disk':
pm_xml.disk_enabled = pm_enabled
elif suspend_target == 'hybrid':
if 'hybrid_enabled' in dir(pm_xml):
pm_xml.hybrid_enabled = pm_enabled
else:
raise error.TestNAError("PM suspend type 'hybrid' is not "
"supported yet.")
vmxml.pm = pm_xml
vmxml.sync()
vm_xml.VMXML.set_agent_channel(vm_name)
vm.start()
# Create swap partition/file if nessesary.
need_mkswap = False
if suspend_target in ['disk', 'hybrid']:
need_mkswap = not vm.has_swap()
if need_mkswap:
logging.debug("Creating swap partition.")
vm.create_swap_partition()
try:
libvirtd = utils_libvirtd.Libvirtd()
savefile = os.path.join(test.tmpdir, "%s.save" % vm_name)
session = vm.wait_for_login()
check_vm_guestagent(session)
# Touch a file on guest to test managed save command.
if test_managedsave:
session.cmd_status("touch pmtest")
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, debug=True)
if result.exit_status == 0:
if fail_pat:
raise error.TestFail(
"Expected failed with %s, but run succeed"
":\n%s" % (fail_pat, result))
else:
if not fail_pat:
raise error.TestFail(
"Expected success, but run failed:\n%s" % result)
#if not any_pattern_match(fail_pat, result.stderr):
if not any(p in result.stderr for p in fail_pat):
raise error.TestFail("Expected failed with one of %s, but "
"failed with:\n%s" %
(fail_pat, result))
if test_managedsave:
ret = virsh.managedsave(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Dompmwakeup should return false here
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret, True)
ret = virsh.start(vm_name)
libvirt.check_exit_status(ret)
if not vm.is_paused():
raise error.TestFail(
"Vm status is not paused before pm wakeup")
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_paused():
raise error.TestFail(
"Vm status is not paused after pm wakeup")
ret = virsh.resume(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
sess = vm.wait_for_login()
if sess.cmd_status("ls pmtest && rm -f pmtest"):
raise error.TestFail("Check managed save failed on guest")
sess.close()
if test_save_restore:
# Run a series of operations to check libvirtd status.
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
# run pmsuspend again
ret = virsh.dompmsuspend(vm_name, suspend_target,
**virsh_dargs)
libvirt.check_exit_status(ret)
# save and restore the guest again.
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.destroy(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not libvirtd.is_running():
raise error.TestFail("libvirtd crashed")
finally:
libvirtd.restart()
# Remove the tmp file
if os.path.exists(savefile):
os.remove(savefile)
# Restore VM state
if vm_state == "paused":
vm.resume()
if suspend_target in ['mem', 'hybrid']:
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
else:
if vm.state() == "in shutdown":
vm.wait_for_shutdown()
if vm.is_dead():
vm.start()
# Cleanup
session.close()
if need_mkswap:
vm.cleanup_swap()
finally:
# Destroy the vm.
if vm.is_alive():
vm.destroy()
# Recover xml of vm.
vmxml_backup.sync()
def manipulate_domain(vm_name, vm_operation, recover=False):
"""
Operate domain to given state or recover it.
:params vm_name: Name of the VM domain
:params vm_operation: Operation to be performed on VM domain
like save, managedsave, suspend
:params recover: flag to inform whether to set or reset
vm_operation
"""
save_file = os.path.join(data_dir.get_tmp_dir(), vm_name + ".save")
if not recover:
if vm_operation == "save":
save_option = ""
result = virsh.save(vm_name, save_file, save_option,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "managedsave":
managedsave_option = ""
result = virsh.managedsave(vm_name, managedsave_option,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "s3":
suspend_target = "mem"
result = virsh.dompmsuspend(vm_name, suspend_target,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "s4":
suspend_target = "disk"
result = virsh.dompmsuspend(vm_name, suspend_target,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
# Wait domain state change: 'in shutdown' -> 'shut off'
utils_misc.wait_for(lambda: virsh.is_dead(vm_name), 5)
elif vm_operation == "suspend":
result = virsh.suspend(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "reboot":
vm.reboot()
vm_uptime_init = vm.uptime()
else:
logging.debug("No operation for the domain")
else:
if vm_operation == "save":
if os.path.exists(save_file):
result = virsh.restore(save_file, ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
os.remove(save_file)
else:
test.error("No save file for domain restore")
elif vm_operation in ["managedsave", "s4"]:
result = virsh.start(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "s3":
suspend_target = "mem"
result = virsh.dompmwakeup(vm_name, ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "suspend":
result = virsh.resume(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "reboot":
pass
else:
logging.debug("No need recover the domain")
def run(test, params, env):
"""
Test multiple disks attachment.
1.Prepare test environment,destroy or suspend a VM.
2.Prepare disk image.
3.Edit disks xml and start the domain.
4.Perform test operation.
5.Recover test environment.
6.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
def prepare_gluster_disk(disk_img, disk_format):
"""
Setup glusterfs and prepare disk image.
"""
# Get the image path and name from parameters
data_path = data_dir.get_data_dir()
image_name = params.get("image_name")
image_format = params.get("image_format")
image_source = os.path.join(data_path, image_name + '.' + image_format)
# Setup gluster.
host_ip = libvirt.setup_or_cleanup_gluster(True, vol_name, brick_path,
pool_name)
logging.debug("host ip: %s ", host_ip)
image_info = utils_misc.get_image_info(image_source)
if image_info["format"] == disk_format:
disk_cmd = ("cp -f %s /mnt/%s" % (image_source, disk_img))
else:
# Convert the disk format
disk_cmd = (
"qemu-img convert -f %s -O %s %s /mnt/%s" %
(image_info["format"], disk_format, image_source, disk_img))
# Mount the gluster disk and create the image.
utils.run("mount -t glusterfs %s:%s /mnt;"
" %s; chmod a+rw /mnt/%s; umount /mnt" %
(host_ip, vol_name, disk_cmd, disk_img))
return host_ip
def build_disk_xml(disk_img, disk_format, host_ip):
"""
Try to rebuild disk xml
"""
# Delete existed disks first.
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
disks_dev = vmxml.get_devices(device_type="disk")
for disk in disks_dev:
vmxml.del_device(disk)
if default_pool:
disk_xml = Disk(type_name="file")
else:
disk_xml = Disk(type_name="network")
disk_xml.device = "disk"
driver_dict = {"name": "qemu", "type": disk_format, "cache": "none"}
disk_xml.driver = driver_dict
disk_xml.target = {"dev": "vda", "bus": "virtio"}
if default_pool:
utils.run(
"mount -t glusterfs %s:%s %s; setsebool virt_use_fusefs on" %
(host_ip, vol_name, default_pool))
virsh.pool_refresh("default")
source_dict = {"file": "%s/%s" % (default_pool, disk_img)}
disk_xml.source = disk_xml.new_disk_source(
**{"attrs": source_dict})
else:
source_dict = {
"protocol": "gluster",
"name": "%s/%s" % (vol_name, disk_img)
}
host_dict = {"name": host_ip, "port": "24007"}
if transport:
host_dict.update({"transport": transport})
disk_xml.source = disk_xml.new_disk_source(**{
"attrs": source_dict,
"hosts": [host_dict]
})
# Add the new disk xml.
vmxml.add_device(disk_xml)
vmxml.sync()
def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if nessesary.
if not vm.has_swap():
vm.create_swap_partition()
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
if not utils_misc.wait_for(lambda: vm.state() == "shut off", 30):
raise error.TestFail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
# Prepare guest agent and start guest
try:
vm.prepare_guest_agent()
except (remote.LoginError, virt_vm.VMError), e:
raise error.TestFail("failed to prepare agent")
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
raise error.TestFail("vm is not alive after dompmwakeup")
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
pm_enabled = params.get("pm_enabled", "not_set")
pm_enabled_disk = params.get("pm_enabled_disk", "no")
pm_enabled_mem = params.get("pm_enabled_mem", "no")
test_managedsave = "yes" == params.get("test_managedsave", "no")
test_save_restore = "yes" == params.get("test_save_restore", "no")
test_suspend_resume = "yes" == params.get("test_suspend_resume", "no")
pmsuspend_error = 'yes' == params.get("pmsuspend_error", 'no')
pmsuspend_error_msg = params.get("pmsuspend_error_msg")
agent_error_test = 'yes' == params.get("agent_error_test", 'no')
arch = platform.processor()
duration_value = int(params.get("duration", "0"))
# Libvirt acl test related params
uri = params.get("virsh_uri")
unprivileged_user = params.get('unprivileged_user')
if unprivileged_user:
if unprivileged_user.count('EXAMPLE'):
unprivileged_user = '******'
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.")
# A backup of original vm
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
# Expected possible fail patterns.
# Error output should match one of these patterns.
# An empty list mean test should succeed.
fail_pat = []
virsh_dargs = {'debug': True, 'ignore_status': True}
if params.get('setup_libvirt_polkit') == 'yes':
virsh_dargs_copy = virsh_dargs.copy()
virsh_dargs_copy['uri'] = uri
virsh_dargs_copy['unprivileged_user'] = unprivileged_user
if pmsuspend_error:
fail_pat.append('access denied')
# Setup possible failure patterns excluding ppc
if "ppc64" not in arch:
if pm_enabled == 'not_set':
fail_pat.append('not supported')
if pm_enabled == 'no':
fail_pat.append('disabled')
if vm_state == 'paused':
# For older version
fail_pat.append('not responding')
# For newer version
fail_pat.append('not running')
elif vm_state == 'shutoff':
fail_pat.append('not running')
if agent_error_test:
fail_pat.append('not running')
fail_pat.append('agent not available')
if pmsuspend_error_msg:
fail_pat.append(pmsuspend_error_msg)
# RHEL6 or older releases
unsupported_guest_err = 'suspend mode is not supported by the guest'
try:
if vm.is_alive():
vm.destroy()
# Set pm tag in domain's XML if needed.
if "ppc64" not in arch:
if pm_enabled == 'not_set':
try:
if vmxml.pm:
del vmxml.pm
except xcepts.LibvirtXMLNotFoundError:
pass
else:
pm_xml = vm_xml.VMPMXML()
pm_xml.mem_enabled = pm_enabled_mem
pm_xml.disk_enabled = pm_enabled_disk
vmxml.pm = pm_xml
vmxml.sync()
try:
vm.prepare_guest_agent()
except virt_vm.VMStartError as info:
if "not supported" in str(info).lower():
test.cancel(info)
else:
test.error(info)
# Selinux should be enforcing
vm.setenforce(1)
# Create swap partition/file if nessesary.
need_mkswap = False
if suspend_target in ['disk', 'hybrid']:
need_mkswap = not vm.has_swap()
if need_mkswap:
logging.debug("Creating swap partition.")
vm.create_swap_partition()
try:
libvirtd = utils_libvirtd.Libvirtd()
savefile = os.path.join(data_dir.get_tmp_dir(), "%s.save" % vm_name)
session = vm.wait_for_login()
# Touch a file on guest to test managed save command.
if test_managedsave:
session.cmd_status("touch pmtest")
session.close()
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, duration=duration_value, debug=True,
uri=uri,
unprivileged_user=unprivileged_user)
if result.exit_status == 0:
if fail_pat:
test.fail("Expected failed with %s, but run succeed:\n%s" %
(fail_pat, result.stdout))
else:
if unsupported_guest_err in result.stderr:
test.cancel("Unsupported suspend mode:\n%s" % result.stderr)
if not fail_pat:
test.fail("Expected success, but run failed:\n%s" % result.stderr)
#if not any_pattern_match(fail_pat, result.stderr):
if not any(p in result.stderr for p in fail_pat):
test.fail("Expected failed with one of %s, but "
"failed with:\n%s" % (fail_pat, result.stderr))
# If pmsuspend_error is True, just skip below checking, and return directly.
if pmsuspend_error:
return
# check whether the state changes to pmsuspended
if not utils_misc.wait_for(lambda: vm.state() == 'pmsuspended', 30):
test.fail("VM failed to change its state, expected state: "
"pmsuspended, but actual state: %s" % vm.state())
if agent_error_test:
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_result(ret, fail_pat)
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_result(ret, fail_pat)
ret = virsh.domtime(vm_name, **virsh_dargs)
libvirt.check_result(ret, fail_pat)
if test_managedsave:
ret = virsh.managedsave(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Dompmwakeup should return false here
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret, True)
ret = virsh.start(vm_name)
libvirt.check_exit_status(ret)
if not vm.is_paused():
test.fail("Vm status is not paused before pm wakeup")
if params.get('setup_libvirt_polkit') == 'yes':
ret = virsh.dompmwakeup(vm_name, **virsh_dargs_copy)
else:
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_paused():
test.fail("Vm status is not paused after pm wakeup")
ret = virsh.resume(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
sess = vm.wait_for_login()
if sess.cmd_status("ls pmtest && rm -f pmtest"):
test.fail("Check managed save failed on guest")
sess.close()
if test_save_restore:
# Run a series of operations to check libvirtd status.
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Wait for vm is started
vm.wait_for_login()
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
# Wait for vm is started
vm.wait_for_login()
# run pmsuspend again
ret = virsh.dompmsuspend(vm_name, suspend_target, **virsh_dargs)
libvirt.check_exit_status(ret)
# save and restore the guest again.
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.destroy(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not libvirtd.is_running():
test.fail("libvirtd crashed")
if test_suspend_resume:
ret = virsh.suspend(vm_name)
libvirt.check_exit_status(ret, expect_error=True)
if vm.state() != 'pmsuspended':
test.fail("VM state should be pmsuspended")
ret = virsh.resume(vm_name)
libvirt.check_exit_status(ret, expect_error=True)
if vm.state() != 'pmsuspended':
test.fail("VM state should be pmsuspended")
finally:
libvirtd.restart()
# Remove the tmp file
if os.path.exists(savefile):
os.remove(savefile)
# Restore VM state
if vm_state == "paused":
vm.resume()
if suspend_target in ['mem', 'hybrid']:
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
else:
if vm.state() == "in shutdown":
vm.wait_for_shutdown()
if vm.is_dead():
vm.start()
if need_mkswap:
vm.cleanup_swap()
finally:
# Destroy the vm.
if vm.is_alive():
vm.destroy()
# Recover xml of vm.
vmxml_backup.sync()
def run(test, params, env):
"""
Test multiple disks attachment.
1.Prepare test environment,destroy or suspend a VM.
2.Prepare disk image.
3.Edit disks xml and start the domain.
4.Perform test operation.
5.Recover test environment.
6.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
def prepare_gluster_disk(disk_img, disk_format):
"""
Setup glusterfs and prepare disk image.
"""
# Get the image path
image_source = vm.get_first_disk_devices()['source']
# Setup gluster
host_ip = libvirt.setup_or_cleanup_gluster(True, vol_name, brick_path,
pool_name)
logging.debug("host ip: %s ", host_ip)
image_info = utils_misc.get_image_info(image_source)
image_dest = "/mnt/%s" % disk_img
if image_info["format"] == disk_format:
disk_cmd = ("cp -f %s %s" % (image_source, image_dest))
else:
# Convert the disk format
disk_cmd = (
"qemu-img convert -f %s -O %s %s %s" %
(image_info["format"], disk_format, image_source, image_dest))
# Mount the gluster disk and create the image.
process.run("mount -t glusterfs %s:%s /mnt && "
"%s && chmod a+rw /mnt/%s && umount /mnt" %
(host_ip, vol_name, disk_cmd, disk_img),
shell=True)
return host_ip
def build_disk_xml(disk_img, disk_format, host_ip):
"""
Try to rebuild disk xml
"""
# Delete existed disks first.
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
disks_dev = vmxml.get_devices(device_type="disk")
for disk in disks_dev:
vmxml.del_device(disk)
if default_pool:
disk_xml = Disk(type_name="file")
else:
disk_xml = Disk(type_name="network")
disk_xml.device = "disk"
driver_dict = {"name": "qemu", "type": disk_format, "cache": "none"}
if driver_iothread:
driver_dict.update({"iothread": driver_iothread})
disk_xml.driver = driver_dict
disk_xml.target = {"dev": "vda", "bus": "virtio"}
if default_pool:
utils_misc.mount("%s:%s" % (host_ip, vol_name), default_pool,
"glusterfs")
process.run("setsebool virt_use_fusefs on", shell=True)
virsh.pool_refresh("default")
source_dict = {"file": "%s/%s" % (default_pool, disk_img)}
disk_xml.source = disk_xml.new_disk_source(
**{"attrs": source_dict})
else:
source_dict = {
"protocol": "gluster",
"name": "%s/%s" % (vol_name, disk_img)
}
host_dict = [{"name": host_ip, "port": "24007"}]
# If mutiple_hosts is True, attempt to add multiple hosts.
if multiple_hosts:
host_dict.append({
"name": params.get("dummy_host1"),
"port": "24007"
})
host_dict.append({
"name": params.get("dummy_host2"),
"port": "24007"
})
if transport:
host_dict[0]['transport'] = transport
disk_xml.source = disk_xml.new_disk_source(**{
"attrs": source_dict,
"hosts": host_dict
})
# set domain options
if dom_iothreads:
try:
vmxml.iothreads = int(dom_iothreads)
except ValueError:
# 'iothreads' may not invalid number in negative tests
logging.debug("Can't convert '%s' to integer type" %
dom_iothreads)
# Add the new disk xml.
vmxml.add_device(disk_xml)
vmxml.sync()
def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if nessesary.
if not vm.has_swap():
swap_path = os.path.join(test.tmpdir, 'swap.img')
vm.create_swap_partition(swap_path)
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
if not utils_misc.wait_for(lambda: vm.state() == "shut off", 60):
test.fail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
# Prepare guest agent and start guest
try:
vm.prepare_guest_agent()
except (remote.LoginError, virt_vm.VMError), detail:
test.fail("failed to prepare agent:\n%s" % detail)
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
# Check vm state
if not utils_misc.wait_for(lambda: vm.state() == "pmsuspended", 60):
test.fail("vm isn't suspended after S3 operation")
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
test.fail("vm is not alive after dompmwakeup")
def run(test, params, env):
"""
Test multiple disks attachment.
1.Prepare test environment,destroy or suspend a VM.
2.Prepare disk image.
3.Edit disks xml and start the domain.
4.Perform test operation.
5.Recover test environment.
6.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
def prepare_gluster_disk(disk_img, disk_format):
"""
Setup glusterfs and prepare disk image.
"""
# Get the image path
image_source = vm.get_first_disk_devices()['source']
# Setup gluster
host_ip = libvirt.setup_or_cleanup_gluster(True, vol_name,
brick_path, pool_name)
logging.debug("host ip: %s ", host_ip)
image_info = utils_misc.get_image_info(image_source)
image_dest = "/mnt/%s" % disk_img
if image_info["format"] == disk_format:
disk_cmd = ("cp -f %s %s" % (image_source, image_dest))
else:
# Convert the disk format
disk_cmd = ("qemu-img convert -f %s -O %s %s %s" %
(image_info["format"], disk_format,
image_source, image_dest))
# Mount the gluster disk and create the image.
process.run("mount -t glusterfs %s:%s /mnt && "
"%s && chmod a+rw /mnt/%s && umount /mnt"
% (host_ip, vol_name, disk_cmd, disk_img),
shell=True)
return host_ip
def build_disk_xml(disk_img, disk_format, host_ip):
"""
Try to rebuild disk xml
"""
if default_pool:
disk_xml = Disk(type_name="file")
else:
disk_xml = Disk(type_name="network")
disk_xml.device = "disk"
driver_dict = {"name": "qemu",
"type": disk_format,
"cache": "none"}
if driver_iothread:
driver_dict.update({"iothread": driver_iothread})
disk_xml.driver = driver_dict
disk_xml.target = {"dev": "vdb", "bus": "virtio"}
if default_pool:
utils_misc.mount("%s:%s" % (host_ip, vol_name),
default_pool, "glusterfs")
process.run("setsebool virt_use_fusefs on", shell=True)
source_dict = {"file": "%s/%s" % (default_pool, disk_img)}
disk_xml.source = disk_xml.new_disk_source(
**{"attrs": source_dict})
else:
source_dict = {"protocol": "gluster",
"name": "%s/%s" % (vol_name, disk_img)}
host_dict = [{"name": host_ip, "port": "24007"}]
# If mutiple_hosts is True, attempt to add multiple hosts.
if multiple_hosts:
host_dict.append({"name": params.get("dummy_host1"), "port": "24007"})
host_dict.append({"name": params.get("dummy_host2"), "port": "24007"})
if transport:
host_dict[0]['transport'] = transport
disk_xml.source = disk_xml.new_disk_source(
**{"attrs": source_dict, "hosts": host_dict})
return disk_xml
def test_pmsuspend(vm_name):
"""
Test pmsuspend command.
"""
if vm.is_dead():
vm.start()
vm.wait_for_login()
# Create swap partition if nessesary.
if not vm.has_swap():
swap_path = os.path.join(test.tmpdir, 'swap.img')
vm.create_swap_partition(swap_path)
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_exit_status(ret)
# wait for vm to shutdown
if not utils_misc.wait_for(lambda: vm.state() == "shut off", 60):
test.fail("vm is still alive after S4 operation")
# Wait for vm and qemu-ga service to start
vm.start()
# Prepare guest agent and start guest
try:
vm.prepare_guest_agent()
except (remote.LoginError, virt_vm.VMError), detail:
test.fail("failed to prepare agent:\n%s" % detail)
#TODO This step may hang for rhel6 guest
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_exit_status(ret)
# Check vm state
if not utils_misc.wait_for(lambda: vm.state() == "pmsuspended", 60):
test.fail("vm isn't suspended after S3 operation")
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_alive():
test.fail("vm is not alive after dompmwakeup")
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
def check_vm_guestagent(session):
# Check if qemu-ga already started automatically
cmd = "rpm -q qemu-guest-agent || yum install -y qemu-guest-agent"
stat_install, output = session.cmd_status_output(cmd, 300)
logging.debug(output)
if stat_install != 0:
raise error.TestError("Fail to install qemu-guest-agent, make"
"sure that you have usable repo in guest")
# Check if qemu-ga already started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
session.cmd("qemu-ga -d")
# Check if the qemu-ga really started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
raise error.TestError("Fail to run qemu-ga in guest")
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
pm_enabled = params.get("pm_enabled", "not_set")
# A backup of original vm
vm_xml = VMXML.new_from_inactive_dumpxml(vm_name)
vm_xml_backup = vm_xml.copy()
# Expected possible fail patterns.
# Error output should match one of these patterns.
# An empty list mean test should succeed.
fail_pat = []
# Setup possible failure patterns
if pm_enabled == 'not_set':
fail_pat.append('not supported')
if pm_enabled == 'no':
fail_pat.append('disabled')
if vm_state == 'paused':
fail_pat.append('not responding')
elif vm_state == 'shutoff':
fail_pat.append('not running')
try:
if vm.is_alive():
vm.destroy()
# Set pm tag in domain's XML if needed.
if pm_enabled == 'not_set':
if 'pm' in vm_xml:
del vm_xml.pm
else:
pm_xml = VMPMXML()
if suspend_target == 'mem':
pm_xml.mem_enabled = pm_enabled
elif suspend_target == 'disk':
pm_xml.disk_enabled = pm_enabled
elif suspend_target == 'hybrid':
if 'hybrid_enabled' in dir(pm_xml):
pm_xml.hybrid_enabled = pm_enabled
else:
raise error.TestNAError("PM suspend type 'hybrid' is not "
"supported yet.")
vm_xml.pm = pm_xml
vm_xml.sync()
VMXML.set_agent_channel(vm_name)
vm.start()
# Create swap partition/file if nessesary.
need_mkswap = False
if suspend_target in ['disk', 'hybrid']:
need_mkswap = not vm.has_swap()
if need_mkswap:
logging.debug("Creating swap partition.")
vm.create_swap_partition()
session = vm.wait_for_login()
try:
check_vm_guestagent(session)
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, debug=True)
finally:
# Restore VM state
if vm_state == "paused":
vm.resume()
if suspend_target in ['mem', 'hybrid']:
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
else:
if vm.state() == "in shutdown":
vm.wait_for_shutdown()
if vm.is_dead():
vm.start()
# Cleanup
session.close()
if need_mkswap:
vm.cleanup_swap()
if result.exit_status == 0:
if fail_pat:
raise error.TestFail("Expected failed with %s, but run succeed"
":\n%s" % (fail_pat, result))
else:
if not fail_pat:
raise error.TestFail("Expected success, but run failed:\n%s"
% result)
#if not any_pattern_match(fail_pat, result.stderr):
if not any(p in result.stderr for p in fail_pat):
raise error.TestFail("Expected failed with one of %s, but "
"failed with:\n%s" % (fail_pat, result))
finally:
# Recover xml of vm.
vm_xml_backup.sync()
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
pm_enabled = params.get("pm_enabled", "not_set")
pm_enabled_disk = params.get("pm_enabled_disk", "no")
pm_enabled_mem = params.get("pm_enabled_mem", "no")
test_managedsave = "yes" == params.get("test_managedsave", "no")
test_save_restore = "yes" == params.get("test_save_restore", "no")
test_suspend_resume = "yes" == params.get("test_suspend_resume", "no")
pmsuspend_error = 'yes' == params.get("pmsuspend_error", 'no')
pmsuspend_error_msg = params.get("pmsuspend_error_msg")
agent_error_test = 'yes' == params.get("agent_error_test", 'no')
arch = platform.processor()
# Libvirt acl test related params
uri = params.get("virsh_uri")
unprivileged_user = params.get('unprivileged_user')
if unprivileged_user:
if unprivileged_user.count('EXAMPLE'):
unprivileged_user = '******'
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.")
# A backup of original vm
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
# Expected possible fail patterns.
# Error output should match one of these patterns.
# An empty list mean test should succeed.
fail_pat = []
virsh_dargs = {'debug': True, 'ignore_status': True}
if params.get('setup_libvirt_polkit') == 'yes':
virsh_dargs_copy = virsh_dargs.copy()
virsh_dargs_copy['uri'] = uri
virsh_dargs_copy['unprivileged_user'] = unprivileged_user
if pmsuspend_error:
fail_pat.append('access denied')
# Setup possible failure patterns excluding ppc
if "ppc64" not in arch:
if pm_enabled == 'not_set':
fail_pat.append('not supported')
if pm_enabled == 'no':
fail_pat.append('disabled')
if vm_state == 'paused':
# For older version
fail_pat.append('not responding')
# For newer version
fail_pat.append('not running')
elif vm_state == 'shutoff':
fail_pat.append('not running')
if agent_error_test:
fail_pat.append('not running')
fail_pat.append('agent not available')
if pmsuspend_error_msg:
fail_pat.append(pmsuspend_error_msg)
# RHEL6 or older releases
unsupported_guest_err = 'suspend mode is not supported by the guest'
try:
if vm.is_alive():
vm.destroy()
# Set pm tag in domain's XML if needed.
if "ppc64" not in arch:
if pm_enabled == 'not_set':
try:
if vmxml.pm:
del vmxml.pm
except xcepts.LibvirtXMLNotFoundError:
pass
else:
pm_xml = vm_xml.VMPMXML()
pm_xml.mem_enabled = pm_enabled_mem
pm_xml.disk_enabled = pm_enabled_disk
vmxml.pm = pm_xml
vmxml.sync()
try:
vm.prepare_guest_agent()
except virt_vm.VMStartError as info:
if "not supported" in str(info).lower():
test.cancel(info)
else:
test.error(info)
# Selinux should be enforcing
vm.setenforce(1)
# Create swap partition/file if nessesary.
need_mkswap = False
if suspend_target in ['disk', 'hybrid']:
need_mkswap = not vm.has_swap()
if need_mkswap:
logging.debug("Creating swap partition.")
vm.create_swap_partition()
try:
libvirtd = utils_libvirtd.Libvirtd()
savefile = os.path.join(data_dir.get_tmp_dir(),
"%s.save" % vm_name)
session = vm.wait_for_login()
# Touch a file on guest to test managed save command.
if test_managedsave:
session.cmd_status("touch pmtest")
session.close()
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name,
suspend_target,
debug=True,
uri=uri,
unprivileged_user=unprivileged_user)
if result.exit_status == 0:
if fail_pat:
test.fail("Expected failed with %s, but run succeed:\n%s" %
(fail_pat, result.stdout))
else:
if unsupported_guest_err in result.stderr:
test.cancel("Unsupported suspend mode:\n%s" %
result.stderr)
if not fail_pat:
test.fail("Expected success, but run failed:\n%s" %
result.stderr)
#if not any_pattern_match(fail_pat, result.stderr):
if not any(p in result.stderr for p in fail_pat):
test.fail("Expected failed with one of %s, but "
"failed with:\n%s" % (fail_pat, result.stderr))
# check whether the state changes to pmsuspended
if not utils_misc.wait_for(lambda: vm.state() == 'pmsuspended',
30):
test.fail("VM failed to change its state, expected state: "
"pmsuspended, but actual state: %s" % vm.state())
if agent_error_test:
ret = virsh.dompmsuspend(vm_name, "mem", **virsh_dargs)
libvirt.check_result(ret, fail_pat)
ret = virsh.dompmsuspend(vm_name, "disk", **virsh_dargs)
libvirt.check_result(ret, fail_pat)
ret = virsh.domtime(vm_name, **virsh_dargs)
libvirt.check_result(ret, fail_pat)
if test_managedsave:
ret = virsh.managedsave(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Dompmwakeup should return false here
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret, True)
ret = virsh.start(vm_name)
libvirt.check_exit_status(ret)
if not vm.is_paused():
test.fail("Vm status is not paused before pm wakeup")
if params.get('setup_libvirt_polkit') == 'yes':
ret = virsh.dompmwakeup(vm_name, **virsh_dargs_copy)
else:
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not vm.is_paused():
test.fail("Vm status is not paused after pm wakeup")
ret = virsh.resume(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
sess = vm.wait_for_login()
if sess.cmd_status("ls pmtest && rm -f pmtest"):
test.fail("Check managed save failed on guest")
sess.close()
if test_save_restore:
# Run a series of operations to check libvirtd status.
ret = virsh.dompmwakeup(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
# Wait for vm is started
vm.wait_for_login()
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
# Wait for vm is started
vm.wait_for_login()
# run pmsuspend again
ret = virsh.dompmsuspend(vm_name, suspend_target,
**virsh_dargs)
libvirt.check_exit_status(ret)
# save and restore the guest again.
ret = virsh.save(vm_name, savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.restore(savefile, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.destroy(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
if not libvirtd.is_running():
test.fail("libvirtd crashed")
if test_suspend_resume:
ret = virsh.suspend(vm_name)
libvirt.check_exit_status(ret, expect_error=True)
if vm.state() != 'pmsuspended':
test.fail("VM state should be pmsuspended")
ret = virsh.resume(vm_name)
libvirt.check_exit_status(ret, expect_error=True)
if vm.state() != 'pmsuspended':
test.fail("VM state should be pmsuspended")
finally:
libvirtd.restart()
# Remove the tmp file
if os.path.exists(savefile):
os.remove(savefile)
# Restore VM state
if vm_state == "paused":
vm.resume()
if suspend_target in ['mem', 'hybrid']:
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
else:
if vm.state() == "in shutdown":
vm.wait_for_shutdown()
if vm.is_dead():
vm.start()
if need_mkswap:
vm.cleanup_swap()
finally:
# Destroy the vm.
if vm.is_alive():
vm.destroy()
# Recover xml of vm.
vmxml_backup.sync()
def manipulate_domain(vm_name, vm_operation, recover=False):
"""
Operate domain to given state or recover it.
:params vm_name: Name of the VM domain
:params vm_operation: Operation to be performed on VM domain
like save, managedsave, suspend
:params recover: flag to inform whether to set or reset
vm_operation
"""
save_file = os.path.join(data_dir.get_tmp_dir(), vm_name + ".save")
if not recover:
if vm_operation == "save":
save_option = ""
result = virsh.save(vm_name, save_file, save_option,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "managedsave":
managedsave_option = ""
result = virsh.managedsave(vm_name, managedsave_option,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "s3":
suspend_target = "mem"
result = virsh.dompmsuspend(vm_name, suspend_target,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "s4":
suspend_target = "disk"
result = virsh.dompmsuspend(vm_name, suspend_target,
ignore_status=True, debug=True)
libvirt.check_exit_status(result)
# Wait domain state change: 'in shutdown' -> 'shut off'
utils_misc.wait_for(lambda: virsh.is_dead(vm_name), 5)
elif vm_operation == "suspend":
result = virsh.suspend(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "reboot":
vm.reboot()
else:
logging.debug("No operation for the domain")
else:
if vm_operation == "save":
if os.path.exists(save_file):
result = virsh.restore(save_file, ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
os.remove(save_file)
else:
test.error("No save file for domain restore")
elif vm_operation in ["managedsave", "s4"]:
result = virsh.start(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "s3":
suspend_target = "mem"
result = virsh.dompmwakeup(vm_name, ignore_status=True,
debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "suspend":
result = virsh.resume(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
elif vm_operation == "reboot":
pass
else:
logging.debug("No need recover the domain")
def run(test, params, env):
"""
Test command: virsh dompmsuspend <domain> <target>
The command suspends a running domain using guest OS's power management.
"""
def check_vm_guestagent(session):
# Check if qemu-ga already started automatically
cmd = "rpm -q qemu-guest-agent || yum install -y qemu-guest-agent"
stat_install = session.cmd_status(cmd, 300)
if stat_install != 0:
raise error.TestFail("Fail to install qemu-guest-agent, make"
"sure that you have usable repo in guest")
# Check if qemu-ga already started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
session.cmd("qemu-ga -d")
# Check if the qemu-ga really started
stat_ps = session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
raise error.TestFail("Fail to run qemu-ga in guest")
def check_pm_utils(session):
# Check if pm-utils is present in vm
cmd = "rpm -q pm-utils || yum install -y pm-utils"
stat_install = session.cmd_status(cmd, 300)
if stat_install != 0:
raise error.TestFail("Fail to install pm-utils, make"
"sure that you have usable repo in guest")
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
vm_state = params.get("vm_state", "running")
suspend_target = params.get("pm_suspend_target", "mem")
status_error = "yes" == params.get("status_error", "yes")
virsh_dargs = {'debug': True}
# A backup of original vm
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
logging.debug("original xml is %s", vmxml_backup)
try:
if vm.is_alive():
vm.destroy()
libvirt_xml.VMXML.set_agent_channel(vm_name)
vm.start()
session = vm.wait_for_login()
check_vm_guestagent(session)
check_pm_utils(session)
session.close()
# Set vm state
if vm_state == "paused":
vm.pause()
elif vm_state == "shutoff":
vm.destroy()
# Run test case
result = virsh.dompmsuspend(vm_name, suspend_target, **virsh_dargs)
status = result.exit_status
err = result.stderr.strip()
# Check status_error
if status_error:
if status == 0 or err == "":
raise error.TestFail("Expect fail, but run successfully!")
else:
if status != 0 or err != "":
raise error.TestFail("Run failed with right command")
finally:
# cleanup
if vm_state == "paused":
vm.resume()
if suspend_target == "mem" or suspend_target == "hybrid":
if vm.state() == "pmsuspended":
virsh.dompmwakeup(vm_name)
# Recover xml of vm.
vmxml_backup.sync()
