def run(test, params, env):
"""
Test auto_dump_* parameter in qemu.conf.
1) Change auto_dump_* in qemu.conf;
2) Restart libvirt daemon;
4) Check if file open state changed accordingly.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
bypass_cache = params.get("auto_dump_bypass_cache", "not_set")
panic_model = params.get("panic_model")
addr_type = params.get("addr_type")
addr_iobase = params.get("addr_iobase")
vm = env.get_vm(vm_name)
if panic_model and not libvirt_version.version_compare(1, 3, 1):
test.cancel("panic device model attribute not supported"
"on current libvirt version")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
backup_xml = vmxml.copy()
config = utils_config.LibvirtQemuConfig()
libvirtd = utils_libvirtd.Libvirtd()
dump_path = os.path.join(data_dir.get_tmp_dir(), "dump")
try:
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Set panic device
panic_dev = Panic()
if panic_model:
panic_dev.model = panic_model
if addr_type:
panic_dev.addr_type = addr_type
if addr_iobase:
panic_dev.addr_iobase = addr_iobase
vmxml.add_device(panic_dev)
vmxml.on_crash = "coredump-restart"
vmxml.sync()
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
if not vmxml.xmltreefile.find('devices').findall('panic'):
test.cancel("No 'panic' device in the guest, maybe "
"your libvirt version doesn't support it")
# Setup qemu.conf
if bypass_cache == 'not_set':
del config.auto_dump_bypass_cache
else:
config.auto_dump_bypass_cache = bypass_cache
config.auto_dump_path = dump_path
if os.path.exists(dump_path):
os.rmdir(dump_path)
os.mkdir(dump_path)
# Restart libvirtd to make change valid.
libvirtd.restart()
# Restart VM to create a new qemu process.
if vm.is_alive():
vm.destroy()
vm.start()
session = vm.wait_for_login()
# Stop kdump in the guest
session.cmd("service kdump stop", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
try:
# Crash the guest
session.cmd("echo c > /proc/sysrq-trigger", timeout=1)
except ShellTimeoutError:
pass
session.close()
iohelper_pid = process.run('pgrep -f %s' %
dump_path).stdout_text.strip()
logging.error('%s', iohelper_pid)
# Get file open flags containing bypass cache information.
with open('/proc/%s/fdinfo/1' % iohelper_pid, 'r') as fdinfo:
flags = 0
for line in fdinfo.readlines():
if line.startswith('flags:'):
flags = int(line.split()[1], 8)
logging.debug('file open flag is: %o', flags)
with open('/proc/%s/cmdline' % iohelper_pid) as cmdinfo:
cmdline = cmdinfo.readline()
logging.debug(cmdline.split())
# Kill core dump process to speed up test
process.run('kill %s' % iohelper_pid)
arch = platform.machine()
if arch == 'x86_64':
# Check if bypass cache flag set or unset accordingly.
if (flags & 0o40000) and bypass_cache != '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
if not (flags & 0o40000) and bypass_cache == '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
elif arch == 'ppc64le':
# Check if bypass cache flag set or unset accordingly.
if (flags & 0o400000) and bypass_cache != '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
if not (flags & 0o400000) and bypass_cache == '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
else:
test.cancel("Unknown Arch. Do the necessary changes to" "support")
finally:
backup_xml.sync()
config.restore()
libvirtd.restart()
if os.path.exists(dump_path):
shutil.rmtree(dump_path)
def run(test, params, env):
"""
Test auto_dump_* parameter in qemu.conf.
1) Change auto_dump_* in qemu.conf;
2) Restart libvirt daemon;
4) Check if file open state changed accordingly.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
bypass_cache = params.get("auto_dump_bypass_cache", "not_set")
panic_model = params.get("panic_model")
addr_type = params.get("addr_type")
addr_iobase = params.get("addr_iobase")
vm = env.get_vm(vm_name)
target_flags = int(params.get('target_flags', '0o40000'), 8)
if panic_model and not libvirt_version.version_compare(1, 3, 1):
test.cancel("panic device model attribute not supported"
"on current libvirt version")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
backup_xml = vmxml.copy()
config = utils_config.LibvirtQemuConfig()
libvirtd = utils_libvirtd.Libvirtd()
dump_path = os.path.join(data_dir.get_tmp_dir(), "dump")
try:
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Set panic device
panic_dev = Panic()
if panic_model:
panic_dev.model = panic_model
if addr_type:
panic_dev.addr_type = addr_type
if addr_iobase:
panic_dev.addr_iobase = addr_iobase
vmxml.add_device(panic_dev)
vmxml.on_crash = "coredump-restart"
vmxml.sync()
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
if not vmxml.xmltreefile.find('devices').findall('panic'):
test.cancel("No 'panic' device in the guest, maybe "
"your libvirt version doesn't support it")
# Setup qemu.conf
if bypass_cache == 'not_set':
del config.auto_dump_bypass_cache
else:
config.auto_dump_bypass_cache = bypass_cache
config.auto_dump_path = dump_path
if os.path.exists(dump_path):
os.rmdir(dump_path)
os.mkdir(dump_path)
# Restart libvirtd to make change valid.
libvirtd.restart()
# Restart VM to create a new qemu process.
if vm.is_alive():
vm.destroy()
vm.start()
def get_flags(dump_path, result_dict):
cmd = "lsof -w %s/* |awk '/libvirt_i/{print $2}'" % dump_path
start_time = time.time()
while (time.time() - start_time) < 30:
ret = process.run(cmd, shell=True, ignore_status=True)
status, iohelper_pid = ret.exit_status, ret.stdout_text.strip()
if status:
time.sleep(0.1)
continue
if not len(iohelper_pid):
continue
else:
logging.info('pid: %s', iohelper_pid)
result_dict['pid'] = iohelper_pid
break
# Get file open flags containing bypass cache information.
with open('/proc/%s/fdinfo/1' % iohelper_pid, 'r') as fdinfo:
flags = 0
for line in fdinfo.readlines():
if line.startswith('flags:'):
flags = int(line.split()[1], 8)
logging.debug('file open flag is: %o', flags)
result_dict['flags'] = flags
with open('/proc/%s/cmdline' % iohelper_pid) as cmdinfo:
cmdline = cmdinfo.readline()
logging.debug(cmdline.split())
session = vm.wait_for_login()
result_dict = multiprocessing.Manager().dict()
child_process = multiprocessing.Process(target=get_flags,
args=(dump_path, result_dict))
child_process.start()
# Stop kdump in the guest
session.cmd("service kdump stop", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
try:
# Crash the guest
session.cmd("echo c > /proc/sysrq-trigger", timeout=1)
except ShellTimeoutError:
pass
session.close()
child_process.join(10)
if child_process.is_alive():
child_process.kill()
flags = result_dict['flags']
iohelper_pid = result_dict['pid']
# Kill core dump process to speed up test
try:
process.run('kill %s' % iohelper_pid)
except process.CmdError as detail:
logging.debug("Dump already done:\n%s", detail)
arch = platform.machine()
if arch in ['x86_64', 'ppc64le', 's390x']:
# Check if bypass cache flag set or unset accordingly.
cond1 = (flags & target_flags) and bypass_cache != '1'
cond2 = not (flags & target_flags) and bypass_cache == '1'
if cond1 or cond2:
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
else:
test.cancel("Unknown Arch. Do the necessary changes to" " support")
finally:
backup_xml.sync()
config.restore()
libvirtd.restart()
if os.path.exists(dump_path):
shutil.rmtree(dump_path)
def trigger_events(dom, events_list=[]):
"""
Trigger various events in events_list
:param dom: the vm objects corresponding to the domain
:return: the expected output that virsh event command prints out
"""
expected_events_list = []
save_path = os.path.join(tmpdir, "%s_event.save" % dom.name)
print(dom.name)
xmlfile = dom.backup_xml()
new_disk = os.path.join(tmpdir, "%s_new_disk.img" % dom.name)
dest_path = os.path.join(data_dir.get_data_dir(), "copy")
try:
for event in events_list:
logging.debug("Current event is: %s", event)
if event in ['start', 'restore', 'create', 'edit', 'define',
'undefine', 'crash', 'device-removal-failed',
'watchdog', 'io-error']:
if dom.is_alive():
dom.destroy()
if event in ['create', 'define']:
dom.undefine()
else:
if not dom.is_alive():
dom.start()
dom.wait_for_login().close()
if event == "resume":
dom.pause()
if event == "undefine":
virsh.undefine(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Undefined Removed")
elif event == "create":
virsh.create(xmlfile, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
expected_events_list.append("'lifecycle' for %s:"
" Started Booted")
elif event == "destroy":
virsh.destroy(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Stopped Destroyed")
elif event == "define":
virsh.define(xmlfile, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Defined Added")
elif event == "start":
virsh.start(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
expected_events_list.append("'lifecycle' for %s:"
" Started Booted")
dom.wait_for_login().close()
elif event == "suspend":
virsh.suspend(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
if not libvirt_version.version_compare(5, 3, 0):
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
elif event == "resume":
virsh.resume(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
elif event == "save":
virsh.save(dom.name, save_path, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
expected_events_list.append("'lifecycle' for %s:"
" Stopped Saved")
elif event == "restore":
if not os.path.exists(save_path):
logging.error("%s not exist", save_path)
else:
virsh.restore(save_path, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Started Restored")
expected_events_list.append("'lifecycle' for %s:"
" Resumed Snapshot")
elif event == "edit":
#Check whether 'description' element exists.
domxml = virsh.dumpxml(dom.name).stdout.strip()
find_desc = parseString(domxml).getElementsByTagName("description")
if find_desc == []:
#If not exists, add one for it.
logging.info("Adding <description> to guest")
virsh.desc(dom.name, "--config", "Added desc for testvm", **virsh_dargs)
#The edit operation is to delete 'description' element.
edit_cmd = [r":g/<description.*<\/description>/d"]
utlv.exec_virsh_edit(dom.name, edit_cmd)
expected_events_list.append("'lifecycle' for %s:"
" Defined Updated")
elif event == "shutdown":
if signal_name is None:
virsh.shutdown(dom.name, **virsh_dargs)
# Wait a few seconds for shutdown finish
time.sleep(3)
if utils_misc.compare_qemu_version(2, 9, 0):
#Shutdown reason distinguished from qemu_2.9.0-9
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished after guest request")
else:
os.kill(dom.get_pid(), getattr(signal, signal_name))
if utils_misc.compare_qemu_version(2, 9, 0):
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished after host request")
if not utils_misc.compare_qemu_version(2, 9, 0):
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished")
wait_for_shutoff(dom)
expected_events_list.append("'lifecycle' for %s:"
" Stopped Shutdown")
elif event == "crash":
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Set panic device
panic_dev = Panic()
panic_dev.model = panic_model
panic_dev.addr_type = addr_type
panic_dev.addr_iobase = addr_iobase
vmxml.add_device(panic_dev)
vmxml.on_crash = "coredump-restart"
vmxml.sync()
logging.info("Guest xml now is: %s", vmxml)
dom.start()
session = dom.wait_for_login()
# Stop kdump in the guest
session.cmd("systemctl stop kdump", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
try:
# Crash the guest
session.cmd("echo c > /proc/sysrq-trigger", timeout=90)
except (ShellTimeoutError, ShellProcessTerminatedError) as details:
logging.info(details)
session.close()
expected_events_list.append("'lifecycle' for %s:"
" Crashed Panicked")
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
elif event == "reset":
virsh.reset(dom.name, **virsh_dargs)
expected_events_list.append("'reboot' for %s")
elif event == "vcpupin":
virsh.vcpupin(dom.name, '0', '0', **virsh_dargs)
expected_events_list.append("'tunable' for %s:"
"\n\tcputune.vcpupin0: 0")
elif event == "emulatorpin":
virsh.emulatorpin(dom.name, '0', **virsh_dargs)
expected_events_list.append("'tunable' for %s:"
"\n\tcputune.emulatorpin: 0")
elif event == "setmem":
mem_size = int(params.get("mem_size", 512000))
virsh.setmem(dom.name, mem_size, **virsh_dargs)
expected_events_list.append("'balloon-change' for %s:")
elif event == "device-added-removed":
add_disk(dom.name, new_disk, 'vdb', '')
expected_events_list.append("'device-added' for %s:"
" virtio-disk1")
virsh.detach_disk(dom.name, 'vdb', **virsh_dargs)
expected_events_list.append("'device-removed' for %s:"
" virtio-disk1")
iface_xml_obj = create_iface_xml()
iface_xml_obj.xmltreefile.write()
virsh.detach_device(dom.name, iface_xml_obj.xml, **virsh_dargs)
expected_events_list.append("'device-removed' for %s:"
" net0")
time.sleep(2)
virsh.attach_device(dom.name, iface_xml_obj.xml, **virsh_dargs)
expected_events_list.append("'device-added' for %s:"
" net0")
elif event == "block-threshold":
add_disk(dom.name, new_disk, 'vdb', '', format=disk_format)
logging.debug(process.run('qemu-img info %s -U' % new_disk))
virsh.domblkthreshold(vm_name, 'vdb', '100M')
session = dom.wait_for_login()
session.cmd("mkfs.ext4 /dev/vdb && mount /dev/vdb /mnt && ls /mnt && "
"dd if=/dev/urandom of=/mnt/bigfile bs=1M count=300 && sync")
time.sleep(5)
session.close()
expected_events_list.append("'block-threshold' for %s:"
" dev: vdb(%s) 104857600 29368320")
virsh.detach_disk(dom.name, 'vdb', **virsh_dargs)
elif event == "change-media":
target_device = "hdc"
device_target_bus = params.get("device_target_bus", "ide")
disk_blk = vm_xml.VMXML.get_disk_blk(dom.name)
logging.info("disk_blk %s", disk_blk)
if target_device not in disk_blk:
logging.info("Adding cdrom to guest")
if dom.is_alive():
dom.destroy()
add_disk(dom.name, new_disk, target_device,
("--type cdrom --sourcetype file --driver qemu " +
"--config --targetbus %s" % device_target_bus))
dom.start()
all_options = new_disk + " --insert"
virsh.change_media(dom.name, target_device,
all_options, **virsh_dargs)
expected_events_list.append("'tray-change' for %s disk" + " .*%s.*:" % device_target_bus +
" opened")
expected_events_list.append("'tray-change' for %s disk" + " .*%s.*:" % device_target_bus +
" closed")
all_options = new_disk + " --eject"
virsh.change_media(dom.name, target_device,
all_options, **virsh_dargs)
expected_events_list.append("'tray-change' for %s disk" + " .*%s.*:" % device_target_bus +
" opened")
elif event == "hwclock":
session = dom.wait_for_login()
try:
session.cmd("hwclock --systohc", timeout=60)
except (ShellTimeoutError, ShellProcessTerminatedError) as details:
logging.info(details)
session.close()
expected_events_list.append("'rtc-change' for %s:")
elif event == "metadata_set":
metadata_uri = params.get("metadata_uri")
metadata_key = params.get("metadata_key")
metadata_value = params.get("metadata_value")
virsh.metadata(dom.name,
metadata_uri,
options="",
key=metadata_key,
new_metadata=metadata_value,
**virsh_dargs)
expected_events_list.append("'metadata-change' for %s: "
"element http://app.org/")
elif event == "metadata_edit":
metadata_uri = "http://herp.derp/"
metadata_key = "herp"
metadata_value = "<derp xmlns:foobar='http://foo.bar/'>foo<bar></bar></derp>"
virsh_cmd = r"virsh metadata %s --uri %s --key %s %s"
virsh_cmd = virsh_cmd % (dom.name, metadata_uri,
metadata_key, "--edit")
session = aexpect.ShellSession("sudo -s")
logging.info("Running command: %s", virsh_cmd)
try:
session.sendline(virsh_cmd)
session.sendline(r":insert")
session.sendline(metadata_value)
session.sendline(".")
session.send('ZZ')
remote.handle_prompts(session, None, None, r"[\#\$]\s*$",
debug=True, timeout=60)
except Exception as e:
test.error("Error occured: %s" % e)
session.close()
# Check metadata after edit
virsh.metadata(dom.name,
metadata_uri,
options="",
key=metadata_key,
**virsh_dargs)
expected_events_list.append("'metadata-change' for %s: "
"element http://app.org/")
elif event == "metadata_remove":
virsh.metadata(dom.name,
metadata_uri,
options="--remove",
key=metadata_key,
**virsh_dargs)
expected_events_list.append("'metadata-change' for %s: "
"element http://app.org/")
elif event == "blockcommit":
disk_path = dom.get_blk_devices()['vda']['source']
virsh.snapshot_create_as(dom.name, "s1 --disk-only --no-metadata", **virsh_dargs)
snapshot_path = dom.get_blk_devices()['vda']['source']
virsh.blockcommit(dom.name, "vda", "--active --pivot", **virsh_dargs)
expected_events_list.append("'block-job' for %s: "
"Active Block Commit for " + "%s" % snapshot_path + " ready")
expected_events_list.append("'block-job-2' for %s: "
"Active Block Commit for vda ready")
expected_events_list.append("'block-job' for %s: "
"Active Block Commit for " + "%s" % disk_path + " completed")
expected_events_list.append("'block-job-2' for %s: "
"Active Block Commit for vda completed")
os.unlink(snapshot_path)
elif event == "blockcopy":
disk_path = dom.get_blk_devices()['vda']['source']
dom.undefine()
virsh.blockcopy(dom.name, "vda", dest_path, "--pivot", **virsh_dargs)
expected_events_list.append("'block-job' for %s: "
"Block Copy for " + "%s" % disk_path + " ready")
expected_events_list.append("'block-job-2' for %s: "
"Block Copy for vda ready")
expected_events_list.append("'block-job' for %s: "
"Block Copy for " + "%s" % dest_path + " completed")
expected_events_list.append("'block-job-2' for %s: "
"Block Copy for vda completed")
elif event == "detach-dimm":
prepare_vmxml_mem(vmxml)
tg_size = params.get("dimm_size")
tg_sizeunit = params.get("dimm_unit")
dimm_xml = utils_hotplug.create_mem_xml(tg_size, None, None, tg_sizeunit)
virsh.attach_device(dom.name, dimm_xml.xml,
flagstr="--config", **virsh_dargs)
vmxml_dimm = vm_xml.VMXML.new_from_dumpxml(dom.name)
logging.debug("Current vmxml with plugged dimm dev is %s\n" % vmxml_dimm)
virsh.start(dom.name, **virsh_dargs)
dom.wait_for_login().close()
result = virsh.detach_device(dom.name, dimm_xml.xml, debug=True, ignore_status=True)
expected_fails = params.get("expected_fails")
utlv.check_result(result, expected_fails)
vmxml_live = vm_xml.VMXML.new_from_dumpxml(dom.name)
logging.debug("Current vmxml after hot-unplug dimm is %s\n" % vmxml_live)
expected_events_list.append("'device-removal-failed' for %s: dimm0")
elif event == "watchdog":
vmxml.remove_all_device_by_type('watchdog')
watchdog_dev = Watchdog()
watchdog_dev.model_type = params.get("watchdog_model")
action = params.get("action")
watchdog_dev.action = action
vmxml.add_device(watchdog_dev)
vmxml.sync()
logging.debug("Current vmxml with watchdog dev is %s\n" % vmxml)
virsh.start(dom.name, **virsh_dargs)
session = dom.wait_for_login()
try:
session.cmd("echo 0 > /dev/watchdog")
except (ShellTimeoutError, ShellProcessTerminatedError) as details:
test.fail("Failed to trigger watchdog: %s" % details)
session.close()
# watchdog acts slowly, waiting for it.
time.sleep(30)
expected_events_list.append("'watchdog' for %s: " + "%s" % action)
if action == 'pause':
expected_events_list.append("'lifecycle' for %s: Suspended Watchdog")
virsh.resume(dom.name, **virsh_dargs)
else:
# action == 'reset'
expected_events_list.append("'reboot' for %s")
elif event == "io-error":
part_size = params.get("part_size")
resume_event = params.get("resume_event")
suspend_event = params.get("suspend_event")
process.run("truncate -s %s %s" % (part_size, small_part), shell=True)
utlv.mkfs(small_part, part_format)
utils_misc.mount(small_part, mount_point, None)
add_disk(dom.name, new_disk, 'vdb', '--subdriver qcow2 --config', 'qcow2')
dom.start()
session = dom.wait_for_login()
session.cmd("mkfs.ext4 /dev/vdb && mount /dev/vdb /mnt && ls /mnt && "
"dd if=/dev/zero of=/mnt/test.img bs=1M count=50", ignore_all_errors=True)
time.sleep(5)
session.close()
expected_events_list.append("'io-error' for %s: " + "%s" % new_disk + r" \(virtio-disk1\) pause")
expected_events_list.append("'io-error-reason' for %s: " + "%s" % new_disk + r" \(virtio-disk1\) pause due to enospc")
expected_events_list.append(suspend_event)
process.run("df -hT")
virsh.resume(dom.name, **virsh_dargs)
time.sleep(5)
expected_events_list.append(resume_event)
expected_events_list.append("'io-error' for %s: " + "%s" % new_disk + r" \(virtio-disk1\) pause")
expected_events_list.append("'io-error-reason' for %s: " + "%s" % new_disk + r" \(virtio-disk1\) pause due to enospc")
expected_events_list.append(suspend_event)
ret = virsh.domstate(dom.name, "--reason", **virsh_dargs)
if ret.stdout.strip() != "paused (I/O error)":
test.fail("Domain state should still be paused due to I/O error!")
else:
test.error("Unsupported event: %s" % event)
# Event may not received immediately
time.sleep(3)
finally:
if os.path.exists(save_path):
os.unlink(save_path)
if os.path.exists(new_disk):
os.unlink(new_disk)
if os.path.exists(dest_path):
os.unlink(dest_path)
return [(dom.name, event) for event in expected_events_list]
def trigger_events(dom, events_list=[]):
"""
Trigger various events in events_list
:param dom: the vm objects corresponding to the domain
:return: the expected output that virsh event command prints out
"""
expected_events_list = []
save_path = os.path.join(tmpdir, "%s_event.save" % dom.name)
print(dom.name)
xmlfile = dom.backup_xml()
try:
for event in events_list:
logging.debug("Current event is: %s", event)
if event in ['start', 'restore', 'create', 'edit', 'define', 'undefine', 'crash']:
if dom.is_alive():
dom.destroy()
if event in ['create', 'define']:
dom.undefine()
else:
if not dom.is_alive():
dom.start()
dom.wait_for_login().close()
if event == "resume":
dom.pause()
if event == "undefine":
virsh.undefine(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Undefined Removed")
elif event == "create":
virsh.create(xmlfile, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
expected_events_list.append("'lifecycle' for %s:"
" Started Booted")
elif event == "destroy":
virsh.destroy(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Stopped Destroyed")
elif event == "define":
virsh.define(xmlfile, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Defined Added")
elif event == "start":
virsh.start(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
expected_events_list.append("'lifecycle' for %s:"
" Started Booted")
dom.wait_for_login().close()
elif event == "suspend":
virsh.suspend(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
if not libvirt_version.version_compare(5, 3, 0):
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
elif event == "resume":
virsh.resume(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
elif event == "save":
virsh.save(dom.name, save_path, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
expected_events_list.append("'lifecycle' for %s:"
" Stopped Saved")
elif event == "restore":
if not os.path.exists(save_path):
logging.error("%s not exist", save_path)
else:
virsh.restore(save_path, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Started Restored")
expected_events_list.append("'lifecycle' for %s:"
" Resumed Snapshot")
elif event == "edit":
#Check whether 'description' element exists.
domxml = virsh.dumpxml(dom.name).stdout.strip()
find_desc = parseString(domxml).getElementsByTagName("description")
if find_desc == []:
#If not exists, add one for it.
logging.info("Adding <description> to guest")
virsh.desc(dom.name, "--config", "Added desc for testvm", **virsh_dargs)
#The edit operation is to delete 'description' element.
edit_cmd = [r":g/<description.*<\/description>/d"]
utlv.exec_virsh_edit(dom.name, edit_cmd)
expected_events_list.append("'lifecycle' for %s:"
" Defined Updated")
elif event == "shutdown":
if signal_name is None:
virsh.shutdown(dom.name, **virsh_dargs)
# Wait a few seconds for shutdown finish
time.sleep(3)
if utils_misc.compare_qemu_version(2, 9, 0):
#Shutdown reason distinguished from qemu_2.9.0-9
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished after guest request")
else:
os.kill(dom.get_pid(), getattr(signal, signal_name))
if utils_misc.compare_qemu_version(2, 9, 0):
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished after host request")
if not utils_misc.compare_qemu_version(2, 9, 0):
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished")
wait_for_shutoff(dom)
expected_events_list.append("'lifecycle' for %s:"
" Stopped Shutdown")
elif event == "crash":
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Set panic device
panic_dev = Panic()
panic_dev.model = panic_model
panic_dev.addr_type = addr_type
panic_dev.addr_iobase = addr_iobase
vmxml.add_device(panic_dev)
vmxml.on_crash = "coredump-restart"
vmxml.sync()
logging.info("Guest xml now is: %s", vmxml)
dom.start()
session = dom.wait_for_login()
# Stop kdump in the guest
session.cmd("systemctl stop kdump", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
try:
# Crash the guest
session.cmd("echo c > /proc/sysrq-trigger", timeout=60)
except (ShellTimeoutError, ShellProcessTerminatedError) as details:
logging.info(details)
session.close()
expected_events_list.append("'lifecycle' for %s:"
" Crashed Panicked")
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
elif event == "reset":
virsh.reset(dom.name, **virsh_dargs)
expected_events_list.append("'reboot' for %s")
elif event == "vcpupin":
virsh.vcpupin(dom.name, '0', '0', **virsh_dargs)
expected_events_list.append("'tunable' for %s:"
"\n\tcputune.vcpupin0: 0")
elif event == "emulatorpin":
virsh.emulatorpin(dom.name, '0', **virsh_dargs)
expected_events_list.append("'tunable' for %s:"
"\n\tcputune.emulatorpin: 0")
elif event == "setmem":
mem_size = int(params.get("mem_size", 512000))
virsh.setmem(dom.name, mem_size, **virsh_dargs)
expected_events_list.append("'balloon-change' for %s:")
elif event == "device-added-removed":
add_disk(dom.name, new_disk, 'vdb', '')
expected_events_list.append("'device-added' for %s:"
" virtio-disk1")
virsh.detach_disk(dom.name, 'vdb', **virsh_dargs)
expected_events_list.append("'device-removed' for %s:"
" virtio-disk1")
iface_xml_obj = create_iface_xml()
iface_xml_obj.xmltreefile.write()
virsh.detach_device(dom.name, iface_xml_obj.xml, **virsh_dargs)
expected_events_list.append("'device-removed' for %s:"
" net0")
time.sleep(2)
virsh.attach_device(dom.name, iface_xml_obj.xml, **virsh_dargs)
expected_events_list.append("'device-added' for %s:"
" net0")
elif event == "block-threshold":
add_disk(dom.name, new_disk, 'vdb', '', format=disk_format)
logging.debug(process.run('qemu-img info %s -U' % new_disk))
virsh.domblkthreshold(vm_name, 'vdb', '100M')
session = dom.wait_for_login()
session.cmd("mkfs.ext4 /dev/vdb && mount /dev/vdb /mnt && ls /mnt && "
"dd if=/dev/urandom of=/mnt/bigfile bs=1M count=300 && sync")
time.sleep(5)
session.close()
expected_events_list.append("'block-threshold' for %s:"
" dev: vdb(%s) 104857600 29368320")
virsh.detach_disk(dom.name, 'vdb', **virsh_dargs)
elif event == "change-media":
target_device = "hdc"
device_target_bus = params.get("device_target_bus", "ide")
disk_blk = vm_xml.VMXML.get_disk_blk(dom.name)
logging.info("disk_blk %s", disk_blk)
if target_device not in disk_blk:
logging.info("Adding cdrom to guest")
if dom.is_alive():
dom.destroy()
add_disk(dom.name, "''", target_device,
("--type cdrom --sourcetype file --driver qemu " +
"--config --targetbus %s" % device_target_bus))
dom.start()
all_options = new_disk + " --insert"
virsh.change_media(dom.name, target_device,
all_options, **virsh_dargs)
expected_events_list.append("'tray-change' for %s disk" + " .*%s.*:" % device_target_bus +
" opened")
expected_events_list.append("'tray-change' for %s disk" + " .*%s.*:" % device_target_bus +
" closed")
all_options = new_disk + " --eject"
virsh.change_media(dom.name, target_device,
all_options, **virsh_dargs)
expected_events_list.append("'tray-change' for %s disk" + " .*%s.*:" % device_target_bus +
" opened")
elif event == "hwclock":
session = dom.wait_for_login()
try:
session.cmd("hwclock --systohc", timeout=60)
except (ShellTimeoutError, ShellProcessTerminatedError) as details:
logging.info(details)
session.close()
expected_events_list.append("'rtc-change' for %s:")
elif event == "metadata_set":
metadata_uri = params.get("metadata_uri")
metadata_key = params.get("metadata_key")
metadata_value = params.get("metadata_value")
virsh.metadata(dom.name,
metadata_uri,
options="",
key=metadata_key,
new_metadata=metadata_value,
**virsh_dargs)
expected_events_list.append("'metadata-change' for %s: "
"element http://app.org/")
elif event == "metadata_edit":
metadata_uri = "http://herp.derp/"
metadata_key = "herp"
metadata_value = "<derp xmlns:foobar='http://foo.bar/'>foo<bar></bar></derp>"
virsh_cmd = r"virsh metadata %s --uri %s --key %s %s"
virsh_cmd = virsh_cmd % (dom.name, metadata_uri,
metadata_key, "--edit")
session = aexpect.ShellSession("sudo -s")
logging.info("Running command: %s", virsh_cmd)
try:
session.sendline(virsh_cmd)
session.sendline(r":insert")
session.sendline(metadata_value)
session.sendline(".")
session.send('ZZ')
remote.handle_prompts(session, None, None, r"[\#\$]\s*$",
debug=True, timeout=60)
except Exception as e:
test.error("Error occured: %s" % e)
session.close()
# Check metadata after edit
virsh.metadata(dom.name,
metadata_uri,
options="",
key=metadata_key,
**virsh_dargs)
expected_events_list.append("'metadata-change' for %s: "
"element http://app.org/")
elif event == "metadata_remove":
virsh.metadata(dom.name,
metadata_uri,
options="--remove",
key=metadata_key,
**virsh_dargs)
expected_events_list.append("'metadata-change' for %s: "
"element http://app.org/")
else:
test.error("Unsupported event: %s" % event)
# Event may not received immediately
time.sleep(3)
finally:
if os.path.exists(save_path):
os.unlink(save_path)
if os.path.exists(new_disk):
os.unlink(new_disk)
return [(dom.name, event) for event in expected_events_list]
def run(test, params, env):
"""
Test only ppc hosts
"""
if 'ppc64le' not in platform.machine().lower():
test.cancel('This case is for ppc only.')
vm_name = params.get('main_vm', 'EXAMPLE')
status_error = 'yes' == params.get('status_error', 'no')
case = params.get('case', '')
error_msg = params.get('error_msg', '')
# Backup vm xml
bk_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
# Assign address to panic device
if case == 'panic_address':
# Check if there is already a panic device on vm, remove it if true
origin_panic = vmxml.get_devices('panic')
if origin_panic:
for dev in origin_panic:
vmxml.del_device(dev)
vmxml.sync()
# Create panic device to add to vm
panic_dev = Panic()
panic_dev.model = 'pseries'
panic_dev.addr_type = 'isa'
panic_dev.addr_iobase = '0x505'
logging.debug(panic_dev)
vmxml.add_device(panic_dev)
if version_compare(7, 0, 0):
cmd_result = virsh.define(vmxml.xml, debug=True)
else:
vmxml.sync()
cmd_result = virsh.start(vm_name,
debug=True,
ignore_status=True)
# Get Ethernet pci devices
if case == 'unavail_pci_device':
lspci = process.run('lspci|grep Ethernet',
shell=True).stdout_text.splitlines()
pci_ids = [line.split()[0] for line in lspci]
logging.debug(pci_ids)
max_id = max([int(pci_id.split('.')[-1]) for pci_id in pci_ids])
prefix = pci_ids[-1].split('.')[0]
# Create fake pci ids
for i in range(5):
max_id += 1
# function must be <= 7
if max_id > 7:
break
new_pci_id = '.'.join([prefix, str(max_id)])
new_pci_xml = libvirt.create_hostdev_xml(new_pci_id)
vmxml.add_device(new_pci_xml)
vmxml.sync()
logging.debug('Vm xml after adding unavailable pci devices: \n%s',
vmxml)
# Check result if there's a result to check
if 'cmd_result' in locals():
libvirt.check_exit_status(cmd_result, status_error)
if error_msg:
libvirt.check_result(cmd_result, [error_msg])
finally:
# In case vm disappeared after test
if case == 'unavail_pci_device':
virsh.define(bk_xml.xml, debug=True)
else:
bk_xml.sync()
def run(test, params, env):
"""
Test auto_dump_* parameter in qemu.conf.
1) Change auto_dump_* in qemu.conf;
2) Restart libvirt daemon;
4) Check if file open state changed accordingly.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
bypass_cache = params.get("auto_dump_bypass_cache", "not_set")
panic_model = params.get("panic_model")
addr_type = params.get("addr_type")
addr_iobase = params.get("addr_iobase")
vm = env.get_vm(vm_name)
if panic_model and not libvirt_version.version_compare(1, 3, 1):
test.cancel("panic device model attribute not supported"
"on current libvirt version")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
backup_xml = vmxml.copy()
config = utils_config.LibvirtQemuConfig()
libvirtd = utils_libvirtd.Libvirtd()
dump_path = os.path.join(data_dir.get_tmp_dir(), "dump")
try:
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Set panic device
panic_dev = Panic()
if panic_model:
panic_dev.model = panic_model
if addr_type:
panic_dev.addr_type = addr_type
if addr_iobase:
panic_dev.addr_iobase = addr_iobase
vmxml.add_device(panic_dev)
vmxml.on_crash = "coredump-restart"
vmxml.sync()
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
if not vmxml.xmltreefile.find('devices').findall('panic'):
test.cancel("No 'panic' device in the guest, maybe "
"your libvirt version doesn't support it")
# Setup qemu.conf
if bypass_cache == 'not_set':
del config.auto_dump_bypass_cache
else:
config.auto_dump_bypass_cache = bypass_cache
config.auto_dump_path = dump_path
if os.path.exists(dump_path):
os.rmdir(dump_path)
os.mkdir(dump_path)
# Restart libvirtd to make change valid.
libvirtd.restart()
# Restart VM to create a new qemu process.
if vm.is_alive():
vm.destroy()
vm.start()
session = vm.wait_for_login()
# Stop kdump in the guest
session.cmd("service kdump stop", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
try:
# Crash the guest
session.cmd("echo c > /proc/sysrq-trigger", timeout=1)
except ShellTimeoutError:
pass
session.close()
iohelper_pid = process.run('pgrep -f %s' % dump_path).stdout_text.strip()
logging.error('%s', iohelper_pid)
# Get file open flags containing bypass cache information.
with open('/proc/%s/fdinfo/1' % iohelper_pid, 'r') as fdinfo:
flags = 0
for line in fdinfo.readlines():
if line.startswith('flags:'):
flags = int(line.split()[1], 8)
logging.debug('file open flag is: %o', flags)
with open('/proc/%s/cmdline' % iohelper_pid) as cmdinfo:
cmdline = cmdinfo.readline()
logging.debug(cmdline.split())
# Kill core dump process to speed up test
try:
process.run('kill %s' % iohelper_pid)
except process.CmdError as detail:
logging.debug("Dump already done:\n%s", detail)
arch = platform.machine()
if arch == 'x86_64':
# Check if bypass cache flag set or unset accordingly.
if (flags & 0o40000) and bypass_cache != '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
if not (flags & 0o40000) and bypass_cache == '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
elif arch == 'ppc64le':
# Check if bypass cache flag set or unset accordingly.
if (flags & 0o400000) and bypass_cache != '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
if not (flags & 0o400000) and bypass_cache == '1':
test.fail('auto_dump_bypass_cache is %s but flags '
'is %o' % (bypass_cache, flags))
else:
test.cancel("Unknown Arch. Do the necessary changes to"
"support")
finally:
backup_xml.sync()
config.restore()
libvirtd.restart()
if os.path.exists(dump_path):
shutil.rmtree(dump_path)
def trigger_events(dom, events_list=[]):
"""
Trigger various events in events_list
:param dom: the vm objects corresponding to the domain
:return: the expected output that virsh event command prints out
"""
expected_events_list = []
save_path = os.path.join(tmpdir, "%s_event.save" % dom.name)
print(dom.name)
xmlfile = dom.backup_xml()
try:
for event in events_list:
if event in [
'start', 'restore', 'create', 'define', 'undefine',
'crash'
]:
if dom.is_alive():
dom.destroy()
if event in ['create', 'define']:
dom.undefine()
else:
if not dom.is_alive():
dom.start()
dom.wait_for_login().close()
if event == "resume":
dom.pause()
if event == "undefine":
virsh.undefine(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Undefined Removed")
elif event == "create":
virsh.create(xmlfile, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
expected_events_list.append("'lifecycle' for %s:"
" Started Booted")
elif event == "destroy":
virsh.destroy(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Stopped Destroyed")
elif event == "define":
virsh.define(xmlfile, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Defined Added")
elif event == "start":
virsh.start(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
expected_events_list.append("'lifecycle' for %s:"
" Started Booted")
dom.wait_for_login().close()
elif event == "suspend":
virsh.suspend(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
if not libvirt_version.version_compare(5, 3, 0):
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
elif event == "resume":
virsh.resume(dom.name, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
elif event == "save":
virsh.save(dom.name, save_path, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Suspended Paused")
expected_events_list.append("'lifecycle' for %s:"
" Stopped Saved")
elif event == "restore":
if not os.path.exists(save_path):
logging.error("%s not exist", save_path)
else:
virsh.restore(save_path, **virsh_dargs)
expected_events_list.append("'lifecycle' for %s:"
" Started Restored")
expected_events_list.append("'lifecycle' for %s:"
" Resumed Snapshot")
elif event == "edit":
#Check whether 'description' element exists.
domxml = virsh.dumpxml(dom.name).stdout.strip()
find_desc = parseString(domxml).getElementsByTagName(
"description")
if find_desc == []:
#If not exists, add one for it.
logging.info("Adding <description> to guest")
virsh.desc(dom.name, "--config",
"Added desc for testvm", **virsh_dargs)
#The edit operation is to delete 'description' element.
edit_cmd = [r":g/<description.*<\/description>/d"]
utlv.exec_virsh_edit(dom.name, edit_cmd)
expected_events_list.append("'lifecycle' for %s:"
" Defined Updated")
elif event == "shutdown":
if signal_name is None:
virsh.shutdown(dom.name, **virsh_dargs)
# Wait a few seconds for shutdown finish
time.sleep(3)
if utils_misc.compare_qemu_version(2, 9, 0):
#Shutdown reason distinguished from qemu_2.9.0-9
expected_events_list.append(
"'lifecycle' for %s:"
" Shutdown Finished after guest request")
else:
os.kill(dom.get_pid(), getattr(signal, signal_name))
if utils_misc.compare_qemu_version(2, 9, 0):
expected_events_list.append(
"'lifecycle' for %s:"
" Shutdown Finished after host request")
if not utils_misc.compare_qemu_version(2, 9, 0):
expected_events_list.append("'lifecycle' for %s:"
" Shutdown Finished")
expected_events_list.append("'lifecycle' for %s:"
" Stopped Shutdown")
elif event == "crash":
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Set panic device
panic_dev = Panic()
panic_dev.model = panic_model
panic_dev.addr_type = addr_type
panic_dev.addr_iobase = addr_iobase
vmxml.add_device(panic_dev)
vmxml.on_crash = "coredump-restart"
vmxml.sync()
logging.info("Guest xml now is: %s", vmxml)
dom.start()
session = dom.wait_for_login()
# Stop kdump in the guest
session.cmd("systemctl stop kdump", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
try:
# Crash the guest
session.cmd("echo c > /proc/sysrq-trigger", timeout=60)
except (ShellTimeoutError,
ShellProcessTerminatedError) as details:
logging.info(details)
session.close()
expected_events_list.append("'lifecycle' for %s:"
" Crashed Panicked")
expected_events_list.append("'lifecycle' for %s:"
" Resumed Unpaused")
elif event == "reset":
virsh.reset(dom.name, **virsh_dargs)
expected_events_list.append("'reboot' for %s")
elif event == "vcpupin":
virsh.vcpupin(dom.name, '0', '0', **virsh_dargs)
expected_events_list.append("'tunable' for %s:"
"\n\tcputune.vcpupin0: 0")
elif event == "emulatorpin":
virsh.emulatorpin(dom.name, '0', **virsh_dargs)
expected_events_list.append("'tunable' for %s:"
"\n\tcputune.emulatorpin: 0")
elif event == "setmem":
mem_size = int(params.get("mem_size", 512000))
virsh.setmem(dom.name, mem_size, **virsh_dargs)
expected_events_list.append("'balloon-change' for %s:")
elif event == "device-added-removed":
add_disk(dom.name, new_disk, 'vdb', '')
expected_events_list.append("'device-added' for %s:"
" virtio-disk1")
virsh.detach_disk(dom.name, 'vdb', **virsh_dargs)
expected_events_list.append("'device-removed' for %s:"
" virtio-disk1")
iface_xml_obj = create_iface_xml()
iface_xml_obj.xmltreefile.write()
virsh.detach_device(dom.name, iface_xml_obj.xml,
**virsh_dargs)
expected_events_list.append("'device-removed' for %s:"
" net0")
time.sleep(2)
virsh.attach_device(dom.name, iface_xml_obj.xml,
**virsh_dargs)
expected_events_list.append("'device-added' for %s:"
" net0")
elif event == "change-media":
target_device = "hdc"
device_target_bus = params.get("device_target_bus", "ide")
disk_blk = vm_xml.VMXML.get_disk_blk(dom.name)
logging.info("disk_blk %s", disk_blk)
if target_device not in disk_blk:
logging.info("Adding cdrom to guest")
if dom.is_alive():
dom.destroy()
add_disk(
dom.name, "''", target_device,
("--type cdrom --sourcetype file --driver qemu " +
"--config --targetbus %s" % device_target_bus))
dom.start()
all_options = new_disk + " --insert"
virsh.change_media(dom.name, target_device, all_options,
**virsh_dargs)
expected_events_list.append("'tray-change' for %s disk" +
" .*%s.*:" %
device_target_bus + " opened")
expected_events_list.append("'tray-change' for %s disk" +
" .*%s.*:" %
device_target_bus + " closed")
all_options = new_disk + " --eject"
virsh.change_media(dom.name, target_device, all_options,
**virsh_dargs)
expected_events_list.append("'tray-change' for %s disk" +
" .*%s.*:" %
device_target_bus + " opened")
else:
test.error("Unsupported event: %s" % event)
# Event may not received immediately
time.sleep(3)
finally:
if os.path.exists(save_path):
os.unlink(save_path)
if os.path.exists(new_disk):
os.unlink(new_disk)
return [(dom.name, event) for event in expected_events_list]
