def do_operation():
"""
Do operation in guest os with vf and check the os behavior after operation.
"""
if operation == "resume_suspend":
try:
virsh.suspend(vm.name, debug=True, ignore_status=False)
virsh.resume(vm.name, debug=True, ignore_statue=False)
get_ip_by_mac(mac_addr, timeout=120)
except process.CmdError as detail:
err_msg = "Suspend-Resume %s with vf failed: %s" % (vm_name, detail)
test.fail(err_msg)
if operation == "reboot":
try:
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
virsh.reboot(vm.name, ignore_status=False)
get_ip_by_mac(mac_addr, timeout=120)
except process.CmdError as detail:
err_msg = "Reboot %s with vf failed: %s" % (vm_name, detail)
test.fail(err_msg)
if operation == "save":
result = virsh.managedsave(vm_name, ignore_status=True, debug=True)
utils_test.libvirt.check_exit_status(result, expect_error=True)
def do_operation():
"""
Do operation in guest os with vf and check the os behavior after operation.
"""
if operation == "resume_suspend":
try:
virsh.suspend(vm.name, debug=True, ignore_status=False)
virsh.resume(vm.name, debug=True, ignore_statue=False)
get_ip_by_mac(mac_addr, timeout=120)
except process.CmdError as detail:
err_msg = "Suspend-Resume %s with vf failed: %s" % (vm_name,
detail)
test.fail(err_msg)
if operation == "reboot":
try:
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
virsh.reboot(vm.name, ignore_status=False)
get_ip_by_mac(mac_addr, timeout=120)
except process.CmdError as detail:
err_msg = "Reboot %s with vf failed: %s" % (vm_name, detail)
test.fail(err_msg)
if operation == "save":
result = virsh.managedsave(vm_name, ignore_status=True, debug=True)
utils_test.libvirt.check_exit_status(result, expect_error=True)
if operation == "restart_libvirtd":
detach_interface()
utils_libvirtd.libvirtd_restart()
interface = attach_interface()
def run(test, params, env):
"""
Check libvirt daemons are removed after removing libvirt pkgs.
"""
daemons = params.get('daemons', "").split()
require_modular_daemon = params.get('require_modular_daemon', "no") == "yes"
utils_split_daemons.daemon_mode_check(require_modular_daemon)
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
try:
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
if not vm.is_alive():
vm.start()
session = vm.wait_for_login()
if not utils_package.package_install("libvirt*", session):
test.error("Failed to install libvirt package on guest")
virsh.reboot(vm)
if session is None:
session = vm.wait_for_login()
#Destroy default network, otherwise network daemon will not be removed after removed libvirt pkgs
cmd = "virsh net-destroy default"
session.cmd(cmd, ignore_all_errors=True)
runner = remote.RemoteRunner(session=session).run
service.Factory.create_service('virtlogd', run=runner).start()
if not utils_package.package_remove("libvirt*", session):
test.error("Failed to remove libvirt packages on guest")
for daemon in daemons:
cmd = "systemctl -a | grep %s" % daemon
if not session.cmd_status(cmd):
test.fail("%s still exists after removing libvirt pkgs" % daemon)
finally:
if session is not None:
session.close()
if vm.is_alive():
vm.destroy()
def test_with_label(vm, params, test):
"""
Test nvdimm with label setting
:param vm: vm object
:param params: dict, test parameters
:param test: test object
:raises: test.fail if checkpoints fail
"""
test_str = params.get('test_str')
test_file = params.get('test_file')
vm_name = params.get('main_vm')
vm_session = vm.wait_for_login()
# Create a file on the nvdimm device.
create_file_within_nvdimm_disk(vm_session, test_file, test_str, test, block_size=4096)
# Reboot the guest, and remount the nvdimm device in the guest.
# Check the file foo-label is exited
vm_session.close()
virsh.reboot(vm_name, debug=True)
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt')
if test_str not in vm_session.cmd('cat /mnt/foo-label '):
test.fail('"%s" should be in output' % test_str)
vm_session.close()
if params.get('check_life_cycle', 'no') == 'yes':
virsh.managedsave(vm_name, ignore_status=False, debug=True)
vm.start()
vm_session = vm.wait_for_login()
check_nvdimm_file(test_str, test_file, vm_session, test)
vm_session.close()
vm_s1 = vm_name + ".s1"
virsh.save(vm_name, vm_s1, ignore_status=False, debug=True)
virsh.restore(vm_s1, ignore_status=False, debug=True)
vm_session = vm.wait_for_login()
check_nvdimm_file(test_str, test_file, vm_session, test)
vm_session.close()
virsh.snapshot_create_as(vm_name, vm_s1, ignore_status=False, debug=True)
virsh.snapshot_revert(vm_name, vm_s1, ignore_status=False, debug=True)
virsh.snapshot_delete(vm_name, vm_s1, ignore_status=False, debug=True)
def test_reboot():
# Reboot(not supported on RHEL6)
result = virsh.reboot(vm_name, ignore_status=True, debug=True)
supported_err = 'not supported by the connection driver:\
virDomainReboot'
if supported_err in result.stderr.strip():
logging.info("Reboot is not supported")
else:
libvirt.check_exit_status(result)
vm.wait_for_login()
if check_attach_pci():
logging.debug("adapter found after reboot")
else:
test.fail("passthroughed adapter not found after reboot")
def test_reboot():
# Reboot(not supported on RHEL6)
result = virsh.reboot(vm_name, ignore_status=True, debug=True)
supported_err = 'not supported by the connection driver:\
virDomainReboot'
if supported_err in result.stderr.strip():
logging.info("Reboot is not supported")
else:
libvirt.check_exit_status(result)
vm.wait_for_login()
if check_attach_pci():
logging.debug("adapter found after reboot")
else:
test.fail("passthroughed adapter not found after reboot")
def guest_lifecycle():
if operation == "suspend":
# Suspend
logging.info("Performing VM Suspend with device pass-through")
result = virsh.suspend(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
libvirt.check_vm_state(vm_name, 'paused')
time.sleep(10)
# Resume
logging.info("Performing VM Resume with device pass-through")
result = virsh.resume(vm_name, ignore_status=True, debug=True)
libvirt.check_exit_status(result)
libvirt.check_vm_state(vm_name, 'running')
elif operation == "shutdown":
# Shutdown and Start the VM
try:
logging.info("Performing VM Shutdown with device pass-through")
vm.shutdown()
vm.wait_for_shutdown()
libvirt.check_vm_state(vm_name, 'shut off')
logging.info("Performing VM Start with device pass-through")
vm.start()
libvirt.check_vm_state(vm_name, 'running')
vm.wait_for_login().close()
except virt_vm.VMStartError as detail:
test.fail("VM failed to start."
"Error: %s" % str(detail))
elif operation == "reboot":
# Reboot
logging.info("Performing VM Reboot with device pass-through")
result = virsh.reboot(vm_name, ignore_status=True, debug=True)
if supported_err in result.stderr.strip():
logging.info("Reboot is not supported")
else:
libvirt.check_exit_status(result)
else:
logging.debug("No operation for the domain")
if sorted(vm.get_pci_devices()) != sorted(nic_list_before):
logging.debug("Adapter found after lifecycle operation")
else:
test.fail("Passthroughed adapter not found after lifecycle operation")
def run(test, params, env):
"""
Test bridge support from network
1) create a linux bridge and connect a physical interface to it
2) define nwfilter with "vdsm-no-mac-spoofing"
3) redefine the vm with the new create bridge and filter
4) check if guest can get public ip after vm start
5) check if guest and host can ping each other
6) check if guest and host can ping outside
7) start another vm connected to the same bridge
8) check if the 2 guests can ping each other
"""
def create_bridge(br_name, iface_name):
"""
Create a linux bridge by virsh cmd:
1. Stop NetworkManager and Start network service
2. virsh iface-bridge <iface> <name> [--no-stp]
:param br_name: bridge name
:param iface_name: physical interface name
:return: bridge created or raise exception
"""
# Make sure the bridge not exist
if libvirt.check_iface(br_name, "exists", "--all"):
test.cancel("The bridge %s already exist" % br_name)
# Create bridge
utils_package.package_install('tmux')
cmd = 'tmux -c "ip link add name {0} type bridge; ip link set {1} up;' \
' ip link set {1} master {0}; ip link set {0} up;' \
' pkill dhclient; sleep 6; dhclient {0}; ifconfig {1} 0"'.format(br_name, iface_name)
process.run(cmd, shell=True, verbose=True)
def create_bridge_network(br_name, net_name):
"""
Define and start the bridge type network
"""
# check if network with the same name already exists
output_all = virsh.net_list("--all").stdout.strip()
if re.search(net_name, output_all):
test.cancel("Network with the same name already exists!")
test_xml = network_xml.NetworkXML(network_name="%s" % net_name)
test_xml.forward = {"mode": "bridge"}
test_xml.bridge = {"name": br_name}
test_xml.create()
def define_nwfilter(filter_name):
"""
Define nwfilter vdsm-no-mac-spoofing with content like:
<filter name='vdsm-no-mac-spoofing' chain='root'>
<filterref filter='no-mac-spoofing'/>
<filterref filter='no-arp-mac-spoofing'/>
</filter>
:param filter_name: the name of nwfilter
:return: filter created or raise exception
"""
filter_uuid = params.get("filter_uuid",
"11111111-b071-6127-b4ec-111111111111")
filter_params = {
"filter_name": "vdsm-no-mac-spoofing",
"filter_chain": "root",
"filter_uuid": filter_uuid,
"filterref_name_1": "no-mac-spoofing",
"filterref_name_2": "no-arp-mac-spoofing"
}
filter_xml = libvirt.create_nwfilter_xml(filter_params).xml
# Run command
result = virsh.nwfilter_define(filter_xml,
ignore_status=True,
debug=True)
if result.exit_status:
test.fail("Failed to define nwfilter with %s" % filter_xml)
def ping(src_ip, dest_ip, ping_count, timeout, session=None):
"""
Wrap of ping
:param src_ip: source address
:param dest_ip: destination address
:param ping_count: count of icmp packet
:param timeout: timeout for the ping command
:param session: local execution or session to execute the ping command
:return: ping succeed or raise exception
"""
status, output = utils_net.ping(dest=dest_ip,
count=ping_count,
interface=src_ip,
timeout=timeout,
session=session,
force_ipv4=True)
if status:
test.fail("Fail to ping %s from %s" % (dest_ip, src_ip))
def check_net_functions(guest_ip, ping_count, ping_timeout, guest_session,
host_ip, remote_url, endpoint_ip):
# make sure host network works well
# host ping remote url
ping(host_ip, remote_url, ping_count, ping_timeout)
# host ping guest
ping(host_ip, guest_ip, ping_count, ping_timeout)
# guest ping host
ping(guest_ip,
host_ip,
ping_count,
ping_timeout,
session=guest_session)
# guest ping remote url
ping(guest_ip,
remote_url,
ping_count,
ping_timeout,
session=guest_session)
# guest ping endpoint
ping(guest_ip,
endpoint_ip,
ping_count,
ping_timeout,
session=guest_session)
# Get test params
bridge_name = params.get("bridge_name", "test_br0")
filter_name = params.get("filter_name", "vdsm-no-mac-spoofing")
ping_count = params.get("ping_count", "5")
ping_timeout = float(params.get("ping_timeout", "10"))
iface_name = utils_net.get_net_if(state="UP")[0]
bridge_script = NETWORK_SCRIPT + bridge_name
iface_script = NETWORK_SCRIPT + iface_name
iface_script_bk = os.path.join(data_dir.get_tmp_dir(),
"iface-%s.bk" % iface_name)
attach_interface = "yes" == params.get("attach_interface", "no")
iface_model = params.get("iface_model", "virtio")
iface_source = eval(params.get("iface_source", "{'bridge':'test_br0'}"))
iface_type = params.get("iface_type", None)
iface_target = params.get("iface_target", "br_target")
iface_alias = params.get("iface_alias", None)
hotplug = "yes" == params.get("hotplug", "no")
iface_driver = params.get("iface_driver", None)
start_vm2 = "yes" == params.get("start_vm2", "no")
create_network = "yes" == params.get("create_network", "no")
update_device = "yes" == params.get("update_with_diff_type", "no")
vms = params.get("vms").split()
if len(vms) <= 1:
test.cancel("Need two VMs to test")
else:
vm1_name = vms[0]
vm2_name = vms[1]
vm1 = env.get_vm(vm1_name)
vm2 = env.get_vm(vm2_name)
# Back up the interface script
process.run("cp %s %s" % (iface_script, iface_script_bk),
shell=True,
verbose=True)
# Back up vm xml
vm1_xml_bak = vm_xml.VMXML.new_from_dumpxml(vm1_name)
vm2_xml_bak = vm_xml.VMXML.new_from_dumpxml(vm2_name)
# Stop NetworkManager service
NM_service = service.Factory.create_service("NetworkManager")
NM_status = NM_service.status()
if not NM_status:
NM_service.start()
mac = utils_net.generate_mac_address_simple()
try:
create_bridge(bridge_name, iface_name)
define_nwfilter(filter_name)
if hotplug:
err_msgs = ("No more available PCI slots",
"No more available PCI addresses")
# delete the original interface on the vm before hot-plug
if vm1.is_alive():
vm1.destroy()
vmxml = vm_xml.VMXML.new_from_dumpxml(vm1_name)
iface_xml = vmxml.get_devices('interface')[0]
logging.debug("Delete the original interface")
vmxml.del_device(iface_xml)
vmxml.sync()
vm1.start()
# do hot-plug
if attach_interface:
logging.info("Try to hot-plug interface")
options = (
"%s %s --model %s --mac %s" %
(iface_type, iface_source['bridge'], iface_model, mac))
ret = virsh.attach_interface(vm1_name,
options,
ignore_status=True)
else:
logging.info("Try to hot-plug device")
if create_network:
create_bridge_network(bridge_name, iface_source["network"])
target = str({'dev': iface_target})
iface_alias = str({'name': iface_alias})
vm_iface_source = str(iface_source)
iface_params = {
"type": iface_type,
"source": vm_iface_source,
"filter": filter_name,
"mac": mac,
'alias': iface_alias,
'target': target,
'model': iface_model,
'driver': iface_driver
}
attach_xml = interface.Interface(iface_params['type'])
attach_xml.xml = libvirt.modify_vm_iface(
vm1_name, 'get_xml', iface_params)
ret = virsh.attach_device(vm1_name,
attach_xml.xml,
ignore_status=True,
debug=True)
if ret.exit_status:
if any([msg in ret.stderr for msg in err_msgs]):
test.error("No more pci slots, can't attach more devices")
else:
test.fail("Failed to attach-interface: %s" %
ret.stderr.strip())
else:
logging.debug("Hot-plug interface or device pass")
if update_device:
# As the interface type will change to actual type "bridge" in live xml, we need to ensure
# the update with original "network" type will not fail.
# Try to delete the nwfilter with original type in iface_params
update_xml = interface.Interface(iface_type)
iface_params_update = {
"del_filter": "yes",
"type": "network",
"source": vm_iface_source
}
update_xml.xml = libvirt.modify_vm_iface(
vm1_name, 'get_xml', iface_params_update)
ret = virsh.update_device(vm1_name,
update_xml.xml,
ignore_status=True,
debug=True)
libvirt.check_exit_status(ret)
else:
vm_iface_source = str(iface_source)
vm1_iface_params = {
"type": "bridge",
"source": vm_iface_source,
"filter": filter_name,
"mac": mac,
'driver': iface_driver,
"iface_model": iface_model
}
libvirt.modify_vm_iface(vm1_name, "update_iface", vm1_iface_params)
if vm1.is_alive():
vm1.destroy()
vm1.start()
# apply ip address as it may not be initialized
session1 = session2 = None
session1 = vm1.wait_for_serial_login()
utils_net.restart_guest_network(session1)
output = session1.cmd_output("ifconfig || ip a")
logging.debug("guest1 ip info %s" % output)
# Check guest's network function
host_ip = utils_net.get_ip_address_by_interface(bridge_name)
remote_url = params.get("remote_ip", "www.google.com")
try:
vm1_ip = utils_net.get_guest_ip_addr(session1, mac)
except Exception as errs:
test.fail("vm1 can't get IP with the new create bridge: %s" % errs)
if hotplug:
# reboot vm1 then check network function to ensure the interface still there and works fine
logging.info("reboot the vm")
virsh.reboot(vm1)
if session1 is None:
session1 = vm1.wait_for_serial_login()
ping(vm1_ip,
remote_url,
ping_count,
ping_timeout,
session=session1)
# restart libvirtd service then check the interface still works fine
libvirtd = utils_libvirtd.Libvirtd()
libvirtd.restart()
vm1.cleanup_serial_console()
vm1.create_serial_console()
session1 = vm1.wait_for_serial_login()
ping(vm1_ip,
remote_url,
ping_count,
ping_timeout,
session=session1)
logging.info(
"after reboot and restart libvirtd, the network works fine")
if iface_driver:
try:
driver_dict = eval(iface_driver)
if session1 is None:
session1 = vm1.wait_for_serial_login()
guest_iface_info = session1.cmd_output("ip l").strip()
guest_iface_name = re.findall(
r"^\d+: (\S+?)[@:].*state UP.*$", guest_iface_info,
re.MULTILINE)[0]
comb_size = driver_dict.get('queues')
rx_size = driver_dict.get('rx_queue_size')
session1.cmd_status("ethtool -L %s combined %s" %
(guest_iface_name, comb_size))
ret, outp = session1.cmd_status_output("ethtool -l %s" %
guest_iface_name)
logging.debug("ethtool cmd output:%s" % outp)
if not ret:
pre_comb = re.search(
"Pre-set maximums:[\s\S]*?Combined:.*?(\d+)",
outp).group(1)
cur_comb = re.search(
"Current hardware settings:[\s\S]*?Combined:.*?(\d+)",
outp).group(1)
if int(pre_comb) != int(comb_size) or int(
cur_comb) != int(comb_size):
test.fail(
"Fail to check the combined size: setting: %s,"
"Pre-set: %s, Current-set: %s" %
(comb_size, pre_comb, cur_comb))
else:
logging.info(
"Getting correct Pre-set and Current set value"
)
else:
test.error("ethtool list fail: %s" % outp)
# as tx_queue size is only supported for vhost-user interface, only check rx_queue size
ret1, outp1 = session1.cmd_status_output("ethtool -g %s" %
guest_iface_name)
logging.debug("guest queue size setting is %s" % outp1)
if not ret1:
pre_set = re.search(r"Pre-set maximums:\s*RX:\s*(\d+)",
outp1).group(1)
cur_set = re.search(
r"Current hardware settings:\s*RX:\s*(\d+)",
outp1).group(1)
if int(pre_set) != int(rx_size) or int(cur_set) != int(
rx_size):
test.fail("Fail to check the rx_queue_size!")
except Exception as errs:
test.fail("fail to get driver info")
# hot-unplug interface/device
if attach_interface:
ret = virsh.detach_interface(vm1_name,
"bridge",
ignore_status=True)
else:
ret = virsh.detach_device(vm1_name,
attach_xml.xml,
ignore_status=True,
debug=True)
if ret.exit_status:
test.fail("Hot-unplug interface/device fail")
else:
logging.info("hot-unplug interface/device succeed")
else:
if start_vm2:
# Start vm2 connect to the same bridge
mac2 = utils_net.generate_mac_address_simple()
vm2_iface_params = {
"type": "bridge",
"source": vm_iface_source,
"filter": filter_name,
"mac": mac2
}
libvirt.modify_vm_iface(vm2_name, "update_iface",
vm2_iface_params)
if vm2.is_alive():
vm2.destroy()
vm2.start()
# Check if vm1 and vm2 can ping each other
try:
utils_net.update_mac_ip_address(vm2, timeout=120)
vm2_ip = vm2.get_address()
except Exception as errs:
test.fail(
"vm2 can't get IP with the new create bridge: %s" %
errs)
session2 = vm2.wait_for_login()
# make sure guest has got ip address
utils_net.restart_guest_network(session2)
output2 = session2.cmd_output("ifconfig || ip a")
logging.debug("guest ip info %s" % output2)
# check 2 guests' network functions
check_net_functions(vm1_ip, ping_count, ping_timeout, session1,
host_ip, remote_url, vm2_ip)
check_net_functions(vm2_ip, ping_count, ping_timeout, session2,
host_ip, remote_url, vm1_ip)
finally:
logging.debug("Start to restore")
vm1_xml_bak.sync()
vm2_xml_bak.sync()
virsh.nwfilter_undefine(filter_name, ignore_status=True)
if libvirt.check_iface(bridge_name, "exists", "--all"):
virsh.iface_unbridge(bridge_name, timeout=60, debug=True)
if os.path.exists(iface_script_bk):
process.run("mv %s %s" % (iface_script_bk, iface_script),
shell=True,
verbose=True)
if os.path.exists(bridge_script):
process.run("rm -rf %s" % bridge_script, shell=True, verbose=True)
cmd = 'tmux -c "ip link set {1} nomaster; ip link delete {0};' \
'pkill dhclient; sleep 6; dhclient {1}"'.format(bridge_name, iface_name)
process.run(cmd, shell=True, verbose=True)
# reload network configuration
NM_service.restart()
# recover NetworkManager
if NM_status is True:
NM_service.start()
if 'network' in iface_source and iface_source[
"network"] in virsh.net_state_dict():
virsh.net_destroy(iface_source["network"], ignore_status=False)
complete_uri = libvirt_vm.complete_uri(local_ip)
try:
session = remote.remote_login("ssh", remote_ip, "22", "root",
remote_pwd, "#")
session.cmd_output('LANG=C')
command = "virsh -c %s reboot %s %s" % (complete_uri, vm_name,
mode)
status, output = session.cmd_status_output(command,
internal_timeout=5)
session.close()
except (remote.LoginError, process.CmdError, aexpect.ShellError), e:
logging.error("Exception: %s", str(e))
status = -1
if vm_ref != "remote_name":
vm_ref = "%s %s" % (vm_ref, extra)
cmdresult = virsh.reboot(vm_ref, mode,
ignore_status=True, debug=True)
status = cmdresult.exit_status
if status:
logging.debug("Error status, cmd error: %s", cmdresult.stderr)
if not virsh.has_command_help_match('reboot', '\s+--mode\s+'):
# old libvirt doesn't support reboot
status = -2
output = virsh.dom_list(ignore_status=True).stdout.strip()
# recover libvirtd service start
if libvirtd == "off":
utils_libvirtd.libvirtd_start()
# check status_error
if status_error:
if not status:
def run(test, params, env):
"""
Test command: virsh reboot.
Run a reboot command in the target domain.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh reboot operation.
4.Recover test environment.(libvirts service)
5.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
# run test case
libvirtd = params.get("libvirtd", "on")
vm_ref = params.get("reboot_vm_ref")
status_error = ("yes" == params.get("status_error"))
extra = params.get("reboot_extra", "")
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
local_ip = params.get("local_ip", "LOCAL.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", "password")
agent = ("yes" == params.get("reboot_agent", "no"))
mode = params.get("reboot_mode", "")
pre_domian_status = params.get("reboot_pre_domian_status", "running")
reboot_readonly = "yes" == params.get("reboot_readonly", "no")
xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Add or remove qemu-agent from guest before test
try:
vm.prepare_guest_agent(channel=agent, start=agent)
except virt_vm.VMError as e:
logging.debug(e)
# qemu-guest-agent is not available on REHL5
test.cancel("qemu-guest-agent package is not available")
if pre_domian_status == "shutoff":
virsh.destroy(vm_name)
if libvirtd == "off":
utils_libvirtd.libvirtd_stop()
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "remote_name":
if remote_ip.count("EXAMPLE.COM") or local_ip.count("EXAMPLE.COM"):
test.cancel("remote_ip and/or local_ip parameters"
" not changed from default values")
complete_uri = libvirt_vm.complete_uri(local_ip)
try:
session = remote.remote_login("ssh", remote_ip, "22", "root",
remote_pwd, "#")
session.cmd_output('LANG=C')
command = "virsh -c %s reboot %s %s" % (complete_uri, vm_name,
mode)
status, output = session.cmd_status_output(command,
internal_timeout=5)
session.close()
if not status:
# the operation before the end of reboot
# may result in data corruption
vm.wait_for_login().close()
except (remote.LoginError, process.CmdError, aexpect.ShellError) as e:
logging.error("Exception: %s", str(e))
status = -1
if vm_ref != "remote_name":
vm_ref = "%s" % vm_ref
if extra:
vm_ref += " %s" % extra
cmdresult = virsh.reboot(vm_ref, mode,
ignore_status=True, debug=True)
status = cmdresult.exit_status
if status:
logging.debug("Error status, cmd error: %s", cmdresult.stderr)
if not virsh.has_command_help_match('reboot', '\s+--mode\s+'):
# old libvirt doesn't support reboot
status = -2
time.sleep(5)
# avoid the check if it is negative test
if not status_error:
cmdoutput = virsh.domstate(vm_ref, '--reason',
ignore_status=True, debug=True)
domstate_status = cmdoutput.exit_status
output = "running" in cmdoutput.stdout
if domstate_status or (not output):
test.fail("Cmd error: %s Error status: %s" %
(cmdoutput.stderr, cmdoutput.stdout))
elif pre_domian_status != 'shutoff':
vm.wait_for_login().close()
output = virsh.dom_list(ignore_status=True).stdout.strip()
# Test the readonly mode
if reboot_readonly:
result = virsh.reboot(vm_ref, ignore_status=True, debug=True, readonly=True)
libvirt.check_exit_status(result, expect_error=True)
# This is for status_error check
status = result.exit_status
# recover libvirtd service start
if libvirtd == "off":
utils_libvirtd.libvirtd_start()
# check status_error
if status_error:
if not status:
test.fail("Run successfully with wrong command!")
else:
if status or (not re.search(vm_name, output)):
if status == -2:
test.cancel("Reboot command doesn't work on older libvirt "
"versions")
test.fail("Run failed with right command")
finally:
xml_backup.sync()
def run(test, params, env):
"""
Test command: virsh domstate.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh domstate operation.
4.Recover test environment.
5.Confirm the test result.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
vm = env.get_vm(vm_name)
libvirtd_state = params.get("libvirtd", "on")
vm_ref = params.get("domstate_vm_ref")
status_error = (params.get("status_error", "no") == "yes")
extra = params.get("domstate_extra", "")
vm_action = params.get("domstate_vm_action", "")
vm_oncrash_action = params.get("domstate_vm_oncrash")
reset_action = "yes" == params.get("reset_action", "no")
dump_option = params.get("dump_option", "")
start_action = params.get("start_action", "normal")
kill_action = params.get("kill_action", "normal")
check_libvirtd_log = params.get("check_libvirtd_log", "no")
err_msg = params.get("err_msg", "")
remote_uri = params.get("remote_uri")
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
# Back up xml file.
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
backup_xml = vmxml.copy()
# Back up qemu.conf
qemu_conf = utils_config.LibvirtQemuConfig()
libvirtd = utils_libvirtd.Libvirtd()
# Config libvirtd log
if check_libvirtd_log == "yes":
libvirtd_conf = utils_config.LibvirtdConfig()
libvirtd_log_file = os.path.join(data_dir.get_tmp_dir(), "libvirtd.log")
libvirtd_conf["log_level"] = '1'
libvirtd_conf["log_filters"] = ('"1:json 1:libvirt 1:qemu 1:monitor '
'3:remote 4:event"')
libvirtd_conf["log_outputs"] = '"1:file:%s"' % libvirtd_log_file
logging.debug("the libvirtd config file content is:\n %s" %
libvirtd_conf)
libvirtd.restart()
# Get image file
image_source = vm.get_first_disk_devices()['source']
logging.debug("image source: %s" % image_source)
new_image_source = image_source + '.rename'
dump_path = os.path.join(data_dir.get_tmp_dir(), "dump/")
logging.debug("dump_path: %s", dump_path)
try:
os.mkdir(dump_path)
except OSError:
# If the path already exists then pass
pass
dump_file = ""
try:
# Let's have guest memory less so that dumping core takes
# time which doesn't timeout the testcase
if vm_oncrash_action in ['coredump-destroy', 'coredump-restart']:
memory_value = int(params.get("memory_value", "2097152"))
memory_unit = params.get("memory_unit", "KiB")
vmxml.set_memory(memory_value)
vmxml.set_memory_unit(memory_unit)
logging.debug(vmxml)
vmxml.sync()
if vm_action == "crash":
if vm.is_alive():
vm.destroy(gracefully=False)
vmxml.on_crash = vm_oncrash_action
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Add <panic> device to domain
panic_dev = Panic()
if "ppc" not in platform.machine():
panic_dev.addr_type = "isa"
panic_dev.addr_iobase = "0x505"
vmxml.add_device(panic_dev)
vmxml.sync()
# Config auto_dump_path in qemu.conf
qemu_conf.auto_dump_path = dump_path
libvirtd.restart()
if vm_oncrash_action in ['coredump-destroy', 'coredump-restart']:
dump_file = dump_path + "*" + vm_name[:20] + "-*"
# Start VM and check the panic device
virsh.start(vm_name, ignore_status=False)
vmxml_new = vm_xml.VMXML.new_from_dumpxml(vm_name)
# Skip this test if no panic device find
if not vmxml_new.xmltreefile.find('devices').findall('panic'):
test.cancel("No 'panic' device in the guest. Maybe your "
"libvirt version doesn't support it.")
try:
if vm_action == "suspend":
virsh.suspend(vm_name, ignore_status=False)
elif vm_action == "resume":
virsh.suspend(vm_name, ignore_status=False)
virsh.resume(vm_name, ignore_status=False)
elif vm_action == "destroy":
virsh.destroy(vm_name, ignore_status=False)
elif vm_action == "start":
virsh.destroy(vm_name, ignore_status=False)
if start_action == "rename":
# rename the guest image file to make guest fail to start
os.rename(image_source, new_image_source)
virsh.start(vm_name, ignore_status=True)
else:
virsh.start(vm_name, ignore_status=False)
if start_action == "restart_libvirtd":
libvirtd.restart()
elif vm_action == "kill":
if kill_action == "stop_libvirtd":
libvirtd.stop()
utils_misc.kill_process_by_pattern(vm_name)
libvirtd.restart()
elif kill_action == "reboot_vm":
virsh.reboot(vm_name, ignore_status=False)
utils_misc.kill_process_tree(vm.get_pid(), signal.SIGKILL)
else:
utils_misc.kill_process_tree(vm.get_pid(), signal.SIGKILL)
elif vm_action == "crash":
session = vm.wait_for_login()
session.cmd("service kdump stop", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
# Send key ALT-SysRq-c to crash VM, and command will not
# return as vm crashed, so fail early for 'destroy' and
# 'preserve' action. For 'restart', 'coredump-restart'
# and 'coredump-destroy' actions, they all need more time
# to dump core file or restart OS, so using the default
# session command timeout(60s)
try:
if vm_oncrash_action in ['destroy', 'preserve']:
timeout = 3
else:
timeout = 60
session.cmd("echo c > /proc/sysrq-trigger",
timeout=timeout)
except (ShellTimeoutError, ShellProcessTerminatedError):
pass
session.close()
elif vm_action == "dump":
dump_file = dump_path + "*" + vm_name + "-*"
virsh.dump(vm_name, dump_file, dump_option, ignore_status=False)
except process.CmdError as detail:
test.error("Guest prepare action error: %s" % detail)
if libvirtd_state == "off":
libvirtd.stop()
# Timing issue cause test to check domstate before prior action
# kill gets completed
if vm_action == "kill":
time.sleep(2)
if remote_uri:
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", None)
remote_user = params.get("remote_user", "root")
if remote_ip.count("EXAMPLE.COM"):
test.cancel("Test 'remote' parameters not setup")
ssh_key.setup_ssh_key(remote_ip, remote_user, remote_pwd)
result = virsh.domstate(vm_ref, extra, ignore_status=True,
debug=True, uri=remote_uri)
status = result.exit_status
output = result.stdout.strip()
# check status_error
if status_error:
if not status:
test.fail("Run successfully with wrong command!")
else:
if status or not output:
test.fail("Run failed with right command")
if extra.count("reason"):
if vm_action == "suspend":
# If not, will cost long time to destroy vm
virsh.destroy(vm_name)
if not output.count("user"):
test.fail(err_msg % vm_action)
elif vm_action == "resume":
if not output.count("unpaused"):
test.fail(err_msg % vm_action)
elif vm_action == "destroy":
if not output.count("destroyed"):
test.fail(err_msg % vm_action)
elif vm_action == "start":
if start_action == "rename":
if not output.count("shut off (failed)"):
test.fail(err_msg % vm_action)
else:
if not output.count("booted"):
test.fail(err_msg % vm_action)
elif vm_action == "kill":
if not output.count("crashed"):
test.fail(err_msg % vm_action)
elif vm_action == "crash":
if not check_crash_state(output, vm_oncrash_action,
vm_name, dump_file):
test.fail(err_msg % vm_action)
# VM will be in preserved state, perform virsh reset
# and check VM reboots and domstate reflects running
# state from crashed state as bug is observed here
if vm_oncrash_action == "preserve" and reset_action:
virsh_dargs = {'debug': True, 'ignore_status': True}
ret = virsh.reset(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.domstate(vm_name, extra,
**virsh_dargs).stdout.strip()
if "paused (crashed)" not in ret:
test.fail("vm fails to change state from crashed"
" to paused after virsh reset")
# it will be in paused (crashed) state after reset
# and resume is required for the vm to reboot
ret = virsh.resume(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
vm.wait_for_login()
cmd_output = virsh.domstate(vm_name,
'--reason').stdout.strip()
if "running" not in cmd_output:
test.fail("guest state failed to get updated")
if vm_oncrash_action in ['coredump-destroy',
'coredump-restart']:
if not find_dump_file:
test.fail("Core dump file is not created in dump "
"path: %s" % dump_path)
# For cover bug 1178652
if (vm_oncrash_action == "rename-restart" and
check_libvirtd_log == "yes"):
libvirtd.restart()
if not os.path.exists(libvirtd_log_file):
test.fail("Expected VM log file: %s not exists"
% libvirtd_log_file)
cmd = ("grep -nr '%s' %s" % (err_msg, libvirtd_log_file))
if not process.run(cmd, ignore_status=True, shell=True).exit_status:
test.fail("Find error message %s from log file: %s."
% (err_msg, libvirtd_log_file))
elif vm_action == "dump":
if dump_option == "--live":
if not output.count("running (unpaused)"):
test.fail(err_msg % vm_action)
elif dump_option == "--crash":
if not output.count("shut off (crashed)"):
test.fail(err_msg % vm_action)
if vm_ref == "remote":
if not (re.search("running", output) or
re.search("blocked", output) or
re.search("idle", output)):
test.fail("Run failed with right command")
finally:
qemu_conf.restore()
if check_libvirtd_log == "yes":
libvirtd_conf.restore()
if os.path.exists(libvirtd_log_file):
os.remove(libvirtd_log_file)
libvirtd.restart()
if vm_action == "start" and start_action == "rename":
os.rename(new_image_source, image_source)
if vm.is_alive():
vm.destroy(gracefully=False)
backup_xml.sync()
if os.path.exists(dump_path):
shutil.rmtree(dump_path)
def run(test, params, env):
"""
Test memory management of nvdimm
"""
vm_name = params.get('main_vm')
nvdimm_file = params.get('nvdimm_file')
check = params.get('check', '')
status_error = "yes" == params.get('status_error', 'no')
error_msg = params.get('error_msg', '')
qemu_checks = params.get('qemu_checks', '').split('`')
test_str = 'This is a test'
def check_boot_config(session):
"""
Check /boot/config-$KVER file
"""
check_list = [
'CONFIG_LIBNVDIMM=m', 'CONFIG_BLK_DEV_PMEM=m', 'CONFIG_ACPI_NFIT=m'
]
current_boot = session.cmd('uname -r').strip()
content = session.cmd('cat /boot/config-%s' % current_boot).strip()
for item in check_list:
if item in content:
logging.info(item)
else:
logging.error(item)
test.fail('/boot/config content not correct')
def check_file_in_vm(session, path, expect=True):
"""
Check whether the existance of file meets expectation
"""
exist = session.cmd_status('ls %s' % path)
logging.debug(exist)
exist = True if exist == 0 else False
status = '' if exist else 'NOT'
logging.info('File %s does %s exist', path, status)
if exist != expect:
err_msg = 'Existance doesn\'t meet expectation: %s ' % path
if expect:
err_msg += 'should exist.'
else:
err_msg += 'should not exist'
test.fail(err_msg)
def create_cpuxml():
"""
Create cpu xml for test
"""
cpu_params = {
k: v
for k, v in params.items() if k.startswith('cpuxml_')
}
logging.debug(cpu_params)
cpu_xml = vm_xml.VMCPUXML()
cpu_xml.xml = "<cpu><numa/></cpu>"
for attr_key in cpu_params:
val = cpu_params[attr_key]
logging.debug('Set cpu params')
setattr(cpu_xml, attr_key.replace('cpuxml_', ''),
eval(val) if ':' in val else val)
logging.debug(cpu_xml)
return cpu_xml.copy()
def create_nvdimm_xml(**mem_param):
"""
Create xml of nvdimm memory device
"""
mem_xml = utils_hotplug.create_mem_xml(
tg_size=mem_param['target_size'],
mem_addr={'slot': mem_param['address_slot']},
tg_sizeunit=mem_param['target_size_unit'],
tg_node=mem_param['target_node'],
mem_discard=mem_param.get('discard'),
mem_model="nvdimm",
lb_size=mem_param.get('label_size'),
lb_sizeunit=mem_param.get('label_size_unit'),
mem_access=mem_param['mem_access'])
source_xml = memory.Memory.Source()
source_xml.path = mem_param['source_path']
mem_xml.source = source_xml
logging.debug(mem_xml)
return mem_xml.copy()
def check_nvdimm_file(file_name):
"""
check if the file exists in nvdimm memory device
:param file_name: the file name in nvdimm device
"""
vm_session = vm.wait_for_login()
if test_str not in vm_session.cmd('cat /mnt/%s ' % file_name):
test.fail('"%s" should be in output' % test_str)
bkxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
if 'ppc64le' in platform.machine().lower():
if not libvirt_version.version_compare(6, 2, 0):
test.cancel('Libvirt version should be > 6.2.0'
' to support nvdimm on pseries')
try:
vm = env.get_vm(vm_name)
# Create nvdimm file on the host
process.run('truncate -s 512M %s' % nvdimm_file, verbose=True)
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
# Set cpu according to params
cpu_xml = create_cpuxml()
vmxml.cpu = cpu_xml
# Update other vcpu, memory info according to params
update_vm_args = {
k: params[k]
for k in params if k.startswith('setvm_')
}
logging.debug(update_vm_args)
for key, value in list(update_vm_args.items()):
attr = key.replace('setvm_', '')
logging.debug('Set %s = %s', attr, value)
setattr(vmxml, attr, int(value) if value.isdigit() else value)
logging.debug(virsh.dumpxml(vm_name))
# Add an nvdimm mem device to vm xml
nvdimm_params = {
k.replace('nvdimmxml_', ''): v
for k, v in params.items() if k.startswith('nvdimmxml_')
}
nvdimm_xml = create_nvdimm_xml(**nvdimm_params)
vmxml.add_device(nvdimm_xml)
if check in ['ppc_no_label', 'discard']:
result = virsh.define(vmxml.xml, debug=True)
libvirt.check_result(result, expected_fails=[error_msg])
return
vmxml.sync()
logging.debug(virsh.dumpxml(vm_name))
virsh.start(vm_name, debug=True, ignore_status=False)
# Check qemu command line one by one
map(libvirt.check_qemu_cmd_line, qemu_checks)
alive_vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
# Check if the guest support NVDIMM:
# check /boot/config-$KVER file
vm_session = vm.wait_for_login()
check_boot_config(vm_session)
# check /dev/pmem0 existed inside guest
check_file_in_vm(vm_session, '/dev/pmem0')
if check == 'back_file':
# Create a file system on /dev/pmem0
if platform.platform().count('el8'):
vm_session.cmd('mkfs.xfs -f /dev/pmem0 -m reflink=0')
else:
vm_session.cmd('mkfs.xfs -f /dev/pmem0')
vm_session.cmd('mount -o dax /dev/pmem0 /mnt')
vm_session.cmd('echo \"%s\" >/mnt/foo' % test_str)
vm_session.cmd('umount /mnt')
vm_session.close()
# Shutdown the guest, then start it, remount /dev/pmem0,
# check if the test file is still on the file system
vm.destroy()
vm.start()
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt')
if test_str not in vm_session.cmd('cat /mnt/foo'):
test.fail('\"%s\" should be in /mnt/foo' % test_str)
# From the host, check the file has changed:
host_output = process.run('hexdump -C /tmp/nvdimm',
shell=True,
verbose=True).stdout_text
if test_str not in host_output:
test.fail('\"%s\" should be in output' % test_str)
# Shutdown the guest, and edit the xml,
# include: access='private'
vm_session.close()
vm.destroy()
vm_devices = vmxml.devices
nvdimm_device = vm_devices.by_device_tag('memory')[0]
nvdimm_index = vm_devices.index(nvdimm_device)
vm_devices[nvdimm_index].mem_access = 'private'
vmxml.devices = vm_devices
vmxml.sync()
# Login to the guest, mount the /dev/pmem0 and .
# create a file: foo-private
vm.start()
vm_session = vm.wait_for_login()
libvirt.check_qemu_cmd_line('mem-path=/tmp/nvdimm,share=no')
private_str = 'This is a test for foo-private'
vm_session.cmd('mount -o dax /dev/pmem0 /mnt/')
file_private = 'foo-private'
vm_session.cmd("echo '%s' >/mnt/%s" % (private_str, file_private))
if private_str not in vm_session.cmd('cat /mnt/%s' % file_private):
test.fail('"%s" should be in output' % private_str)
# Shutdown the guest, then start it,
# check the file: foo-private is no longer existed
vm_session.close()
vm.destroy()
vm.start()
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt/')
if file_private in vm_session.cmd('ls /mnt/'):
test.fail('%s should not exist, for it was '
'created when access=private' % file_private)
if check == 'label_back_file':
# Create an xfs file system on /dev/pmem0
if platform.platform().count('el8'):
vm_session.cmd(
'mkfs.xfs -f -b size=4096 /dev/pmem0 -m reflink=0')
else:
vm_session.cmd('mkfs.xfs -f -b size=4096 /dev/pmem0')
# Mount the file system with DAX enabled for page cache bypass
output = vm_session.cmd_output('mount -o dax /dev/pmem0 /mnt/')
logging.info(output)
# Create a file on the nvdimm device.
test_str = 'This is a test with label'
vm_session.cmd('echo "%s" >/mnt/foo-label' % test_str)
if test_str not in vm_session.cmd('cat /mnt/foo-label '):
test.fail('"%s" should be in the output of cat cmd' % test_str)
# Reboot the guest, and remount the nvdimm device in the guest.
# Check the file foo-label is exited
vm_session.close()
virsh.reboot(vm_name, debug=True)
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt')
if test_str not in vm_session.cmd('cat /mnt/foo-label '):
test.fail('"%s" should be in output' % test_str)
if params.get('check_life_cycle', 'no') == 'yes':
virsh.managedsave(vm_name, ignore_status=False, debug=True)
vm.start()
check_nvdimm_file('foo-label')
vm_s1 = vm_name + ".s1"
virsh.save(vm_name, vm_s1, ignore_status=False, debug=True)
virsh.restore(vm_s1, ignore_status=False, debug=True)
check_nvdimm_file('foo-label')
virsh.snapshot_create_as(vm_name,
vm_s1,
ignore_status=False,
debug=True)
virsh.snapshot_revert(vm_name,
vm_s1,
ignore_status=False,
debug=True)
virsh.snapshot_delete(vm_name,
vm_s1,
ignore_status=False,
debug=True)
if check == 'hot_plug':
# Create file for 2nd nvdimm device
nvdimm_file_2 = params.get('nvdimm_file_2')
process.run('truncate -s 512M %s' % nvdimm_file_2)
# Add 2nd nvdimm device to vm xml
nvdimm2_params = {
k.replace('nvdimmxml2_', ''): v
for k, v in params.items() if k.startswith('nvdimmxml2_')
}
nvdimm2_xml = create_nvdimm_xml(**nvdimm2_params)
ori_devices = vm_xml.VMXML.new_from_dumpxml(vm_name).get_devices(
'memory')
logging.debug('Starts with %d memory devices', len(ori_devices))
result = virsh.attach_device(vm_name, nvdimm2_xml.xml, debug=True)
libvirt.check_exit_status(result)
# After attach, there should be an extra memory device
devices_after_attach = vm_xml.VMXML.new_from_dumpxml(
vm_name).get_devices('memory')
logging.debug('After detach, vm has %d memory devices',
len(devices_after_attach))
if len(ori_devices) != len(devices_after_attach) - 1:
test.fail(
'Number of memory devices after attach is %d, should be %d'
% (len(devices_after_attach), len(ori_devices) + 1))
time.sleep(5)
check_file_in_vm(vm_session, '/dev/pmem1')
nvdimm_detach = alive_vmxml.get_devices('memory')[-1]
logging.debug(nvdimm_detach)
# Hot-unplug nvdimm device
result = virsh.detach_device(vm_name,
nvdimm_detach.xml,
debug=True)
libvirt.check_exit_status(result)
vm_session.close()
vm_session = vm.wait_for_login()
virsh.dumpxml(vm_name, debug=True)
left_devices = vm_xml.VMXML.new_from_dumpxml(vm_name).get_devices(
'memory')
logging.debug(left_devices)
if len(left_devices) != len(ori_devices):
test.fail(
'Number of memory devices after detach is %d, should be %d'
% (len(left_devices), len(ori_devices)))
time.sleep(5)
check_file_in_vm(vm_session, '/dev/pmem1', expect=False)
finally:
if vm.is_alive():
vm.destroy(gracefully=False)
bkxml.sync()
os.remove(nvdimm_file)
def run(test, params, env):
"""
Test memory management of nvdimm
"""
vm_name = params.get('main_vm')
nvdimm_file = params.get('nvdimm_file')
check = params.get('check', '')
qemu_checks = params.get('qemu_checks', '').split('`')
test_str = 'This is a test!'
def check_boot_config(session):
"""
Check /boot/config-$KVER file
"""
check_list = [
'CONFIG_LIBNVDIMM=m',
'CONFIG_BLK_DEV_PMEM=m',
'CONFIG_ACPI_NFIT=m'
]
current_boot = session.cmd('uname -r').strip()
content = session.cmd('cat /boot/config-%s' % current_boot).strip()
for item in check_list:
if item in content:
logging.info(item)
else:
logging.error(item)
test.fail('/boot/config content not correct')
def check_file_in_vm(session, path, expect=True):
"""
Check whether the existance of file meets expectation
"""
exist = session.cmd_status('ls %s' % path)
logging.debug(exist)
exist = True if exist == 0 else False
status = '' if exist else 'NOT'
logging.info('File %s does %s exist', path, status)
if exist != expect:
err_msg = 'Existance doesn\'t meet expectation: %s ' % path
if expect:
err_msg += 'should exist.'
else:
err_msg += 'should not exist'
test.fail(err_msg)
def create_cpuxml():
"""
Create cpu xml for test
"""
cpu_params = {k: v for k, v in params.items() if k.startswith('cpuxml_')}
logging.debug(cpu_params)
cpu_xml = vm_xml.VMCPUXML()
cpu_xml.xml = "<cpu><numa/></cpu>"
for attr_key in cpu_params:
val = cpu_params[attr_key]
logging.debug('Set cpu params')
setattr(cpu_xml, attr_key.replace('cpuxml_', ''),
eval(val) if ':' in val else val)
logging.debug(cpu_xml)
return cpu_xml.copy()
def create_nvdimm_xml(**mem_param):
"""
Create xml of nvdimm memory device
"""
mem_xml = utils_hotplug.create_mem_xml(
tg_size=mem_param['target_size'],
mem_addr={'slot': mem_param['address_slot']},
tg_sizeunit=mem_param['target_size_unit'],
tg_node=mem_param['target_node'],
mem_model="nvdimm",
lb_size=mem_param.get('label_size'),
lb_sizeunit=mem_param.get('label_size_unit'),
mem_access=mem_param['mem_access']
)
source_xml = memory.Memory.Source()
source_xml.path = mem_param['source_path']
mem_xml.source = source_xml
logging.debug(mem_xml)
return mem_xml.copy()
bkxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
vm = env.get_vm(vm_name)
# Create nvdimm file on the host
process.run('truncate -s 512M %s' % nvdimm_file, verbose=True)
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
# Set cpu according to params
cpu_xml = create_cpuxml()
vmxml.cpu = cpu_xml
# Update other vcpu, memory info according to params
update_vm_args = {k: params[k] for k in params
if k.startswith('setvm_')}
logging.debug(update_vm_args)
for key, value in list(update_vm_args.items()):
attr = key.replace('setvm_', '')
logging.debug('Set %s = %s', attr, value)
setattr(vmxml, attr, int(value) if value.isdigit() else value)
logging.debug(virsh.dumpxml(vm_name))
# Add an nvdimm mem device to vm xml
nvdimm_params = {k.replace('nvdimmxml_', ''): v
for k, v in params.items() if k.startswith('nvdimmxml_')}
nvdimm_xml = create_nvdimm_xml(**nvdimm_params)
vmxml.add_device(nvdimm_xml)
vmxml.sync()
logging.debug(virsh.dumpxml(vm_name))
virsh.start(vm_name, debug=True, ignore_status=False)
# Check qemu command line one by one
map(libvirt.check_qemu_cmd_line, qemu_checks)
alive_vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
# Check if the guest support NVDIMM:
# check /boot/config-$KVER file
vm_session = vm.wait_for_login()
check_boot_config(vm_session)
# check /dev/pmem0 existed inside guest
check_file_in_vm(vm_session, '/dev/pmem0')
if check == 'back_file':
# Create an ext4 file system on /dev/pmem0
cmd_list = [
"mkfs.ext4 /dev/pmem0",
"mount -o dax /dev/pmem0 /mnt",
"echo '%s' >/mnt/foo" % test_str,
"umount /mnt"
]
map(vm_session.cmd, cmd_list)
vm_session.close()
# Shutdown the guest, then start it, remount /dev/pmem0,
# check if the test file is still on the file system
vm.destroy()
vm.start()
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt')
if test_str not in vm_session.cmd('cat /mnt/foo'):
test.fail('"%s" should be in /mnt/foo')
# From the host, check the file has changed:
host_output = process.run('hexdump -C /tmp/nvdimm',
shell=True, verbose=True).stdout_text
if test_str not in host_output:
test.fail('"%s" should be in output')
# Shutdown the guest, and edit the xml,
# include: access='private'
vm_session.close()
vm.destroy()
vm_devices = vmxml.devices
nvdimm_device = vm_devices.by_device_tag('memory')[0]
nvdimm_index = vm_devices.index(nvdimm_device)
vm_devices[nvdimm_index].mem_access = 'private'
vmxml.devices = vm_devices
vmxml.sync()
# Login to the guest, mount the /dev/pmem0 and .
# create a file: foo-private
vm.start()
vm_session = vm.wait_for_login()
libvirt.check_qemu_cmd_line('mem-path=/tmp/nvdimm,share=no')
private_str = 'This is a test for foo-private!'
vm_session.cmd('mount -o dax /dev/pmem0 /mnt/')
file_private = 'foo-private'
vm_session.cmd("echo '%s' >/mnt/%s" % (private_str, file_private))
if private_str not in vm_session.cmd('cat /mnt/%s' % file_private):
test.fail('"%s" should be in output' % private_str)
# Shutdown the guest, then start it,
# check the file: foo-private is no longer existed
vm_session.close()
vm.destroy()
vm.start()
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt/')
if file_private in vm_session.cmd('ls /mnt/'):
test.fail('%s should not exist, for it was '
'created when access=private' % file_private)
if check == 'label_back_file':
# Create an xfs file system on /dev/pmem0
vm_session.cmd('mkfs.xfs -f -b size=4096 /dev/pmem0')
# Mount the file system with DAX enabled for page cache bypass
output = vm_session.cmd_output('mount -o dax /dev/pmem0 /mnt/')
logging.info(output)
# Create a file on the nvdimm device.
test_str = 'This is a test with label'
vm_session.cmd('echo "%s" >/mnt/foo-label' % test_str)
if test_str not in vm_session.cmd('cat /mnt/foo-label '):
test.fail('"%s" should be in output' % test_str)
# Reboot the guest, and remount the nvdimm device in the guest.
# Check the file foo-label is exited
vm_session.close()
virsh.reboot(vm_name, debug=True)
vm_session = vm.wait_for_login()
vm_session.cmd('mount -o dax /dev/pmem0 /mnt')
if test_str not in vm_session.cmd('cat /mnt/foo-label '):
test.fail('"%s" should be in output' % test_str)
if check == 'hot_plug':
# Create file for 2nd nvdimm device
nvdimm_file_2 = params.get('nvdimm_file_2')
process.run('truncate -s 512M %s' % nvdimm_file_2)
# Add 2nd nvdimm device to vm xml
nvdimm2_params = {k.replace('nvdimmxml2_', ''): v
for k, v in params.items() if k.startswith('nvdimmxml2_')}
nvdimm2_xml = create_nvdimm_xml(**nvdimm2_params)
ori_devices = vm_xml.VMXML.new_from_dumpxml(vm_name).get_devices('memory')
logging.debug('Starts with %d memory devices', len(ori_devices))
result = virsh.attach_device(vm_name, nvdimm2_xml.xml, debug=True)
libvirt.check_exit_status(result)
# After attach, there should be an extra memory device
devices_after_attach = vm_xml.VMXML.new_from_dumpxml(vm_name).get_devices('memory')
logging.debug('After detach, vm has %d memory devices',
len(devices_after_attach))
if len(ori_devices) != len(devices_after_attach) - 1:
test.fail('Number of memory devices after attach is %d, should be %d'
% (len(devices_after_attach), len(ori_devices) + 1))
time.sleep(5)
check_file_in_vm(vm_session, '/dev/pmem1')
nvdimm_detach = alive_vmxml.get_devices('memory')[-1]
logging.debug(nvdimm_detach)
# Hot-unplug nvdimm device
result = virsh.detach_device(vm_name, nvdimm_detach.xml, debug=True)
libvirt.check_exit_status(result)
vm_session.close()
vm_session = vm.wait_for_login()
virsh.dumpxml(vm_name, debug=True)
left_devices = vm_xml.VMXML.new_from_dumpxml(vm_name).get_devices('memory')
logging.debug(left_devices)
if len(left_devices) != len(ori_devices):
test.fail('Number of memory devices after detach is %d, should be %d'
% (len(left_devices), len(ori_devices)))
time.sleep(5)
check_file_in_vm(vm_session, '/dev/pmem1', expect=False)
finally:
if vm.is_alive():
vm.destroy(gracefully=False)
bkxml.sync()
os.remove(nvdimm_file)
def run(test, params, env):
"""
LXC container life cycle testing by virsh command
"""
uri = params.get("connect_uri", "lxc:///")
vm_name = params.get("main_vm")
dom_type = params.get("lxc_domtype", "lxc")
vcpu = int(params.get("lxc_vcpu", 1))
max_mem = int(params.get("lxc_max_mem", 500000))
current_mem = int(params.get("lxc_current_mem", 500000))
os_type = params.get("lxc_ostype", "exe")
os_arch = params.get("lxc_osarch", "x86_64")
os_init = params.get("lxc_osinit", "/bin/sh")
emulator_path = params.get("lxc_emulator", "/usr/libexec/libvirt_lxc")
interface_type = params.get("lxc_interface_type", "network")
net_name = params.get("lxc_net_name", "default")
full_os = ("yes" == params.get("lxc_full_os", "no"))
install_root = params.get("lxc_install_root", "/")
fs_target = params.get("lxc_fs_target", "/")
fs_accessmode = params.get("lxc_fs_accessmode", "passthrough")
passwd = params.get("lxc_fs_passwd", "redhat")
def generate_container_xml():
"""
Generate container xml
"""
vmxml = vm_xml.VMXML(dom_type)
vmxml.vm_name = vm_name
vmxml.max_mem = max_mem
vmxml.current_mem = current_mem
vmxml.vcpu = vcpu
# Generate os
vm_os = vm_xml.VMOSXML()
vm_os.type = os_type
vm_os.arch = os_arch
vm_os.init = os_init
vmxml.os = vm_os
# Generate emulator
emulator = Emulator()
emulator.path = emulator_path
# Generate console
console = Console()
filesystem = Filesystem()
filesystem.accessmode = fs_accessmode
filesystem.source = {'dir': install_root}
filesystem.target = {'dir': fs_target}
# Add emulator and console in devices
devices = vm_xml.VMXMLDevices()
devices.append(emulator)
devices.append(console)
devices.append(filesystem)
# Add network device
network = Interface(type_name=interface_type)
network.mac_address = utils_net.generate_mac_address_simple()
network.source = {interface_type: net_name}
devices.append(network)
vmxml.set_devices(devices)
return vmxml
def check_state(expected_state):
result = virsh.domstate(vm_name, uri=uri)
utlv.check_exit_status(result)
vm_state = result.stdout.strip()
if vm_state == expected_state:
logging.info("Get expected state: %s", vm_state)
else:
raise TestFail("Get unexpected state: %s", vm_state)
virsh_args = {'uri': uri, 'debug': True}
try:
vmxml = generate_container_xml()
with open(vmxml.xml, 'r') as f:
logging.info("Container XML:\n%s", f.read())
if full_os:
if not os.path.exists(install_root):
os.mkdir(install_root)
# Install core os under installroot
cmd = "yum --releasever=/ --installroot=%s" % install_root
cmd += " --nogpgcheck -y groupinstall core"
process.run(cmd, shell=True)
# Fix root login on console
process.run("echo 'pts/0' >> %s/etc/securetty" % install_root,
shell=True)
for i in [
"session required pam_selinux.so close",
"session required pam_selinux.so open",
"session required pam_loginuid.so"
]:
process.run('sed -i s/"%s\"/"#%s"/g %s/etc/pam.d/login' %
(i, i, install_root),
shell=True)
# Fix root login for sshd
process.run('sed -i s/"%s\"/"#%s"/g %s/etc/pam.d/sshd' %
(i, i, install_root),
shell=True)
# Config basic network
net_file = install_root + '/etc/sysconfig/network'
with open(net_file, 'w') as f:
f.write('NETWORKING=yes\nHOSTNAME=%s\n' % vm_name)
net_script = install_root + '/etc/sysconfig/network-scripts/ifcfg-eth0'
with open(net_script, 'w') as f:
f.write('DEVICE=eth0\nBOOTPROTO=dhcp\nONBOOT=yes\n')
# Set root password and enable sshd
session = aexpect.ShellSession("chroot %s" % install_root)
session.sendline('echo %s|passwd root --stdin' % passwd)
session.sendline('chkconfig sshd on')
session.close()
# Create
result = virsh.create(vmxml.xml, **virsh_args)
utlv.check_exit_status(result)
check_state('running')
# Destroy
result = virsh.destroy(vm_name, **virsh_args)
utlv.check_exit_status(result)
if not virsh.domain_exists(vm_name, **virsh_args):
logging.info("Destroy transient LXC domain successfully")
else:
raise TestFail("Transient LXC domain still exist after destroy")
# Define
result = virsh.define(vmxml.xml, **virsh_args)
utlv.check_exit_status(result)
check_state('shut off')
# List
result = virsh.dom_list('--inactive', **virsh_args)
utlv.check_exit_status(result)
if re.findall("(%s)\s+shut off" % vm_name, result.stdout):
logging.info("Find %s in virsh list output", vm_name)
else:
raise TestFail("Not find %s in virsh list output")
# Dumpxml
result = virsh.dumpxml(vm_name, uri=uri, debug=False)
utlv.check_exit_status(result)
# Edit
edit_vcpu = '2'
logging.info("Change vcpu of LXC container to %s", edit_vcpu)
edit_cmd = [r":%s /[0-9]*<\/vcpu>/" + edit_vcpu + r"<\/vcpu>"]
if not utlv.exec_virsh_edit(vm_name, edit_cmd, connect_uri=uri):
raise TestFail("Run edit command fail")
else:
result = virsh.dumpxml(vm_name, **virsh_args)
new_vcpu = re.search(r'(\d*)</vcpu>', result.stdout).group(1)
if new_vcpu == edit_vcpu:
logging.info("vcpu number is expected after do edit")
else:
raise TestFail("vcpu number is unexpected after do edit")
# Start
result = virsh.start(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('running')
# Suspend
result = virsh.suspend(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('paused')
# Resume
result = virsh.resume(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('running')
# Reboot(not supported on RHEL6)
result = virsh.reboot(vm_name, **virsh_args)
supported_err = 'not supported by the connection driver: virDomainReboot'
if supported_err in result.stderr.strip():
logging.info("Reboot is not supported")
else:
utlv.check_exit_status(result)
# Destroy
result = virsh.destroy(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('shut off')
# Undefine
result = virsh.undefine(vm_name, **virsh_args)
utlv.check_exit_status(result)
if not virsh.domain_exists(vm_name, **virsh_args):
logging.info("Undefine LXC domain successfully")
else:
raise TestFail("LXC domain still exist after undefine")
finally:
virsh.remove_domain(vm_name, **virsh_args)
if full_os and os.path.exists(install_root):
shutil.rmtree(install_root)
def run(test, params, env):
"""
Test command: virsh reboot.
Run a reboot command in the target domain.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh reboot operation.
4.Recover test environment.(libvirts service)
5.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
# run test case
libvirtd = params.get("libvirtd", "on")
vm_ref = params.get("reboot_vm_ref")
status_error = ("yes" == params.get("status_error"))
extra = params.get("reboot_extra")
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
local_ip = params.get("local_ip", "LOCAL.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", "password")
agent = ("yes" == params.get("reboot_agent", "no"))
mode = params.get("reboot_mode", "")
pre_domian_status = params.get("reboot_pre_domian_status", "running")
xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Add or remove qemu-agent from guest before test
if agent:
vm_xml.VMXML.set_agent_channel(vm_name)
else:
vm_xml.VMXML.remove_agent_channel(vm_name)
virsh.start(vm_name)
guest_session = vm.wait_for_login()
if agent:
guest_session.cmd("qemu-ga -d")
stat_ps = guest_session.cmd_status("ps aux |grep [q]emu-ga")
guest_session.close()
if stat_ps:
raise error.TestError("Fail to start qemu-guest-agent!")
if pre_domian_status == "shutoff":
virsh.destroy(vm_name)
if libvirtd == "off":
utils_libvirtd.libvirtd_stop()
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "remote_name":
if remote_ip.count("EXAMPLE.COM") or local_ip.count("EXAMPLE.COM"):
raise error.TestNAError("remote_ip and/or local_ip parameters"
" not changed from default values")
complete_uri = libvirt_vm.complete_uri(local_ip)
try:
session = remote.remote_login("ssh", remote_ip, "22", "root",
remote_pwd, "#")
session.cmd_output('LANG=C')
command = "virsh -c %s reboot %s %s" % (complete_uri, vm_name,
mode)
status, output = session.cmd_status_output(command,
internal_timeout=5)
session.close()
# FIXME: Catch specific exception
except Exception, detail:
logging.error("Exception: %s", str(detail))
status = -1
if vm_ref != "remote_name":
vm_ref = "%s %s" % (vm_ref, extra)
cmdresult = virsh.reboot(vm_ref,
mode,
ignore_status=True,
debug=True)
status = cmdresult.exit_status
if status:
logging.debug("Error status, cmd error: %s", cmdresult.stderr)
if not virsh.has_command_help_match('reboot', '\s+--mode\s+'):
# old libvirt doesn't support reboot
status = -2
output = virsh.dom_list(ignore_status=True).stdout.strip()
# recover libvirtd service start
if libvirtd == "off":
utils_libvirtd.libvirtd_start()
# check status_error
if status_error:
if not status:
raise error.TestFail("Run successfully with wrong command!")
else:
if status or (not re.search(vm_name, output)):
if status == -2:
raise error.TestNAError(
"Reboot command doesn't work on older libvirt versions"
)
raise error.TestFail("Run failed with right command")
def run(test, params, env):
"""
Test command: virsh pool-define-as; pool-build; pool-start; vol-create-as;
vol-list; attach-device; login; mount and dd; reboot; check persistence;
detach-device; pool-destroy; pool-undefine; clear lv,vg and pv;
Create a libvirt npiv pool from a vHBA's device mapper device and create
a volume out of the newly created pool and attach it to a guest, mount it,
reboot and check persistence after reboot.
Pre-requisite :
Host should have a vHBA associated with a mpath device
"""
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pool_type = params.get("pool_type", "dir")
scsi_wwpn = params.get("scsi_wwpn", "WWPN_EXAMPLE")
scsi_wwnn = params.get("scsi_wwnn", "WWNN_EXAMPLE")
pool_target = params.get("pool_target", "pool_target")
target_device = params.get("disk_target_dev", "vda")
volume_name = params.get("volume_name", "imagefrommapper.qcow2")
volume_capacity = params.get("volume_capacity", '1G')
allocation = params.get("allocation", '1G')
frmt = params.get("volume_format", 'qcow2')
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
mount_disk = None
test_unit = None
if 'EXAMPLE' in scsi_wwnn or 'EXAMPLE' in scsi_wwpn:
raise exceptions.TestSkipError("Please provide proper WWPN/WWNN")
if not vm.is_alive():
vm.start()
pool_extra_args = ""
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir, vm.address_cache)
process.run("service multipathd restart", shell=True)
online_hbas_list = nodedev.find_hbas("hba")
first_online_hba = online_hbas_list[0]
old_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the old mpath devs are: %s" % old_mpath_devs)
new_vhbas = nodedev.nodedev_create_from_xml({
"nodedev_parent": first_online_hba,
"scsi_wwnn": scsi_wwnn,
"scsi_wwpn": scsi_wwpn
})
logging.info("Newly created vHBA %s" % new_vhbas)
process.run("service multipathd restart", shell=True)
utils_misc.wait_for(lambda: nodedev.is_mpath_devs_added(old_mpath_devs),
timeout=5)
cur_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the current mpath devs are: %s" % cur_mpath_devs)
new_mpath_devs = list(set(cur_mpath_devs).difference(set(old_mpath_devs)))
logging.debug("newly added mpath devs are: %s" % new_mpath_devs)
if not new_mpath_devs:
raise exceptions.TestFail("No newly added mpath devices found, \
please check your FC settings")
source_dev = os.path.join('/dev/mapper/', new_mpath_devs[0])
logging.debug("We are going to use \"%s\" as our source device"
" to create a logical pool" % source_dev)
cmd = "parted %s mklabel msdos -s" % source_dev
cmd_result = process.run(cmd, shell=True)
utlv.check_exit_status(cmd_result)
if source_dev:
pool_extra_args = ' --source-dev %s' % source_dev
else:
raise exceptions.TestFail(
"The vHBA %s does not have any associated mpath device" %
new_vhbas)
pool_ins = libvirt_storage.StoragePool()
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
# if no online hba cards on host, mark case failed
if not online_hbas_list:
raise exceptions.TestSkipError("Host doesn't have online hba cards")
try:
cmd_result = virsh.pool_define_as(pool_name,
pool_type,
pool_target,
pool_extra_args,
ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_build(pool_name)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
cmd_result = virsh.vol_create_as(volume_name,
pool_name,
volume_capacity,
allocation,
frmt,
"",
debug=True)
utlv.check_exit_status(cmd_result)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
logging.debug('Volume list %s', vol_list)
for unit in vol_list:
test_unit = vol_list[unit]
logging.debug(unit)
disk_params = {
'type_name': "file",
'target_dev': target_device,
'target_bus': "virtio",
'source_file': test_unit,
'driver_name': "qemu",
'driver_type': "raw"
}
disk_xml = utlv.create_disk_xml(disk_params)
session = vm.wait_for_login()
bf_disks = libvirt_vm.get_disks()
attach_success = virsh.attach_device(vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
output = session.cmd_status_output('lsblk', timeout=15)
logging.debug("%s", output[1])
session.cmd_status_output('mkfs.ext4 %s' % mount_disk)
if mount_disk:
logging.info("%s", mount_disk)
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Can not find mounted device")
session.close()
virsh.reboot(vm_name, debug=True)
session = vm.wait_for_login()
output = session.cmd_status_output('mount')
logging.debug("Mount output: %s", output[1])
if '/mnt' in output[1]:
logging.debug("Mount Successful accross reboot")
session.close()
status = virsh.detach_device(vm_name, disk_xml, debug=True)
utlv.check_exit_status(status)
finally:
vm.destroy(gracefully=False)
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
if test_unit:
process.system('lvremove -f %s' % test_unit, verbose=True)
process.system('vgremove -f %s' % pool_name, verbose=True)
process.system('pvremove -f %s' % source_dev, verbose=True)
if new_vhbas:
nodedev.vhbas_cleanup(new_vhbas.split())
process.run("service multipathd restart", shell=True)
def run(test, params, env):
"""
Test command: virsh reboot.
Run a reboot command in the target domain.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh reboot operation.
4.Recover test environment.(libvirts service)
5.Confirm the test result.
"""
def boot_time():
"""
Get guest boot time
"""
session = vm.wait_for_login()
def get_boot_time():
"""
Waiting for boot time getting when exception happened
"""
boot_time = None
try:
boot_time = session.cmd_output("uptime --since")
except (aexpect.ShellStatusError,
aexpect.ShellProcessTerminatedError) as e:
logging.error("Get boot_time error:%s" % e)
return boot_time
boot_time = utils_misc.wait_for(get_boot_time, 60)
session.close()
return boot_time
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
# run test case
libvirtd = params.get("libvirtd", "on")
vm_ref = params.get("reboot_vm_ref")
status_error = ("yes" == params.get("status_error"))
extra = params.get("reboot_extra", "")
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
local_ip = params.get("local_ip", "LOCAL.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", "password")
local_pwd = params.get("local_pwd", "password")
agent = ("yes" == params.get("reboot_agent", "no"))
mode = params.get("reboot_mode", "")
pre_domian_status = params.get("reboot_pre_domian_status", "running")
reboot_readonly = "yes" == params.get("reboot_readonly", "no")
wait_time = int(params.get('wait_time', 5))
xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Add or remove qemu-agent from guest before test
try:
vm.prepare_guest_agent(channel=agent, start=agent)
except virt_vm.VMError as e:
logging.debug(e)
# qemu-guest-agent is not available on REHL5
test.cancel("qemu-guest-agent package is not available")
if pre_domian_status == "shutoff":
virsh.destroy(vm_name)
if libvirtd == "off":
utils_libvirtd.libvirtd_stop()
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "remote_name":
if remote_ip.count("EXAMPLE.COM") or local_ip.count("EXAMPLE.COM"):
test.cancel("remote_ip and/or local_ip parameters"
" not changed from default values")
complete_uri = libvirt_vm.complete_uri(local_ip)
# Setup ssh connection
ssh_connection = utils_conn.SSHConnection(server_ip=local_ip,
server_pwd=local_pwd,
client_ip=remote_ip,
client_pwd=remote_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
try:
session = remote.remote_login("ssh", remote_ip, "22", "root",
remote_pwd, "#")
session.cmd_output('LANG=C')
command = "virsh -c %s reboot %s %s" % (complete_uri, vm_name,
mode)
status, output = session.cmd_status_output(command,
internal_timeout=5)
session.close()
if not status:
# the operation before the end of reboot
# may result in data corruption
vm.wait_for_login().close()
except (remote.LoginError, process.CmdError,
aexpect.ShellError) as e:
logging.error("Exception: %s", str(e))
status = -1
if vm_ref != "remote_name":
if not status_error:
# Not need to check the boot up time if it is a negative test
first_boot_time = boot_time()
vm_ref = "%s" % vm_ref
if extra:
vm_ref += " %s" % extra
cmdresult = virsh.reboot(vm_ref,
mode,
ignore_status=True,
debug=True)
status = cmdresult.exit_status
if status:
logging.debug("Error status, cmd error: %s", cmdresult.stderr)
if not virsh.has_command_help_match('reboot', '\s+--mode\s+'):
# old libvirt doesn't support reboot
status = -2
# avoid the check if it is negative test
if not status_error:
cmdoutput = ''
def _wait_for_reboot_up():
second_boot_time = boot_time()
is_rebooted = second_boot_time > first_boot_time
cmdoutput = virsh.domstate(vm_ref,
'--reason',
ignore_status=True,
debug=True)
domstate_status = cmdoutput.exit_status
output = "running" in cmdoutput.stdout
return not domstate_status and output and is_rebooted
if not wait.wait_for(
_wait_for_reboot_up, timeout=wait_time, step=1):
test.fail("Cmd error: %s Error status: %s" %
(cmdoutput.stderr, cmdoutput.stdout))
elif pre_domian_status != 'shutoff':
vm.wait_for_login().close()
output = virsh.dom_list(ignore_status=True).stdout.strip()
# Test the readonly mode
if reboot_readonly:
result = virsh.reboot(vm_ref,
ignore_status=True,
debug=True,
readonly=True)
libvirt.check_exit_status(result, expect_error=True)
# This is for status_error check
status = result.exit_status
# recover libvirtd service start
if libvirtd == "off":
utils_libvirtd.libvirtd_start()
# check status_error
if status_error:
if not status:
test.fail("Run successfully with wrong command!")
else:
if status or (not re.search(vm_name, output)):
if status == -2:
test.cancel("Reboot command doesn't work on older libvirt "
"versions")
test.fail("Run failed with right command")
finally:
xml_backup.sync()
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
def run(test, params, env):
"""
Test command: virsh domstate.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh domstate operation.
4.Recover test environment.
5.Confirm the test result.
"""
vm_name = params.get("main_vm", "avocado-vt-vm1")
vm = env.get_vm(vm_name)
libvirtd_state = params.get("libvirtd", "on")
vm_ref = params.get("domstate_vm_ref")
status_error = (params.get("status_error", "no") == "yes")
extra = params.get("domstate_extra", "")
vm_action = params.get("domstate_vm_action", "")
vm_oncrash_action = params.get("domstate_vm_oncrash")
reset_action = "yes" == params.get("reset_action", "no")
dump_option = params.get("dump_option", "")
start_action = params.get("start_action", "normal")
kill_action = params.get("kill_action", "normal")
check_libvirtd_log = params.get("check_libvirtd_log", "no")
err_msg = params.get("err_msg", "")
remote_uri = params.get("remote_uri")
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
# Back up xml file.
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
backup_xml = vmxml.copy()
# Back up qemu.conf
qemu_conf = utils_config.LibvirtQemuConfig()
libvirtd = utils_libvirtd.Libvirtd()
# Config libvirtd log
if check_libvirtd_log == "yes":
libvirtd_conf = utils_config.LibvirtdConfig()
libvirtd_log_file = os.path.join(data_dir.get_tmp_dir(),
"libvirtd.log")
libvirtd_conf["log_level"] = '1'
libvirtd_conf["log_filters"] = ('"1:json 1:libvirt 1:qemu 1:monitor '
'3:remote 4:event"')
libvirtd_conf["log_outputs"] = '"1:file:%s"' % libvirtd_log_file
logging.debug("the libvirtd config file content is:\n %s" %
libvirtd_conf)
libvirtd.restart()
# Get image file
image_source = vm.get_first_disk_devices()['source']
logging.debug("image source: %s" % image_source)
new_image_source = image_source + '.rename'
dump_path = os.path.join(data_dir.get_tmp_dir(), "dump/")
logging.debug("dump_path: %s", dump_path)
try:
os.mkdir(dump_path)
except OSError:
# If the path already exists then pass
pass
dump_file = ""
try:
# Let's have guest memory less so that dumping core takes
# time which doesn't timeout the testcase
if vm_oncrash_action in ['coredump-destroy', 'coredump-restart']:
memory_value = int(params.get("memory_value", "2097152"))
memory_unit = params.get("memory_unit", "KiB")
vmxml.set_memory(memory_value)
vmxml.set_memory_unit(memory_unit)
logging.debug(vmxml)
vmxml.sync()
if vm_action == "crash":
if vm.is_alive():
vm.destroy(gracefully=False)
vmxml.on_crash = vm_oncrash_action
if not vmxml.xmltreefile.find('devices').findall('panic'):
# Add <panic> device to domain
panic_dev = Panic()
if "ppc" not in platform.machine():
panic_dev.addr_type = "isa"
panic_dev.addr_iobase = "0x505"
vmxml.add_device(panic_dev)
vmxml.sync()
# Config auto_dump_path in qemu.conf
qemu_conf.auto_dump_path = dump_path
libvirtd.restart()
if vm_oncrash_action in ['coredump-destroy', 'coredump-restart']:
dump_file = dump_path + "*" + vm_name[:20] + "-*"
# Start VM and check the panic device
virsh.start(vm_name, ignore_status=False)
vmxml_new = vm_xml.VMXML.new_from_dumpxml(vm_name)
# Skip this test if no panic device find
if not vmxml_new.xmltreefile.find('devices').findall('panic'):
test.cancel("No 'panic' device in the guest. Maybe your "
"libvirt version doesn't support it.")
try:
if vm_action == "suspend":
virsh.suspend(vm_name, ignore_status=False)
elif vm_action == "resume":
virsh.suspend(vm_name, ignore_status=False)
virsh.resume(vm_name, ignore_status=False)
elif vm_action == "destroy":
virsh.destroy(vm_name, ignore_status=False)
elif vm_action == "start":
virsh.destroy(vm_name, ignore_status=False)
if start_action == "rename":
# rename the guest image file to make guest fail to start
os.rename(image_source, new_image_source)
virsh.start(vm_name, ignore_status=True)
else:
virsh.start(vm_name, ignore_status=False)
if start_action == "restart_libvirtd":
libvirtd.restart()
elif vm_action == "kill":
if kill_action == "stop_libvirtd":
libvirtd.stop()
utils_misc.kill_process_by_pattern(vm_name)
libvirtd.restart()
elif kill_action == "reboot_vm":
virsh.reboot(vm_name, ignore_status=False)
utils_misc.kill_process_tree(vm.get_pid(), signal.SIGKILL)
else:
utils_misc.kill_process_tree(vm.get_pid(), signal.SIGKILL)
elif vm_action == "crash":
session = vm.wait_for_login()
session.cmd("service kdump stop", ignore_all_errors=True)
# Enable sysRq
session.cmd("echo 1 > /proc/sys/kernel/sysrq")
# Send key ALT-SysRq-c to crash VM, and command will not
# return as vm crashed, so fail early for 'destroy' and
# 'preserve' action. For 'restart', 'coredump-restart'
# and 'coredump-destroy' actions, they all need more time
# to dump core file or restart OS, so using the default
# session command timeout(60s)
try:
if vm_oncrash_action in ['destroy', 'preserve']:
timeout = 3
else:
timeout = 60
session.cmd("echo c > /proc/sysrq-trigger",
timeout=timeout)
except (ShellTimeoutError, ShellProcessTerminatedError):
pass
session.close()
elif vm_action == "dump":
dump_file = dump_path + "*" + vm_name + "-*"
virsh.dump(vm_name,
dump_file,
dump_option,
ignore_status=False)
except process.CmdError as detail:
test.error("Guest prepare action error: %s" % detail)
if libvirtd_state == "off":
libvirtd.stop()
# Timing issue cause test to check domstate before prior action
# kill gets completed
if vm_action == "kill":
utils_misc.wait_for(vm.is_dead, timeout=20)
if remote_uri:
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", None)
remote_user = params.get("remote_user", "root")
if remote_ip.count("EXAMPLE.COM"):
test.cancel("Test 'remote' parameters not setup")
ssh_key.setup_ssh_key(remote_ip, remote_user, remote_pwd)
result = virsh.domstate(vm_ref,
extra,
ignore_status=True,
debug=True,
uri=remote_uri)
status = result.exit_status
output = result.stdout.strip()
# check status_error
if status_error:
if not status:
if libvirtd_state == "off" and libvirt_version.version_compare(
5, 6, 0):
logging.info(
"From libvirt version 5.6.0 libvirtd is restarted "
"and command should succeed.")
else:
test.fail("Run successfully with wrong command!")
else:
if status or not output:
test.fail("Run failed with right command")
if extra.count("reason"):
if vm_action == "suspend":
# If not, will cost long time to destroy vm
virsh.destroy(vm_name)
if not output.count("user"):
test.fail(err_msg % vm_action)
elif vm_action == "resume":
if not output.count("unpaused"):
test.fail(err_msg % vm_action)
elif vm_action == "destroy":
if not output.count("destroyed"):
test.fail(err_msg % vm_action)
elif vm_action == "start":
if start_action == "rename":
if not output.count("shut off (failed)"):
test.fail(err_msg % vm_action)
else:
if not output.count("booted"):
test.fail(err_msg % vm_action)
elif vm_action == "kill":
if not output.count("crashed"):
test.fail(err_msg % vm_action)
elif vm_action == "crash":
if not check_crash_state(output, vm_oncrash_action,
vm_name, dump_file):
test.fail(err_msg % vm_action)
# VM will be in preserved state, perform virsh reset
# and check VM reboots and domstate reflects running
# state from crashed state as bug is observed here
if vm_oncrash_action == "preserve" and reset_action:
virsh_dargs = {'debug': True, 'ignore_status': True}
ret = virsh.reset(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
ret = virsh.domstate(vm_name, extra,
**virsh_dargs).stdout.strip()
if "paused (crashed)" not in ret:
test.fail("vm fails to change state from crashed"
" to paused after virsh reset")
# it will be in paused (crashed) state after reset
# and resume is required for the vm to reboot
ret = virsh.resume(vm_name, **virsh_dargs)
libvirt.check_exit_status(ret)
vm.wait_for_login()
cmd_output = virsh.domstate(vm_name,
'--reason').stdout.strip()
if "running" not in cmd_output:
test.fail("guest state failed to get updated")
if vm_oncrash_action in [
'coredump-destroy', 'coredump-restart'
]:
if not find_dump_file:
test.fail("Core dump file is not created in dump "
"path: %s" % dump_path)
# For cover bug 1178652
if (vm_oncrash_action == "rename-restart"
and check_libvirtd_log == "yes"):
libvirtd.restart()
if not os.path.exists(libvirtd_log_file):
test.fail("Expected VM log file: %s not exists" %
libvirtd_log_file)
cmd = ("grep -nr '%s' %s" %
(err_msg, libvirtd_log_file))
if not process.run(cmd, ignore_status=True,
shell=True).exit_status:
test.fail(
"Find error message %s from log file: %s." %
(err_msg, libvirtd_log_file))
elif vm_action == "dump":
if dump_option == "--live":
if not output.count("running (unpaused)"):
test.fail(err_msg % vm_action)
elif dump_option == "--crash":
if not output.count("shut off (crashed)"):
test.fail(err_msg % vm_action)
if vm_ref == "remote":
if not (re.search("running", output) or re.search(
"blocked", output) or re.search("idle", output)):
test.fail("Run failed with right command")
finally:
qemu_conf.restore()
if check_libvirtd_log == "yes":
libvirtd_conf.restore()
if os.path.exists(libvirtd_log_file):
os.remove(libvirtd_log_file)
libvirtd.restart()
if vm_action == "start" and start_action == "rename":
os.rename(new_image_source, image_source)
if vm.is_alive():
vm.destroy(gracefully=False)
backup_xml.sync()
if os.path.exists(dump_path):
shutil.rmtree(dump_path)
def run(test, params, env):
"""
Test command: virsh pool-define-as; pool-build; pool-start; vol-create-as;
vol-list; attach-device; login; mount and dd; reboot; check persistence;
detach-device; pool-destroy; pool-undefine; clear lv,vg and pv;
Create a libvirt npiv pool from a vHBA's device mapper device and create
a volume out of the newly created pool and attach it to a guest, mount it,
reboot and check persistence after reboot.
Pre-requisite :
Host should have a vHBA associated with a mpath device
"""
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pool_type = params.get("pool_type", "dir")
scsi_wwpn = params.get("scsi_wwpn", "WWPN_EXAMPLE")
scsi_wwnn = params.get("scsi_wwnn", "WWNN_EXAMPLE")
pool_target = params.get("pool_target", "pool_target")
target_device = params.get("disk_target_dev", "vda")
volume_name = params.get("volume_name", "imagefrommapper.qcow2")
volume_capacity = params.get("volume_capacity", '1G')
allocation = params.get("allocation", '1G')
frmt = params.get("volume_format", 'qcow2')
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
mount_disk = None
test_unit = None
if 'EXAMPLE' in scsi_wwnn or 'EXAMPLE' in scsi_wwpn:
raise exceptions.TestSkipError("Please provide proper WWPN/WWNN")
if not vm.is_alive():
vm.start()
pool_extra_args = ""
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir,
vm.address_cache)
process.run("service multipathd restart", shell=True)
online_hbas_list = nodedev.find_hbas("hba")
first_online_hba = online_hbas_list[0]
old_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the old mpath devs are: %s" % old_mpath_devs)
new_vhbas = nodedev.nodedev_create_from_xml(
{"nodedev_parent": first_online_hba,
"scsi_wwnn": scsi_wwnn,
"scsi_wwpn": scsi_wwpn})
logging.info("Newly created vHBA %s" % new_vhbas)
process.run("service multipathd restart", shell=True)
utils_misc.wait_for(
lambda: nodedev.is_mpath_devs_added(old_mpath_devs), timeout=5)
cur_mpath_devs = nodedev.find_mpath_devs()
logging.debug("the current mpath devs are: %s" % cur_mpath_devs)
new_mpath_devs = list(set(cur_mpath_devs).difference(
set(old_mpath_devs)))
logging.debug("newly added mpath devs are: %s" % new_mpath_devs)
if not new_mpath_devs:
raise exceptions.TestFail("No newly added mpath devices found, \
please check your FC settings")
source_dev = os.path.join('/dev/mapper/', new_mpath_devs[0])
logging.debug("We are going to use \"%s\" as our source device"
" to create a logical pool" % source_dev)
cmd = "parted %s mklabel msdos -s" % source_dev
cmd_result = process.run(cmd, shell=True)
utlv.check_exit_status(cmd_result)
if source_dev:
pool_extra_args = ' --source-dev %s' % source_dev
else:
raise exceptions.TestFail(
"The vHBA %s does not have any associated mpath device" % new_vhbas)
pool_ins = libvirt_storage.StoragePool()
if pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
# if no online hba cards on host, mark case failed
if not online_hbas_list:
raise exceptions.TestSkipError("Host doesn't have online hba cards")
try:
cmd_result = virsh.pool_define_as(
pool_name, pool_type, pool_target, pool_extra_args, ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_build(pool_name)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
cmd_result = virsh.vol_create_as(
volume_name, pool_name, volume_capacity, allocation, frmt, "", debug=True)
utlv.check_exit_status(cmd_result)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
logging.debug('Volume list %s', vol_list)
for unit in vol_list:
test_unit = vol_list[unit]
logging.debug(unit)
disk_params = {'type_name': "file", 'target_dev': target_device,
'target_bus': "virtio", 'source_file': test_unit,
'driver_name': "qemu", 'driver_type': "raw"}
disk_xml = utlv.create_disk_xml(disk_params)
session = vm.wait_for_login()
bf_disks = libvirt_vm.get_disks()
attach_success = virsh.attach_device(
vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
output = session.cmd_status_output('lsblk', timeout=15)
logging.debug("%s", output[1])
session.cmd_status_output('mkfs.ext4 %s' % mount_disk)
if mount_disk:
logging.info("%s", mount_disk)
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Can not find mounted device")
session.close()
virsh.reboot(vm_name, debug=True)
session = vm.wait_for_login()
output = session.cmd_status_output('mount')
logging.debug("Mount output: %s", output[1])
if '/mnt' in output[1]:
logging.debug("Mount Successful accross reboot")
session.close()
status = virsh.detach_device(vm_name, disk_xml,
debug=True)
utlv.check_exit_status(status)
finally:
vm.destroy(gracefully=False)
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
if test_unit:
process.system('lvremove -f %s' % test_unit, verbose=True)
process.system('vgremove -f %s' % pool_name, verbose=True)
process.system('pvremove -f %s' % source_dev, verbose=True)
if new_vhbas:
nodedev.vhbas_cleanup(new_vhbas.split())
process.run("service multipathd restart", shell=True)
def run(test, params, env):
"""
LXC container life cycle testing by virsh command
"""
uri = params.get("connect_uri", "lxc:///")
vm_name = params.get("main_vm")
dom_type = params.get("lxc_domtype", "lxc")
vcpu = int(params.get("lxc_vcpu", 1))
max_mem = int(params.get("lxc_max_mem", 500000))
current_mem = int(params.get("lxc_current_mem", 500000))
os_type = params.get("lxc_ostype", "exe")
os_arch = params.get("lxc_osarch", "x86_64")
os_init = params.get("lxc_osinit", "/bin/sh")
emulator_path = params.get("lxc_emulator",
"/usr/libexec/libvirt_lxc")
interface_type = params.get("lxc_interface_type", "network")
net_name = params.get("lxc_net_name", "default")
full_os = ("yes" == params.get("lxc_full_os", "no"))
install_root = params.get("lxc_install_root", "/")
fs_target = params.get("lxc_fs_target", "/")
fs_accessmode = params.get("lxc_fs_accessmode", "passthrough")
passwd = params.get("lxc_fs_passwd", "redhat")
def generate_container_xml():
"""
Generate container xml
"""
vmxml = vm_xml.VMXML(dom_type)
vmxml.vm_name = vm_name
vmxml.max_mem = max_mem
vmxml.current_mem = current_mem
vmxml.vcpu = vcpu
# Generate os
vm_os = vm_xml.VMOSXML()
vm_os.type = os_type
vm_os.arch = os_arch
vm_os.init = os_init
vmxml.os = vm_os
# Generate emulator
emulator = Emulator()
emulator.path = emulator_path
# Generate console
console = Console()
filesystem = Filesystem()
filesystem.accessmode = fs_accessmode
filesystem.source = {'dir': install_root}
filesystem.target = {'dir': fs_target}
# Add emulator and console in devices
devices = vm_xml.VMXMLDevices()
devices.append(emulator)
devices.append(console)
devices.append(filesystem)
# Add network device
network = Interface(type_name=interface_type)
network.mac_address = utils_net.generate_mac_address_simple()
network.source = {interface_type: net_name}
devices.append(network)
vmxml.set_devices(devices)
return vmxml
def check_state(expected_state):
result = virsh.domstate(vm_name, uri=uri)
utlv.check_exit_status(result)
vm_state = result.stdout.strip()
if vm_state == expected_state:
logging.info("Get expected state: %s", vm_state)
else:
raise TestFail("Get unexpected state: %s", vm_state)
virsh_args = {'uri': uri, 'debug': True}
try:
vmxml = generate_container_xml()
with open(vmxml.xml, 'r') as f:
logging.info("Container XML:\n%s", f.read())
if full_os:
if not os.path.exists(install_root):
os.mkdir(install_root)
# Install core os under installroot
cmd = "yum --releasever=/ --installroot=%s" % install_root
cmd += " --nogpgcheck -y groupinstall core"
process.run(cmd, shell=True)
# Fix root login on console
process.run("echo 'pts/0' >> %s/etc/securetty" % install_root,
shell=True)
for i in ["session required pam_selinux.so close",
"session required pam_selinux.so open",
"session required pam_loginuid.so"]:
process.run('sed -i s/"%s\"/"#%s"/g %s/etc/pam.d/login' %
(i, i, install_root), shell=True)
# Fix root login for sshd
process.run('sed -i s/"%s\"/"#%s"/g %s/etc/pam.d/sshd' %
(i, i, install_root), shell=True)
# Config basic network
net_file = install_root + '/etc/sysconfig/network'
with open(net_file, 'w') as f:
f.write('NETWORKING=yes\nHOSTNAME=%s\n' % vm_name)
net_script = install_root + '/etc/sysconfig/network-scripts/ifcfg-eth0'
with open(net_script, 'w') as f:
f.write('DEVICE=eth0\nBOOTPROTO=dhcp\nONBOOT=yes\n')
# Set root password and enable sshd
session = aexpect.ShellSession("chroot %s" % install_root)
session.sendline('echo %s|passwd root --stdin' % passwd)
session.sendline('chkconfig sshd on')
session.close()
# Create
result = virsh.create(vmxml.xml, **virsh_args)
utlv.check_exit_status(result)
check_state('running')
# Destroy
result = virsh.destroy(vm_name, **virsh_args)
utlv.check_exit_status(result)
if not virsh.domain_exists(vm_name, **virsh_args):
logging.info("Destroy transient LXC domain successfully")
else:
raise TestFail("Transient LXC domain still exist after destroy")
# Define
result = virsh.define(vmxml.xml, **virsh_args)
utlv.check_exit_status(result)
check_state('shut off')
# List
result = virsh.dom_list('--inactive', **virsh_args)
utlv.check_exit_status(result)
if re.findall("(%s)\s+shut off" % vm_name, result.stdout):
logging.info("Find %s in virsh list output", vm_name)
else:
raise TestFail("Not find %s in virsh list output")
# Dumpxml
result = virsh.dumpxml(vm_name, uri=uri, debug=False)
utlv.check_exit_status(result)
# Edit
edit_vcpu = '2'
logging.info("Change vcpu of LXC container to %s", edit_vcpu)
edit_cmd = [r":%s /[0-9]*<\/vcpu>/" + edit_vcpu + r"<\/vcpu>"]
if not utlv.exec_virsh_edit(vm_name, edit_cmd, connect_uri=uri):
raise TestFail("Run edit command fail")
else:
result = virsh.dumpxml(vm_name, **virsh_args)
new_vcpu = re.search(r'(\d*)</vcpu>', result.stdout).group(1)
if new_vcpu == edit_vcpu:
logging.info("vcpu number is expected after do edit")
else:
raise TestFail("vcpu number is unexpected after do edit")
# Start
result = virsh.start(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('running')
# Suspend
result = virsh.suspend(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('paused')
# Resume
result = virsh.resume(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('running')
# Reboot(not supported on RHEL6)
result = virsh.reboot(vm_name, **virsh_args)
supported_err = 'not supported by the connection driver: virDomainReboot'
if supported_err in result.stderr.strip():
logging.info("Reboot is not supported")
else:
utlv.check_exit_status(result)
# Destroy
result = virsh.destroy(vm_name, **virsh_args)
utlv.check_exit_status(result)
check_state('shut off')
# Undefine
result = virsh.undefine(vm_name, **virsh_args)
utlv.check_exit_status(result)
if not virsh.domain_exists(vm_name, **virsh_args):
logging.info("Undefine LXC domain successfully")
else:
raise TestFail("LXC domain still exist after undefine")
finally:
virsh.remove_domain(vm_name, **virsh_args)
if full_os and os.path.exists(install_root):
shutil.rmtree(install_root)
def run(test, params, env):
"""
Test command: virsh reboot.
Run a reboot command in the target domain.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh reboot operation.
4.Recover test environment.(libvirts service)
5.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
# run test case
libvirtd = params.get("libvirtd", "on")
vm_ref = params.get("reboot_vm_ref")
status_error = ("yes" == params.get("status_error"))
extra = params.get("reboot_extra", "")
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
local_ip = params.get("local_ip", "LOCAL.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", "password")
agent = ("yes" == params.get("reboot_agent", "no"))
mode = params.get("reboot_mode", "")
pre_domian_status = params.get("reboot_pre_domian_status", "running")
reboot_readonly = "yes" == params.get("reboot_readonly", "no")
xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Add or remove qemu-agent from guest before test
try:
vm.prepare_guest_agent(channel=agent, start=agent)
except virt_vm.VMError as e:
logging.debug(e)
# qemu-guest-agent is not available on REHL5
test.cancel("qemu-guest-agent package is not available")
if pre_domian_status == "shutoff":
virsh.destroy(vm_name)
if libvirtd == "off":
utils_libvirtd.libvirtd_stop()
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "remote_name":
if remote_ip.count("EXAMPLE.COM") or local_ip.count("EXAMPLE.COM"):
test.cancel("remote_ip and/or local_ip parameters"
" not changed from default values")
complete_uri = libvirt_vm.complete_uri(local_ip)
try:
session = remote.remote_login("ssh", remote_ip, "22", "root",
remote_pwd, "#")
session.cmd_output('LANG=C')
command = "virsh -c %s reboot %s %s" % (complete_uri, vm_name,
mode)
status, output = session.cmd_status_output(command,
internal_timeout=5)
session.close()
if not status:
# the operation before the end of reboot
# may result in data corruption
vm.wait_for_login().close()
except (remote.LoginError, process.CmdError,
aexpect.ShellError) as e:
logging.error("Exception: %s", str(e))
status = -1
if vm_ref != "remote_name":
vm_ref = "%s" % vm_ref
if extra:
vm_ref += " %s" % extra
cmdresult = virsh.reboot(vm_ref,
mode,
ignore_status=True,
debug=True)
status = cmdresult.exit_status
if status:
logging.debug("Error status, cmd error: %s", cmdresult.stderr)
if not virsh.has_command_help_match('reboot', '\s+--mode\s+'):
# old libvirt doesn't support reboot
status = -2
else:
vm.wait_for_login().close()
output = virsh.dom_list(ignore_status=True).stdout.strip()
# Test the readonly mode
if reboot_readonly:
result = virsh.reboot(vm_ref,
ignore_status=True,
debug=True,
readonly=True)
libvirt.check_exit_status(result, expect_error=True)
# This is for status_error check
status = result.exit_status
# recover libvirtd service start
if libvirtd == "off":
utils_libvirtd.libvirtd_start()
# check status_error
if status_error:
if not status:
test.fail("Run successfully with wrong command!")
else:
if status or (not re.search(vm_name, output)):
if status == -2:
test.cancel("Reboot command doesn't work on older libvirt "
"versions")
test.fail("Run failed with right command")
finally:
xml_backup.sync()
def run_test(dev_type, params, test_obj=None):
"""
Test domain lifecycle
1) Start the vm and check network
2) Destroy and start the VM, and check network
3) Save and restore, and check network
4) Suspend and resume, and check network
5) Reboot the VM and check the network
"""
# Setup Iface device
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
iface_dict = eval(params.get('iface_dict', '{}'))
iface_dev = interface_base.create_iface(dev_type, iface_dict)
libvirt.add_vm_device(vmxml, iface_dev)
logging.info("Start a VM with a '%s' type interface.", dev_type)
vm.start()
vm.wait_for_serial_login(timeout=240).close()
check_points.check_network_accessibility(vm,
test_obj=test_obj,
**params)
logging.info("Destroy and start the VM.")
virsh.destroy(vm.name, **VIRSH_ARGS)
virsh.start(vm.name, **VIRSH_ARGS)
check_points.check_network_accessibility(vm,
test_obj=test_obj,
config_vdpa=True,
**params)
logging.info("Save the VM.")
save_error = "yes" == params.get("save_error", "no")
save_path = os.path.join(data_dir.get_tmp_dir(), vm.name + '.save')
res = virsh.save(vm.name, 'sss', debug=True)
libvirt.check_exit_status(res, expect_error=save_error)
if not save_error:
logging.info("Restore vm.")
virsh.restore(save_path, **VIRSH_ARGS)
check_points.check_network_accessibility(vm,
test_obj=test_obj,
config_vdpa=False,
**params)
logging.info("Suspend and resume the vm.")
virsh.suspend(vm.name, **VIRSH_ARGS)
if not libvirt.check_vm_state(vm_name, "paused"):
test.fail("VM should be paused!")
virsh.resume(vm.name, **VIRSH_ARGS)
if not libvirt.check_vm_state(vm_name, "running"):
test.fail("VM should be running!")
check_points.check_network_accessibility(vm,
test_obj=test_obj,
config_vdpa=False,
**params)
logging.debug("Reboot VM and check network.")
virsh.reboot(vm.name, **VIRSH_ARGS)
check_points.check_network_accessibility(vm,
test_obj=test_obj,
config_vdpa=False,
**params)
def run(test, params, env):
"""
Test command: virsh reboot.
Run a reboot command in the target domain.
1.Prepare test environment.
2.When the libvirtd == "off", stop the libvirtd service.
3.Perform virsh reboot operation.
4.Recover test environment.(libvirts service)
5.Confirm the test result.
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
# run test case
libvirtd = params.get("libvirtd", "on")
vm_ref = params.get("reboot_vm_ref")
status_error = ("yes" == params.get("status_error"))
extra = params.get("reboot_extra")
remote_ip = params.get("remote_ip", "REMOTE.EXAMPLE.COM")
local_ip = params.get("local_ip", "LOCAL.EXAMPLE.COM")
remote_pwd = params.get("remote_pwd", "password")
agent = ("yes" == params.get("reboot_agent", "no"))
mode = params.get("reboot_mode", "")
pre_domian_status = params.get("reboot_pre_domian_status", "running")
xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
try:
# Add or remove qemu-agent from guest before test
if agent:
vm_xml.VMXML.set_agent_channel(vm_name)
else:
vm_xml.VMXML.remove_agent_channel(vm_name)
virsh.start(vm_name)
guest_session = vm.wait_for_login()
if agent:
if guest_session.cmd_status("which qemu-ga"):
raise error.TestNAError("Cannot execute this test for domain"
" doesn't have qemu-ga command!")
# check if the qemu-guest-agent is active or not firstly
stat_ps = guest_session.cmd_status("ps aux |grep [q]emu-ga")
if stat_ps != 0:
s, o = guest_session.cmd_status_output("qemu-ga -d")
if s != 0:
raise error.TestError("'qemu-ga -d' failed.\noutput:%s" % o)
stat_ps = guest_session.cmd_status("ps aux |grep [q]emu-ga")
guest_session.close()
if stat_ps:
raise error.TestError("Fail to start qemu-guest-agent!")
if pre_domian_status == "shutoff":
virsh.destroy(vm_name)
if libvirtd == "off":
utils_libvirtd.libvirtd_stop()
domid = vm.get_id()
domuuid = vm.get_uuid()
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "name":
vm_ref = vm_name
elif vm_ref == "uuid":
vm_ref = domuuid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "remote_name":
if remote_ip.count("EXAMPLE.COM") or local_ip.count("EXAMPLE.COM"):
raise error.TestNAError("remote_ip and/or local_ip parameters"
" not changed from default values")
complete_uri = libvirt_vm.complete_uri(local_ip)
try:
session = remote.remote_login("ssh", remote_ip, "22", "root",
remote_pwd, "#")
session.cmd_output('LANG=C')
command = "virsh -c %s reboot %s %s" % (complete_uri, vm_name,
mode)
status, output = session.cmd_status_output(command,
internal_timeout=5)
session.close()
# FIXME: Catch specific exception
except Exception, detail:
logging.error("Exception: %s", str(detail))
status = -1
if vm_ref != "remote_name":
vm_ref = "%s %s" % (vm_ref, extra)
cmdresult = virsh.reboot(vm_ref, mode,
ignore_status=True, debug=True)
status = cmdresult.exit_status
if status:
logging.debug("Error status, cmd error: %s", cmdresult.stderr)
if not virsh.has_command_help_match('reboot', '\s+--mode\s+'):
# old libvirt doesn't support reboot
status = -2
output = virsh.dom_list(ignore_status=True).stdout.strip()
# recover libvirtd service start
if libvirtd == "off":
utils_libvirtd.libvirtd_start()
# check status_error
if status_error:
if not status:
raise error.TestFail("Run successfully with wrong command!")
else:
if status or (not re.search(vm_name, output)):
if status == -2:
raise error.TestNAError(
"Reboot command doesn't work on older libvirt versions")
raise error.TestFail("Run failed with right command")
logging.debug("%s", output[1])
old_count = vmxml.get_disk_count(vm_name)
bf_disks = libvirt_vm.get_disks()
disk_params = {'type_name': 'volume', 'target_dev': target_device,
'target_bus': 'virtio', 'source_pool': pool_name,
'source_volume': test_unit, 'driver_type': 'raw'}
disk_xml = os.path.join(data_dir.get_tmp_dir(), 'disk_xml.xml')
lun_disk_xml = utlv.create_disk_xml(disk_params)
copyfile(lun_disk_xml, disk_xml)
attach_success = virsh.attach_device(
vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
virsh.reboot(vm_name, debug=True)
logging.info("Checking disk availability in domain")
if not vmxml.get_disk_count(vm_name):
raise exceptions.TestFail("No disk in domain %s." % vm_name)
new_count = vmxml.get_disk_count(vm_name)
if new_count <= old_count:
raise exceptions.TestFail(
"Failed to attach disk %s" % lun_disk_xml)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
logging.debug("Disks before attach: %s", bf_disks)
def run(test, params, env):
"""
Test command: virsh pool-define;pool-start;vol-list pool;
attach-device LUN to guest; mount the device, dd; unmount;
reboot guest; mount the device, dd again; pool-destroy; pool-undefine;
Create a libvirt npiv pool from an XML file. The test needs to have a wwpn
and wwnn of a vhba in host which is zoned & mapped to a SAN controller.
Pre-requiste:
Host needs to have a wwpn and wwnn of a vHBA which is zoned and mapped to
SAN controller.
"""
pool_xml_f = params.get("pool_create_xml_file", "/PATH/TO/POOL.XML")
pool_name = params.get("pool_create_name", "virt_test_pool_tmp")
pre_def_pool = "yes" == params.get("pre_def_pool", "no")
pool_type = params.get("pool_type", "dir")
source_format = params.get("pool_src_format", "")
source_name = params.get("pool_source_name", "")
source_path = params.get("pool_source_path", "/")
pool_target = params.get("pool_target", "pool_target")
pool_adapter_type = params.get("pool_adapter_type", "")
pool_adapter_parent = params.get("pool_adapter_parent", "")
target_device = params.get("pool_target_device", "sdc")
pool_wwnn = params.get("pool_wwnn", "WWNN_EXAMPLE")
pool_wwpn = params.get("pool_wwpn", "WWPN_EXAMPLE")
test_unit = None
mount_disk = None
if 'EXAMPLE' in pool_wwnn or 'EXAMPLE' in pool_wwpn:
raise exceptions.TestSkipError("Please provide proper WWPN/WWNN")
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
if not vm.is_alive():
vm.start()
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml_backup = vmxml.copy()
libvirt_vm = lib_vm.VM(vm_name, vm.params, vm.root_dir,
vm.address_cache)
pool_ins = libvirt_storage.StoragePool()
if pre_def_pool and pool_ins.pool_exists(pool_name):
raise exceptions.TestFail("Pool %s already exist" % pool_name)
online_hbas_list = nodedev.find_hbas("hba")
logging.debug("The online hbas are: %s", online_hbas_list)
# if no online hba cards on host test fails
if not online_hbas_list:
raise exceptions.TestSkipError("Host doesn't have online hba cards")
else:
if pool_adapter_parent == "":
pool_adapter_parent = online_hbas_list[0]
kwargs = {'source_path': source_path,
'source_name': source_name,
'source_format': source_format,
'pool_adapter_type': pool_adapter_type,
'pool_adapter_parent': pool_adapter_parent,
'pool_wwnn': pool_wwnn,
'pool_wwpn': pool_wwpn}
pvt = utlv.PoolVolumeTest(test, params)
emulated_image = "emulated-image"
old_vhbas = nodedev.find_hbas("vhba")
try:
pvt.pre_pool(pool_name, pool_type, pool_target, emulated_image,
**kwargs)
utils_misc.wait_for(
lambda: nodedev.is_vhbas_added(old_vhbas), _DELAY_TIME)
virsh.pool_dumpxml(pool_name, to_file=pool_xml_f)
virsh.pool_destroy(pool_name)
except Exception as e:
pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image, **kwargs)
raise exceptions.TestError(
"Error occurred when prepare pool xml:\n %s" % e)
if os.path.exists(pool_xml_f):
with open(pool_xml_f, 'r') as f:
logging.debug("Create pool from file:\n %s", f.read())
try:
cmd_result = virsh.pool_define(pool_xml_f, ignore_status=True,
debug=True)
utlv.check_exit_status(cmd_result)
cmd_result = virsh.pool_start(pool_name)
utlv.check_exit_status(cmd_result)
utlv.check_actived_pool(pool_name)
pool_detail = libvirt_xml.PoolXML.get_pool_details(pool_name)
logging.debug("Pool detail: %s", pool_detail)
vol_list = utlv.get_vol_list(pool_name, timeout=10)
test_unit = list(vol_list.keys())[0]
logging.info(
"Using the first LUN unit %s to attach to a guest", test_unit)
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
old_count = vmxml.get_disk_count(vm_name)
bf_disks = libvirt_vm.get_disks()
disk_params = {'type_name': 'volume', 'target_dev': target_device,
'target_bus': 'virtio', 'source_pool': pool_name,
'source_volume': test_unit, 'driver_type': 'raw'}
disk_xml = os.path.join(data_dir.get_tmp_dir(), 'disk_xml.xml')
lun_disk_xml = utlv.create_disk_xml(disk_params)
copyfile(lun_disk_xml, disk_xml)
attach_success = virsh.attach_device(
vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
virsh.reboot(vm_name, debug=True)
logging.info("Checking disk availability in domain")
if not vmxml.get_disk_count(vm_name):
raise exceptions.TestFail("No disk in domain %s." % vm_name)
new_count = vmxml.get_disk_count(vm_name)
if new_count <= old_count:
raise exceptions.TestFail(
"Failed to attach disk %s" % lun_disk_xml)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
logging.debug("Disks before attach: %s", bf_disks)
af_disks = libvirt_vm.get_disks()
logging.debug("Disks after attach: %s", af_disks)
mount_disk = "".join(list(set(bf_disks) ^ set(af_disks)))
if not mount_disk:
raise exceptions.TestFail("Can not get attached device in vm.")
logging.debug("Attached device in vm:%s", mount_disk)
logging.debug("Creating file system for %s", mount_disk)
output = session.cmd_status_output(
'echo yes | mkfs.ext4 %s' % mount_disk)
logging.debug("%s", output[1])
if mount_disk:
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Mount failed")
else:
raise exceptions.TestFail("Partition not available for disk")
logging.debug("Unmounting disk")
session.cmd_status_output('umount %s' % mount_disk)
virsh.reboot(vm_name, debug=True)
session = vm.wait_for_login()
output = session.cmd_status_output('mount')
logging.debug("%s", output[1])
mount_success = mount_and_dd(session, mount_disk)
if not mount_success:
raise exceptions.TestFail("Mount failed")
logging.debug("Unmounting disk")
session.cmd_status_output('umount %s' % mount_disk)
session.close()
detach_status = virsh.detach_device(vm_name, disk_xml,
debug=True)
utlv.check_exit_status(detach_status)
finally:
vm.destroy(gracefully=False)
vmxml_backup.sync()
logging.debug('Destroying pool %s', pool_name)
virsh.pool_destroy(pool_name)
logging.debug('Undefining pool %s', pool_name)
virsh.pool_undefine(pool_name)
pvt.cleanup_pool(pool_name, pool_type, pool_target,
emulated_image, **kwargs)
if os.path.exists(pool_xml_f):
os.remove(pool_xml_f)
if os.path.exists(disk_xml):
logging.debug("Cleanup disk xml")
data_dir.clean_tmp_files()
'type_name': 'volume',
'target_dev': target_device,
'target_bus': 'virtio',
'source_pool': pool_name,
'source_volume': test_unit,
'driver_type': 'raw'
}
disk_xml = os.path.join(data_dir.get_tmp_dir(), 'disk_xml.xml')
lun_disk_xml = utlv.create_disk_xml(disk_params)
copyfile(lun_disk_xml, disk_xml)
attach_success = virsh.attach_device(vm_name, disk_xml, debug=True)
utlv.check_exit_status(attach_success)
virsh.reboot(vm_name, debug=True)
logging.info("Checking disk availability in domain")
if not vmxml.get_disk_count(vm_name):
raise exceptions.TestFail("No disk in domain %s." % vm_name)
new_count = vmxml.get_disk_count(vm_name)
if new_count <= old_count:
raise exceptions.TestFail("Failed to attach disk %s" %
lun_disk_xml)
session = vm.wait_for_login()
output = session.cmd_status_output('lsblk')
logging.debug("%s", output[1])
logging.debug("Disks before attach: %s", bf_disks)
