def do_stress_migration(vms, srcuri, desturi, migration_type, test, params,
thread_timeout=60):
"""
Migrate vms with stress.
:param vms: migrated vms.
:param srcuri: connect uri for source machine
:param desturi: connect uri for destination machine
:param migration_type: type of migration to be performed
:param params: Test dict params
:param thread_timeout: default timeout for migration thread
:raise: test.fail if migration fails
"""
migrate_setup = migration.MigrationTest()
options = params.get("migrate_options")
ping_count = int(params.get("ping_count", 10))
migrate_times = 1
migrate_back = params.get("virsh_migrate_back", "no") == "yes"
if migrate_back:
migrate_times = int(params.get("virsh_migrate_there_and_back", 1))
uptime = {}
for vm in vms:
uptime[vm.name] = vm.uptime()
logging.info("uptime of VM %s: %s", vm.name, uptime[vm.name])
migrate_setup.ping_vm(vm, params, ping_count=ping_count)
logging.debug("Starting migration...")
migrate_options = ("%s --timeout %s"
% (options, params.get("virsh_migrate_timeout", 60)))
for each_time in range(migrate_times):
logging.debug("Migrating vms from %s to %s for %s time", srcuri,
desturi, each_time + 1)
try:
migrate_setup.do_migration(vms, srcuri, desturi, migration_type,
options=migrate_options,
thread_timeout=thread_timeout)
except Exception as info:
test.fail(info)
uptime = migrate_setup.post_migration_check(vms, params, uptime,
uri=desturi)
if migrate_back and "cross" not in migration_type:
migrate_setup.migrate_pre_setup(srcuri, params)
logging.debug("Migrating back to source from %s to %s for %s time",
desturi, srcuri, each_time + 1)
try:
migrate_setup.do_migration(vms, desturi, srcuri, migration_type,
options=migrate_options,
thread_timeout=thread_timeout,
virsh_uri=desturi)
except Exception as info:
test.fail(info)
uptime = migrate_setup.post_migration_check(vms, params, uptime)
migrate_setup.migrate_pre_setup(srcuri, params, cleanup=True)
def copied_migration(test, vms, vms_ip, params):
"""
Migrate vms with storage copied.
:param test: The test object
:param vms: VM list
:param vms_ip: Dict for VM's IP
:param params: The parameters for the migration
:return: MigrationTest object
:raise: test.fail if anything goes wrong
"""
dest_uri = params.get("migrate_dest_uri")
remote_host = params.get("migrate_dest_host")
copy_option = params.get("copy_storage_option", "")
username = params.get("migrate_dest_user", "root")
password = params.get("migrate_dest_pwd")
timeout = int(params.get("thread_timeout", 1200))
status_error = params.get("status_error", "no")
options = "--live %s" % copy_option
cp_mig = migration.MigrationTest()
cp_mig.do_migration(vms,
None,
dest_uri,
"orderly",
options,
timeout,
ignore_status=True,
status_error=status_error)
check_ip_failures = []
if cp_mig.RET_MIGRATION:
for vm in vms:
try:
utils_test.check_dest_vm_network(vm, vms_ip[vm.name],
remote_host, username,
password)
except exceptions.TestFail as detail:
check_ip_failures.append(str(detail))
else:
for vm in vms:
cp_mig.cleanup_dest_vm(vm, None, dest_uri)
check_output(test, str(cp_mig.ret), params)
test.fail("Migrate vms with storage copied failed.")
if len(check_ip_failures):
test.fail("Check IP failed:%s" % check_ip_failures)
return cp_mig
def run_migration_back(params, test):
"""
Execute migration back from target host to source host
:param params: dict, test parameters
:param test: test object
"""
migrate_vm_back = "yes" == params.get("migrate_vm_back", "no")
vm_name = params.get("migrate_main_vm")
options = params.get("virsh_migrate_options", "--live --verbose")
if migrate_vm_back:
ssh_connection = utils_conn.SSHConnection(
server_ip=params.get("client_ip"),
server_pwd=params.get("local_pwd"),
client_ip=params.get("server_ip"),
client_pwd=params.get("server_pwd"))
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
src_full_uri = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
migration_test = migration.MigrationTest()
migration_test.migrate_pre_setup(src_full_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name, options, src_full_uri)
test.log.debug("Start migration: %s", cmd)
runner_on_target = remote.RemoteRunner(
host=params.get("remote_ip"),
username=params.get("remote_user"),
password=params.get("remote_pwd"))
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
test.log.info(cmd_result)
if cmd_result.exit_status:
destroy_cmd = "virsh destroy %s" % vm_name
remote.run_remote_cmd(destroy_cmd,
params,
runner_on_target,
ignore_status=False)
test.fail("Failed to run '%s' on remote: %s" % (cmd, cmd_result))
else:
test.log.debug("No need to migrate back")
def cleanup_test_default(vm, params, test):
"""
Cleanup steps by default
:param vm: VM object
:param params: dict, test parameters
:param test: test object
"""
test.log.debug("Recover test environment")
# Clean VM on destination and source
try:
migration_test = migration.MigrationTest()
dest_uri = params.get("virsh_migrate_desturi")
migration_test.cleanup_dest_vm(vm, vm.connect_uri, dest_uri)
if vm.is_alive():
vm.destroy(gracefully=False)
except Exception as err:
test.log.error(err)
def run(test, params, env):
"""
Test migration under stress.
"""
vm_names = params.get("vms").split()
if len(vm_names) < 2:
test.cancel("Provide enough vms for migration")
src_uri = "qemu:///system"
dest_uri = libvirt_vm.complete_uri(params.get("migrate_dest_host",
"EXAMPLE"))
if dest_uri.count('///') or dest_uri.count('EXAMPLE'):
test.cancel("The dest_uri '%s' is invalid" % dest_uri)
# Migrated vms' instance
vms = env.get_all_vms()
params["load_vms"] = list(vms)
cpu = int(params.get("smp", 1))
memory = int(params.get("mem")) * 1024
stress_tool = params.get("stress_tool", "")
remote_stress = params.get("migration_stress_remote", "no") == "yes"
host_stress = params.get("migration_stress_host", "no") == "yes"
vms_stress = params.get("migration_stress_vms", "no") == "yes"
vm_bytes = params.get("stress_vm_bytes", "128M")
stress_args = params.get("%s_args" % stress_tool)
migration_type = params.get("migration_type")
start_migration_vms = params.get("start_migration_vms", "yes") == "yes"
thread_timeout = int(params.get("thread_timeout", 120))
ubuntu_dep = ['build-essential', 'git']
hstress = rstress = None
vstress = {}
# Set vm_bytes for start_cmd
mem_total = utils_memory.memtotal()
vm_reserved = len(vms) * memory
if vm_bytes == "half":
vm_bytes = (mem_total - vm_reserved) / 2
elif vm_bytes == "shortage":
vm_bytes = mem_total - vm_reserved + 524288
if "vm-bytes" in stress_args:
params["%s_args" % stress_tool] = stress_args % vm_bytes
# Ensure stress tool is available in host
if host_stress:
# remove package manager installed tool to avoid conflict
if not utils_package.package_remove(stress_tool):
logging.error("Existing %s is not removed")
if "stress-ng" in stress_tool and 'Ubuntu' in utils_misc.get_distro():
params['stress-ng_dependency_packages_list'] = ubuntu_dep
try:
hstress = utils_test.HostStress(stress_tool, params)
hstress.load_stress_tool()
except utils_test.StressError as info:
test.error(info)
if remote_stress:
try:
server_ip = params['remote_ip']
server_pwd = params['remote_pwd']
server_user = params.get('remote_user', 'root')
remote_session = remote.wait_for_login('ssh', server_ip, '22', server_user,
server_pwd, r"[\#\$]\s*$")
# remove package manager installed tool to avoid conflict
if not utils_package.package_remove(stress_tool, session=remote_session):
logging.error("Existing %s is not removed")
if("stess-ng" in stress_tool and
'Ubuntu' in utils_misc.get_distro(session=remote_session)):
params['stress-ng_dependency_packages_list'] = ubuntu_dep
rstress = utils_test.HostStress(stress_tool, params, remote_server=True)
rstress.load_stress_tool()
remote_session.close()
except utils_test.StressError as info:
remote_session.close()
test.error(info)
for vm in vms:
# Keep vm dead for edit
if vm.is_alive():
vm.destroy()
set_cpu_memory(vm.name, cpu, memory)
try:
if start_migration_vms:
for vm in vms:
vm.start()
session = vm.wait_for_login()
# remove package manager installed tool to avoid conflict
if not utils_package.package_remove(stress_tool, session=session):
logging.error("Existing %s is not removed")
# configure stress in VM
if vms_stress:
if("stress-ng" in stress_tool and
'Ubuntu' in utils_misc.get_distro(session=session)):
params['stress-ng_dependency_packages_list'] = ubuntu_dep
try:
vstress[vm.name] = utils_test.VMStress(vm, stress_tool, params)
vstress[vm.name].load_stress_tool()
except utils_test.StressError as info:
session.close()
test.error(info)
session.close()
do_stress_migration(vms, src_uri, dest_uri, migration_type, test,
params, thread_timeout)
finally:
logging.debug("Cleanup vms...")
for vm in vms:
migration.MigrationTest().cleanup_dest_vm(vm, None, dest_uri)
# Try to start vms in source once vms in destination are
# cleaned up
if not vm.is_alive():
vm.start()
vm.wait_for_login()
try:
if vstress[vm.name]:
vstress[vm.name].unload_stress()
except KeyError:
continue
if rstress:
rstress.unload_stress()
if hstress:
hstress.unload_stress()
def run(test, params, env):
"""
Test storage migration
1) Do storage migration(copy-storage-all/copy-storage-inc) with
TLS encryption - NBD transport
2) Cancel storage migration with TLS encryption
3) Copy only the top image for storage migration with backing chain
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def prepare_nfs_backingfile(vm, params):
"""
Create an image using nfs type backing_file
:param vm: The guest
:param params: the parameters used
"""
mnt_path_name = params.get("nfs_mount_dir", "nfs-mount")
exp_opt = params.get("export_options", "rw,no_root_squash,fsid=0")
exp_dir = params.get("export_dir", "nfs-export")
backingfile_img = params.get("source_dist_img", "nfs-img")
disk_format = params.get("disk_format", "qcow2")
img_name = params.get("img_name", "test.img")
precreation = "yes" == params.get("precreation", "yes")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm.name)
disk_xml = vmxml.devices.by_device_tag('disk')[0]
src_disk_format = disk_xml.xmltreefile.find('driver').get('type')
first_disk = vm.get_first_disk_devices()
blk_source = first_disk['source']
disk_img = os.path.join(os.path.dirname(blk_source), img_name)
res = libvirt.setup_or_cleanup_nfs(True, mnt_path_name, is_mount=True,
export_options=exp_opt,
export_dir=exp_dir)
mnt_path = res["mount_dir"]
params["selinux_status_bak"] = res["selinux_status_bak"]
if vm.is_alive():
vm.destroy(gracefully=False)
disk_cmd = ("qemu-img convert -f %s -O %s %s %s/%s" %
(src_disk_format, disk_format,
blk_source, mnt_path, backingfile_img))
process.run(disk_cmd, ignore_status=False, verbose=True)
local_image_list.append("%s/%s" % (mnt_path, backingfile_img))
logging.debug("Create a local image backing on NFS.")
disk_cmd = ("qemu-img create -f %s -b %s/%s %s" %
(disk_format, mnt_path, backingfile_img, disk_img))
process.run(disk_cmd, ignore_status=False, verbose=True)
local_image_list.append(disk_img)
if precreation:
logging.debug("Create an image backing on NFS on remote host.")
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
utils_misc.make_dirs(os.path.dirname(blk_source), remote_session)
status, stdout = utils_misc.cmd_status_output(
disk_cmd, session=remote_session)
logging.debug("status: {}, stdout: {}".format(status, stdout))
remote_image_list.append("%s/%s" % (mnt_path, backingfile_img))
remote_image_list.append(disk_img)
remote_session.close()
params.update({'disk_source_name': disk_img,
'disk_type': 'file',
'disk_source_protocol': 'file'})
libvirt.set_vm_disk(vm, params)
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Local variables
server_ip = params["server_ip"] = params.get("remote_ip")
server_user = params["server_user"] = params.get("remote_user", "root")
server_pwd = params["server_pwd"] = params.get("remote_pwd")
client_ip = params["client_ip"] = params.get("local_ip")
client_pwd = params["client_pwd"] = params.get("local_pwd")
virsh_options = params.get("virsh_options", "")
copy_storage_option = params.get("copy_storage_option")
extra = params.get("virsh_migrate_extra", "")
options = params.get("virsh_migrate_options", "--live --verbose")
backingfile_type = params.get("backingfile_type")
check_str_local_log = params.get("check_str_local_log", "")
disk_format = params.get("disk_format", "qcow2")
log_file = params.get("log_outputs", "/var/log/libvirt/libvirtd.log")
daemon_conf_dict = eval(params.get("daemon_conf_dict", '{}'))
cancel_migration = "yes" == params.get("cancel_migration", "no")
migrate_again = "yes" == params.get("migrate_again", "no")
precreation = "yes" == params.get("precreation", "yes")
tls_recovery = "yes" == params.get("tls_auto_recovery", "yes")
func_params_exists = "yes" == params.get("func_params_exists", "no")
status_error = "yes" == params.get("status_error", "no")
local_image_list = []
remote_image_list = []
tls_obj = None
func_name = None
daemon_conf = None
mig_result = None
remote_session = None
vm_session = None
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
extra = "{} {}".format(extra, copy_storage_option)
extra_args = {}
if func_params_exists:
extra_args.update({'func_params': params})
if cancel_migration:
func_name = migration_test.do_cancel
# For safety reasons, we'd better back up xmlfile.
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = vmxml.copy()
try:
if backingfile_type:
if backingfile_type == "nfs":
prepare_nfs_backingfile(vm, params)
if extra.count("copy-storage-all") and precreation:
blk_source = vm.get_first_disk_devices()['source']
vsize = utils_misc.get_image_info(blk_source).get("vsize")
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
utils_misc.make_dirs(os.path.dirname(blk_source), remote_session)
disk_cmd = ("qemu-img create -f %s %s %s" %
(disk_format, blk_source, vsize))
status, stdout = utils_misc.cmd_status_output(
disk_cmd, session=remote_session)
logging.debug("status: {}, stdout: {}".format(status, stdout))
remote_image_list.append(blk_source)
remote_session.close()
# Update libvirtd configuration
if daemon_conf_dict:
if os.path.exists(log_file):
os.remove(log_file)
daemon_conf = libvirt.customize_libvirt_config(daemon_conf_dict)
if extra.count("--tls"):
tls_obj = TLSConnection(params)
if tls_recovery:
tls_obj.auto_recover = True
tls_obj.conn_setup()
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
vm_session = vm.wait_for_login(restart_network=True)
migration_test.ping_vm(vm, params)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms, None, dest_uri, 'orderly',
options, thread_timeout=900,
ignore_status=True, virsh_opt=virsh_options,
extra_opts=extra, func=func_name,
**extra_args)
mig_result = migration_test.ret
migration_test.check_result(mig_result, params)
if migrate_again and status_error:
logging.debug("Sleeping 10 seconds before rerun migration")
time.sleep(10)
if cancel_migration:
func_name = None
params["status_error"] = "no"
migration_test.do_migration(vms, None, dest_uri, 'orderly',
options, thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
extra_opts=extra, func=func_name,
**extra_args)
mig_result = migration_test.ret
migration_test.check_result(mig_result, params)
if int(mig_result.exit_status) == 0:
migration_test.ping_vm(vm, params, uri=dest_uri)
if check_str_local_log:
libvirt.check_logfile(check_str_local_log, log_file)
finally:
logging.debug("Recover test environment")
# Clean VM on destination and source
try:
migration_test.cleanup_dest_vm(vm, vm.connect_uri, dest_uri)
if vm.is_alive():
vm.destroy(gracefully=False)
except Exception as err:
logging.error(err)
logging.info("Recovery VM XML configration")
orig_config_xml.sync()
if daemon_conf:
logging.debug("Recover the configurations")
libvirt.customize_libvirt_config(None, is_recover=True,
config_object=daemon_conf)
if tls_obj:
logging.debug("Clean up local objs")
del tls_obj
for source_file in local_image_list:
libvirt.delete_local_disk("file", path=source_file)
for img in remote_image_list:
remote.run_remote_cmd("rm -rf %s" % img, params)
if remote_session:
remote_session.close()
def run(test, params, env):
"""
Run the test
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
libvirt_version.is_libvirt_feature_supported(params)
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
bk_uri = vm.connect_uri
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
extra_args = migration_test.update_virsh_migrate_extra_args(params)
extra = params.get("virsh_migrate_extra")
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
options = params.get("virsh_migrate_options",
"--live --p2p --persistent --verbose")
virsh_options = params.get("virsh_options", "")
stress_package = params.get("stress_package")
action_during_mig = params.get("action_during_mig")
migrate_speed = params.get("migrate_speed")
migrate_speed_again = params.get("migrate_speed_again")
migrate_again = "yes" == params.get("migrate_again", "no")
vm_state_after_abort = params.get("vm_state_after_abort")
return_port = "yes" == params.get("return_port", "no")
params['server_pwd'] = params.get("migrate_dest_pwd")
params['server_ip'] = params.get("migrate_dest_host")
params['server_user'] = params.get("remote_user", "root")
is_storage_migration = True if extra.count('--copy-storage-all') else False
setup_tls = "yes" == params.get("setup_tls", "no")
qemu_conf_dest = params.get("qemu_conf_dest", "{}")
migrate_tls_force_default = "yes" == params.get("migrate_tls_force_default", "no")
poweroff_src_vm = "yes" == params.get("poweroff_src_vm", "no")
check_port = "yes" == params.get("check_port", "no")
server_ip = params.get("migrate_dest_host")
server_user = params.get("remote_user", "root")
server_pwd = params.get("migrate_dest_pwd")
server_params = {'server_ip': server_ip,
'server_user': server_user,
'server_pwd': server_pwd}
qemu_conf_list = eval(params.get("qemu_conf_list", "[]"))
qemu_conf_path = params.get("qemu_conf_path")
min_port = params.get("min_port")
vm_session = None
qemu_conf_remote = None
(remove_key_local, remove_key_remote) = (None, None)
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
local_both_conf_obj = None
remote_file_list = []
conn_obj_list = []
try:
# Setup default value for migrate_tls_force
if migrate_tls_force_default:
value_list = ["migrate_tls_force"]
# Setup migrate_tls_force default value on remote
server_params['file_path'] = "/etc/libvirt/qemu.conf"
remove_key_remote = libvirt_config.remove_key_in_conf(value_list,
"qemu",
remote_params=server_params)
# Setup migrate_tls_force default value on local
remove_key_local = libvirt_config.remove_key_in_conf(value_list,
"qemu")
if check_port:
server_params['file_path'] = qemu_conf_path
remove_key_remote = libvirt_config.remove_key_in_conf(qemu_conf_list,
"qemu",
remote_params=server_params)
# Update only remote qemu conf
if qemu_conf_dest:
qemu_conf_remote = libvirt_remote.update_remote_file(
server_params, qemu_conf_dest, "/etc/libvirt/qemu.conf")
# Update local or both sides configuration files
local_both_conf_obj = update_local_or_both_conf_file(params)
# Setup TLS
if setup_tls:
conn_obj_list.append(migration_base.setup_conn_obj('tls',
params,
test))
# Update guest disk xml
if not is_storage_migration:
libvirt.set_vm_disk(vm, params)
else:
remote_file_list.append(libvirt_disk.create_remote_disk_by_same_metadata(vm,
params))
if check_port:
# Create a remote runner
runner_on_target = remote_old.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
cmd = "nc -l -p %s &" % min_port
remote_old.run_remote_cmd(cmd, params, runner_on_target, ignore_status=False)
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
vm_session = vm.wait_for_login()
if action_during_mig:
if poweroff_src_vm:
params.update({'vm_session': vm_session})
action_during_mig = migration_base.parse_funcs(action_during_mig,
test, params)
if stress_package:
migration_test.run_stress_in_vm(vm, params)
mode = 'both' if '--postcopy' in postcopy_options else 'precopy'
if migrate_speed:
migration_test.control_migrate_speed(vm_name,
int(migrate_speed),
mode)
# Execute migration process
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options, extra,
action_during_mig,
extra_args)
func_returns = dict(migration_test.func_ret)
migration_test.func_ret.clear()
logging.debug("Migration returns function results:%s", func_returns)
if return_port:
port_used = get_used_port(func_returns)
if check_port:
port_used = get_used_port(func_returns)
if int(port_used) != int(min_port) + 1:
test.fail("Wrong port for migration.")
if vm_state_after_abort:
check_vm_state_after_abort(vm_name, vm_state_after_abort,
bk_uri, dest_uri, test)
if migrate_again:
if not vm.is_alive():
vm.start()
vm_session = vm.wait_for_login()
action_during_mig = migration_base.parse_funcs(params.get('action_during_mig_again'),
test, params)
extra_args['status_error'] = params.get("migrate_again_status_error", "no")
if params.get("virsh_migrate_extra_mig_again"):
extra = params.get("virsh_migrate_extra_mig_again")
if params.get('scp_list_client_again'):
params['scp_list_client'] = params.get('scp_list_client_again')
# Recreate tlsconnection object using new parameter values
conn_obj_list.append(migration_base.setup_conn_obj('tls',
params,
test))
if migrate_speed_again:
migration_test.control_migrate_speed(vm_name,
int(migrate_speed_again),
mode)
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options,
extra, action_during_mig,
extra_args)
if return_port:
func_returns = dict(migration_test.func_ret)
logging.debug("Migration returns function "
"results:%s", func_returns)
port_second = get_used_port(func_returns)
if port_used != port_second:
test.fail("Expect same port '{}' is used as previous one, "
"but found new one '{}'".format(port_used,
port_second))
else:
logging.debug("Same port '%s' was used as "
"expected", port_second)
if int(migration_test.ret.exit_status) == 0:
migration_test.post_migration_check([vm], params, uri=dest_uri)
finally:
logging.info("Recover test environment")
vm.connect_uri = bk_uri
if vm_session:
vm_session.close()
# Clean VM on destination and source
migration_test.cleanup_vm(vm, dest_uri)
# Restore remote qemu conf and restart libvirtd
if qemu_conf_remote:
logging.debug("Recover remote qemu configurations")
del qemu_conf_remote
# Restore local or both sides conf and restart libvirtd
recover_config_file(local_both_conf_obj, params)
if remove_key_remote:
del remove_key_remote
if remove_key_local:
libvirt.customize_libvirt_config(None,
config_object=remove_key_local,
config_type='qemu')
# Clean up connection object, like TLS
migration_base.cleanup_conn_obj(conn_obj_list, test)
for one_file in remote_file_list:
if one_file:
remote_old.run_remote_cmd("rm -rf %s" % one_file, params)
orig_config_xml.sync()
def __init__(self, test, env, params, *args, **dargs):
"""
Init params and other necessary variables
"""
for k, v in iteritems(dict(*args, **dargs)):
params[k] = v
self.params = params
self.test = test
self.env = env
# Check whether there are unset parameters
for v in list(itervalues(self.params)):
if isinstance(v, string_types) and v.count("EXAMPLE"):
self.test.cancel("Please set real value for %s" % v)
# Initiate the params
self.uri_type = params.get("uri_type", "qemu_system")
self.migrate_desturi_proto = params.get("migrate_desturi_proto", "tcp")
self.virsh_migrate_options = params.get("virsh_migrate_options",
"--live --p2p")
self.tunnelled = params.get("tunnelled", False)
self.compressed = params.get("compressed", False)
self.auto_converge = params.get("auto_converge", False)
self.postcopy = params.get("postcopy", False)
self.native_tls = params.get("native_tls", False)
self.persistdest = params.get("persistdest", False)
self.undefinesource = params.get("undefinesource", False)
self.migrate_thread_timeout = int(
params.get("migrate_thread_timeout", "900"))
self.migrate_vm_back = params.get("migrate_vm_back", "yes")
self.migrate_main_vm_name = params.get("migrate_main_vm",
"avocado-vt-vm1")
self.migrate_vms_name = params.get("migrate_vms", "")
self.storage_type = params.get("storage_type")
self.nfs_mount_dir = params.get("nfs_mount_dir")
self.local_ip = params.get("local_ip")
self.remote_ip = params.get('remote_ip')
self.remote_user = params.get('remote_user')
self.remote_pwd = params.get('remote_pwd')
self.migrate_source_host_cn = params.get("migrate_source_host_cn")
self.migrate_source_host = params.get("migrate_source_host")
self.migrate_source_pwd = params.get('migrate_source_pwd')
self.migrate_dest_host_cn = params.get("migrate_dest_host_cn")
self.migrate_dest_host = params.get("migrate_dest_host")
self.migrate_dest_pwd = params.get('migrate_dest_pwd')
self.selinux_state = params.get("selinux_state", "enforcing")
# Set libvirtd remote access port
self.remote_port = None
remote_port_dict = {'tls': '16514', 'tcp': '16509'}
self.remote_port = remote_port_dict.get(self.migrate_desturi_proto)
# Set migration src and dest uri
self.dest_uri = get_uri(
self.uri_type, self.migrate_desturi_proto,
(self.migrate_dest_host_cn
if self.migrate_dest_host_cn else self.migrate_dest_host))
self.src_uri = get_uri(self.uri_type)
self.src_uri_full = get_uri(
self.uri_type, self.migrate_desturi_proto,
(self.migrate_source_host_cn
if self.migrate_source_host_cn else self.migrate_source_host))
# Set virsh migrate options
self.virsh_migrate_options += self._extra_migrate_options()
# Set migrate flags
self.migrate_flags = self._migrate_flags()
# Remote dict
self.remote_dict = {
'server_ip': self.remote_ip,
'server_user': self.remote_user,
'server_pwd': self.remote_pwd
}
# Create a session to remote host
self.remote_session = remote.wait_for_login('ssh', self.remote_ip,
'22', self.remote_user,
self.remote_pwd,
r"[\#\$]\s*$")
# Get vm objects
self.vms = []
self.main_vm = env.get_vm(self.migrate_main_vm_name.strip())
if not self.main_vm:
self.test.error("Can't get vm object for vm: %s",
self.migrate_main_vm_name)
self.vms.append(self.main_vm)
for vm_name in self.migrate_vms_name.split():
if vm_name != self.migrate_main_vm_name.strip():
vm = env.get_vm(vm_name)
if not vm:
self.test.error("Can't get vm object for vm: %s", vm_name)
self.vms.append(vm)
# Get a migration object
self.obj_migration = migration.MigrationTest()
# Variable: vm xml backup for vms recovery
self.vm_xml_backup = []
# Variable: conf files objects to be restored in cleanup()
self.local_conf_objs = []
self.remote_conf_objs = []
# Variable: objects(ssh, tls and tcp, etc) to be cleaned up in cleanup()
self.objs_list = []
# Variable: enabled firewalld port lists on local host
self.opened_ports_local = []
# Variable: enabled firewalld port lists on remote host
self.opened_ports_remote = []
def run(test, params, env):
"""
Test remote access with TCP, TLS connection
"""
test_dict = dict(params)
vm_name = test_dict.get("main_vm")
vm = env.get_vm(vm_name)
start_vm = test_dict.get("start_vm", "no")
# Server and client parameters
server_ip = test_dict.get("server_ip")
server_user = test_dict.get("server_user")
server_pwd = test_dict.get("server_pwd")
client_ip = test_dict.get("client_ip")
client_user = test_dict.get("client_user")
client_pwd = test_dict.get("client_pwd")
server_cn = test_dict.get("server_cn")
client_cn = test_dict.get("client_cn")
target_ip = test_dict.get("target_ip", "")
# generate remote IP
if target_ip == "":
if server_cn:
target_ip = server_cn
elif server_ip:
target_ip = server_ip
else:
target_ip = target_ip
remote_virsh_dargs = {
'remote_ip': server_ip,
'remote_user': server_user,
'remote_pwd': server_pwd,
'unprivileged_user': None,
'ssh_remote_auth': True
}
# Ceph disk parameters
driver = test_dict.get("test_driver", "qemu")
transport = test_dict.get("transport")
plus = test_dict.get("conn_plus", "+")
source_type = test_dict.get("vm_disk_source_type", "file")
virsh_options = test_dict.get("virsh_options", "--verbose --live")
vol_name = test_dict.get("vol_name")
disk_src_protocol = params.get("disk_source_protocol")
source_file = test_dict.get("disk_source_file")
disk_format = test_dict.get("disk_format", "qcow2")
mon_host = params.get("mon_host")
ceph_key_opt = ""
attach_disk = False
# Disk XML file
disk_xml = None
# Define ceph_disk conditional variable
ceph_disk = "yes" == test_dict.get("ceph_disk")
# For --postcopy enable
postcopy_options = test_dict.get("postcopy_options")
if postcopy_options and not virsh_options.count(postcopy_options):
virsh_options = "%s %s" % (virsh_options, postcopy_options)
test_dict['virsh_options'] = virsh_options
# For bi-directional and tls reverse test
uri_port = test_dict.get("uri_port", ":22")
uri_path = test_dict.get("uri_path", "/system")
src_uri = test_dict.get("migration_source_uri", "qemu:///system")
uri = "%s%s%s://%s%s%s" % (driver, plus, transport, target_ip, uri_port,
uri_path)
test_dict["desuri"] = uri
# Make sure all of parameters are assigned a valid value
check_parameters(test, test_dict)
# Set up SSH key
#ssh_key.setup_ssh_key(server_ip, server_user, server_pwd, port=22)
remote_session = remote.wait_for_login('ssh', server_ip, '22', server_user,
server_pwd, r"[\#\$]\s*$")
remote_session.close()
#ssh_key.setup_ssh_key(server_ip, server_user, server_pwd, port=22)
# Set up remote ssh key and remote /etc/hosts file for bi-direction migration
migrate_vm_back = "yes" == test_dict.get("migrate_vm_back", "no")
if migrate_vm_back:
ssh_key.setup_remote_ssh_key(server_ip, server_user, server_pwd)
ssh_key.setup_remote_known_hosts_file(client_ip, server_ip,
server_user, server_pwd)
# Reset Vm state if needed
if vm.is_alive() and start_vm == "no":
vm.destroy(gracefully=False)
# Back up xml file.
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
# Setup migration context
migrate_setup = migration.MigrationTest()
migrate_setup.migrate_pre_setup(test_dict["desuri"], params)
# Install ceph-common on remote host machine.
remote_ssh_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r"[\#\$]\s*$")
if not utils_package.package_install(["ceph-common"], remote_ssh_session):
test.error("Failed to install required packages on remote host")
remote_ssh_session.close()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
# Get initial Selinux config flex bit
LOCAL_SELINUX_ENFORCING_STATUS = utils_selinux.get_status()
logging.info("previous local enforce :%s",
LOCAL_SELINUX_ENFORCING_STATUS)
cmd_result = remote.run_remote_cmd('getenforce', params,
runner_on_target)
REMOTE_SELINUX_ENFORCING_STATUS = cmd_result.stdout_text
logging.info("previous remote enforce :%s",
REMOTE_SELINUX_ENFORCING_STATUS)
if ceph_disk:
logging.info(
"Put local SELinux in permissive mode when test ceph migrating"
)
utils_selinux.set_status("enforcing")
logging.info("Put remote SELinux in permissive mode")
cmd = "setenforce enforcing"
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
status, output = cmd_result.exit_status, cmd_result.stdout_text.strip(
)
if status:
test.Error("Failed to set SELinux " "in permissive mode")
# Prepare ceph disk.
key_file = os.path.join(data_dir.get_tmp_dir(), "ceph.key")
test_dict['key_file'] = key_file
test_dict['first_disk'] = vm.get_first_disk_devices()
ceph_key_opt, secret_uuid = prepare_ceph_disk(
test_dict, remote_virsh_dargs, test, runner_on_target)
host_ip = test_dict.get('mon_host')
disk_image = test_dict.get('disk_img')
# Build auth information.
auth_attrs = {}
auth_attrs['auth_user'] = params.get("auth_user")
auth_attrs['secret_type'] = params.get("secret_type")
auth_attrs['secret_uuid'] = secret_uuid
build_disk_xml(vm_name,
disk_format,
host_ip,
disk_src_protocol,
vol_name,
disk_image,
auth=auth_attrs)
vm_xml_cxt = process.run("virsh dumpxml %s" % vm_name,
shell=True).stdout_text
logging.debug("The VM XML with ceph disk source: \n%s", vm_xml_cxt)
try:
if vm.is_dead():
vm.start()
except virt_vm.VMStartError as e:
logging.info("Failed to start VM")
test.fail("Failed to start VM: %s" % vm_name)
# Ensure the same VM name doesn't exist on remote host before migrating.
destroy_vm_cmd = "virsh destroy %s" % vm_name
remote.run_remote_cmd(cmd, params, runner_on_target)
# Trigger migration
migrate_vm(test, test_dict)
if migrate_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migrate_setup.migrate_pre_setup(src_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name, virsh_options, src_uri)
logging.debug("Start migrating: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
status, output = cmd_result.exit_status, cmd_result.stdout_text.strip(
)
logging.info(output)
if status:
destroy_cmd = "virsh destroy %s" % vm_name
remote.run_remote_cmd(destroy_cmd, params, runner_on_target)
test.fail("Failed to run '%s' on remote: %s" % (cmd, output))
finally:
logging.info("Recovery test environment")
# Clean up of pre migration setup for local machine
if migrate_vm_back:
migrate_setup.migrate_pre_setup(src_uri, params, cleanup=True)
# Ensure VM can be cleaned up on remote host even migrating fail.
destroy_vm_cmd = "virsh destroy %s" % vm_name
remote.run_remote_cmd(destroy_vm_cmd, params, runner_on_target)
logging.info("Recovery VM XML configuration")
vmxml_backup.sync()
logging.debug("The current VM XML:\n%s", vmxml_backup.xmltreefile)
# Clean up ceph environment.
if disk_src_protocol == "rbd":
# Clean up secret
secret_list = get_secret_list()
if secret_list:
for secret_uuid in secret_list:
virsh.secret_undefine(secret_uuid)
# Clean up dirty secrets on remote host if testing involve in ceph auth.
client_name = test_dict.get('client_name')
client_key = test_dict.get("client_key")
if client_name and client_key:
try:
remote_virsh = virsh.VirshPersistent(**remote_virsh_dargs)
remote_dirty_secret_list = get_secret_list(remote_virsh)
for dirty_secret_uuid in remote_dirty_secret_list:
remote_virsh.secret_undefine(dirty_secret_uuid)
except (process.CmdError, remote.SCPError) as detail:
test.Error(detail)
finally:
remote_virsh.close_session()
# Delete the disk if it exists.
disk_src_name = "%s/%s" % (vol_name, test_dict.get('disk_img'))
cmd = ("rbd -m {0} {1} info {2} && rbd -m {0} {1} rm "
"{2}".format(mon_host, ceph_key_opt, disk_src_name))
process.run(cmd, ignore_status=True, shell=True)
if LOCAL_SELINUX_ENFORCING_STATUS:
logging.info("Restore SELinux in original mode")
utils_selinux.set_status(LOCAL_SELINUX_ENFORCING_STATUS)
if REMOTE_SELINUX_ENFORCING_STATUS:
logging.info("Put remote SELinux in original mode")
cmd = "yes yes | setenforce %s" % REMOTE_SELINUX_ENFORCING_STATUS
remote.run_remote_cmd(cmd, params, runner_on_target)
# Remove known hosts on local host
cmd = "ssh-keygen -R %s" % server_ip
process.run(cmd, ignore_status=True, shell=True)
# Remove known hosts on remote host
cmd = "ssh-keygen -R %s" % client_ip
remote.run_remote_cmd(cmd, params, runner_on_target)
def copied_migration(test, vm, params, blockjob_type=None, block_target="vda"):
"""
Migrate vms with storage copied under some stress.
And during it, some qemu-monitor-command will be sent.
"""
dest_uri = params.get("migrate_dest_uri")
remote_host = params.get("migrate_dest_host")
copy_option = params.get("copy_storage_option", "")
username = params.get("remote_user")
password = params.get("migrate_dest_pwd")
timeout = int(params.get("thread_timeout", 1200))
options = "--live %s --unsafe" % copy_option
# Get vm ip for remote checking
if vm.is_dead():
vm.start()
vm.wait_for_login()
vms_ip = {}
vms_ip[vm.name] = vm.get_address()
logging.debug("VM %s IP: %s", vm.name, vms_ip[vm.name])
# Start to load stress
stress_type = params.get("migrate_stress_type")
if stress_type == "cpu":
params['stress_args'] = "--cpu 2 --quiet --timeout 60"
elif stress_type == "memory":
params['stress_args'] = "--vm 2 --vm-bytes 256M --vm-keep --timeout 60"
if stress_type is not None:
utils_test.load_stress("stress_in_vms", params=params, vms=[vm])
cp_mig = migration.MigrationTest()
migration_thread = threading.Thread(target=cp_mig.thread_func_migration,
args=(vm, dest_uri, options))
migration_thread.start()
# Wait for migration launched
time.sleep(5)
job_ret = virsh.domjobinfo(vm.name, debug=True)
if job_ret.exit_status:
test.error("Prepare migration for blockjob failed.")
# Execute some qemu monitor commands
pause_cmd = "block-job-pause %s" % block_target
resume_cmd = "block-job-resume %s" % block_target
cancel_cmd = "block-job-cancel %s" % block_target
complete_cmd = "block-job-complete %s" % block_target
blockjob_failures = []
try:
if blockjob_type == "cancel":
virsh.qemu_monitor_command(vm.name,
cancel_cmd,
debug=True,
ignore_status=False)
elif blockjob_type == "pause_resume":
virsh.qemu_monitor_command(vm.name,
pause_cmd,
debug=True,
ignore_status=False)
# TODO: Check whether it is paused.
virsh.qemu_monitor_command(vm.name,
resume_cmd,
debug=True,
ignore_status=False)
elif blockjob_type == "complete":
virsh.qemu_monitor_command(vm.name,
complete_cmd,
debug=True,
ignore_status=False)
except process.CmdError as detail:
blockjob_failures.append(str(detail))
# Job info FYI
virsh.domjobinfo(vm.name, debug=True)
if len(blockjob_failures):
timeout = 30
migration_thread.join(timeout)
if migration_thread.isAlive():
logging.error("Migrate %s timeout.", migration_thread)
cp_mig.RET_LOCK.acquire()
cp_mig.RET_MIGRATION = False
cp_mig.RET_LOCK.release()
if len(blockjob_failures):
cp_mig.cleanup_dest_vm(vm, None, dest_uri)
test.fail("Run qemu monitor command failed %s" % blockjob_failures)
check_ip_failures = []
if cp_mig.RET_MIGRATION:
try:
utils_test.check_dest_vm_network(vm, vms_ip[vm.name], remote_host,
username, password)
except exceptions.TestFail as detail:
check_ip_failures.append(str(detail))
cp_mig.cleanup_dest_vm(vm, None, dest_uri)
if blockjob_type in ["cancel", "complete"]:
test.fail("Storage migration passed even after " "cancellation.")
else:
cp_mig.cleanup_dest_vm(vm, None, dest_uri)
if blockjob_type in ["cancel", "complete"]:
logging.error("Expected Migration Error for %s", blockjob_type)
return
else:
test.fail("Command blockjob does not work well under "
"storage copied migration.")
if len(check_ip_failures):
test.fail("Check IP failed:%s" % check_ip_failures)
def verify_migration_speed(test, params, env):
"""
Check if migration speed is effective with twice migration.
"""
vms = env.get_all_vms()
src_uri = params.get("migrate_src_uri", "qemu+ssh://EXAMPLE/system")
dest_uri = params.get("migrate_dest_uri", "qemu+ssh://EXAMPLE/system")
if not len(vms):
test.cancel("Please provide migrate_vms for test.")
if src_uri.count('///') or src_uri.count('EXAMPLE'):
test.cancel("The src_uri '%s' is invalid" % src_uri)
if dest_uri.count('///') or dest_uri.count('EXAMPLE'):
test.cancel("The dest_uri '%s' is invalid" % dest_uri)
remote_host = params.get("migrate_dest_host")
username = params.get("migrate_dest_user", "root")
password = params.get("migrate_dest_pwd")
# Config ssh autologin for remote host
ssh_key.setup_ssh_key(remote_host, username, password, port=22)
# Check migrated vms' state
for vm in vms:
if vm.is_dead():
vm.start()
load_vm_names = params.get("load_vms").split()
# vms for load
load_vms = []
for vm_name in load_vm_names:
load_vms.append(libvirt_vm.VM(vm_name, params, test.bindir,
env.get("address_cache")))
params["load_vms"] = load_vms
bandwidth = int(params.get("bandwidth", "4"))
stress_type = params.get("stress_type", "load_vms_booting")
migration_type = params.get("migration_type", "orderly")
thread_timeout = int(params.get("thread_timeout", "60"))
delta = float(params.get("allowed_delta", "0.1"))
virsh_migrate_timeout = int(params.get("virsh_migrate_timeout", "60"))
# virsh migrate options
virsh_migrate_options = "--live --unsafe --timeout %s" % virsh_migrate_timeout
# Migrate vms to remote host
mig_first = migration.MigrationTest()
virsh_dargs = {"debug": True}
for vm in vms:
set_get_speed(vm.name, bandwidth, virsh_dargs=virsh_dargs)
vm.wait_for_login()
utils_test.load_stress(stress_type, params=params, vms=vms)
mig_first.do_migration(vms, src_uri, dest_uri, migration_type,
options=virsh_migrate_options, thread_timeout=thread_timeout)
for vm in vms:
mig_first.cleanup_dest_vm(vm, None, dest_uri)
# Keep it clean for second migration
if vm.is_alive():
vm.destroy()
# Migrate vms again with new bandwidth
second_bandwidth = params.get("second_bandwidth", "times")
if second_bandwidth == "half":
second_bandwidth = bandwidth / 2
speed_times = 2
elif second_bandwidth == "times":
second_bandwidth = bandwidth * 2
speed_times = 0.5
elif second_bandwidth == "same":
second_bandwidth = bandwidth
speed_times = 1
# Migrate again
for vm in vms:
if vm.is_dead():
vm.start()
vm.wait_for_login()
set_get_speed(vm.name, second_bandwidth, virsh_dargs=virsh_dargs)
utils_test.load_stress(stress_type, params=params, vms=vms)
mig_second = migration.MigrationTest()
mig_second.do_migration(vms, src_uri, dest_uri, migration_type,
options=virsh_migrate_options, thread_timeout=thread_timeout)
for vm in vms:
mig_second.cleanup_dest_vm(vm, None, dest_uri)
fail_info = []
# Check whether migration failed
if len(fail_info):
test.fail(fail_info)
for vm in vms:
first_time = mig_first.mig_time[vm.name]
second_time = mig_second.mig_time[vm.name]
logging.debug("Migration time for %s:\n"
"Time with Bandwidth '%s' first: %s\n"
"Time with Bandwidth '%s' second: %s", vm.name,
bandwidth, first_time, second_bandwidth, second_time)
shift = float(abs(first_time * speed_times - second_time)) / float(second_time)
logging.debug("Shift:%s", shift)
if delta < shift:
fail_info.append("Spent time for migrating %s is intolerable." % vm.name)
# Check again for speed result
if len(fail_info):
test.fail(fail_info)
def run(test, params, env):
"""
Run the test
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
libvirt_version.is_libvirt_feature_supported(params)
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
bk_uri = vm.connect_uri
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
extra_args = migration_test.update_virsh_migrate_extra_args(params)
extra = params.get("virsh_migrate_extra")
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
options = params.get("virsh_migrate_options",
"--live --p2p --persistent --verbose")
virsh_options = params.get("virsh_options", "")
action_during_mig = params.get("action_during_mig")
migrate_speed = params.get("migrate_speed")
migrate_again = "yes" == params.get("migrate_again", "no")
vm_state_after_abort = params.get("vm_state_after_abort")
kill_service = "yes" == params.get("kill_service", "no")
expected_image_ownership = params.get("expected_image_ownership")
service_name = params.get("service_name", "libvirtd")
service_on_dst = "yes" == params.get("service_on_dst", "no")
server_ip = params.get("remote_ip")
server_user = params.get("remote_user", "root")
server_pwd = params.get("remote_pwd")
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Update guest disk xml
libvirt.set_vm_disk(vm, params)
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
vm.wait_for_login().close()
if kill_service:
check_image_ownership(vm_name, expected_image_ownership, test)
if service_name == "libvirtd":
if service_on_dst:
remote_session = remote.wait_for_login(
'ssh', server_ip, '22', server_user, server_pwd,
r"[\#\$]\s*$")
service_name = utils_libvirtd.Libvirtd(
session=remote_session).service_name
remote_session.close()
else:
service_name = utils_libvirtd.Libvirtd().service_name
params.update({'service_name': service_name})
if migrate_speed:
mode = 'both' if '--postcopy' in postcopy_options else 'precopy'
migration_test.control_migrate_speed(vm_name, int(migrate_speed),
mode)
if action_during_mig:
action_during_mig = migration_base.parse_funcs(
action_during_mig, test, params)
# Execute migration process
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options, extra,
action_during_mig, extra_args)
func_returns = dict(migration_test.func_ret)
migration_test.func_ret.clear()
logging.debug("Migration returns function results:%s", func_returns)
if vm_state_after_abort:
check_vm_state_after_abort(vm_name, vm_state_after_abort, bk_uri,
dest_uri, test)
if kill_service:
check_image_ownership(vm_name, expected_image_ownership, test)
if migrate_again:
action_during_mig = migration_base.parse_funcs(
params.get('action_during_mig_again'), test, params)
extra_args['status_error'] = params.get(
"migrate_again_status_error", "no")
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options, extra,
action_during_mig, extra_args)
if int(migration_test.ret.exit_status) == 0:
migration_test.post_migration_check([vm], params, uri=dest_uri)
finally:
logging.info("Recover test environment")
vm.connect_uri = bk_uri
# Clean VM on destination and source
migration_test.cleanup_vm(vm, dest_uri)
orig_config_xml.sync()
def run(test, params, env):
"""
Test virsh migrate command.
"""
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
virsh_args = {"debug": True}
virsh_options = params.get("virsh_options", "")
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
client_ip = params.get("client_ip")
client_pwd = params.get("client_pwd")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options")
guest_src_url = params.get("guest_src_url")
guest_src_path = params.get("guest_src_path",
"/var/lib/libvirt/images/guest.img")
check_disk = "yes" == params.get("check_disk")
disk_model = params.get("disk_model")
disk_target = params.get("disk_target", "vda")
controller_model = params.get("controller_model")
check_interface = "yes" == params.get("check_interface")
iface_type = params.get("iface_type", "network")
iface_model = params.get("iface_model", "virtio")
iface_params = {'type': iface_type,
'model': iface_model,
'del_addr': True,
'source': '{"network": "default"}'}
check_memballoon = "yes" == params.get("check_memballoon")
membal_model = params.get("membal_model")
check_rng = "yes" == params.get("check_rng")
rng_model = params.get("rng_model")
migrate_vm_back = "yes" == params.get("migrate_vm_back", "no")
status_error = "yes" == params.get("status_error", "no")
remote_virsh_dargs = {'remote_ip': server_ip, 'remote_user': server_user,
'remote_pwd': server_pwd, 'unprivileged_user': None,
'ssh_remote_auth': True}
remote_dargs = {'server_ip': server_ip, 'server_user': server_user,
'server_pwd': server_pwd,
'file_path': "/etc/libvirt/libvirt.conf"}
xml_check_after_mig = params.get("guest_xml_check_after_mig")
err_msg = params.get("err_msg")
vm_session = None
remote_virsh_session = None
vm = None
mig_result = None
remove_dict = {}
remote_libvirt_file = None
src_libvirt_file = None
if not libvirt_version.version_compare(5, 0, 0):
test.cancel("This libvirt version doesn't support "
"virtio-transitional model.")
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
extra_args = migration_test.update_virsh_migrate_extra_args(params)
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
# download guest source and update interface model to keep guest up
if guest_src_url:
blk_source = download.get_file(guest_src_url, guest_src_path)
if not blk_source:
test.error("Fail to download image.")
params["blk_source_name"] = blk_source
if (not check_interface) and iface_model:
iface_dict = {'model': iface_model}
libvirt.modify_vm_iface(vm_name, "update_iface", iface_dict)
if not check_disk:
params["disk_model"] = "virtio-transitional"
if check_interface:
libvirt.modify_vm_iface(vm_name, "update_iface", iface_params)
if check_memballoon:
membal_dict = {'membal_model': membal_model}
dom_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
libvirt.update_memballoon_xml(dom_xml, membal_dict)
if check_rng:
rng_dict = {'rng_model': rng_model}
rng_xml = libvirt.create_rng_xml(rng_dict)
dom_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
libvirt.add_vm_device(dom_xml, rng_xml)
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
vm_session = vm.wait_for_login(restart_network=True)
migration_test.ping_vm(vm, params)
remove_dict = {"do_search": '{"%s": "ssh:/"}' % dest_uri}
src_libvirt_file = libvirt_config.remove_key_for_modular_daemon(
remove_dict)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms, None, dest_uri, 'orderly',
options, thread_timeout=900,
ignore_status=True, virsh_opt=virsh_options,
extra_opts=extra, **extra_args)
mig_result = migration_test.ret
if int(mig_result.exit_status) == 0:
migration_test.ping_vm(vm, params, dest_uri)
if xml_check_after_mig:
if not remote_virsh_session:
remote_virsh_session = virsh.VirshPersistent(**remote_virsh_dargs)
target_guest_dumpxml = (remote_virsh_session.dumpxml(vm_name,
debug=True,
ignore_status=True)
.stdout_text.strip())
if check_disk:
check_str = disk_model if disk_model else controller_model
if check_interface:
check_str = iface_model
if check_memballoon:
check_str = membal_model
if check_rng:
check_str = rng_model
xml_check_after_mig = "%s'%s'" % (xml_check_after_mig, check_str)
if not re.search(xml_check_after_mig, target_guest_dumpxml):
test.fail("Fail to search '%s' in target guest XML:\n%s"
% (xml_check_after_mig, target_guest_dumpxml))
remote_virsh_session.close_session()
# Execute migration from remote
if migrate_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migration_test.migrate_pre_setup(src_uri, params)
remove_dict = {"do_search": ('{"%s": "ssh:/"}' % src_uri)}
remote_libvirt_file = libvirt_config\
.remove_key_for_modular_daemon(remove_dict, remote_dargs)
cmd = "virsh migrate %s %s %s" % (vm_name,
options, src_uri)
logging.debug("Start migration: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
test.fail("Failed to run '%s' on remote: %s"
% (cmd, cmd_result))
finally:
logging.debug("Recover test environment")
# Clean VM on destination
migration_test.cleanup_vm(vm, dest_uri)
logging.info("Recover VM XML configration")
orig_config_xml.sync()
logging.debug("The current VM XML:\n%s", orig_config_xml.xmltreefile)
if src_libvirt_file:
src_libvirt_file.restore()
if remote_libvirt_file:
del remote_libvirt_file
# Clean up of pre migration setup for local machine
if migrate_vm_back:
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
migration_test.migrate_pre_setup(src_uri, params,
cleanup=True)
if remote_virsh_session:
remote_virsh_session.close_session()
logging.info("Remove local NFS image")
source_file = params.get("source_file")
libvirt.delete_local_disk("file", path=source_file)
if guest_src_url and blk_source:
libvirt.delete_local_disk("file", path=blk_source)
def run_migration(vm, params, test):
"""
Execute migration from source host to target host
:param vm: vm object
:param params: dict, test parameters
:param test: test object
"""
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
params["disk_type"] = "file"
virsh_options = params.get("virsh_options", "")
options = params.get("virsh_migrate_options", "--live --verbose")
func_params_exists = "yes" == params.get("func_params_exists", "yes")
func_name = None
mig_result = None
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
extra_args = {}
if func_params_exists:
extra_args.update({'func_params': params})
remove_dict = {"do_search": '{"%s": "ssh:/"}' % dest_uri}
src_libvirt_file = libvirt_config.remove_key_for_modular_daemon(
remove_dict)
try:
if not vm.is_alive():
vm.start()
except virt_vm.VMStartError as e:
test.fail("Failed to start VM %s: %s" % (vm_name, str(e)))
test.log.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
vm.wait_for_login(restart_network=True).close()
migration_test.ping_vm(vm, params)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
func=func_name,
**extra_args)
mig_result = migration_test.ret
if int(mig_result.exit_status) == 0:
migration_test.post_migration_check([vm], params, uri=dest_uri)
if src_libvirt_file:
src_libvirt_file.restore()
def run(test, params, env):
"""
Test virsh migrate when disks are virtio-scsi.
"""
def check_vm_state(vm, state):
"""
Return True if vm is in the correct state.
"""
try:
actual_state = vm.state()
except process.CmdError:
return False
if actual_state == state:
return True
else:
return False
def check_disks_in_vm(vm, vm_ip, disks_list=[], runner=None):
"""
Check disks attached to vm.
"""
fail_list = []
while len(disks_list):
disk = disks_list.pop()
if runner:
check_cmd = ("ssh %s \"dd if=/dev/urandom of=%s bs=1 "
"count=1024\"" % (vm_ip, disk))
try:
logging.debug(runner.run(check_cmd))
continue
except process.CmdError as detail:
logging.debug("Remote checking failed:%s", detail)
fail_list.append(disk)
else:
check_cmd = "dd if=/dev/urandom of=%s bs=1 count=1024"
session = vm.wait_for_login()
cs = session.cmd_status(check_cmd)
if cs:
fail_list.append(disk)
session.close()
if len(fail_list):
test.fail("Checking attached devices failed:%s" % fail_list)
def get_disk_id(device):
"""
Show disk by id.
"""
output = process.run("ls /dev/disk/by-id/", shell=True).stdout_text
for line in output.splitlines():
disk_ids = line.split()
for disk_id in disk_ids:
disk = os.path.basename(
process.run("readlink %s" % disk_id,
shell=True).stdout_text)
if disk == os.path.basename(device):
return disk_id
return None
def cleanup_ssh_config(vm):
session = vm.wait_for_login()
session.cmd("rm -f ~/.ssh/authorized_keys")
session.cmd("rm -f ~/.ssh/id_rsa*")
session.close()
vm = env.get_vm(params.get("migrate_main_vm"))
source_type = params.get("disk_source_type", "file")
device_type = params.get("disk_device_type", "disk")
disk_format = params.get("disk_format_type", "raw")
if source_type == "file":
params['added_disk_type'] = "file"
else:
params['added_disk_type'] = "block"
block_device = params.get("disk_block_device", "/dev/EXAMPLE")
if block_device.count("EXAMPLE"):
# Prepare host parameters
local_host = params.get("migrate_source_host", "LOCAL.EXAMPLE")
remote_host = params.get("migrate_dest_host", "REMOTE.EXAMPLE")
remote_user = params.get("migrate_dest_user", "root")
remote_passwd = params.get("migrate_dest_pwd")
if remote_host.count("EXAMPLE") or local_host.count("EXAMPLE"):
test.cancel("Config remote or local host first.")
rdm_params = {
'remote_ip': remote_host,
'remote_user': remote_user,
'remote_pwd': remote_passwd
}
rdm = utils_test.RemoteDiskManager(rdm_params)
# Try to build an iscsi device
# For local, target is a device name
target = utlv.setup_or_cleanup_iscsi(
is_setup=True, is_login=True, emulated_image="emulated-iscsi")
logging.debug("Created target: %s", target)
try:
# Attach this iscsi device both local and remote
remote_device = rdm.iscsi_login_setup(local_host, target)
except Exception as detail:
utlv.setup_or_cleanup_iscsi(is_setup=False)
test.error("Attach iscsi device on remote failed:%s" % detail)
# Use id to get same path on local and remote
block_device = get_disk_id(target)
if block_device is None:
rdm.iscsi_login_setup(local_host, target, is_login=False)
utlv.setup_or_cleanup_iscsi(is_setup=False)
test.error("Set iscsi device couldn't find id?")
srcuri = params.get("virsh_migrate_srcuri")
dsturi = params.get("virsh_migrate_dsturi")
remote_ip = params.get("remote_ip")
username = params.get("remote_user", "root")
host_pwd = params.get("remote_pwd")
# Connection to remote, init here for cleanup
runner = None
# Identify easy config. mistakes early
warning_text = ("Migration VM %s URI %s appears problematic "
"this may lead to migration problems. "
"Consider specifying vm.connect_uri using "
"fully-qualified network-based style.")
if srcuri.count('///') or srcuri.count('EXAMPLE'):
test.cancel(warning_text % ('source', srcuri))
if dsturi.count('///') or dsturi.count('EXAMPLE'):
test.cancel(warning_text % ('destination', dsturi))
# Config auto-login to remote host for migration
ssh_key.setup_ssh_key(remote_ip, username, host_pwd)
sys_image = vm.get_first_disk_devices()
sys_image_source = sys_image["source"]
sys_image_info = utils_misc.get_image_info(sys_image_source)
logging.debug("System image information:\n%s", sys_image_info)
sys_image_fmt = sys_image_info["format"]
created_img_path = os.path.join(os.path.dirname(sys_image_source),
"vsmimages")
migrate_in_advance = "yes" == params.get("migrate_in_advance", "no")
status_error = "yes" == params.get("status_error", "no")
if source_type == "file" and device_type == "lun":
status_error = True
try:
# For safety and easily reasons, we'd better define a new vm
new_vm_name = "%s_vsmtest" % vm.name
mig = migration.MigrationTest()
if vm.is_alive():
vm.destroy()
utlv.define_new_vm(vm.name, new_vm_name)
vm = libvirt_vm.VM(new_vm_name, vm.params, vm.root_dir,
vm.address_cache)
# Change the disk of the vm to shared disk
# Detach exist devices
devices = vm.get_blk_devices()
for device in devices:
s_detach = virsh.detach_disk(vm.name,
device,
"--config",
debug=True)
if not s_detach:
test.error("Detach %s failed before test.", device)
# Attach system image as vda
# Then added scsi disks will be sda,sdb...
attach_args = "--subdriver %s --config" % sys_image_fmt
virsh.attach_disk(vm.name,
sys_image_source,
"vda",
attach_args,
debug=True)
vms = [vm]
def start_check_vm(vm):
try:
vm.start()
except virt_vm.VMStartError as detail:
if status_error:
logging.debug("Expected failure:%s", detail)
return None, None
else:
raise
vm.wait_for_login()
# Confirm VM can be accessed through network.
# And this ip will be used on remote after migration
vm_ip = vm.get_address()
vm_pwd = params.get("password")
s_ping, o_ping = utils_test.ping(vm_ip, count=2, timeout=60)
logging.info(o_ping)
if s_ping != 0:
test.fail("%s did not respond after several "
"seconds with attaching new devices." % vm.name)
return vm_ip, vm_pwd
options = "--live --unsafe"
# Do migration before attaching new devices
if migrate_in_advance:
vm_ip, vm_pwd = start_check_vm(vm)
cleanup_ssh_config(vm)
mig_thread = threading.Thread(target=mig.thread_func_migration,
args=(vm, dsturi, options))
mig_thread.start()
# Make sure migration is running
time.sleep(2)
# Attach other disks
params['added_disk_target'] = "scsi"
params['target_bus'] = "scsi"
params['device_type'] = device_type
params['type_name'] = source_type
params['added_disk_format'] = disk_format
if migrate_in_advance:
params["attach_disk_config"] = "no"
attach_disk_config = False
else:
params["attach_disk_config"] = "yes"
attach_disk_config = True
try:
if source_type == "file":
utlv.attach_disks(vm, "%s/image" % created_img_path, None,
params)
else:
ret = utlv.attach_additional_device(vm.name,
"sda",
block_device,
params,
config=attach_disk_config)
if ret.exit_status:
test.fail(ret)
except (exceptions.TestFail, process.CmdError) as detail:
if status_error:
logging.debug("Expected failure:%s", detail)
return
else:
raise
if migrate_in_advance:
mig_thread.join(60)
if mig_thread.isAlive():
mig.RET_LOCK.acquire()
mig.MIGRATION = False
mig.RET_LOCK.release()
else:
vm_ip, vm_pwd = start_check_vm(vm)
# Have got expected failures when starting vm, end the test
if vm_ip is None and status_error:
return
# Start checking before migration and go on checking after migration
disks = []
for target in list(vm.get_disk_devices().keys()):
if target != "vda":
disks.append("/dev/%s" % target)
checked_count = int(params.get("checked_count", 0))
disks_before = disks[:(checked_count // 2)]
disks_after = disks[(checked_count // 2):checked_count]
logging.debug(
"Disks to be checked:\nBefore migration:%s\n"
"After migration:%s", disks_before, disks_after)
options = "--live --unsafe"
if not migrate_in_advance:
cleanup_ssh_config(vm)
mig.do_migration(vms, None, dsturi, "orderly", options, 120)
if mig.RET_MIGRATION:
utils_test.check_dest_vm_network(vm, vm_ip, remote_ip, username,
host_pwd)
runner = remote.RemoteRunner(host=remote_ip,
username=username,
password=host_pwd)
# After migration, config autologin to vm
ssh_key.setup_remote_ssh_key(vm_ip, "root", vm_pwd)
check_disks_in_vm(vm, vm_ip, disks_after, runner)
if migrate_in_advance:
test.fail("Migration before attaching successfully, "
"but not expected.")
finally:
# Cleanup remote vm
if srcuri != dsturi:
mig.cleanup_dest_vm(vm, srcuri, dsturi)
# Cleanup created vm anyway
if vm.is_alive():
vm.destroy(gracefully=False)
virsh.undefine(new_vm_name)
# Cleanup iscsi device for block if it is necessary
if source_type == "block":
if params.get("disk_block_device",
"/dev/EXAMPLE").count("EXAMPLE"):
rdm.iscsi_login_setup(local_host, target, is_login=False)
utlv.setup_or_cleanup_iscsi(is_setup=False,
emulated_image="emulated-iscsi")
if runner:
runner.session.close()
process.run("rm -f %s/*vsmtest" % created_img_path, shell=True)
def run(test, params, env):
"""
Test migration with special network settings
1) migrate guest with bridge type interface connected to ovs bridge
2) migrate guest with direct type interface when a macvtap device name
exists on dest host
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def check_vm_network_accessed(ping_dest, session=None):
"""
The operations to the VM need to be done before or after
migration happens
:param ping_dest: The destination to be ping
:param session: The session object to the host
:raise: test.fail when ping fails
"""
# Confirm local/remote VM can be accessed through network.
logging.info("Check VM network connectivity")
status, output = utils_net.ping(ping_dest,
count=10,
timeout=20,
output_func=logging.debug,
session=session)
if status != 0:
test.fail("Ping failed, status: %s, output: %s" % (status, output))
def vm_sync(vmxml, vm_name=None, virsh_instance=virsh):
"""
A wrapper to sync vm xml on localhost and remote host
:param vmxml: domain VMXML instance
:param vm_name: The name of VM
:param virsh_instance: virsh instance object
"""
if vm_name and virsh_instance != virsh:
remote.scp_to_remote(server_ip, '22', server_user,
server_pwd,
vmxml.xml, vmxml.xml)
if virsh_instance.domain_exists(vm_name):
if virsh_instance.is_alive(vm_name):
virsh_instance.destroy(vm_name, ignore_status=True)
virsh_instance.undefine(vmxml.xml, ignore_status=True)
virsh_instance.define(vmxml.xml, debug=True)
else:
vmxml.sync()
def update_iface_xml(vm_name, iface_dict, virsh_instance=virsh):
"""
Update interfaces for guest
:param vm_name: The name of VM
:param iface_dict: The interface configurations params
:param virsh_instance: virsh instance object
"""
logging.debug("update iface xml")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(
vm_name, virsh_instance=virsh_instance)
vmxml.remove_all_device_by_type('interface')
vm_sync(vmxml, vm_name, virsh_instance=virsh_instance)
iface = interface.Interface('network')
iface.xml = libvirt.modify_vm_iface(vm_name, "get_xml", iface_dict,
virsh_instance=virsh_instance)
vmxml.add_device(iface)
vmxml.xmltreefile.write()
vm_sync(vmxml, vm_name, virsh_instance=virsh_instance)
logging.debug("VM XML after updating interface: %s" % vmxml)
def update_net_dict(net_dict, runner=utils_net.local_runner):
"""
Update network dict
:param net_dict: The network dict to be updated
:param runner: Command runner
:return: Updated network dict
"""
if net_dict.get("net_name", "") == "direct-macvtap":
logging.info("Updating network iface name")
iface_name = utils_net.get_net_if(runner=runner, state="UP")[0]
net_dict.update({"forward_iface": iface_name})
else:
# TODO: support other types
logging.info("No need to update net_dict. We only support to "
"update direct-macvtap type for now.")
logging.debug("net_dict is %s" % net_dict)
return net_dict
def get_remote_direct_mode_vm_mac(vm_name, uri):
"""
Get mac of remote direct mode VM
:param vm_name: The name of VM
:param uri: The uri on destination
:return: mac
:raise: test.fail when the result of virsh domiflist is incorrect
"""
vm_mac = None
res = virsh.domiflist(
vm_name, uri=uri, ignore_status=False).stdout_text.strip().split("\n")
if len(res) < 2:
test.fail("Unable to get remote VM's mac: %s" % res)
else:
vm_mac = res[-1].split()[-1]
return vm_mac
def create_fake_tap(remote_session):
"""
Create a fake macvtap on destination host.
:param remote_session: The session to the destination host.
:return: The new tap device
"""
tap_cmd = "ls /dev/tap* |awk -F 'tap' '{print $NF}'"
tap_idx = remote_session.cmd_output(tap_cmd).strip()
if not tap_idx:
test.fail("Unable to get tap index using %s."
% tap_cmd)
fake_tap_dest = 'tap'+str(int(tap_idx)+1)
logging.debug("creating a fake tap %s...", fake_tap_dest)
cmd = "touch /dev/%s" % fake_tap_dest
remote_session.cmd(cmd)
return fake_tap_dest
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
libvirt_version.is_libvirt_feature_supported(params)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
virsh_args = {"debug": True}
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
client_ip = params.get("client_ip")
client_pwd = params.get("client_pwd")
virsh_options = params.get("virsh_options", "")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options", "--live --p2p --verbose")
restart_dhclient = params.get("restart_dhclient", "dhclient -r; dhclient")
ping_dest = params.get("ping_dest", "www.baidu.com")
extra_args = migration_test.update_virsh_migrate_extra_args(params)
migrate_vm_back = "yes" == params.get("migrate_vm_back", "no")
target_vm_name = params.get("target_vm_name")
direct_mode = "yes" == params.get("direct_mode", "no")
check_macvtap_exists = "yes" == params.get("check_macvtap_exists", "no")
create_fake_tap_dest = "yes" == params.get("create_fake_tap_dest", "no")
macvtap_cmd = params.get("macvtap_cmd")
modify_target_vm = "yes" == params.get("modify_target_vm", "no")
ovs_bridge_name = params.get("ovs_bridge_name")
network_dict = eval(params.get("network_dict", '{}'))
iface_dict = eval(params.get("iface_dict", '{}'))
remote_virsh_dargs = {'remote_ip': server_ip, 'remote_user': server_user,
'remote_pwd': server_pwd, 'unprivileged_user': None,
'ssh_remote_auth': True}
cmd_parms = {'server_ip': server_ip, 'server_user': server_user,
'server_pwd': server_pwd}
virsh_session_remote = None
libvirtd_conf = None
mig_result = None
target_org_xml = None
target_vm_session = None
target_vm = None
exp_macvtap = []
fake_tap_dest = None
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
bk_uri = vm.connect_uri
postcopy_options = params.get("postcopy_options")
action_during_mig = None
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
action_during_mig = virsh.migrate_postcopy
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
virsh_session_remote = virsh.VirshPersistent(**remote_virsh_dargs)
if target_vm_name:
target_vm = libvirt_vm.VM(target_vm_name, params, vm.root_dir,
vm.address_cache)
target_vm.connect_uri = dest_uri
if not virsh_session_remote.domain_exists(target_vm_name):
test.error("VM %s should be installed on %s."
% (target_vm_name, server_ip))
# Backup guest's xml on remote
target_org_xml = vm_xml.VMXML.new_from_inactive_dumpxml(
target_vm_name, virsh_instance=virsh_session_remote)
# Scp original xml to remote for restoration
remote.scp_to_remote(server_ip, '22', server_user,
server_pwd,
target_org_xml.xml, target_org_xml.xml)
logging.debug("target xml is %s" % target_org_xml)
if ovs_bridge_name:
status, stdout = utils_net.create_ovs_bridge(ovs_bridge_name)
if status:
test.fail("Failed to create ovs bridge on local. Status: %s"
"Stdout: %s" % (status, stdout))
status, stdout = utils_net.create_ovs_bridge(
ovs_bridge_name, session=remote_session)
if status:
test.fail("Failed to create ovs bridge on remote. Status: %s"
"Stdout: %s" % (status, stdout))
if network_dict:
update_net_dict(network_dict, runner=remote_session.cmd)
libvirt_network.create_or_del_network(
network_dict, remote_args=remote_virsh_dargs)
logging.info("dest: network created")
update_net_dict(network_dict)
libvirt_network.create_or_del_network(network_dict)
logging.info("localhost: network created")
if target_vm_name:
if modify_target_vm and iface_dict:
logging.info("Updating remote VM's interface")
update_iface_xml(target_vm_name, iface_dict,
virsh_instance=virsh_session_remote)
target_vm.start()
target_vm_session = target_vm.wait_for_serial_login(timeout=240)
check_vm_network_accessed(ping_dest, session=target_vm_session)
if check_macvtap_exists and macvtap_cmd:
# Get macvtap device's index on remote after target_vm started
idx = remote_session.cmd_output(macvtap_cmd).strip()
if not idx:
test.fail("Unable to get macvtap index using %s."
% macvtap_cmd)
# Generate the expected macvtap devices' index list
exp_macvtap = ['macvtap'+idx, 'macvtap'+str(int(idx)+1)]
if create_fake_tap_dest:
fake_tap_dest = create_fake_tap(remote_session)
remote_session.close()
# Change domain network xml
if iface_dict:
if "mac" not in iface_dict:
mac = utils_net.generate_mac_address_simple()
iface_dict.update({'mac': mac})
else:
mac = iface_dict["mac"]
update_iface_xml(vm_name, iface_dict)
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
if not vm.is_alive():
try:
vm.start()
except virt_vm.VMStartError as err:
test.fail("Failed to start VM: %s" % err)
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
vm_session = vm.wait_for_serial_login(timeout=240)
if not utils_package.package_install('dhcp-client', session=vm_session):
test.error("Failed to install dhcp-client on guest.")
utils_net.restart_guest_network(vm_session)
vm_ip = utils_net.get_guest_ip_addr(vm_session, mac)
logging.debug("VM IP Addr: %s", vm_ip)
if direct_mode:
check_vm_network_accessed(ping_dest, session=vm_session)
else:
check_vm_network_accessed(vm_ip)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms, None, dest_uri, 'orderly',
options, thread_timeout=900,
ignore_status=True, virsh_opt=virsh_options,
func=action_during_mig,
extra_opts=extra,
**extra_args)
mig_result = migration_test.ret
# Check network accessibility after migration
if int(mig_result.exit_status) == 0:
vm.connect_uri = dest_uri
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
vm_session_after_mig = vm.wait_for_serial_login(timeout=240)
vm_session_after_mig.cmd(restart_dhclient)
check_vm_network_accessed(ping_dest, session=vm_session_after_mig)
if check_macvtap_exists and macvtap_cmd:
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
# Check macvtap devices' index after migration
idx = remote_session.cmd_output(macvtap_cmd)
act_macvtap = ['macvtap'+i for i in idx.strip().split("\n")]
if act_macvtap != exp_macvtap:
test.fail("macvtap devices after migration are incorrect!"
" Actual: %s, Expected: %s. "
% (act_macvtap, exp_macvtap))
else:
if fake_tap_dest:
res = remote.run_remote_cmd("ls /dev/%s" % fake_tap_dest,
params, runner_on_target)
libvirt.check_exit_status(res)
if target_vm_session:
check_vm_network_accessed(ping_dest, session=target_vm_session)
# Execute migration from remote
if migrate_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migration_test.migrate_pre_setup(src_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name, options, src_uri)
logging.debug("Start migration: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
test.fail("Failed to run '%s' on remote: %s" % (cmd, cmd_result))
logging.debug("VM is migrated back.")
vm.connect_uri = bk_uri
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
vm_session_after_mig_bak = vm.wait_for_serial_login(timeout=240)
vm_session_after_mig_bak.cmd(restart_dhclient)
check_vm_network_accessed(ping_dest, vm_session_after_mig_bak)
finally:
logging.debug("Recover test environment")
vm.connect_uri = bk_uri
migration_test.cleanup_vm(vm, dest_uri)
logging.info("Recovery VM XML configration")
orig_config_xml.sync()
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
if target_vm and target_vm.is_alive():
target_vm.destroy(gracefully=False)
if target_org_xml and target_vm_name:
logging.info("Recovery XML configration for %s.", target_vm_name)
virsh_session_remote = virsh.VirshPersistent(**remote_virsh_dargs)
vm_sync(target_org_xml, vm_name=target_vm_name,
virsh_instance=virsh_session_remote)
virsh_session_remote.close_session()
if fake_tap_dest:
remote_session.cmd_output_safe("rm -rf /dev/%s" % fake_tap_dest)
if network_dict:
libvirt_network.create_or_del_network(
network_dict, is_del=True, remote_args=remote_virsh_dargs)
libvirt_network.create_or_del_network(network_dict, is_del=True)
if ovs_bridge_name:
utils_net.delete_ovs_bridge(ovs_bridge_name)
utils_net.delete_ovs_bridge(ovs_bridge_name, session=remote_session)
remote_session.close()
if target_vm_session:
target_vm_session.close()
if virsh_session_remote:
virsh_session_remote.close_session()
if migrate_vm_back:
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
migration_test.migrate_pre_setup(src_uri, params,
cleanup=True)
logging.info("Remove local NFS image")
source_file = params.get("source_file")
if source_file:
libvirt.delete_local_disk("file", path=source_file)
def run(test, params, env):
"""
Test migration with special network settings
1) migrate guest with bridge type interface connected to ovs bridge
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def check_vm_network_accessed(ping_dest, session=None):
"""
The operations to the VM need to be done before or after
migration happens
:param ping_dest: The destination to be ping
:param session: The session object to the host
:raise: test.fail when ping fails
"""
# Confirm local/remote VM can be accessed through network.
logging.info("Check VM network connectivity")
status, output = utils_net.ping(ping_dest,
count=10,
timeout=20,
output_func=logging.debug,
session=session)
if status != 0:
test.fail("Ping failed, status: %s, output: %s" % (status, output))
def update_iface_xml(vm_name, iface_dict):
"""
Update interfaces for guest
:param vm_name: The name of VM
:param iface_dict: The interface configurations params
"""
logging.debug("update iface xml")
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
vmxml.remove_all_device_by_type('interface')
vmxml.sync()
iface = interface.Interface('network')
iface.xml = libvirt.modify_vm_iface(vm.name, "get_xml", iface_dict)
libvirt.add_vm_device(vmxml, iface)
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
virsh_args = {"debug": True}
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
client_ip = params.get("client_ip")
client_pwd = params.get("client_pwd")
virsh_options = params.get("virsh_options", "")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options", "--live --p2p --verbose")
func_params_exists = "yes" == params.get("func_params_exists", "no")
migr_vm_back = "yes" == params.get("migr_vm_back", "no")
ovs_bridge_name = params.get("ovs_bridge_name")
network_dict = eval(params.get("network_dict", '{}'))
iface_dict = eval(params.get("iface_dict", '{}'))
remote_virsh_dargs = {
'remote_ip': server_ip,
'remote_user': server_user,
'remote_pwd': server_pwd,
'unprivileged_user': None,
'ssh_remote_auth': True
}
func_name = None
libvirtd_conf = None
mig_result = None
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
extra_args = {}
if func_params_exists:
extra_args.update({'func_params': params})
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
func_name = virsh.migrate_postcopy
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd, r'[$#%]')
if ovs_bridge_name:
status, stdout = utils_net.create_ovs_bridge(ovs_bridge_name)
if status:
test.fail("Failed to create ovs bridge on local. Status: %s"
"Stdout: %s" % (status, stdout))
status, stdout = utils_net.create_ovs_bridge(
ovs_bridge_name, session=remote_session)
if status:
test.fail("Failed to create ovs bridge on remote. Status: %s"
"Stdout: %s" % (status, stdout))
if network_dict:
libvirt_network.create_or_del_network(
network_dict, remote_args=remote_virsh_dargs)
libvirt_network.create_or_del_network(network_dict)
remote_session.close()
# Change domain network xml
if iface_dict:
if "mac" not in iface_dict:
mac = utils_net.generate_mac_address_simple()
iface_dict.update({'mac': mac})
else:
mac = iface_dict["mac"]
update_iface_xml(vm_name, iface_dict)
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
if not vm.is_alive():
try:
vm.start()
except virt_vm.VMStartError as err:
test.fail("Failed to start VM: %s" % err)
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
vm_session = vm.wait_for_serial_login(timeout=240)
utils_net.restart_guest_network(vm_session)
vm_ip = utils_net.get_guest_ip_addr(vm_session, mac)
logging.debug("VM IP Addr: %s", vm_ip)
check_vm_network_accessed(vm_ip)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
func=func_name,
extra_opts=extra,
**extra_args)
mig_result = migration_test.ret
migration_test.check_result(mig_result, params)
if int(mig_result.exit_status) == 0:
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
check_vm_network_accessed(vm_ip, session=remote_session)
remote_session.close()
# Execute migration from remote
if migr_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migration_test.migrate_pre_setup(src_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name, options, src_uri)
logging.debug("Start migration: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
test.fail("Failed to run '%s' on remote: %s" %
(cmd, cmd_result))
logging.debug("VM is migrated back.")
check_vm_network_accessed(vm_ip)
finally:
logging.debug("Recover test environment")
# Clean VM on destination and source
try:
migration_test.cleanup_dest_vm(vm, vm.connect_uri, dest_uri)
except Exception as err:
logging.error(err)
if vm.is_alive():
vm.destroy(gracefully=False)
logging.info("Recovery VM XML configration")
orig_config_xml.sync()
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd, r'[$#%]')
if network_dict:
libvirt_network.create_or_del_network(
network_dict, is_del=True, remote_args=remote_virsh_dargs)
libvirt_network.create_or_del_network(network_dict, is_del=True)
if ovs_bridge_name:
utils_net.delete_ovs_bridge(ovs_bridge_name)
utils_net.delete_ovs_bridge(ovs_bridge_name,
session=remote_session)
remote_session.close()
if migr_vm_back:
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
migration_test.migrate_pre_setup(src_uri, params, cleanup=True)
logging.info("Remove local NFS image")
source_file = params.get("source_file")
if source_file:
libvirt.delete_local_disk("file", path=source_file)
def run(test, params, env):
"""
Test command: virsh migrate-setspeed <domain> <bandwidth>
virsh migrate-getspeed <domain>.
1) Prepare test environment.
2) Try to set the maximum migration bandwidth (in MiB/s)
for a domain through valid and invalid command.
3) Recover test environment.
4) Check result.
"""
# MAIN TEST CODE ###
# Process cartesian parameters
vm_name = params.get("migrate_main_vm")
bandwidth = params.get("bandwidth", "default")
options_extra = params.get("options_extra", "")
status_error = "yes" == params.get("status_error", "yes")
virsh_dargs = {'debug': True}
# Checking uris for migration
twice_migration = "yes" == params.get("twice_migration", "no")
if twice_migration:
src_uri = params.get("migrate_src_uri",
"qemu+ssh://EXAMPLE/system")
dest_uri = params.get("migrate_dest_uri",
"qemu+ssh://EXAMPLE/system")
if src_uri.count('///') or src_uri.count('EXAMPLE'):
test.cancel("The src_uri '%s' is invalid"
% src_uri)
if dest_uri.count('///') or dest_uri.count('EXAMPLE'):
test.cancel("The dest_uri '%s' is invalid"
% dest_uri)
bz1083483 = False
if bandwidth == "zero":
expected_value = 0
elif bandwidth == "one":
expected_value = 1
elif bandwidth == "negative":
expected_value = -1
bz1083483 = True
elif bandwidth == "default":
expected_value = DEFAULT
elif bandwidth == "UINT32_MAX":
expected_value = UINT32_MiB
elif bandwidth == "INT64_MAX":
expected_value = INT64_MiB
elif bandwidth == "UINT64_MAX":
expected_value = UINT64_MiB
bz1083483 = True
elif bandwidth == "INVALID_VALUE":
expected_value = INT64_MiB + 1
bz1083483 = True
else:
expected_value = bandwidth
orig_value = virsh.migrate_getspeed(vm_name).stdout.strip()
def set_get_speed(vm_name, expected_value, status_error=False,
options_extra="", **virsh_dargs):
"""Set speed and check its result"""
result = virsh.migrate_setspeed(vm_name, expected_value,
options_extra, **virsh_dargs)
status = result.exit_status
err = result.stderr.strip()
# Check status_error
if status_error:
if status == 0 or err == "":
# Without code for bz1083483 applied, this will succeed
# when it shouldn't be succeeding.
if bz1083483 and not libvirt_version.version_compare(1, 2, 4):
test.cancel("bz1083483 should result in fail")
else:
test.fail("Expect fail, but run successfully!")
# no need to perform getspeed if status_error is true
return
else:
if status != 0 or err != "":
test.fail("Run failed with right "
"virsh migrate-setspeed command")
result = virsh.migrate_getspeed(vm_name, **virsh_dargs)
status = result.exit_status
actual_value = result.stdout.strip()
err = result.stderr.strip()
if status != 0 or err != "":
test.fail("Run failed with virsh migrate-getspeed")
logging.info("The expected bandwidth is %s MiB/s, "
"the actual bandwidth is %s MiB/s"
% (expected_value, actual_value))
if int(actual_value) != int(expected_value):
test.fail("Bandwidth value from getspeed "
"is different from expected value "
"set by setspeed")
def verify_migration_speed(test, params, env):
"""
Check if migration speed is effective with twice migration.
"""
vms = env.get_all_vms()
src_uri = params.get("migrate_src_uri", "qemu+ssh://EXAMPLE/system")
dest_uri = params.get("migrate_dest_uri", "qemu+ssh://EXAMPLE/system")
if not len(vms):
test.cancel("Please provide migrate_vms for test.")
if src_uri.count('///') or src_uri.count('EXAMPLE'):
test.cancel("The src_uri '%s' is invalid" % src_uri)
if dest_uri.count('///') or dest_uri.count('EXAMPLE'):
test.cancel("The dest_uri '%s' is invalid" % dest_uri)
remote_host = params.get("migrate_dest_host")
username = params.get("migrate_dest_user", "root")
password = params.get("migrate_dest_pwd")
# Config ssh autologin for remote host
ssh_key.setup_ssh_key(remote_host, username, password, port=22)
# Check migrated vms' state
for vm in vms:
if vm.is_dead():
vm.start()
load_vm_names = params.get("load_vms").split()
# vms for load
load_vms = []
for vm_name in load_vm_names:
load_vms.append(libvirt_vm.VM(vm_name, params, test.bindir,
env.get("address_cache")))
params["load_vms"] = load_vms
bandwidth = int(params.get("bandwidth", "4"))
stress_type = params.get("stress_type", "load_vms_booting")
migration_type = params.get("migration_type", "orderly")
thread_timeout = int(params.get("thread_timeout", "60"))
delta = float(params.get("allowed_delta", "0.1"))
virsh_migrate_timeout = int(params.get("virsh_migrate_timeout", "60"))
# virsh migrate options
virsh_migrate_options = "--live --unsafe --timeout %s" % virsh_migrate_timeout
# Migrate vms to remote host
mig_first = migration.MigrationTest()
virsh_dargs = {"debug": True}
for vm in vms:
set_get_speed(vm.name, bandwidth, virsh_dargs=virsh_dargs)
vm.wait_for_login()
utils_test.load_stress(stress_type, params=params, vms=vms)
mig_first.do_migration(vms, src_uri, dest_uri, migration_type,
options=virsh_migrate_options, thread_timeout=thread_timeout)
for vm in vms:
mig_first.cleanup_dest_vm(vm, None, dest_uri)
# Keep it clean for second migration
if vm.is_alive():
vm.destroy()
# Migrate vms again with new bandwidth
second_bandwidth = params.get("second_bandwidth", "times")
if second_bandwidth == "half":
second_bandwidth = bandwidth / 2
speed_times = 2
elif second_bandwidth == "times":
second_bandwidth = bandwidth * 2
speed_times = 0.5
elif second_bandwidth == "same":
second_bandwidth = bandwidth
speed_times = 1
# Migrate again
for vm in vms:
if vm.is_dead():
vm.start()
vm.wait_for_login()
set_get_speed(vm.name, second_bandwidth, virsh_dargs=virsh_dargs)
utils_test.load_stress(stress_type, params=params, vms=vms)
mig_second = migration.MigrationTest()
mig_second.do_migration(vms, src_uri, dest_uri, migration_type,
options=virsh_migrate_options, thread_timeout=thread_timeout)
for vm in vms:
mig_second.cleanup_dest_vm(vm, None, dest_uri)
fail_info = []
# Check whether migration failed
if len(fail_info):
test.fail(fail_info)
for vm in vms:
first_time = mig_first.mig_time[vm.name]
second_time = mig_second.mig_time[vm.name]
logging.debug("Migration time for %s:\n"
"Time with Bandwidth '%s' first: %s\n"
"Time with Bandwidth '%s' second: %s", vm.name,
bandwidth, first_time, second_bandwidth, second_time)
shift = float(abs(first_time * speed_times - second_time)) / float(second_time)
logging.debug("Shift:%s", shift)
if delta < shift:
fail_info.append("Spent time for migrating %s is intolerable." % vm.name)
# Check again for speed result
if len(fail_info):
test.fail(fail_info)
# Run test case
try:
set_get_speed(vm_name, expected_value, status_error,
options_extra, **virsh_dargs)
if twice_migration:
verify_migration_speed(test, params, env)
else:
set_get_speed(vm_name, expected_value, status_error,
options_extra, **virsh_dargs)
finally:
#restore bandwidth to default
virsh.migrate_setspeed(vm_name, orig_value)
if twice_migration:
for vm in env.get_all_vms():
migration.MigrationTest().cleanup_dest_vm(vm, src_uri, dest_uri)
if vm.is_alive():
vm.destroy(gracefully=False)
def run(test, params, env):
"""
Test virsh migrate command.
"""
def check_vm_network_accessed(session=None):
"""
The operations to the VM need to be done before or after
migration happens
:param session: The session object to the host
:raise: test.error when ping fails
"""
# Confirm local/remote VM can be accessed through network.
logging.info("Check VM network connectivity")
s_ping, _ = utils_test.ping(vm.get_address(),
count=10,
timeout=20,
output_func=logging.debug,
session=session)
if s_ping != 0:
if session:
session.close()
test.fail("%s did not respond after %d sec." % (vm.name, 20))
def check_migration_res(result):
"""
Check if the migration result is as expected
:param result: the output of migration
:raise: test.fail if test is failed
"""
if not result:
test.error("No migration result is returned.")
logging.info("Migration out: %s", result.stdout_text.strip())
logging.info("Migration error: %s", result.stderr_text.strip())
if status_error: # Migration should fail
if err_msg: # Special error messages are expected
if not re.search(err_msg, result.stderr_text.strip()):
test.fail("Can not find the expected patterns '%s' in "
"output '%s'" %
(err_msg, result.stderr_text.strip()))
else:
logging.debug("It is the expected error message")
else:
if int(result.exit_status) != 0:
logging.debug("Migration failure is expected result")
else:
test.fail("Migration success is unexpected result")
else:
if int(result.exit_status) != 0:
test.fail(result.stderr_text.strip())
check_parameters(test, params)
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
virsh_args = {"debug": True}
virsh_options = params.get("virsh_options", "")
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
client_ip = params.get("client_ip")
client_pwd = params.get("client_pwd")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options")
guest_src_url = params.get("guest_src_url")
guest_src_path = params.get("guest_src_path",
"/var/lib/libvirt/images/guest.img")
check_disk = "yes" == params.get("check_disk")
disk_model = params.get("disk_model")
disk_target = params.get("disk_target", "vda")
controller_model = params.get("controller_model")
check_interface = "yes" == params.get("check_interface")
iface_type = params.get("iface_type", "network")
iface_model = params.get("iface_model", "virtio")
iface_params = {
'type': iface_type,
'model': iface_model,
'del_addr': True,
'source': '{"network": "default"}'
}
check_memballoon = "yes" == params.get("check_memballoon")
membal_model = params.get("membal_model")
check_rng = "yes" == params.get("check_rng")
rng_model = params.get("rng_model")
migr_vm_back = "yes" == params.get("migrate_vm_back", "no")
status_error = "yes" == params.get("status_error", "no")
remote_virsh_dargs = {
'remote_ip': server_ip,
'remote_user': server_user,
'remote_pwd': server_pwd,
'unprivileged_user': None,
'ssh_remote_auth': True
}
xml_check_after_mig = params.get("guest_xml_check_after_mig")
err_msg = params.get("err_msg")
vm_session = None
remote_virsh_session = None
vm = None
mig_result = None
if not libvirt_version.version_compare(5, 0, 0):
test.cancel("This libvirt version doesn't support "
"virtio-transitional model.")
# Make sure all of parameters are assigned a valid value
check_parameters(test, params)
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
migration_test = migration.MigrationTest()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
# download guest source and update interface model to keep guest up
if guest_src_url:
blk_source = download.get_file(guest_src_url, guest_src_path)
if not blk_source:
test.error("Fail to download image.")
params["blk_source_name"] = blk_source
if (not check_interface) and iface_model:
iface_dict = {'model': iface_model}
libvirt.modify_vm_iface(vm_name, "update_iface", iface_dict)
if not check_disk:
params["disk_model"] = "virtio-transitional"
if check_interface:
libvirt.modify_vm_iface(vm_name, "update_iface", iface_params)
if check_memballoon:
membal_dict = {'membal_model': membal_model}
dom_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
libvirt.update_memballoon_xml(dom_xml, membal_dict)
if check_rng:
rng_dict = {'rng_model': rng_model}
rng_xml = libvirt.create_rng_xml(rng_dict)
dom_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
libvirt.add_vm_device(dom_xml, rng_xml)
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
vm_session = vm.wait_for_login(restart_network=True)
check_vm_network_accessed()
# Execute migration process
vms = [vm]
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
extra_opts=extra)
mig_result = migration_test.ret
check_migration_res(mig_result)
if int(mig_result.exit_status) == 0:
server_session = remote.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
check_vm_network_accessed(server_session)
server_session.close()
if xml_check_after_mig:
if not remote_virsh_session:
remote_virsh_session = virsh.VirshPersistent(
**remote_virsh_dargs)
target_guest_dumpxml = (remote_virsh_session.dumpxml(
vm_name, debug=True, ignore_status=True).stdout_text.strip())
if check_disk:
check_str = disk_model if disk_model else controller_model
if check_interface:
check_str = iface_model
if check_memballoon:
check_str = membal_model
if check_rng:
check_str = rng_model
xml_check_after_mig = "%s'%s'" % (xml_check_after_mig, check_str)
if not re.search(xml_check_after_mig, target_guest_dumpxml):
test.fail("Fail to search '%s' in target guest XML:\n%s" %
(xml_check_after_mig, target_guest_dumpxml))
remote_virsh_session.close_session()
# Execute migration from remote
if migr_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migration_test.migrate_pre_setup(src_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name, virsh_options, src_uri)
logging.debug("Start migration: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
test.fail("Failed to run '%s' on remote: %s" %
(cmd, cmd_result))
finally:
logging.debug("Recover test environment")
# Clean VM on destination
vm.connect_uri = ''
migration_test.cleanup_dest_vm(vm, src_uri, dest_uri)
logging.info("Recovery VM XML configration")
orig_config_xml.sync()
logging.debug("The current VM XML:\n%s", orig_config_xml.xmltreefile)
# Clean up of pre migration setup for local machine
if migr_vm_back:
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
migration_test.migrate_pre_setup(src_uri, params, cleanup=True)
if remote_virsh_session:
remote_virsh_session.close_session()
logging.info("Remove local NFS image")
source_file = params.get("source_file")
libvirt.delete_local_disk("file", path=source_file)
if guest_src_url and blk_source:
libvirt.delete_local_disk("file", path=blk_source)
def run(test, params, env):
"""
Test migration over unix socket.
1) Migrate vm over unix socket
2) Migrate vm over unix socket - libvirt tunnelled(--tunnelled)
3) Migrate vm over unix socket - enable multifd(--parallel)
4) Migrate vm with copy storage over unix socket - one disk
5) Migrate vm with copy storage over unix socket - multiple disks
6) Abort migration over unix socket and migrate again
7) Abort migration with copy storage over unix socket, and migrate again
8) Migrate vm with copy storage over unix socket - multiple disks
- enable multifd(--parallel)
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def update_disk(vm, params):
"""
Update disk for testing.
:param vm: vm object.
:param params: the parameters used.
:return: updated images.
"""
local_image_list = []
remote_image_list = []
vm_did_list = []
# Change the disk of the vm
if storage_type == "nfs":
libvirt.set_vm_disk(vm, params)
else:
disk_format = params.get("disk_format", "qcow2")
disk_num = eval(params.get("disk_num", "1"))
blk_source = vm.get_first_disk_devices()['source']
vsize = utils_misc.get_image_info(blk_source).get("vsize")
remote_session = remote.remote_login("ssh", server_ip, "22",
server_user, server_pwd,
r'[$#%]')
# Create disk on remote host
utils_misc.make_dirs(os.path.dirname(blk_source), remote_session)
libvirt_disk.create_disk("file",
disk_format=disk_format,
path=blk_source,
size=vsize,
session=remote_session)
remote_image_list.append(blk_source)
for idx in range(2, disk_num + 1):
disk_path = os.path.join(os.path.dirname(blk_source),
"test%s.img" % str(idx))
# Create disk on local
libvirt_disk.create_disk("file",
disk_format=disk_format,
path=disk_path)
local_image_list.append(disk_path)
target_dev = 'vd' + chr(idx + ord('a') - 1)
new_disk_dict = {"driver_type": disk_format}
vm_was_running = vm.is_alive()
libvirt_pcicontr.reset_pci_num(vm_name)
if vm_was_running and not vm.is_alive():
vm.start()
vm.wait_for_login().close()
result = libvirt.attach_additional_device(
vm_name, target_dev, disk_path, new_disk_dict, False)
libvirt.check_exit_status(result)
libvirt_disk.create_disk("file",
disk_format=disk_format,
path=disk_path,
session=remote_session)
remote_image_list.append(disk_path)
vm_did_list.append(target_dev)
remote_session.close()
return local_image_list, remote_image_list, vm_did_list
def check_socket(params):
"""
Check sockets' number
:param params: the parameters used
:raise: test.fail when command fails
"""
postcopy_options = params.get("postcopy_options")
vm_name = params.get("migrate_main_vm")
exp_num = params.get("expected_socket_num", "2")
if postcopy_options:
migration_test.set_migratepostcopy(vm_name)
cmd = ("netstat -xanp|grep -E \"CONNECTED"
".*(desturi-socket|migrateuri-socket)\" | wc -l")
res = process.run(cmd, shell=True).stdout_text.strip()
if res != exp_num:
test.fail("There should be {} connected unix sockets, "
"but found {} sockets.".format(exp_num, res))
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Local variables
virsh_args = {"debug": True}
server_ip = params["server_ip"] = params.get("remote_ip")
server_user = params["server_user"] = params.get("remote_user", "root")
server_pwd = params["server_pwd"] = params.get("remote_pwd")
client_ip = params["client_ip"] = params.get("local_ip")
client_pwd = params["client_pwd"] = params.get("local_pwd")
virsh_options = params.get("virsh_options", "")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options", "--live --p2p --verbose")
storage_type = params.get("storage_type")
disk_num = params.get("disk_num")
desturi_port = params.get("desturi_port", "22222")
migrateuri_port = params.get("migrateuri_port", "33333")
disks_uri_port = params.get("disks_uri_port", "44444")
migrate_again = "yes" == params.get("migrate_again", "no")
action_during_mig = params.get("action_during_mig")
if action_during_mig:
action_during_mig = eval(action_during_mig)
extra_args = migration_test.update_virsh_migrate_extra_args(params)
mig_result = None
local_image_list = []
remote_image_list = []
vm_did_list = []
if not libvirt_version.version_compare(6, 6, 0):
test.cancel("This libvirt version doesn't support "
"migration over unix.")
if storage_type == "nfs":
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# params for migration connection
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
dest_uri_ssh = libvirt_vm.complete_uri(params.get("migrate_dest_host"))
unix_obj = None
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
bk_uri = vm.connect_uri
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
unix_obj = utils_conn.UNIXSocketConnection(params)
unix_obj.conn_setup()
unix_obj.auto_recover = True
local_image_list, remote_image_list, vm_did_list = update_disk(
vm, params)
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
vm_session = vm.wait_for_login()
for did in vm_did_list:
utils_disk.linux_disk_check(vm_session, did)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=600,
ignore_status=True,
virsh_opt=virsh_options,
func=action_during_mig,
extra_opts=extra,
**extra_args)
mig_result = migration_test.ret
if migrate_again:
logging.debug(
"Sleeping 10 seconds before rerunning the migration.")
time.sleep(10)
if params.get("migrate_again_clear_func", "yes") == "yes":
action_during_mig = None
extra_args["status_error"] = params.get(
"migrate_again_status_error", "no")
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
extra_opts=extra,
func=action_during_mig,
**extra_args)
mig_result = migration_test.ret
if int(mig_result.exit_status) == 0:
vm.connect_uri = dest_uri_ssh
if not utils_misc.wait_for(
lambda: virsh.is_alive(
vm_name, uri=dest_uri_ssh, debug=True), 60):
test.fail("The migrated VM should be alive!")
if vm_did_list:
vm_session_after_mig = vm.wait_for_serial_login(timeout=240)
for did in vm_did_list:
vm_session_after_mig.cmd("echo mytest >> /mnt/%s1/mytest" %
did)
finally:
logging.info("Recover test environment")
vm.connect_uri = bk_uri
# Clean VM on destination and source
migration_test.cleanup_vm(vm, dest_uri)
orig_config_xml.sync()
# Remove image files
for source_file in local_image_list:
libvirt.delete_local_disk("file", path=source_file)
for img in remote_image_list:
remote.run_remote_cmd("rm -rf %s" % img, params)
def run(test, params, env):
"""
Test virsh migrate command.
"""
def cleanup_vm(vm, vm_name='', uri=''):
"""
Clean up vm in the src or destination host environment
when doing the uni-direction migration.
"""
# Backup vm name and uri
uri_bak = vm.connect_uri
vm_name_bak = vm.name
# Destroy and undefine vm
vm.connect_uri = uri if uri else uri_bak
vm.name = vm_name if vm_name else vm_name_bak
logging.info("Cleaning up VM %s on %s", vm.name, vm.connect_uri)
if vm.is_alive():
vm.destroy()
if vm.is_persistent():
vm.undefine()
# Restore vm connect_uri
vm.connect_uri = uri_bak
vm.name = vm_name_bak
# Check whether there are unset parameters
for v in list(itervalues(params)):
if isinstance(v, string_types) and v.count("EXAMPLE"):
test.cancel("Please set real value for %s" % v)
# Params for virsh migrate options:
live_migration = params.get("live_migration") == "yes"
offline_migration = params.get("offline_migration") == "yes"
persistent = params.get("persistent") == "yes"
undefinesource = params.get("undefinesource") == "yes"
p2p = params.get("p2p") == "yes"
tunnelled = params.get("tunnelled") == "yes"
postcopy = params.get("postcopy") == "yes"
dname = params.get("dname")
xml_option = params.get("xml_option") == "yes"
persistent_xml_option = params.get("persistent_xml_option") == "yes"
extra_options = params.get("virsh_migrate_extra", "")
if live_migration and not extra_options.count("--live"):
extra_options = "%s --live" % extra_options
if offline_migration and not extra_options.count("--offline"):
extra_options = "%s --offline" % extra_options
if persistent and not extra_options.count("--persistent"):
extra_options = "%s --persistent" % extra_options
if undefinesource and not extra_options.count("--undefinesource"):
extra_options = "%s --undefinesource" % extra_options
if p2p and not extra_options.count("--p2p"):
extra_options = "%s --p2p" % extra_options
if tunnelled and not extra_options.count("--tunnelled"):
extra_options = "%s --tunnelled" % extra_options
if tunnelled and not extra_options.count("--p2p"):
extra_options = "%s --p2p" % extra_options
if postcopy and not extra_options.count("--postcopy"):
extra_options = "%s --postcopy" % extra_options
if dname and not extra_options.count("--dname"):
extra_options = "%s --dname %s" % (extra_options, dname)
if xml_option:
pass
if persistent_xml_option and not extra_options.count("--persistent"):
extra_options = "%s --persistent" % extra_options
if persistent_xml_option:
pass
# Set param migrate_options in case it is used somewhere:
params.setdefault("migrate_options", extra_options)
# Params for postcopy migration
postcopy_timeout = int(params.get("postcopy_migration_timeout", "180"))
# Params for migrate hosts:
server_cn = params.get("server_cn")
client_cn = params.get("client_cn")
migrate_source_host = client_cn if client_cn else params.get(
"migrate_source_host")
migrate_dest_host = server_cn if server_cn else params.get(
"migrate_dest_host")
# Params for migrate uri
transport = params.get("transport", "tls")
transport_port = params.get("transport_port")
uri_port = ":%s" % transport_port if transport_port else ''
hypervisor_driver = params.get("hypervisor_driver", "qemu")
hypervisor_mode = params.get("hypervisor_mode", 'system')
if "virsh_migrate_desturi" not in list(params.keys()):
params["virsh_migrate_desturi"] = "%s+%s://%s%s/%s" % (
hypervisor_driver, transport, migrate_dest_host, uri_port,
hypervisor_mode)
if "virsh_migrate_srcuri" not in list(params.keys()):
params["virsh_migrate_srcuri"] = "%s:///%s" % (hypervisor_driver,
hypervisor_mode)
dest_uri = params.get("virsh_migrate_desturi")
src_uri = params.get("virsh_migrate_srcuri")
# Params for src vm cfg:
src_vm_cfg = params.get("src_vm_cfg")
src_vm_status = params.get("src_vm_status")
with_graphic_passwd = params.get("with_graphic_passwd")
graphic_passwd = params.get("graphic_passwd")
# For test result check
cancel_exception = False
fail_exception = False
exception = False
result_check_pass = True
# Objects(SSH, TLS and TCP, etc) to be cleaned up in finally
objs_list = []
# VM objects for migration test
vms = []
try:
# Get a MigrationTest() Object
logging.debug("Get a MigrationTest() object")
obj_migration = migration.MigrationTest()
# Setup libvirtd remote connection TLS connection env
if transport == "tls":
tls_obj = TLSConnection(params)
# Setup CA, server(on dest host) and client(on src host)
tls_obj.conn_setup()
# Add tls_obj to objs_list
objs_list.append(tls_obj)
# Enable libvirtd remote connection transport port
if transport == 'tls':
transport_port = '16514'
elif transport == 'tcp':
transport_port = '16509'
obj_migration.migrate_pre_setup(dest_uri, params, ports=transport_port)
# Back up vm name for recovery in finally
vm_name_backup = params.get("migrate_main_vm")
# Get a vm object for migration
logging.debug("Get a vm object for migration")
vm = env.get_vm(vm_name_backup)
# Back up vm xml for recovery in finally
logging.debug("Backup vm xml before migration")
vm_xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm.name)
if not vm_xml_backup:
test.error("Backing up xmlfile failed.")
# Prepare shared disk in vm xml for live migration:
# Change the source of the first disk of vm to shared disk
if live_migration:
logging.debug("Prepare shared disk in vm xml for live migration")
storage_type = params.get("storage_type")
if storage_type == 'nfs':
logging.debug("Prepare nfs shared disk in vm xml")
nfs_mount_dir = params.get("nfs_mount_dir")
libvirt.update_vm_disk_source(vm.name, nfs_mount_dir)
libvirt.update_vm_disk_driver_cache(vm.name,
driver_cache="none")
else:
# TODO:Other storage types
test.cancel("Other storage type is not supported for now")
pass
# Prepare graphic password in vm xml
if with_graphic_passwd in ["yes", "no"]:
logging.debug("Set VM graphic passwd in vm xml")
# Get graphics list in vm xml
vmxml_tmp = vm_xml.VMXML.new_from_inactive_dumpxml(vm.name)
graphics_list = vmxml_tmp.get_graphics_devices
if not graphics_list:
# Add spice graphic with passwd to vm xml
logging.debug("Add spice graphic to vm xml")
graphics.Graphics.add_graphic(vm.name, graphic_passwd, "spice")
elif graphic_passwd:
# Graphics already exist in vm xml and passwd is required
# Add passwd to the first graphic device in vm xml
logging.debug("Add graphic passwd to vm xml")
vm_xml.VMXML.add_security_info(vmxml_tmp, graphic_passwd)
vmxml_tmp.sync()
else:
# Graphics already exist in vm xml and non-passwd is required
# Do nothing here as passwd has been removed by new_from_inactive_dumpxml()
pass
# Prepare for required src vm status.
logging.debug("Turning %s into certain state.", vm.name)
if src_vm_status == "running" and not vm.is_alive():
vm.start()
elif src_vm_status == "shut off" and not vm.is_dead():
vm.destroy()
# Prepare for required src vm persistency.
logging.debug("Prepare for required src vm persistency")
if src_vm_cfg == "persistent" and not vm.is_persistent():
logging.debug("Make src vm persistent")
vm_xml_backup.define()
elif src_vm_cfg == "transient" and vm.is_persistent():
logging.debug("Make src vm transient")
vm.undefine()
# Prepare for postcopy migration: install and run stress in VM
if postcopy and src_vm_status == "running":
logging.debug(
"Install and run stress in vm for postcopy migration")
pkg_name = 'stress'
# Get a vm session
logging.debug("Get a vm session")
vm_session = vm.wait_for_login()
if not vm_session:
test.error("Can't get a vm session successfully")
# Install package stress if it is not installed in vm
logging.debug(
"Check if stress tool is installed for postcopy migration")
pkg_mgr = utils_package.package_manager(vm_session, pkg_name)
if not pkg_mgr.is_installed(pkg_name):
logging.debug("Stress tool will be installed")
if not pkg_mgr.install():
test.error("Package '%s' installation fails" % pkg_name)
# Run stress in vm
logging.debug("Run stress in vm")
stress_args = params.get("stress_args")
vm_session.cmd('stress %s' % stress_args)
# Prepare for --xml <updated_xml_file>.
if xml_option:
logging.debug("Preparing new xml file for --xml option.")
# Get the vm xml
vmxml_tmp = vm_xml.VMXML.new_from_dumpxml(
vm.name, "--security-info --migratable")
# Update something in the xml file: e.g. title
# Note: VM ABI shall not be broken when migrating with updated_xml
updated_title = "VM Title in updated xml"
vmxml_tmp.title = updated_title
# Add --xml to migrate extra_options
extra_options = ("%s --xml=%s" % (extra_options, vmxml_tmp.xml))
# Prepare for --persistent-xml <updated_xml_file>.
if persistent_xml_option:
logging.debug(
"Preparing new xml file for --persistent-xml option.")
# Get the vm xml
vmxml_persist_tmp = vm_xml.VMXML.new_from_inactive_dumpxml(
vm.name, "--security-info")
# Update something in the xml file: e.g. title
# Note: VM ABI shall not be broken when migrating with updated_xml
updated_persist_title = "VM Title in updated persist xml"
vmxml_persist_tmp.title = updated_persist_title
# Add --persistent-xml to migrate extra_options
extra_options = ("%s --persistent-xml=%s" %
(extra_options, vmxml_persist_tmp.xml))
# Prepare host env: clean up vm on dest host
logging.debug("Clean up vm on dest host before migration")
if dname:
cleanup_vm(vm, dname, dest_uri)
else:
cleanup_vm(vm, vm.name, dest_uri)
# Prepare host env: set selinux state before migration
logging.debug("Set selinux to enforcing before migration")
utils_selinux.set_status(params.get("selinux_state", "enforcing"))
# Check vm network connectivity by ping before migration
logging.debug("Check vm network before migration")
if src_vm_status == "running":
obj_migration.ping_vm(vm, params)
# Get VM uptime before migration
if src_vm_status == "running":
vm_uptime = vm.uptime()
logging.info("Check VM uptime before migration: %s", vm_uptime)
# Print vm active xml before migration
process.system_output("virsh dumpxml %s --security-info" % vm.name,
shell=True)
# Print vm inactive xml before migration
process.system_output("virsh dumpxml %s --security-info --inactive" %
vm.name,
shell=True)
# Do uni-direction migration.
# NOTE: vm.connect_uri will be set to dest_uri once migration is complete successfully
logging.debug("Start to do migration test.")
vms.append(vm)
if postcopy:
# Monitor the qemu monitor event of "postcopy-active" for postcopy migration
logging.debug(
"Monitor the qemu monitor event for postcopy migration")
virsh_session = virsh.VirshSession(virsh_exec=virsh.VIRSH_EXEC,
auto_close=True)
cmd = "qemu-monitor-event --loop --domain %s --event MIGRATION" % vm.name
virsh_session.sendline(cmd)
# Do live migration and switch to postcopy by "virsh migrate-postcopy"
logging.debug("Start to do postcopy migration")
obj_migration.do_migration(vms,
src_uri,
dest_uri,
"orderly",
options="",
thread_timeout=postcopy_timeout,
ignore_status=True,
func=virsh.migrate_postcopy,
extra_opts=extra_options,
shell=True)
# Check migration result
obj_migration.check_result(obj_migration.ret, params)
# Check "postcopy-active" event after postcopy migration
logging.debug(
"Check postcopy-active event after postcopy migration")
virsh_session.send_ctrl("^C")
events_output = virsh_session.get_stripped_output()
logging.debug("events_output are %s", events_output)
pattern = "postcopy-active"
if not re.search(pattern, events_output):
test.fail("Migration didn't switch to postcopy mode")
virsh_session.close()
virsh_session.close()
else:
logging.debug("Start to do precopy migration")
obj_migration.do_migration(vms,
src_uri,
dest_uri,
"orderly",
options="",
ignore_status=True,
extra_opts=extra_options)
# Check migration result
obj_migration.check_result(obj_migration.ret, params)
"""
# Check src vm after migration
# First, update vm name and connect_uri to src vm's
"""
vm.name = vm_name_backup
vm.connect_uri = src_uri
logging.debug("Start to check %s state on src %s after migration.",
vm.name, src_uri)
# Check src vm status after migration: existence, running, shutoff, etc
logging.debug("Check vm status on source after migration")
if offline_migration:
if src_vm_status == "shut off" and undefinesource:
if vm.exists():
result_check_pass = False
logging.error(
"Src vm should not exist after offline migration"
" with --undefinesource")
logging.debug("Src vm state is %s" % vm.state())
elif not libvirt.check_vm_state(
vm.name, src_vm_status, uri=vm.connect_uri):
result_check_pass = False
logging.error("Src vm should be %s after offline migration" %
src_vm_status)
logging.debug("Src vm state is %s" % vm.state())
if live_migration:
if not undefinesource and src_vm_cfg == "persistent":
if not libvirt.check_vm_state(
vm.name, "shut off", uri=vm.connect_uri):
result_check_pass = False
logging.error(
"Src vm should be shutoff after live migration")
logging.debug("Src vm state is %s" % vm.state())
elif vm.exists():
result_check_pass = False
logging.error("Src vm should not exist after live migration")
logging.debug("Src vm state is %s" % vm.state())
# Check src vm status after migration: persistency
logging.debug("Check vm persistency on source after migration")
if src_vm_cfg == "persistent" and not undefinesource:
if not vm.is_persistent():
# Src vm should be persistent after migration without --undefinesource
result_check_pass = False
logging.error("Src vm should be persistent after migration")
elif vm.is_persistent():
result_check_pass = False
logging.error("Src vm should be not be persistent after migration")
"""
# Check dst vm after migration
# First, update vm name and connect_uri to dst vm's
"""
vm.name = dname if dname else vm.name
vm.connect_uri = dest_uri
logging.debug("Start to check %s state on target %s after migration.",
vm.name, vm.connect_uri)
# Check dst vm status after migration: running, shutoff, etc
logging.debug("Check vm status on target after migration")
if live_migration:
if not libvirt.check_vm_state(
vm.name, src_vm_status, uri=vm.connect_uri):
result_check_pass = False
logging.error("Dst vm should be %s after live migration",
src_vm_status)
elif vm.is_alive():
result_check_pass = False
logging.error("Dst vm should not be alive after offline migration")
# Print vm active xml after migration
process.system_output("virsh -c %s dumpxml %s --security-info" %
(vm.connect_uri, vm.name),
shell=True)
# Print vm inactive xml after migration
process.system_output(
"virsh -c %s dumpxml %s --security-info --inactive" %
(vm.connect_uri, vm.name),
shell=True)
# Check dst vm xml after migration
logging.debug("Check vm xml on target after migration")
remote_virsh = virsh.Virsh(uri=vm.connect_uri)
vmxml_active_tmp = vm_xml.VMXML.new_from_dumpxml(
vm.name, "--security-info", remote_virsh)
vmxml_inactive_tmp = vm_xml.VMXML.new_from_inactive_dumpxml(
vm.name, "--security-info", remote_virsh)
# Check dst vm xml after migration: --xml <updated_xml_file>
if xml_option and not offline_migration:
logging.debug("Check vm active xml for --xml")
if not vmxml_active_tmp.title == updated_title:
print("vmxml active tmp title is %s" % vmxml_active_tmp.title)
result_check_pass = False
logging.error("--xml doesn't take effect in migration")
if xml_option and offline_migration:
logging.debug("Check vm inactive xml for --xml")
if not vmxml_active_tmp.title == updated_title:
result_check_pass = False
logging.error("--xml doesn't take effect in migration")
# Check dst vm xml after migration: --persistent-xml <updated_xml_file>
if persistent_xml_option:
logging.debug("Check vm inactive xml for --persistent-xml")
if not offline_migration and not vmxml_inactive_tmp.title == updated_persist_title:
print("vmxml inactive tmp title is %s" %
vmxml_inactive_tmp.title)
result_check_pass = False
logging.error(
"--persistent-xml doesn't take effect in live migration")
elif offline_migration and vmxml_inactive_tmp.title == updated_persist_title:
result_check_pass = False
logging.error(
"--persistent-xml should not take effect in offline "
"migration")
# Check dst vm xml after migration: graphic passwd
if with_graphic_passwd == "yes":
logging.debug("Check graphic passwd in vm xml after migration")
graphic_active = vmxml_active_tmp.devices.by_device_tag(
'graphics')[0]
graphic_inactive = vmxml_inactive_tmp.devices.by_device_tag(
'graphics')[0]
try:
logging.debug("Check graphic passwd in active vm xml")
if graphic_active.passwd != graphic_passwd:
result_check_pass = False
logging.error(
"Graphic passwd in active xml of dst vm should be %s",
graphic_passwd)
logging.debug("Check graphic passwd in inactive vm xml")
if graphic_inactive.passwd != graphic_passwd:
result_check_pass = False
logging.error(
"Graphic passwd in inactive xml of dst vm should be %s",
graphic_passwd)
except LibvirtXMLNotFoundError:
result_check_pass = False
logging.error("Graphic passwd lost in dst vm xml")
# Check dst vm uptime, network, etc after live migration
if live_migration:
# Check dst VM uptime after migration
# Note: migrated_vm_uptime should be greater than the vm_uptime got
# before migration
migrated_vm_uptime = vm.uptime(connect_uri=dest_uri)
logging.info(
"Check VM uptime in destination after "
"migration: %s", migrated_vm_uptime)
if not migrated_vm_uptime:
result_check_pass = False
logging.error("Failed to check vm uptime after migration")
elif vm_uptime > migrated_vm_uptime:
result_check_pass = False
logging.error(
"VM went for a reboot while migrating to destination")
# Check dst VM network connectivity after migration
logging.debug("Check VM network connectivity after migrating")
obj_migration.ping_vm(vm, params, uri=dest_uri)
# Restore vm.connect_uri as it is set to src_uri in ping_vm()
logging.debug(
"Restore vm.connect_uri as it is set to src_uri in ping_vm()")
vm.connect_uri = dest_uri
# Check dst vm status after migration: persistency
logging.debug("Check vm persistency on target after migration")
if persistent:
if not vm.is_persistent():
result_check_pass = False
logging.error("Dst vm should be persistent after migration "
"with --persistent")
time.sleep(10)
# Destroy vm and check vm state should be shutoff. BZ#1076354
vm.destroy()
if not libvirt.check_vm_state(
vm.name, "shut off", uri=vm.connect_uri):
result_check_pass = False
logging.error(
"Dst vm with name %s should exist and be shutoff", vm.name)
elif vm.is_persistent():
result_check_pass = False
logging.error("Dst vm should not be persistent after migration "
"without --persistent")
finally:
logging.debug("Start to clean up env")
# Clean up vm on dest and src host
for vm in vms:
cleanup_vm(vm, vm_name=dname, uri=dest_uri)
cleanup_vm(vm, vm_name=vm_name_backup, uri=src_uri)
# Recover source vm defination (just in case).
logging.info("Recover vm defination on source")
if vm_xml_backup:
vm_xml_backup.define()
# Clean up SSH, TCP, TLS test env
if objs_list and len(objs_list) > 0:
logging.debug("Clean up test env: SSH, TCP, TLS, etc")
for obj in objs_list:
obj.auto_recover = True
obj.__del__()
# Disable libvirtd remote connection transport port
obj_migration.migrate_pre_setup(dest_uri,
params,
cleanup=True,
ports=transport_port)
# Check test result.
if not result_check_pass:
test.fail("Migration succeed, but some check points didn't pass."
"Please check the error log for details")
def run(test, params, env):
"""
Test migration with memory related configuration
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
migrate_vm_back = "yes" == params.get("migrate_vm_back", "no")
remote_ip = params.get("remote_ip")
remote_user = params.get("remote_user")
remote_pwd = params.get("remote_pwd")
local_ip = params.get("local_ip")
local_pwd = params.get("local_pwd")
ballooned_mem = params.get("ballooned_mem")
check = params.get("check")
remove_dict = {}
src_libvirt_file = None
remote_virsh_dargs = {
'remote_ip': remote_ip,
'remote_user': remote_user,
'remote_pwd': remote_pwd,
'unprivileged_user': None,
'ssh_remote_auth': True
}
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
virsh_args = {"debug": True}
virsh_options = params.get("virsh_options", "")
options = params.get("virsh_migrate_options", "--live --verbose")
func_params_exists = "yes" == params.get("func_params_exists", "yes")
log_file = params.get("log_outputs",
"/var/log/libvirt/libvirtd_daemons.log")
check_str_local_log = params.get("check_str_local_log", "")
libvirtd_conf_dict = eval(params.get("libvirtd_conf_dict", '{}'))
func_name = None
libvirtd_conf = None
mig_result = None
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
extra_args = {}
if func_params_exists:
extra_args.update({'func_params': params})
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
if check == "mem_balloon":
# Update memory balloon device to correct model
membal_dict = {
'membal_model': 'virtio',
'membal_stats_period': '10'
}
libvirt.update_memballoon_xml(new_xml, membal_dict)
if check == "mem_device":
libvirt_cpu.add_cpu_settings(new_xml, params)
dimm_params = {
k.replace('memdev_', ''): v
for k, v in params.items() if k.startswith('memdev_')
}
dimm_xml = utils_hotplug.create_mem_xml(**dimm_params)
libvirt.add_vm_device(new_xml, dimm_xml)
logging.debug(virsh.dumpxml(vm_name))
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
remove_dict = {"do_search": '{"%s": "ssh:/"}' % dest_uri}
src_libvirt_file = libvirt_config.remove_key_for_modular_daemon(
remove_dict)
# Update libvirtd configuration
if libvirtd_conf_dict:
if os.path.exists(log_file):
logging.debug("Delete local libvirt log file '%s'", log_file)
os.remove(log_file)
logging.debug("Update libvirtd configuration file")
conf_type = params.get("conf_type", "libvirtd")
if conf_type == "libvirtd" and utils_split_daemons.is_modular_daemon(
):
conf_type = "virtqemud"
libvirtd_conf = libvirt.customize_libvirt_config(
libvirtd_conf_dict, conf_type)
try:
if not vm.is_alive():
vm.start()
except virt_vm.VMStartError as e:
logging.info("Failed to start VM")
test.fail("Failed to start VM: %s" % vm_name)
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
vm.wait_for_login(restart_network=True).close()
migration_test.ping_vm(vm, params)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
func=func_name,
**extra_args)
mig_result = migration_test.ret
migration_test.check_result(mig_result, params)
if int(mig_result.exit_status) == 0:
migration_test.ping_vm(vm, params, uri=dest_uri)
if check_str_local_log:
libvirt.check_logfile(check_str_local_log, log_file)
if check == "mem_balloon":
remote_virsh_session = virsh.VirshPersistent(**remote_virsh_dargs)
remote_virsh_session.setmem(vm_name, ballooned_mem, None, None,
False, "", **virsh_args)
def check_mem_balloon():
"""Check if memory balloon worked"""
memstat_ouput = remote_virsh_session.dommemstat(
vm_name, "", **virsh_args)
memstat_after = memstat_ouput.stdout_text
mem_after = memstat_after.splitlines()[0].split()[1]
if mem_after != ballooned_mem:
logging.debug("Current memory size is: %s" % mem_after)
return False
return True
check_ret = utils_misc.wait_for(check_mem_balloon, timeout=20)
if not check_ret:
test.fail("Memory is not ballooned to the expected size: %s" %
ballooned_mem)
remote_virsh_session.close_session()
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=remote_ip,
username=remote_user,
password=remote_pwd)
if check == "mem_device":
qemu_checks = params.get('qemu_checks', '').split('`')
logging.debug("qemu_checks:%s" % qemu_checks[0])
for qemu_check in qemu_checks:
libvirt.check_qemu_cmd_line(qemu_check, False, params,
runner_on_target)
if migrate_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=remote_ip,
server_pwd=remote_pwd,
client_ip=local_ip,
client_pwd=local_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
src_full_uri = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
migration_test.migrate_pre_setup(src_full_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name, options, src_full_uri)
logging.debug("Start migration: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
destroy_cmd = "virsh destroy %s" % vm_name
remote.run_remote_cmd(destroy_cmd,
params,
runner_on_target,
ignore_status=False)
test.fail("Failed to run '%s' on remote: %s" %
(cmd, cmd_result))
finally:
logging.debug("Recover test environment")
# Clean VM on destination and source
try:
migration_test.cleanup_dest_vm(vm, vm.connect_uri, dest_uri)
if vm.is_alive():
vm.destroy(gracefully=False)
except Exception as err:
logging.error(err)
logging.info("Recovery VM XML configration")
orig_config_xml.sync()
if libvirtd_conf:
logging.debug("Recover the configurations")
libvirt.customize_libvirt_config(None,
is_recover=True,
config_object=libvirtd_conf)
if src_libvirt_file:
src_libvirt_file.restore()
def run(test, params, env):
"""
Test command: migrate-compcache <domain> [--size <number>]
1) Run migrate-compcache command and check return code.
"""
vm_ref = params.get("vm_ref", "name")
vm_name = params.get("migrate_main_vm")
start_vm = 'yes' == params.get('start_vm', 'yes')
pause_vm = 'yes' == params.get('pause_after_start_vm', 'no')
expect_succeed = 'yes' == params.get('expect_succeed', 'yes')
size_option = params.get('size_option', 'valid')
action = params.get('compcache_action', 'get')
vm = env.get_vm(vm_name)
# Check if the virsh command migrate-compcache is available
if not virsh.has_help_command('migrate-compcache'):
test.cancel("This version of libvirt does not support "
"virsh command migrate-compcache")
# Prepare the VM state if it's not correct.
if start_vm and not vm.is_alive():
vm.start()
elif not start_vm and vm.is_alive():
vm.destroy()
if pause_vm and not vm.is_paused():
vm.pause()
# Setup domain reference
if vm_ref == 'domname':
vm_ref = vm_name
# Setup size according to size_option:
# minimal: Same as memory page size
# maximal: Same as guest memory
# empty: An empty string
# small: One byte less than page size
# large: Larger than guest memory
# huge : Largest int64
page_size = get_page_size()
if size_option == 'minimal':
size = str(page_size)
elif size_option == 'maximal':
size = str(vm.get_max_mem() * 1024)
elif size_option == 'empty':
size = '""'
elif size_option == 'small':
size = str(page_size - 1)
elif size_option == 'large':
# Guest memory is larger than the max mem set,
# add 50MB to ensure size exceeds guest memory.
size = str(vm.get_max_mem() * 1024 + 50000000)
elif size_option == 'huge':
size = str(2**64 - 1)
else:
size = size_option
# If we need to get, just omit the size option
if action == 'get':
size = None
# Run testing command
result = virsh.migrate_compcache(vm_ref, size=size)
logging.debug(result)
remote_uri = params.get("compcache_remote_uri")
remote_host = params.get("migrate_dest_host")
remote_user = params.get("migrate_dest_user", "root")
remote_pwd = params.get("migrate_dest_pwd")
check_job_compcache = False
compressed_size = None
if not remote_host.count(
"EXAMPLE") and size is not None and expect_succeed:
# Config ssh autologin for remote host
ssh_key.setup_ssh_key(remote_host, remote_user, remote_pwd, port=22)
if vm.is_dead():
vm.start()
if vm.is_paused():
vm.resume()
vm.wait_for_login()
# Do actual migration to verify compression cache of migrate jobs
command = ("virsh migrate %s %s --compressed --unsafe --verbose" %
(vm_name, remote_uri))
logging.debug("Start migrating: %s", command)
p = subprocess.Popen(command,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# Give enough time for starting job
t = 0
while t < 5:
jobinfo = virsh.domjobinfo(vm_ref, debug=True,
ignore_status=True).stdout
jobtype = "None"
for line in jobinfo.splitlines():
key = line.split(':')[0]
if key.count("type"):
jobtype = line.split(':')[-1].strip()
elif key.strip() == "Compression cache":
compressed_size = line.split(':')[-1].strip()
if "None" == jobtype or compressed_size is None:
t += 1
time.sleep(1)
continue
else:
check_job_compcache = True
logging.debug("Job started: %s", jobtype)
break
if p.poll():
try:
p.kill()
except OSError:
pass
# Cleanup in case of successful migration
migration.MigrationTest().cleanup_dest_vm(vm, None, remote_uri)
# Shut down the VM to make sure the compcache setting cleared
if vm.is_alive():
vm.destroy()
# Check test result
if expect_succeed:
if result.exit_status != 0:
test.fail('Expected succeed, but failed with result:\n%s' % result)
if check_job_compcache:
value = compressed_size.split()[0].strip()
unit = compressed_size.split()[-1].strip()
value = int(float(value))
if unit == "KiB":
size = int(int(size) / 1024)
elif unit == "MiB":
size = int(int(size) / 1048576)
elif unit == "GiB":
size = int(int(size) / 1073741824)
if value != size:
test.fail("Compression cache is not match" " with set")
else:
return
test.fail("Get compression cache in job failed.")
else:
logging.warn("The compressed size wasn't been verified "
"during migration.")
elif not expect_succeed:
if result.exit_status == 0:
test.fail('Expected fail, but succeed with result:\n%s' % result)
def run(test, params, env):
"""
Test migration with specified max bandwidth
1) Set both precopy and postcopy bandwidth by virsh migrate parameter
2) Set bandwidth before migration starts by migrate parameter --postcopy-bandwidth
3) Set bandwidth when migration is in post-copy phase
4) Set bandwidth when migration is in pre-copy phase
5) Set bandwidth when guest is running and before migration starts
6) Set bandwidth before migration starts by migrate parameter --bandwidth
7) Set bandwidth when guest is running and before migration starts
8) Set bandwidth when guest is shutoff
9) Do live migration with default max bandwidth
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def get_speed(exp_migrate_speed):
"""
Get migration speed and compare with value in exp_migrate_speed
:params exp_migrate_speed: the dict of expected migration speed
:raise: test.fail if speed does not match
"""
if exp_migrate_speed.get("precopy_speed"):
output = virsh.migrate_getspeed(vm_name,
**virsh_args).stdout_text.strip()
if exp_migrate_speed['precopy_speed'] != output:
virsh.migrate_getspeed(vm_name,
extra="--postcopy",
**virsh_args)
test.fail("Migration speed is expected to be '%s MiB/s', but "
"'%s MiB/s' found!" %
(exp_migrate_speed['precopy_speed'], output))
if exp_migrate_speed.get("postcopy_speed"):
output = virsh.migrate_getspeed(vm_name,
extra="--postcopy",
**virsh_args).stdout_text.strip()
if exp_migrate_speed['postcopy_speed'] != output:
test.fail("Prostcopy migration speed is expected to be '%s "
"MiB/s', but '%s MiB/s' found!" %
(exp_migrate_speed['postcopy_speed'], output))
def check_bandwidth(params):
"""
Check migration bandwidth
:param params: the parameters used
:raise: test.fail if migration bandwidth does not match expected values
"""
exp_migrate_speed = eval(params.get('exp_migrate_speed', '{}'))
migrate_postcopy_cmd = "yes" == params.get("migrate_postcopy_cmd",
"yes")
if extra.count("bandwidth"):
get_speed(exp_migrate_speed)
if params.get("set_postcopy_in_precopy_phase"):
virsh.migrate_setspeed(vm_name,
params.get("set_postcopy_in_precopy_phase"),
"--postcopy", **virsh_args)
get_speed(exp_migrate_speed)
params.update({
'compare_to_value':
exp_migrate_speed.get("precopy_speed", "8796093022207")
})
if exp_migrate_speed.get("precopy_speed", "0") == "8796093022207":
params.update({'domjob_ignore_status': True})
libvirt_domjobinfo.check_domjobinfo(vm, params)
if migrate_postcopy_cmd:
if not utils_misc.wait_for(
lambda: not virsh.migrate_postcopy(vm_name, **virsh_args).
exit_status, 5):
test.fail("Failed to set migration postcopy.")
if params.get("set_postcopy_in_postcopy_phase"):
virsh.migrate_setspeed(
vm_name, params.get("set_postcopy_in_postcopy_phase"),
"--postcopy", **virsh_args)
get_speed(exp_migrate_speed)
time.sleep(5)
if exp_migrate_speed.get("postcopy_speed"):
params.update(
{'compare_to_value': exp_migrate_speed["postcopy_speed"]})
params.update({'domjob_ignore_status': False})
libvirt_domjobinfo.check_domjobinfo(vm, params)
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
virsh_args = {"debug": True}
virsh_options = params.get("virsh_options", "")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options", "--live --verbose")
jobinfo_item = params.get("jobinfo_item", 'Memory bandwidth:')
set_postcopy_speed_before_mig = params.get("set_postcopy_speed_before_mig")
set_precopy_speed_before_mig = params.get("set_precopy_speed_before_mig")
set_precopy_speed_before_vm_start = params.get(
"set_precopy_speed_before_vm_start")
stress_package = params.get("stress_package")
exp_migrate_speed = eval(params.get('exp_migrate_speed', '{}'))
log_file = params.get("log_outputs",
"/var/log/libvirt/libvirt_daemons.log")
check_str_local_log = params.get("check_str_local_log", "")
libvirtd_conf_dict = eval(params.get("libvirtd_conf_dict", '{}'))
action_during_mig = check_bandwidth
params.update({"action_during_mig_params_exists": "yes"})
extra_args = migration_test.update_virsh_migrate_extra_args(params)
libvirtd_conf = None
mig_result = None
remove_dict = {}
src_libvirt_file = None
if not libvirt_version.version_compare(6, 0, 0):
test.cancel("This libvirt version doesn't support "
"postcopy migration bandwidth function.")
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
# Update libvirtd configuration
if libvirtd_conf_dict:
if os.path.exists(log_file):
logging.debug("Delete local libvirt log file '%s'", log_file)
os.remove(log_file)
logging.debug("Update libvirtd configuration file")
conf_type = "libvirtd"
if utils_split_daemons.is_modular_daemon():
conf_type = "virtqemud"
libvirtd_conf = libvirt.customize_libvirt_config(
libvirtd_conf_dict,
conf_type,
)
if set_precopy_speed_before_vm_start:
if vm.is_alive():
vm.destroy()
virsh.migrate_setspeed(vm_name, set_precopy_speed_before_vm_start,
**virsh_args)
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
# Check local guest network connection before migration
vm.wait_for_login(restart_network=True).close()
migration_test.ping_vm(vm, params)
remove_dict = {"do_search": '{"%s": "ssh:/"}' % dest_uri}
src_libvirt_file = libvirt_config.remove_key_for_modular_daemon(
remove_dict)
if any([set_precopy_speed_before_mig, set_postcopy_speed_before_mig]):
if set_precopy_speed_before_mig:
virsh.migrate_setspeed(vm_name, set_precopy_speed_before_mig,
**virsh_args)
if set_postcopy_speed_before_mig:
virsh.migrate_setspeed(vm_name, set_postcopy_speed_before_mig,
"--postcopy", **virsh_args)
get_speed(exp_migrate_speed)
if stress_package:
migration_test.run_stress_in_vm(vm, params)
# Execute migration process
vms = [vm]
migration_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
func=action_during_mig,
extra_opts=extra,
**extra_args)
if int(migration_test.ret.exit_status) == 0:
migration_test.ping_vm(vm, params, uri=dest_uri)
if check_str_local_log:
libvirt.check_logfile(check_str_local_log, log_file)
finally:
logging.debug("Recover test environment")
# Clean VM on destination and source
migration_test.cleanup_vm(vm, dest_uri)
logging.info("Recover VM XML configuration")
orig_config_xml.sync()
if libvirtd_conf:
logging.debug("Recover the configurations")
libvirt.customize_libvirt_config(None,
is_recover=True,
config_object=libvirtd_conf)
if src_libvirt_file:
src_libvirt_file.restore()
logging.info("Remove local NFS image")
source_file = params.get("source_file")
libvirt.delete_local_disk("file", path=source_file)
def multi_migration(vm,
src_uri,
dest_uri,
options,
migrate_type,
migrate_thread_timeout,
jobabort=False,
lrunner=None,
rrunner=None,
status_error=None):
"""
Migrate multiple vms simultaneously or not.
:param vm: list of all vm instances
:param src_uri: source ip address for migration
:param dest_uri: destination ipaddress for migration
:param options: options to be passed in migration command
:param migrate_type: orderly or simultaneous migration type
:param migrate_thread_timeout: thread timeout for migrating vms
:param jobabort: If jobabort is True, run "virsh domjobabort vm_name"
during migration.
:param param timeout: thread's timeout
:param lrunner: local session instance
:param rrunner: remote session instance
:param status_error: Whether expect error status
"""
obj_migration = migration.MigrationTest()
if migrate_type.lower() == "simultaneous":
logging.info("Migrate vms simultaneously.")
try:
obj_migration.do_migration(vms=vm,
srcuri=src_uri,
desturi=dest_uri,
migration_type="simultaneous",
options=options,
thread_timeout=migrate_thread_timeout,
ignore_status=False,
status_error=status_error)
if jobabort:
# To ensure Migration has been started.
time.sleep(5)
logging.info("Aborting job during migration.")
jobabort_threads = []
func = thread_func_jobabort
for each_vm in vm:
jobabort_thread = threading.Thread(target=func,
args=(each_vm, ))
jobabort_threads.append(jobabort_thread)
jobabort_thread.start()
for jobabort_thread in jobabort_threads:
jobabort_thread.join(migrate_thread_timeout)
ret_migration = True
except Exception as info:
raise exceptions.TestFail(info)
elif migrate_type.lower() == "orderly":
logging.info("Migrate vms orderly.")
try:
obj_migration.do_migration(vms=vm,
srcuri=src_uri,
desturi=dest_uri,
migration_type="orderly",
options=options,
thread_timeout=migrate_thread_timeout,
ignore_status=False,
status_error=status_error)
for each_vm in vm:
ping_thread = threading.Thread(target=thread_func_ping,
args=(lrunner, rrunner,
each_vm.get_address()))
ping_thread.start()
except Exception as info:
raise exceptions.TestFail(info)
if obj_migration.RET_MIGRATION:
ret_migration = True
else:
ret_migration = False
def run(test, params, env):
"""
Run the test
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
libvirt_version.is_libvirt_feature_supported(params)
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
bk_uri = vm.connect_uri
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
extra_args = migration_test.update_virsh_migrate_extra_args(params)
extra = params.get("virsh_migrate_extra")
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
options = params.get("virsh_migrate_options",
"--live --p2p --persistent --verbose")
virsh_options = params.get("virsh_options", "")
migrate_again = "yes" == params.get("migrate_again", "no")
src_state = params.get("virsh_migrate_src_state", "shut off")
set_src_and_dst_hostname = "yes" == params.get("set_src_and_dst_hostname",
"no")
src_hostname = params.get("src_hostname")
dst_hostname = params.get("dst_hostname")
server_ip = params.get("remote_ip")
server_user = params.get("remote_user", "root")
server_pwd = params.get("remote_pwd")
server_params = {
'server_ip': server_ip,
'server_user': server_user,
'server_pwd': server_pwd
}
dst_session = None
dst_libvirtd = None
src_libvirtd = None
src_NM_service = None
dest_NM_service = None
old_dst_hostname = None
old_source_hostname = None
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Update guest disk xml
libvirt.set_vm_disk(vm, params)
if set_src_and_dst_hostname:
old_dst_hostname = get_hostname(test, remote_params=server_params)
old_source_hostname = get_hostname(test)
dst_session = remote_old.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
dst_libvirtd = utils_libvirtd.Libvirtd(session=dst_session)
src_libvirtd = utils_libvirtd.Libvirtd()
try:
# Check local NetworkManager service
NM = utils_path.find_command("NetworkManager")
except utils_path.CmdNotFoundError:
logging.debug("No NetworkManager command found on source.")
NM = None
if NM is not None:
# Stop local NetworkManager service
src_NM_service = service.Factory.create_service(
"NetworkManager")
if src_NM_service is not None:
stop_NM(src_NM_service)
set_hostname(src_hostname, test)
src_libvirtd.restart()
# Check remote NetworkManager service
check_cmd = "rpm -q NetworkManager"
check_result = remote_old.run_remote_cmd(check_cmd,
server_params,
ignore_status=False)
if check_result.exit_status:
logging.debug("No NetworkManager command found on target.")
else:
# Stop remote NetworkManager service
remote_runner = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
runner = remote_runner.run
dest_NM_service = service.Factory.create_service(
"NetworkManager", run=runner)
if dest_NM_service is not None:
stop_NM(dest_NM_service)
set_hostname(dst_hostname, test, remote_params=server_params)
dst_libvirtd.restart()
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
vm.wait_for_login()
# Execute migration process
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options, extra, None,
extra_args)
func_returns = dict(migration_test.func_ret)
migration_test.func_ret.clear()
logging.debug("Migration returns function results:%s", func_returns)
if migrate_again:
if not vm.is_alive():
vm.start()
vm.wait_for_login()
extra_args['status_error'] = params.get(
"migrate_again_status_error", "no")
if params.get("virsh_migrate_extra_mig_again"):
extra = params.get("virsh_migrate_extra_mig_again")
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options, extra, None,
extra_args)
if int(migration_test.ret.exit_status) == 0:
migration_test.post_migration_check([vm], params, uri=dest_uri)
if not libvirt.check_vm_state(vm_name, state=src_state, uri=bk_uri):
test.fail("Can't get the expected vm state '%s'" % src_state)
finally:
logging.info("Recover test environment")
vm.connect_uri = bk_uri
# Clean VM on destination and source
migration_test.cleanup_vm(vm, dest_uri)
if set_src_and_dst_hostname:
if src_NM_service is not None:
start_NM(src_NM_service)
if dest_NM_service is not None:
start_NM(dest_NM_service)
set_hostname(old_dst_hostname, test, remote_params=server_params)
if dst_libvirtd:
dst_libvirtd.restart()
if dst_session:
dst_session.close()
set_hostname(old_source_hostname, test)
if src_libvirtd:
src_libvirtd.restart()
orig_config_xml.sync()
def run(test, params, env):
"""
Test virsh migrate command.
"""
def check_vm_network_accessed(session=None, ping_dest="www.baidu.com"):
"""
The operations to the VM need to be done before or after
migration happens
:param session: The session object to the host
:param ping_dest: The destination to be ping
:raise: test.fail when ping fails
"""
# Confirm local/remote VM can be accessed through network.
logging.info("Check VM network connectivity")
status, output = utils_test.ping(ping_dest,
count=10,
timeout=20,
output_func=logging.debug,
session=session)
if status != 0:
test.fail("Ping failed, status: %s,"
" output: %s" % (status, output))
def get_vm_ifaces(session=None):
"""
Get interfaces of vm
:param session: The session object to the host
:return: interfaces
"""
p_iface, v_iface = utils_net.get_remote_host_net_ifs(session)
return p_iface
def check_vm_iface_num(iface_list, exp_num=3):
"""
Check he number of interfaces
:param iface_list: The interface list
:param exp_num: The expected number
:raise: test.fail when interfaces' number is not equal to exp_num
"""
if len(iface_list) != exp_num:
test.fail("%d interfaces should be found on the vm, "
"but find %s." % (exp_num, iface_list))
def create_or_del_networks(pf_name, params, remote_virsh_session=None,
is_del=False):
"""
Create or delete network on local or remote
:param params: Dictionary with the test parameters
:param pf_name: The name of PF
:param remote_virsh_session: The virsh session object to the remote host
:param is_del: Whether the networks should be deleted
:raise: test.fail when fails to define/start network
"""
net_hostdev_name = params.get("net_hostdev_name", "hostdev-net")
net_hostdev_fwd = params.get("net_hostdev_fwd",
'{"mode": "hostdev", "managed": "yes"}')
net_bridge_name = params.get("net_bridge_name", "host-bridge")
net_bridge_fwd = params.get("net_bridge_fwd", '{"mode": "bridge"}')
bridge_name = params.get("bridge_name", "br0")
net_dict = {"net_name": net_hostdev_name,
"net_forward": net_hostdev_fwd,
"net_forward_pf": '{"dev": "%s"}' % pf_name}
bridge_dict = {"net_name": net_bridge_name,
"net_forward": net_bridge_fwd,
"net_bridge": '{"name": "%s"}' % bridge_name}
if not is_del:
for net_params in (net_dict, bridge_dict):
net_dev = libvirt.create_net_xml(net_params.get("net_name"),
net_params)
if not remote_virsh_session:
if net_dev.get_active():
net_dev.undefine()
net_dev.define()
net_dev.start()
else:
remote.scp_to_remote(server_ip, '22', server_user, server_pwd,
net_dev.xml, net_dev.xml, limit="",
log_filename=None, timeout=600,
interface=None)
remote_virsh_session.net_define(net_dev.xml, **virsh_args)
remote_virsh_session.net_start(net_params.get("net_name"),
**virsh_args)
else:
virsh_session = virsh
if remote_virsh_session:
virsh_session = remote_virsh_session
for nname in (net_hostdev_name, net_bridge_name):
if nname not in virsh_session.net_state_dict():
continue
virsh_session.net_destroy(nname, debug=True, ignore_status=True)
virsh_session.net_undefine(nname, debug=True, ignore_status=True)
def check_vm_network_connection(net_name, expected_conn=0):
"""
Check network connections in network xml
:param net_name: The network to be checked
:param expected_conn: The expected value
:raise: test.fail when fails
"""
output = virsh.net_dumpxml(net_name, debug=True).stdout_text
if expected_conn == 0:
reg_pattern = r"<network>"
else:
reg_pattern = r"<network connections='(\d)'>"
res = re.findall(reg_pattern, output, re.I)
if not res:
test.fail("Unable to find expected connection in %s." % net_name)
if expected_conn != 0:
if expected_conn != int(res[0]):
test.fail("Unable to get expected connection number."
"Expected: %s, Actual %s" % (expected_conn, int(res[0])))
def get_hostdev_addr_from_xml():
"""
Get VM hostdev address
:return: pci driver id
"""
address_dict = {}
for ifac in vm_xml.VMXML.new_from_dumpxml(vm_name).devices.by_device_tag("interface"):
if ifac.type_name == "hostdev":
address_dict = ifac.hostdev_address.attrs
return libvirt.pci_info_from_address(address_dict, 16, "id")
def check_vfio_pci(pci_path, status_error=False):
"""
Check if vf driver is vfio-pci
:param pci_path: The absolute path of pci device
:param status_error: Whether the driver should be vfio-pci
"""
cmd = "readlink %s/driver | awk -F '/' '{print $NF}'" % pci_path
output = process.run(cmd, shell=True, verbose=True).stdout_text.strip()
if (output == "vfio-pci") == status_error:
test.fail("Get incorrect dirver %s, it should%s be vfio-pci."
% (output, ' not' if status_error else ''))
def update_iface_xml(vmxml):
"""
Update interfaces for guest
:param vmxml: vm_xml.VMXML object
"""
vmxml.remove_all_device_by_type('interface')
vmxml.sync()
iface_dict = {"type": "network", "source": "{'network': 'host-bridge'}",
"mac": mac_addr, "model": "virtio",
"teaming": '{"type":"persistent"}',
"alias": '{"name": "ua-backup0"}',
"inbound": '{"average":"5"}',
"outbound": '{"average":"5"}'}
iface_dict2 = {"type": "network", "source": "{'network': 'hostdev-net'}",
"mac": mac_addr, "model": "virtio",
"teaming": '{"type":"transient", "persistent": "ua-backup0"}'}
iface = interface.Interface('network')
for ifc in (iface_dict, iface_dict2):
iface.xml = libvirt.modify_vm_iface(vm.name, "get_xml", ifc)
vmxml.add_device(iface)
vmxml.sync()
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
# Params for NFS shared storage
shared_storage = params.get("migrate_shared_storage", "")
if shared_storage == "":
default_guest_asset = defaults.get_default_guest_os_info()['asset']
default_guest_asset = "%s.qcow2" % default_guest_asset
shared_storage = os.path.join(params.get("nfs_mount_dir"),
default_guest_asset)
logging.debug("shared_storage:%s", shared_storage)
# Params to update disk using shared storage
params["disk_type"] = "file"
params["disk_source_protocol"] = "netfs"
params["mnt_path_name"] = params.get("nfs_mount_dir")
# Local variables
virsh_args = {"debug": True}
virsh_options = params.get("virsh_options", "")
server_ip = params.get("server_ip")
server_user = params.get("server_user", "root")
server_pwd = params.get("server_pwd")
client_ip = params.get("client_ip")
client_pwd = params.get("client_pwd")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options")
bridge_name = params.get("bridge_name", "br0")
net_hostdev_name = params.get("net_hostdev_name", "hostdev-net")
net_bridge_name = params.get("net_bridge_name", "host-bridge")
driver = params.get("driver", "ixgbe")
vm_tmp_file = params.get("vm_tmp_file", "/tmp/test.txt")
cmd_during_mig = params.get("cmd_during_mig")
net_failover_test = "yes" == params.get("net_failover_test", "no")
cancel_migration = "yes" == params.get("cancel_migration", "no")
try:
vf_no = int(params.get("vf_no", "4"))
except ValueError as e:
test.error(e)
migr_vm_back = "yes" == params.get("migrate_vm_back", "no")
err_msg = params.get("err_msg")
status_error = "yes" == params.get("status_error", "no")
cmd_parms = {'server_ip': server_ip, 'server_user': server_user,
'server_pwd': server_pwd}
remote_virsh_dargs = {'remote_ip': server_ip, 'remote_user': server_user,
'remote_pwd': server_pwd, 'unprivileged_user': None,
'ssh_remote_auth': True}
destparams_dict = copy.deepcopy(params)
remote_virsh_session = None
vm_session = None
vm = None
mig_result = None
func_name = None
extra_args = {}
default_src_vf = 0
default_dest_vf = 0
default_src_rp_filter = 1
default_dest_rp_filer = 1
if not libvirt_version.version_compare(6, 0, 0):
test.cancel("This libvirt version doesn't support migration with "
"net failover devices.")
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
server_session = remote.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
if net_failover_test:
src_pf, src_pf_pci = utils_sriov.find_pf(driver)
logging.debug("src_pf is %s. src_pf_pci: %s", src_pf, src_pf_pci)
params['pf_name'] = src_pf
dest_pf, dest_pf_pci = utils_sriov.find_pf(driver, server_session)
logging.debug("dest_pf is %s. dest_pf_pci: %s", dest_pf, dest_pf_pci)
destparams_dict['pf_name'] = dest_pf
src_pf_pci_path = utils_misc.get_pci_path(src_pf_pci)
dest_pf_pci_path = utils_misc.get_pci_path(dest_pf_pci, server_session)
cmd = "cat %s/sriov_numvfs" % (src_pf_pci_path)
default_src_vf = process.run(cmd, shell=True,
verbose=True).stdout_text
cmd = "cat %s/sriov_numvfs" % (dest_pf_pci_path)
status, default_dest_vf = utils_misc.cmd_status_output(cmd,
shell=True,
session=server_session)
if status:
test.error("Unable to get default sriov_numvfs on target!"
"status: %s, output: %s" % (status, default_dest_vf))
if not utils_sriov.set_vf(src_pf_pci_path, vf_no):
test.error("Failed to set vf on source.")
if not utils_sriov.set_vf(dest_pf_pci_path, vf_no, session=server_session):
test.error("Failed to set vf on target.")
# Create PF and bridge connection on source and target host
cmd = 'cat /proc/sys/net/ipv4/conf/all/rp_filter'
default_src_rp_filter = process.run(cmd, shell=True,
verbose=True).stdout_text
status, default_dest_rp_filter = utils_misc.cmd_status_output(cmd,
shell=True,
session=server_session)
if status:
test.error("Unable to get default rp_filter on target!"
"status: %s, output: %s" % (status, default_dest_rp_filter))
cmd = 'echo 0 >/proc/sys/net/ipv4/conf/all/rp_filter'
process.run(cmd, shell=True, verbose=True)
utils_misc.cmd_status_output(cmd, shell=True, session=server_session)
utils_sriov.add_or_del_connection(params, is_del=False)
utils_sriov.add_or_del_connection(destparams_dict, is_del=False,
session=server_session)
if not remote_virsh_session:
remote_virsh_session = virsh.VirshPersistent(**remote_virsh_dargs)
create_or_del_networks(dest_pf, params,
remote_virsh_session=remote_virsh_session)
remote_virsh_session.close_session()
create_or_del_networks(src_pf, params)
# Change network interface xml
mac_addr = utils_net.generate_mac_address_simple()
update_iface_xml(new_xml)
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
if not vm.is_alive():
vm.start()
# Check local guest network connection before migration
if vm.serial_console is not None:
vm.cleanup_serial_console()
vm.create_serial_console()
vm_session = vm.wait_for_serial_login(timeout=240)
if net_failover_test:
utils_net.restart_guest_network(vm_session)
iface_list = get_vm_ifaces(vm_session)
vm_ipv4, vm_ipv6 = utils_net.get_linux_ipaddr(vm_session, iface_list[0])
check_vm_network_accessed(ping_dest=vm_ipv4)
if net_failover_test:
check_vm_iface_num(iface_list)
check_vm_network_connection(net_hostdev_name, 1)
check_vm_network_connection(net_bridge_name, 1)
hostdev_pci_id = get_hostdev_addr_from_xml()
vf_path = utils_misc.get_pci_path(hostdev_pci_id)
check_vfio_pci(vf_path)
if cmd_during_mig:
s, o = utils_misc.cmd_status_output(cmd_during_mig, shell=True,
session=vm_session)
if s:
test.fail("Failed to run %s in vm." % cmd_during_mig)
if extra.count("--postcopy"):
func_name = virsh.migrate_postcopy
extra_args.update({'func_params': params})
if cancel_migration:
func_name = migration_test.do_cancel
# Execute migration process
vms = [vm]
migration_test.do_migration(vms, None, dest_uri, 'orderly',
options, thread_timeout=900,
ignore_status=True, virsh_opt=virsh_options,
func=func_name, extra_opts=extra,
**extra_args)
mig_result = migration_test.ret
migration_test.check_result(mig_result, params)
if int(mig_result.exit_status) == 0:
server_session = remote.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
check_vm_network_accessed(server_session, vm_ipv4)
server_session.close()
if net_failover_test:
# Check network connection
check_vm_network_connection(net_hostdev_name)
check_vm_network_connection(net_bridge_name)
# VF driver should not be vfio-pci
check_vfio_pci(vf_path, True)
cmd_parms.update({'vm_ip': vm_ipv4,
'vm_pwd': params.get("password")})
vm_after_mig = remote.VMManager(cmd_parms)
vm_after_mig.setup_ssh_auth()
cmd = "ip link"
cmd_result = vm_after_mig.run_command(cmd)
libvirt.check_result(cmd_result)
p_iface = re.findall(r"\d+:\s+(\w+):\s+.*", cmd_result.stdout_text)
p_iface = [x for x in p_iface if x != 'lo']
check_vm_iface_num(p_iface)
# Check the output of ping command
cmd = 'cat %s' % vm_tmp_file
cmd_result = vm_after_mig.run_command(cmd)
libvirt.check_result(cmd_result)
if re.findall('Destination Host Unreachable', cmd_result.stdout_text, re.M):
test.fail("The network does not work well during "
"the migration peirod. ping output: %s"
% cmd_result.stdout_text)
# Execute migration from remote
if migr_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migration_test.migrate_pre_setup(src_uri, params)
cmd = "virsh migrate %s %s %s" % (vm_name,
virsh_options, src_uri)
logging.debug("Start migration: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
test.fail("Failed to run '%s' on remote: %s"
% (cmd, cmd_result))
logging.debug("migration back done")
check_vm_network_accessed(ping_dest=vm_ipv4)
if net_failover_test:
if vm_session:
vm_session.close()
vm_session = vm.wait_for_login()
iface_list = get_vm_ifaces(vm_session)
check_vm_iface_num(iface_list)
else:
check_vm_network_accessed(ping_dest=vm_ipv4)
if net_failover_test:
iface_list = get_vm_ifaces(vm_session)
check_vm_iface_num(iface_list)
finally:
logging.debug("Recover test environment")
# Clean VM on destination
migration_test.cleanup_dest_vm(vm, vm.connect_uri, dest_uri)
if vm.is_alive():
vm.destroy(gracefully=False)
logging.info("Recovery VM XML configration")
orig_config_xml.sync()
logging.debug("The current VM XML:\n%s", orig_config_xml.xmltreefile)
server_session = remote.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
if 'src_pf' in locals():
cmd = 'echo %s >/proc/sys/net/ipv4/conf/all/rp_filter' % default_src_rp_filter
process.run(cmd, shell=True, verbose=True)
utils_sriov.add_or_del_connection(params, is_del=True)
create_or_del_networks(src_pf, params, is_del=True)
if 'dest_pf' in locals():
cmd = 'echo %s >/proc/sys/net/ipv4/conf/all/rp_filter' % default_dest_rp_filter
utils_misc.cmd_status_output(cmd, shell=True, session=server_session)
utils_sriov.add_or_del_connection(destparams_dict, session=server_session,
is_del=True)
remote_virsh_session = virsh.VirshPersistent(**remote_virsh_dargs)
create_or_del_networks(dest_pf, params,
remote_virsh_session,
is_del=True)
remote_virsh_session.close_session()
if 'dest_pf_pci_path' in locals() and default_dest_vf != vf_no:
utils_sriov.set_vf(dest_pf_pci_path, default_dest_vf, server_session)
if 'src_pf_pci_path' in locals() and default_src_vf != vf_no:
utils_sriov.set_vf(src_pf_pci_path, default_src_vf)
# Clean up of pre migration setup for local machine
if migr_vm_back:
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
migration_test.migrate_pre_setup(src_uri, params,
cleanup=True)
server_session.close()
if remote_virsh_session:
remote_virsh_session.close_session()
logging.info("Remove local NFS image")
source_file = params.get("source_file")
if source_file:
libvirt.delete_local_disk("file", path=source_file)
def run(test, params, env):
"""
Test command: virsh domjobabort.
The command can abort the currently running domain job.
1.Prepare test environment,destroy or suspend a VM.
2.Do action to get a subprocess(dump, save, managedsave).
3.Perform virsh domjobabort operation to abort VM's job.
4.Recover the VM's status and wait for the subprocess over.
5.Confirm the test result.
"""
vm_name = params.get("main_vm", "vm1")
vm = env.get_vm(vm_name)
start_vm = params.get("start_vm")
pre_vm_state = params.get("pre_vm_state", "start")
readonly = ("yes" == params.get("readonly", "no"))
if start_vm == "no" and vm.is_alive():
vm.destroy()
# Instead of "paused_after_start_vm", use "pre_vm_state".
# After start the VM, wait for some time to make sure the job
# can be created on this domain.
if start_vm == "yes":
vm.wait_for_login()
if params.get("pre_vm_state") == "suspend":
vm.pause()
domid = vm.get_id()
domuuid = vm.get_uuid()
original_speed = virsh.migrate_getspeed(vm_name).stdout.strip()
def get_subprocess(action, vm_name, file, remote_uri=None):
"""
Execute background virsh command, return subprocess w/o waiting for exit()
:param cmd : virsh command.
:param guest_name : VM's name
:param file_source : virsh command's file option.
"""
args = ""
if action == "managedsave":
file = ""
elif action == "migrate":
# Slow down migration for domjobabort
virsh.migrate_setspeed(vm_name, "1")
file = remote_uri
args = "--unsafe"
command = "virsh %s %s %s %s" % (action, vm_name, file, args)
logging.debug("Action: %s", command)
p = subprocess.Popen(command,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
return p
action = params.get("jobabort_action", "dump")
dump_opt = params.get("dump_opt", None)
status_error = params.get("status_error", "no")
job = params.get("jobabort_job", "yes")
tmp_file = os.path.join(data_dir.get_tmp_dir(), "domjobabort.tmp")
tmp_pipe = os.path.join(data_dir.get_tmp_dir(), "domjobabort.fifo")
vm_ref = params.get("jobabort_vm_ref")
remote_uri = params.get("jobabort_remote_uri")
remote_host = params.get("migrate_dest_host")
remote_user = params.get("migrate_dest_user", "root")
remote_pwd = params.get("migrate_dest_pwd")
saved_data = None
# Build job action
if dump_opt:
action = "dump --crash"
if action == "managedsave":
tmp_pipe = '/var/lib/libvirt/qemu/save/%s.save' % vm.name
if action == "restore":
virsh.save(vm_name, tmp_file, ignore_status=True)
if action == "migrate":
if remote_host.count("EXAMPLE"):
test.cancel("Remote host should be configured " "for migrate.")
else:
# Config ssh autologin for remote host
ssh_key.setup_ssh_key(remote_host,
remote_user,
remote_pwd,
port=22)
if vm_ref == "id":
vm_ref = domid
elif vm_ref == "hex_id":
vm_ref = hex(int(domid))
elif vm_ref == "uuid":
vm_ref = domuuid
elif vm_ref.find("invalid") != -1:
vm_ref = params.get(vm_ref)
elif vm_ref == "name":
vm_ref = vm_name
# Get the subprocess of VM.
# The command's effect is to abort the currently running domain job.
# So before do "domjobabort" action, we must create a job on the domain.
process = None
if job == "yes" and start_vm == "yes" and status_error == "no":
if os.path.exists(tmp_pipe):
os.unlink(tmp_pipe)
os.mkfifo(tmp_pipe)
process = get_subprocess(action, vm_name, tmp_pipe, remote_uri)
saved_data = None
if action == "restore":
with open(tmp_file, 'r') as tmp_f:
saved_data = tmp_f.read(10 * 1024 * 1024)
f = open(tmp_pipe, 'w')
f.write(saved_data[:1024 * 1024])
elif action == "migrate":
f = None
else:
f = open(tmp_pipe, 'rb')
dummy = f.read(1024 * 1024).decode(locale.getpreferredencoding(),
'ignore')
# Give enough time for starting job
t = 0
while t < 5:
jobtype = vm.get_job_type()
if "None" == jobtype:
t += 1
time.sleep(1)
continue
elif jobtype is False:
logging.error("Get job type failed.")
break
else:
logging.debug("Job started: %s", jobtype)
break
virsh_dargs = {'ignore_status': True, 'debug': True}
if readonly:
virsh_dargs.update({'readonly': True})
ret = virsh.domjobabort(vm_ref, **virsh_dargs)
status = ret.exit_status
if process and f:
if saved_data:
f.write(saved_data[1024 * 1024:])
else:
dummy = f.read()
f.close()
try:
os.unlink(tmp_pipe)
except OSError as detail:
logging.info("Can't remove %s: %s", tmp_pipe, detail)
try:
os.unlink(tmp_file)
except OSError as detail:
logging.info("Can't remove %s: %s", tmp_file, detail)
# Recover the environment.
if pre_vm_state == "suspend":
vm.resume()
if process:
if process.poll():
try:
process.kill()
except OSError:
pass
if action == "migrate":
# Recover migration speed
virsh.migrate_setspeed(vm_name, original_speed)
migration.MigrationTest().cleanup_dest_vm(vm, None, remote_uri)
# check status_error
if status_error == "yes":
if status == 0:
test.fail("Run successfully with wrong command!")
elif status_error == "no":
if status != 0:
test.fail("Run failed with right command")
def run(test, params, env):
"""
Test migration with glusterfs.
"""
def create_or_clean_backend_dir(g_uri,
params,
session=None,
is_clean=False):
"""
Create/cleanup backend directory
:params g_uri: glusterfs uri
:params params: the parameters to be checked
:params session: VM/remote session object
:params is_cleanup: True for cleanup backend directory;
False for create one.
:return: gluster_img if is_clean is equal to True
"""
mount_point = params.get("gluster_mount_dir")
is_symlink = params.get("gluster_create_symlink") == "yes"
symlink_name = params.get("gluster_symlink")
gluster_img = None
if not is_clean:
if not utils_misc.check_exists(mount_point, session):
utils_misc.make_dirs(mount_point, session)
if gluster.glusterfs_is_mounted(mount_point, session):
gluster.glusterfs_umount(g_uri, mount_point, session)
gluster.glusterfs_mount(g_uri, mount_point, session)
gluster_img = os.path.join(mount_point, disk_img)
if is_symlink:
utils_misc.make_symlink(mount_point, symlink_name)
utils_misc.make_symlink(mount_point, symlink_name,
remote_session)
gluster_img = os.path.join(symlink_name, disk_img)
return gluster_img
else:
if is_symlink:
utils_misc.rm_link(symlink_name, session)
gluster.glusterfs_umount(g_uri, mount_point, session)
if utils_misc.check_exists(mount_point, session):
utils_misc.safe_rmdir(gluster_mount_dir, session=session)
# Local variables
virsh_args = {"debug": True}
server_ip = params["server_ip"] = params.get("remote_ip")
server_user = params["server_user"] = params.get("remote_user", "root")
server_pwd = params["server_pwd"] = params.get("remote_pwd")
client_ip = params["client_ip"] = params.get("local_ip")
client_pwd = params["client_pwd"] = params.get("local_pwd")
extra = params.get("virsh_migrate_extra")
options = params.get("virsh_migrate_options", "--live --p2p --verbose")
virsh_options = params.get("virsh_options", "")
vol_name = params.get("vol_name")
disk_format = params.get("disk_format", "qcow2")
gluster_mount_dir = params.get("gluster_mount_dir")
status_error = "yes" == params.get("status_error", "no")
err_msg = params.get("err_msg")
host_ip = params.get("gluster_server_ip", "")
migrate_vm_back = params.get("migrate_vm_back", "no") == "yes"
selinux_local = params.get('set_sebool_local', 'yes') == "yes"
selinux_remote = params.get('set_sebool_remote', 'no') == "yes"
sebool_fusefs_local = params.get('set_sebool_fusefs_local', 'yes')
sebool_fusefs_remote = params.get('set_sebool_fusefs_remote', 'yes')
test_dict = dict(params)
test_dict["local_boolean_varible"] = "virt_use_fusefs"
test_dict["remote_boolean_varible"] = "virt_use_fusefs"
remote_dargs = {
'server_ip': server_ip,
'server_user': server_user,
'server_pwd': server_pwd,
'file_path': "/etc/libvirt/libvirt.conf"
}
remove_pkg = False
seLinuxBool = None
seLinuxfusefs = None
gluster_uri = None
mig_result = None
remove_dict = {}
remote_libvirt_file = None
src_libvirt_file = None
# Make sure all of parameters are assigned a valid value
migrate_test = migration.MigrationTest()
migrate_test.check_parameters(params)
extra_args = migrate_test.update_virsh_migrate_extra_args(params)
# params for migration connection
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
params["virsh_migrate_connect_uri"] = libvirt_vm.complete_uri(
params.get("migrate_source_host"))
src_uri = params.get("virsh_migrate_connect_uri")
dest_uri = params.get("virsh_migrate_desturi")
# For --postcopy enable
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (virsh_options, postcopy_options)
func_name = virsh.migrate_postcopy
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
# Back up xml file.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Create a remote runner for later use
runner_on_target = remote.RemoteRunner(host=server_ip,
username=server_user,
password=server_pwd)
# Configure selinux
if selinux_local or selinux_remote:
seLinuxBool = utils_misc.SELinuxBoolean(params)
seLinuxBool.setup()
if sebool_fusefs_local or sebool_fusefs_remote:
seLinuxfusefs = utils_misc.SELinuxBoolean(test_dict)
seLinuxfusefs.setup()
# Setup glusterfs
disk_img = "gluster.%s" % disk_format
params['disk_img'] = disk_img
host_ip = gluster.setup_or_cleanup_gluster(is_setup=True, **params)
logging.debug("host ip: %s ", host_ip)
# Check if gluster server is deployed locally
if not host_ip:
logging.debug("Enable port 24007 and 49152:49216")
migrate_test.migrate_pre_setup(src_uri, params, ports="24007")
migrate_test.migrate_pre_setup(src_uri, params)
gluster_uri = "{}:{}".format(client_ip, vol_name)
else:
gluster_uri = "{}:{}".format(host_ip, vol_name)
remote_session = remote.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
if gluster_mount_dir:
# The package 'glusterfs-fuse' is not installed on target
# which makes issue when trying to 'mount -t glusterfs'
pkg_name = 'glusterfs-fuse'
logging.debug("Check if glusterfs-fuse is installed")
pkg_mgr = utils_package.package_manager(remote_session, pkg_name)
if not pkg_mgr.is_installed(pkg_name):
logging.debug("glusterfs-fuse will be installed")
if not pkg_mgr.install():
test.error("Package '%s' installation fails" % pkg_name)
else:
remove_pkg = True
gluster_img = create_or_clean_backend_dir(gluster_uri, params)
create_or_clean_backend_dir(gluster_uri, params, remote_session)
# Get the image path
image_source = vm.get_first_disk_devices()['source']
image_info = utils_misc.get_image_info(image_source)
if image_info["format"] == disk_format:
disk_cmd = "cp -f %s %s" % (image_source, gluster_img)
else:
# Convert the disk format
disk_cmd = ("qemu-img convert -f %s -O %s %s %s" %
(image_info["format"], disk_format, image_source,
gluster_img))
process.run("%s; chmod a+rw %s" % (disk_cmd, gluster_mount_dir),
shell=True)
logging.debug("Gluster Image is %s", gluster_img)
gluster_backend_disk = {'disk_source_name': gluster_img}
# Update disk xml with gluster image in backend dir
libvirt.set_vm_disk(vm, gluster_backend_disk)
remote_session.close()
vm_xml_cxt = virsh.dumpxml(vm_name).stdout_text.strip()
logging.debug("The VM XML with gluster disk source: \n%s", vm_xml_cxt)
vm.wait_for_login().close()
migrate_test.ping_vm(vm, params)
remove_dict = {"do_search": '{"%s": "ssh:/"}' % dest_uri}
src_libvirt_file = libvirt_config.remove_key_for_modular_daemon(
remove_dict)
vms = [vm]
migrate_test.do_migration(vms,
None,
dest_uri,
'orderly',
options,
thread_timeout=900,
ignore_status=True,
virsh_opt=virsh_options,
extra_opts=extra,
**extra_args)
migrate_test.ping_vm(vm, params, dest_uri)
if migrate_vm_back:
ssh_connection = utils_conn.SSHConnection(server_ip=client_ip,
server_pwd=client_pwd,
client_ip=server_ip,
client_pwd=server_pwd)
try:
ssh_connection.conn_check()
except utils_conn.ConnectionError:
ssh_connection.conn_setup()
ssh_connection.conn_check()
# Pre migration setup for local machine
migrate_test.migrate_pre_setup(src_uri, params)
remove_dict = {"do_search": ('{"%s": "ssh:/"}' % src_uri)}
remote_libvirt_file = libvirt_config\
.remove_key_for_modular_daemon(remove_dict, remote_dargs)
cmd = "virsh migrate %s %s %s %s" % (vm_name, options,
virsh_options, src_uri)
logging.debug("Start migrating: %s", cmd)
cmd_result = remote.run_remote_cmd(cmd, params, runner_on_target)
logging.info(cmd_result)
if cmd_result.exit_status:
destroy_cmd = "virsh destroy %s" % vm_name
remote.run_remote_cmd(destroy_cmd,
params,
runner_on_target,
ignore_status=False)
test.fail("Failed to run '%s' on remote: %s" %
(cmd, cmd_result))
finally:
logging.info("Recover test environment")
migrate_test.cleanup_vm(vm, dest_uri)
orig_config_xml.sync()
if src_libvirt_file:
src_libvirt_file.restore()
if remote_libvirt_file:
del remote_libvirt_file
# Clean up of pre migration setup for local machine
if migrate_vm_back:
if 'ssh_connection' in locals():
ssh_connection.auto_recover = True
migrate_test.migrate_pre_setup(src_uri, params, cleanup=True)
# Cleanup selinu configuration
if seLinuxBool:
seLinuxBool.cleanup()
if seLinuxfusefs:
seLinuxfusefs.cleanup()
# Disable ports 24007 and 49152:49216
if not host_ip:
logging.debug("Disable 24007 and 49152:49216 in Firewall")
migrate_test.migrate_pre_setup(src_uri,
params,
cleanup=True,
ports="24007")
migrate_test.migrate_pre_setup(src_uri, params, cleanup=True)
gluster.setup_or_cleanup_gluster(False, **params)
# Cleanup backend directory/symlink
if gluster_mount_dir and gluster_uri:
remote_session = remote.wait_for_login('ssh', server_ip, '22',
server_user, server_pwd,
r"[\#\$]\s*$")
create_or_clean_backend_dir(gluster_uri, params, is_clean=True)
create_or_clean_backend_dir(gluster_uri, params, remote_session,
True)
if remove_pkg:
pkg_mgr = utils_package.package_manager(
remote_session, pkg_name)
if pkg_mgr.is_installed(pkg_name):
logging.debug("glusterfs-fuse will be uninstalled")
if not pkg_mgr.remove():
logging.error("Package '%s' un-installation fails",
pkg_name)
remote_session.close()
def run(test, params, env):
"""
Run the test to check events when migration
:param test: test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
vm_name = params.get("migrate_main_vm")
vm = env.get_vm(vm_name)
vm.verify_alive()
bk_uri = vm.connect_uri
migration_test = migration.MigrationTest()
migration_test.check_parameters(params)
extra_args = migration_test.update_virsh_migrate_extra_args(params)
extra = params.get("virsh_migrate_extra")
postcopy_options = params.get("postcopy_options")
if postcopy_options:
extra = "%s %s" % (extra, postcopy_options)
params["virsh_migrate_desturi"] = libvirt_vm.complete_uri(
params.get("migrate_dest_host"))
dest_uri = params.get("virsh_migrate_desturi")
options = params.get("virsh_migrate_options",
"--live --p2p --persistent --verbose")
virsh_options = params.get("virsh_options", "")
action_during_mig = params.get("action_during_mig")
migrate_speed = params.get("migrate_speed")
virsh_session = None
remote_session = None
if action_during_mig:
action_during_mig = migration_base.parse_funcs(action_during_mig, test,
params)
# For safety reasons, we'd better back up xmlfile.
new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
orig_config_xml = new_xml.copy()
try:
# Change the disk of the vm
libvirt.set_vm_disk(vm, params)
if not vm.is_alive():
vm.start()
logging.debug("Guest xml after starting:\n%s",
vm_xml.VMXML.new_from_dumpxml(vm_name))
vm.wait_for_login().close()
if migrate_speed:
mode = 'both' if '--postcopy' in postcopy_options else 'precopy'
migration_test.control_migrate_speed(vm_name, int(migrate_speed),
mode)
# Monitor event on source/target host
virsh_session, remote_virsh_session = migration_base.monitor_event(
params)
# Execute migration process
migration_base.do_migration(vm, migration_test, None, dest_uri,
options, virsh_options, extra,
action_during_mig, extra_args)
func_returns = dict(migration_test.func_ret)
migration_test.func_ret.clear()
logging.debug("Migration returns function results:%s", func_returns)
# Check event output
migration_base.check_event_output(params, test, virsh_session,
remote_virsh_session)
if int(migration_test.ret.exit_status) == 0:
migration_test.post_migration_check([vm], params, uri=dest_uri)
finally:
logging.info("Recover test environment")
vm.connect_uri = bk_uri
# Clean VM on destination and source
migration_test.cleanup_vm(vm, dest_uri)
orig_config_xml.sync()