def run(test, params, env):
"""
Convert a remote vm to local libvirt(KVM).
"""
for v in list(params.values()):
if "V2V_EXAMPLE" in v:
raise exceptions.TestSkipError("Please set real value for %s" % v)
vm_name = params.get("main_vm")
source_user = params.get("username", "root")
xen_ip = params.get("xen_hostname")
xen_pwd = params.get("xen_pwd")
vpx_ip = params.get("vpx_hostname")
vpx_pwd = params.get("vpx_pwd")
vpx_pwd_file = params.get("vpx_passwd_file")
vpx_dc = params.get("vpx_dc")
esx_ip = params.get("esx_hostname")
hypervisor = params.get("hypervisor")
input_mode = params.get("input_mode")
target = params.get("target")
v2v_opts = params.get("v2v_opts")
# Prepare step for different hypervisor
if hypervisor == "esx":
source_ip = vpx_ip
source_pwd = vpx_pwd
# Create password file to access ESX hypervisor
with open(vpx_pwd_file, 'w') as f:
f.write(vpx_pwd)
elif hypervisor == "xen":
source_ip = xen_ip
source_pwd = xen_pwd
# Set up ssh access using ssh-agent and authorized_keys
ssh_key.setup_ssh_key(source_ip, source_user, source_pwd)
try:
utils_misc.add_identities_into_ssh_agent()
except:
process.run("ssh-agent -k")
raise exceptions.TestError("Fail to setup ssh-agent")
else:
raise exceptions.TestSkipError("Unspported hypervisor: %s" %
hypervisor)
# Create libvirt URI for the source node
v2v_uri = utils_v2v.Uri(hypervisor)
remote_uri = v2v_uri.get_uri(source_ip, vpx_dc, esx_ip)
logging.debug("Remote host uri for converting: %s", remote_uri)
# Make sure the VM exist before convert
virsh_dargs = {
'uri': remote_uri,
'remote_ip': source_ip,
'remote_user': source_user,
'remote_pwd': source_pwd,
'debug': True
}
remote_virsh = virsh.VirshPersistent(**virsh_dargs)
try:
if not remote_virsh.domain_exists(vm_name):
raise exceptions.TestError("VM '%s' not exist" % vm_name)
finally:
remote_virsh.close_session()
# Prepare libvirt storage pool
pool_type = params.get("pool_type")
pool_name = params.get("pool_name")
pool_target = params.get("pool_target")
libvirt_pool = utlv.PoolVolumeTest(test, params)
libvirt_pool.pre_pool(pool_name, pool_type, pool_target, '')
# Preapre libvirt virtual network
network = params.get("network")
net_kwargs = {
'net_name': network,
'address': params.get('network_addr'),
'dhcp_start': params.get('network_dhcp_start'),
'dhcp_end': params.get('network_dhcp_end')
}
libvirt_net = utlv.LibvirtNetwork('vnet', **net_kwargs)
net_info = virsh.net_info(network).stdout.strip()
bridge = re.search(r'Bridge:\s+(\S+)', net_info).group(1)
params['netdst'] = bridge
# Maintain a single params for v2v to avoid duplicate parameters
v2v_params = {
'target': target,
'hypervisor': hypervisor,
'main_vm': vm_name,
'input_mode': input_mode,
'network': network,
'bridge': bridge,
'storage': pool_name,
'hostname': source_ip
}
if vpx_dc:
v2v_params.update({"vpx_dc": vpx_dc})
if esx_ip:
v2v_params.update({"esx_ip": esx_ip})
if v2v_opts:
v2v_params.update({"v2v_opts": v2v_opts})
# Set libguestfs environment
if hypervisor == 'xen':
os.environ['LIBGUESTFS_BACKEND'] = 'direct'
try:
# Execute virt-v2v command
ret = utils_v2v.v2v_cmd(v2v_params)
logging.debug("virt-v2v verbose messages:\n%s", ret)
if ret.exit_status != 0:
raise exceptions.TestFail("Convert VM failed")
logging.debug("XML info:\n%s", virsh.dumpxml(vm_name))
vm = env.create_vm("libvirt", "libvirt", vm_name, params, test.bindir)
# Win10 is not supported by some cpu model,
# need to modify to 'host-model'
if params.get('os_version') in ['win10', 'win2016']:
logging.info('Set cpu mode to "host-model" for win10 and win2016')
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
cpu_xml = vm_xml.VMCPUXML()
cpu_xml.mode = 'host-model'
cpu_xml.fallback = 'allow'
vmxml['cpu'] = cpu_xml
vmxml.sync()
vm.start()
# Check all checkpoints after convert
vmchecker = VMChecker(test, params, env)
ret = vmchecker.run()
if len(ret) == 0:
logging.info("All checkpoints passed")
else:
raise exceptions.TestFail("%d checkpoints failed: %s" %
(len(ret), ret))
finally:
vmcheck = utils_v2v.VMCheck(test, params, env)
vmcheck.cleanup()
utils_v2v.cleanup_constant_files(params)
if hypervisor == "xen":
process.run("ssh-agent -k")
# Clean libvirt VM
virsh.remove_domain(vm_name)
# Clean libvirt pool
if libvirt_pool:
libvirt_pool.cleanup_pool(pool_name, pool_type, pool_target, '')
# Clean libvirt network
if libvirt_net:
libvirt_net.cleanup()
def run(test, params, env):
"""
Test command: virsh net-event
1. Prepare a new network.
2. Running virsh net-event with different options, and start/stop
the network if needed, then check the output of net-event.
3. Clean the environment.
"""
prepare_net = "yes" == params.get("prepare_net", "yes")
net_addr = params.get("net_addr")
net_name = params.get("net_name")
net_event_list = "yes" == params.get("net_event_list", "no")
net_event_loop = "yes" == params.get("net_event_loop", "no")
net_event_name = params.get("net_event_name")
net_event_timeout = params.get("net_event_timeout")
net_event_amount = int(params.get("net_event_amount", 1))
status_error = "yes" == params.get("status_error", "no")
net_event_option = params.get("net_event_option", "")
virsh_dargs = {'debug': True, 'ignore_status': True}
net_event_interrupt = False
libv_net = None
expected_event_list = []
virsh_session = aexpect.ShellSession(virsh.VIRSH_EXEC, auto_close=True)
def trigger_net_event(event_amount=1):
"""
Trigger network start/stop actions in event_number times
"""
i = event_amount // 2
event_list = []
try:
while i > 0:
virsh.net_start(net_name, **virsh_dargs)
event_list.append("Started")
virsh.net_destroy(net_name, **virsh_dargs)
event_list.append("Stopped")
i -= 1
if event_amount % 2:
virsh.net_start(net_name, **virsh_dargs)
event_list.append("Started")
finally:
return event_list
def check_output(output, expected_event_list):
"""
Check received net-event in output.
:param output: The virsh shell output, such as:
Welcome to virsh, the virtualization interactive terminal.
Type: 'help' for help with commands
'quit' to quit
virsh # event 'lifecycle' for network virttest_net: Started
events received: 1
virsh #
: expected_event_list: A list of expected events
['Started', 'Stopped', ..]
"""
event_match_str = "event 'lifecycle' for network %s: %s"
if net_event_interrupt:
output = output.strip().splitlines()[5:]
else:
output = output.strip().splitlines()[5:-2]
output = [o.replace("virsh #", "").strip() for o in output]
# Both order and content should match
index = 0
for event_str in expected_event_list:
match_str = event_match_str % (net_name, event_str)
logging.debug("Expected output: %s", match_str)
logging.debug("Actual output: %s", output[index])
if not output[index].count(match_str):
test.fail("Event received not match")
index += 1
try:
if prepare_net:
libv_net = utlv.LibvirtNetwork("vnet", address=net_addr,
net_name=net_name, persistent=True)
# Destroy the network
if virsh.net_state_dict()[net_name]['active']:
virsh.net_destroy(net_name)
logging.info("Defined network %s", net_name)
if net_event_list:
net_event_option += " --list"
if net_event_loop:
net_event_option += " --loop"
if not status_error and not net_event_list:
# Assemble the net-event command
net_event_cmd = "net-event %s" % net_event_option
if net_name:
net_event_cmd += " --network %s" % net_name
if net_event_name:
net_event_cmd += " --event %s" % net_event_name
if net_event_timeout:
net_event_cmd += " --timeout %s" % net_event_timeout
if not status_error:
net_event_timeout = int(net_event_timeout)
# Run the command in a new virsh session, then waiting for
# 'lifecycle' events
logging.info("Sending '%s' to virsh shell", net_event_cmd)
virsh_session.sendline(net_event_cmd)
else:
result = virsh.net_event(network=net_name, event=net_event_name,
event_timeout=net_event_timeout,
options=net_event_option, **virsh_dargs)
utlv.check_exit_status(result, status_error)
if not status_error:
# Verify 'lifecycle' events
if not net_event_list and net_event_name == 'lifecycle':
expected_event_list = trigger_net_event(net_event_amount)
if net_event_timeout:
# Make sure net-event will timeout on time
time.sleep(net_event_timeout)
elif net_event_loop:
virsh_session.send_ctrl("^C")
net_event_interrupt = True
ret_output = virsh_session.get_stripped_output()
check_output(ret_output, expected_event_list)
finally:
virsh_session.close()
if libv_net:
libv_net.cleanup()
def run(test, params, env):
"""
Convert a remote vm to local libvirt(KVM).
"""
for v in list(params.values()):
if "V2V_EXAMPLE" in v:
raise exceptions.TestSkipError("Please set real value for %s" % v)
enable_legacy_policy = params_get(params, "enable_legacy_policy") == 'yes'
vm_name = params.get("main_vm")
source_user = params.get("username", "root")
xen_ip = params.get("xen_hostname")
xen_pwd = params.get("xen_pwd")
vpx_ip = params.get("vpx_hostname")
vpx_pwd = params.get("vpx_pwd")
vpx_pwd_file = params.get("vpx_passwd_file")
vpx_dc = params.get("vpx_dc")
esx_ip = params.get("esx_hostname")
hypervisor = params.get("hypervisor")
input_mode = params.get("input_mode")
target = params.get("target")
v2v_opts = '-v -x' if params.get('v2v_debug', 'on') == 'on' else ''
if params.get('v2v_opts'):
# Add a blank by force
v2v_opts += ' ' + params.get("v2v_opts")
# For VDDK
input_transport = params.get("input_transport")
vddk_libdir = params.get('vddk_libdir')
# nfs mount source
vddk_libdir_src = params.get('vddk_libdir_src')
vddk_thumbprint = params.get('vddk_thumbprint')
source_pwd = None
# Prepare step for different hypervisor
if enable_legacy_policy:
update_crypto_policy("LEGACY")
if hypervisor == "esx":
source_ip = vpx_ip
source_pwd = vpx_pwd
# Create password file to access ESX hypervisor
with open(vpx_pwd_file, 'w') as f:
f.write(vpx_pwd)
elif hypervisor == "xen":
source_ip = xen_ip
source_pwd = xen_pwd
# Set up ssh access using ssh-agent and authorized_keys
xen_pubkey, xen_session = utils_v2v.v2v_setup_ssh_key(source_ip,
source_user,
source_pwd,
auto_close=False)
try:
utils_misc.add_identities_into_ssh_agent()
except Exception:
process.run("ssh-agent -k")
raise exceptions.TestError("Fail to setup ssh-agent")
else:
raise exceptions.TestSkipError("Unsupported hypervisor: %s" %
hypervisor)
# Create libvirt URI for the source node
v2v_uri = utils_v2v.Uri(hypervisor)
remote_uri = v2v_uri.get_uri(source_ip, vpx_dc, esx_ip)
LOG.debug("Remote host uri for converting: %s", remote_uri)
# Make sure the VM exist before convert
virsh_dargs = {
'uri': remote_uri,
'remote_ip': source_ip,
'remote_user': source_user,
'remote_pwd': source_pwd,
'auto_close': True,
'debug': True
}
remote_virsh = virsh.VirshPersistent(**virsh_dargs)
try:
if not remote_virsh.domain_exists(vm_name):
raise exceptions.TestError("VM '%s' not exist" % vm_name)
finally:
remote_virsh.close_session()
# Prepare libvirt storage pool
pool_type = params.get("pool_type")
pool_name = params.get("pool_name")
pool_target = params.get("pool_target")
libvirt_pool = utlv.PoolVolumeTest(test, params)
libvirt_pool.pre_pool(pool_name, pool_type, pool_target, '')
# Prepare libvirt virtual network
network = params.get("network")
net_kwargs = {
'net_name': network,
'address': params.get('network_addr'),
'dhcp_start': params.get('network_dhcp_start'),
'dhcp_end': params.get('network_dhcp_end')
}
libvirt_net = utlv.LibvirtNetwork('vnet', **net_kwargs)
net_info = virsh.net_info(network).stdout.strip()
bridge = re.search(r'Bridge:\s+(\S+)', net_info).group(1)
params['netdst'] = bridge
# Maintain a single params for v2v to avoid duplicate parameters
v2v_params = {
'target': target,
'hypervisor': hypervisor,
'main_vm': vm_name,
'input_mode': input_mode,
'network': network,
'bridge': bridge,
'os_pool': pool_name,
'hostname': source_ip,
'password': source_pwd,
'input_transport': input_transport,
'vcenter_host': vpx_ip,
'vcenter_password': vpx_pwd,
'vddk_thumbprint': vddk_thumbprint,
'vddk_libdir': vddk_libdir,
'vddk_libdir_src': vddk_libdir_src,
'params': params
}
if vpx_dc:
v2v_params.update({"vpx_dc": vpx_dc})
if esx_ip:
v2v_params.update({"esx_ip": esx_ip})
if v2v_opts:
v2v_params.update({"v2v_opts": v2v_opts})
# Set libguestfs environment
if hypervisor == 'xen':
os.environ['LIBGUESTFS_BACKEND'] = 'direct'
try:
# Execute virt-v2v command
ret = utils_v2v.v2v_cmd(v2v_params)
if ret.exit_status != 0:
raise exceptions.TestFail("Convert VM failed")
LOG.debug("XML info:\n%s", virsh.dumpxml(vm_name))
vm = env.create_vm("libvirt", "libvirt", vm_name, params, test.bindir)
# Win10 is not supported by some cpu model,
# need to modify to 'host-model'
unsupport_list = ['win10', 'win2016', 'win2019']
if params.get('os_version') in unsupport_list:
LOG.info('Set cpu mode to "host-model" for %s.', unsupport_list)
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
cpu_xml = vm_xml.VMCPUXML()
cpu_xml.mode = 'host-model'
cpu_xml.fallback = 'allow'
vmxml['cpu'] = cpu_xml
vmxml.sync()
vm.start()
# Check all checkpoints after convert
vmchecker = VMChecker(test, params, env)
# Cannot do "params['vmchecker'] = vmchecker" if vm was to_libvirt,
# or exception 'Fatal Python error: Cannot recover from stack overflow'
# will happen. Not sure how it happens now, if somebody knows about it,
# Please help to fix it.
#
# The exception happens at:
# avocado/utils/stacktrace.py, line 98 in analyze_unpickable_item
# <FIXIT> in future.
try:
ret = vmchecker.run()
finally:
vmchecker.cleanup()
if len(ret) == 0:
LOG.info("All checkpoints passed")
else:
raise exceptions.TestFail("%d checkpoints failed: %s" %
(len(ret), ret))
finally:
utils_v2v.cleanup_constant_files(params)
if enable_legacy_policy:
update_crypto_policy()
if hypervisor == "xen":
utils_v2v.v2v_setup_ssh_key_cleanup(xen_session, xen_pubkey)
process.run("ssh-agent -k")
# Clean libvirt VM
virsh.remove_domain(vm_name)
# Clean libvirt pool
if libvirt_pool:
libvirt_pool.cleanup_pool(pool_name, pool_type, pool_target, '')
# Clean libvirt network
if libvirt_net:
libvirt_net.cleanup()
