def get_ovmf_path():
"""
Retrieve the ovmf path in virsh domcapabilities
:returns: str, ovmf path, otherwise None
"""
domcapa_xml = domcapability_xml.DomCapabilityXML()
ovmf_nodes = domcapa_xml.xmltreefile.findall('/os/loader/value')
if not ovmf_nodes:
return None
return ovmf_nodes[0].text
def get_domcapa_xml(extract=False):
"""
Get full domcapabilities xml or the cpu definition
from domcapabilities xml
:param extract: Setting True will extract cpu definition
from domcapabilities xml
:return: The instance of DomCapabilityXML
"""
domcapa_xml = domcapability_xml.DomCapabilityXML()
if extract:
domcapa_xml.xmltreefile = domcapa_xml.xmltreefile.reroot('/cpu')
return domcapa_xml
def get_cpu_features():
"""
Get all supported CPU features
:return: list of feature string
"""
features = []
dom_capa = domcapability_xml.DomCapabilityXML()
modelname = dom_capa.get_hostmodel_name()
for item in dom_capa.get_additional_feature_list('host-model'):
for key, value in item.items():
if value == 'require':
features.append(key)
return list(set(features) | set(cpu.get_model_features(modelname)))
def update_cpu_xml():
"""
Update cpu xml for test
"""
vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
# Create cpu xml for test
if vmxml.xmltreefile.find('cpu'):
cpu_xml = vmxml.cpu
else:
cpu_xml = vm_xml.VMCPUXML()
if customize_cpu_features:
for idx in range(len(cpu_xml.get_feature_list()) - 1, -1, -1):
cpu_xml.remove_feature(idx)
domcapa_xml = domcapability_xml.DomCapabilityXML()
features = domcapa_xml.get_additional_feature_list(
'host-model', ignore_features=None)
for feature in features:
for feature_name, feature_policy in feature.items():
# For host-passthrough mode, adding "invtsc" requires
# more settings, so it will be ignored.
if feature_name != "invtsc":
cpu_xml.add_feature(feature_name, feature_policy)
if cpu_mode:
cpu_xml.mode = cpu_mode
if cpu_vendor_id:
cpu_xml.vendor_id = cpu_vendor_id
# Update vm's cpu
vmxml.cpu = cpu_xml
vmxml.sync()
if vcpu_max:
if with_topology:
vm_xml.VMXML.set_vm_vcpus(vm_name,
int(vcpu_max),
cores=int(vcpu_max),
sockets=1,
threads=1,
add_topology=with_topology,
topology_correction=with_topology)
else:
vm_xml.VMXML.set_vm_vcpus(vm_name, int(vcpu_max))
def get_cpu_definition(source_type, vm_name, test):
"""
Extract cpu definition according source type
:param source_type: The source file type includes
domxml, domcapa_xml and capa_xml
:param vm_name: The VM name
:param test: Avocado test object
:return: The string of cpu definition
"""
cpu_xml = None
if source_type == "domxml":
dom_xml = vm_xml.VMXML.new_from_dumpxml(vm_name)
cpu_xml = dom_xml.xmltreefile.get_element_string('/cpu')
elif source_type == "domcapa_xml":
domcapa_xml = domcapability_xml.DomCapabilityXML()
cpu_xml = domcapa_xml.xmltreefile.get_element_string('/cpu')
elif source_type == "capa_xml":
capa_xml = capability_xml.CapabilityXML()
cpu_xml = capa_xml.xmltreefile.get_element_string('/host/cpu')
else:
test.fail("Invalid source type: %s" % source_type)
return cpu_xml
def run(test, params, env):
"""
Test the command virsh maxvcpus
(1) Call virsh maxvcpus
(2) Call virsh -c remote_uri maxvcpus
(3) Call virsh maxvcpus with an unexpected option
"""
# get the params from subtests.
# params for general.
option = params.get("virsh_maxvcpus_options")
status_error = params.get("status_error")
connect_arg = params.get("connect_arg", "")
# params for transport connect.
local_ip = params.get("local_ip", "ENTER.YOUR.LOCAL.IP")
local_pwd = params.get("local_pwd", "ENTER.YOUR.LOCAL.ROOT.PASSWORD")
server_ip = params.get("remote_ip", local_ip)
server_pwd = params.get("remote_pwd", local_pwd)
transport_type = params.get("connect_transport_type", "local")
transport = params.get("connect_transport", "ssh")
connect_uri = None
# check the config
if (connect_arg == "transport" and transport_type == "remote"
and local_ip.count("ENTER")):
raise exceptions.TestSkipError("Parameter local_ip is not configured "
"in remote test.")
if (connect_arg == "transport" and transport_type == "remote"
and local_pwd.count("ENTER")):
raise exceptions.TestSkipError("Parameter local_pwd is not configured "
"in remote test.")
if connect_arg == "transport":
canonical_uri_type = virsh.driver()
if transport == "ssh":
ssh_connection = utils_conn.SSHConnection(server_ip=server_ip,
server_pwd=server_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()
connect_uri = libvirt_vm.get_uri_with_transport(
uri_type=canonical_uri_type,
transport=transport,
dest_ip=server_ip)
virsh_dargs = {
'remote_ip': server_ip,
'remote_user': '******',
'remote_pwd': server_pwd,
'ssh_remote_auth': True
}
virsh_instance = virsh.VirshPersistent(**virsh_dargs)
else:
connect_uri = connect_arg
virsh_instance = virsh
if libvirt_version.version_compare(2, 3, 0):
try:
maxvcpus = None
maxvcpus_cap = None
dom_capabilities = None
# make sure we take maxvcpus from right host, helps in case remote
try:
dom_capabilities = domcap.DomCapabilityXML(
virsh_instance=virsh_instance)
maxvcpus = dom_capabilities.max
logging.debug(
"maxvcpus calculate from domcapabilities "
"is %s", maxvcpus)
except Exception as details:
raise exceptions.TestFail("Failed to get maxvcpus from "
"domcapabilities xml:\n%s" %
dom_capabilities)
try:
cap_xml = capability_xml.CapabilityXML()
maxvcpus_cap = cap_xml.get_guest_capabilities()['hvm'][
platform.machine()]['maxcpus']
logging.debug('maxvcpus_cap is %s', maxvcpus_cap)
except Exception as details:
logging.debug(
"Failed to get maxvcpu from virsh "
"capabilities: %s", details)
# Let's fall back in case of failure
maxvcpus_cap = maxvcpus
if not maxvcpus:
raise exceptions.TestFail("Failed to get max value for vcpu"
"from domcapabilities "
"xml:\n%s" % dom_capabilities)
except Exception as details:
raise exceptions.TestFail(
"Failed get the virsh instance with uri: "
"%s\n Details: %s" % (connect_uri, details))
is_arm = "aarch" in platform.machine()
gic_version = ''
if is_arm:
for gic_enum in domcap.DomCapabilityXML()['features']['gic_enums']:
if gic_enum['name'] == "version":
gic_version = gic_enum['values'][0].get_value()
# Run test case
result = virsh.maxvcpus(option,
uri=connect_uri,
ignore_status=True,
debug=True)
maxvcpus_test = result.stdout.strip()
status = result.exit_status
# Check status_error
if status_error == "yes":
if status == 0:
raise exceptions.TestFail("Run succeeded with unsupported option!")
else:
logging.info("Run failed with unsupported option %s " % option)
elif status_error == "no":
if status == 0:
if not libvirt_version.version_compare(2, 3, 0):
if "kqemu" in option:
if not maxvcpus_test == '1':
raise exceptions.TestFail("Command output %s is not "
"expected for %s " %
(maxvcpus_test, option))
elif option in ['qemu', '--type qemu', '']:
if not maxvcpus_test == '16':
raise exceptions.TestFail("Command output %s is not "
"expected for %s " %
(maxvcpus_test, option))
else:
# No check with other types
pass
else:
# It covers all possible combinations
if option in [
'qemu', 'kvm', '--type qemu', '--type kvm', 'kqemu',
'--type kqemu', ''
]:
if (is_arm and gic_version == '2'
and option in ['kvm', '']):
if not maxvcpus_test == '8':
raise exceptions.TestFail(
"Command output %s is not "
"expected for %s " % (maxvcpus_test, option))
elif not (maxvcpus_test == maxvcpus
or maxvcpus_test == maxvcpus_cap):
raise exceptions.TestFail("Command output %s is not "
"expected for %s " %
(maxvcpus_test, option))
else:
# No check with other types
pass
else:
raise exceptions.TestFail("Run command failed")
def check_cpu(xml, cpu_match, arch, model, policies):
"""
Check the dumpxml result for --update-cpu option
Note, function custom_cpu() hard code these features and policy,
so after run virsh dumpxml --update-cpu:
1. For match='minimum', all host support features will added,
and match change to 'exact'. Since libvirt-3.0, cpu update is
reworked, and the custom CPU with minimum match is converted
similarly to host-model.
2. policy='optional' features(support by host) will update to
policy='require'
3. policy='optional' features(unsupported by host) will update to
policy='disable'
4. Other policy='disable|force|forbid|require' with keep the
original values
"""
vmxml = vm_xml.VMXML()
vmxml['xml'] = xml
vmcpu_xml = vmxml['cpu']
check_pass = True
require_count = 0
expect_require_features = 0
cpu_feature_list = vmcpu_xml.get_feature_list()
dom_capa = domcapability_xml.DomCapabilityXML()
is_supported_on_hypervisor = is_supported_on_hypervisor_func(dom_capa)
for i in range(len(cpu_feature_list)):
f_name = vmcpu_xml.get_feature_name(i)
f_policy = vmcpu_xml.get_feature_policy(i)
err_msg = "Policy of '%s' is not expected: %s" % (f_name, f_policy)
expect_policy = "disable"
if f_name in policies:
if policies[f_name] == "optional" and arch != "s390x":
if is_supported_on_hypervisor(f_name):
expect_policy = "require"
else:
expect_policy = policies[f_name]
if f_policy != expect_policy:
logging.error(err_msg)
check_pass = False
# Count expect require features
if expect_policy == "require":
expect_require_features += 1
# Count actual require features
if f_policy == "require":
require_count += 1
# Check optional feature is changed to require/disable
expect_model = model
if cpu_match == "minimum":
# libvirt commit 3b6be3c0 change the behavior of update-cpu
# Check model is changed to host cpu-model given in domcapabilities
if libvirt_version.version_compare(3, 0, 0):
expect_model = dom_capa.get_hostmodel_name()
expect_match = "exact"
# For different host, the support require features are different,
# so just check the actual require features greater than the
# expect number
if require_count < expect_require_features:
logging.error("Found %d require features, but expect >=%s",
require_count, expect_require_features)
check_pass = False
else:
expect_match = cpu_match
if require_count != expect_require_features:
logging.error("Found %d require features, but expect %s",
require_count, expect_require_features)
check_pass = False
logging.debug("Expect 'match' value is: %s", expect_match)
match = vmcpu_xml['match']
if match != expect_match:
logging.error("CPU match '%s' is not expected", match)
check_pass = False
logging.debug("Expect 'model' value is: %s", expect_model)
if vmcpu_xml['model'] != expect_model:
logging.error("CPU model %s is not expected", vmcpu_xml['model'])
check_pass = False
return check_pass
def run(test, params, env):
"""
Test the command virsh maxvcpus
(1) Call virsh maxvcpus
(2) Call virsh -c remote_uri maxvcpus
(3) Call virsh maxvcpus with an unexpected option
"""
# get the params from subtests.
# params for general.
option = params.get("virsh_maxvcpus_options")
status_error = params.get("status_error")
connect_arg = params.get("connect_arg", "")
# params for transport connect.
local_ip = params.get("local_ip", "ENTER.YOUR.LOCAL.IP")
local_pwd = params.get("local_pwd", "ENTER.YOUR.LOCAL.ROOT.PASSWORD")
server_ip = params.get("remote_ip", local_ip)
server_pwd = params.get("remote_pwd", local_pwd)
transport_type = params.get("connect_transport_type", "local")
transport = params.get("connect_transport", "ssh")
connect_uri = None
# check the config
if (connect_arg == "transport" and transport_type == "remote"
and local_ip.count("ENTER")):
raise exceptions.TestSkipError("Parameter local_ip is not configured "
"in remote test.")
if (connect_arg == "transport" and transport_type == "remote"
and local_pwd.count("ENTER")):
raise exceptions.TestSkipError("Parameter local_pwd is not configured "
"in remote test.")
if connect_arg == "transport":
canonical_uri_type = virsh.driver()
if transport == "ssh":
ssh_connection = utils_conn.SSHConnection(server_ip=server_ip,
server_pwd=server_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()
connect_uri = libvirt_vm.get_uri_with_transport(
uri_type=canonical_uri_type,
transport=transport,
dest_ip=server_ip)
else:
connect_uri = connect_arg
if libvirt_version.version_compare(2, 3, 0):
try:
maxvcpus = None
dom_capabilities = None
# make sure we take maxvcpus from right host, helps incase remote
try:
dom_capabilities = domcap.DomCapabilityXML()
maxvcpus = dom_capabilities.max
logging.debug(
"maxvcpus calculate from domcapabilities "
"is %s", maxvcpus)
except:
raise exceptions.TestFail("Failed to get maxvcpus from "
"domcapabilities xml:\n%s" %
dom_capabilities)
if not maxvcpus:
raise exceptions.TestFail("Failed to get max value for vcpu"
"from domcapabilities "
"xml:\n%s" % dom_capabilities)
except Exception, details:
raise exceptions.TestFail(
"Failed get the virsh instance with uri: "
"%s\n Details: %s" % (connect_uri, details))
except:
raise exceptions.TestFail("Failed to get maxvcpus from "
"domcapabilities xml:\n%s" %
dom_capabilities)
if not maxvcpus:
raise exceptions.TestFail("Failed to get max value for vcpu"
"from domcapabilities "
"xml:\n%s" % dom_capabilities)
except Exception, details:
raise exceptions.TestFail(
"Failed get the virsh instance with uri: "
"%s\n Details: %s" % (connect_uri, details))
is_arm = "aarch" in platform.machine()
if is_arm:
for gic_enum in domcap.DomCapabilityXML()['features']['gic_enums']:
if gic_enum['name'] == "version":
gic_version = gic_enum['values'][0].get_value()
# Run test case
result = virsh.maxvcpus(option,
uri=connect_uri,
ignore_status=True,
debug=True)
maxvcpus_test = result.stdout.strip()
status = result.exit_status
# Check status_error
if status_error == "yes":
if status == 0:
