def test_get_boot_uuid(fake_findmnt):
fake_script = """\
#!/bin/sh
# Normally, we would run the real findmnt to validate the arguments
#
# However, findmnt will return a random UUID for every boot partition it
# runs on. Therefore we skip the findmnt test run and just fake the
# output.
echo '{}'
"""
fake_findmnt.write(
fake_script.format("f3d3c716-54a0-4cd8-8ee1-d49f88e9cb11\n"))
assert osinfo.boot_uuid() == "f3d3c716-54a0-4cd8-8ee1-d49f88e9cb11"
def get():
numa.update()
caps = {}
cpu_topology = numa.cpu_topology()
caps['kvmEnabled'] = str(os.path.exists('/dev/kvm')).lower()
if config.getboolean('vars', 'report_host_threads_as_cores'):
caps['cpuCores'] = str(cpu_topology.threads)
else:
caps['cpuCores'] = str(cpu_topology.cores)
caps['cpuThreads'] = str(cpu_topology.threads)
caps['cpuSockets'] = str(cpu_topology.sockets)
caps['onlineCpus'] = ','.join(
[str(cpu_id) for cpu_id in cpu_topology.online_cpus])
caps['cpuTopology'] = [{
'cpu_id': cpu.cpu_id,
'numa_cell_id': cpu.numa_cell_id,
'socket_id': cpu.socket_id,
'die_id': cpu.die_id,
'core_id': cpu.core_id,
} for cpu in numa.cpu_info()]
caps['cpuSpeed'] = cpuinfo.frequency()
caps['cpuModel'] = cpuinfo.model()
caps['cpuFlags'] = ','.join(_getFlagsAndFeatures())
caps['vdsmToCpusAffinity'] = list(taskset.get(os.getpid()))
caps.update(dsaversion.version_info())
proxy = supervdsm.getProxy()
net_caps = proxy.network_caps()
caps.update(net_caps)
caps['ovnConfigured'] = proxy.is_ovn_configured()
try:
caps['hooks'] = hooks.installed()
except:
logging.debug('not reporting hooks', exc_info=True)
caps['operatingSystem'] = osinfo.version()
caps['uuid'] = host.uuid()
caps['packages2'] = osinfo.package_versions()
caps['realtimeKernel'] = osinfo.runtime_kernel_flags().realtime
caps['kernelArgs'] = osinfo.kernel_args()
caps['nestedVirtualization'] = osinfo.nested_virtualization().enabled
caps['emulatedMachines'] = machinetype.emulated_machines(
cpuarch.effective())
caps['ISCSIInitiatorName'] = _getIscsiIniName()
caps['HBAInventory'] = hba.HBAInventory()
caps['vmTypes'] = ['kvm']
caps['memSize'] = str(utils.readMemInfo()['MemTotal'] // 1024)
caps['reservedMem'] = str(
config.getint('vars', 'host_mem_reserve') +
config.getint('vars', 'extra_mem_reserve'))
caps['guestOverhead'] = config.get('vars', 'guest_ram_overhead')
caps['rngSources'] = rngsources.list_available()
caps['numaNodes'] = dict(numa.topology())
caps['numaNodeDistance'] = dict(numa.distances())
caps['autoNumaBalancing'] = numa.autonuma_status()
caps['selinux'] = osinfo.selinux_status()
caps['liveSnapshot'] = 'true'
caps['liveMerge'] = 'true'
caps['kdumpStatus'] = osinfo.kdump_status()
caps["deferred_preallocation"] = True
caps['hostdevPassthrough'] = str(hostdev.is_supported()).lower()
# TODO This needs to be removed after adding engine side support
# and adding gdeploy support to enable libgfapi on RHHI by default
caps['additionalFeatures'] = ['libgfapi_supported']
if osinfo.glusterEnabled:
from vdsm.gluster.api import glusterAdditionalFeatures
caps['additionalFeatures'].extend(glusterAdditionalFeatures())
caps['hostedEngineDeployed'] = _isHostedEngineDeployed()
caps['hugepages'] = hugepages.supported()
caps['kernelFeatures'] = osinfo.kernel_features()
caps['vncEncrypted'] = _isVncEncrypted()
caps['backupEnabled'] = True
caps['coldBackupEnabled'] = True
caps['clearBitmapsEnabled'] = True
caps['fipsEnabled'] = _getFipsEnabled()
try:
caps['boot_uuid'] = osinfo.boot_uuid()
except Exception:
logging.exception("Can not find boot uuid")
caps['tscFrequency'] = _getTscFrequency()
caps['tscScaling'] = _getTscScaling()
try:
caps["connector_info"] = managedvolume.connector_info()
except se.ManagedVolumeNotSupported as e:
logging.info("managedvolume not supported: %s", e)
except se.ManagedVolumeHelperFailed as e:
logging.exception("Error getting managedvolume connector info: %s", e)
# Which domain versions are supported by this host.
caps["domain_versions"] = sc.DOMAIN_VERSIONS
caps["supported_block_size"] = backends.supported_block_size()
caps["cd_change_pdiv"] = True
caps["refresh_disk_supported"] = True
return caps
def test_get_boot_uuid_error(monkeypatch):
monkeypatch.setattr(osinfo, "_FINDMNT", "false")
osinfo.boot_uuid.invalidate()
with pytest.raises(Exception):
osinfo.boot_uuid()