def _restore_sriov_config():
persistent_config = PersistentConfig()
current_sriov_pci_devs = sriov.list_sriov_pci_devices()
desired_sriov_pci_devs = {
sriov.devname2pciaddr(devname)
for devname, devattrs in six.viewitems(persistent_config.devices)
if 'sriov' in devattrs
}
non_persisted_devs = current_sriov_pci_devs - desired_sriov_pci_devs
if non_persisted_devs:
logging.info(
'Non persisted SRIOV devices found: %s', non_persisted_devs
)
missing_current_devs = desired_sriov_pci_devs - current_sriov_pci_devs
if missing_current_devs:
logging.error(
'Persisted SRIOV devices could not be found: %s',
missing_current_devs,
)
for sriov_devpci in current_sriov_pci_devs & desired_sriov_pci_devs:
devname = sriov.pciaddr2devname(sriov_devpci)
numvfs = persistent_config.devices[devname]['sriov']['numvfs']
try:
change_numvfs(sriov_devpci, numvfs, devname)
except Exception:
logging.exception(
'Restoring VF configuration for device %s failed. '
'Persisted nets built on this device will fail to restore.',
devname,
)
def _restore_sriov_config():
persistent_config = PersistentConfig()
current_sriov_pci_devs = sriov.list_sriov_pci_devices()
desired_sriov_pci_devs = {
sriov.devname2pciaddr(devname)
for devname, devattrs in six.viewitems(persistent_config.devices)
if 'sriov' in devattrs
}
non_persisted_devs = current_sriov_pci_devs - desired_sriov_pci_devs
if non_persisted_devs:
logging.info('Non persisted SRIOV devices found: %s',
non_persisted_devs)
missing_current_devs = desired_sriov_pci_devs - current_sriov_pci_devs
if missing_current_devs:
logging.error('Persisted SRIOV devices could not be found: %s',
missing_current_devs)
for sriov_devpci in (current_sriov_pci_devs & desired_sriov_pci_devs):
devname = sriov.pciaddr2devname(sriov_devpci)
numvfs = persistent_config.devices[devname]['sriov']['numvfs']
try:
change_numvfs(sriov_devpci, numvfs, devname)
except Exception:
logging.exception(
'Restoring VF configuration for device %s failed. '
'Persisted nets built on this device will fail to restore.',
devname
)
def test_list_sriov_pci_devices(self, mock_glob):
mock_glob.return_value = [
'/sys/bus/pci/devices/' + PCI1 + '/sriov_totalvfs',
'/sys/bus/pci/devices/' + PCI2 + '/sriov_totalvfs'
]
pci_list = sriov.list_sriov_pci_devices()
self.assertEqual(pci_list, set([PCI1, PCI2]))
def test_list_sriov_pci_devices(self, mock_glob):
mock_glob.return_value = [
'/sys/bus/pci/devices/' + PCI1 + '/sriov_totalvfs',
'/sys/bus/pci/devices/' + PCI2 + '/sriov_totalvfs',
]
pci_list = sriov.list_sriov_pci_devices()
assert pci_list == set([PCI1, PCI2])
