def plug(self, instance, vif):
vif_type = vif.get('type')
if vif_type != VIF_TYPE_HOSTDEV:
self.libvirt_gen_drv.plug(instance, vif)
else:
try:
LOG.debug(_("vif_type=%s"), vif_type)
network = vif['network']
vnic_mac = vif['address']
device_id = instance['uuid']
dev_name = None
dev = None
fabric = network['meta'].get('physical_network')
if fabric:
dev = utils.execute('ebrctl', 'add-port', vnic_mac,
device_id, fabric, vif_type, dev_name,
run_as_root=True)
if dev:
return
else:
error_msg = "Cannot plug VIF with no allocated device"
else:
error_msg = "Cannot plug VIF. Fabric is expected"
LOG.warning(_(error_msg))
except Exception:
LOG.exception(_("Processing Failure during vNIC plug"))
def get_config(self, instance, vif, image_meta,
inst_type):
vif_type = vif.get('type')
if vif_type != VIF_TYPE_HOSTDEV:
conf = self.libvirt_gen_drv.get_config(instance, vif,
image_meta, inst_type)
else:
LOG.debug(_("vif_type=%s"), vif_type)
dev_name = None
dev = None
device_id = instance['uuid']
vnic_mac = vif['address']
network = vif['network']
fabric = network['meta'].get('physical_network')
try:
if fabric:
res = utils.execute('ebrctl', 'allocate-port',
vnic_mac, device_id, fabric,
vif_type, run_as_root=True)
dev = res[0].strip()
else:
LOG.warning(_("Fabric is expected.Got None."))
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while config vif"),
instance=instance)
raise exception.NovaException(_("Processing Failure during "
"vNIC allocation"))
#Allocation Failed
if dev is None:
raise exception.NovaException(_("Failed to allocate "
"device for vNIC"))
conf = self.get_dev_config(vnic_mac, dev)
return conf
def unplug(self, instance, vif):
vif_type = vif.get('type')
if vif_type != VIF_TYPE_HOSTDEV:
self.libvirt_gen_drv.unplug(instance, vif)
else:
try:
LOG.debug(_("vif_type=%s"), vif_type)
network = vif['network']
vnic_mac = vif['address']
fabric = network['meta'].get('physical_network')
if fabric:
utils.execute('ebrctl', 'del-port', fabric,
vnic_mac, run_as_root=True)
else:
LOG.warning(_("Cannot unplug VIF. Fabric is expected"))
except Exception:
LOG.exception(_("Failed while unplugging vif"))
def unplug(self, instance, vif):
vif_type = vif.get('type')
if vif_type != VIF_TYPE_HOSTDEV:
self.libvirt_gen_drv.unplug(instance, vif)
else:
LOG.debug(_("vif_type=%s"), vif_type)
network = vif['network']
vnic_mac = vif['address']
fabric = vif.get_physical_network()
if not fabric:
raise exception.NetworkMissingPhysicalNetwork(
network_uuid=vif['network']['id'])
try:
utils.execute('ebrctl', 'del-port', fabric,
vnic_mac, run_as_root=True)
except Exception:
LOG.exception(_("Failed while unplugging vif"))
