def execute(self, lpar_wrap):
# If the state is not in an OK state for deleting, then throw an
# error up front.
modifiable, reason = lpar_wrap.can_modify_io()
if not modifiable:
LOG.error(
"Unable to remove VIFs in the instance's current state. "
"The reason reported by the system is: %(reason)s",
{'reason': reason},
instance=self.instance)
raise exception.VirtualInterfaceUnplugException(reason=reason)
# Get all the current Client Network Adapters (CNA) on the VM itself.
cna_w_list = vm.get_cnas(self.adapter, self.instance)
# Walk through the VIFs and delete the corresponding CNA on the VM.
for network_info in self.network_infos:
vif.unplug(self.adapter,
self.host_uuid,
self.instance,
network_info,
self.slot_mgr,
cna_w_list=cna_w_list)
return cna_w_list
def test_unplug(self, mock_event, mock_bld_drv):
"""Test the top-level unplug method."""
mock_vif = {'address': 'MAC', 'type': 'pvm_sea'}
slot_mgr = mock.Mock()
# 1) With slot deregistration, default cna_w_list
mock_bld_drv.return_value.unplug.return_value = 'vnet_w'
vif.unplug(self.adpt, 'host_uuid', 'instance', mock_vif, slot_mgr)
mock_bld_drv.assert_called_once_with(self.adpt, 'host_uuid',
'instance', mock_vif)
mock_bld_drv.return_value.unplug.assert_called_once_with(
mock_vif, cna_w_list=None)
slot_mgr.drop_vnet.assert_called_once_with('vnet_w')
mock_event.assert_called_once_with(self.adpt, 'unplug', 'vnet_w',
mock.ANY, 'pvm_sea')
# Clean up
mock_bld_drv.reset_mock()
mock_bld_drv.return_value.unplug.reset_mock()
slot_mgr.drop_vnet.reset_mock()
mock_event.reset_mock()
# 2) Without slot deregistration, specified cna_w_list
mock_bld_drv.return_value.unplug.return_value = None
vif.unplug(self.adpt, 'host_uuid', 'instance', mock_vif, slot_mgr,
cna_w_list='cnalist')
mock_bld_drv.assert_called_once_with(self.adpt, 'host_uuid',
'instance', mock_vif)
mock_bld_drv.return_value.unplug.assert_called_once_with(
mock_vif, cna_w_list='cnalist')
slot_mgr.drop_vnet.assert_not_called()
# When unplug doesn't find a vif, we don't push an event
mock_event.assert_not_called()
def execute_impl(self, lpar_wrap):
# If the state is not in an OK state for deleting, then throw an
# error up front.
modifiable, reason = lpar_wrap.can_modify_io()
if not modifiable:
LOG.error(_LE('Unable to remove VIFs from instance %(inst)s '
'because the system is not in a correct state. '
'The reason reported by the system is: %(reason)s'),
{'inst': self.instance.name, 'reason': reason},
instance=self.instance)
raise VirtualInterfaceUnplugException()
# Get all the current Client Network Adapters (CNA) on the VM itself.
cna_w_list = vm.get_cnas(self.adapter, self.instance)
# Walk through the VIFs and delete the corresponding CNA on the VM.
for network_info in self.network_infos:
vif.unplug(self.adapter, self.host_uuid, self.instance,
network_info, self.slot_mgr, cna_w_list=cna_w_list)
return cna_w_list
def revert_impl(self, lpar_wrap, result, flow_failures):
if not self.network_infos:
return
# The parameters have to match the execute method, plus the response +
# failures even if only a subset are used.
LOG.warning(_LW('VIF creation being rolled back for instance '
'%(inst)s'), {'inst': self.instance.name},
instance=self.instance)
# Get the current adapters on the system
cna_w_list = vm.get_cnas(self.adapter, self.instance)
for network_info in self.network_infos:
try:
vif.unplug(self.adapter, self.host_uuid, self.instance,
network_info, self.slot_mgr, cna_w_list=cna_w_list)
except Exception as e:
LOG.exception(e)
LOG.warning(_LW("An exception occurred during an unplug "
"in the vif rollback. Ignoring."),
instance=self.instance)
def revert_impl(self, lpar_wrap, result, flow_failures):
if not self.network_infos:
return
# The parameters have to match the execute method, plus the response +
# failures even if only a subset are used.
LOG.warning(_LW('VIF creation being rolled back for instance '
'%(inst)s'), {'inst': self.instance.name},
instance=self.instance)
# Get the current adapters on the system
cna_w_list = vm.get_cnas(self.adapter, self.instance)
for network_info in self.crt_network_infos:
try:
vif.unplug(self.adapter, self.host_uuid, self.instance,
network_info, self.slot_mgr, cna_w_list=cna_w_list)
except Exception as e:
LOG.exception(e)
LOG.warning(_LW("An exception occurred during an unplug "
"in the vif rollback. Ignoring."),
instance=self.instance)
def revert(self, lpar_wrap, result, flow_failures):
if not self.network_infos:
return
# The parameters have to match the execute method, plus the response +
# failures even if only a subset are used.
LOG.warning('VIF creation is being rolled back.',
instance=self.instance)
# Get the current adapters on the system
cna_w_list = vm.get_cnas(self.adapter, self.instance)
for network_info in self.crt_network_infos:
try:
vif.unplug(self.adapter,
self.host_uuid,
self.instance,
network_info,
self.slot_mgr,
cna_w_list=cna_w_list)
except Exception:
LOG.exception(
"Error unplugging during vif rollback. "
"Ignoring.",
instance=self.instance)