def test_plug_mgmt_vif(self, mock_vm_get, mock_plug, mock_vs_search,
mock_crt_cna):
"""Tests that a mgmt vif can be created."""
inst = powervm.TEST_INSTANCE
# Mock up the rmc vswitch
vswitch_w = mock.MagicMock()
vswitch_w.href = 'fake_mgmt_uri'
mock_vs_search.return_value = [vswitch_w]
# Run method such that it triggers a fresh CNA search
p_vifs = tf_net.PlugMgmtVif(self.apt, inst)
p_vifs.execute(None)
# With the default get_cnas mock (which returns a Mock()), we think we
# found an existing management CNA.
mock_crt_cna.assert_not_called()
mock_vm_get.assert_called_once_with(
self.apt, inst, vswitch_uri='fake_mgmt_uri')
# Now mock get_cnas to return no hits
mock_vm_get.reset_mock()
mock_vm_get.return_value = []
p_vifs.execute(None)
# Get was called; and since it didn't have the mgmt CNA, so was plug.
self.assertEqual(1, mock_crt_cna.call_count)
mock_vm_get.assert_called_once_with(
self.apt, inst, vswitch_uri='fake_mgmt_uri')
# Now pass CNAs, but not the mgmt vif, "from PlugVifs"
cnas = [mock.Mock(vswitch_uri='uri1'), mock.Mock(vswitch_uri='uri2')]
mock_crt_cna.reset_mock()
mock_vm_get.reset_mock()
p_vifs.execute(cnas)
# Get wasn't called, since the CNAs were passed "from PlugVifs"; but
# since the mgmt vif wasn't included, plug was called.
mock_vm_get.assert_not_called()
mock_crt_cna.assert_called()
# Finally, pass CNAs including the mgmt.
cnas.append(mock.Mock(vswitch_uri='fake_mgmt_uri'))
mock_crt_cna.reset_mock()
p_vifs.execute(cnas)
# Neither get nor plug was called.
mock_vm_get.assert_not_called()
mock_crt_cna.assert_not_called()
# Validate args on taskflow.task.Task instantiation
with mock.patch('taskflow.task.Task.__init__') as tf:
tf_net.PlugMgmtVif(self.apt, inst)
tf.assert_called_once_with(
name='plug_mgmt_vif', provides='mgmt_cna', requires=['vm_cnas'])
def spawn(self,
context,
instance,
image_meta,
injected_files,
admin_password,
allocations,
network_info=None,
block_device_info=None):
"""Create a new instance/VM/domain on the virtualization platform.
Once this successfully completes, the instance should be
running (power_state.RUNNING).
If this fails, any partial instance should be completely
cleaned up, and the virtualization platform should be in the state
that it was before this call began.
:param context: security context
:param instance: nova.objects.instance.Instance
This function should use the data there to guide
the creation of the new instance.
:param nova.objects.ImageMeta image_meta:
The metadata of the image of the instance.
:param injected_files: User files to inject into instance.
:param admin_password: Administrator password to set in instance.
:param allocations: Information about resources allocated to the
instance via placement, of the form returned by
SchedulerReportClient.get_allocations_for_consumer.
:param network_info: instance network information
:param block_device_info: Information about block devices to be
attached to the instance.
"""
self._log_operation('spawn', instance)
# Define the flow
flow_spawn = tf_lf.Flow("spawn")
# This FeedTask accumulates VIOS storage connection operations to be
# run in parallel. Include both SCSI and fibre channel mappings for
# the scrubber.
stg_ftsk = pvm_par.build_active_vio_feed_task(
self.adapter, xag={pvm_const.XAG.VIO_SMAP, pvm_const.XAG.VIO_FMAP})
flow_spawn.add(
tf_vm.Create(self.adapter, self.host_wrapper, instance, stg_ftsk))
# Create a flow for the IO
flow_spawn.add(
tf_net.PlugVifs(self.virtapi, self.adapter, instance,
network_info))
flow_spawn.add(tf_net.PlugMgmtVif(self.adapter, instance))
# Create the boot image.
flow_spawn.add(
tf_stg.CreateDiskForImg(self.disk_dvr, context, instance,
image_meta))
# Connects up the disk to the LPAR
flow_spawn.add(
tf_stg.AttachDisk(self.disk_dvr, instance, stg_ftsk=stg_ftsk))
# If the config drive is needed, add those steps. Should be done
# after all the other I/O.
if configdrive.required_by(instance):
flow_spawn.add(
tf_stg.CreateAndConnectCfgDrive(self.adapter,
instance,
injected_files,
network_info,
stg_ftsk,
admin_pass=admin_password))
# Add the transaction manager flow at the end of the 'I/O
# connection' tasks. This will run all the connections in parallel.
flow_spawn.add(stg_ftsk)
# Last step is to power on the system.
flow_spawn.add(tf_vm.PowerOn(self.adapter, instance))
# Run the flow.
tf_base.run(flow_spawn, instance=instance)
