def detach_volume(self, context, connection_info, instance, mountpoint,
encryption=None):
"""Detach the volume attached to the instance.
:param context: security context
:param connection_info: Volume connection information from the block
device mapping
:param instance: nova.objects.instance.Instance
:param mountpoint: Unused
:param encryption: Unused
"""
self._log_operation('detach_volume', instance)
# Define the flow
flow = tf_lf.Flow("detach_volume")
# Get a volume adapter for this volume
vol_drv = volume.build_volume_driver(self.adapter, instance,
connection_info)
# Add a task to detach the volume
flow.add(tf_stg.DetachVolume(vol_drv))
# Run the flow
tf_base.run(flow, instance=instance)
def plug_vifs(self, instance, network_info):
"""Plug VIFs into networks."""
self._log_operation('plug_vifs', instance)
# Define the flow
flow = tf_lf.Flow("plug_vifs")
# Get the LPAR Wrapper
flow.add(tf_vm.Get(self.adapter, instance))
# Run the attach
flow.add(
tf_net.PlugVifs(self.virtapi, self.adapter, instance,
network_info))
# Run the flow
try:
tf_base.run(flow, instance=instance)
except exc.InstanceNotFound:
raise exc.VirtualInterfacePlugException(
_("Plug vif failed because instance %s was not found.") %
instance.name)
except Exception:
LOG.exception("PowerVM error plugging vifs.", instance=instance)
raise exc.VirtualInterfacePlugException(
_("Plug vif failed because of an unexpected error."))
def plug_vifs(self, instance, network_info):
"""Plug VIFs into networks."""
self._log_operation('plug_vifs', instance)
# Define the flow
flow = tf_lf.Flow("plug_vifs")
# Get the LPAR Wrapper
flow.add(tf_vm.Get(self.adapter, instance))
# Run the attach
flow.add(tf_net.PlugVifs(self.virtapi, self.adapter, instance,
network_info))
# Run the flow
try:
tf_base.run(flow, instance=instance)
except exc.InstanceNotFound:
raise exc.VirtualInterfacePlugException(
_("Plug vif failed because instance %s was not found.")
% instance.name)
except Exception:
LOG.exception("PowerVM error plugging vifs.", instance=instance)
raise exc.VirtualInterfacePlugException(
_("Plug vif failed because of an unexpected error."))
def spawn(self, context, instance, image_meta, injected_files,
admin_password, 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 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")
flow_spawn.add(tf_vm.Create(self.adapter, self.host_wrapper, instance))
# TODO(thorst, efried) Plug the VIFs
# TODO(thorst, efried) Create/Connect the disk
# TODO(thorst, efried) Add the config drive
# 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)
def attach_volume(self, context, connection_info, instance, mountpoint,
disk_bus=None, device_type=None, encryption=None):
"""Attach the volume to the instance using the connection_info.
:param context: security context
:param connection_info: Volume connection information from the block
device mapping
:param instance: nova.objects.instance.Instance
:param mountpoint: Unused
:param disk_bus: Unused
:param device_type: Unused
:param encryption: Unused
"""
self._log_operation('attach_volume', instance)
# Define the flow
flow = tf_lf.Flow("attach_volume")
# Build the driver
vol_drv = volume.build_volume_driver(self.adapter, instance,
connection_info)
# Add the volume attach to the flow.
flow.add(tf_stg.AttachVolume(vol_drv))
# Run the flow
tf_base.run(flow, instance=instance)
# The volume connector may have updated the system metadata. Save
# the instance to persist the data. Spawn/destroy auto saves instance,
# but the attach does not. Detach does not need this save - as the
# detach flows do not (currently) modify system metadata. May need
# to revise in the future as volume connectors evolve.
instance.save()
def _setup_flow_and_run():
# Define the flow
flow = tf_lf.Flow("destroy")
# Power Off the LPAR. If its disks are about to be deleted, issue a
# hard shutdown.
flow.add(
tf_vm.PowerOff(self.adapter,
instance,
force_immediate=destroy_disks))
# TODO(thorst, efried) Add unplug vifs task
# TODO(thorst, efried) Add config drive tasks
# TODO(thorst, efried) Add volume disconnect tasks
# Detach the disk storage adapters
flow.add(tf_stg.DetachDisk(self.disk_dvr, instance))
# Delete the storage disks
if destroy_disks:
flow.add(tf_stg.DeleteDisk(self.disk_dvr))
# TODO(thorst, efried) Add LPAR id based scsi map clean up task
flow.add(tf_vm.Delete(self.adapter, instance))
# Build the engine & run!
tf_base.run(flow, instance=instance)
def detach_volume(self,
context,
connection_info,
instance,
mountpoint,
encryption=None):
"""Detach the volume attached to the instance.
:param context: security context
:param connection_info: Volume connection information from the block
device mapping
:param instance: nova.objects.instance.Instance
:param mountpoint: Unused
:param encryption: Unused
"""
self._log_operation('detach_volume', instance)
# Define the flow
flow = tf_lf.Flow("detach_volume")
# Get a volume adapter for this volume
vol_drv = volume.build_volume_driver(self.adapter, instance,
connection_info)
# Add a task to detach the volume
flow.add(tf_stg.DetachVolume(vol_drv))
# Run the flow
tf_base.run(flow, instance=instance)
def attach_volume(self, context, connection_info, instance, mountpoint,
disk_bus=None, device_type=None, encryption=None):
"""Attach the volume to the instance using the connection_info.
:param context: security context
:param connection_info: Volume connection information from the block
device mapping
:param instance: nova.objects.instance.Instance
:param mountpoint: Unused
:param disk_bus: Unused
:param device_type: Unused
:param encryption: Unused
"""
self._log_operation('attach_volume', instance)
# Define the flow
flow = tf_lf.Flow("attach_volume")
# Build the driver
vol_drv = volume.build_volume_driver(self.adapter, instance,
connection_info)
# Add the volume attach to the flow.
flow.add(tf_stg.AttachVolume(vol_drv))
# Run the flow
tf_base.run(flow, instance=instance)
# The volume connector may have updated the system metadata. Save
# the instance to persist the data. Spawn/destroy auto saves instance,
# but the attach does not. Detach does not need this save - as the
# detach flows do not (currently) modify system metadata. May need
# to revise in the future as volume connectors evolve.
instance.save()
def spawn(self, context, instance, image_meta, injected_files,
admin_password, 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 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))
# TODO(thorst, efried) Plug the VIFs
# 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))
# TODO(thorst, efried) Add the config drive
# 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)
def spawn(self, context, instance, image_meta, injected_files,
admin_password, 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 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))
# TODO(thorst, efried) Plug the VIFs
# 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))
# TODO(thorst, efried) Add the config drive
# 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)
def _setup_flow_and_run():
# Define the flow
flow = tf_lf.Flow("destroy")
# Power Off the LPAR. If its disks are about to be deleted, issue a
# hard shutdown.
flow.add(
tf_vm.PowerOff(self.adapter,
instance,
force_immediate=destroy_disks))
# The FeedTask accumulates storage disconnection tasks to be run in
# parallel.
stg_ftsk = pvm_par.build_active_vio_feed_task(
self.adapter, xag=[pvm_const.XAG.VIO_SMAP])
# Call the unplug VIFs task. While CNAs get removed from the LPAR
# directly on the destroy, this clears up the I/O Host side.
flow.add(tf_net.UnplugVifs(self.adapter, instance, network_info))
# Add the disconnect/deletion of the vOpt to the transaction
# manager.
if configdrive.required_by(instance):
flow.add(
tf_stg.DeleteVOpt(self.adapter,
instance,
stg_ftsk=stg_ftsk))
# Extract the block devices.
bdms = driver.block_device_info_get_mapping(block_device_info)
# Determine if there are volumes to detach. If so, remove each
# volume (within the transaction manager)
for bdm, vol_drv in self._vol_drv_iter(context,
instance,
bdms,
stg_ftsk=stg_ftsk):
flow.add(tf_stg.DetachVolume(vol_drv))
# Detach the disk storage adapters
flow.add(tf_stg.DetachDisk(self.disk_dvr, instance))
# Accumulated storage disconnection tasks next
flow.add(stg_ftsk)
# Delete the storage disks
if destroy_disks:
flow.add(tf_stg.DeleteDisk(self.disk_dvr))
# TODO(thorst, efried) Add LPAR id based scsi map clean up task
flow.add(tf_vm.Delete(self.adapter, instance))
# Build the engine & run!
tf_base.run(flow, instance=instance)
def snapshot(self, context, instance, image_id, update_task_state):
"""Snapshots the specified instance.
:param context: security context
:param instance: nova.objects.instance.Instance
:param image_id: Reference to a pre-created image that will hold the
snapshot.
:param update_task_state: Callback function to update the task_state
on the instance while the snapshot operation progresses. The
function takes a task_state argument and an optional
expected_task_state kwarg which defaults to
nova.compute.task_states.IMAGE_SNAPSHOT. See
nova.objects.instance.Instance.save for expected_task_state usage.
"""
if not self.disk_dvr.capabilities.get('snapshot'):
raise exc.NotSupportedWithOption(
message=_("The snapshot operation is not supported in "
"conjunction with a [powervm]/disk_driver setting "
"of %s.") % CONF.powervm.disk_driver)
self._log_operation('snapshot', instance)
# Define the flow.
flow = tf_lf.Flow("snapshot")
# Notify that we're starting the process.
flow.add(
tf_img.UpdateTaskState(update_task_state,
task_states.IMAGE_PENDING_UPLOAD))
# Connect the instance's boot disk to the management partition, and
# scan the scsi bus and bring the device into the management partition.
flow.add(tf_stg.InstanceDiskToMgmt(self.disk_dvr, instance))
# Notify that the upload is in progress.
flow.add(
tf_img.UpdateTaskState(
update_task_state,
task_states.IMAGE_UPLOADING,
expected_state=task_states.IMAGE_PENDING_UPLOAD))
# Stream the disk to glance.
flow.add(
tf_img.StreamToGlance(context, self.image_api, image_id, instance))
# Disconnect the boot disk from the management partition and delete the
# device.
flow.add(tf_stg.RemoveInstanceDiskFromMgmt(self.disk_dvr, instance))
# Run the flow.
tf_base.run(flow, instance=instance)
def snapshot(self, context, instance, image_id, update_task_state):
"""Snapshots the specified instance.
:param context: security context
:param instance: nova.objects.instance.Instance
:param image_id: Reference to a pre-created image that will hold the
snapshot.
:param update_task_state: Callback function to update the task_state
on the instance while the snapshot operation progresses. The
function takes a task_state argument and an optional
expected_task_state kwarg which defaults to
nova.compute.task_states.IMAGE_SNAPSHOT. See
nova.objects.instance.Instance.save for expected_task_state usage.
"""
if not self.disk_dvr.capabilities.get('snapshot'):
raise exc.NotSupportedWithOption(
message=_("The snapshot operation is not supported in "
"conjunction with a [powervm]/disk_driver setting "
"of %s.") % CONF.powervm.disk_driver)
self._log_operation('snapshot', instance)
# Define the flow.
flow = tf_lf.Flow("snapshot")
# Notify that we're starting the process.
flow.add(tf_img.UpdateTaskState(update_task_state,
task_states.IMAGE_PENDING_UPLOAD))
# Connect the instance's boot disk to the management partition, and
# scan the scsi bus and bring the device into the management partition.
flow.add(tf_stg.InstanceDiskToMgmt(self.disk_dvr, instance))
# Notify that the upload is in progress.
flow.add(tf_img.UpdateTaskState(
update_task_state, task_states.IMAGE_UPLOADING,
expected_state=task_states.IMAGE_PENDING_UPLOAD))
# Stream the disk to glance.
flow.add(tf_img.StreamToGlance(context, self.image_api, image_id,
instance))
# Disconnect the boot disk from the management partition and delete the
# device.
flow.add(tf_stg.RemoveInstanceDiskFromMgmt(self.disk_dvr, instance))
# Run the flow.
tf_base.run(flow, instance=instance)
def _setup_flow_and_run():
# Define the flow
flow = tf_lf.Flow("destroy")
# Power Off the LPAR. If its disks are about to be deleted, issue a
# hard shutdown.
flow.add(tf_vm.PowerOff(self.adapter, instance,
force_immediate=destroy_disks))
# The FeedTask accumulates storage disconnection tasks to be run in
# parallel.
stg_ftsk = pvm_par.build_active_vio_feed_task(
self.adapter, xag=[pvm_const.XAG.VIO_SMAP])
# Call the unplug VIFs task. While CNAs get removed from the LPAR
# directly on the destroy, this clears up the I/O Host side.
flow.add(tf_net.UnplugVifs(self.adapter, instance, network_info))
# Add the disconnect/deletion of the vOpt to the transaction
# manager.
if configdrive.required_by(instance):
flow.add(tf_stg.DeleteVOpt(
self.adapter, instance, stg_ftsk=stg_ftsk))
# Extract the block devices.
bdms = driver.block_device_info_get_mapping(block_device_info)
# Determine if there are volumes to detach. If so, remove each
# volume (within the transaction manager)
for bdm, vol_drv in self._vol_drv_iter(
context, instance, bdms, stg_ftsk=stg_ftsk):
flow.add(tf_stg.DetachVolume(vol_drv))
# Detach the disk storage adapters
flow.add(tf_stg.DetachDisk(self.disk_dvr, instance))
# Accumulated storage disconnection tasks next
flow.add(stg_ftsk)
# Delete the storage disks
if destroy_disks:
flow.add(tf_stg.DeleteDisk(self.disk_dvr))
# TODO(thorst, efried) Add LPAR id based scsi map clean up task
flow.add(tf_vm.Delete(self.adapter, instance))
# Build the engine & run!
tf_base.run(flow, instance=instance)
def snapshot(self, context, instance, image_id, update_task_state):
"""Snapshots the specified instance.
:param context: security context
:param instance: nova.objects.instance.Instance
:param image_id: Reference to a pre-created image that will hold the
snapshot.
:param update_task_state: Callback function to update the task_state
on the instance while the snapshot operation progresses. The
function takes a task_state argument and an optional
expected_task_state kwarg which defaults to
nova.compute.task_states.IMAGE_SNAPSHOT. See
nova.objects.instance.Instance.save for expected_task_state usage.
"""
# TODO(esberglu) Add check for disk driver snapshot capability when
# additional disk drivers are implemented.
self._log_operation('snapshot', instance)
# Define the flow.
flow = tf_lf.Flow("snapshot")
# Notify that we're starting the process.
flow.add(
tf_img.UpdateTaskState(update_task_state,
task_states.IMAGE_PENDING_UPLOAD))
# Connect the instance's boot disk to the management partition, and
# scan the scsi bus and bring the device into the management partition.
flow.add(tf_stg.InstanceDiskToMgmt(self.disk_dvr, instance))
# Notify that the upload is in progress.
flow.add(
tf_img.UpdateTaskState(
update_task_state,
task_states.IMAGE_UPLOADING,
expected_state=task_states.IMAGE_PENDING_UPLOAD))
# Stream the disk to glance.
flow.add(
tf_img.StreamToGlance(context, self.image_api, image_id, instance))
# Disconnect the boot disk from the management partition and delete the
# device.
flow.add(tf_stg.RemoveInstanceDiskFromMgmt(self.disk_dvr, instance))
# Run the flow.
tf_base.run(flow, instance=instance)
def _setup_flow_and_run():
# Define the flow
flow = tf_lf.Flow("destroy")
# Power Off the LPAR. If its disks are about to be deleted, issue a
# hard shutdown.
flow.add(
tf_vm.PowerOff(self.adapter,
instance,
force_immediate=destroy_disks))
# TODO(thorst, efried) Add unplug vifs task
# The FeedTask accumulates storage disconnection tasks to be run in
# parallel.
stg_ftsk = pvm_par.build_active_vio_feed_task(
self.adapter, xag=[pvm_const.XAG.VIO_SMAP])
# Add the disconnect/deletion of the vOpt to the transaction
# manager.
if configdrive.required_by(instance):
flow.add(
tf_stg.DeleteVOpt(self.adapter,
instance,
stg_ftsk=stg_ftsk))
# TODO(thorst, efried) Add volume disconnect tasks
# Detach the disk storage adapters
flow.add(tf_stg.DetachDisk(self.disk_dvr, instance))
# Accumulated storage disconnection tasks next
flow.add(stg_ftsk)
# Delete the storage disks
if destroy_disks:
flow.add(tf_stg.DeleteDisk(self.disk_dvr))
# TODO(thorst, efried) Add LPAR id based scsi map clean up task
flow.add(tf_vm.Delete(self.adapter, instance))
# Build the engine & run!
tf_base.run(flow, instance=instance)
def unplug_vifs(self, instance, network_info):
"""Unplug VIFs from networks."""
self._log_operation('unplug_vifs', instance)
# Define the flow
flow = tf_lf.Flow("unplug_vifs")
# Run the detach
flow.add(tf_net.UnplugVifs(self.adapter, instance, network_info))
# Run the flow
try:
tf_base.run(flow, instance=instance)
except exc.InstanceNotFound:
LOG.warning('VM was not found during unplug operation as it is '
'already possibly deleted.', instance=instance)
except Exception:
LOG.exception("PowerVM error trying to unplug vifs.",
instance=instance)
raise exc.InterfaceDetachFailed(instance_uuid=instance.uuid)
def unplug_vifs(self, instance, network_info):
"""Unplug VIFs from networks."""
self._log_operation('unplug_vifs', instance)
# Define the flow
flow = tf_lf.Flow("unplug_vifs")
# Run the detach
flow.add(tf_net.UnplugVifs(self.adapter, instance, network_info))
# Run the flow
try:
tf_base.run(flow, instance=instance)
except exc.InstanceNotFound:
LOG.warning('VM was not found during unplug operation as it is '
'already possibly deleted.', instance=instance)
except Exception:
LOG.exception("PowerVM error trying to unplug vifs.",
instance=instance)
raise exc.InterfaceDetachFailed(instance_uuid=instance.uuid)
def _setup_flow_and_run():
# Define the flow
flow = tf_lf.Flow("destroy")
# Power Off the LPAR. If its disks are about to be deleted, issue a
# hard shutdown.
flow.add(tf_vm.PowerOff(self.adapter, instance,
force_immediate=destroy_disks))
# TODO(thorst, efried) Add unplug vifs task
# TODO(thorst, efried) Add config drive tasks
# TODO(thorst, efried) Add volume disconnect tasks
# Detach the disk storage adapters
flow.add(tf_stg.DetachDisk(self.disk_dvr, instance))
# Delete the storage disks
if destroy_disks:
flow.add(tf_stg.DeleteDisk(self.disk_dvr))
# TODO(thorst, efried) Add LPAR id based scsi map clean up task
flow.add(tf_vm.Delete(self.adapter, instance))
# Build the engine & run!
tf_base.run(flow, instance=instance)
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))
# Extract the block devices.
bdms = driver.block_device_info_get_mapping(block_device_info)
# Determine if there are volumes to connect. If so, add a connection
# for each type.
for bdm, vol_drv in self._vol_drv_iter(context, instance, bdms,
stg_ftsk=stg_ftsk):
# Connect the volume. This will update the connection_info.
flow_spawn.add(tf_stg.AttachVolume(vol_drv))
# 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)
def spawn(self,
context,
instance,
image_meta,
injected_files,
admin_password,
allocations,
network_info=None,
block_device_info=None,
power_on=True,
accel_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.
:param power_on: True if the instance should be powered on, False
otherwise
"""
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))
# Extract the block devices.
bdms = driver.block_device_info_get_mapping(block_device_info)
# Determine if there are volumes to connect. If so, add a connection
# for each type.
for bdm, vol_drv in self._vol_drv_iter(context,
instance,
bdms,
stg_ftsk=stg_ftsk):
# Connect the volume. This will update the connection_info.
flow_spawn.add(tf_stg.AttachVolume(vol_drv))
# 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)
