def destroy(self,
instance,
context=None,
network_info=None,
block_device_info=None,
destroy_disks=True,
migrate_data=None):
"""Destroy the specified instance from the Hypervisor."""
LOG.info(i18n._("Got request to destroy instance"), instance=instance)
if not self.instance_exists(instance):
LOG.warning(i18n._("Instance do not exists."), instance=instance)
return
power_state = vmutils.get_power_state(instance)
if power_state not in (constants.STATE_POWER_OFF,
constants.STATE_SAVED):
self._vbox_manage.control_vm(instance, constants.STATE_POWER_OFF)
try:
self._vbox_manage.unregister_vm(instance, delete=destroy_disks)
if destroy_disks:
pathutils.instance_basepath(instance,
action=constants.PATH_DELETE)
except vbox_exc.VBoxException:
with excutils.save_and_reraise_exception():
LOG.exception(i18n._('Failed to destroy instance: %s'),
instance.name)
def destroy(self,
instance,
context=None,
network_info=None,
block_device_info=None,
destroy_disks=True,
migrate_data=None):
"""Destroy the specified instance from the Hypervisor."""
LOG.info(i18n._("Got request to destroy instance"), instance=instance)
if not self.instance_exists(instance):
LOG.warning(i18n._("Instance do not exists."), instance=instance)
return
power_state = vmutils.get_power_state(instance)
if power_state not in (constants.STATE_POWER_OFF,
constants.STATE_SAVED):
self._vbox_manage.control_vm(instance, constants.STATE_POWER_OFF)
try:
self._vbox_manage.unregister_vm(instance, delete=destroy_disks)
if destroy_disks:
pathutils.instance_basepath(
instance, action=constants.PATH_DELETE)
except vbox_exc.VBoxException:
with excutils.save_and_reraise_exception():
LOG.exception(
i18n._('Failed to destroy instance: %s'), instance.name)
def create_instance(self, instance, image_meta, network_info,
overwrite=True):
image_properties = image_meta.get("properties", {})
action = constants.PATH_DELETE if overwrite else None
basepath = pathutils.instance_basepath(instance, action=action)
self._vbox_manage.create_vm(
instance.name, basefolder=os.path.dirname(basepath),
register=True)
vmutils.set_os_type(instance, image_properties.get('os_type', None))
vmutils.set_memory(instance)
vmutils.set_cpus(instance)
self._network_setup(instance, network_info)
def _migrate_disk_files(self, instance, disk_files, destination):
local_ips = hostutils.get_local_ips()
local_ips.append(hostutils.get_ip())
same_host = destination in local_ips
LOG.debug("Destination `%(dest)s` %(local_ips)s", {
"dest": destination,
"local_ips": local_ips
})
instance_basepath = pathutils.instance_basepath(instance)
revert_path = pathutils.revert_dir(instance,
action=constants.PATH_OVERWRITE)
if same_host:
destination_path = ("%(path)s%(suffix)s" % {
"path": instance_basepath,
"suffix": self._SUFFIX
})
else:
LOG.warning(i18n._LW("Only resize on the same host is supported!"))
raise NotImplementedError()
# Delete the destination path if already exists
pathutils.delete_path(destination_path)
# Create the destination path
pathutils.create_path(destination_path)
try:
self._migrate_disk(disk_files[0], destination_path, root_disk=True)
for disk_file in disk_files[1:]:
self._migrate_disk(disk_file, destination_path)
# Remove the instance from the Hypervisor
self._vbox_ops.destroy(instance, destroy_disks=False)
# Move files to revert path
os.rename(instance_basepath, revert_path)
if same_host:
os.rename(destination_path, instance_basepath)
except (OSError, vbox_exc.VBoxException):
with excutils.save_and_reraise_exception():
try:
self._cleanup_failed_disk_migration(
instance_basepath, revert_path, destination_path)
except vbox_exc.VBoxException as exc:
# Log and ignore this exception
LOG.exception(exc)
def create_instance(self,
instance,
image_meta,
network_info,
overwrite=True):
image_properties = image_meta.get("properties", {})
action = constants.PATH_DELETE if overwrite else None
basepath = pathutils.instance_basepath(instance, action=action)
self._vbox_manage.create_vm(instance.name,
basefolder=os.path.dirname(basepath),
register=True)
vmutils.set_os_type(instance, image_properties.get('os_type', None))
vmutils.set_memory(instance)
vmutils.set_cpus(instance)
self._network_setup(instance, network_info)
def _migrate_disk_files(self, instance, disk_files, destination):
local_ips = hostutils.get_local_ips()
local_ips.append(hostutils.get_ip())
same_host = destination in local_ips
LOG.debug("Destination `%(dest)s` %(local_ips)s",
{"dest": destination, "local_ips": local_ips})
instance_basepath = pathutils.instance_basepath(instance)
revert_path = pathutils.revert_dir(
instance, action=constants.PATH_OVERWRITE)
if same_host:
destination_path = (
"%(path)s%(suffix)s" %
{"path": instance_basepath, "suffix": self._SUFFIX})
else:
LOG.warning(
i18n._LW("Only resize on the same host is supported!"))
raise NotImplementedError()
# Delete the destination path if already exists
pathutils.delete_path(destination_path)
# Create the destination path
pathutils.create_path(destination_path)
try:
self._migrate_disk(disk_files[0], destination_path, root_disk=True)
for disk_file in disk_files[1:]:
self._migrate_disk(disk_file, destination_path)
# Remove the instance from the Hypervisor
self._vbox_ops.destroy(instance, destroy_disks=False)
# Move files to revert path
os.rename(instance_basepath, revert_path)
if same_host:
os.rename(destination_path, instance_basepath)
except (OSError, vbox_exc.VBoxException):
with excutils.save_and_reraise_exception():
try:
self._cleanup_failed_disk_migration(
instance_basepath, revert_path, destination_path)
except vbox_exc.VBoxException as exc:
# Log and ignore this exception
LOG.exception(exc)
def test_instance_basepath(self, mock_instance_dir, mock_join):
pathutils.instance_basepath(self._instance)
mock_join.assert_called_once_with(mock_instance_dir(),
self._instance.name)
def _revert_migration_files(self, instance):
instance_basepath = pathutils.instance_basepath(instance)
revert_path = pathutils.revert_dir(instance)
os.rename(revert_path, instance_basepath)
def test_instance_basepath(self, mock_instance_dir, mock_join):
pathutils.instance_basepath(self._instance)
mock_join.assert_called_once_with(mock_instance_dir(), self._instance.name)
def _revert_migration_files(self, instance):
instance_basepath = pathutils.instance_basepath(instance)
revert_path = pathutils.revert_dir(instance)
os.rename(revert_path, instance_basepath)
