def _fetch_image(context, instance, image_path):
disk_path = None
try:
images.fetch(context, instance.image_ref, image_path,
instance.user_id, instance.project_id)
# Avoid conflicts
vhdutils.check_disk_uuid(image_path)
disk_info = vhdutils.disk_info(image_path)
disk_format = disk_info[constants.VHD_IMAGE_TYPE]
disk_path = image_path + "." + disk_format.lower()
manage.VBoxManage.clone_hd(image_path, disk_path,
disk_format=disk_format)
manage.VBoxManage.close_medium(constants.MEDIUM_DISK, image_path,
delete=True)
except (vbox_exc.VBoxException, exception.NovaException):
with excutils.save_and_reraise_exception():
for path in (image_path, disk_path):
if path and os.path.exists(path):
manage.VBoxManage.close_medium(constants.MEDIUM_DISK,
path)
pathutils.delete_path(path)
return disk_path
def _fetch_image(context, instance, image_path):
disk_path = None
try:
images.fetch(context, instance.image_ref, image_path, instance.user_id,
instance.project_id)
# Avoid conflicts
vhdutils.check_disk_uuid(image_path)
disk_info = vhdutils.disk_info(image_path)
disk_format = disk_info[constants.VHD_IMAGE_TYPE]
disk_path = image_path + "." + disk_format.lower()
manage.VBoxManage.clone_hd(image_path,
disk_path,
disk_format=disk_format)
manage.VBoxManage.close_medium(constants.MEDIUM_DISK,
image_path,
delete=True)
except (vbox_exc.VBoxException, exception.NovaException):
with excutils.save_and_reraise_exception():
for path in (image_path, disk_path):
if path and os.path.exists(path):
manage.VBoxManage.close_medium(constants.MEDIUM_DISK, path)
pathutils.delete_path(path)
return disk_path
def _check_disk(self, disk_file, base_disk):
try:
vhdutils.check_disk_uuid(disk_file)
disk_info = vhdutils.disk_info(disk_file)
parent_uuid = disk_info[constants.VHD_PARENT_UUID]
if not parent_uuid:
return
except vbox_exc.VBoxException:
parent_uuid = None
registered_hdds = vhdutils.get_hard_disks()
if parent_uuid not in registered_hdds:
parent_info = vhdutils.disk_info(base_disk)
self._vbox_manage.set_disk_parent_uuid(
disk_file, parent_info[constants.VHD_UUID])
def _check_disk(self, disk_file, base_disk):
try:
vhdutils.check_disk_uuid(disk_file)
disk_info = vhdutils.disk_info(disk_file)
parent_uuid = disk_info[constants.VHD_PARENT_UUID]
if not parent_uuid:
return
except vbox_exc.VBoxException:
parent_uuid = None
registered_hdds = vhdutils.get_hard_disks()
if parent_uuid not in registered_hdds:
parent_info = vhdutils.disk_info(base_disk)
self._vbox_manage.set_disk_parent_uuid(
disk_file, parent_info[constants.VHD_UUID])
