def create_root_disk(self, context, instance):
base_vhd_path = imagecache.get_cached_image(context, instance)
base_info = vhdutils.disk_info(base_vhd_path)
root_vhd_path = pathutils.root_disk_path(
instance, disk_format=base_info[constants.VHD_IMAGE_TYPE])
if CONF.use_cow_images:
LOG.debug(
"Creating differencing VHD. Parent: %(parent)s, "
"Target: %(target)s", {
'parent': base_vhd_path,
'target': root_vhd_path
},
instance=instance)
self._vbox_manage.create_hd(
filename=root_vhd_path,
# disk_format=base_info[constants.VHD_IMAGE_TYPE],
variant=constants.VARIANT_STANDARD,
parent=base_vhd_path)
else:
LOG.debug(
"Cloning VHD image %(base)s to target: %(target)s", {
'base': base_vhd_path,
'target': root_vhd_path
},
instance=instance)
self._vbox_manage.clone_hd(
vhd_path=base_vhd_path,
new_vdh_path=root_vhd_path,
disk_format=base_info[constants.VHD_IMAGE_TYPE],
variant=constants.VARIANT_STANDARD)
# Resize image if is necesary
disk_format = vhdutils.get_image_type(root_vhd_path)
if instance.root_gb and disk_format in (constants.DISK_FORMAT_VDI,
constants.DISK_FORMAT_VHD):
base_vhd_size = base_info[constants.VHD_CAPACITY] / units.Mi
root_vhd_size = instance.root_gb * units.Ki
if vhdutils.is_resize_required(
disk_path=root_vhd_path,
old_size=base_vhd_size,
new_size=root_vhd_size,
instance=instance):
self._vbox_manage.modify_hd(
root_vhd_path, constants.FIELD_HD_RESIZE_MB, root_vhd_size)
return root_vhd_path
def create_root_disk(self, context, instance):
base_vhd_path = imagecache.get_cached_image(context, instance)
base_info = vhdutils.disk_info(base_vhd_path)
root_vhd_path = pathutils.root_disk_path(
instance, disk_format=base_info[constants.VHD_IMAGE_TYPE])
if CONF.use_cow_images:
LOG.debug(
"Creating differencing VHD. Parent: %(parent)s, "
"Target: %(target)s", {
'parent': base_vhd_path,
'target': root_vhd_path
},
instance=instance)
self._vbox_manage.create_hd(
filename=root_vhd_path,
# disk_format=base_info[constants.VHD_IMAGE_TYPE],
variant=constants.VARIANT_STANDARD,
parent=base_vhd_path)
else:
LOG.debug("Cloning VHD image %(base)s to target: %(target)s", {
'base': base_vhd_path,
'target': root_vhd_path
},
instance=instance)
self._vbox_manage.clone_hd(
vhd_path=base_vhd_path,
new_vdh_path=root_vhd_path,
disk_format=base_info[constants.VHD_IMAGE_TYPE],
variant=constants.VARIANT_STANDARD)
# Resize image if is necesary
disk_format = vhdutils.get_image_type(root_vhd_path)
if instance.root_gb and disk_format in (constants.DISK_FORMAT_VDI,
constants.DISK_FORMAT_VHD):
base_vhd_size = base_info[constants.VHD_CAPACITY] / units.Mi
root_vhd_size = instance.root_gb * units.Ki
if vhdutils.is_resize_required(disk_path=root_vhd_path,
old_size=base_vhd_size,
new_size=root_vhd_size,
instance=instance):
self._vbox_manage.modify_hd(root_vhd_path,
constants.FIELD_HD_RESIZE_MB,
root_vhd_size)
return root_vhd_path
def test_root_disk_path(self, mock_instance_basepath, mock_join):
pathutils.root_disk_path(self._instance, 'fake-disk-format')
mock_instance_basepath.assert_called_once_with(self._instance)
self.assertEqual(1, mock_join.call_count)
def test_root_disk_path(self, mock_instance_basepath, mock_join):
pathutils.root_disk_path(self._instance, "fake-disk-format")
mock_instance_basepath.assert_called_once_with(self._instance)
self.assertEqual(1, mock_join.call_count)