def gen_fs_hash(self):
'''Get the filesystem hash if the image class was created with a
tar_file'''
if self.__tar_file:
fs_dir = rootfs.get_untar_dir(self.__tar_file)
tar_file = rootfs.get_layer_tar_path(self.__tar_file)
# remove the fs directory if it already exists
if os.path.isdir(fs_dir):
rootfs.root_command(rootfs.remove, fs_dir)
rootfs.extract_layer_tar(tar_file, fs_dir)
self.__fs_hash = rootfs.calc_fs_hash(fs_dir)
def clean_image_tars(image_obj):
'''Clean up untar directories'''
for layer in image_obj.layers:
fspath = rootfs.get_untar_dir(layer.tar_file)
if os.path.exists(fspath):
rootfs.root_command(rootfs.remove, fspath)
