diff options
Diffstat (limited to 'tests/functional/qemu_test/utils.py')
-rw-r--r-- | tests/functional/qemu_test/utils.py | 65 |
1 files changed, 24 insertions, 41 deletions
diff --git a/tests/functional/qemu_test/utils.py b/tests/functional/qemu_test/utils.py index 2a1cb60..e7c8de8 100644 --- a/tests/functional/qemu_test/utils.py +++ b/tests/functional/qemu_test/utils.py @@ -8,49 +8,32 @@ # This work is licensed under the terms of the GNU GPL, version 2 or # later. See the COPYING file in the top-level directory. -import gzip -import lzma import os -import shutil -import subprocess -import tarfile -def archive_extract(archive, dest_dir, member=None): - with tarfile.open(archive) as tf: - if hasattr(tarfile, 'data_filter'): - tf.extraction_filter = getattr(tarfile, 'data_filter', - (lambda member, path: member)) - if member: - tf.extract(member=member, path=dest_dir) - else: - tf.extractall(path=dest_dir) +from qemu.utils import get_info_usernet_hostfwd_port -def gzip_uncompress(gz_path, output_path): - if os.path.exists(output_path): - return - with gzip.open(gz_path, 'rb') as gz_in: - try: - with open(output_path, 'wb') as raw_out: - shutil.copyfileobj(gz_in, raw_out) - except: - os.remove(output_path) - raise -def lzma_uncompress(xz_path, output_path): - if os.path.exists(output_path): - return - with lzma.open(xz_path, 'rb') as lzma_in: - try: - with open(output_path, 'wb') as raw_out: - shutil.copyfileobj(lzma_in, raw_out) - except: - os.remove(output_path) - raise +def get_usernet_hostfwd_port(vm): + res = vm.cmd('human-monitor-command', command_line='info usernet') + return get_info_usernet_hostfwd_port(res) -def cpio_extract(cpio_handle, output_path): - cwd = os.getcwd() - os.chdir(output_path) - subprocess.run(['cpio', '-i'], - input=cpio_handle.read(), - stderr=subprocess.DEVNULL) - os.chdir(cwd) +""" +Round up to next power of 2 +""" +def pow2ceil(x): + return 1 if x == 0 else 2**(x - 1).bit_length() + +def file_truncate(path, size): + if size != os.path.getsize(path): + with open(path, 'ab+') as fd: + fd.truncate(size) + +""" +Expand file size to next power of 2 +""" +def image_pow2ceil_expand(path): + size = os.path.getsize(path) + size_aligned = pow2ceil(size) + if size != size_aligned: + with open(path, 'ab+') as fd: + fd.truncate(size_aligned) |