1bf654b37SAndrey Shinkevich#!/usr/bin/env python3 29dd003a9SVladimir Sementsov-Ogievskiy# group: rw quick 3bf654b37SAndrey Shinkevich# 4bf654b37SAndrey Shinkevich# Test for dumping of qcow2 image metadata 5bf654b37SAndrey Shinkevich# 6bf654b37SAndrey Shinkevich# Copyright (c) 2020 Virtuozzo International GmbH 7bf654b37SAndrey Shinkevich# 8bf654b37SAndrey Shinkevich# This program is free software; you can redistribute it and/or modify 9bf654b37SAndrey Shinkevich# it under the terms of the GNU General Public License as published by 10bf654b37SAndrey Shinkevich# the Free Software Foundation; either version 2 of the License, or 11bf654b37SAndrey Shinkevich# (at your option) any later version. 12bf654b37SAndrey Shinkevich# 13bf654b37SAndrey Shinkevich# This program is distributed in the hope that it will be useful, 14bf654b37SAndrey Shinkevich# but WITHOUT ANY WARRANTY; without even the implied warranty of 15bf654b37SAndrey Shinkevich# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16bf654b37SAndrey Shinkevich# GNU General Public License for more details. 17bf654b37SAndrey Shinkevich# 18bf654b37SAndrey Shinkevich# You should have received a copy of the GNU General Public License 19bf654b37SAndrey Shinkevich# along with this program. If not, see <http://www.gnu.org/licenses/>. 20bf654b37SAndrey Shinkevich# 21bf654b37SAndrey Shinkevich 22bf654b37SAndrey Shinkevichimport iotests 23bf654b37SAndrey Shinkevichimport subprocess 24bf654b37SAndrey Shinkevichfrom iotests import qemu_img_create, qemu_io, file_path, log, filter_qemu_io 25bf654b37SAndrey Shinkevich 26*b30b8077SVladimir Sementsov-Ogievskiyiotests.script_initialize(supported_fmts=['qcow2'], 27*b30b8077SVladimir Sementsov-Ogievskiy unsupported_imgopts=['refcount_bits', 'compat']) 28bf654b37SAndrey Shinkevich 29bf654b37SAndrey Shinkevichdisk = file_path('disk') 30bf654b37SAndrey Shinkevichchunk = 1024 * 1024 31bf654b37SAndrey Shinkevich 32bf654b37SAndrey Shinkevich 33bf654b37SAndrey Shinkevichdef create_bitmap(bitmap_number, disabled): 34bf654b37SAndrey Shinkevich granularity = 1 << (14 + bitmap_number) 35bf654b37SAndrey Shinkevich bitmap_name = 'bitmap-' + str(bitmap_number) 36bf654b37SAndrey Shinkevich args = ['bitmap', '--add', '-g', f'{granularity}', '-f', iotests.imgfmt, 37bf654b37SAndrey Shinkevich disk, bitmap_name] 38bf654b37SAndrey Shinkevich if disabled: 39bf654b37SAndrey Shinkevich args.append('--disable') 40bf654b37SAndrey Shinkevich 41bf654b37SAndrey Shinkevich iotests.qemu_img_pipe(*args) 42bf654b37SAndrey Shinkevich 43bf654b37SAndrey Shinkevich 44bf654b37SAndrey Shinkevichdef write_to_disk(offset, size): 45bf654b37SAndrey Shinkevich write = f'write {offset} {size}' 46bf654b37SAndrey Shinkevich log(qemu_io('-c', write, disk), filters=[filter_qemu_io]) 47bf654b37SAndrey Shinkevich 48bf654b37SAndrey Shinkevich 49bf654b37SAndrey Shinkevichdef add_bitmap(num, begin, end, disabled): 50bf654b37SAndrey Shinkevich log(f'Add bitmap {num}') 51bf654b37SAndrey Shinkevich create_bitmap(num, disabled) 52bf654b37SAndrey Shinkevich for i in range(begin, end): 53bf654b37SAndrey Shinkevich write_to_disk((i) * chunk, chunk) 54bf654b37SAndrey Shinkevich log('') 55bf654b37SAndrey Shinkevich 56bf654b37SAndrey Shinkevich 57bf654b37SAndrey Shinkevichqemu_img_create('-f', iotests.imgfmt, disk, '10M') 58bf654b37SAndrey Shinkevich 59bf654b37SAndrey Shinkevichadd_bitmap(1, 0, 6, False) 60bf654b37SAndrey Shinkevichadd_bitmap(2, 6, 8, True) 61fb07b5c7SVladimir Sementsov-Ogievskiydump = ['./qcow2.py', disk, 'dump-header'] 62bf654b37SAndrey Shinkevichsubprocess.run(dump) 6376bbbb2dSAndrey Shinkevich# Dump the metadata in JSON format 6476bbbb2dSAndrey Shinkevichdump.append('-j') 6576bbbb2dSAndrey Shinkevichsubprocess.run(dump) 66