1bf654b37SAndrey Shinkevich#!/usr/bin/env python3 2bf654b37SAndrey Shinkevich# 3bf654b37SAndrey Shinkevich# Test for dumping of qcow2 image metadata 4bf654b37SAndrey Shinkevich# 5bf654b37SAndrey Shinkevich# Copyright (c) 2020 Virtuozzo International GmbH 6bf654b37SAndrey Shinkevich# 7bf654b37SAndrey Shinkevich# This program is free software; you can redistribute it and/or modify 8bf654b37SAndrey Shinkevich# it under the terms of the GNU General Public License as published by 9bf654b37SAndrey Shinkevich# the Free Software Foundation; either version 2 of the License, or 10bf654b37SAndrey Shinkevich# (at your option) any later version. 11bf654b37SAndrey Shinkevich# 12bf654b37SAndrey Shinkevich# This program is distributed in the hope that it will be useful, 13bf654b37SAndrey Shinkevich# but WITHOUT ANY WARRANTY; without even the implied warranty of 14bf654b37SAndrey Shinkevich# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15bf654b37SAndrey Shinkevich# GNU General Public License for more details. 16bf654b37SAndrey Shinkevich# 17bf654b37SAndrey Shinkevich# You should have received a copy of the GNU General Public License 18bf654b37SAndrey Shinkevich# along with this program. If not, see <http://www.gnu.org/licenses/>. 19bf654b37SAndrey Shinkevich# 20bf654b37SAndrey Shinkevich 21bf654b37SAndrey Shinkevichimport iotests 22bf654b37SAndrey Shinkevichimport subprocess 23bf654b37SAndrey Shinkevichfrom iotests import qemu_img_create, qemu_io, file_path, log, filter_qemu_io 24bf654b37SAndrey Shinkevich 25bf654b37SAndrey Shinkevichiotests.script_initialize(supported_fmts=['qcow2']) 26bf654b37SAndrey Shinkevich 27bf654b37SAndrey Shinkevichdisk = file_path('disk') 28bf654b37SAndrey Shinkevichchunk = 1024 * 1024 29bf654b37SAndrey Shinkevich 30bf654b37SAndrey Shinkevich 31bf654b37SAndrey Shinkevichdef create_bitmap(bitmap_number, disabled): 32bf654b37SAndrey Shinkevich granularity = 1 << (14 + bitmap_number) 33bf654b37SAndrey Shinkevich bitmap_name = 'bitmap-' + str(bitmap_number) 34bf654b37SAndrey Shinkevich args = ['bitmap', '--add', '-g', f'{granularity}', '-f', iotests.imgfmt, 35bf654b37SAndrey Shinkevich disk, bitmap_name] 36bf654b37SAndrey Shinkevich if disabled: 37bf654b37SAndrey Shinkevich args.append('--disable') 38bf654b37SAndrey Shinkevich 39bf654b37SAndrey Shinkevich iotests.qemu_img_pipe(*args) 40bf654b37SAndrey Shinkevich 41bf654b37SAndrey Shinkevich 42bf654b37SAndrey Shinkevichdef write_to_disk(offset, size): 43bf654b37SAndrey Shinkevich write = f'write {offset} {size}' 44bf654b37SAndrey Shinkevich log(qemu_io('-c', write, disk), filters=[filter_qemu_io]) 45bf654b37SAndrey Shinkevich 46bf654b37SAndrey Shinkevich 47bf654b37SAndrey Shinkevichdef add_bitmap(num, begin, end, disabled): 48bf654b37SAndrey Shinkevich log(f'Add bitmap {num}') 49bf654b37SAndrey Shinkevich create_bitmap(num, disabled) 50bf654b37SAndrey Shinkevich for i in range(begin, end): 51bf654b37SAndrey Shinkevich write_to_disk((i) * chunk, chunk) 52bf654b37SAndrey Shinkevich log('') 53bf654b37SAndrey Shinkevich 54bf654b37SAndrey Shinkevich 55bf654b37SAndrey Shinkevichqemu_img_create('-f', iotests.imgfmt, disk, '10M') 56bf654b37SAndrey Shinkevich 57bf654b37SAndrey Shinkevichadd_bitmap(1, 0, 6, False) 58bf654b37SAndrey Shinkevichadd_bitmap(2, 6, 8, True) 59*fb07b5c7SVladimir Sementsov-Ogievskiydump = ['./qcow2.py', disk, 'dump-header'] 60bf654b37SAndrey Shinkevichsubprocess.run(dump) 6176bbbb2dSAndrey Shinkevich# Dump the metadata in JSON format 6276bbbb2dSAndrey Shinkevichdump.append('-j') 6376bbbb2dSAndrey Shinkevichsubprocess.run(dump) 64