xref: /qemu/tests/qemu-iotests/031 (revision ac06724a) 
1#!/bin/bash
2#
3# Test that all qcow2 header extensions survive a header rewrite
4#
5# Copyright (C) 2011 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=kwolf@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27here=`pwd`
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39. ./common.pattern
40
41# This tests qcow2-specific low-level functionality
42_supported_fmt qcow2
43_supported_proto file
44_supported_os Linux
45
46CLUSTER_SIZE=65536
47
48# qcow2.py output depends on the exact options used, so override the command
49# line here as an exception
50for IMGOPTS in "compat=0.10" "compat=1.1"; do
51
52    echo
53    echo ===== Testing with -o $IMGOPTS =====
54    echo
55    echo === Create image with unknown header extension ===
56    echo
57    _make_test_img 64M
58    $PYTHON qcow2.py "$TEST_IMG" add-header-ext 0x12345678 "This is a test header extension"
59    $PYTHON qcow2.py "$TEST_IMG" dump-header
60    _check_test_img
61
62    echo
63    echo === Rewrite header with no backing file ===
64    echo
65    $QEMU_IMG rebase -u -b "" "$TEST_IMG"
66    $PYTHON qcow2.py "$TEST_IMG" dump-header
67    _check_test_img
68
69    echo
70    echo === Add a backing file and format ===
71    echo
72    $QEMU_IMG rebase -u -b "/some/backing/file/path" -F host_device "$TEST_IMG"
73    $PYTHON qcow2.py "$TEST_IMG" dump-header
74done
75
76# success, all done
77echo "*** done"
78rm -f $seq.full
79status=0
80