xref: /qemu/tests/qemu-iotests/109 (revision bfa3ab61) 
1#!/bin/bash
2#
3# Test writing image headers of other formats into raw images
4#
5# Copyright (C) 2014 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"
28tmp=/tmp/$$
29status=1	# failure is the default!
30
31_cleanup()
32{
33    rm -f $TEST_IMG.src
34	_cleanup_test_img
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and checks
39. ./common.rc
40. ./common.filter
41. ./common.qemu
42
43_supported_fmt raw
44_supported_proto file
45_supported_os Linux
46
47qemu_comm_method=qmp
48
49function run_qemu()
50{
51    local raw_img="$1"
52    local source_img="$2"
53    local qmp_format="$3"
54    local qmp_event="$4"
55
56    _launch_qemu -drive file="${source_img}",format=raw,cache=${CACHEMODE},id=src
57    _send_qemu_cmd $QEMU_HANDLE "{ 'execute': 'qmp_capabilities' }" "return"
58
59    _send_qemu_cmd $QEMU_HANDLE \
60        "{'execute':'drive-mirror', 'arguments':{
61            'device': 'src', 'target': '$raw_img', $qmp_format
62            'mode': 'existing', 'sync': 'full'}}" \
63        "return"
64
65    _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
66    _send_qemu_cmd $QEMU_HANDLE '{"execute":"query-block-jobs"}' "return"
67    _cleanup_qemu
68}
69
70for fmt in qcow qcow2 qed vdi vmdk vpc; do
71
72    echo
73    echo "=== Writing a $fmt header into raw ==="
74    echo
75
76    _make_test_img 64M
77    TEST_IMG="$TEST_IMG.src" IMGFMT=$fmt _make_test_img 64M
78
79    # This first test should fail: The image format was probed, we may not
80    # write an image header at the start of the image
81    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR"
82    $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
83
84
85    # When raw was explicitly specified, the same must succeed
86    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
87    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
88
89done
90
91
92for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
93                  simple-pattern.cloop; do
94
95    echo
96    echo "=== Copying sample image $sample_img into raw ==="
97    echo
98
99    # Can't use _use_sample_img because that isn't designed to be used multiple
100    # times and it overwrites $TEST_IMG (both breaks cleanup)
101    _make_test_img 64M
102    bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
103
104    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR"
105    $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
106
107    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
108    # qemu-img compare can't handle unaligned file sizes
109    $QEMU_IMG resize -f raw "$TEST_IMG.src" +0
110    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
111done
112
113echo
114echo "=== Write legitimate MBR into raw ==="
115echo
116
117for sample_img in grub_mbr.raw; do
118    _make_test_img 64M
119    bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
120
121    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_READY"
122    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
123
124    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
125    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
126done
127
128
129# success, all done
130echo '*** done'
131rm -f $seq.full
132status=0
133