xref: /qemu/tests/qemu-iotests/109 (revision 603476c2) 
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"
28status=1	# failure is the default!
29
30_cleanup()
31{
32    rm -f $TEST_IMG.src
33	_cleanup_test_img
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40. ./common.qemu
41
42_supported_fmt raw
43_supported_proto file
44_supported_os Linux
45
46qemu_comm_method=qmp
47
48function run_qemu()
49{
50    local raw_img="$1"
51    local source_img="$2"
52    local qmp_format="$3"
53    local qmp_event="$4"
54
55    _launch_qemu -drive file="${source_img}",format=raw,cache=${CACHEMODE},id=src
56    _send_qemu_cmd $QEMU_HANDLE "{ 'execute': 'qmp_capabilities' }" "return"
57
58    _send_qemu_cmd $QEMU_HANDLE \
59        "{'execute':'drive-mirror', 'arguments':{
60            'device': 'src', 'target': '$raw_img', $qmp_format
61            'mode': 'existing', 'sync': 'full'}}" \
62        "return"
63
64    _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
65    _send_qemu_cmd $QEMU_HANDLE '{"execute":"query-block-jobs"}' "return"
66    _cleanup_qemu
67}
68
69for fmt in qcow qcow2 qed vdi vmdk vpc; do
70
71    echo
72    echo "=== Writing a $fmt header into raw ==="
73    echo
74
75    _make_test_img 64M
76    TEST_IMG="$TEST_IMG.src" IMGFMT=$fmt _make_test_img 64M
77
78    # This first test should fail: The image format was probed, we may not
79    # write an image header at the start of the image
80    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR"
81    $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
82
83
84    # When raw was explicitly specified, the same must succeed
85    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
86    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
87
88done
89
90
91for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
92                  simple-pattern.cloop; do
93
94    echo
95    echo "=== Copying sample image $sample_img into raw ==="
96    echo
97
98    # Can't use _use_sample_img because that isn't designed to be used multiple
99    # times and it overwrites $TEST_IMG (both breaks cleanup)
100    _make_test_img 64M
101    bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
102
103    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" | _filter_block_job_offset
104    $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
105
106    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
107    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
108done
109
110echo
111echo "=== Write legitimate MBR into raw ==="
112echo
113
114for sample_img in grub_mbr.raw; do
115    _make_test_img 64M
116    bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
117
118    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_READY"
119    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
120
121    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
122    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
123done
124
125
126# success, all done
127echo '*** done'
128rm -f $seq.full
129status=0
130