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11a82d14 | 1 | #!/usr/bin/env bash |
c5f6e493 KW |
2 | # |
3 | # Test invalid backing file format in qcow2 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 | |
22 | owner=kwolf@redhat.com | |
23 | ||
24 | seq="$(basename $0)" | |
25 | echo "QA output created by $seq" | |
26 | ||
c5f6e493 KW |
27 | status=1 # failure is the default! |
28 | ||
29 | _cleanup() | |
30 | { | |
31 | _cleanup_test_img | |
32 | } | |
33 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
34 | ||
35 | # get standard environment, filters and checks | |
36 | . ./common.rc | |
37 | . ./common.filter | |
38 | ||
39 | _supported_fmt qcow2 | |
40 | _supported_proto generic | |
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41 | # At least OpenBSD doesn't seem to have truncate |
42 | _supported_os Linux | |
3be2024a HR |
43 | # qcow2.py does not work too well with external data files |
44 | _unsupported_imgopts data_file | |
c5f6e493 | 45 | |
d9f059aa EB |
46 | # Intentionally specify backing file without backing format; demonstrate |
47 | # the difference in warning messages when backing file could be probed. | |
48 | # Note that only a non-raw probe result will affect the resulting image. | |
49 | truncate -s $((64 * 1024 * 1024)) "$TEST_IMG.orig" | |
50 | _make_test_img -b "$TEST_IMG.orig" 64M | |
c5f6e493 KW |
51 | |
52 | TEST_IMG="$TEST_IMG.base" _make_test_img 64M | |
d9f059aa | 53 | $QEMU_IMG convert -O qcow2 -B "$TEST_IMG.orig" "$TEST_IMG.orig" "$TEST_IMG" |
c5f6e493 | 54 | _make_test_img -b "$TEST_IMG.base" 64M |
d9f059aa | 55 | _make_test_img -u -b "$TEST_IMG.base" 64M |
c5f6e493 KW |
56 | |
57 | # Set an invalid backing file format | |
58 | $PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo" | |
59 | _img_info | |
60 | ||
61 | # Try opening the image. Should fail (and not probe) in the first case, but | |
62 | # overriding the backing file format should be possible. | |
63 | $QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir | |
64 | $QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io | |
65 | ||
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66 | # Rebase the image, to show that omitting backing format triggers a warning, |
67 | # but probing now lets us use the backing file. | |
68 | $QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG" | |
69 | $QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir | |
70 | ||
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71 | # success, all done |
72 | echo '*** done' | |
73 | rm -f $seq.full | |
74 | status=0 |