xref: /openbmc/qemu/tests/qemu-iotests/098 (revision 973d306d)
1 #!/usr/bin/env bash
2 #
3 # Test qcow2's bdrv_make_empty for images without internal snapshots
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=mreitz@redhat.com
23 
24 seq="$(basename $0)"
25 echo "QA output created by $seq"
26 
27 status=1	# failure is the default!
28 
29 _cleanup()
30 {
31     _cleanup_test_img
32     rm -f "$TEST_DIR/blkdebug.conf"
33 }
34 trap "_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 _supported_fmt qcow2
42 _supported_proto file
43 # The code path we want to test here only works for compat=1.1 images;
44 # blkdebug can only inject errors on bs->file, so external data files
45 # do not work with this test
46 _unsupported_imgopts 'compat=0.10' data_file
47 
48 for event in l1_update empty_image_prepare reftable_update refblock_alloc; do
49 
50 echo
51 echo "=== $event ==="
52 echo
53 
54 TEST_IMG="$TEST_IMG.base" _make_test_img 64M
55 _make_test_img -b "$TEST_IMG.base" 64M
56 
57 # Some data that can be leaked when emptying the top image
58 $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
59 
60 cat > "$TEST_DIR/blkdebug.conf" <<EOF
61 [inject-error]
62 event = "$event"
63 EOF
64 
65 $QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \
66     | _filter_testdir | _filter_imgfmt
67 
68 # There may be errors, but they should be fixed by opening the image
69 $QEMU_IO -c close "$TEST_IMG"
70 
71 _check_test_img
72 
73 done
74 
75 
76 rm -f "$TEST_DIR/blkdebug.conf"
77 
78 # success, all done
79 echo "*** done"
80 rm -f $seq.full
81 status=0
82