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f3d07ce8 | 1 | #!/usr/bin/env bash |
76b90e23 KW |
2 | # |
3 | # Test qcow2 with external data files | |
4 | # | |
5 | # Copyright (C) 2019 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 | ||
27 | status=1 # failure is the default! | |
28 | ||
29 | _cleanup() | |
30 | { | |
31 | _cleanup_test_img | |
32 | rm -f $TEST_IMG.data | |
33 | rm -f $TEST_IMG.src | |
34 | } | |
35 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
36 | ||
37 | # get standard environment, filters and checks | |
38 | . ./common.rc | |
39 | . ./common.filter | |
40 | ||
41 | _supported_fmt qcow2 | |
42 | _supported_proto file | |
43 | _supported_os Linux | |
44 | ||
45 | echo | |
46 | echo "=== Create and open image with external data file ===" | |
47 | echo | |
48 | ||
49 | echo "With data file name in the image:" | |
50 | IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M | |
51 | _check_test_img | |
52 | ||
53 | $QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
54 | $QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
55 | $QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
56 | ||
57 | echo | |
58 | echo "Data file required, but without data file name in the image:" | |
59 | $QEMU_IMG amend -odata_file= $TEST_IMG | |
60 | ||
61 | $QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
62 | $QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
63 | $QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
64 | ||
65 | echo | |
66 | echo "Setting data-file for an image with internal data:" | |
67 | _make_test_img 64M | |
68 | ||
69 | $QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
70 | $QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir | |
71 | ||
72 | echo | |
73 | echo "=== Conflicting features ===" | |
74 | echo | |
75 | ||
76 | echo "Convert to compressed target with data file:" | |
77 | TEST_IMG="$TEST_IMG.src" _make_test_img 64M | |
78 | ||
79 | $QEMU_IO -c 'write -P 0x11 0 1M' \ | |
80 | -f $IMGFMT "$TEST_IMG.src" | | |
81 | _filter_qemu_io | |
82 | ||
83 | $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c -odata_file="$TEST_IMG.data" \ | |
84 | "$TEST_IMG.src" "$TEST_IMG" | |
85 | ||
86 | echo | |
87 | echo "Convert uncompressed, then write compressed data manually:" | |
88 | $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -odata_file="$TEST_IMG.data" \ | |
89 | "$TEST_IMG.src" "$TEST_IMG" | |
90 | $QEMU_IMG compare "$TEST_IMG.src" "$TEST_IMG" | |
91 | ||
92 | $QEMU_IO -c 'write -c -P 0x22 0 1M' \ | |
93 | -f $IMGFMT "$TEST_IMG" | | |
94 | _filter_qemu_io | |
95 | _check_test_img | |
96 | ||
97 | echo | |
98 | echo "Take an internal snapshot:" | |
99 | ||
100 | $QEMU_IMG snapshot -c test "$TEST_IMG" | |
101 | _check_test_img | |
102 | ||
103 | echo | |
104 | echo "=== Standalone image with external data file (efficient) ===" | |
105 | echo | |
106 | ||
107 | IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M | |
108 | ||
109 | echo -n "qcow2 file size before I/O: " | |
110 | du -b $TEST_IMG | cut -f1 | |
111 | ||
112 | # Create image with the following layout | |
113 | # 0-1 MB: Unallocated | |
114 | # 1-2 MB: Written (pattern 0x11) | |
115 | # 2-3 MB: Discarded | |
116 | # 3-4 MB: Zero write over discarded space | |
117 | # 4-5 MB: Zero write over written space | |
118 | # 5-6 MB: Zero write over unallocated space | |
119 | ||
120 | echo | |
121 | $QEMU_IO -c 'write -P 0x11 1M 4M' \ | |
122 | -c 'discard 2M 2M' \ | |
123 | -c 'write -z 3M 3M' \ | |
124 | -f $IMGFMT "$TEST_IMG" | | |
125 | _filter_qemu_io | |
126 | _check_test_img | |
127 | ||
128 | echo | |
129 | $QEMU_IMG map --output=json "$TEST_IMG" | |
130 | ||
131 | echo | |
132 | $QEMU_IO -c 'read -P 0 0 1M' \ | |
133 | -c 'read -P 0x11 1M 1M' \ | |
134 | -c 'read -P 0 2M 4M' \ | |
135 | -f $IMGFMT "$TEST_IMG" | | |
136 | _filter_qemu_io | |
137 | ||
138 | # Zero clusters are only marked as such in the qcow2 metadata, but contain | |
139 | # stale data in the external data file | |
140 | echo | |
141 | $QEMU_IO -c 'read -P 0 0 1M' \ | |
142 | -c 'read -P 0x11 1M 1M' \ | |
143 | -c 'read -P 0 2M 2M' \ | |
144 | -c 'read -P 0x11 4M 1M' \ | |
145 | -c 'read -P 0 5M 1M' \ | |
146 | -f raw "$TEST_IMG.data" | | |
147 | _filter_qemu_io | |
148 | ||
149 | ||
150 | echo -n "qcow2 file size after I/O: " | |
151 | du -b $TEST_IMG | cut -f1 | |
152 | ||
153 | echo | |
154 | echo "=== Standalone image with external data file (valid raw) ===" | |
155 | echo | |
156 | ||
157 | IMGOPTS="data_file=$TEST_IMG.data,data_file_raw=on" _make_test_img 64M | |
158 | ||
159 | echo -n "qcow2 file size before I/O: " | |
160 | du -b $TEST_IMG | cut -f1 | |
161 | ||
162 | echo | |
163 | $QEMU_IO -c 'write -P 0x11 1M 4M' \ | |
164 | -c 'discard 2M 2M' \ | |
165 | -c 'write -z 3M 3M' \ | |
166 | -f $IMGFMT "$TEST_IMG" | | |
167 | _filter_qemu_io | |
168 | _check_test_img | |
169 | ||
170 | echo | |
171 | $QEMU_IMG map --output=json "$TEST_IMG" | |
172 | ||
173 | echo | |
174 | $QEMU_IO -c 'read -P 0 0 1M' \ | |
175 | -c 'read -P 0x11 1M 1M' \ | |
176 | -c 'read -P 0 2M 4M' \ | |
177 | -f $IMGFMT "$TEST_IMG" | | |
178 | _filter_qemu_io | |
179 | ||
180 | echo | |
181 | $QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.data" | |
182 | ||
183 | echo -n "qcow2 file size after I/O: " | |
184 | du -b $TEST_IMG | cut -f1 | |
185 | ||
186 | echo | |
187 | echo "=== bdrv_co_block_status test for file and offset=0 ===" | |
188 | echo | |
189 | ||
190 | IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M | |
191 | ||
192 | $QEMU_IO -c 'write -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io | |
193 | $QEMU_IO -c 'read -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io | |
194 | $QEMU_IMG map --output=human "$TEST_IMG" | _filter_testdir | |
195 | $QEMU_IMG map --output=json "$TEST_IMG" | |
196 | ||
197 | # success, all done | |
198 | echo "*** done" | |
199 | rm -f $seq.full | |
200 | status=0 |