1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
|
#!/usr/bin/env bash
# group: rw auto
#
# Test case for image option amendment in qcow2.
#
# Copyright (C) 2013 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# creator
owner=mreitz@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
_rm_test_img "$TEST_IMG.data"
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# This tests qcow2-specific low-level functionality
_supported_fmt qcow2
_supported_proto file
_supported_os Linux
# Conversion between different compat versions can only really work
# with refcount_bits=16;
# we have explicit tests for data_file here, but the whole test does
# not work with it;
# we have explicit tests for various cluster sizes, the remaining tests
# require the default 64k cluster
_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)' data_file cluster_size
echo
echo "=== Testing version downgrade with zero expansion ==="
echo
_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
_check_test_img
echo
echo "=== Testing version downgrade with zero expansion and 4K cache entries ==="
echo
_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "write -z 32M 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IMG amend -o "compat=0.10" --image-opts \
driver=qcow2,file.filename=$TEST_IMG,l2-cache-entry-size=4096
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 32M 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io
_check_test_img
echo
echo "=== Testing dirty version downgrade ==="
echo
_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
_NO_VALGRIND \
$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
_check_test_img
echo
echo "=== Testing version downgrade with unknown compat/autoclear flags ==="
echo
_make_test_img -o "compat=1.1" 64M
$PYTHON qcow2.py "$TEST_IMG" set-feature-bit compatible 42
$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 42
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
$PYTHON qcow2.py "$TEST_IMG" dump-header
_check_test_img
echo
echo "=== Testing version upgrade and resize ==="
echo
_make_test_img -o "compat=0.10" 64M
$QEMU_IO -c "write -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IMG amend -o "compat=1.1,lazy_refcounts=on,size=128M" "$TEST_IMG"
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IO -c "read -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io
_check_test_img
echo
echo "=== Testing resize with snapshots ==="
echo
_make_test_img -o "compat=0.10" 32M
$QEMU_IO -c "write -P 0x2a 24M 64k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IMG resize "$TEST_IMG" 64M &&
echo "unexpected pass"
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)'
$QEMU_IMG amend -o "compat=1.1,size=128M" "$TEST_IMG" ||
echo "unexpected fail"
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)'
$QEMU_IMG snapshot -c bar "$TEST_IMG"
$QEMU_IMG resize --shrink "$TEST_IMG" 64M ||
echo "unexpected fail"
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)'
$QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" &&
echo "unexpected pass"
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)'
$QEMU_IMG snapshot -a bar "$TEST_IMG" ||
echo "unexpected fail"
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)'
$QEMU_IMG snapshot -d bar "$TEST_IMG"
$QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" ||
echo "unexpected fail"
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)'
_check_test_img
echo
echo "=== Testing dirty lazy_refcounts=off ==="
echo
_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
_NO_VALGRIND \
$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IMG amend -o "lazy_refcounts=off" "$TEST_IMG"
$PYTHON qcow2.py "$TEST_IMG" dump-header
$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
_check_test_img
echo
echo "=== Testing backing file ==="
echo
_make_test_img -o "compat=1.1" 64M
TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" \
"$TEST_IMG" && echo "unexpected pass"
$QEMU_IMG rebase -u -b "$TEST_IMG.base" -F qcow2 "$TEST_IMG"
$QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG"
$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
_check_test_img
echo
echo "=== Testing invalid configurations ==="
echo
_make_test_img -o "compat=0.10" 64M
$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
$QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid
$QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG"
$QEMU_IMG amend -o "compat=0.42" "$TEST_IMG"
$QEMU_IMG amend -o "foo=bar" "$TEST_IMG"
$QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG"
$QEMU_IMG amend -o "encryption=on" "$TEST_IMG"
$QEMU_IMG amend -o "preallocation=on" "$TEST_IMG"
echo
echo "=== Testing correct handling of unset value ==="
echo
_make_test_img -o "compat=1.1,cluster_size=1k" 64M
echo "Should work:"
$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
echo "Should not work:" # Just to know which of these tests actually fails
$QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
echo
echo "=== Testing zero expansion on inactive clusters ==="
echo
_make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on shared L2 table ==="
echo
_make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on backed image ==="
echo
TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
$QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on backed inactive clusters ==="
echo
TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
$QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on backed image with shared L2 table ==="
echo
TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing preallocated zero expansion on full image ==="
echo
TEST_IMG="$TEST_IMG" _make_test_img -o "compat=1.1" 64M
$QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing progress report without snapshot ==="
echo
TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G
_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G
$QEMU_IO -c "write -z 0 64k" \
-c "write -z 1G 64k" \
-c "write -z 2G 64k" \
-c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
_check_test_img
echo
echo "=== Testing progress report with snapshot ==="
echo
TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G
_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G
$QEMU_IO -c "write -z 0 64k" \
-c "write -z 1G 64k" \
-c "write -z 2G 64k" \
-c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
_check_test_img
echo
echo "=== Testing version downgrade with external data file ==="
echo
_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_img_info --format-specific
_check_test_img
echo
echo "=== Testing version downgrade with extended L2 entries ==="
echo
_make_test_img -o "compat=1.1,extended_l2=on" 64M
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
echo
echo "=== Try changing the external data file ==="
echo
_make_test_img -o "compat=1.1" 64M
$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
echo
_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M
$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
_img_info --format-specific
TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
echo
$QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
_img_info --format-specific
TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
echo
echo "=== Clearing and setting data-file-raw ==="
echo
_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" 64M
$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
_img_info --format-specific
_check_test_img
$QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG"
_img_info --format-specific
_check_test_img
$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
_img_info --format-specific
_check_test_img
# success, all done
echo "*** done"
rm -f $seq.full
status=0
|
