xref: /qemu/tests/qemu-iotests/061 (revision 50963118) 
1#!/usr/bin/env bash
2#
3# Test case for image option amendment in qcow2.
4#
5# Copyright (C) 2013 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=mreitz@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31    _cleanup_test_img
32    rm -f $TEST_IMG.data
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40# This tests qocw2-specific low-level functionality
41_supported_fmt qcow2
42_supported_proto file
43_supported_os Linux
44
45echo
46echo "=== Testing version downgrade with zero expansion ==="
47echo
48IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M
49$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
50$PYTHON qcow2.py "$TEST_IMG" dump-header
51$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
52$PYTHON qcow2.py "$TEST_IMG" dump-header
53$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
54_check_test_img
55
56echo
57echo "=== Testing version downgrade with zero expansion and 4K cache entries ==="
58echo
59IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M
60$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
61$QEMU_IO -c "write -z 32M 128k" "$TEST_IMG" | _filter_qemu_io
62$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io
63$PYTHON qcow2.py "$TEST_IMG" dump-header
64$QEMU_IMG amend -o "compat=0.10" --image-opts \
65          driver=qcow2,file.filename=$TEST_IMG,l2-cache-entry-size=4096
66$PYTHON qcow2.py "$TEST_IMG" dump-header
67$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
68$QEMU_IO -c "read -P 0 32M 128k" "$TEST_IMG" | _filter_qemu_io
69$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io
70_check_test_img
71
72echo
73echo "=== Testing dirty version downgrade ==="
74echo
75IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M
76$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
77         -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
78$PYTHON qcow2.py "$TEST_IMG" dump-header
79$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
80$PYTHON qcow2.py "$TEST_IMG" dump-header
81$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
82_check_test_img
83
84echo
85echo "=== Testing version downgrade with unknown compat/autoclear flags ==="
86echo
87IMGOPTS="compat=1.1" _make_test_img 64M
88$PYTHON qcow2.py "$TEST_IMG" set-feature-bit compatible 42
89$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 42
90$PYTHON qcow2.py "$TEST_IMG" dump-header
91$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
92$PYTHON qcow2.py "$TEST_IMG" dump-header
93_check_test_img
94
95echo
96echo "=== Testing version upgrade and resize ==="
97echo
98IMGOPTS="compat=0.10" _make_test_img 64M
99$QEMU_IO -c "write -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io
100$PYTHON qcow2.py "$TEST_IMG" dump-header
101$QEMU_IMG amend -o "compat=1.1,lazy_refcounts=on,size=128M" "$TEST_IMG"
102$PYTHON qcow2.py "$TEST_IMG" dump-header
103$QEMU_IO -c "read -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io
104_check_test_img
105
106echo
107echo "=== Testing dirty lazy_refcounts=off ==="
108echo
109IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M
110$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
111         -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
112$PYTHON qcow2.py "$TEST_IMG" dump-header
113$QEMU_IMG amend -o "lazy_refcounts=off" "$TEST_IMG"
114$PYTHON qcow2.py "$TEST_IMG" dump-header
115$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
116_check_test_img
117
118echo
119echo "=== Testing backing file ==="
120echo
121IMGOPTS="compat=1.1" _make_test_img 64M
122IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M
123$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
124$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
125$QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG"
126$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
127_check_test_img
128
129echo
130echo "=== Testing invalid configurations ==="
131echo
132IMGOPTS="compat=0.10" _make_test_img 64M
133$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
134$QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid
135$QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG"
136$QEMU_IMG amend -o "compat=0.42" "$TEST_IMG"
137$QEMU_IMG amend -o "foo=bar" "$TEST_IMG"
138$QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG"
139$QEMU_IMG amend -o "encryption=on" "$TEST_IMG"
140$QEMU_IMG amend -o "preallocation=on" "$TEST_IMG"
141
142echo
143echo "=== Testing correct handling of unset value ==="
144echo
145IMGOPTS="compat=1.1,cluster_size=1k" _make_test_img 64M
146echo "Should work:"
147$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
148echo "Should not work:" # Just to know which of these tests actually fails
149$QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
150
151echo
152echo "=== Testing zero expansion on inactive clusters ==="
153echo
154IMGOPTS="compat=1.1" _make_test_img 64M
155$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
156$QEMU_IMG snapshot -c foo "$TEST_IMG"
157$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
158$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
159_check_test_img
160$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
161$QEMU_IMG snapshot -a foo "$TEST_IMG"
162_check_test_img
163$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
164
165echo
166echo "=== Testing zero expansion on shared L2 table ==="
167echo
168IMGOPTS="compat=1.1" _make_test_img 64M
169$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
170$QEMU_IMG snapshot -c foo "$TEST_IMG"
171$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
172_check_test_img
173$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
174$QEMU_IMG snapshot -a foo "$TEST_IMG"
175_check_test_img
176$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
177
178echo
179echo "=== Testing zero expansion on backed image ==="
180echo
181IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M
182$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
183IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 64M
184$QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
185$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
186_check_test_img
187$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
188
189echo
190echo "=== Testing zero expansion on backed inactive clusters ==="
191echo
192IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M
193$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
194IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 64M
195$QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
196$QEMU_IMG snapshot -c foo "$TEST_IMG"
197$QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
198$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
199_check_test_img
200$QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
201$QEMU_IMG snapshot -a foo "$TEST_IMG"
202_check_test_img
203$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
204
205echo
206echo "=== Testing zero expansion on backed image with shared L2 table ==="
207echo
208IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M
209$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
210IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 64M
211$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
212$QEMU_IMG snapshot -c foo "$TEST_IMG"
213$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
214_check_test_img
215$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
216$QEMU_IMG snapshot -a foo "$TEST_IMG"
217_check_test_img
218$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
219
220echo
221echo "=== Testing preallocated zero expansion on full image ==="
222echo
223IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG" _make_test_img 64M
224$QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io
225$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
226_check_test_img
227$QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io
228
229echo
230echo "=== Testing progress report without snapshot ==="
231echo
232IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 4G
233IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 4G
234$QEMU_IO -c "write -z 0  64k" \
235         -c "write -z 1G 64k" \
236         -c "write -z 2G 64k" \
237         -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
238$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
239_check_test_img
240
241echo
242echo "=== Testing progress report with snapshot ==="
243echo
244IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 4G
245IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 4G
246$QEMU_IO -c "write -z 0  64k" \
247         -c "write -z 1G 64k" \
248         -c "write -z 2G 64k" \
249         -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
250$QEMU_IMG snapshot -c foo "$TEST_IMG"
251$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
252_check_test_img
253
254echo
255echo "=== Testing version downgrade with external data file ==="
256echo
257IMGOPTS="compat=1.1,data_file=$TEST_IMG.data" _make_test_img 64M
258$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
259_img_info --format-specific
260_check_test_img
261
262echo
263echo "=== Try changing the external data file ==="
264echo
265IMGOPTS="compat=1.1" _make_test_img 64M
266$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
267
268echo
269IMGOPTS="compat=1.1,data_file=$TEST_IMG.data" _make_test_img 64M
270$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
271_img_info --format-specific
272TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
273
274echo
275$QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
276_img_info --format-specific
277TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
278
279echo
280echo "=== Clearing and setting data-file-raw ==="
281echo
282IMGOPTS="compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" _make_test_img 64M
283$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
284_img_info --format-specific
285_check_test_img
286
287$QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG"
288_img_info --format-specific
289_check_test_img
290
291$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
292_img_info --format-specific
293_check_test_img
294
295
296# success, all done
297echo "*** done"
298rm -f $seq.full
299status=0
300