6 # Copyright 2016, 2017 Red Hat, Inc.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
26 echo "QA output created by $seq"
29 status=1 # failure is the default!
34 for img in "${TEST_IMG}".{base,overlay,convert,a,b,c,lnk}; do
38 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
49 _make_test_img $size >/dev/null
50 if $QEMU_IMG_PROG info --image-opts "driver=file,locking=on,filename=$TEST_IMG" 2>&1 |
51 grep -q 'falling back to POSIX file'; then
58 _check_ofd || _notrun "OFD lock not available"
66 (echo "$@"; "$@" 2>&1 1>/dev/null) | _filter_testdir
78 ) | $QEMU -nographic -monitor stdio -serial none "$@" 1>/dev/null
81 _run_qemu_with_images()
84 $(for i in $@; do echo "-drive if=none,file=$i"; done) 2>&1 \
85 | _filter_testdir | _filter_qemu
88 echo "== readonly=off,force-share=on should be rejected =="
89 _run_qemu_with_images null-co://,readonly=off,force-share=on
91 for opts1 in "" "read-only=on" "read-only=on,force-share=on"; do
93 echo "== Creating base image =="
94 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
97 echo "== Creating test image =="
98 _make_test_img -b "${TEST_IMG}.base" -F $IMGFMT
101 echo "== Launching QEMU, opts: '$opts1' =="
102 _launch_qemu -drive file="${TEST_IMG}",if=none,$opts1
105 for opts2 in "" "read-only=on" "read-only=on,force-share=on"; do
107 echo "== Launching another QEMU, opts: '$opts2' =="
109 $QEMU -nographic -monitor stdio \
110 -drive file="${TEST_IMG}",if=none,$opts2 2>&1 1>/dev/null | \
111 _filter_testdir | _filter_qemu
117 echo "== Running utility commands $L =="
118 _run_cmd $QEMU_IO $L -c "read 0 512" "${TEST_IMG}"
119 _run_cmd $QEMU_IO $L -r -c "read 0 512" "${TEST_IMG}"
120 _run_cmd $QEMU_IO -c "open $L ${TEST_IMG}" -c "read 0 512"
121 _run_cmd $QEMU_IO -c "open -r $L ${TEST_IMG}" -c "read 0 512"
122 _run_cmd $QEMU_IMG info $L "${TEST_IMG}"
123 _run_cmd $QEMU_IMG check $L "${TEST_IMG}"
124 _run_cmd $QEMU_IMG compare $L "${TEST_IMG}" "${TEST_IMG}"
125 _run_cmd $QEMU_IMG map $L "${TEST_IMG}"
126 _run_cmd $QEMU_IMG amend -o "size=$size" $L "${TEST_IMG}"
127 _run_cmd $QEMU_IMG commit $L "${TEST_IMG}"
128 _run_cmd $QEMU_IMG resize $L "${TEST_IMG}" $size
129 _run_cmd $QEMU_IMG rebase $L "${TEST_IMG}" -b "${TEST_IMG}.base" -F $IMGFMT
130 _run_cmd $QEMU_IMG snapshot -l $L "${TEST_IMG}"
131 _run_cmd $QEMU_IMG convert $L "${TEST_IMG}" "${TEST_IMG}.convert"
132 _run_cmd $QEMU_IMG dd $L if="${TEST_IMG}" of="${TEST_IMG}.convert" bs=512 count=1
133 _run_cmd $QEMU_IMG bench $L -c 1 "${TEST_IMG}"
134 _run_cmd $QEMU_IMG bench $L -w -c 1 "${TEST_IMG}"
136 # qemu-img create does not support -U
138 _run_cmd $QEMU_IMG create -f $IMGFMT "${TEST_IMG}" \
139 -b ${TEST_IMG}.base -F $IMGFMT
140 # Read the file format. It used to be the case that
141 # file-posix simply truncated the file, but the qcow2
142 # driver then failed to format it because it was unable
143 # to acquire the necessary WRITE permission. However, the
144 # truncation was already wrong, and the whole process
145 # resulted in the file being completely empty and thus its
146 # format would be detected to be raw.
147 # So we read it here to see that creation either completed
148 # successfully (thus the format is qcow2) or it aborted
149 # before the file was changed at all (thus the format stays
151 _img_info -U | grep 'file format'
154 _send_qemu_cmd $h "{ 'execute': 'quit' }" ''
160 test_opts="read-only=off read-only=on read-only=on,force-share=on"
161 for opt1 in $test_opts; do
162 for opt2 in $test_opts; do
164 echo "== Two devices with the same image ($opt1 - $opt2) =="
165 _run_qemu_with_images "${TEST_IMG},$opt1" "${TEST_IMG},$opt2"
170 echo "== Creating ${TEST_IMG}.[abc] ==" | _filter_testdir
171 $QEMU_IMG create -f qcow2 "${TEST_IMG}.a" -b "${TEST_IMG}" -F $IMGFMT | _filter_img_create
172 $QEMU_IMG create -f qcow2 "${TEST_IMG}.b" -b "${TEST_IMG}" -F $IMGFMT | _filter_img_create
173 $QEMU_IMG create -f qcow2 "${TEST_IMG}.c" -b "${TEST_IMG}.b" -F $IMGFMT \
177 echo "== Two devices sharing the same file in backing chain =="
178 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.b"
179 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.c"
182 echo "== Backing image also as an active device =="
183 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}"
186 echo "== Backing image also as an active device (ro) =="
187 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG},readonly=on"
190 echo "== Symbolic link =="
191 rm -f "${TEST_IMG}.lnk" &>/dev/null
192 ln -s ${TEST_IMG} "${TEST_IMG}.lnk" || echo "Failed to create link"
193 _run_qemu_with_images "${TEST_IMG}.lnk" "${TEST_IMG}"
196 echo "== Active commit to intermediate layer should work when base in use =="
197 _launch_qemu -drive format=$IMGFMT,file="${TEST_IMG}.a",id=drive0,if=none \
198 -device virtio-blk,drive=drive0
200 _send_qemu_cmd $QEMU_HANDLE \
201 "{ 'execute': 'qmp_capabilities' }" \
203 _run_cmd $QEMU_IMG commit -b "${TEST_IMG}.b" "${TEST_IMG}.c"
209 _send_qemu_cmd $QEMU_HANDLE \
210 "{ 'execute': 'qmp_capabilities' }" \
214 _send_qemu_cmd $QEMU_HANDLE \
215 "{ 'execute': 'human-monitor-command',
216 'arguments': { 'command-line': 'drive_add 0 if=none,id=d0,file=${TEST_IMG}' } }" \
219 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
221 echo "Creating overlay with qemu-img when the guest is running should be allowed"
222 _run_cmd $QEMU_IMG create -f $IMGFMT -b "${TEST_IMG}" -F $IMGFMT "${TEST_IMG}.overlay"
224 echo "== Closing an image should unlock it =="
225 _send_qemu_cmd $QEMU_HANDLE \
226 "{ 'execute': 'human-monitor-command',
227 'arguments': { 'command-line': 'drive_del d0' } }" \
230 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
232 echo "Adding two and closing one"
234 _send_qemu_cmd $QEMU_HANDLE \
235 "{ 'execute': 'human-monitor-command',
236 'arguments': { 'command-line': 'drive_add 0 if=none,id=$d,file=${TEST_IMG},readonly=on' } }" \
240 _run_cmd $QEMU_IMG info "${TEST_IMG}"
242 _send_qemu_cmd $QEMU_HANDLE \
243 "{ 'execute': 'human-monitor-command',
244 'arguments': { 'command-line': 'drive_del d0' } }" \
247 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
249 echo "Closing the other"
250 _send_qemu_cmd $QEMU_HANDLE \
251 "{ 'execute': 'human-monitor-command',
252 'arguments': { 'command-line': 'drive_del d1' } }" \
255 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
260 echo "== Detecting -U and force-share conflicts =="
264 $QEMU_IMG info -U --image-opts driver=null-co,force-share=on
267 $QEMU_IMG info -U --image-opts driver=null-co,force-share=off
271 $QEMU_IO -c 'open -r -U -o driver=null-co,force-share=on'
274 $QEMU_IO -c 'open -r -U -o driver=null-co,force-share=off'