mirror of https://gitee.com/openkylin/qemu.git
285 lines
8.5 KiB
Bash
Executable File
285 lines
8.5 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Test image locking
|
|
#
|
|
# Copyright 2016, 2017 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=famz@redhat.com
|
|
|
|
seq="$(basename $0)"
|
|
echo "QA output created by $seq"
|
|
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
rm -f "${TEST_IMG}.base"
|
|
rm -f "${TEST_IMG}.overlay"
|
|
rm -f "${TEST_IMG}.convert"
|
|
rm -f "${TEST_IMG}.a"
|
|
rm -f "${TEST_IMG}.b"
|
|
rm -f "${TEST_IMG}.c"
|
|
rm -f "${TEST_IMG}.lnk"
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
. ./common.qemu
|
|
|
|
size=32M
|
|
|
|
_check_ofd()
|
|
{
|
|
_make_test_img $size >/dev/null
|
|
if $QEMU_IMG_PROG info --image-opts "driver=file,locking=on,filename=$TEST_IMG" 2>&1 |
|
|
grep -q 'falling back to POSIX file'; then
|
|
return 1
|
|
else
|
|
return 0
|
|
fi
|
|
}
|
|
|
|
_check_ofd || _notrun "OFD lock not available"
|
|
|
|
_supported_fmt qcow2
|
|
_supported_proto file
|
|
_supported_os Linux
|
|
|
|
_run_cmd()
|
|
{
|
|
echo
|
|
(echo "$@"; "$@" 2>&1 1>/dev/null) | _filter_testdir
|
|
}
|
|
|
|
_do_run_qemu()
|
|
{
|
|
(
|
|
if ! test -t 0; then
|
|
while read cmd; do
|
|
echo $cmd
|
|
done
|
|
fi
|
|
echo quit
|
|
) | $QEMU -nographic -monitor stdio -serial none "$@" 1>/dev/null
|
|
}
|
|
|
|
_run_qemu_with_images()
|
|
{
|
|
_do_run_qemu \
|
|
$(for i in $@; do echo "-drive if=none,file=$i"; done) 2>&1 \
|
|
| _filter_testdir | _filter_qemu
|
|
}
|
|
|
|
echo "== readonly=off,force-share=on should be rejected =="
|
|
_run_qemu_with_images null-co://,readonly=off,force-share=on
|
|
|
|
for opts1 in "" "read-only=on" "read-only=on,force-share=on"; do
|
|
echo
|
|
echo "== Creating base image =="
|
|
TEST_IMG="${TEST_IMG}.base" _make_test_img $size
|
|
|
|
echo
|
|
echo "== Creating test image =="
|
|
$QEMU_IMG create -f $IMGFMT "${TEST_IMG}" -b ${TEST_IMG}.base | _filter_img_create
|
|
|
|
echo
|
|
echo "== Launching QEMU, opts: '$opts1' =="
|
|
_launch_qemu -drive file="${TEST_IMG}",if=none,$opts1
|
|
h=$QEMU_HANDLE
|
|
|
|
for opts2 in "" "read-only=on" "read-only=on,force-share=on"; do
|
|
echo
|
|
echo "== Launching another QEMU, opts: '$opts2' =="
|
|
echo "quit" | \
|
|
$QEMU -nographic -monitor stdio \
|
|
-drive file="${TEST_IMG}",if=none,$opts2 2>&1 1>/dev/null | \
|
|
_filter_testdir | _filter_qemu
|
|
done
|
|
|
|
for L in "" "-U"; do
|
|
|
|
echo
|
|
echo "== Running utility commands $L =="
|
|
_run_cmd $QEMU_IO $L -c "read 0 512" "${TEST_IMG}"
|
|
_run_cmd $QEMU_IO $L -r -c "read 0 512" "${TEST_IMG}"
|
|
_run_cmd $QEMU_IO -c "open $L ${TEST_IMG}" -c "read 0 512"
|
|
_run_cmd $QEMU_IO -c "open -r $L ${TEST_IMG}" -c "read 0 512"
|
|
_run_cmd $QEMU_IMG info $L "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG check $L "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG compare $L "${TEST_IMG}" "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG map $L "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG amend -o "" $L "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG commit $L "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG resize $L "${TEST_IMG}" $size
|
|
_run_cmd $QEMU_IMG rebase $L "${TEST_IMG}" -b "${TEST_IMG}.base"
|
|
_run_cmd $QEMU_IMG snapshot -l $L "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG convert $L "${TEST_IMG}" "${TEST_IMG}.convert"
|
|
_run_cmd $QEMU_IMG dd $L if="${TEST_IMG}" of="${TEST_IMG}.convert" bs=512 count=1
|
|
_run_cmd $QEMU_IMG bench $L -c 1 "${TEST_IMG}"
|
|
_run_cmd $QEMU_IMG bench $L -w -c 1 "${TEST_IMG}"
|
|
|
|
# qemu-img create does not support -U
|
|
if [ -z "$L" ]; then
|
|
_run_cmd $QEMU_IMG create -f $IMGFMT "${TEST_IMG}" \
|
|
-b ${TEST_IMG}.base
|
|
# Read the file format. It used to be the case that
|
|
# file-posix simply truncated the file, but the qcow2
|
|
# driver then failed to format it because it was unable
|
|
# to acquire the necessary WRITE permission. However, the
|
|
# truncation was already wrong, and the whole process
|
|
# resulted in the file being completely empty and thus its
|
|
# format would be detected to be raw.
|
|
# So we read it here to see that creation either completed
|
|
# successfully (thus the format is qcow2) or it aborted
|
|
# before the file was changed at all (thus the format stays
|
|
# qcow2).
|
|
_img_info -U | grep 'file format'
|
|
fi
|
|
done
|
|
_send_qemu_cmd $h "{ 'execute': 'quit', }" ""
|
|
echo
|
|
echo "Round done"
|
|
_cleanup_qemu
|
|
done
|
|
|
|
test_opts="read-only=off read-only=on read-only=on,force-share=on"
|
|
for opt1 in $test_opts; do
|
|
for opt2 in $test_opts; do
|
|
echo
|
|
echo "== Two devices with the same image ($opt1 - $opt2) =="
|
|
_run_qemu_with_images "${TEST_IMG},$opt1" "${TEST_IMG},$opt2"
|
|
done
|
|
done
|
|
|
|
echo
|
|
echo "== Creating ${TEST_IMG}.[abc] ==" | _filter_testdir
|
|
(
|
|
$QEMU_IMG create -f qcow2 "${TEST_IMG}.a" -b "${TEST_IMG}"
|
|
$QEMU_IMG create -f qcow2 "${TEST_IMG}.b" -b "${TEST_IMG}"
|
|
$QEMU_IMG create -f qcow2 "${TEST_IMG}.c" -b "${TEST_IMG}.b"
|
|
) | _filter_img_create
|
|
|
|
echo
|
|
echo "== Two devices sharing the same file in backing chain =="
|
|
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.b"
|
|
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.c"
|
|
|
|
echo
|
|
echo "== Backing image also as an active device =="
|
|
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}"
|
|
|
|
echo
|
|
echo "== Backing image also as an active device (ro) =="
|
|
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG},readonly=on"
|
|
|
|
echo
|
|
echo "== Symbolic link =="
|
|
rm -f "${TEST_IMG}.lnk" &>/dev/null
|
|
ln -s ${TEST_IMG} "${TEST_IMG}.lnk" || echo "Failed to create link"
|
|
_run_qemu_with_images "${TEST_IMG}.lnk" "${TEST_IMG}"
|
|
|
|
echo
|
|
echo "== Active commit to intermediate layer should work when base in use =="
|
|
_launch_qemu -drive format=$IMGFMT,file="${TEST_IMG}.a",id=drive0,if=none \
|
|
-device virtio-blk,drive=drive0
|
|
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'qmp_capabilities' }" \
|
|
'return'
|
|
_run_cmd $QEMU_IMG commit -b "${TEST_IMG}.b" "${TEST_IMG}.c"
|
|
|
|
_cleanup_qemu
|
|
|
|
_launch_qemu
|
|
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'qmp_capabilities' }" \
|
|
'return'
|
|
|
|
echo "Adding drive"
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'human-monitor-command',
|
|
'arguments': { 'command-line': 'drive_add 0 if=none,id=d0,file=${TEST_IMG}' } }" \
|
|
""
|
|
|
|
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
|
|
|
|
echo "Creating overlay with qemu-img when the guest is running should be allowed"
|
|
_run_cmd $QEMU_IMG create -f $IMGFMT -b "${TEST_IMG}" "${TEST_IMG}.overlay"
|
|
|
|
echo "== Closing an image should unlock it =="
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'human-monitor-command',
|
|
'arguments': { 'command-line': 'drive_del d0' } }" \
|
|
""
|
|
|
|
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
|
|
|
|
echo "Adding two and closing one"
|
|
for d in d0 d1; do
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'human-monitor-command',
|
|
'arguments': { 'command-line': 'drive_add 0 if=none,id=$d,file=${TEST_IMG},readonly=on' } }" \
|
|
""
|
|
done
|
|
|
|
_run_cmd $QEMU_IMG info "${TEST_IMG}"
|
|
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'human-monitor-command',
|
|
'arguments': { 'command-line': 'drive_del d0' } }" \
|
|
""
|
|
|
|
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
|
|
|
|
echo "Closing the other"
|
|
_send_qemu_cmd $QEMU_HANDLE \
|
|
"{ 'execute': 'human-monitor-command',
|
|
'arguments': { 'command-line': 'drive_del d1' } }" \
|
|
""
|
|
|
|
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
|
|
|
|
_cleanup_qemu
|
|
|
|
echo
|
|
echo "== Detecting -U and force-share conflicts =="
|
|
|
|
echo
|
|
echo 'No conflict:'
|
|
$QEMU_IMG info -U --image-opts driver=null-co,force-share=on
|
|
echo
|
|
echo 'Conflict:'
|
|
$QEMU_IMG info -U --image-opts driver=null-co,force-share=off
|
|
|
|
echo
|
|
echo 'No conflict:'
|
|
$QEMU_IO -c 'open -r -U -o driver=null-co,force-share=on'
|
|
echo
|
|
echo 'Conflict:'
|
|
$QEMU_IO -c 'open -r -U -o driver=null-co,force-share=off'
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|