mirror of https://gitee.com/openkylin/qemu.git
75 lines
2.4 KiB
Bash
Executable File
75 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
#
|
|
# Test invalid backing file format in qcow2 images
|
|
#
|
|
# Copyright (C) 2014 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=kwolf@redhat.com
|
|
|
|
seq="$(basename $0)"
|
|
echo "QA output created by $seq"
|
|
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
|
|
_supported_fmt qcow2
|
|
_supported_proto generic
|
|
# At least OpenBSD doesn't seem to have truncate
|
|
_supported_os Linux
|
|
# qcow2.py does not work too well with external data files
|
|
_unsupported_imgopts data_file
|
|
|
|
# Intentionally specify backing file without backing format; demonstrate
|
|
# the difference in warning messages when backing file could be probed.
|
|
# Note that only a non-raw probe result will affect the resulting image.
|
|
truncate -s $((64 * 1024 * 1024)) "$TEST_IMG.orig"
|
|
_make_test_img -b "$TEST_IMG.orig" 64M
|
|
|
|
TEST_IMG="$TEST_IMG.base" _make_test_img 64M
|
|
$QEMU_IMG convert -O qcow2 -B "$TEST_IMG.orig" "$TEST_IMG.orig" "$TEST_IMG"
|
|
_make_test_img -b "$TEST_IMG.base" 64M
|
|
_make_test_img -u -b "$TEST_IMG.base" 64M
|
|
|
|
# Set an invalid backing file format
|
|
$PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo"
|
|
_img_info
|
|
|
|
# Try opening the image. Should fail (and not probe) in the first case, but
|
|
# overriding the backing file format should be possible.
|
|
$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
|
|
$QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io
|
|
|
|
# Rebase the image, to show that omitting backing format triggers a warning,
|
|
# but probing now lets us use the backing file.
|
|
$QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG"
|
|
$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
|
|
|
|
# success, all done
|
|
echo '*** done'
|
|
rm -f $seq.full
|
|
status=0
|