mirror of https://gitee.com/openkylin/qemu.git
120 lines
3.0 KiB
Bash
Executable File
120 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Test case for relative backing file names in complex BDS trees
|
|
#
|
|
# 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=mreitz@redhat.com
|
|
|
|
seq="$(basename $0)"
|
|
echo "QA output created by $seq"
|
|
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
rm -f "$TEST_IMG.copy"
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
|
|
# Any format supporting backing files
|
|
_supported_fmt qed qcow qcow2 vmdk
|
|
_supported_proto file
|
|
_supported_os Linux
|
|
_unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat"
|
|
|
|
TEST_IMG_REL=$(basename "$TEST_IMG")
|
|
|
|
echo
|
|
echo '=== Reconstructable filename ==='
|
|
echo
|
|
|
|
TEST_IMG="$TEST_IMG.base" _make_test_img 64M
|
|
_make_test_img -b "$TEST_IMG_REL.base" 64M
|
|
# qemu should be able to reconstruct the filename, so relative backing names
|
|
# should work
|
|
TEST_IMG="json:{'driver':'$IMGFMT','file':{'driver':'file','filename':'$TEST_IMG'}}" \
|
|
_img_info | _filter_img_info
|
|
|
|
echo
|
|
echo '=== Non-reconstructable filename ==='
|
|
echo
|
|
|
|
# Across blkdebug without a config file, you cannot reconstruct filenames, so
|
|
# qemu is incapable of knowing the directory of the top image from the filename
|
|
# alone. However, using bdrv_dirname(), it should still work.
|
|
TEST_IMG="json:{
|
|
'driver': '$IMGFMT',
|
|
'file': {
|
|
'driver': 'blkdebug',
|
|
'image': {
|
|
'driver': 'file',
|
|
'filename': '$TEST_IMG'
|
|
},
|
|
'set-state': [
|
|
{
|
|
'event': 'read_aio',
|
|
'new_state': 42
|
|
}
|
|
]
|
|
}
|
|
}" _img_info | _filter_img_info
|
|
|
|
echo
|
|
echo '=== Backing name is always relative to the backed image ==='
|
|
echo
|
|
|
|
# omit the image size; it should work anyway
|
|
_make_test_img -b "$TEST_IMG_REL.base"
|
|
|
|
echo
|
|
echo '=== Nodes without a common directory ==='
|
|
echo
|
|
|
|
cp "$TEST_IMG" "$TEST_IMG.copy"
|
|
|
|
# Should inform us that the actual path of the backing file cannot be determined
|
|
TEST_IMG="json:{
|
|
'driver': '$IMGFMT',
|
|
'file': {
|
|
'driver': 'quorum',
|
|
'vote-threshold': 1,
|
|
'children': [
|
|
{
|
|
'driver': 'file',
|
|
'filename': '$TEST_IMG'
|
|
},
|
|
{
|
|
'driver': 'file',
|
|
'filename': '$TEST_IMG.copy'
|
|
}
|
|
]
|
|
}
|
|
}" _img_info | _filter_img_info
|
|
|
|
|
|
# success, all done
|
|
echo '*** done'
|
|
rm -f $seq.full
|
|
status=0
|