mirror of https://gitee.com/openkylin/qemu.git
96 lines
2.3 KiB
Bash
Executable File
96 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Test that qemu-img info --backing-chain detects infinite loops
|
|
#
|
|
# Copyright (C) 2012 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=stefanha@redhat.com
|
|
|
|
seq=`basename $0`
|
|
echo "QA output created by $seq"
|
|
|
|
here=`pwd`
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
rm -f "$TEST_IMG".[123].base
|
|
}
|
|
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 qcow2 qed
|
|
_supported_proto file
|
|
_supported_os Linux
|
|
|
|
|
|
size=128M
|
|
_make_test_img $size
|
|
$QEMU_IMG rebase -u -b "$TEST_IMG" "$TEST_IMG"
|
|
|
|
echo
|
|
echo "== backing file references self =="
|
|
_img_info --backing-chain
|
|
|
|
_make_test_img $size
|
|
mv "$TEST_IMG" "$TEST_IMG.base"
|
|
_make_test_img -b "$TEST_IMG.base" $size
|
|
$QEMU_IMG rebase -u -b "$TEST_IMG" "$TEST_IMG.base"
|
|
|
|
echo
|
|
echo "== parent references self =="
|
|
_img_info --backing-chain
|
|
|
|
_make_test_img $size
|
|
mv "$TEST_IMG" "$TEST_IMG.1.base"
|
|
_make_test_img -b "$TEST_IMG.1.base" $size
|
|
mv "$TEST_IMG" "$TEST_IMG.2.base"
|
|
_make_test_img -b "$TEST_IMG.2.base" $size
|
|
mv "$TEST_IMG" "$TEST_IMG.3.base"
|
|
_make_test_img -b "$TEST_IMG.3.base" $size
|
|
$QEMU_IMG rebase -u -b "$TEST_IMG.2.base" "$TEST_IMG.1.base"
|
|
|
|
echo
|
|
echo "== ancestor references another ancestor =="
|
|
_img_info --backing-chain
|
|
|
|
_make_test_img $size
|
|
mv "$TEST_IMG" "$TEST_IMG.1.base"
|
|
_make_test_img -b "$TEST_IMG.1.base" $size
|
|
mv "$TEST_IMG" "$TEST_IMG.2.base"
|
|
_make_test_img -b "$TEST_IMG.2.base" $size
|
|
|
|
echo
|
|
echo "== finite chain of length 3 (human) =="
|
|
_img_info --backing-chain
|
|
|
|
echo
|
|
echo "== finite chain of length 3 (json) =="
|
|
_img_info --backing-chain --output=json
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|