102 lines
2.7 KiB
Bash
Executable File
102 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# qcow2 internal snapshots/VM state tests
|
|
#
|
|
# Copyright (C) 2011 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"
|
|
|
|
here=`pwd`
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
rm -f $TEST_IMG.snap
|
|
_cleanup_test_img
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
. ./common.pattern
|
|
|
|
# Any format supporting intenal snapshots
|
|
_supported_fmt qcow2
|
|
_supported_proto generic
|
|
_supported_os Linux
|
|
# Internal snapshots are (currently) impossible with refcount_bits=1
|
|
_unsupported_imgopts 'refcount_bits=1[^0-9]'
|
|
|
|
offset_size=24
|
|
offset_l1_size=36
|
|
|
|
echo
|
|
echo Test loading internal snapshots where the L1 table of the snapshot
|
|
echo is smaller than the current L1 table.
|
|
echo
|
|
|
|
CLUSTER_SIZE=65536
|
|
_make_test_img 64M
|
|
$QEMU_IMG snapshot -c foo "$TEST_IMG"
|
|
$QEMU_IO -c 'write -b 0 4k' "$TEST_IMG" | _filter_qemu_io
|
|
$QEMU_IMG snapshot -a foo "$TEST_IMG"
|
|
_check_test_img
|
|
|
|
CLUSTER_SIZE=1024
|
|
_make_test_img 16M
|
|
$QEMU_IMG snapshot -c foo "$TEST_IMG"
|
|
$QEMU_IO -c 'write -b 0 4M' "$TEST_IMG" | _filter_qemu_io
|
|
$QEMU_IMG snapshot -a foo "$TEST_IMG"
|
|
_check_test_img
|
|
|
|
|
|
echo
|
|
echo Try using a huge VM state
|
|
echo
|
|
|
|
CLUSTER_SIZE=65536
|
|
_make_test_img 64M
|
|
{ $QEMU_IO -c "write -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
|
|
{ $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
|
|
{ $QEMU_IMG snapshot -a foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
|
|
{ $QEMU_IO -c "read -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
|
|
_check_test_img
|
|
|
|
|
|
echo
|
|
echo "qcow2_snapshot_load_tmp() should take the L1 size from the snapshot"
|
|
echo
|
|
|
|
CLUSTER_SIZE=512
|
|
_make_test_img 64M
|
|
{ $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
|
|
poke_file "$TEST_IMG" "$offset_size" "\x00\x00\x00\x00\x00\x00\x02\x00"
|
|
poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\x00\x01"
|
|
{ $QEMU_IMG convert -s foo $TEST_IMG $TEST_IMG.snap; } 2>&1 | _filter_qemu_io | _filter_testdir
|
|
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|