#!/usr/bin/env bash # # Test export internal snapshot by qemu-nbd, convert it by qemu-img. # # Copyright (C) 2013 IBM, Inc. # # Based on 029. # # 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 . # # creator owner=xiawenc@linux.vnet.ibm.com seq=`basename $0` echo "QA output created by $seq" status=1 # failure is the default! _export_nbd_snapshot() { nbd_server_start_unix_socket "$TEST_IMG" -l $1 } _export_nbd_snapshot1() { nbd_server_start_unix_socket "$TEST_IMG" -l snapshot.name=$1 } _cleanup() { nbd_server_stop _cleanup_test_img _rm_test_img "$converted_image" } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter . ./common.pattern . ./common.nbd _supported_fmt qcow2 _supported_proto file _supported_os Linux _require_command QEMU_NBD # Internal snapshots are (currently) impossible with refcount_bits=1, # and generally impossible with external data files _unsupported_imgopts 'refcount_bits=1[^0-9]' data_file nbd_snapshot_img="nbd:unix:$nbd_unix_socket" converted_image=$TEST_IMG.converted # Use -f raw instead of -f $IMGFMT for the NBD connection QEMU_IO_NBD="$QEMU_IO -f raw --cache=$CACHEMODE --aio=$AIOMODE" echo echo "== preparing image ==" _make_test_img 64M $QEMU_IO -c 'write -P 0xa 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c 'write -P 0xb 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io $QEMU_IMG snapshot -c sn1 "$TEST_IMG" $QEMU_IO -c 'write -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c 'write -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io _check_test_img echo echo "== verifying the image file with patterns ==" $QEMU_IO -c 'read -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c 'read -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io _export_nbd_snapshot sn1 echo echo "== verifying the exported snapshot with patterns, method 1 ==" $QEMU_IO_NBD -r -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io $QEMU_IO_NBD -r -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io _export_nbd_snapshot1 sn1 echo echo "== verifying the exported snapshot with patterns, method 2 ==" $QEMU_IO_NBD -r -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io $QEMU_IO_NBD -r -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io $QEMU_IMG convert "$TEST_IMG" -l sn1 -O qcow2 "$converted_image" echo echo "== verifying the converted snapshot with patterns, method 1 ==" $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io $QEMU_IMG convert "$TEST_IMG" -l snapshot.name=sn1 -O qcow2 "$converted_image" echo echo "== verifying the converted snapshot with patterns, method 2 ==" $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io # success, all done echo "*** done" rm -f $seq.full status=0