| 1 | #!/usr/bin/env bash |
| 2 | # group: rw quick |
| 3 | # |
| 4 | # Test export internal snapshot by qemu-nbd, convert it by qemu-img. |
| 5 | # |
| 6 | # Copyright (C) 2013 IBM, Inc. |
| 7 | # |
| 8 | # Based on 029. |
| 9 | # |
| 10 | # This program is free software; you can redistribute it and/or modify |
| 11 | # it under the terms of the GNU General Public License as published by |
| 12 | # the Free Software Foundation; either version 2 of the License, or |
| 13 | # (at your option) any later version. |
| 14 | # |
| 15 | # This program is distributed in the hope that it will be useful, |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | # GNU General Public License for more details. |
| 19 | # |
| 20 | # You should have received a copy of the GNU General Public License |
| 21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 22 | # |
| 23 | |
| 24 | # creator |
| 25 | owner=xiawenc@linux.vnet.ibm.com |
| 26 | |
| 27 | seq=`basename $0` |
| 28 | echo "QA output created by $seq" |
| 29 | |
| 30 | status=1 # failure is the default! |
| 31 | |
| 32 | _export_nbd_snapshot() |
| 33 | { |
| 34 | nbd_server_start_unix_socket "$TEST_IMG" -l $1 |
| 35 | } |
| 36 | |
| 37 | _export_nbd_snapshot1() |
| 38 | { |
| 39 | nbd_server_start_unix_socket "$TEST_IMG" -l snapshot.name=$1 |
| 40 | } |
| 41 | |
| 42 | _cleanup() |
| 43 | { |
| 44 | nbd_server_stop |
| 45 | _cleanup_test_img |
| 46 | _rm_test_img "$converted_image" |
| 47 | } |
| 48 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 49 | |
| 50 | # get standard environment, filters and checks |
| 51 | . ./common.rc |
| 52 | . ./common.filter |
| 53 | . ./common.pattern |
| 54 | . ./common.nbd |
| 55 | |
| 56 | _supported_fmt qcow2 |
| 57 | _supported_proto file |
| 58 | _supported_os Linux |
| 59 | _require_command QEMU_NBD |
| 60 | # Internal snapshots are (currently) impossible with refcount_bits=1, |
| 61 | # and generally impossible with external data files |
| 62 | _unsupported_imgopts 'refcount_bits=1[^0-9]' data_file |
| 63 | |
| 64 | nbd_snapshot_img="nbd:unix:$nbd_unix_socket" |
| 65 | |
| 66 | converted_image=$TEST_IMG.converted |
| 67 | |
| 68 | # Use -f raw instead of -f $IMGFMT for the NBD connection |
| 69 | QEMU_IO_NBD="$QEMU_IO -f raw --cache=$CACHEMODE --aio=$AIOMODE" |
| 70 | |
| 71 | echo |
| 72 | echo "== preparing image ==" |
| 73 | _make_test_img 64M |
| 74 | $QEMU_IO -c 'write -P 0xa 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io |
| 75 | $QEMU_IO -c 'write -P 0xb 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io |
| 76 | $QEMU_IMG snapshot -c sn1 "$TEST_IMG" |
| 77 | $QEMU_IO -c 'write -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io |
| 78 | $QEMU_IO -c 'write -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io |
| 79 | _check_test_img |
| 80 | |
| 81 | echo |
| 82 | echo "== verifying the image file with patterns ==" |
| 83 | $QEMU_IO -c 'read -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io |
| 84 | $QEMU_IO -c 'read -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io |
| 85 | |
| 86 | _export_nbd_snapshot sn1 |
| 87 | |
| 88 | echo |
| 89 | echo "== verifying the exported snapshot with patterns, method 1 ==" |
| 90 | $QEMU_IO_NBD -r -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io |
| 91 | $QEMU_IO_NBD -r -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io |
| 92 | |
| 93 | _export_nbd_snapshot1 sn1 |
| 94 | |
| 95 | echo |
| 96 | echo "== verifying the exported snapshot with patterns, method 2 ==" |
| 97 | $QEMU_IO_NBD -r -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io |
| 98 | $QEMU_IO_NBD -r -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io |
| 99 | |
| 100 | $QEMU_IMG convert "$TEST_IMG" -l sn1 -O qcow2 "$converted_image" |
| 101 | |
| 102 | echo |
| 103 | echo "== verifying the converted snapshot with patterns, method 1 ==" |
| 104 | $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io |
| 105 | $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io |
| 106 | |
| 107 | $QEMU_IMG convert "$TEST_IMG" -l snapshot.name=sn1 -O qcow2 "$converted_image" |
| 108 | |
| 109 | echo |
| 110 | echo "== verifying the converted snapshot with patterns, method 2 ==" |
| 111 | $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io |
| 112 | $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io |
| 113 | |
| 114 | # success, all done |
| 115 | echo "*** done" |
| 116 | rm -f $seq.full |
| 117 | status=0 |