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9c468a01 WX |
1 | #!/bin/bash |
2 | # | |
f33d2873 | 3 | # Test export internal snapshot by qemu-nbd, convert it by qemu-img. |
9c468a01 WX |
4 | # |
5 | # Copyright (C) 2013 IBM, Inc. | |
6 | # | |
7 | # Based on 029. | |
8 | # | |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
11 | # the Free Software Foundation; either version 2 of the License, or | |
12 | # (at your option) any later version. | |
13 | # | |
14 | # This program is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | # | |
19 | # You should have received a copy of the GNU General Public License | |
20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | # | |
22 | ||
23 | # creator | |
24 | owner=xiawenc@linux.vnet.ibm.com | |
25 | ||
26 | seq=`basename $0` | |
27 | echo "QA output created by $seq" | |
28 | ||
29 | here=`pwd` | |
9c468a01 WX |
30 | status=1 # failure is the default! |
31 | ||
32 | nbd_unix_socket=$TEST_DIR/test_qemu_nbd_socket | |
33 | nbd_snapshot_img="nbd:unix:$nbd_unix_socket" | |
f6c8c2e0 | 34 | rm -f "${TEST_DIR}/qemu-nbd.pid" |
9c468a01 WX |
35 | |
36 | _cleanup_nbd() | |
37 | { | |
f6c8c2e0 JC |
38 | local NBD_SNAPSHOT_PID |
39 | if [ -f "${TEST_DIR}/qemu-nbd.pid" ]; then | |
40 | read NBD_SNAPSHOT_PID < "${TEST_DIR}/qemu-nbd.pid" | |
41 | rm -f "${TEST_DIR}/qemu-nbd.pid" | |
42 | if [ -n "$NBD_SNAPSHOT_PID" ]; then | |
43 | kill "$NBD_SNAPSHOT_PID" | |
44 | fi | |
9c468a01 WX |
45 | fi |
46 | rm -f "$nbd_unix_socket" | |
47 | } | |
48 | ||
49 | _wait_for_nbd() | |
50 | { | |
51 | for ((i = 0; i < 300; i++)) | |
52 | do | |
53 | if [ -r "$nbd_unix_socket" ]; then | |
54 | return | |
55 | fi | |
56 | sleep 0.1 | |
57 | done | |
58 | echo "Failed in check of unix socket created by qemu-nbd" | |
59 | exit 1 | |
60 | } | |
61 | ||
f33d2873 WX |
62 | converted_image=$TEST_IMG.converted |
63 | ||
9c468a01 WX |
64 | _export_nbd_snapshot() |
65 | { | |
66 | _cleanup_nbd | |
67 | $QEMU_NBD -v -t -k "$nbd_unix_socket" "$TEST_IMG" -l $1 & | |
9c468a01 WX |
68 | _wait_for_nbd |
69 | } | |
70 | ||
71 | _export_nbd_snapshot1() | |
72 | { | |
73 | _cleanup_nbd | |
74 | $QEMU_NBD -v -t -k "$nbd_unix_socket" "$TEST_IMG" -l snapshot.name=$1 & | |
9c468a01 WX |
75 | _wait_for_nbd |
76 | } | |
77 | ||
78 | _cleanup() | |
79 | { | |
80 | _cleanup_nbd | |
81 | _cleanup_test_img | |
f33d2873 | 82 | rm -f "$converted_image" |
9c468a01 WX |
83 | } |
84 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
85 | ||
86 | # get standard environment, filters and checks | |
87 | . ./common.rc | |
88 | . ./common.filter | |
89 | . ./common.pattern | |
90 | ||
91 | _supported_fmt qcow2 | |
92 | _supported_proto file | |
9c8ab1ae | 93 | _supported_os Linux |
9c468a01 | 94 | _require_command QEMU_NBD |
5262caa7 HR |
95 | # Internal snapshots are (currently) impossible with refcount_bits=1 |
96 | _unsupported_imgopts 'refcount_bits=1[^0-9]' | |
9c468a01 | 97 | |
8f9e835f KW |
98 | # Use -f raw instead of -f $IMGFMT for the NBD connection |
99 | QEMU_IO_NBD="$QEMU_IO -f raw --cache=$CACHEMODE" | |
100 | ||
9c468a01 WX |
101 | echo |
102 | echo "== preparing image ==" | |
103 | _make_test_img 64M | |
104 | $QEMU_IO -c 'write -P 0xa 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io | |
105 | $QEMU_IO -c 'write -P 0xb 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io | |
106 | $QEMU_IMG snapshot -c sn1 "$TEST_IMG" | |
107 | $QEMU_IO -c 'write -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io | |
108 | $QEMU_IO -c 'write -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io | |
109 | _check_test_img | |
110 | ||
111 | echo | |
112 | echo "== verifying the image file with patterns ==" | |
113 | $QEMU_IO -c 'read -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io | |
114 | $QEMU_IO -c 'read -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io | |
115 | ||
116 | _export_nbd_snapshot sn1 | |
117 | ||
118 | echo | |
119 | echo "== verifying the exported snapshot with patterns, method 1 ==" | |
8f9e835f KW |
120 | $QEMU_IO_NBD -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io |
121 | $QEMU_IO_NBD -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io | |
9c468a01 WX |
122 | |
123 | _export_nbd_snapshot1 sn1 | |
124 | ||
125 | echo | |
126 | echo "== verifying the exported snapshot with patterns, method 2 ==" | |
8f9e835f KW |
127 | $QEMU_IO_NBD -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io |
128 | $QEMU_IO_NBD -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io | |
9c468a01 | 129 | |
f33d2873 WX |
130 | $QEMU_IMG convert "$TEST_IMG" -l sn1 -O qcow2 "$converted_image" |
131 | ||
132 | echo | |
133 | echo "== verifying the converted snapshot with patterns, method 1 ==" | |
134 | $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io | |
135 | $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io | |
136 | ||
137 | $QEMU_IMG convert "$TEST_IMG" -l snapshot.name=sn1 -O qcow2 "$converted_image" | |
138 | ||
139 | echo | |
140 | echo "== verifying the converted snapshot with patterns, method 2 ==" | |
141 | $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io | |
142 | $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io | |
143 | ||
9c468a01 WX |
144 | # success, all done |
145 | echo "*** done" | |
146 | rm -f $seq.full | |
147 | status=0 |