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11a82d14 | 1 | #!/usr/bin/env bash |
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2 | # |
3 | # Test reading dirty bitmap over NBD | |
4 | # | |
506902c6 | 5 | # Copyright (C) 2018-2019 Red Hat, Inc. |
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6 | # |
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation; either version 2 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | # | |
20 | ||
21 | seq="$(basename $0)" | |
22 | echo "QA output created by $seq" | |
23 | ||
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24 | status=1 # failure is the default! |
25 | ||
26 | _cleanup() | |
27 | { | |
636192c4 | 28 | nbd_server_stop |
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29 | _cleanup_test_img |
30 | _cleanup_qemu | |
31 | rm -f "$TEST_DIR/nbd" | |
32 | } | |
33 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
34 | ||
35 | # get standard environment, filters and checks | |
36 | . ./common.rc | |
37 | . ./common.filter | |
38 | . ./common.qemu | |
636192c4 | 39 | . ./common.nbd |
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40 | |
41 | _supported_fmt qcow2 | |
42 | _supported_proto file # uses NBD as well | |
43 | _supported_os Linux | |
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44 | # Persistent dirty bitmaps require compat=1.1 |
45 | _unsupported_imgopts 'compat=0.10' | |
a1532a22 | 46 | |
8cedcffd | 47 | do_run_qemu() |
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48 | { |
49 | echo Testing: "$@" | |
50 | $QEMU -nographic -qmp stdio -serial none "$@" | |
51 | echo | |
52 | } | |
53 | ||
8cedcffd | 54 | run_qemu() |
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55 | { |
56 | do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp \ | |
57 | | _filter_qemu | _filter_imgfmt \ | |
58 | | _filter_actual_image_size | |
59 | } | |
60 | ||
61 | echo | |
a237dea3 | 62 | echo "=== Create partially sparse image, then add dirty bitmaps ===" |
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63 | echo |
64 | ||
a237dea3 | 65 | # Two bitmaps, to contrast granularity issues |
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66 | # Also note that b will be disabled, while b2 is left enabled, to |
67 | # check for read-only interactions | |
a237dea3 | 68 | _make_test_img -o cluster_size=4k 4M |
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69 | $QEMU_IO -c 'w -P 0x11 1M 2M' "$TEST_IMG" | _filter_qemu_io |
70 | run_qemu <<EOF | |
71 | { "execute": "qmp_capabilities" } | |
72 | { "execute": "blockdev-add", | |
73 | "arguments": { | |
74 | "driver": "$IMGFMT", | |
75 | "node-name": "n", | |
76 | "file": { | |
77 | "driver": "file", | |
78 | "filename": "$TEST_IMG" | |
79 | } | |
80 | } | |
81 | } | |
82 | { "execute": "block-dirty-bitmap-add", | |
83 | "arguments": { | |
84 | "node": "n", | |
85 | "name": "b", | |
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86 | "persistent": true, |
87 | "granularity": 65536 | |
88 | } | |
89 | } | |
90 | { "execute": "block-dirty-bitmap-add", | |
91 | "arguments": { | |
92 | "node": "n", | |
93 | "name": "b2", | |
94 | "persistent": true, | |
95 | "granularity": 512 | |
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96 | } |
97 | } | |
98 | { "execute": "quit" } | |
99 | EOF | |
100 | ||
101 | echo | |
102 | echo "=== Write part of the file under active bitmap ===" | |
103 | echo | |
104 | ||
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105 | $QEMU_IO -c 'w -P 0x22 512 512' -c 'w -P 0x33 2M 2M' "$TEST_IMG" \ |
106 | | _filter_qemu_io | |
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107 | |
108 | echo | |
a237dea3 | 109 | echo "=== End dirty bitmaps, and start serving image over NBD ===" |
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110 | echo |
111 | ||
506902c6 | 112 | _launch_qemu -object iothread,id=io0 2> >(_filter_nbd) |
a1532a22 | 113 | |
2d2fd674 | 114 | # Intentionally provoke some errors as well, to check error handling |
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115 | silent= |
116 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"qmp_capabilities"}' "return" | |
117 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"blockdev-add", | |
118 | "arguments":{"driver":"qcow2", "node-name":"n", | |
119 | "file":{"driver":"file", "filename":"'"$TEST_IMG"'"}}}' "return" | |
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120 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"x-blockdev-set-iothread", |
121 | "arguments":{"node-name":"n", "iothread":"io0"}}' "return" | |
0e2b7f09 | 122 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"block-dirty-bitmap-disable", |
a1532a22 | 123 | "arguments":{"node":"n", "name":"b"}}' "return" |
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124 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
125 | "arguments":{"device":"n"}}' "error" # Attempt add without server | |
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126 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-start", |
127 | "arguments":{"addr":{"type":"unix", | |
128 | "data":{"path":"'"$TEST_DIR/nbd"'"}}}}' "return" | |
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129 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-start", |
130 | "arguments":{"addr":{"type":"unix", | |
131 | "data":{"path":"'"$TEST_DIR/nbd"1'"}}}}' "error" # Attempt second server | |
ddd09448 | 132 | $QEMU_NBD_PROG -L -k "$TEST_DIR/nbd" |
a1532a22 | 133 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
5fcbeb06 | 134 | "arguments":{"device":"n", "bitmap":"b"}}' "return" |
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135 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
136 | "arguments":{"device":"nosuch"}}' "error" # Attempt to export missing node | |
137 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", | |
138 | "arguments":{"device":"n"}}' "error" # Attempt to export same name twice | |
a237dea3 | 139 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
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140 | "arguments":{"device":"n", "name":"n2", |
141 | "bitmap":"b2"}}' "error" # enabled vs. read-only | |
702aa50d | 142 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
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143 | "arguments":{"device":"n", "name":"n2", |
144 | "bitmap":"b3"}}' "error" # Missing bitmap | |
145 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", | |
146 | "arguments":{"device":"n", "name":"n2", "writable":true, | |
147 | "bitmap":"b2"}}' "return" | |
ddd09448 | 148 | $QEMU_NBD_PROG -L -k "$TEST_DIR/nbd" |
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149 | |
150 | echo | |
a237dea3 | 151 | echo "=== Contrast normal status to large granularity dirty-bitmap ===" |
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152 | echo |
153 | ||
154 | QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT | |
155 | IMG="driver=nbd,export=n,server.type=unix,server.path=$TEST_DIR/nbd" | |
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156 | $QEMU_IO -r -c 'r -P 0x22 512 512' -c 'r -P 0 512k 512k' -c 'r -P 0x11 1m 1m' \ |
157 | -c 'r -P 0x33 2m 2m' --image-opts "$IMG" | _filter_qemu_io | |
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158 | $QEMU_IMG map --output=json --image-opts \ |
159 | "$IMG" | _filter_qemu_img_map | |
160 | $QEMU_IMG map --output=json --image-opts \ | |
161 | "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b" | _filter_qemu_img_map | |
162 | ||
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163 | echo |
164 | echo "=== Contrast to small granularity dirty-bitmap ===" | |
165 | echo | |
166 | ||
167 | IMG="driver=nbd,export=n2,server.type=unix,server.path=$TEST_DIR/nbd" | |
168 | $QEMU_IMG map --output=json --image-opts \ | |
169 | "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map | |
170 | ||
a1532a22 | 171 | echo |
636192c4 | 172 | echo "=== End qemu NBD server ===" |
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173 | echo |
174 | ||
175 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove", | |
176 | "arguments":{"name":"n"}}' "return" | |
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177 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove", |
178 | "arguments":{"name":"n2"}}' "return" | |
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179 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove", |
180 | "arguments":{"name":"n2"}}' "error" # Attempt duplicate clean | |
a1532a22 | 181 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-stop"}' "return" |
7801c3a7 | 182 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-stop"}' "error" # Again |
a1532a22 | 183 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' "return" |
054be360 | 184 | wait=yes _cleanup_qemu |
a1532a22 | 185 | |
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186 | echo |
187 | echo "=== Use qemu-nbd as server ===" | |
188 | echo | |
189 | ||
190 | nbd_server_start_unix_socket -r -f $IMGFMT -B b "$TEST_IMG" | |
191 | IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" | |
192 | $QEMU_IMG map --output=json --image-opts \ | |
193 | "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b" | _filter_qemu_img_map | |
194 | ||
195 | nbd_server_start_unix_socket -f $IMGFMT -B b2 "$TEST_IMG" | |
196 | IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" | |
197 | $QEMU_IMG map --output=json --image-opts \ | |
198 | "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map | |
199 | ||
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200 | # success, all done |
201 | echo '*** done' | |
202 | rm -f $seq.full | |
203 | status=0 |