1#!/usr/bin/env bash 2# 3# Test case for the QMP blkdebug and blkverify interfaces 4# 5# Copyright (C) 2013 Red Hat, Inc. 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# creator 22owner=mreitz@redhat.com 23 24seq="$(basename $0)" 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32} 33trap "_cleanup; exit \$status" 0 1 2 3 15 34 35# get standard environment, filters and checks 36. ./common.rc 37. ./common.filter 38 39_supported_fmt qcow2 40_supported_proto file fuse 41_require_drivers blkdebug blkverify 42# blkdebug can only inject errors on bs->file, not on the data_file, 43# so thie test does not work with external data files 44_unsupported_imgopts data_file 45 46do_run_qemu() 47{ 48 echo Testing: "$@" | _filter_imgfmt 49 $QEMU -nographic -qmp stdio -serial none "$@" 50 echo 51} 52 53run_qemu() 54{ 55 do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | _filter_qemu_io 56} 57 58IMG_SIZE=64M 59 60echo 61echo "=== Testing blkverify through filename ===" 62echo 63 64# _make_test_img may set variables that we need to retain. Everything 65# in a pipe is executed in a subshell, so doing so would throw away 66# all changes. Therefore, we have to store the output in some temp 67# file and filter that. 68scratch_out="$TEST_DIR/img-create.out" 69 70TEST_IMG="$TEST_IMG.base" IMGFMT="raw" _make_test_img --no-opts $IMG_SIZE \ 71 >"$scratch_out" 72_filter_imgfmt <"$scratch_out" 73rm -f "$scratch_out" 74 75_make_test_img $IMG_SIZE 76$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \ 77 -c 'read 0 512' -c 'write -P 42 0x38000 512' -c 'read -P 42 0x38000 512' | _filter_qemu_io 78 79$QEMU_IO -c 'write -P 42 0 512' "$TEST_IMG" | _filter_qemu_io 80 81$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \ 82 -c 'read -P 42 0 512' | _filter_qemu_io 83 84echo 85echo "=== Testing blkverify through file blockref ===" 86echo 87 88TEST_IMG="$TEST_IMG.base" IMGFMT="raw" _make_test_img --no-opts $IMG_SIZE \ 89 >"$scratch_out" 90_filter_imgfmt <"$scratch_out" 91 92_make_test_img $IMG_SIZE 93$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base,file.test.driver=$IMGFMT,file.test.file.filename=$TEST_IMG" \ 94 -c 'read 0 512' -c 'write -P 42 0x38000 512' -c 'read -P 42 0x38000 512' | _filter_qemu_io 95 96$QEMU_IO -c 'write -P 42 0 512' "$TEST_IMG" | _filter_qemu_io 97 98$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \ 99 -c 'read -P 42 0 512' | _filter_qemu_io 100 101echo 102echo "=== Testing blkdebug through filename ===" 103echo 104 105$QEMU_IO -c "open -o file.driver=blkdebug,file.inject-error.event=l2_load $TEST_IMG" \ 106 -c 'read -P 42 0x38000 512' 107 108echo 109echo "=== Testing blkdebug through file blockref ===" 110echo 111 112$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=blkdebug,file.inject-error.event=l2_load,file.image.filename=$TEST_IMG" \ 113 -c 'read -P 42 0x38000 512' 114 115echo 116echo "=== Testing blkdebug on existing block device ===" 117echo 118 119run_qemu <<EOF 120{ "execute": "qmp_capabilities" } 121{ "execute": "blockdev-add", 122 "arguments": { 123 "node-name": "drive0", 124 "driver": "file", 125 "filename": "$TEST_IMG" 126 } 127} 128{ "execute": "blockdev-add", 129 "arguments": { 130 "driver": "$IMGFMT", 131 "node-name": "drive0-debug", 132 "file": { 133 "driver": "blkdebug", 134 "image": "drive0", 135 "inject-error": [{ 136 "event": "l2_load" 137 }] 138 } 139 } 140} 141{ "execute": "human-monitor-command", 142 "arguments": { 143 "command-line": 'qemu-io drive0-debug "read 0 512"' 144 } 145} 146{ "execute": "quit" } 147EOF 148 149echo 150echo "=== Testing blkverify on existing block device ===" 151echo 152 153run_qemu <<EOF 154{ "execute": "qmp_capabilities" } 155{ "execute": "blockdev-add", 156 "arguments": { 157 "node-name": "drive0", 158 "driver": "$IMGFMT", 159 "file": { 160 "driver": "file", 161 "filename": "$TEST_IMG" 162 } 163 } 164} 165{ "execute": "blockdev-add", 166 "arguments": { 167 "driver": "blkverify", 168 "node-name": "drive0-verify", 169 "test": "drive0", 170 "raw": { 171 "driver": "file", 172 "filename": "$TEST_IMG.base" 173 } 174 } 175} 176{ "execute": "human-monitor-command", 177 "arguments": { 178 "command-line": 'qemu-io drive0-verify "read 0 512"' 179 } 180} 181{ "execute": "quit" } 182EOF 183 184echo 185echo "=== Testing blkverify on existing raw block device ===" 186echo 187 188run_qemu <<EOF 189{ "execute": "qmp_capabilities" } 190{ "execute": "blockdev-add", 191 "arguments": { 192 "node-name": "drive0", 193 "driver": "file", 194 "filename": "$TEST_IMG.base" 195 } 196} 197{ "execute": "blockdev-add", 198 "arguments": { 199 "driver": "blkverify", 200 "node-name": "drive0-verify", 201 "test": { 202 "driver": "$IMGFMT", 203 "file": { 204 "driver": "file", 205 "filename": "$TEST_IMG" 206 } 207 }, 208 "raw": "drive0" 209 } 210} 211{ "execute": "human-monitor-command", 212 "arguments": { 213 "command-line": 'qemu-io drive0-verify "read 0 512"' 214 } 215} 216{ "execute": "quit" } 217EOF 218 219echo 220echo "=== Testing blkdebug's set-state through QMP ===" 221echo 222 223run_qemu <<EOF 224{ "execute": "qmp_capabilities" } 225{ "execute": "blockdev-add", 226 "arguments": { 227 "node-name": "drive0", 228 "driver": "file", 229 "filename": "$TEST_IMG" 230 } 231} 232{ "execute": "blockdev-add", 233 "arguments": { 234 "driver": "$IMGFMT", 235 "node-name": "drive0-debug", 236 "file": { 237 "driver": "blkdebug", 238 "image": "drive0", 239 "inject-error": [{ 240 "event": "read_aio", 241 "state": 42 242 }], 243 "set-state": [{ 244 "event": "write_aio", 245 "new_state": 42 246 }] 247 } 248 } 249} 250{ "execute": "human-monitor-command", 251 "arguments": { 252 "command-line": 'qemu-io drive0-debug "read 0 512"' 253 } 254} 255{ "execute": "human-monitor-command", 256 "arguments": { 257 "command-line": 'qemu-io drive0-debug "write 0 512"' 258 } 259} 260{ "execute": "human-monitor-command", 261 "arguments": { 262 "command-line": 'qemu-io drive0-debug "read 0 512"' 263 } 264} 265{ "execute": "quit" } 266EOF 267 268# success, all done 269echo "*** done" 270rm -f $seq.full 271status=0 272