1#!/usr/bin/env bash 2# group: rw auto quick 3# 4# Test case for the QMP blkdebug and blkverify interfaces 5# 6# Copyright (C) 2013 Red Hat, Inc. 7# 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <http://www.gnu.org/licenses/>. 20# 21 22# creator 23owner=hreitz@redhat.com 24 25seq="$(basename $0)" 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39 40_supported_fmt qcow2 41_supported_proto file fuse 42_require_drivers blkdebug blkverify 43# blkdebug can only inject errors on bs->file, not on the data_file, 44# so this test does not work with external data files 45_unsupported_imgopts data_file 46 47do_run_qemu() 48{ 49 echo Testing: "$@" | _filter_imgfmt 50 $QEMU -nographic -qmp stdio -serial none "$@" 51 echo 52} 53 54run_qemu() 55{ 56 do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | _filter_qemu_io 57} 58 59IMG_SIZE=64M 60 61echo 62echo "=== Testing blkverify through filename ===" 63echo 64 65# _make_test_img may set variables that we need to retain. Everything 66# in a pipe is executed in a subshell, so doing so would throw away 67# all changes. Therefore, we have to store the output in some temp 68# file and filter that. 69scratch_out="$TEST_DIR/img-create.out" 70 71TEST_IMG="$TEST_IMG.base" IMGFMT="raw" _make_test_img --no-opts $IMG_SIZE \ 72 >"$scratch_out" 73_filter_imgfmt <"$scratch_out" 74rm -f "$scratch_out" 75 76_make_test_img $IMG_SIZE 77$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \ 78 -c 'read 0 512' -c 'write -P 42 0x38000 512' -c 'read -P 42 0x38000 512' | _filter_qemu_io 79 80$QEMU_IO -c 'write -P 42 0 512' "$TEST_IMG" | _filter_qemu_io 81 82$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \ 83 -c 'read -P 42 0 512' | _filter_qemu_io 84 85echo 86echo "=== Testing blkverify through file blockref ===" 87echo 88 89TEST_IMG="$TEST_IMG.base" IMGFMT="raw" _make_test_img --no-opts $IMG_SIZE \ 90 >"$scratch_out" 91_filter_imgfmt <"$scratch_out" 92 93_make_test_img $IMG_SIZE 94$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base,file.test.driver=$IMGFMT,file.test.file.filename=$TEST_IMG" \ 95 -c 'read 0 512' -c 'write -P 42 0x38000 512' -c 'read -P 42 0x38000 512' | _filter_qemu_io 96 97$QEMU_IO -c 'write -P 42 0 512' "$TEST_IMG" | _filter_qemu_io 98 99$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \ 100 -c 'read -P 42 0 512' | _filter_qemu_io 101 102echo 103echo "=== Testing blkdebug through filename ===" 104echo 105 106$QEMU_IO -c "open -o file.driver=blkdebug,file.inject-error.event=l2_load $TEST_IMG" \ 107 -c 'read -P 42 0x38000 512' 108 109echo 110echo "=== Testing blkdebug through file blockref ===" 111echo 112 113$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=blkdebug,file.inject-error.event=l2_load,file.image.filename=$TEST_IMG" \ 114 -c 'read -P 42 0x38000 512' 115 116echo 117echo "=== Testing blkdebug on existing block device ===" 118echo 119 120run_qemu <<EOF 121{ "execute": "qmp_capabilities" } 122{ "execute": "blockdev-add", 123 "arguments": { 124 "node-name": "drive0", 125 "driver": "file", 126 "filename": "$TEST_IMG" 127 } 128} 129{ "execute": "blockdev-add", 130 "arguments": { 131 "driver": "$IMGFMT", 132 "node-name": "drive0-debug", 133 "file": { 134 "driver": "blkdebug", 135 "image": "drive0", 136 "inject-error": [{ 137 "event": "l2_load" 138 }] 139 } 140 } 141} 142{ "execute": "human-monitor-command", 143 "arguments": { 144 "command-line": 'qemu-io drive0-debug "read 0 512"' 145 } 146} 147{ "execute": "quit" } 148EOF 149 150echo 151echo "=== Testing blkverify on existing block device ===" 152echo 153 154run_qemu <<EOF 155{ "execute": "qmp_capabilities" } 156{ "execute": "blockdev-add", 157 "arguments": { 158 "node-name": "drive0", 159 "driver": "$IMGFMT", 160 "file": { 161 "driver": "file", 162 "filename": "$TEST_IMG" 163 } 164 } 165} 166{ "execute": "blockdev-add", 167 "arguments": { 168 "driver": "blkverify", 169 "node-name": "drive0-verify", 170 "test": "drive0", 171 "raw": { 172 "driver": "file", 173 "filename": "$TEST_IMG.base" 174 } 175 } 176} 177{ "execute": "human-monitor-command", 178 "arguments": { 179 "command-line": 'qemu-io drive0-verify "read 0 512"' 180 } 181} 182{ "execute": "quit" } 183EOF 184 185echo 186echo "=== Testing blkverify on existing raw block device ===" 187echo 188 189run_qemu <<EOF 190{ "execute": "qmp_capabilities" } 191{ "execute": "blockdev-add", 192 "arguments": { 193 "node-name": "drive0", 194 "driver": "file", 195 "filename": "$TEST_IMG.base" 196 } 197} 198{ "execute": "blockdev-add", 199 "arguments": { 200 "driver": "blkverify", 201 "node-name": "drive0-verify", 202 "test": { 203 "driver": "$IMGFMT", 204 "file": { 205 "driver": "file", 206 "filename": "$TEST_IMG" 207 } 208 }, 209 "raw": "drive0" 210 } 211} 212{ "execute": "human-monitor-command", 213 "arguments": { 214 "command-line": 'qemu-io drive0-verify "read 0 512"' 215 } 216} 217{ "execute": "quit" } 218EOF 219 220echo 221echo "=== Testing blkdebug's set-state through QMP ===" 222echo 223 224run_qemu <<EOF 225{ "execute": "qmp_capabilities" } 226{ "execute": "blockdev-add", 227 "arguments": { 228 "node-name": "drive0", 229 "driver": "file", 230 "filename": "$TEST_IMG" 231 } 232} 233{ "execute": "blockdev-add", 234 "arguments": { 235 "driver": "$IMGFMT", 236 "node-name": "drive0-debug", 237 "file": { 238 "driver": "blkdebug", 239 "image": "drive0", 240 "inject-error": [{ 241 "event": "read_aio", 242 "state": 42 243 }], 244 "set-state": [{ 245 "event": "write_aio", 246 "new_state": 42 247 }] 248 } 249 } 250} 251{ "execute": "human-monitor-command", 252 "arguments": { 253 "command-line": 'qemu-io drive0-debug "read 0 512"' 254 } 255} 256{ "execute": "human-monitor-command", 257 "arguments": { 258 "command-line": 'qemu-io drive0-debug "write 0 512"' 259 } 260} 261{ "execute": "human-monitor-command", 262 "arguments": { 263 "command-line": 'qemu-io drive0-debug "read 0 512"' 264 } 265} 266{ "execute": "quit" } 267EOF 268 269# success, all done 270echo "*** done" 271rm -f $seq.full 272status=0 273