081 (10027B)
1#!/usr/bin/env bash 2# group: rw quick 3# 4# Test Quorum block driver 5# 6# Copyright (C) 2013 Nodalink, SARL. 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=benoit@irqsave.net 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _rm_test_img "$TEST_DIR/1.raw" 33 _rm_test_img "$TEST_DIR/2.raw" 34 _rm_test_img "$TEST_DIR/3.raw" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41 42_supported_fmt raw 43_supported_proto file 44_supported_os Linux 45_require_drivers quorum 46_require_devices virtio-scsi 47 48do_run_qemu() 49{ 50 echo Testing: "$@" 51 $QEMU -nographic -qmp stdio -serial none "$@" 52 echo 53} 54 55run_qemu() 56{ 57 do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt | _filter_qemu \ 58 | _filter_qmp | _filter_qemu_io \ 59 | _filter_generated_node_ids 60} 61 62quorum="driver=raw,file.driver=quorum,file.vote-threshold=2" 63quorum="$quorum,file.children.0.file.filename=$TEST_DIR/1.raw" 64quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw" 65quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw" 66quorum="$quorum,file.children.0.driver=raw" 67quorum="$quorum,file.children.1.driver=raw" 68quorum="$quorum,file.children.2.driver=raw" 69 70echo 71echo "== creating quorum files ==" 72 73size=10M 74 75TEST_IMG="$TEST_DIR/1.raw" _make_test_img $size 76TEST_IMG="$TEST_DIR/2.raw" _make_test_img $size 77TEST_IMG="$TEST_DIR/3.raw" _make_test_img $size 78 79echo 80echo "== writing images ==" 81 82$QEMU_IO -c "open -o $quorum" -c "write -P 0x32 0 $size" | _filter_qemu_io 83 84echo 85echo "== checking quorum write ==" 86 87$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io 88$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io 89$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/3.raw" | _filter_qemu_io 90 91echo 92echo "== corrupting image ==" 93 94$QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io 95 96echo 97echo "== checking quorum correction ==" 98 99$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io 100 101echo 102echo "== checking mixed reference/option specification ==" 103 104run_qemu <<EOF 105{ "execute": "qmp_capabilities" } 106{ "execute": "blockdev-add", 107 "arguments": { 108 "node-name": "drive2", 109 "driver": "$IMGFMT", 110 "file": { 111 "driver": "file", 112 "filename": "$TEST_DIR/2.raw" 113 } 114 } 115} 116{ "execute": "blockdev-add", 117 "arguments": { 118 "driver": "quorum", 119 "node-name": "drive0-quorum", 120 "vote-threshold": 2, 121 "children": [ 122 { 123 "driver": "$IMGFMT", 124 "file": { 125 "driver": "file", 126 "filename": "$TEST_DIR/1.raw" 127 } 128 }, 129 "drive2", 130 { 131 "driver": "$IMGFMT", 132 "file": { 133 "driver": "file", 134 "filename": "$TEST_DIR/3.raw" 135 } 136 } 137 ] 138 } 139} 140{ "execute": "human-monitor-command", 141 "arguments": { 142 "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"' 143 } 144} 145{ "execute": "quit" } 146EOF 147 148echo 149echo "== using quorum rewrite corrupted mode ==" 150 151quorum="$quorum,file.rewrite-corrupted=on" 152 153$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io 154 155echo 156echo "== checking that quorum has corrected the corrupted file ==" 157 158$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io 159 160echo 161echo "== using quorum rewrite corrupted mode without WRITE permission ==" 162 163# The same as above, but this time, do it on a quorum node whose only 164# parent will not take the WRITE permission 165 166echo '-- corrupting --' 167# Only corrupt a portion: The guest device (scsi-hd on virtio-scsi) 168# will read some data (looking for a partition table to guess the 169# disk's geometry), which would trigger a quorum mismatch if the 170# beginning of the image was corrupted. The subsequent 171# QUORUM_REPORT_BAD event would be suppressed (because at that point, 172# there cannot have been a qmp_capabilities on the monitor). Because 173# that event is rate-limited, the next QUORUM_REPORT_BAD that happens 174# thanks to our qemu-io read (which should trigger a mismatch) would 175# then be delayed past the VM quit and not appear in the output. 176# So we keep the first 1M intact to see a QUORUM_REPORT_BAD resulting 177# from the qemu-io invocation. 178$QEMU_IO -c "write -P 0x42 1M 1M" "$TEST_DIR/2.raw" | _filter_qemu_io 179 180# Fix the corruption (on a read-only quorum node, i.e. without taking 181# the WRITE permission on it -- its child nodes need to be R/W OTOH, 182# so that rewrite-corrupted works) 183echo 184echo '-- running quorum --' 185run_qemu \ 186 -blockdev file,node-name=file1,filename="$TEST_DIR/1.raw" \ 187 -blockdev file,node-name=file2,filename="$TEST_DIR/2.raw" \ 188 -blockdev file,node-name=file3,filename="$TEST_DIR/3.raw" \ 189 -blockdev '{ 190 "driver": "quorum", 191 "node-name": "quorum", 192 "read-only": true, 193 "vote-threshold": 2, 194 "rewrite-corrupted": true, 195 "children": [ "file1", "file2", "file3" ] 196 }' \ 197 -device virtio-scsi,id=scsi \ 198 -device scsi-hd,id=quorum-drive,bus=scsi.0,drive=quorum \ 199 <<EOF 200{ "execute": "qmp_capabilities" } 201{ 202 "execute": "human-monitor-command", 203 "arguments": { 204 "command-line": 'qemu-io -d quorum-drive "read -P 0x32 0 $size"' 205 } 206} 207{ "execute": "quit" } 208EOF 209 210echo '-- checking that the image has been corrected --' 211$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io 212 213echo 214echo "== breaking quorum ==" 215 216$QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io 217$QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io 218 219echo 220echo "== checking that quorum is broken ==" 221 222$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io 223 224echo 225echo "== checking the blkverify mode with broken content ==" 226 227quorum="driver=raw,file.driver=quorum,file.vote-threshold=2,file.blkverify=on" 228quorum="$quorum,file.children.0.file.filename=$TEST_DIR/1.raw" 229quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw" 230quorum="$quorum,file.children.0.driver=raw" 231quorum="$quorum,file.children.1.driver=raw" 232 233$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io 234 235echo 236echo "== writing the same data to both files ==" 237 238$QEMU_IO -c "write -P 0x32 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io 239$QEMU_IO -c "write -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io 240 241echo 242echo "== checking the blkverify mode with valid content ==" 243 244$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io 245 246echo 247echo "== checking the blkverify mode with invalid settings ==" 248 249quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw" 250quorum="$quorum,file.children.2.driver=raw" 251 252$QEMU_IO -c "open -o $quorum" | _filter_qemu_io 253 254echo 255echo "== dynamically adding a child to a quorum ==" 256 257for verify in false true; do 258 run_qemu <<EOF 259 { "execute": "qmp_capabilities" } 260 { "execute": "blockdev-add", 261 "arguments": { 262 "driver": "quorum", 263 "node-name": "drive0-quorum", 264 "vote-threshold": 2, 265 "blkverify": ${verify}, 266 "children": [ 267 { 268 "driver": "$IMGFMT", 269 "file": { 270 "driver": "file", 271 "filename": "$TEST_DIR/1.raw" 272 } 273 }, 274 { 275 "driver": "$IMGFMT", 276 "file": { 277 "driver": "file", 278 "filename": "$TEST_DIR/2.raw" 279 } 280 } 281 ] 282 } 283 } 284 { "execute": "blockdev-add", 285 "arguments": { 286 "node-name": "drive3", 287 "driver": "$IMGFMT", 288 "file": { 289 "driver": "file", 290 "filename": "$TEST_DIR/2.raw" 291 } 292 } 293 } 294 { "execute": "x-blockdev-change", 295 "arguments": { "parent": "drive0-quorum", 296 "node": "drive3" } } 297 { "execute": "quit" } 298EOF 299done 300 301echo 302echo "== dynamically removing a child from a quorum ==" 303 304for verify in false true; do 305 for vote_threshold in 1 2; do 306 run_qemu <<EOF 307 { "execute": "qmp_capabilities" } 308 { "execute": "blockdev-add", 309 "arguments": { 310 "driver": "quorum", 311 "node-name": "drive0-quorum", 312 "vote-threshold": ${vote_threshold}, 313 "blkverify": ${verify}, 314 "children": [ 315 { 316 "driver": "$IMGFMT", 317 "file": { 318 "driver": "file", 319 "filename": "$TEST_DIR/1.raw" 320 } 321 }, 322 { 323 "driver": "$IMGFMT", 324 "file": { 325 "driver": "file", 326 "filename": "$TEST_DIR/2.raw" 327 } 328 } 329 ] 330 } 331 } 332 { "execute": "x-blockdev-change", 333 "arguments": { "parent": "drive0-quorum", 334 "child": "children.1" } } 335 { "execute": "quit" } 336EOF 337 done 338done 339 340# success, all done 341echo "*** done" 342rm -f $seq.full 343status=0