test

   1 #!/bin/bash
   2 #
   3 # run test suite for mdadm
   4 user=`id -un`
   5 if [ " $user" != " root" ]
   6 then echo >&2 "test: testing can only be done as 'root'."
   7      exit 1;
   8 fi
   9
  10 prefix='[0-9][0-9]'
  11
  12 dir=`pwd`
  13 mdadm=$dir/mdadm
  14 if [ \! -x $mdadm ]
  15 then
  16    echo >&2 "test: $mdadm isn't usable."
  17 fi
  18
  19 testdir="tests"
  20 logdir="$testdir/logs"
  21 logsave=0
  22 exitonerror=1
  23
  24 echo "Testing on linux-$(uname -r) kernel"
  25
  26 # Check whether to run multipath tests
  27 modprobe multipath 2> /dev/null
  28 if grep -s 'Personalities : .*multipath' > /dev/null /proc/mdstat ; then
  29     MULTIPATH="yes"
  30 fi
  31 INTEGRITY=yes
  32
  33 # assume md0, md1, md2 exist in /dev
  34 md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
  35 mdp0=/dev/md_d0
  36 mdp1=/dev/md_d1
  37
  38 # We test mdadm on loop-back block devices.
  39 # dir for storing files should be settable by command line maybe
  40 targetdir=/var/tmp
  41 size=20000
  42 # super0, round down to multiple of 64 and substract 64
  43 mdsize0=19904
  44 # super00 is nested, subtract 128
  45 mdsize00=19840
  46 # super1.0 round down to multiple of 2, subtract 8
  47 mdsize1=19992
  48 mdsize1a=19988
  49 mdsize12=19988
  50 # super1.2 for linear: round to multiple of 2, subtract 4
  51 mdsize1_l=19996
  52 mdsize2_l=19996
  53 # subtract another 4 for bitmaps
  54 mdsize1b=19988
  55 mdsize11=19992
  56 mdsize11a=19456
  57 mdsize12=19988
  58
  59 # ddf needs bigger devices as 32Meg is reserved!
  60 ddfsize=65536
  61
  62 config=/tmp/mdadm.conf
  63
  64 cleanup() {
  65         udevadm settle
  66         $mdadm -Ssq 2> /dev/null
  67         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
  68         do
  69             losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  70             rm -f /dev/disk/by-path/loop*
  71         done
  72 }
  73
  74 ctrl_c() {
  75         exitonerror=1
  76 }
  77
  78 do_setup() {
  79   trap cleanup 0 1 3 15
  80   trap ctrl_c 2
  81
  82   devlist=
  83   for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
  84   do
  85     sz=$size
  86     if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  87     [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  88     [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  89     if [ $d -eq 7 ]
  90     then
  91       losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  92     else
  93       losetup /dev/loop$d $targetdir/mdtest$d
  94     fi
  95     eval dev$d=/dev/loop$d
  96     eval file$d=$targetdir/mdtest$d
  97     eval devlist=\"\$devlist \$dev$d\"
  98     eval devlist$d=\"\$devlist\"
  99    #" <-- add this quote to un-confuse vim syntax highlighting
 100   done
 101   path0=$dev6
 102   path1=$dev7
 103
 104   ulimit -c unlimited
 105   [ -f /proc/mdstat ] || modprobe md_mod
 106   echo 2000 > /proc/sys/dev/raid/speed_limit_max
 107   echo 0 > /sys/module/md_mod/parameters/start_ro
 108 }
 109
 110 # mdadm always adds --quiet, and we want to see any unexpected messages
 111 mdadm() {
 112     rm -f $targetdir/stderr
 113     case $* in
 114        *-S* ) udevadm settle;;
 115     esac
 116     case $* in
 117        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 118         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 119     esac
 120     rv=$?
 121     case $* in
 122        *-S* ) udevadm settle;;
 123     esac
 124     cat >&2 $targetdir/stderr
 125     return $rv
 126 }
 127
 128 # check various things
 129 check() {
 130    case $1 in
 131     spares )
 132        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 133        if [ $spares -ne $2 ]
 134        then
 135           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 136        fi
 137       ;;
 138     raid* | linear )
 139       grep -s "active $1 " /proc/mdstat > /dev/null || {
 140                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 141      ;;
 142     algorithm )
 143       grep -s " algorithm $2 " /proc/mdstat > /dev/null || {
 144           echo >&2 "ERROR algorithm $2 not found"; cat /proc/mdstat; exit 1;}
 145      ;;
 146     resync | recovery | reshape)
 147       sleep 0.5
 148       grep -s $1 /proc/mdstat > /dev/null || {
 149                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 150      ;;
 151
 152      nosync )
 153        sleep 0.5
 154        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 155                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 156        fi
 157      ;;
 158
 159     wait )
 160       p=`cat /proc/sys/dev/raid/speed_limit_max`
 161       echo 2000000 > /proc/sys/dev/raid/speed_limit_max
 162       sleep 0.1
 163       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
 164       do sleep 0.5;
 165       done
 166       echo $p > /proc/sys/dev/raid/speed_limit_max
 167       ;;
 168
 169     state )
 170        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 171                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 172        sleep 0.5
 173       ;;
 174
 175     bitmap )
 176        grep -s bitmap > /dev/null /proc/mdstat || {
 177                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 178       ;;
 179     nobitmap )
 180        if grep -s "bitmap" > /dev/null /proc/mdstat
 181        then
 182                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 183        fi
 184       ;;
 185
 186     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 187    esac
 188 }
 189
 190 no_errors() {
 191   if [ -s $targetdir/stderr ]
 192   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 193   fi
 194 }
 195 # basic device test
 196
 197 testdev() {
 198    udevadm settle
 199    dev=$1
 200    cnt=$2
 201    dvsize=$3
 202    chunk=$4
 203    if [ -z "$5" ]; then
 204       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 205    fi
 206    dsize=$[dvsize/chunk]
 207    dsize=$[dsize*chunk]
 208    rasize=$[dsize*2*cnt]
 209    # rasize is in sectors
 210    if [ -n "$DEV_ROUND_K" ]; then
 211       rasize=$[rasize/DEV_ROUND_K/2]
 212       rasize=$[rasize*DEV_ROUND_K*2]
 213    fi
 214    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 215    _sz=`/sbin/blockdev --getsize $dev`
 216    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 217    then
 218      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 219      exit 1
 220    fi
 221 }
 222
 223 fast_sync() {
 224   echo 200000 > /proc/sys/dev/raid/speed_limit_max
 225 }
 226
 227 rotest() {
 228   dev=$1
 229   fsck -fn $dev >&2
 230 }
 231
 232 do_test() {
 233   _script=$1
 234   _basename=`basename $_script`
 235   if [ -f "$_script" ]
 236   then
 237     rm -f $targetdir/stderr
 238     # stop all arrays, just incase some script left an array active.
 239     $mdadm -Ssq 2> /dev/null
 240     mdadm --zero $devlist 2> /dev/null
 241     mdadm --zero $devlist 2> /dev/null
 242     # this might have been reset: restore the default.
 243     echo 2000 > /proc/sys/dev/raid/speed_limit_max
 244     # source script in a subshell, so it has access to our
 245     # namespace, but cannot change it.
 246     echo -ne "$_script... "
 247     if ( set -ex ; . $_script ) &> $targetdir/log
 248     then
 249       echo "succeeded"
 250       _fail=0
 251     else
 252       log=log
 253       cat $targetdir/stderr >> $targetdir/log
 254       if [ $exitonerror == 0 ]; then
 255           log=log-`basename $_script`
 256           mv $targetdir/log $targetdir/$log
 257       fi
 258       echo "FAILED - see $targetdir/$log for details"
 259       _fail=1
 260     fi
 261     if [ "$savelogs" == "1" ]; then
 262       cp $targetdir/log $logdir/$_basename.log
 263     fi
 264     if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
 265       exit 1
 266     fi
 267   fi
 268 }
 269
 270 do_help() {
 271   echo "Usage: $0 [options]"
 272   echo " Options:"
 273   echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
 274   echo "    --disable-multipath         Disable any tests involving multipath"
 275   echo "    --disable-integrity         Disable slow tests of RAID[56] consistency"
 276   echo "    --logdir=<directory>        Directory to save logfiles in"
 277   echo "    --save-logs                 Save all logs in <logdir>"
 278   echo "    --keep-going                Don't stop on error, ie. run all tests"
 279   echo "    setup                       Setup test environment and exit"
 280   echo "    cleanup                     Cleanup test environment"
 281   echo "    <prefix>                    Run tests with <prefix>"
 282 }
 283
 284 parse_args() {
 285   for i in $*
 286   do
 287     case $i in
 288     [0-9]*)
 289       prefix=$i
 290       ;;
 291     setup)
 292       echo "mdadm test environment setup"
 293       do_setup
 294       trap 0; exit 0
 295       ;;
 296     cleanup)
 297       cleanup
 298       exit 0
 299       ;;
 300     --tests=*)
 301       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 302       ;;
 303     --logdir=*)
 304       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 305       ;;
 306     --save-logs)
 307       savelogs=1
 308       if [ ! -d $logdir ] ; then
 309         mkdir $logdir
 310         if [ $? -ne 0 ] ; then
 311           exit 1;
 312         fi
 313       fi
 314       ;;
 315     --keep-going | --no-error)
 316       exitonerror=0
 317       ;;
 318     --disable-multipath)
 319       unset MULTIPATH
 320       ;;
 321     --disable-integrity)
 322       unset INTEGRITY
 323       ;;
 324     --help)
 325       do_help
 326       exit 0;
 327       ;;
 328     -*)
 329       echo " $0: Unknown argument: $i"
 330       do_help
 331       exit 0;
 332       ;;
 333     esac
 334 done
 335 }
 336
 337 parse_args $@
 338
 339 do_setup
 340
 341 if [ "$savelogs" == "1" ]; then
 342   echo "Saving logs to $logdir"
 343 fi
 344
 345 if [ "x$TESTLIST" != "x" ]; then
 346   for script in $TESTLIST
 347   do
 348     do_test $testdir/$script
 349   done
 350 else
 351   for script in $testdir/$prefix $testdir/$prefix*[^~]
 352   do
 353     do_test $script
 354   done
 355 fi
 356 exit 0