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