test

   1 #!/bin/sh
   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 trap cleanup 0 1 2 3 15
  72
  73 devlist=
  74 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  75 do
  76    sz=$size
  77    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  78    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  79    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  80    if [ $d -eq 7 ]
  81    then
  82      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  83    else
  84      losetup /dev/loop$d $targetdir/mdtest$d
  85    fi
  86    eval dev$d=/dev/loop$d
  87    eval file$d=$targetdir/mdtest$d
  88    eval devlist=\"\$devlist \$dev$d\"
  89    #" <-- add this quote to un-confuse vim syntax highlighting
  90 done
  91 path0=$dev6
  92 path1=$dev7
  93
  94 ulimit -c unlimited
  95 [ -f /proc/mdstat ] || modprobe md_mod
  96 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  97 echo 0 > /sys/module/md_mod/parameters/start_ro
  98
  99 # mdadm always adds --quiet, and we want to see any unexpected messages
 100 mdadm() {
 101     rm -f $targetdir/stderr
 102     case $* in
 103        *-S* ) udevadm settle;;
 104     esac
 105     case $* in
 106        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 107         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 108     esac
 109     rv=$?
 110     case $* in
 111        *-S* ) udevadm settle;;
 112     esac
 113     cat >&2 $targetdir/stderr
 114     return $rv
 115 }
 116
 117 # check various things
 118 check() {
 119    case $1 in
 120     spares )
 121        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 122        if [ $spares -ne $2 ]
 123        then
 124           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 125        fi
 126       ;;
 127     raid* | linear )
 128       grep -s "active $1 " /proc/mdstat > /dev/null || {
 129                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 130      ;;
 131     resync | recovery | reshape)
 132       sleep 0.5
 133       grep -s $1 /proc/mdstat > /dev/null || {
 134                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 135      ;;
 136
 137      nosync )
 138        sleep 0.5
 139        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 140                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 141        fi
 142      ;;
 143
 144     wait )
 145       sleep 0.1
 146       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
 147       do sleep 2;
 148       done
 149       ;;
 150
 151     state )
 152        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 153                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 154        sleep 0.5
 155       ;;
 156
 157     bitmap )
 158        grep -s bitmap > /dev/null /proc/mdstat || {
 159                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 160       ;;
 161     nobitmap )
 162        if grep -s "bitmap" > /dev/null /proc/mdstat
 163        then
 164                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 165        fi
 166       ;;
 167
 168     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 169    esac
 170 }
 171
 172 no_errors() {
 173   if [ -s $targetdir/stderr ]
 174   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 175   fi
 176 }
 177 # basic device test
 178
 179 testdev() {
 180    udevadm settle
 181    dev=$1
 182    cnt=$2
 183    dvsize=$3
 184    chunk=$4
 185    if [ -z "$5" ]; then
 186       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 187    fi
 188    dsize=$[dvsize/chunk]
 189    dsize=$[dsize*chunk]
 190    rasize=$[dsize*2*cnt]
 191    # rasize is in sectors
 192    if [ -n "$DEV_ROUND_K" ]; then
 193       rasize=$[rasize/DEV_ROUND_K/2]
 194       rasize=$[rasize*DEV_ROUND_K*2]
 195    fi
 196    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 197    _sz=`/sbin/blockdev --getsize $dev`
 198    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 199    then
 200      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 201      exit 1
 202    fi
 203 }
 204
 205 rotest() {
 206   dev=$1
 207   fsck -fn $dev >&2
 208 }
 209
 210 do_test() {
 211   _script=$1
 212   _basename=`basename $_script`
 213   if [ -f "$_script" ]
 214   then
 215     rm -f $targetdir/stderr
 216     # stop all arrays, just incase some script left an array active.
 217     $mdadm -Ssq 2> /dev/null
 218     mdadm --zero $devlist 2> /dev/null
 219     mdadm --zero $devlist 2> /dev/null
 220     # source script in a subshell, so it has access to our
 221     # namespace, but cannot change it.
 222     echo -ne "$_script... "
 223     if ( set -ex ; . $_script )  2> $targetdir/log
 224     then
 225       echo "succeeded"
 226       _fail=0
 227     else
 228       echo "FAILED - see $targetdir/log for details"
 229       _fail=1
 230     fi
 231     if [ "$savelogs" == "1" ]; then
 232       cp $targetdir/log $logdir/$_basename.log
 233     fi
 234     if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
 235       exit 1
 236     fi
 237   fi
 238 }
 239
 240 do_help() {
 241   echo "Usage: $0 [options]"
 242   echo " Options:"
 243   echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
 244   echo "    --disable-multipath         Disable any tests involving multipath"
 245   echo "    --logdir=<directory>        Directory to save logfiles in"
 246   echo "    --save-logs                 Save all logs in <logdir>"
 247   echo "    --no-error                  Don't stop on error, ie. run all tests"
 248   echo "    setup                       Setup test environment and exit"
 249   echo "    <prefix>                    Run tests with <prefix>"
 250 }
 251
 252 parse_args() {
 253   for i in $*
 254   do
 255     case $i in
 256     [0-9]*)
 257       prefix=$i
 258       ;;
 259     setup)
 260       echo "mdadm test environment setup"
 261       trap 0; exit 0
 262       ;;
 263     --tests=*)
 264       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 265       ;;
 266     --logdir=*)
 267       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 268       ;;
 269     --save-logs)
 270       savelogs=1
 271       if [ ! -d $logdir ] ; then
 272         mkdir $logdir
 273         if [ $? -ne 0 ] ; then
 274           exit 1;
 275         fi
 276       fi
 277       ;;
 278     --no-error)
 279       exit_on_error=0
 280       ;;
 281     --disable-multipath)
 282       unset MULTIPATH
 283       ;;
 284     --help)
 285       do_help
 286       exit 0;
 287       ;;
 288     -*)
 289       echo " $0: Unknown argument: $i"
 290       do_help
 291       exit 0;
 292       ;;
 293     esac
 294 done
 295 }
 296
 297 parse_args $@
 298
 299 if [ "$savelogs" == "1" ]; then
 300   echo "Saving logs to $logdir"
 301 fi
 302
 303 if [ "x$TESTLIST" != "x" ]; then
 304   for script in $TESTLIST
 305   do
 306     do_test $testdir/$script
 307   done
 308 else
 309   for script in $testdir/$prefix $testdir/$prefix*[^~]
 310   do
 311     do_test $script
 312   done
 313 fi
 314 exit 0