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