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         $mdadm -Ssq 2> /dev/null
  67         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  68         do
  69             losetup -d /dev/loop$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
  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    #" <-- add this quote to un-confuse vim syntax highlighting
  99   done
 100   path0=$dev6
 101   path1=$dev7
 102
 103   ulimit -c unlimited
 104   [ -f /proc/mdstat ] || modprobe md_mod
 105   echo 2000 > /proc/sys/dev/raid/speed_limit_max
 106   echo 0 > /sys/module/md_mod/parameters/start_ro
 107 }
 108
 109 # mdadm always adds --quiet, and we want to see any unexpected messages
 110 mdadm() {
 111     rm -f $targetdir/stderr
 112     case $* in
 113        *-S* ) udevadm settle;;
 114     esac
 115     case $* in
 116        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 117         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 118     esac
 119     rv=$?
 120     case $* in
 121        *-S* ) udevadm settle;;
 122     esac
 123     cat >&2 $targetdir/stderr
 124     return $rv
 125 }
 126
 127 # check various things
 128 check() {
 129    case $1 in
 130     spares )
 131        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 132        if [ $spares -ne $2 ]
 133        then
 134           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 135        fi
 136       ;;
 137     raid* | linear )
 138       grep -s "active $1 " /proc/mdstat > /dev/null || {
 139                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 140      ;;
 141     resync | recovery | reshape)
 142       sleep 0.5
 143       grep -s $1 /proc/mdstat > /dev/null || {
 144                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 145      ;;
 146
 147      nosync )
 148        sleep 0.5
 149        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 150                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 151        fi
 152      ;;
 153
 154     wait )
 155       sleep 0.1
 156       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
 157       do sleep 2;
 158       done
 159       ;;
 160
 161     state )
 162        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 163                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 164        sleep 0.5
 165       ;;
 166
 167     bitmap )
 168        grep -s bitmap > /dev/null /proc/mdstat || {
 169                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 170       ;;
 171     nobitmap )
 172        if grep -s "bitmap" > /dev/null /proc/mdstat
 173        then
 174                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 175        fi
 176       ;;
 177
 178     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 179    esac
 180 }
 181
 182 no_errors() {
 183   if [ -s $targetdir/stderr ]
 184   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 185   fi
 186 }
 187 # basic device test
 188
 189 testdev() {
 190    udevadm settle
 191    dev=$1
 192    cnt=$2
 193    dvsize=$3
 194    chunk=$4
 195    if [ -z "$5" ]; then
 196       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 197    fi
 198    dsize=$[dvsize/chunk]
 199    dsize=$[dsize*chunk]
 200    rasize=$[dsize*2*cnt]
 201    # rasize is in sectors
 202    if [ -n "$DEV_ROUND_K" ]; then
 203       rasize=$[rasize/DEV_ROUND_K/2]
 204       rasize=$[rasize*DEV_ROUND_K*2]
 205    fi
 206    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 207    _sz=`/sbin/blockdev --getsize $dev`
 208    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 209    then
 210      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 211      exit 1
 212    fi
 213 }
 214
 215 rotest() {
 216   dev=$1
 217   fsck -fn $dev >&2
 218 }
 219
 220 do_test() {
 221   _script=$1
 222   _basename=`basename $_script`
 223   if [ -f "$_script" ]
 224   then
 225     rm -f $targetdir/stderr
 226     # stop all arrays, just incase some script left an array active.
 227     $mdadm -Ssq 2> /dev/null
 228     mdadm --zero $devlist 2> /dev/null
 229     mdadm --zero $devlist 2> /dev/null
 230     # source script in a subshell, so it has access to our
 231     # namespace, but cannot change it.
 232     echo -ne "$_script... "
 233     if ( set -ex ; . $_script ) &> $targetdir/log
 234     then
 235       echo "succeeded"
 236       _fail=0
 237     else
 238       log=log
 239       if [ $exitonerror == 0 ]; then
 240           log=log-`basename $_script`
 241           mv $targetdir/log $targetdir/$log
 242       fi
 243       echo "FAILED - see $targetdir/$log for details"
 244       _fail=1
 245     fi
 246     if [ "$savelogs" == "1" ]; then
 247       cp $targetdir/log $logdir/$_basename.log
 248     fi
 249     if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
 250       exit 1
 251     fi
 252   fi
 253 }
 254
 255 do_help() {
 256   echo "Usage: $0 [options]"
 257   echo " Options:"
 258   echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
 259   echo "    --disable-multipath         Disable any tests involving multipath"
 260   echo "    --disable-integrity         Disable slow tests of RAID[56] consistency"
 261   echo "    --logdir=<directory>        Directory to save logfiles in"
 262   echo "    --save-logs                 Save all logs in <logdir>"
 263   echo "    --keep-going                Don't stop on error, ie. run all tests"
 264   echo "    setup                       Setup test environment and exit"
 265   echo "    cleanup                     Cleanup test environment"
 266   echo "    <prefix>                    Run tests with <prefix>"
 267 }
 268
 269 parse_args() {
 270   for i in $*
 271   do
 272     case $i in
 273     [0-9]*)
 274       prefix=$i
 275       ;;
 276     setup)
 277       echo "mdadm test environment setup"
 278       do_setup
 279       trap 0; exit 0
 280       ;;
 281     cleanup)
 282       cleanup
 283       exit 0
 284       ;;
 285     --tests=*)
 286       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 287       ;;
 288     --logdir=*)
 289       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 290       ;;
 291     --save-logs)
 292       savelogs=1
 293       if [ ! -d $logdir ] ; then
 294         mkdir $logdir
 295         if [ $? -ne 0 ] ; then
 296           exit 1;
 297         fi
 298       fi
 299       ;;
 300     --keep-going | --no-error)
 301       exitonerror=0
 302       ;;
 303     --disable-multipath)
 304       unset MULTIPATH
 305       ;;
 306     --disable-integrity)
 307       unset INTEGRITY
 308       ;;
 309     --help)
 310       do_help
 311       exit 0;
 312       ;;
 313     -*)
 314       echo " $0: Unknown argument: $i"
 315       do_help
 316       exit 0;
 317       ;;
 318     esac
 319 done
 320 }
 321
 322 parse_args $@
 323
 324 do_setup
 325
 326 if [ "$savelogs" == "1" ]; then
 327   echo "Saving logs to $logdir"
 328 fi
 329
 330 if [ "x$TESTLIST" != "x" ]; then
 331   for script in $TESTLIST
 332   do
 333     do_test $testdir/$script
 334   done
 335 else
 336   for script in $testdir/$prefix $testdir/$prefix*[^~]
 337   do
 338     do_test $script
 339   done
 340 fi
 341 exit 0