lustre/tests/run_tar.sh

   1 #!/bin/bash
   2
   3 TMP=${TMP:-/tmp}
   4
   5 TESTLOG_PREFIX=${TESTLOG_PREFIX:-$TMP/recovery-mds-scale}
   6 TESTNAME=${TESTNAME:-""}
   7 [ -n "$TESTNAME" ] && TESTLOG_PREFIX=$TESTLOG_PREFIX.$TESTNAME
   8
   9 LOG=$TESTLOG_PREFIX.$(basename $0 .sh)_stdout.$(hostname -s).log
  10 DEBUGLOG=$(echo $LOG | sed 's/\(.*\)stdout/\1debug/')
  11
  12 mkdir -p ${LOG%/*}
  13
  14 rm -f $LOG $DEBUGLOG
  15 exec 2>$DEBUGLOG
  16 set -x
  17
  18 . $(dirname $0)/functions.sh
  19
  20 assert_env MOUNT END_RUN_FILE LOAD_PID_FILE LFS CLIENT_COUNT
  21
  22 trap signaled TERM
  23
  24 # recovery-*-scale scripts use this to signal the client loads to die
  25 echo $$ >$LOAD_PID_FILE
  26
  27 TESTDIR=$MOUNT/d0.tar-$(hostname)
  28
  29 do_tar() {
  30     tar cf - /etc | tar xf - >$LOG 2>&1
  31     return ${PIPESTATUS[1]}
  32 }
  33
  34 CONTINUE=true
  35 while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
  36         echoerr "$(date +'%F %H:%M:%S'): tar run starting"
  37         mkdir -p $TESTDIR
  38         USAGE=$(du -s /etc | awk '{print $1}')
  39         FREE_SPACE=$($LFS df $TESTDIR | awk '/filesystem summary:/ {print $5}')
  40         AVAIL=$((FREE_SPACE * 9 / 10 / CLIENT_COUNT))
  41         if [ $AVAIL -lt $USAGE ]; then
  42                 echoerr "no enough free disk space: need $USAGE, avail $AVAIL"
  43                 echo $(hostname) >> $END_RUN_FILE
  44                 break
  45         fi
  46
  47         cd $TESTDIR
  48         do_tar &
  49         wait $!
  50         RC=$?
  51         PREV_ERRORS=$(grep "exit delayed from previous errors" $LOG) || true
  52         if [ $RC -ne 0 -a "$ERRORS_OK" -a "$PREV_ERRORS" ]; then
  53                 echoerr "$(date +'%F %H:%M:%S'): tar errors earlier, ignoring"
  54                 RC=0
  55         fi
  56         if [ $RC -eq 0 ]; then
  57                 echoerr "$(date +'%F %H:%M:%S'): tar succeeded"
  58                 cd $TMP
  59                 rm -rf $TESTDIR
  60                 echoerr "$(date +'%F %H:%M:%S'): tar run finished"
  61         else
  62                 echoerr "$(date +'%F %H:%M:%S'): tar failed"
  63                 if [ -z "$ERRORS_OK" ]; then
  64                         echo $(hostname) >> $END_RUN_FILE
  65                 fi
  66                 if [ $BREAK_ON_ERROR ]; then
  67                         # break
  68                         CONTINUE=false
  69                 fi
  70         fi
  71 done
  72
  73 echoerr "$(date +'%F %H:%M:%S'): tar run exiting"