lustre/tests/run_tar.sh

   1 #!/bin/bash
   2 set -x
   3
   4 TMP=${TMP:-/tmp}
   5
   6 TESTSUITELOG=${TESTSUITELOG:-$TMP/recovery-mds-scale}
   7 LOG=${TESTSUITELOG}_$(basename $0)-$(hostname)
   8 DEBUGLOG=${LOG}.debug
   9
  10 mkdir -p ${LOG%/*}
  11
  12 rm -f $LOG $DEBUGLOG
  13 exec 2>$DEBUGLOG
  14
  15 if [ -z "$MOUNT" -o -z "$END_RUN_FILE" -o -z "$LOAD_PID_FILE" ]; then
  16     echo "The following must be set: MOUNT END_RUN_FILE LOAD_PID_FILE"
  17     exit 1
  18 fi
  19
  20 echoerr () { echo "$@" 1>&2 ; }
  21
  22 signaled() {
  23     echoerr "$(date +'%F %H:%M:%S'): client load was signaled to terminate"
  24     kill -TERM -$PPID
  25     sleep 5
  26     kill -KILL -$PPID
  27 }
  28
  29 trap signaled TERM
  30
  31 # recovery-mds-scale uses this to signal the client loads to die
  32 echo $$ >$LOAD_PID_FILE
  33
  34 TESTDIR=$MOUNT/d0.tar-$(hostname)
  35
  36 CONTINUE=true
  37 while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
  38     echoerr "$(date +'%F %H:%M:%S'): tar run starting"
  39     mkdir -p $TESTDIR
  40     cd $TESTDIR
  41     tar cf - /etc | tar xf - 2>&1 | tee $LOG &
  42     load_pid=$!
  43 ps -e f -o "pid ppid pgrp comm" >$TMP/client-load.ps-list
  44     wait $load_pid
  45     RC=${PIPESTATUS[0]}
  46     PREV_ERRORS=$(grep "exit delayed from previous errors" $LOG) || true
  47     if [ $RC -ne 0 -a "$ERRORS_OK" -a "$PREV_ERRORS" ]; then
  48         echoerr "$(date +'%F %H:%M:%S'): tar errors earlier, ignoring"
  49         RC=0
  50     fi
  51     if [ $RC -eq 0 ]; then
  52         echoerr "$(date +'%F %H:%M:%S'): tar succeeded"
  53         cd $TMP
  54         rm -rf $TESTDIR
  55         echoerr "$(date +'%F %H:%M:%S'): tar run finished"
  56     else
  57         echoerr "$(date +'%F %H:%M:%S'): tar failed"
  58         if [ -z "$ERRORS_OK" ]; then
  59             echo $(hostname) >> $END_RUN_FILE
  60         fi
  61         if [ $BREAK_ON_ERROR ]; then
  62             # break
  63             CONTINUE=false
  64         fi
  65     fi
  66 done
  67
  68 echoerr "$(date +'%F %H:%M:%S'): tar run exiting"