web/collect/client/collect.sh

   1 #!/bin/bash
   2
   3 if [ -f /etc/planetlab/plc_config ]; then
   4         source /etc/planetlab/plc_config
   5 else
   6         PLC_SLICE_PREFIX='pl'
   7 fi
   8 LOGFILE=/home/${PLC_SLICE_PREFIX}_myops/myops.log
   9
  10 cd /home/${PLC_SLICE_PREFIX}_myops
  11
  12 # TODO: add a timeout to eval, that kills children after X seconds
  13 function write_key_command ()
  14 {
  15     key=$1
  16     command=$2
  17     value=`eval $command`
  18     write_key_value "$key" "$value"
  19 }
  20 function write_key_value ()
  21 {
  22     key=$1
  23     value=$2
  24     (
  25         flock -s 200
  26         echo $key : $value >> $LOGFILE
  27     ) 200>/var/lock/myops
  28 }
  29
  30 rm -f $LOGFILE
  31 count=0
  32
  33 while read key colon command ; do
  34         if [[ $colon = ":" ]] ; then
  35                 write_key_command "$key" "$command" &
  36                 count=$(( $count + 1 ))
  37         else
  38                 if [[ $colon = ":=" ]] ; then
  39                         eval $key=`eval $command`
  40                 else if [[ $colon = "()" ]] ; then
  41                         eval "function $key () $command"
  42                      fi
  43                 fi
  44         fi
  45 done < <( curl --silent http://IPADDR/PlanetLabConf/input.cfg )
  46
  47 write_key_value "count" "$count"
  48
  49