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 if [ -f /usr/boot/myops_cacert.pem ] ; then
  13         CURL_ARGS="$CURL_ARGS --cacert /usr/boot/myops_cacert.pem"
  14 else
  15         CURL_ARGS="$CURL_ARGS --insecure"
  16 fi
  17
  18 # TODO: add a timeout to eval, that kills children after X seconds
  19 function write_key_command ()
  20 {
  21     key=$1
  22     command=$2
  23     value=`eval $command`
  24     write_key_value "$key" "$value"
  25 }
  26 function write_key_value ()
  27 {
  28     key=$1
  29     value=$2
  30     (
  31         flock -x -w 240 200 2> /dev/null
  32         echo $key : $value >> $LOGFILE
  33     ) 200>/var/lock/myops
  34 }
  35
  36 rm -f $LOGFILE
  37 count=0
  38
  39 while read key colon command ; do
  40         if [[ $colon = ":" ]] ; then
  41                 write_key_command "$key" "$command" &
  42                 count=$(( $count + 1 ))
  43         else
  44                 if [[ $colon = ":=" ]] ; then
  45                         eval $key=`eval $command`
  46                 else if [[ $colon = "()" ]] ; then
  47                         eval "function $key () $command"
  48                      fi
  49                 fi
  50         fi
  51 done < <( curl $CURL_ARGS -s https://IPADDR/PlanetLabConf/input.cfg )
  52
  53 write_key_value "count" "$count"
  54
  55