#!/bin/bash
# Esegue il qsub di un job che lancia un vnc server.
# Se ok ritorna valore 0 e in stdout stampa i valori di connessione
# jid:<job identifier>
# node:<nodo destinazione del job>
# vnc:<display ottenuto del server>
# Se non ok torna valore <> 0 e stampa in stdout un msg di errore

jid=$(qsub -o ~/crv/rubbish/ -e ~/crv/rubbish/ ~/crv/lenta1.qsub) ; res=$?
j=${jid%%.*}
if [[ $res -ne 0 ]] ; then
  echo "ERR: comando qsub non funzia"
  exit 1
fi
#sleep 1
q=$(qstat -f $jid )
state=$(echo "$q" | grep job_state | awk 'BEGIN{FS=" = "}{print $2}')
echo $state | grep -q 'R' ; res=$?
COUNTER=0
while [[ $res -ne 0 ]]; do 
  sleep 1
  q=$(qstat -f $jid )
  state=$(echo "$q" | grep job_state | awk 'BEGIN{FS=" = "}{print $2}');
  echo $state | grep -q 'R' ; res=$?
  echo " Waiting... "  
  let COUNTER=COUNTER+1 
  if [[ ${COUNTER} -gt 30 ]]; then
     qdel $jid
     exit 1
  fi
done

echo $state | grep -q 'R' ; res=$?
if [[ $res -ne 0 ]] ; then
  echo "ERR: job $jid non diventa running"
  echo " I kill it! "
  qdel $jid
  exit 1
fi
node=$(echo "$q" | grep exec_host | awk 'BEGIN{FS=" = "}{print $2}')
node=${node%%/*}
sleep 2
vnc=$( cat ~/crv/vnclog.$jid | grep 'desktop is' | awk 'BEGIN{FS=":"}{print $2}' )
cat <<EOF
jid:$jid
node:$node
vnc:$vnc
EOF
exit 0