boinc_app_launcher

#!/bin/bash
# simple helper script to launch provided boinc_app. 

# declare some variables. 
# Note project dir is not mounted until after boinc_app is run, unless you mount it manually
project_dir=/root/project
slot_dir=/root/shared
local_log=/root/launcher_local_log.txt
log_location=/root/shared/launcher_output.txt
app_location=/root/shared/boinc_app
debug_file_location=/root/shared/boinc_vm_debug

# to make sure this script doesn't run too long, a counter is started. This counter is the number of seconds the script has been sleeping/waiting for a condition to happen
counter=0

# clear logs from any pre-existing runs
rm $local_log

echo "Launcher launched at $(date)" >> $local_log

# automatically mount slot dir, shutdown machine if it takes > 30 seconds
echo "entering mount while loop" >> $local_log
mount -t vboxsf shared /root/shared
while ! mountpoint $slot_dir
do
  echo "$slot_dir is not mountpoint" >> $local_log
  sleep 5
  counter=$((counter+5))
  mount -t vboxsf shared $slot_dir
  echo "attempting mount of $slot_dir" >> $local_log
  if [ $counter -gt 120 ]; then
    echo "timeout expired!" >> $local_log
    shutdown now
  fi
done

# Now that shared folder is mounted, copy contents of local log to the shared directory, log to it from now on
cp $local_log $log_location

if [ ! -f $app_location ]
then
  echo "$app_location does not exist" >> $log_location
  shutdown now
fi
if [ ! -x $app_location ]; then
    chmod +x $app_location
fi
if [ ! -x $app_location ]; then
    echo "$app_location is not executable" >> $log_location
fi

# run the application
cd $slot_dir
$app_location


if [ -f $debug_file_location ]
then
  echo "not shutting down for 10m due to debug flag" >> $log_location
  while [ $counter -lt 600 ]
  do
    counter=$((counter+30))
    sleep 30    
  done
fi

shutdown now