Debian initscript for erlyvideo (flussonic)

flussonic.sh

#!/bin/bash
### BEGIN INIT INFO
# Provides:          flussonic
# Required-Start:    $local_fs $network $syslog
# Required-Stop:     $local_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start/stop flussonic streaming server
### END INIT INFO

FLUDIR=/opt/flussonic
export PIDFILE=/var/run/flussonic/pid
COOKIEFILE=/etc/flussonic/cookie
export LOGDIR=/var/log/flussonic
export HOME=/opt/flussonic

#PATH

[ -f /etc/default/flussonic ] && . /etc/default/flussonic

[ -e priv/flussonic.conf ] && CONF=priv/flussonic.conf
[ -e priv/sample/flussonic.conf ] && CONF=priv/sample/flussonic.conf

case $1 in
"start")
  PID=`cat $PIDFILE 2>/dev/null`
  if [ "$PID" != "" ] ; then
    if kill $PID >/dev/null 2>&1 ; then
      echo "Killing old flussonic instance with pid $PID"
    fi
  fi
  echo -n "Starting flussonic: "
  mkdir -p /var/log/flussonic/console
  mkdir -p /var/run/flussonic
  export RUN_ERL_LOG_GENERATIONS=5
  export RUN_ERL_LOG_MAXSIZE=100000
  run_erl -daemon /var/run/flussonic/ /var/log/flussonic/console "exec $0 launch"
  i=0
  while ((i < 100)) && [ ! -f "$PIDFILE" ] ; do 
    echo -n "."
    ((i = i+1))
    sleep 1
  done 
  [ -f "$PIDFILE" ] && echo "done" || (echo "failed"; exit 1)
  ;;
"stop")
  echo "Stopping flussonic"
  if [ -f $COOKIEFILE ] ; then
    COOKIE=`cat $COOKIEFILE`
    echo `erl_call -a 'erlang halt' -n flussonic@127.0.0.1 -c "$COOKIE"`
  fi
  PID=`cat $PIDFILE 2>/dev/null`
  [ "$PID" != "" ] && kill $PID >/dev/null 2>&1
  rm -f $PIDFILE
  if [ -e "/var/run/flussonic/erlang.pipe.1.w" ] ; then
    echo -e "erlang:halt().\n" > /var/run/flussonic/erlang.pipe.1.w
  fi
  ;;
"run")
  echo "Running"
  $0 launch
  ;;
"launch")
  [ -e $FLUDIR ] && cd $FLUDIR
  export ERL_LIBS=apps:deps
  export PIDFILE
  SBT="+stbt s"
  if [ ! -f $COOKIEFILE ] ; then
    date | md5sum | awk '{print $1}' > $COOKIEFILE
    chmod 0600 $COOKIEFILE
  fi
  COOKIE=`cat $COOKIEFILE`
  if [ "$ASYNC_THREADS" == "" ] ; then
    ASYNC_THREADS="100 +a 32"
  fi
  CMD="erl +K true +A ${ASYNC_THREADS} ${SBT} -name flussonic@127.0.0.1 -setcookie $COOKIE -pa apps/*/ebin -pa deps/*/ebin -boot start_sasl -s flussonic -sasl errlog_type error"
  exec $CMD
  ;;
"reload")
  COOKIE=`cat $COOKIEFILE`
  echo `erl_call -a 'flu reconf' -n flussonic@127.0.0.1 -c "$COOKIE"`
  ;;
"status")
  COOKIE=`cat $COOKIEFILE`
  eval "STATUS=`erl_call -a 'flu status' -n flussonic@127.0.0.1 -c "$COOKIE"`"
  # echo `erl_call -a 'flu status' -n flussonic@127.0.0.1 -c "$COOKIE"`
  echo -e $STATUS
  ;;
"restart")
  echo "Restarting"
  $0 stop
  $0 start
  ;;
"attach")
  echo "Attaching"
  cd $FLUDIR
  [ -f /usr/lib/erlang/bin/to_erl ] && TO_ERL=/usr/lib/erlang/bin/to_erl || TO_ERL=to_erl
  $TO_ERL /var/run/flussonic/
  ;;
"shell")
  echo "Remote shell"
  COOKIE=`cat $COOKIEFILE`
  erl -name debug@127.0.0.1 -remsh flussonic@127.0.0.1 -setcookie $COOKIE
  ;;
"force-reload")
  echo "Force reload"
  $0 stop
  $0 start
  ;;
*)
  echo "$0 start|stop|run|reload|restart|attach|shell"
esac