dory.init

#!/bin/sh
#
# dory           Start/Stop the dory daemon.
#
# chkconfig: 2345 79 20
# description: Dory is a producer daemon for Apache Kafka.

### BEGIN INIT INFO
# Provides: dory
# Required-Start: $local_fs $syslog
# Required-Stop: $local_fs $syslog
# Default-Start:  2345
# Default-Stop: 99
# Short-Description: run dory daemon
# Description: Dory is a producer daemon for Apache Kafka.
### END INIT INFO

PATH=/usr/bin:/bin
DORY=/usr/bin/dory
LOCKFILE=/var/lock/subsys/dory
CONFIG_PATH=/etc/dory/dory_conf.xml

. /etc/rc.d/init.d/functions
. /etc/sysconfig/dory

RETVAL=0

get_dory_pid () {
    pgrep -u nobody -f "dory.*--config-path ${CONFIG_PATH}( |$)"
}

case "$1" in
   start)
      echo -n "Starting dory: "
      [ -f "$DORY" ] || exit 1
      mkdir -p /var/run/dory
      chown nobody /var/run/dory
      chgrp nobody /var/run/dory

      daemon --user=nobody "$DORY" --daemon --config-path $CONFIG_PATH

      RETVAL=$?
      echo
      [ "$RETVAL" -eq 0 ] && touch "$LOCKFILE"
        ;;

  stop)
      echo -n "Shutting down dory: "
      PID=$(get_dory_pid)

      if [ -z "PID" ]; then
          echo dory is not running 1>&2
          RETVAL=1
      else
          kill -TERM "$PID"
          i=0

          while [ "$i" -lt 20 ] && [ ! -z "$(get_dory_pid)" ]; do
              sleep 1
              ((++i))
          done

          if [ -z "$(get_dory_pid)" ]; then
              RETVAL=0
          else
              echo Failed to shut down dory 1>&2
              kill -9 "$PID" && /usr/bin/logger "Dory failed to shut down cleanly and was killed."
              RETVAL=1
          fi
      fi

      echo
      [ "$RETVAL" -eq 0 ] && rm -f "$LOCKFILE"
        ;;

  restart|reload)
        $0 stop
        $0 start
        RETVAL=$?
        ;;
  status)
        PID=$(get_dory_pid)
        if [ -n "$PID" ]; then
            echo "dory is running with PID $PID"
            RETVAL=0
        else
            echo "dory is not running"
            RETVAL=3
        fi
        ;;
  *)
        echo "Usage: $0 {start|stop|restart|status}"
        exit 1
esac

exit "$RETVAL"