#!/bin/sh
#
# Copyright (c) 2008 Gabriel Handford, gabrielh@gmail.com
#
# merb_<%= application %>   Startup script for Merb (<%= application %>)
#
# chkconfig: - 85 15
# description: merb_<%= application %> Merb runtime for <%= application %>
#
# WARNING: Relies on some patches:
#   This requires a couple of submitted patches to merb-core (on version 0.9.2),
#   for correct pid file and kill handling.
#
# Also have to cd into the project before starting merb. There are some issues with plugins
# and Merb.root
#
 
# Source function library
. /etc/rc.d/init.d/functions
 
RETVAL=0
 
NAME="merb_<%= application %>"
USER="<%= user %>"
GROUP="<%= user %>"
 
PID_PATH="<%= merb_pid_path %>"
NODES=<%= merb_nodes %>
PORT=<%= merb_port %>
ROOT_DIR="<%= merb_root %>"
 
CMD="<%= merb_command_path %>"
CMD_OPTIONS="-u $USER -G $GROUP -P $PID_PATH -m $ROOT_DIR -e production"
 
RETVAL=0
 
start() {
  echo -n $"Starting $NAME: "
  cd $ROOT_DIR
  daemon --user $USER $CMD $CMD_OPTIONS -c $NODES -p $PORT 
  RETVAL=$?
  [ "$RETVAL" -eq 0 ] && success $"$NAME start" || failure $"$NAME start"
  echo
  return $RETVAL;  
}
 
# Start only a single daemon function ($1=port)
start_only() {
  cd $ROOT_DIR
  daemon --user $USER $CMD $CMD_OPTIONS -c 1 -p $1
}
 
stop() {
  echo -n $"Stopping $NAME: "
  cd $ROOT_DIR
  $CMD $CMD_OPTIONS -c $NODES -p $PORT -K all
  RETVAL=$?
  [ "$RETVAL" -eq 0 ] && success $"$NAME shutdown" || failure $"$NAME shutdown"
  echo
  return $RETVAL;
}
 
# Stop only a single daemon ($1=port) 
stop_only() {
  cd $ROOT_DIR
  $CMD $CMD_OPTIONS -c 1 -p $PORT -K $1
}
 
restart() {
  stop
  sleep 1
  start
}
 
status() {
  echo "Don't know"
  RETVAL=$?
  echo 
  return $RETVAL;
}
 
fail() {
  echo "Failed to start: $1"
  exit 1
}
 
# Gracefully exit if the controller is missing.
which $CMD >/dev/null || fail "$CMD not found"
 
case "$1" in
  start)
    start
  ;;
  start_only)
    start_only $2
  ;;
  stop)
    stop
  ;;
  stop_only)
    stop_only $2
  ;;
  restart)
    restart
  ;;
  status)
    status
  ;;
  *)
    echo "Usage: $0"
    echo " "
    echo "  start"
    echo "  stop"
    echo "  restart"
    echo "  status"
    echo "  start_only [port]"
    echo "  stop_only [port]"
    echo " "
    RETVAL=3;
  ;;
esac      
 
exit $RETVAL