nginx启动和停止脚本

#!/bin/bash
# Nginx service controll
# chkconfig: - 85 15
# description: A faster www server

. /etc/rc.d/init.d/functions

prog="Nginx"
prog_name="nginx"
pid_file="/usr/local/nginx/nginx.pid"
bin_file="/usr/local/nginx/sbin/$prog_name"
user="httpd"
group="httpd"
conf_file="/usr/local/nginx/conf/nginx.conf"

test_config(){
# Test configuration
 $bin_file -t -c $conf_file
}

start(){
 if [ -f "$pid_file" ]; then
  action $"Startting $prog: " /bin/false
  echo "$prog is running ..."
  exit 1
 else
  $bin_file -c $conf_file>/dev/null
  if [ -f "$pid_file" ]; then
   action $"Startting $prog: " /bin/true
  else
   action $"Startting $prog: " /bin/false
   echo "Some unexcepted errors occupied ..."
  fi
 fi
}

stop(){
 if [ -f "$pid_file" ]; then
  pid=`cat "$pid_file"`
  if kill -0 $pid 2>/dev/null; then
   kill $pid
   rm -rf $pid_file
   action $"Stopping $prog: " /bin/true
  else
   action $"Stopping $prog: " /bin/false
   echo "$prog is not running, but PID file exists"
   exit 1
  fi
 else
  action $"Stoppng $prog: " /bin/false
  echo "$prog is not running ..."
  exit 1
 fi
}

force_stop(){
 killall $prog_name>/dev/null
 rm -rf $pid_file
 sleep 2
 action $"Force stopping $prog: " /bin/true
}

restart(){
 stop
 start
}

force_reload(){
 force_stop
 start
}

case "$1" in
 start)
  start
  ;;
 stop)
  stop
  ;;
 restart)
  restart
  ;;
 force_reload)
  force_reload
  ;;
 force_stop)
  force_stop
  ;;
 test)
  test_config
  ;;
 *)
  echo $"Usage $prog: {start|stop|restart|test|force_stop|force_reload}"
  exit 1
  ;;
esac
exit 0