Nginx启动脚本

#!/bin/sh
#nginx start script
#Date:2017-6-21
#Author:xcn(baishuchao@yeah.net)
#version 2.0


RETVAL=0
path="/application/nginx"
#Source functions library
. /etc/init.d/functions


start(){
if [ ! -f "$path/logs/nginx.pid" ]
 then
    [ -x $path/sbin/nginx ]||exit 1
    $path/sbin/nginx
    RETVAL=$?
    if [ -f $path/logs/nginx.pid ];then
      action "Nginx startup" /bin/true
    else
      action "Nginx startup" /bin/false
    fi
else
   echo "Nginx is running."
fi
return $RETVAL
}
 
stop(){
 if [ ! -f "$path/logs/nginx.pid" ]
 then
   echo "nginx is not running.need not to stop it."
 else
   [ -x $path/sbin/nginx ]||exit 1
   [ -f "$path/logs/nginx.pid" ]&&{
   kill `cat $path/logs/nginx.pid`
   RETVAL=$?
   }
   if [ ! -f "$path/logs/nginx.pid" ];then
     action "Nginx is stopped." /bin/true
   else
     action "Nginx is stopped." /bin/false
   fi
fi
return $RETVAL
}
 
case "$1" in
  start)
        start
        RETVAL=$?
        ;;
  stop)
        stop
        RETVAL=$?
        ;;
  restart)
        $0 stop
        sleep 2
        $0 start
        RETVAL=$?
        ;;
  reload)
        $path/sbin/nginx reload
        RETVAL=$?
        ;;
      *)
        echo "USAGE:$0 {start|stop|restart|reload}"
esac
exit $RETVAL

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