nginx

nginx.sh

#!/bin/sh  
#  
# nginx - this script starts and stops the nginx daemon  
#  
# chkconfig:   - 85 15  
# description:  Nginx chkconfig shell  
# processname: nginx  
# config:      /etc/nginx/nginx.conf  
# config:      /etc/sysconfig/nginx  
# pidfile:     /var/run/nginx/nginx.pid  
 
# Source function library.  
. /etc/rc.d/init.d/functions  
 
# Source networking configuration.  
. /etc/sysconfig/network  
 
# Check that networking is up.  
[ "$NETWORKING" = "no" ] && exit 0  
 
nginx="/usr/sbin/nginx"  
prog=$(basename $nginx)  
 
NGINX_CONF_FILE="/etc/nginx/nginx.conf"  
 
[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx  
 
lockfile=/var/lock/subsys/nginx  
 
start() {  
   [ -x $nginx ] || exit 5  
   [ -f $NGINX_CONF_FILE ] || exit 6  
   echo -n $"Starting $prog: "  
   daemon $nginx -c $NGINX_CONF_FILE  
   retval=$?  
   echo  
   [ $retval -eq 0 ] && touch $lockfile  
   return $retval  
}  
 
stop() {  
   echo -n $"Stopping $prog: "  
   killproc $prog  
   retval=$?  
   echo  
   [ $retval -eq 0 ] && rm -f $lockfile  
   return $retval  
}  
 
restart() {  
   configtest_q || configtest || return 6  
   stop  
   start  
}  
 
reload() {  
   configtest_q || configtest || return 6  
   echo -n $"Reloading $prog: "  
   killproc $nginx -HUP  
   echo  
}  
 
configtest() {  
 $nginx -t -c $NGINX_CONF_FILE  
}  
 
configtest_q() {  
   configtest >/dev/null 2>&1  
}  
 
rh_status() {  
   status $prog  
}  
 
rh_status_q() {  
   rh_status >/dev/null 2>&1  
}  
 
# Upgrade the binary with no downtime.  
upgrade() {  
   local pidfile="/var/run/${prog}.pid"  
   local oldbin_pidfile="${pidfile}.oldbin"  
 
   configtest_q || configtest || return 6  
   echo -n $"Staring new master $prog: "  
   killproc $nginx -USR2  
   retval=$?  
   echo   
   sleep 1  
   if [[ -f ${oldbin_pidfile} && -f ${pidfile} ]];  then  
       echo -n $"Graceful shutdown of old $prog: "  
       killproc -p ${oldbin_pidfile} -QUIT  
       retval=$?  
       echo   
       return 0  
   else  
       echo $"Something bad happened, manual intervention required, maybe restart?"  
       return 1  
   fi  
}  
 
case "$1" in  
   start)  
       rh_status_q && exit 0  
       $1  
       ;;  
   stop)  
       rh_status_q || exit 0  
       $1  
       ;;  
   restart|configtest)  
       $1  
       ;;  
   force-reload|upgrade)  
       rh_status_q || exit 7  
       upgrade  
       ;;  
   reload)  
       rh_status_q || exit 7  
       $1  
       ;;  
   status|status_q)  
       rh_$1  
       ;;  
   condrestart|try-restart)  
       rh_status_q || exit 7  
       restart  
           ;;  
   *)  
       echo $"Usage: $0 {start|stop|reload|configtest|status|force-reload|upgrade|restart}"  
       exit 2  
esac