Shell编写Nginx服务控制脚本

# touch /etc/init.d/nginx
# chmod +x /etc/init.d/nginx

#!/bin/bash
# chkconfig: - 85 15
# description: Nginx server control script
# processname: nginx
# config file: /usr/local/nginx/conf/nginx.conf
# pid file: /usr/local/nginx/logs/nginx.pid
# 
# eastmoney public tools
# version: v1.0.0
# create by XuHoo, 2016-9-14
# 

# source function library
. /etc/rc.d/init.d/functions

NGINX_NAME="nginx"
NGINX_PROG="/usr/local/sbin/nginx"
NGINX_PID_FILE="/usr/local/nginx/logs/nginx.pid"
NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"
NGINX_LOCK_FILE="/var/lock/subsys/nginx.lock"

# check current user
["$USER" != "root" ] && exit 1

start() {
    status
        if [[$? -eq 0 ]]; then
            echo $"Nginx (PID $(cat $NGINX_PID_FILE)) already started."
            return 1
        fi
    echo -n $"Starting $NGINX_NAME: "
        daemon $NGINX_PROG -c $NGINX_CONF_FILE
        retval=$?
        echo
    [$retval -eq 0 ] && touch $NGINX_LOCK_FILE
    return $retval
}

stop() {
    status
        if [[$? -eq 1 ]]; then
            echo "Nginx server already stopped."
            return 1
        fi
    echo -n $"Stoping $NGINX_NAME: "
        killproc $NGINX_PROG
        retval=$?
        echo
    [$retval -eq 0 ] && rm -f $NGINX_LOCK_FILE
    return $retval
}

restart() {
    stop
        sleep 1
    start
    retval=$?
    return $retval
}

reload() {echo -n $"Reloading $NGINX_NAME: "
        killproc $NGINX_PROG -HUP
        retval=$?
        echo
    return $retval
}

status() {netstat -anpt | grep "/nginx" | awk '{print $6}' &> /dev/null
        if [[$? -eq 0 ]]; then
            if [[-f $NGINX_LOCK_FILE]]; then
                return 0
            else
                return 1
            fi
        fi
    return 1
}

_status() {
    status
        if [[$? -eq 0 ]]; then
            state=`netstat -anpt | grep "/nginx" | awk '{print $6}'`
            echo $"Nginx server status is: $state"
        else
            echo "Nginx server is not running"
        fi
}

test() {$NGINX_PROG -t -c $NGINX_CONF_FILE
        retval=$?
    return $retval
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    reload)
        reload
        ;;
    restart)
        restart
        ;;
    status)
        _status
        ;;
    test)
        test
        ;;
    *)
        echo "Usage: {start | stop | reload | restart | status | test}"
        exit 1
esac 

# chkconfig --add nginx
# chkconfig --level 3 nginx on