Redis自动启动脚本

## 简介

在 linux 服务器上，有时需要手动安装 Redis，为了便捷管理 Redis 并设置开机自启，可以尝试使用本脚本。
> PS：不保证能够直接使用，请根据自身情况自行修改。

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```sh
#! /bin/sh
# chkconfig: 2345 10 90  
# Description: Startup script for redis webserver on Debian. Place in /etc/init.d and
# run 'update-rc.d -f redis defaults', or use the appropriate command on your
# distro. For CentOS/Redhat run: 'chkconfig --add redis'

### BEGIN INIT INFO
# Provides:          redis
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the redis web server
# Description:       starts redis using start-stop-daemon
### END INIT INFO

PATH=/usr/local/redis/bin:/sbin:/bin		        # 本机存放redis命令的目录
FilePath=/usr/local/redis			        # 文件地址
REDISPORT=6379						# redis的默认端口，与redis.conf中一致
SERVER=$FilePath/bin/redis-server			# redis服务端
CLIENT=$FilePath/bin/redis-cli				# redis客户端
PIDFILE=$FilePath/logs/redis.pid			# reids的进程文件生成的位置
CONF=$FilePath/conf/redis.conf				# redis的配置文件所在的目录  

case "$1" in
	start)
		if [ -f $PIDFILE ];then
			echo "$PIDFILE exist, process is already running."
			exit 1
		else
			echo "Starting Redis server..."
			$SERVER $CONF
		fi
		if [ "$?"="0" ];then
			echo "Redis started successfully"
			exit 1
		else
			echo "Redis started failed"
		fi
		;;
	stop)
		if [ ! -f $PIDFILE ];then
			echo "$PIDFILE doesn't exist, process is not running."
			exit 1
		else
			PID=$(cat $PIDFILE)
			echo "Stopping Redis server..."
			$CLIENT -p $REDISPORT  SHUTDOWN
			sleep 1
			while [ -x $PIDFILE ]
			do
				echo "Waiting for Redis to shutdown..."
				sleep 1
			done
			echo "Redis stopped"
		fi
		;;
	restart|force-reload)   
		$0 stop 
		sleep 2
		$0 start   
		;;   
	*)   
	    echo "Usage: $0 {start|stop|restart|force-reload}"
		exit 1 
		;;		
esac

```