Redis启动、停止、重启脚本

#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.

### BEGIN INIT INFO
# Provides:     redis_6379
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Redis data structure server
# Description:          Redis data structure server. See https://redis.io
### END INIT INFO

REDISPORT=6379
EXEC=/usr/local/bin/redis-server
CLIEXEC=/usr/local/bin/redis-cli

PIDFILE=/var/run/redis_${REDISPORT}.pid
CONF="/usr/local/redis/redis.conf"

# 启动服务
start(){
    if [ -f $PIDFILE ]
    then
        echo "$PIDFILE exists, process is already running or crashed"
    else
        echo "Starting Redis server..."
        $EXEC $CONF
    fi
}
# 停止服务
stop(){
    if [ ! -f $PIDFILE ]
    then
        echo "$PIDFILE does not exist, process is not running"
    else
        PID=$(cat $PIDFILE)
        echo "Stopping ..."
        $CLIEXEC -p $REDISPORT -a 123456 shutdown 2>/dev/null
        while [ -x /proc/${PID} ]
        do
            echo "Waiting for Redis to shutdown ..."
            sleep 1
        done
        echo "Redis stopped"
    fi
}
# 启动状态
status(){
    if [ -f $PIDFILE ]
    then
        PID=$(cat $PIDFILE)
        echo "$PIDFILE is running，pid=${PID}"
    else
        echo "$PIDFILE is not running"
    fi
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status
        ;;
    restart)
        stop
        sleep 1s
        start
        ;;
    *)
        echo "Please use start|stop|restart|status as first argument"
        ;;
esac