Redis自动化安装及集群实现搭建过程

#!/bin/bash
set -e
if [ $# -lt 4 ]; then
    echo "$(basename $0): Missing script argument"
    echo "$(installdir $0) [installfilename] [port] "
    exit 9
fi
PotInUse=`netstat -anp | awk '{print $4}' | grep $4 | wc -l`
if [ $PotInUse -gt 0 ];then
 echo "ERROR" $4 "Port is used by another process!"
 exit 9
fi
basedir=$1
installdir=$2
installfilename=$3
port=$4
cd $basedir
tar -zxvf $installfilename.tar.gz >/dev/null 2>&1 &
cd $installfilename
mkdir -p $installdir
make PREFIX=$installdir install
sleep 1s 
cp $basedir/redis.conf $installdir

sed -i "s/instance_port/$port/g" $installdir/redis.conf
sleep 1s 
cd $installdir
./bin/redis-server redis.conf >/dev/null 2>&1 &