Redis一键安装脚本

#! /usr/bin/env bash 
# redis 6.0.3 源码安装
# 用法： bash -x install-redis-single.sh 6.0.3

version=$1

usage(){
  echo "usage: $0 version"
}

if [ $# -ne 1 ]
then 
  usage 
  exit -1
fi

#下载
cd /usr/local/src
if [ ! -f redis-${version}.tar.gz ]
then 
  curl -o /usr/local/src/redis-${version}.tar.gz http://download.redis.io/releases/redis-${version}.tar.gz
fi

#安装依赖
yum clean all
yum makecache fast 
yum -y install gcc gcc-c++ tcl

#编译redis6.x需要高版本的gcc
yum -y install centos-release-scl
yum -y install devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-binutils
source /opt/rh/devtoolset-9/enable
echo "source /opt/rh/devtoolset-9/enable" >>/etc/profile
gcc --version 

#内核优化
cat >> /etc/rc.d/rc.local << "EOF"

#关闭THP
if [ -f /sys/kernel/mm/transparent_hugepage/enabled ]
then
  echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi

if [ -f /sys/kernel/mm/transparent_hugepage/defrag ]
then
  echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi
EOF
chmod u+x /etc/rc.d/rc.local

if [ -f /sys/kernel/mm/transparent_hugepage/enabled ]
then
  echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi

if [ -f /sys/kernel/mm/transparent_hugepage/defrag ]
then
  echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi

cat >> /etc/sysctl.conf << "EOF"

#操作系统内核优化-针对redis
net.core.somaxconn = 1024
net.ipv4.tcp_max_syn_backlog = 1024 
vm.overcommit_memory = 1
EOF
sysctl -p

cat > /etc/security/limits.conf << "EOF"
root soft nofile 65535
root hard nofile 65535
* soft nofile 65535
* hard nofile 65535
EOF

#解压编译安装
cd /usr/local/src
tar -zxvf redis-${version}.tar.gz
cd /usr/local/src/redis-${version}
make 
make PREFIX=/usr/local/redis install

#配置
mkdir -p /usr/local/redis/{etc,logs,data}
egrep -v "^$|^#" /usr/local/src/redis-${version}/redis.conf > /usr/local/redis/etc/redis.conf
#sed -i "s/bind 127.0.0.1/bind 0.0.0.0/g" /usr/local/redis/etc/redis.conf
sed -i "s/protected-mode yes/protected-mode no/g" /usr/local/redis/etc/redis.conf
sed -i "s/daemonize no/daemonize yes/g" /usr/local/redis/etc/redis.conf
sed -i "s/pidfile /var/run/redis_6379.pid/pidfile /usr/local/redis/redis.pid/g" /usr/local/redis/etc/redis.conf
sed -i "s/dir .//dir /usr/local/redis/data/g" /usr/local/redis/etc/redis.conf
sed -i "s/logfile ""/logfile "/usr/local/redis/logs/redis.log"/g" /usr/local/redis/etc/redis.conf
sed -i "s/dbfilename dump.rdb/dbfilename dump.rdb/g" /usr/local/redis/etc/redis.conf
sed -i "s/appendfilename "appendonly.aof"/appendfilename "appendonly.aof"/g" /usr/local/redis/etc/redis.conf

#启动
/usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf

#PATH配置
echo "export PATH=${PATH}:/usr/local/redis/bin" >>/etc/profile
source /etc/profile