CentOS7 从零开始部署Redis 集群

序言

安装部署

配置集群

序言

下载 reids 程序包： redis-3.2.3.tar.gz

下载 ruby 程序包 ： ruby-2.3.1.tar.gz

准备三台CentOS机器：192.168.169.130, 192.168.169.139, 192.168.169.140

将代码包拷贝至 /usr/local 文件夹

安装部署

准备临时变量方便部署

node1='192.168.169.130'
node2='192.168.169.139'
node3='192.168.169.140'
currIp='192.168.169.130'
redisDir='/home/redis/redis3.2'

添加用户和用户组

groupadd redis
useradd -d /home/redis -g redis redis

关闭防火墙

systemctl stop firewalld.service
systemctl disable firewalld.service

安装必要软件包

yum -y install openssl* openssl-devel zlib-devel gcc gcc-c++ make autoconf readline-devel curl-devel expat-devel gettext-devel

安装编译 Redis

cd /usr/local
tar -zxvf redis-3.2.3.tar.gz

mv /usr/local/redis-3.2.3 $redisDir
cd $redisDir
make && make install
chown -R redis:redis $redisDir

配置Reids

mkdir -P $redisDir/log
cp $redisDir/redis.conf $redisDir/redis.conf.bak#备份文件

echo  "cluster-enabled yes" >>  $redisDir/redis.conf
echo  "cluster-node-timeout 5000" >>  $redisDir/redis.conf
sed  -i "s/^appendonly no$/appendonly yes/"   $redisDir/redis.conf
sed  -i "s/^daemonize no$/daemonize yes/"   $redisDir/redis.conf
echo cluster-config-file node-6379.conf >> $redisDir/redis.conf
sed  -i 's/^logfile[^aa]*$/#logfile ""/' $redisDir/redis.conf
echo "logfile $redisDir/log/redis.log"  >> $redisDir/redis.conf
sed -i "s/^bind 127.0.0.1$/bind $currIp/"  $redisDir/redis.conf
sed -i "s/^protected-mode yes$/protected-mode no/" $redisDir/redis.conf

启动实例

$redisDir/src/redis-server $redisDir/redis.conf  &

配置集群

编译 Ruby

mkdir /usr/local/ssl
cd /usr/local/ssl
yum -y install wget
wget --no-check-certificate https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/41808/raw/ext/openssl/ossl_pkey_ec.c wget --no-check-certificate https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/41808/raw/test/openssl/test_pkey_ec.rb 
tar -zxvf  ruby-2.3.1.tar.gz
cd /usr/local/ruby-2.3.1
./configure --enable-shared --enable-pthread --with-openssl-dir=/usr/local/ssl --prefix=/usr/local/ruby
make && make install

配置 Ruby 环境

echo 'export PATH=/usr/local/ruby/bin:$PATH' >> /etc/profile
source /etc/profile

安装 Redis

gem install redis

启动集群

$redisDir/src/redis-trib.rb create  $node1:6379 $node2:6379 $node3:6379

测试

$redisDir/src/redis-cli -c -h 192.168.169.130#注意 -c 开启集群模式

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