环境准备
系统:centos7.7
IP地址:192.168.33.14
IP地址:192.168.33.15
IP地址:192.168.33.16
端口号:6381,6382
一.搭建redis集群(以下步骤在每台服务器上都要执行)
1.>安装dockeryum -y install docker
systemctl start docker
systemctl enable docker
2.>下载redis官方配置文件redis.confwget http://download.redis.io/redis-stable/redis.conf
3.>对下载的redis.conf进行配置(因为是三主三从模式,每台服务器主端口是6381,备端口是6382)# bind 127.0.0.1
//加上注释protected\-mode no
//关闭保护模式port 6381
//绑定自定义端口# daemonize yes
//禁止redis后台运行pidfile /var/run/redis\_6381.pid
cluster\-enabled yes
//开启集群,把注释去掉cluster-config-file nodes\_6381.conf
//集群的配置,配置文件首次启动自动生成
4.>三台主机分别新建目录并将redis.conf放入mkdir -p /app/redis/cluster/6381/data
mkdir -p /app/redis/cluster/6382/data
5.>把redis.conf配置文件分别复制到刚才创建的两个文件夹下cp redis.conf /app/redis/cluster/6381/data
cp redis.conf /app/redis/cluster/6382/data
6.>三台主机启动Redisdocker run -v /app/redis/cluster/6381/data/:/data --privileged=true --net host --name redis-6381 -d redis:latest redis-server /data/redis.conf
docker run -v /app/redis/cluster/6382/data/:/data --privileged=true --net host --name redis-6382 -d redis:latest redis-server /data/redis.conf
二.连接集群(任选一个redis使用redis-cli创建集群)
1.>创建redis集群的三个master节点docker exec -it redis-6381 /bin/sh
redis-cli --cluster create 192.168.33.14:6381 192.168.33.14:6382 192.168.33.15:6381 192.168.33.15:6382 192.168.33.16:6381 192.168.33.16:6382 --cluster-replicas 1
2.>查看集群状态docker exec -it redis-6381 /bin/sh
redis\-cli -c -h 192.168.33.14 -p 6381 cluster info