Docker快速建立Redis集群(Cluster)并配置外网访问 服务器基础配置docker 配置建立集群
Docker快速建立Redis集群(Cluster)并配置外网访问 服务器基础配置docker 配置建立集群
蓝夏
发布于 2021-03-19 17:51:43
发布于 2021-03-19 17:51:43
本篇文章介绍redis集群的快速搭建，不对redis进行深入探究，方便想要了解redis集群的朋友快速进行测试。
服务器基础配置
创建挂载目录
mkdir /mnt/data/rediscluster/7001/data
mkdir /mnt/data/rediscluster/7001/conf
mkdir /mnt/data/rediscluster/7002/data
mkdir /mnt/data/rediscluster/7002/conf
mkdir /mnt/data/rediscluster/7003/data
mkdir /mnt/data/rediscluster/7003/conf
mkdir /mnt/data/rediscluster/7101/data
mkdir /mnt/data/rediscluster/7101/conf
mkdir /mnt/data/rediscluster/7102/data
mkdir /mnt/data/rediscluster/7102/conf
mkdir /mnt/data/rediscluster/7103/data
mkdir /mnt/data/rediscluster/7103/conf分别在每个conf目录下创建文件redis.conf
#端口号，写文件夹对映的端口
Port 7001
#开启集群
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 15000
#开启aof存储
appendonly yes
#设置登录密码
requirepass 123123
#设置节点密码，集群必设
masterauth 123123
# 关闭保护，外网可直接访问
protected-mode no开放端口
iptables -I INPUT -p tcp --dport 7001 -j ACCEPT
iptables -I INPUT -p tcp --dport 7002 -j ACCEPT
iptables -I INPUT -p tcp --dport 7003 -j ACCEPT
iptables -I INPUT -p tcp --dport 7101 -j ACCEPT
iptables -I INPUT -p tcp --dport 7102 -j ACCEPT
iptables -I INPUT -p tcp --dport 7103 -j ACCEPT
iptables -I INPUT -p tcp --dport 17001 -j ACCEPT
iptables -I INPUT -p tcp --dport 17002 -j ACCEPT
iptables -I INPUT -p tcp --dport 17003 -j ACCEPT
iptables -I INPUT -p tcp --dport 17101 -j ACCEPT
iptables -I INPUT -p tcp --dport 17102 -j ACCEPT
iptables -I INPUT -p tcp --dport 17103 -j ACCEPT同时在云服务器安全组开放以上端口
docker 配置
编辑docker-compose.yml文件
version: "3.4"
services:
redis1:
image: redis:5.0.3
restart: "no"
container_name: redis5-m1
command: redis-server /etc/redis/redis.conf
volumes:
- /mnt/data/rediscluster/7001/data:/data
- /mnt/data/rediscluster/7001/conf/redis.conf:/etc/redis/redis.conf
network_mode: "host"
redis2:
image: redis:5.0.3
restart: "no"
container_name: redis5-m2
command: redis-server /etc/redis/redis.conf
volumes:
- /mnt/data/rediscluster/7002/data:/data
- /mnt/data/rediscluster/7002/conf/redis.conf:/etc/redis/redis.conf
network_mode: "host"
redis3:
image: redis:5.0.3
restart: "no"
container_name: redis5-m3
command: redis-server /etc/redis/redis.conf
volumes:
- /mnt/data/rediscluster/7003/data:/data
- /mnt/data/rediscluster/7003/conf/redis.conf:/etc/redis/redis.conf
network_mode: "host"
redis4:
image: redis:5.0.3
restart: "no"
container_name: redis5-s1
command: redis-server /etc/redis/redis.conf
volumes:
- /mnt/data/rediscluster/7101/data:/data
- /mnt/data/rediscluster/7101/conf/redis.conf:/etc/redis/redis.conf
network_mode: "host"
redis5:
image: redis:5.0.3
restart: "no"
container_name: redis5-s2
command: redis-server /etc/redis/redis.conf
volumes:
- /mnt/data/rediscluster/7102/data:/data
- /mnt/data/rediscluster/7102/conf/redis.conf:/etc/redis/redis.conf
network_mode: "host"
redis6:
image: redis:5.0.3
restart: "no"
container_name: redis5-s3
command: redis-server /etc/redis/redis.conf
volumes:
- /mnt/data/rediscluster/7103/data:/data
- /mnt/data/rediscluster/7103/conf/redis.conf:/etc/redis/redis.conf
network_mode: "host"执行命令
docker-compose up -d运行命令docker ps查看redis6个实例是否都启动成功
建立集群
随意进入一个容器内
docker exec -it redis5-m1 /bin/bash在容器内执行命令：
redis-cli --cluster create 外网ip:7001 外网ip:7002 外网ip:7003 外网ip:7101 外网ip:7102 外网ip:7103 --cluster-replicas 1中途会提示是否启用上述配置，输入 yes
执行命令:exit 退出容器
至此集群搭建完成
查看集群当前状态
随意进入一个容器内输入命令：
redis-cli -a 123123 --cluster info 外网ip:7001注意：
建立集群时需要保证集群每个节点中都没有数据。如果写入了数据想要重建集群，需要先把 /mnt/data/rediscluster/*/data 目录下的文件清空
find /mnt/data/rediscluster/ -name "nodes.*" |xargs rm -rf
find /mnt/data/rediscluster/ -name "*.aof" |xargs rm -rf本文参与 腾讯云自媒体分享计划，分享自作者个人站点/博客。
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