这篇文章主要讲解了“docker如何搭建redis主从哨兵集群”,文中的讲解内容简单清晰,易于学习与理解,下面请大家跟着小编的思路慢慢深入,一起来研究和学习“docker如何搭建redis主从哨兵集群”吧!
docker pull redis:6.2.7
cd /opt/docker/redis
vi docker-compose.yml
docker-compose.yml的内容如下
version: '3'
services:
master:
image: redis:6.2.7 ## 镜像
container_name: redis-master
command: redis-server /etc/redis/redis.conf --requirepass 123456 --masterauth 123456
volumes:
- /opt/docker/redis/data/redis_data1:/data
- /opt/docker/redis/conf/redis1.conf:/etc/redis/redis.conf
network_mode: "host"
slave1:
image: redis:6.2.7 ## 镜像
container_name: redis-slave-1
volumes:
- /opt/docker/redis/data/redis_data2:/data
- /opt/docker/redis/conf/redis2.conf:/etc/redis/redis.conf
command: redis-server /etc/redis/redis.conf --slaveof redis-master 6379 --requirepass 123456 --masterauth 123456
depends_on:
- master
network_mode: "host"
slave2:
image: redis:6.2.7 ## 镜像
container_name: redis-slave-2
volumes:
- /opt/docker/redis/data/redis_data3:/data
- /opt/docker/redis/conf/redis3.conf:/etc/redis/redis.conf
command: redis-server /etc/redis/redis.conf --slaveof redis-master 6379 --requirepass 123456 --masterauth 123456
depends_on:
- master
network_mode: "host"
sentinel1:
image: redis:6.2.7 ## 镜像
container_name: redis-sentinel-1
command: redis-sentinel /usr/local/etc/redis/sentinel.conf
volumes:
- /opt/docker/redis/conf/sentinel1.conf:/usr/local/etc/redis/sentinel.conf
network_mode: "host"
depends_on:
- master
- slave1
- slave2
sentinel2:
image: redis:6.2.7 ## 镜像
container_name: redis-sentinel-2
command: redis-sentinel /usr/local/etc/redis/sentinel.conf
volumes:
- /opt/docker/redis/conf/sentinel2.conf:/usr/local/etc/redis/sentinel.conf
network_mode: "host"
depends_on:
- master
- slave1
- slave2
sentinel3:
image: redis:6.2.7 ## 镜像
container_name: redis-sentinel-3
command: redis-sentinel /usr/local/etc/redis/sentinel.conf
volumes:
- /opt/docker/redis/conf/sentinel3.conf:/usr/local/etc/redis/sentinel.conf
network_mode: "host"
depends_on:
- master
- slave1
- slave2
查看配置文件的目录树
cd /opt/docker/redis
tree ./
结构如下
redis1.conf,redis2.conf,redis3.conf配置如下
#redis1.conf
bind 0.0.0.0
port 6379
protected-mode no
slave-read-only no
#redis2.conf
bind 0.0.0.0
port 6380
protected-mode no
slave-read-only no
#redis3.conf
bind 0.0.0.0
port 6381
protected-mode no
slave-read-only no
sentinel1.conf,sentinel1.conf,sentinel1.conf配置:
#sentinel1.conf
port 26379
dir /tmp
sentinel monitor mymaster 192.168.18.131 6379 2
sentinel auth-pass mymaster 123456
sentinel down-after-milliseconds mymaster 30000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000
sentinel deny-scripts-reconfig yes
#sentinel2.conf
port 26380
dir /tmp
sentinel monitor mymaster 192.168.18.131 6379 2
sentinel auth-pass mymaster 123456
sentinel down-after-milliseconds mymaster 30000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000
sentinel deny-scripts-reconfig yes
#sentinel3.conf
port 26381
dir /tmp
sentinel monitor mymaster 192.168.18.131 6379 2
sentinel auth-pass mymaster 123456
sentinel down-after-milliseconds mymaster 30000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000
sentinel deny-scripts-reconfig yes
说明:
【sentinel monitor mymaster 192.168.18.131 6379 2】192.168.18.131为服务器的IP地址,6379为redis master的端口号
【sentinel auth-pass mymaster 123456 】设置主节点的密码
【sentinel down-after-milliseconds mymaster 30000】表示在一段时间范围内sentinel向master发送的心跳PING没有回复则认为master不可用了。
【sentinel parallel-syncs mymaster 1】的parallel-syncs表示设置在故障转移之后,同时可以重新配置使用新master的slave的数量。数字越低,更多的时间将会用故障转移完成,但是如果slaves配置为服务旧数据,你可能不希望所有的slave同时重新同步master。因为主从复制对于slave是非阻塞的,当停止从master加载批量数据时有一个片刻延迟。通过设置选项为1,确信每次只有一个slave是不可到达的。
【sentinel failover-timeout mymaster 10000 】表示10秒内mymaster还没活过来,则认为master宕机了。
redis_data1, redis_data2,redis_data3为空文件夹,用于存放redis数据文件
docker-compose up
#或者,后台启动
docker-compose up -d
docker exec -it 主节点容器id或者容器名称 bash
redis-cli -p 6379
info replication
感谢各位的阅读,以上就是“docker如何搭建redis主从哨兵集群”的内容了,经过本文的学习后,相信大家对docker如何搭建redis主从哨兵集群这一问题有了更深刻的体会,具体使用情况还需要大家实践验证。这里是亿速云,小编将为大家推送更多相关知识点的文章,欢迎关注!
亿速云「云服务器」,即开即用、新一代英特尔至强铂金CPU、三副本存储NVMe SSD云盘,价格低至29元/月。点击查看>>
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。