3主+3从
由于仅用于测试，故我这里只用1台服务器进行模拟
redis列表
在server上创建一个目录用于存放redis集群部署文件。这里我放的路径为/root/redis-cluster
在/opt/docker/redis-cluster目录下创建redis-1,redis-2,redis-3,redis-4,redis-5,redis-6文件夹
mkdir -p /opt/docker/redis-cluster/{redis-1,redis-2,redis-3,redis-4,redis-5,redis-6}
#创建持久化目录
mkdir -p /opt/docker/redis-cluster/redis-1/data
mkdir -p /opt/docker/redis-cluster/redis-2/data
mkdir -p /opt/docker/redis-cluster/redis-3/data
mkdir -p /opt/docker/redis-cluster/redis-4/data
mkdir -p /opt/docker/redis-cluster/redis-5/data
mkdir -p /opt/docker/redis-cluster/redis-6/datacluster-enabled yes # 开启集群 cluster-config-file nodes.conf # 集群配置文件 cluster-node-timeout 5000 # 集群节点多少时间未响应视为该节点丢失 appendonly yes port 6379 # redis监听端口 masterauth passwd123 #设置master节点密码 requirepass passwd123 #设置密码
注意：port值不能都为6379，根据上面redis列表设置的端口号，依次给redis-1 ~ redis-6设置6379~6384端口号
这里直接使用daocloud提供的redis镜像地址daocloud.io/library/redis:6.0.4
在/root/redis-cluster文件夹下创建docker-compose.yml文件。
docker-compose.yml文件内容如下：
version: '3.1'
services:
# redis1配置
redis1:
image: daocloud.io/library/redis:6.0.4
container_name: redis-1
restart: always
network_mode: "host"
volumes:
- /opt/docker/redis-cluster/redis-1/data:/data
- /opt/docker/redis-cluster/redis-1/redis.conf:/usr/local/etc/redis/redis.conf
command: ["redis-server", "/usr/local/etc/redis/redis.conf"]
# redis2配置
redis2:
image: daocloud.io/library/redis:6.0.4
container_name: redis-2
restart: always
network_mode: "host"
volumes:
- /opt/docker/redis-cluster/redis-2/data:/data
- /opt/docker/redis-cluster/redis-2/redis.conf:/usr/local/etc/redis/redis.conf
command: ["redis-server", "/usr/local/etc/redis/redis.conf"]
# redis3配置
redis3:
image: daocloud.io/library/redis:6.0.4
container_name: redis-3
restart: always
network_mode: "host"
volumes:
- /opt/docker/redis-cluster/redis-3/data:/data
- /opt/docker/redis-cluster/redis-3/redis.conf:/usr/local/etc/redis/redis.conf
command: ["redis-server", "/usr/local/etc/redis/redis.conf"]
# redis4配置
redis4:
image: daocloud.io/library/redis:6.0.4
container_name: redis-4
restart: always
network_mode: "host"
volumes:
- /opt/docker/redis-cluster/redis-4/data:/data
- /opt/docker/redis-cluster/redis-4/redis.conf:/usr/local/etc/redis/redis.conf
command: ["redis-server", "/usr/local/etc/redis/redis.conf"]
# redis5配置
redis5:
image: daocloud.io/library/redis:6.0.4
container_name: redis-5
restart: always
network_mode: "host"
volumes:
- /opt/docker/redis-cluster/redis-5/data:/data
- /opt/docker/redis-cluster/redis-5/redis.conf:/usr/local/etc/redis/redis.conf
command: ["redis-server", "/usr/local/etc/redis/redis.conf"]
# redis6配置
redis6:
image: daocloud.io/library/redis:6.0.4
container_name: redis-6
restart: always
network_mode: "host"
volumes:
- /opt/docker/redis-cluster/redis-6/data:/data
- /opt/docker/redis-cluster/redis-6/redis.conf:/usr/local/etc/redis/redis.conf
command: ["redis-server", "/usr/local/etc/redis/redis.conf"]启动容器,执行命令:
#启动容器 docker-compose -f xxx.yaml up -d
随便找一个容器进入，这里我选择redis-1进入。 在进入容器后，输入如下命令开启集群:
redis-cli --cluster create 192.168.66.180:6379 \ 192.168.66.180:6380 \ 192.168.66.180:6381 \ 192.168.66.180:6382 \ 192.168.66.180:6383 \ 192.168.66.180:6384 \ --cluster-replicas 1
出现下图即为成功。
使用redis-cli命令，连接集群中任意节点。我随便在一台能够ping通集群所在IP的电脑上进行了测试，这里我使用了本机
redis-cli -c -h 192.168.66.180 -p 6379 192.168.66.180:6379> cluster info
显示为如下图，即为集群健康状态
cluster nodes
注意看图中的slave,master,myself等关键字。
192.168.66.180:6379> set test 'hello world' -> Redirected to slot [6918] located at 192.168.66.180:6380 OK 192.168.66.180:6380>
注意：这里根据切片自动切换到了该数据分片所在的节点上，所以下面可以看到连接的节点变为了192.168.1.4:6380
get test
168.66.180:6379> set test 'hello world' -> Redirected to slot [6918] located at 192.168.66.180:6380 OK 192.168.66.180:6380> get test "hello world" 192.168.66.180:6380>
这里因为就是在该数据所在分片上进行的查询，所以连接节点没有改变。
#为redis.conf文件添加如下配置。这里设置密码为123456 masterauth 123456 requirepass 123456
#为docker-compose.yml中每个容器添加如下配置: environment: - REDISCLI_AUTH=123456
redis-cli -c -h 192.168.66.180 -p 6379 -a 123456
以上就是Docker-Compose如何搭建Redis集群的详细内容，更多请关注php中文网其它相关文章！
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