由于步骤重复，所以我选择使用脚本来进行部署
# 首先创建redis集群使用的docker网络
docker network create redis --subnet 172.38.0.0/16
#使用shell脚本设置循环进行自动化部署
for port in $(seq 1 6); \
do \
# 创建工作目录和配置文件并向配置文件中写入配置信息
mkdir -p /home/redis/node-${port}/conf
touch /home/redis/node-${port}/conf/redis.conf
cat << EOF >/home/redis/node-${port}/conf/redis.conf
port 6379
bind 0.0.0.0
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
cluster-announce-ip 172.38.0.1${port}
cluster-announce-port 6379
cluster-announce-bus-port 16379
appendonly yes
EOF
# 创建所有的redis容器，并将配置文件挂载到刚才本地创建的配置文件
docker run -p 637${port}:6379 -p 1637${port}:16379 --name redis-${port} \
-v /mydata/redis/node-${port}/data:/data \
-v /mydata/redis/node-${port}/conf/redis.conf:/etc/redis/redis.conf \
-d --net redis --ip 172.38.0.1${port} redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf
done执行脚本后可以使用docker ps命令查看容器是否创建成功
创建成功后我们进入redis-1容器中
docker exec -it redis-1 /bin/sh进入容器后输入ls命令查看是否成功加载配置文件
/data # ls
appendonly.aof nodes.conf有以上两个文件说明redis容器已经创建成功，如果没有则需要检查创建容器时的挂载路径是否正确
接下来我们继续配置redis
#配置集群
/data # redis-cli --cluster create 172.38.0.11:6379 172.38.0.12:6379 172.38.0.13:6379 172.38.0.14:6379 172.38.0.15:6379 172.38.0.16:6379 --cluster-replicas 1
>>> Performing hash slots allocation on 6 nodes...
Master[0] -> Slots 0 - 5460
Master[1] -> Slots 5461 - 10922
Master[2] -> Slots 10923 - 16383
Adding replica 172.38.0.15:6379 to 172.38.0.11:6379
Adding replica 172.38.0.16:6379 to 172.38.0.12:6379
Adding replica 172.38.0.14:6379 to 172.38.0.13:6379
M: 26e8f1f2a11660d5d0c06d84925491925439168c 172.38.0.11:6379
slots:[0-5460] (5461 slots) master
M: 64d6603f483c25dbbe3cc18cd591d33a58c37c8e 172.38.0.12:6379
slots:[5461-10922] (5462 slots) master
M: bfbf86fd6d70a5851b9afd1d74cd88a983e013fa 172.38.0.13:6379
slots:[10923-16383] (5461 slots) master
S: 4782aa98fecc02f7f326c375c059441678eface7 172.38.0.14:6379
replicates bfbf86fd6d70a5851b9afd1d74cd88a983e013fa
S: d8e450f3c23753ede4865f56297086cd6bb09293 172.38.0.15:6379
replicates 26e8f1f2a11660d5d0c06d84925491925439168c
S: a7231c66e2c8cd2eee9f7a85839dbb1a81abd470 172.38.0.16:6379
replicates 64d6603f483c25dbbe3cc18cd591d33a58c37c8e
Can I set the above configuration? (type 'yes' to accept): yes
>>> Nodes configuration updated
>>> Assign a different config epoch to each node
>>> Sending CLUSTER MEET messages to join the cluster
Waiting for the cluster to join
....
>>> Performing Cluster Check (using node 172.38.0.11:6379)
M: 26e8f1f2a11660d5d0c06d84925491925439168c 172.38.0.11:6379
slots:[0-5460] (5461 slots) master
1 additional replica(s)
S: 4782aa98fecc02f7f326c375c059441678eface7 172.38.0.14:6379
slots: (0 slots) slave
replicates bfbf86fd6d70a5851b9afd1d74cd88a983e013fa
M: bfbf86fd6d70a5851b9afd1d74cd88a983e013fa 172.38.0.13:6379
slots:[10923-16383] (5461 slots) master
1 additional replica(s)
S: d8e450f3c23753ede4865f56297086cd6bb09293 172.38.0.15:6379
slots: (0 slots) slave
replicates 26e8f1f2a11660d5d0c06d84925491925439168c
M: 64d6603f483c25dbbe3cc18cd591d33a58c37c8e 172.38.0.12:6379
slots:[5461-10922] (5462 slots) master
1 additional replica(s)
S: a7231c66e2c8cd2eee9f7a85839dbb1a81abd470 172.38.0.16:6379
slots: (0 slots) slave
replicates 64d6603f483c25dbbe3cc18cd591d33a58c37c8e
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.最后验证是否创建成功
/data # redis-cli -c
127.0.0.1:6379> cluster nodes
4782aa98fecc02f7f326c375c059441678eface7 172.38.0.14:6379@16379 slave bfbf86fd6d70a5851b9afd1d74cd88a983e013fa 0 1738918536969 4 connected
bfbf86fd6d70a5851b9afd1d74cd88a983e013fa 172.38.0.13:6379@16379 master - 0 1738918536000 3 connected 10923-16383
d8e450f3c23753ede4865f56297086cd6bb09293 172.38.0.15:6379@16379 slave 26e8f1f2a11660d5d0c06d84925491925439168c 0 1738918535566 5 connected
26e8f1f2a11660d5d0c06d84925491925439168c 172.38.0.11:6379@16379 myself,master - 0 1738918535000 1 connected 0-5460
64d6603f483c25dbbe3cc18cd591d33a58c37c8e 172.38.0.12:6379@16379 master - 0 1738918535000 2 connected 5461-10922
a7231c66e2c8cd2eee9f7a85839dbb1a81abd470 172.38.0.16:6379@16379 slave 64d6603f483c25dbbe3cc18cd591d33a58c37c8e 0 1738918536000 6 connected
可以看到有三个主节点和三个从节点，集群搭建完成。
