13.部署redis集群

 

 一起启动6个集群

创建网卡

shell脚本

docker network create redis --subnet172.38.0.0/16

 

 

通过脚本创建6个redis配置

for port in $(seq 1 6);\
do \

mkdir -p /mydata/redis/node-${port}/conf

touch /mydata/redis/node-${port}/conf/redis.conf

cat << EOF >/mydata/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

done

 

 

 

 启动

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 reids --ip 172.38.0.1${port} redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf; \

 

docker run  -p 6371:6379 -p 16371:16379 --name redis-1 -v /mydata/redis/node-1/data:/data -v /mydata/redis/node-1/conf/redis.conf:/etc/redis/redis.conf  -d --net redis --ip 172.38.0.11 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf

 

 

docker run  -p 6372:6379 -p 16372:16379 --name redis-2 -v /mydata/redis/node-2/data:/data -v /mydata/redis/node-2/conf/redis.conf:/etc/redis/redis.conf  -d --net redis --ip 172.38.0.12 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf
docker run  -p 6373:6379 -p 16373:16379 --name redis-3 -v /mydata/redis/node-3/data:/data -v /mydata/redis/node-3/conf/redis.conf:/etc/redis/redis.conf  -d --net redis --ip 172.38.0.13 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf

docker run  -p 6374:6379 -p 16374:16379 --name redis-4 -v /mydata/redis/node-4/data:/data -v /mydata/redis/node-4/conf/redis.conf:/etc/redis/redis.conf  -d --net redis --ip 172.38.0.14 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf

docker run  -p 6375:6379 -p 16375:16379 --name redis-5 -v /mydata/redis/node-5/data:/data -v /mydata/redis/node-5/conf/redis.conf:/etc/redis/redis.conf  -d --net redis --ip 172.38.0.15 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf

创建集群的配置

/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

 

 

 连接集群

/data # redis-cli -c

 

 

 

高可用，现在停掉redis-3 这个集群

再get 的时候可以看到 这个值已经转移到172.38.0.14上 ，它是13的从机