docker快速搭建redis集群（两种暴露宿主网络的方法）

宿主机IP：192.168.123.181

方案一：host网络模式

1、新建6个容器节点

for port in `seq 4001 4006`; do 
  docker run -itd --name redis-${port} --network host -v ~/redis-data/${port}/data:/data redis --cluster-enabled yes --cluster-config-file nodes.conf --port ${port}; 
done

2、进入任意一节点

docker exec -it redis-4001 /bin/bash

3、集群操作（3主3从）

redis-cli --cluster create 192.168.123.181:4001  192.168.123.181:4002  192.168.123.181:4003 192.168.123.181:4004  192.168.123.181:4005  192.168.123.181:4006 --cluster-replicas 1

4、执行redis连接操作

redis-cli -c -h 192.168.123.181 -p 4001

方案二：桥接网络，redis配置cluster-announce-ip宿主机IP

1、新建基础目录

cd ~ && mkdir redis-cluster && cd ./redis-cluster && touch redis-cluster.conf

2、编辑redis-cluster

cat >redis-cluster.conf<<EOF
port ${PORT}
cluster-enabled yes
protected-mode no
cluster-config-file nodes.conf
cluster-node-timeout 5000
#对外ip(将ip更改为宿主机IP)
cluster-announce-ip 宿主机IP
cluster-announce-port ${PORT}
cluster-announce-bus-port 1${PORT}
appendonly yes
EOF

3、新建集群目录

cd ~/redis-cluster
for port in `seq 3001 3006`; do 
  mkdir -p ./${port}/conf && PORT=${port} envsubst < ./redis-cluster.conf > ./${port}/conf/redis.conf && mkdir -p ./${port}/data;
done

 4、新建6个容器节点

for port in `seq 3001 3006`; do 
  docker run -itd -p ${port}:${port} -p 1${port}:1${port} -v ~/redis-cluster/${port}/conf/redis.conf:/usr/local/etc/redis/redis.conf -v ~/redis-cluster/${port}/data:/data  --restart always --name redis-${port} --net redis-net --sysctl net.core.somaxconn=1024 redis redis-server /usr/local/etc/redis/redis.conf; 
done

5、进入任意一节点

docker exec -it redis-3001 bash

6、集群操作（3主3从）

redis-cli --cluster create 192.168.123.181:3001 192.168.123.181:3002 192.168.123.181:3003 192.168.123.181:3004 192.168.123.181:3005 192.168.123.181:3006 --cluster-replicas 1

 6、执行redis连接操作

redis-cli -c -h 192.168.123.181 -p 3001