docker-compose 搭建redis集群(三台服务器，每台服务器上一主一从)

// 更新软件包索引
sudo apt-get update

// 允许APT使用HTTPS
sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

// 添加 Docker 的官方 GPG 密钥：
sudo  curl -fsSL https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
// 设置稳定版仓库
sudo add-apt-repository \
   "deb [arch=amd64] https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu/ \
  $(lsb_release -cs) \
  stable"
// 更新软件包索引
sudo apt-get update

// 安装 Docker
sudo apt-get install docker-ce

// 查看Docker状态
sudo systemctl status docker

sudo curl -L "https://github.com/docker/compose/releases/download/v2.29.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

#!/bin/bash

for dir in master/data slave/data; do
  mkdir -p "/home/arkham/docker/redis/redis-cluster/$dir";
done

#!/bin/bash

for dir in master slave; do
 if [ "$dir" == "master" ]; then
    port=6379
  elif [ "$dir" == "slave" ]; then
    port=6380
  fi
echo "port $port
save 900 1
save 300 10
save 60 10000
dbfilename dump.rdb
dir /data
appendonly yes
appendfilename "appendonly.aof"
appendfsync everysec
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
requirepass 123456arkham
masterauth 123456arkham
cluster-announce-ip 192.168.10.128" >/home/arkham/docker/redis/redis-cluster/$dir/redis.conf;
done

# 给sehll目录下所有文件增加权限
chmod -R 775 /home/server/shell

# 查看行尾符 dos格式的文件行尾为^M$，而unix格式的文件行尾为$
sudo  cat -A redis.sh
# 修改
sudo  sed -i "s/\r//" redis.sh

version: '3.1'

services:
  redis-master:
    image: redis:latest
    container_name: redis-master
    restart: always
    ports:
      - "6379:6379"
      - "16379:16379"
    environment:
      - TZ=Asia/Shanghai
    volumes:
    - /home/arkham/docker/redis/redis-cluster/master/data:/data
    - /home/arkham/docker/redis/redis-cluster/master/redis.conf:/usr/local/etc/redis/redis.conf
    deploy:
      resources:
        limits:
          cpus: '2'
          memory: 4G
        reservations:
          cpus: '2'
          memory: 4G
    command: ["redis-server","/usr/local/etc/redis/redis.conf"]

  redis-slave:
    image: redis:latest
    container_name: redis-slave
    restart: always
    ports:
      - "6380:6380"
      - "16380:16380"
    environment:
      - TZ=Asia/Shanghai
    volumes:
      - /home/arkham/docker/redis/redis-cluster/slave/data:/data
      - /home/arkham/docker/redis/redis-cluster/slave/redis.conf:/usr/local/etc/redis/redis.conf
    deploy:
      resources:
        limits:
          cpus: '2'
          memory: 4G
        reservations:
          cpus: '2'
          memory: 4G
    command: [ "redis-server","/usr/local/etc/redis/redis.conf" ]

sudo docker-compose up -d

sudo mkdir -p /etc/docker

sudo tee /etc/docker/daemon.json <<-'EOF'
{
    "registry-mirrors": [
        "https://do.nark.eu.org",
        "https://dc.j8.work",
        "https://docker.m.daocloud.io",
        "https://dockerproxy.com",
        "https://docker.mirrors.ustc.edu.cn",
        "https://docker.nju.edu.cn"
    ]
}
sudo systemctl daemon-reload
sudo systemctl restart docker

// 进入任意 Redis 容器
docker exec -it redis-master  /bin/bash
// 执行创建集群
redis-cli -a 123456arkham --cluster create 192.168.10.128:6379 192.168.10.128:6380 192.168.10.129:6379 192.168.10.129:6380 192.168.10.129:6379 192.168.10.129:6380 --cluster-replicas 1
// 创建成功后连接任意一个redis节点
redis-cli -a 123456arkham -c -h 192.168.10.128 -p 6379
// 查看集群信息
cluster info

192.168.10.128:6379> cluster info
cluster_state:ok
cluster_slots_assigned:16384
cluster_slots_ok:16384
cluster_slots_pfail:0
cluster_slots_fail:0
cluster_known_nodes:4
cluster_size:3
cluster_current_epoch:4
cluster_my_epoch:1
cluster_stats_messages_ping_sent:2972
cluster_stats_messages_pong_sent:2841
cluster_stats_messages_fail_sent:4
cluster_stats_messages_sent:5817
cluster_stats_messages_ping_received:2841
cluster_stats_messages_pong_received:2970
cluster_stats_messages_fail_received:2
cluster_stats_messages_received:5813
total_cluster_links_buffer_limit_exceeded:0