使用docker-compose一键搭建Redis集群

傷城~ 2023-02-17 05:08 14阅读 0赞

### 搭建Redis集群 ###

*  简介
 *   *  准备redis.conf配置文件
     *  准备docker-compose.yml文件

# 简介 #

快速帮助开发者搭建一个redis集群  
脚本下载地址：

下载后: https://download.csdn.net/download/tianjia125/12517841

1.  先执行 createFile.py 生成对应的配置文件和目录
2.  根据脚本提示启动容器，加入集群即可搭建完成

## 准备redis.conf配置文件 ##

bind $ip
    #bind 172.18.0.1
    #bind 0.0.0.0
    protected-mode yes
    port $port
    tcp-backlog 511
    timeout 0
    tcp-keepalive 300
    #daemonize yes
    supervised no
    pidfile "/data/pid/redis.pid"
    loglevel notice
    #logfile "/data/logs/redis.log"
    databases 16
    always-show-logo yes
    save 900 1
    save 300 10
    save 60 10000
    stop-writes-on-bgsave-error yes
    rdbcompression yes
    rdbchecksum yes
    dbfilename "dump.rdb"
    dir "/data/nodes"
    replica-serve-stale-data yes
    replica-read-only yes
    repl-diskless-sync no
    repl-diskless-sync-delay 5
    repl-disable-tcp-nodelay no
    replica-priority 100
    
    lazyfree-lazy-eviction no
    lazyfree-lazy-expire no
    lazyfree-lazy-server-del no
    replica-lazy-flush no
    appendonly no
    appendfilename "appendonly.aof"
    appendfsync everysec
    no-appendfsync-on-rewrite no
    auto-aof-rewrite-percentage 100
    auto-aof-rewrite-min-size 64mb
    aof-load-truncated yes
    aof-use-rdb-preamble yes
    lua-time-limit 5000
    
    cluster-enabled yes
    cluster-config-file "/data/nodes/nodes.conf"
    cluster-node-timeout 15000
    cluster-announce-bus-port 1$port
    cluster-announce-ip $ip
    
    slowlog-max-len 128
    latency-monitor-threshold 0
    notify-keyspace-events ""
    hash-max-ziplist-entries 512
    hash-max-ziplist-value 64
    list-max-ziplist-size -2
    list-compress-depth 0
    set-max-intset-entries 512
    zset-max-ziplist-entries 128
    zset-max-ziplist-value 64
    hll-sparse-max-bytes 3000
    stream-node-max-bytes 4096
    stream-node-max-entries 100
    activerehashing yes
    client-output-buffer-limit normal 0 0 0
    client-output-buffer-limit replica 256mb 64mb 60
    client-output-buffer-limit pubsub 32mb 8mb 60
    hz 10
    dynamic-hz yes
    aof-rewrite-incremental-fsync yes
    rdb-save-incremental-fsync yes
    # Generated by CONFIG REWRITE
    masterauth "$password"
    requirepass "$password"

## 准备docker-compose.yml文件 ##

version: "3"
    services:
      redis-cluster-6380:
        image: redis:5.0.5
        container_name: node-80
        network_mode: host
        ports:
          - 6380:6380
          - 16380:16380
        volumes:
          - ./conf/redis-6380.conf:/usr/local/etc/redis/redis.conf
          #- ./log:/var/log/redis
          - ./data/6380:/data
        command: sh -c "redis-server /usr/local/etc/redis/redis.conf"
        environment:
          # 设置时区为上海，否则时间会有问题
          - TZ=Asia/Shanghai
      redis-cluster-6381:
        image: redis:5.0.5
        container_name: node-81
        network_mode: host
        ports:
          - 6381:6381
          - 16381:16381
        volumes:
          - ./conf/redis-6381.conf:/usr/local/etc/redis/redis.conf
          #- ./log:/var/log/redis
          - ./data/6381:/data
        command: sh -c "redis-server /usr/local/etc/redis/redis.conf"
        environment:
          # 设置时区为上海，否则时间会有问题
          - TZ=Asia/Shanghai
      redis-cluster-6382:
        image: redis:5.0.5
        container_name: node-82
        network_mode: host
        ports:
          - 6382:6382
          - 16382:16382
        volumes:
          - ./conf/redis-6382.conf:/usr/local/etc/redis/redis.conf
          #- ./log:/var/log/redis
          - ./data/6382:/data
        command: sh -c "redis-server /usr/local/etc/redis/redis.conf"
        environment:
          # 设置时区为上海，否则时间会有问题
          - TZ=Asia/Shanghai
      redis-cluster-6383:
        image: redis:5.0.5
        container_name: node-83
        network_mode: host
        ports:
          - 6383:6383
          - 16383:16383
        volumes:
          - ./conf/redis-6383.conf:/usr/local/etc/redis/redis.conf
          #- ./log:/var/log/redis
          - ./data/6383:/data
        command: sh -c "redis-server /usr/local/etc/redis/redis.conf"
        environment:
          # 设置时区为上海，否则时间会有问题
          - TZ=Asia/Shanghai
      redis-cluster-6384:
        image: redis:5.0.5
        container_name: node-84
        network_mode: host
        ports:
          - 6384:6384
          - 16384:16384
        volumes:
          - ./conf/redis-6384.conf:/usr/local/etc/redis/redis.conf
          #- ./log:/var/log/redis
          - ./data/6384:/data
        command: sh -c "redis-server /usr/local/etc/redis/redis.conf"
        environment:
          # 设置时区为上海，否则时间会有问题
          - TZ=Asia/Shanghai
      redis-cluster-6385:
        image: redis:5.0.5
        container_name: node-85
        network_mode: host
        ports:
          - 6385:6385
          - 16385:16385
        volumes:
          - ./conf/redis-6385.conf:/usr/local/etc/redis/redis.conf
          #- ./log:/var/log/redis
          - ./data/6385:/data
        command: sh -c "redis-server /usr/local/etc/redis/redis.conf"
        environment:
          # 设置时区为上海，否则时间会有问题
          - TZ=Asia/Shanghai

准备createFile.py创建目录脚本

import os
    import socket
    from string import Template
    
    def mkdir(path):
        
        path = path.strip()
        path = path.rstrip("/")
        
        # 判断路径是否存在
        isExists=os.path.exists(path)
        
        if not isExists:
            os.makedirs(path)
            print( path + ' 创建成功')
            return True
        else:
            print( path+' 目录已存在')
            return False
    
    ip = price_str = input("输入绑定redis的IP地址：")
    print(ip)
    password = price_str = input("输入redis的密码：")
    print(password)
    
    cmd = 'docker exec -it node-80 redis-cli -p 6380 -a '+password+' --cluster create '
    
    for port in range(6380,6386):
        mkpath=os.getcwd() + "/data/" + str(port) + "/nodes"
        mkdir(mkpath)
    
        file = open(os.getcwd() + '/redis.conf', 'r')
        tem = Template(file.read())
        key = { 'port': str(port), 'ip': ip, 'password': password}
        result = tem.substitute(key)
        
        mkdir(os.getcwd() + '/conf/')
        filename = os.getcwd() + '/conf/redis-'+str(port)+'.conf'
        print(filename + "文件创建成功")
        conf = open(filename, 'w+')
        conf.write(result);
        print(filename + "配置文件写入成功")
        
        cmd += ip + ':' + str(port) + ' '
    
    cmd += '--cluster-replicas 1'
    print("启动命令")
    print("cd " + os.getcwd())
    print("docker-compose up -d")
    print("加入集群命令")
    print(cmd)