docker-compose啟動redis多機(jī)集群的實現(xiàn)(6臺服務(wù)器3主3從)

更新時間：2022年07月13日 15:16:10 作者：開發(fā)運(yùn)維玄德公

本文主要介紹了docker-compose啟動redis多機(jī)集群的實現(xiàn)(6臺服務(wù)器3主3從)，文中通過示例代碼介紹的非常詳細(xì)，對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價值，需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧

1. 環(huán)境說明

節(jié)點	IP
redis-node-1	10.10.239.31
redis-node-2	10.10.239.32
redis-node-3	10.10.239.33
redis-node-4	10.10.239.34
redis-node-5	10.10.239.35
redis-node-6	10.10.239.36

2. 集群部署

redis-node-1

yml 文件

version: '2.2'
services:
  redis-node-1:
    image: bitnami/redis-cluster:7.0
    restart: always
    container_name: redis-node-1
    network_mode: "host"
    volumes:
      - ./redis-cluster_data-1:/bitnami/redis/data
    environment:
      - 'REDIS_PASSWORD=liubei@161'
      - 'REDIS_NODES=10.10.239.31 10.10.239.32 10.10.239.33 10.10.239.34 10.10.239.35 10.10.239.36'

持久化存儲

因為容器中執(zhí)行初始化的不是root用戶，自動創(chuàng)建掛載文件權(quán)限一般會有問題。我這里容器中執(zhí)行初始化的用戶對應(yīng)宿主機(jī)ID是1001的用戶，因此提前給了權(quán)限（當(dāng)然你也可以直接給777權(quán)限，但不建議）。
如果你不是這個用戶，可以先給777權(quán)限。等容器啟動后看初始化后的文件屬主是誰，就把該目錄的屬主改成誰，然后改回755或750權(quán)限。

[root@liubei-01 redis-cluster]# mkdir ./redis-cluster_data-1
[root@liubei-01 redis-cluster]# chown 1001  ./redis-cluster_data-1

啟動

[root@liubei-01 redis-cluster]# docker-compose up -d

查看結(jié)果

[root@liubei-01 redis-cluster]# docker-compose ps
Name Command State Ports
--------------------------------------------------------------------------------------------------------
redis-node-1 /opt/bitnami/scripts/redis ... Up

redis-node-2

version: '2.2'
services:
  redis-node-2:
    image: bitnami/redis-cluster:7.0
    restart: always
    container_name: redis-node-2
    network_mode: "host"
    volumes:
      - ./redis-cluster_data-2:/bitnami/redis/data
    environment:
      - 'REDIS_PASSWORD=liubei@161'
      - 'REDIS_NODES=10.10.239.31 10.10.239.32 10.10.239.33 10.10.239.34 10.10.239.35 10.10.239.36'

持久化存儲

[root@liubei-02 redis-cluster]# mkdir ./redis-cluster_data-2
[root@liubei-02 redis-cluster]# chown 1001  ./redis-cluster_data-2

啟動

[root@liubei-02 redis-cluster]# docker-compose up -d

查看結(jié)果

[root@liubei-02 redis-cluster]# docker-compose ps
Name Command State Ports
--------------------------------------------------------------------------------------------------------
redis-node-2 /opt/bitnami/scripts/redis ... Up

redis-node-3

version: '2.2'

services:
  redis-node-3:
    image: bitnami/redis-cluster:7.0
    restart: always
    container_name: redis-node-3
    network_mode: "host"
    volumes:
      - ./redis-cluster_data-3:/bitnami/redis/data
    environment:
      - 'REDIS_PASSWORD=liubei@161'
      - 'REDIS_NODES=10.10.239.31 10.10.239.32 10.10.239.33 10.10.239.34 10.10.239.35 10.10.239.36'

持久化存儲

[root@liubei-03 redis-cluster]# mkdir ./redis-cluster_data-3
[root@liubei-03 redis-cluster]# chown 1001  ./redis-cluster_data-3

啟動

[root@liubei-03 redis-cluster]# docker-compose up -d

查看結(jié)果

[root@liubei-03 redis-cluster]# docker-compose ps
Name Command State Ports
--------------------------------------------------------------------------------------------------------
redis-node-3 /opt/bitnami/scripts/redis ... Up

redis-node-4

version: '2.2'
services:
  redis-node-2:
    image: bitnami/redis-cluster:7.0
    restart: always
    container_name: redis-node-4
    network_mode: "host"
    volumes:
      - ./redis-cluster_data-4:/bitnami/redis/data
    environment:
      - 'REDIS_PASSWORD=liubei@161'
      - 'REDIS_NODES=10.10.239.31 10.10.239.32 10.10.239.33 10.10.239.34 10.10.239.35 10.10.239.36'

持久化存儲

[root@liubei-04 redis-cluster]# mkdir ./redis-cluster_data-4
[root@liubei-04 redis-cluster]# chown 1001  ./redis-cluster_data-4

啟動

[root@liubei-04 redis-cluster]# docker-compose up -d

查看結(jié)果

[root@liubei-04 redis-cluster]# docker-compose ps
Name Command State Ports
--------------------------------------------------------------------------------------------------------
redis-node-4 /opt/bitnami/scripts/redis ... Up

redis-node-5

version: '2.2'

services:
  redis-node-5:
    image: bitnami/redis-cluster:7.0
    restart: always
    container_name: redis-node-5
    network_mode: "host"
    volumes:
      - ./redis-cluster_data-5:/bitnami/redis/data
    environment:
      - 'REDIS_PASSWORD=liubei@161'
      - 'REDIS_NODES=10.10.239.31 10.10.239.32 10.10.239.33 10.10.239.34 10.10.239.35 10.10.239.36'

持久化存儲

[root@liubei-05 redis-cluster]# mkdir ./redis-cluster_data-5
[root@liubei-05 redis-cluster]# chown 1001  ./redis-cluster_data-5

啟動

[root@liubei-05 redis-cluster]# docker-compose up -d

查看結(jié)果

[root@liubei-05 redis-cluster]# docker-compose ps
Name Command State Ports
--------------------------------------------------------------------------------------------------------
redis-node-5 /opt/bitnami/scripts/redis ... Up

redis-node-6

version: '2.2'

services:
  redis-node-6:
    image: bitnami/redis-cluster:7.0
    restart: always
    container_name: redis-node-6
    network_mode: "host"
    volumes:
      - ./redis-cluster_data-6:/bitnami/redis/data
    environment:
      - 'REDIS_PASSWORD=liubei@161'
      - 'REDIS_NODES=10.10.239.31 10.10.239.32 10.10.239.33 10.10.239.34 10.10.239.35 10.10.239.36'

持久化存儲

[root@liubei-06 redis-cluster]# mkdir ./redis-cluster_data-6
[root@liubei-06 redis-cluster]# chown 1001  ./redis-cluster_data-6

啟動

[root@liubei-06 redis-cluster]# docker-compose up -d

查看結(jié)果

[root@liubei-06 redis-cluster]# docker-compose ps
Name Command State Ports
--------------------------------------------------------------------------------------------------------
redis-node-6 /opt/bitnami/scripts/redis ... Up

3. 初始化

 redis-cli -h 10.10.239.31 -a liubei@161 --cluster create 10.10.239.31:6379 10.10.239.32:6379 10.10.239.33:6379 10.10.239.34:6379 10.10.239.35:6379 10.10.239.36:6379 --cluster-replicas 1

輸出結(jié)果和狀態(tài)查看參考另一篇文檔《docker-compose啟動redis偽集群》初始化部分。

4. 測試

I have no name!@0fc49662e765:/$ redis-cli -h 10.10.239.31 -a liubei@161 -c
Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe.
10.10.239.31:6379> set name liubei
-> Redirected to slot [5798] located at 10.10.239.35:6379
OK
10.10.239.35:6379> get name
"liubei"
10.10.239.35:6379>

說明：
進(jìn)入10.10.239.31的redis容器，從該節(jié)點進(jìn)入集群，寫入數(shù)據(jù)。
顯示寫入在 10.10.239.35 這個節(jié)點
同時我們的連接也跳到了這個節(jié)點。
我們讀一下，讀到了數(shù)據(jù)。
換一個節(jié)點連接，效果相同。

可參考另一篇文檔《docker-compose啟動redis偽集群》測試部分。

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