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Docker RocketMQ 集群

大南瓜鸭 2022-09-05 阅读 74


创建挂载目录

mkdir -p  /app/rocketmq/logs/nameserver-a
mkdir -p /app/rocketmq/logs/nameserver-b
mkdir -p /app/rocketmq/store/nameserver-a
mkdir -p /app/rocketmq/store/nameserver-b
mkdir -p /app/rocketmq/logs/broker-a
mkdir -p /app/rocketmq/logs/broker-b
mkdir -p /app/rocketmq/store/broker-a
mkdir -p /app/rocketmq/store/broker-b
mkdir -p /app/rocketmq/broker-a/
mkdir

创建broker.conf
broker.conf是Broker的配置文件,因为此时RocketMQ镜像还没有拉取,所以还没有默认的broker.conf。所以这里直接写好,到时候通过命令替换默认的broker.conf。

因为是双主模式部署,所以会有两个broker.conf,这里暂且命名 broker-a.conf 和 broker-b.conf

  1. broker-a.conf

vim

brokerClusterName = rocketmq-cluster
brokerName = broker-a
brokerId = 0
#这个很有讲究 如果是正式环境 这里一定要填写内网地址(安全)
#如果是用于测试或者本地这里建议要填外网地址,因为你的本地代码是无法连接到阿里云内网,只能连接外网。
brokerIP1 = 192.168.92.129
deleteWhen = 04
fileReservedTime = 48
brokerRole = ASYNC_MASTER
flushDiskType = ASYNC_FLUSH
# 内网的(阿里云有内网IP和外网IP)
namesrvAddr=172.18.0.5:9876;172.18.0.5:9877
autoCreateTopicEnable=true
#Broker 对外服务的监听端口,
listenPort = 10911
#Broker角色
#- ASYNC_MASTER 异步复制Master
#- SYNC_MASTER 同步双写Master
#- SLAVE
brokerRole=ASYNC_MASTER
#刷盘方式
#- ASYNC_FLUSH 异步刷盘
#- SYNC_FLUSH 同步刷盘
flushDiskType=ASYNC_FLUSH

Docker RocketMQ 集群_java


这里配置的主要信息有:

1、当前Broker对外暴露的端口号
2、注册到NameServer的地址,看到这里有两个地址,说明NameServer也是集群部署。
3、当前Broker的角色,是主还是从,这里表示是主。

2)broker-b.conf

vim

brokerClusterName = rocketmq-cluster
brokerName = broker-b
brokerId = 0
brokerIP1 = 192.168.92.129
deleteWhen = 04
fileReservedTime = 48
brokerRole = ASYNC_MASTER
flushDiskType = ASYNC_FLUSH
# 内网的(阿里云有内网IP和外网IP)
namesrvAddr=172.18.0.5:9876;172.18.0.5:9877
autoCreateTopicEnable=true
#Broker 对外服务的监听端口,
listenPort = 10909
#Broker角色
#- ASYNC_MASTER 异步复制Master
#- SYNC_MASTER 同步双写Master
#- SLAVE
brokerRole=ASYNC_MASTER
#刷盘方式
#- ASYNC_FLUSH 异步刷盘
#- SYNC_FLUSH 同步刷盘
flushDiskType=ASYNC_FLUSH

这个上面并无差别,只是当前Brocker对外暴露的端口不一样。

3、编写 docker-compose.yml
我们可以简单把docker-compose.yml理解成一个类似Shell的脚本,这个脚本定义了运行多容器应用程序的信息。

vim

version: '3.5'
services:
rmqnamesrv-a:
image: rocketmqinc/rocketmq:4.3.0
container_name: rmqnamesrv-a
ports:
- 9876:9876
volumes:
- /app/rocketmq/logs/nameserver-a:/opt/logs
- /app/rocketmq/store/nameserver-a:/opt/store
command: sh mqnamesrv
networks:
rmq:
aliases:
- rmqnamesrv-a

rmqnamesrv-b:
image: rocketmqinc/rocketmq:4.3.0
container_name: rmqnamesrv-b
ports:
- 9877:9877
volumes:
- /app/rocketmq/logs/nameserver-b:/opt/logs
- /app/rocketmq/store/nameserver-b:/opt/store
command: sh mqnamesrv
networks:
rmq:
aliases:
- rmqnamesrv-b

rmqbroker-a:
image: rocketmqinc/rocketmq:4.3.0
container_name: rmqbroker-a
ports:
- 10911:10911
volumes:
- /app/rocketmq/logs/broker-a:/opt/logs
- /app/rocketmq/store/broker-a:/opt/store
- /app/rocketmq/broker-a/broker-a.conf:/opt/rocketmq-4.3.0/conf/broker.conf
environment:
TZ: Asia/Shanghai
NAMESRV_ADDR: "rmqnamesrv-a:9876"
JAVA_OPTS: " -Duser.home=/opt"
JAVA_OPT_EXT: "-server -Xms256m -Xmx256m -Xmn256m"
command: sh mqbroker -c /app/rocketmq-4.3.0/conf/broker.conf autoCreateTopicEnable=true &
links:
- rmqnamesrv-a:rmqnamesrv-a
- rmqnamesrv-b:rmqnamesrv-b
networks:
rmq:
aliases:
- rmqbroker-a

rmqbroker-b:
image: rocketmqinc/rocketmq:4.3.0
container_name: rmqbroker-b
ports:
- 10909:10909
volumes:
- /app/rocketmq/logs/broker-b:/opt/logs
- /app/rocketmq/store/broker-b:/opt/store
- /app/rocketmq/broker-b/broker-b.conf:/opt/rocketmq-4.3.0/conf/broker.conf
environment:
TZ: Asia/Shanghai
NAMESRV_ADDR: "rmqnamesrv-b:9876"
JAVA_OPTS: " -Duser.home=/opt"
JAVA_OPT_EXT: "-server -Xms256m -Xmx256m -Xmn256m"
command: sh mqbroker -c /opt/rocketmq-4.3.0/conf/broker.conf autoCreateTopicEnable=true &
links:
- rmqnamesrv-a:rmqnamesrv-a
- rmqnamesrv-b:rmqnamesrv-b
networks:
rmq:
aliases:
- rmqbroker-b
rmqconsole:
image: styletang/rocketmq-console-ng
container_name: rmqconsole
ports:
- 9001:9001
environment:
JAVA_OPTS: -Drocketmq.namesrv.addr=rmqnamesrv-a:9876;rmqnamesrv-b:9877 -Dcom.rocketmq.sendMessageWithVIPChannel=false
networks:
rmq:
aliases:
- rmqconsole
networks:
rmq:
name: rmq
driver: bridge

从配置文件可以大致看出几点:

1、通过Docker总共拉取了5条镜像记录。rmqnamesrv-a、rmqnamesrv-b、rmqbroker-a、rmqbroker-b、rmqconsole。
2、rmqconsole是一个可视化的工具,可以通过页面来查看RocketMQ相关信息。
3、可以看出对于broker的配置文件broker.conf已经被broker-a/b.conf替换。

关键一步
前面所有的操作,都是为这一步的铺垫,通过docker-compose执行docker-compose.yml配置文件

docker-compose -f docker-compose.yml up -d

Docker RocketMQ 集群_内网_02


查看可视化界面

​​http://192.168.92.129:9001/​​


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