【RabbitMQ实战】07 3分钟部署一个RabbitMQ集群

一、集群的安装部署

我们还是利用docker来安装RabbitMQ集群。3分钟安装一个集群,开始。
前提条件,docker安装了docker-compose。如果没安装的话,参考这里

docker-compose文件参考bitnami官网:https://github.com/bitnami/containers/tree/main/bitnami/rabbitmq#setting-up-a-cluster
这是最简单的方式安装一个RabbitMQ集群
docker-compose.yml如下:

version: '2'

services:
  stats:
    image: bitnami/rabbitmq
    environment:
      - RABBITMQ_NODE_TYPE=stats
      - RABBITMQ_NODE_NAME=rabbit@stats
      - RABBITMQ_ERL_COOKIE=s3cr3tc00ki3
    ports:
      - '15672:15672'
    volumes:
      - 'rabbitmqstats_data:/bitnami/rabbitmq/mnesia'
  queue-disc1:
    image: bitnami/rabbitmq
    environment:
      - RABBITMQ_NODE_TYPE=queue-disc
      - RABBITMQ_NODE_NAME=rabbit@queue-disc1
      - RABBITMQ_CLUSTER_NODE_NAME=rabbit@stats
      - RABBITMQ_ERL_COOKIE=s3cr3tc00ki3
    volumes:
      - 'rabbitmqdisc1_data:/bitnami/rabbitmq/mnesia'
  queue-ram1:
    image: bitnami/rabbitmq
    environment:
      - RABBITMQ_NODE_TYPE=queue-ram
      - RABBITMQ_NODE_NAME=rabbit@queue-ram1
      - RABBITMQ_CLUSTER_NODE_NAME=rabbit@stats
      - RABBITMQ_ERL_COOKIE=s3cr3tc00ki3
    volumes:
      - 'rabbitmqram1_data:/bitnami/rabbitmq/mnesia'

volumes:
  rabbitmqstats_data:
    driver: local
  rabbitmqdisc1_data:
    driver: local
  rabbitmqram1_data:
    driver: local

新建docker-compose.yml

我新建了一个目录mycompose,进入到这个目录,然后用上面的yml新建一个文件
用cat命令,输出到docker-compose.yml

[root@localhost mycompose]# cat >> docker-compose.yml << EOF
> version: '2'
> 
> services:
>   stats:
>     image: bitnami/rabbitmq
>     environment:
>       - RABBITMQ_NODE_TYPE=stats
>       - RABBITMQ_NODE_NAME=rabbit@stats
>       - RABBITMQ_ERL_COOKIE=s3cr3tc00ki3
>     ports:
>       - '15672:15672'
>     volumes:
>       - 'rabbitmqstats_data:/bitnami/rabbitmq/mnesia'
>   queue-disc1:
>     image: bitnami/rabbitmq
>     environment:
>       - RABBITMQ_NODE_TYPE=queue-disc
>       - RABBITMQ_NODE_NAME=rabbit@queue-disc1
>       - RABBITMQ_CLUSTER_NODE_NAME=rabbit@stats
>       - RABBITMQ_ERL_COOKIE=s3cr3tc00ki3
>     volumes:
>       - 'rabbitmqdisc1_data:/bitnami/rabbitmq/mnesia'
>   queue-ram1:
>     image: bitnami/rabbitmq
>     environment:
>       - RABBITMQ_NODE_TYPE=queue-ram
>       - RABBITMQ_NODE_NAME=rabbit@queue-ram1
>       - RABBITMQ_CLUSTER_NODE_NAME=rabbit@stats
>       - RABBITMQ_ERL_COOKIE=s3cr3tc00ki3
>     volumes:
>       - 'rabbitmqram1_data:/bitnami/rabbitmq/mnesia'
> 
> volumes:
>   rabbitmqstats_data:
>     driver: local
>   rabbitmqdisc1_data:
>     driver: local
>   rabbitmqram1_data:
>     driver: local
> EOF
[root@localhost mycompose]# ls -al
总用量 4
drwxr-xr-x. 2 root root   32 924 21:26 .
dr-xr-x---. 6 root root  254 924 21:23 ..
-rw-r--r--. 1 root root 1017 924 21:26 docker-compose.yml

查看文件,建好了

[root@localhost mycompose]# ls -al
总用量 4
drwxr-xr-x. 2 root root   32 924 21:26 .
dr-xr-x---. 6 root root  254 924 21:23 ..
-rw-r--r--. 1 root root 1017 924 21:26 docker-compose.yml

在当前目录执行docker-compose up

[root@localhost mycompose]# docker-compose up

执行效果如下:
【RabbitMQ实战】07 3分钟部署一个RabbitMQ集群_第1张图片
启动完成后,发现确实是启了三个RabbitMQ的容器

[root@localhost ~]# docker ps
CONTAINER ID   IMAGE              COMMAND                   CREATED         STATUS         PORTS                                                                                                         NAMES
a8abe421a79a   bitnami/rabbitmq   "/opt/bitnami/script…"   2 minutes ago   Up 2 minutes   4369/tcp, 5551-5552/tcp, 5671-5672/tcp, 15671/tcp, 25672/tcp, 0.0.0.0:15672->15672/tcp, :::15672->15672/tcp   mycompose-stats-1
d797db9bbbbb   bitnami/rabbitmq   "/opt/bitnami/script…"   2 minutes ago   Up 2 minutes   4369/tcp, 5551-5552/tcp, 5671-5672/tcp, 15671-15672/tcp, 25672/tcp                                            mycompose-queue-ram1-1
7ed4e7406553   bitnami/rabbitmq   "/opt/bitnami/script…"   2 minutes ago   Up 2 minutes   4369/tcp, 5551-5552/tcp, 5671-5672/tcp, 15671-15672/tcp, 25672/tcp                                            mycompose-queue-disc1-1

进入其中一个容器

如上面所示,我们进入ID为a8abe421a79a的容器。

[root@localhost ~]# docker exec -it a8a /bin/bash

查看集群状态

I have no name!@a8abe421a79a:/$ rabbitmqctl cluster_status
Cluster status of node rabbit@stats ...
Basics

Cluster name: rabbit@a8abe421a79a

Disk Nodes

rabbit@queue-disc1
rabbit@stats

RAM Nodes

rabbit@queue-ram1

Running Nodes

rabbit@queue-disc1
rabbit@queue-ram1
rabbit@stats

Versions

rabbit@queue-disc1: RabbitMQ 3.9.11 on Erlang 24.2
rabbit@queue-ram1: RabbitMQ 3.9.11 on Erlang 24.2
rabbit@stats: RabbitMQ 3.9.11 on Erlang 24.2

Maintenance status

Node: rabbit@queue-disc1, status: not under maintenance
Node: rabbit@queue-ram1, status: not under maintenance
Node: rabbit@stats, status: not under maintenance

Alarms

(none)

Network Partitions

(none)

Listeners

Node: rabbit@queue-disc1, interface: [::], port: 25672, protocol: clustering, purpose: inter-node and CLI tool communication
Node: rabbit@queue-disc1, interface: [::], port: 15692, protocol: http/prometheus, purpose: Prometheus exporter API over HTTP
Node: rabbit@queue-disc1, interface: [::], port: 5672, protocol: amqp, purpose: AMQP 0-9-1 and AMQP 1.0
Node: rabbit@queue-ram1, interface: [::], port: 25672, protocol: clustering, purpose: inter-node and CLI tool communication
Node: rabbit@queue-ram1, interface: [::], port: 15692, protocol: http/prometheus, purpose: Prometheus exporter API over HTTP
Node: rabbit@queue-ram1, interface: [::], port: 5672, protocol: amqp, purpose: AMQP 0-9-1 and AMQP 1.0
Node: rabbit@stats, interface: [::], port: 15672, protocol: http, purpose: HTTP API
Node: rabbit@stats, interface: [::], port: 25672, protocol: clustering, purpose: inter-node and CLI tool communication
Node: rabbit@stats, interface: [::], port: 5672, protocol: amqp, purpose: AMQP 0-9-1 and AMQP 1.0

Feature flags

Flag: drop_unroutable_metric, state: enabled
Flag: empty_basic_get_metric, state: enabled
Flag: implicit_default_bindings, state: enabled
Flag: maintenance_mode_status, state: enabled
Flag: quorum_queue, state: enabled
Flag: stream_queue, state: enabled
Flag: user_limits, state: enabled
Flag: virtual_host_metadata, state: enabled

进入控制台:http://192.168.56.201:15672/#/
账号默认是:用户名:user,密码:bitnami
【RabbitMQ实战】07 3分钟部署一个RabbitMQ集群_第2张图片
如果想停止当前集群,可以用docker-compose down命令。
常用命令如下

docker-compose [-f <arg>...] [options] [COMMAND] [ARGS...]

部分命令选项如下:

-f,–file:指定使用的 Compose 模板文件,默认为 docker-compose.yml,可以多次指定,指定多个 yml;
-p, --project-name:指定工程名称,默认使用 docker-compose.yml 文件所在目录的名称;
-v:打印版本并退出;
–log-level:定义日志等级(DEBUG, INFO, WARNING, ERROR, CRITICAL)。

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