我可以从我的 NodeJS 应用动态创建 RabbitMQ 铲吗?

Can I dynamically create RabbitMQ shovel from my NodeJS app?

RabbitMQ 铲子插件提供了一个 HTTP API 来创建和配置铲子。假设我已经为我的 RabbitMQ 服务器实例启用了铲子和铲子管理插件,我可以从我的 NodeJS 应用程序动态创建铲子吗?

我目前使用 amqplib 连接到交易所。 https://www.squaremobius.net/amqp.node/channel_api.html

但是我没有看到任何 API 动态创建铲子。这是可以实现的还是有任何其他库支持这个?

amqplib does not provide any specific method to create dynamically shovels, but you can do that using the Management HTTP-based API as specified in the docs: https://www.rabbitmq.com/shovel-dynamic.html#tutorial

因此,在纯 Node.js 中,这是以编程方式创建铲子的 HTTP 请求(PUT 方法)示例:

var http = require('http');

var rabbit_host = "myrabbitmq.com";
var token = Buffer.from("admin:admin_pwd").toString('base64');
var shovel_name = "my_shovel";

var payload = {
    "component": "shovel",
    "vhost": "/",
    "name": "my_shovel",
    "value": {
        "src-uri": "amqp://user1:pwd1@myrabbitmq.com",
        "src-exchange": "test",
        "dest-uri": "amqp://user2:pwd2@anotherbroker.com",
        "dest-exchange-key": "test2",
        "add-forward-headers": false,
        "ack-mode": "on-confirm",
        "delete-after": "never"
    }
};

var options = {
  "host": rabbit_host,
  "port": 15672,
  "path": "/api/parameters/shovel/%2F/" + shovel_name,
  "method": "PUT",
  "headers": { 
    "Authorization" : "Basic " + token,
    "Content-Type" : "application/json",
  }
}

var callback = function(response) {
    var str = ''
    response.on('data', function(chunk){
        str += chunk;
    });

    response.on('end', function(){
        console.log("end: response="+str);
    });
}

var body = JSON.stringify(payload);
http.request(options, callback).end(body).on('error', function(e) {
    console.log("error: " + e.message);
});

显然主机 "myrabbitmq.com" 必须可以从端口 15672 上的 Node.js 脚本访问。

上面的示例创建了一个从 "myrabbitmq.com" 到 "anotherbroker.com" 的铲子,指定了路由消息的交换。