kafka-node-reply/test.js

Kafka node reply is a function support service can send message as request and receive response from other consumer to complete request. Write base package kafka-node https://www.npmjs.com/package/kafka-node

const kafka = require("kafka-node");
const kafkaReply = require("kafka-node-reply");

let client = new kafka.KafkaClient(options);
let admin = new kafka.Admin(client);

let  requestTopicTops = {
  "topic": "TopicRequest", 
  "requestTimeout": 30000,
  "options": { 
    "partitionerType": 2,
    "requireAcks": 0
  }
}

let responseTopicOptions = {
  "topic": "TopicReply",
  "options": { 
    "groupId": "group-A-reply"
  }
}

// Create new kafka request response instance
let kafkaReqRes = new kafkaReply(client, admin, requestTopicTops, responseTopicOptions, options) 


let message = {
  "ation": "getUser",
  "body": {
    "userId": 1,
    "email": "example@email.com"
  },
  "headers": {
    "ContentType": "json/application"
  }
}

kafkaReqRes.requestSync(message).then((data)=> {
  console.log("Response success data", data)
}).error((err)=>{
  console.log("Response error message", err)
})