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@elastic/transport

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@elastic/transport

Transport classes and utilities shared among Node.js Elastic client libraries

  • 8.0.2
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
556K
increased by20.9%
Maintainers
80
Weekly downloads
 
Created

What is @elastic/transport?

@elastic/transport is a low-level HTTP transport library for Node.js, designed to be used with Elasticsearch clients. It provides the core functionality for making HTTP requests to Elasticsearch clusters, handling retries, and managing connections.

What are @elastic/transport's main functionalities?

Basic HTTP Request

This feature allows you to make basic HTTP requests to an Elasticsearch cluster. The code sample demonstrates how to create a Transport instance and make a GET request to the root endpoint of the Elasticsearch cluster.

const { Transport } = require('@elastic/transport');

const transport = new Transport({
  node: 'http://localhost:9200'
});

async function makeRequest() {
  const response = await transport.request({
    method: 'GET',
    path: '/'
  });
  console.log(response.body);
}

makeRequest();

Handling Retries

This feature allows you to configure the number of retries for failed requests. The code sample demonstrates how to set up a Transport instance with a maximum of 3 retries and handle the request failure.

const { Transport } = require('@elastic/transport');

const transport = new Transport({
  node: 'http://localhost:9200',
  maxRetries: 3
});

async function makeRequest() {
  try {
    const response = await transport.request({
      method: 'GET',
      path: '/'
    });
    console.log(response.body);
  } catch (error) {
    console.error('Request failed after 3 retries:', error);
  }
}

makeRequest();

Connection Pooling

This feature allows you to manage multiple connections to different nodes in an Elasticsearch cluster. The code sample demonstrates how to create a Transport instance with a pool of nodes and make a request.

const { Transport } = require('@elastic/transport');

const transport = new Transport({
  nodes: [
    'http://localhost:9200',
    'http://localhost:9201'
  ]
});

async function makeRequest() {
  const response = await transport.request({
    method: 'GET',
    path: '/'
  });
  console.log(response.body);
}

makeRequest();

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Package last updated on 21 Feb 2022

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