opentelemetry-js/packages/opentelemetry-plugin-dns

OpenTelemetry DNS Instrumentation for Node.js

This module provides automatic instrumentation for dns.

For automatic instrumentation see the @opentelemetry/node package.

Installation

npm install --save @opentelemetry/plugin-dns

Usage

const { NodeTracerProvider } = require('@opentelemetry/node');

const provider = new NodeTracerProvider({
  plugins: {
    dns: {
      enabled: true,
      // You may use a package name or absolute path to the file.
      path: '@opentelemetry/plugin-dns',
      // dns plugin options
    }
  }
});

Zipkin

If you use Zipkin, you must use ignoreHostnames in order to not trace those calls. If the server is local. You can set :

const provider = new NodeTracerProvider({
  plugins: {
    dns: {
      enabled: true,
      // You may use a package name or absolute path to the file.
      path: '@opentelemetry/plugin-dns',
      ignoreHostnames: ['localhost']
    }
  }
});

Dns Plugin Options

Dns plugin has currently one option. You can set the following:

Options	Type	Description
ignoreHostnames	IgnoreMatcher[]	Dns plugin will not trace all requests that match hostnames

Useful links

• For more information on OpenTelemetry, visit: https://opentelemetry.io/
• For more about OpenTelemetry JavaScript: https://github.com/open-telemetry/opentelemetry-js
• For help or feedback on this project, join us on gitter

License

Apache 2.0 - See LICENSE for more information.