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mw-instrumentation-fetch

v0.36.0

Published

OpenTelemetry fetch automatic instrumentation package.

Downloads

3

Readme

OpenTelemetry Fetch Instrumentation for web

NPM Published Version Apache License

Note: This is an experimental package under active development. New releases may include breaking changes.

This module provides auto instrumentation for web using fetch.

Installation

npm install --save @opentelemetry/instrumentation-fetch

Usage

import {
  ConsoleSpanExporter,
  SimpleSpanProcessor,
  WebTracerProvider,
} from '@opentelemetry/sdk-trace-web';
import { FetchInstrumentation } from '@opentelemetry/instrumentation-fetch';
import { ZoneContextManager } from '@opentelemetry/context-zone';
import { registerInstrumentations } from '@opentelemetry/instrumentation';

const provider = new WebTracerProvider();

provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));

provider.register({
  contextManager: new ZoneContextManager(),
});

registerInstrumentations({
  instrumentations: [new FetchInstrumentation()],
});

// or plugin can be also initialised separately and then set the tracer provider or meter provider
const fetchInstrumentation = new FetchInstrumentation();
const provider = new WebTracerProvider();
provider.register({
  contextManager: new ZoneContextManager(),
});
fetchInstrumentation.setTracerProvider(provider);

provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));


// and some test

fetch('http://localhost:8090/fetch.js');

Example Screenshots

Screenshot of the running example Screenshot of the running example Screenshot of the running example

See examples/tracer-web/fetch for a short example.

Fetch Instrumentation options

Fetch instrumentation plugin has few options available to choose from. You can set the following:

| Options | Type | Description | |--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------|-----------------------------------------------------------------------------------------| | applyCustomAttributesOnSpan | HttpCustomAttributeFunction | Function for adding custom attributes | | ignoreNetworkEvents | boolean | Disable network events being added as span events (network events are added by default) |

Useful links

License

Apache 2.0 - See LICENSE for more information.