@opentelemetry/instrumentation-xml-http-request
v0.55.0
Published
OpenTelemetry instrumentation for XMLHttpRequest http client in web browsers
Downloads
1,229,568
Readme
OpenTelemetry XMLHttpRequest Instrumentation for web
Note: This is an experimental package under active development. New releases may include breaking changes.
This module provides auto instrumentation for web using XMLHttpRequest .
Installation
npm install --save @opentelemetry/instrumentation-xml-http-request
Usage
import {
ConsoleSpanExporter,
SimpleSpanProcessor,
WebTracerProvider,
} from '@opentelemetry/sdk-trace-web';
import { XMLHttpRequestInstrumentation } from '@opentelemetry/instrumentation-xml-http-request';
import { ZoneContextManager } from '@opentelemetry/context-zone';
import { registerInstrumentations } from '@opentelemetry/instrumentation';
const providerWithZone = new WebTracerProvider({
spanProcessors: [new SimpleSpanProcessor(new ConsoleSpanExporter())]
});
providerWithZone.register({
contextManager: new ZoneContextManager(),
});
registerInstrumentations({
instrumentations: [
new XMLHttpRequestInstrumentation({
propagateTraceHeaderCorsUrls: ['http://localhost:8090']
}),
],
});
const webTracerWithZone = providerWithZone.getTracer('default');
/////////////////////////////////////////
// or plugin can be also initialised separately and then set the tracer provider or meter provider
const xmlHttpRequestInstrumentation = new XMLHttpRequestInstrumentation({
propagateTraceHeaderCorsUrls: ['http://localhost:8090']
});
const providerWithZone = new WebTracerProvider();
providerWithZone.register({
contextManager: new ZoneContextManager(),
});
xmlHttpRequestInstrumentation.setTracerProvider(providerWithZone);
/////////////////////////////////////////
// and some test
const req = new XMLHttpRequest();
req.open('GET', 'http://localhost:8090/xml-http-request.js', true);
req.send();
XHR Instrumentation options
XHR instrumentation plugin has few options available to choose from. You can set the following:
| Options | Type | Description |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------|-----------------------------------------------------------------------------------------|
| applyCustomAttributesOnSpan
| XHRCustomAttributeFunction
| Function for adding custom attributes |
| ignoreNetworkEvents
| boolean
| Disable network events being added as span events (network events are added by default) |
| measureRequestSize
| boolean
| Measure outgoing request length (outgoing request length is not measured by default) |
Semantic Conventions
This package uses @opentelemetry/semantic-conventions
version 1.22+
, which implements Semantic Convention Version 1.7.0
Attributes collected:
| Attribute | Short Description |
| ------------------------------------------- | ------------------------------------------------------------------------------ |
| http.status_code
| HTTP response status code |
| http.host
| The value of the HTTP host header |
| http.user_agent
| Value of the HTTP User-Agent header sent by the client |
| http.scheme
| The URI scheme identifying the used protocol |
| http.url
| Full HTTP request URL |
| http.method
| HTTP request method |
| http.request_content_length_uncompressed
| Uncompressed size of the request body, if any body exists |
Example Screenshots
See examples/tracer-web for a short example.
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 in GitHub Discussions
License
Apache 2.0 - See LICENSE for more information.