instrumentation-node-cache

OpenTelemetry node-cache Instrumentation for Node.js

This module provides automatic instrumentation for node-cache.

Supports versions >=5.0.0 of node-cache

Installation

npm install --save opentelemetry-instrumentation-node-cache

Usage

For further automatic instrumentation instruction see the @opentelemetry/instrumentation package.

const { NodeTracerProvider } = require('@opentelemetry/sdk-trace-node');
const { registerInstrumentations } = require('@opentelemetry/instrumentation');
const { NodeCacheInstrumentation } = require('opentelemetry-instrumentation-node-cache');

registerInstrumentations({
  tracerProvider,
  instrumentations: [
    new NodeCacheInstrumentation({
      // see under for available configuration
    })
  ]
});

node-cache Instrumentation Options

node-cache instrumentation has few options available to choose from. You can set the following:

Option	Type	Description
requestHook	function	Hook for adding custom attributes before express start handling the request. Receives params: span, { moduleVersion, operation, args }
responseHook	function	Hook called before response is returned, which allows to add custom attributes to span. Function receive params: span, { operation, response }
requireParentSpan	boolean	Set to true if you only want to trace operation which has parent spans

See the tests for config usage example.

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This extension (and many others) was developed by Aspecto with ❤️