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@opentelemetry/instrumentation-fs - npm

OpenTelemetry fs Instrumentation for Node.js

This module provides automatic instrumentation for the fs module, which can be registered using the @opentelemetry/instrumentation package.

Compatible with OpenTelemetry JS API 1.3+.

See the full list of instrumented functions in constants.ts;

npm install --save @opentelemetry/instrumentation-fs

Node.js >=18

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

const provider = new NodeTracerProvider();
provider.register();

registerInstrumentations({
  instrumentations: [
    new FsInstrumentation({
      // see below for available configuration
    }),
  ],
});

You can set the following:

Options Type Description createHook (functionName: FMember | FPMember, info: { args: ArrayLike<unknown> }) => boolean Hook called before creating the span. If false is returned this and all the sibling calls will not be traced. endHook ( functionName: FMember | FPMember, info: { args: ArrayLike<unknown>; span: api.Span } ) => void Function called just before the span is ended. Useful for adding attributes. requireParentSpan boolean Require parent to create fs span, default when unset is false.

This package does not currently generate any attributes from semantic conventions.

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

Apache 2.0 - See LICENSE for more information.

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