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open-telemetry / opentelemetry-dotnet

The OpenTelemetry .NET Client
https://opentelemetry.io
Apache License 2.0
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Publicly expose the middleware #5070

Open mmaguigan opened 11 months ago

mmaguigan commented 11 months ago

Feature Request

The OpenTelemetry project integrates tightly (and nicely) with ASP.NET Core, however there are other more complex systems built on top of Kestrel as well. To support those projects, its often as simple as allowing a request to be passed off from Kestrel directly to OpenTelemetry without integrating into ASP.NET's more feature rich components like request routing.

By marking PrometheusExporterMiddleware as public, more advanced use cases can be served (e.g. telemetry aggregation services) and other routing frameworks can be easily supported.

Additional Context

For additional context, I am selfishly interested in being able to use my Routable library with OpenTelemetry - but this seems that it would benefit the community as a whole by exposing this component to be leveraged as a building block in a larger whole with greater flexibility.

Happy to submit a PR if it will help :)

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