Route constraint in OpenTelemetry.Instrumentation.AspNetCore

[dominikjeske]

My API controllers have route constraints - for example "/api/sample/{channel:ib}/v{v:apiVersion}/[controller]/[action]" and because of this metric is not reporting actual path because it uses RoutePattern.RawText (

opentelemetry-dotnet/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs

Line 95 in ef0c921

var route = (context.GetEndpoint() as RouteEndpoint)?.RoutePattern.RawText;

) and not context.Request.Path.

Actual call:
"/api/sample/ib/v1/controller/action"

Mteric output:
"/api/sample/{channel:ib}/v{v:apiVersion}/controller/action"

Is this behavior expected?

[vishweshbankwar]

Yes - http.route is set as per the specification