Use URL path template when tracing REST clients where possible

[luneo7]

Use URL path template in the REST client span names where possible.

Using raw Vert.x web client is not possible right now since all the instrumentation happens after UriTemplate is applied so we have only the full URI... this would make is have infinite cardinality since a path variable can lead to infinite URLs. Ideally the Vert.x web client could expose the used UriTemplate during tracing or for metrics (as we have with VertxRoute right now) so we could extract it and build the span name with the template as well.

Now RestEasy clients using Vert.x or not will be with a span name of {method} {urlPathTemplate} as we had before =]

• Closes Quarkus OpenTelemetry Rest Client Span Name with Route (URL Path Template) #39457

[quarkus-bot]

/cc @brunobat (opentelemetry), @radcortez (opentelemetry)

[brunobat]

@luneo7 The IT tests using the client will need to be updated as well.

[luneo7]

@luneo7 The IT tests using the client will need to be updated as well.

Done =]

[quarkus-bot]

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[brunobat]

Thanks @luneo7!

[luneo7]

@brunobat @geoand do we need anything else to get this merged? Thanks 😊

[geoand]

@brunobat can merge it at his discression :)

[luneo7]

Thank you! Could this be backported as well?

[brunobat]

Added the label.

[michalvavrik]

This is breaking change and not exactly fun to look for what changed. Please add a note to the migration guide for people like me, thank you.

[michalvavrik]

My point is that operationNames has changed, so every historical data on which you execute aggregation needs a rule that for period between x and y they should aggregate operation names xyz etc. So it is something users need to know.

[brunobat]

Added a wiki entry. @michalvavrik

[michalvavrik]

Thank you