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Description
Is your feature request related to a problem? Please describe
Today there is no way to add custom attributes for instrumentation-undici histograms.
But it may be necessary to add some application-specific values
Describe the solution you'd like to see
I want to add a custom "record metric" hook, that will allow to add some extra labels based on request-response pair
Describe alternatives you've considered
Looks like the only one alternative here is to implement own metrics, by forking instrumentation-undici plugin.
Additional context
Imagine a situation, where u want to add some application-specific values, like "cluster name" of destination service or something mapped from response request headers. Or split metric as anonymous / authorized user requests. Or something else.