instrument: fix duplicated instrumentation statements on already instrumented frameworks #42
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What does this PR do?
Instrumentation for frameworks using middlewares (as in
mux.Use(instrumentation.Middleware)) were causing duplicated instrumentation statements when Orchestrion was run multiple times.The root cause was that this kind of instrumentation requires a different set of labels (
dd:instrumented,dd:startinstrument,dd:endinstrument) other thandd:startwrapanddd:endwrap.Also some light refactor for framework tests.
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