dubonzi / otelresty

OpenTelemetry instrumentation for the go-resty project

Go-resty OpenTelemetry Instrumentation

This repository aims to create a custom instrumentation for the go-resty project.

How to use

Usage is as simple as calling TraceClient passing a resty client and options, if needed.

TraceClient uses the OnBeforeRequest, OnAfterResponse and OnError hooks from the resty client to create spans and fill their attributes with request, response and error information.

Note that resty hooks follow a queue order, meaning the first hook hook added will run before the others, so make sure to call TraceClient after adding your custom hooks so that the span information will have the correct values (considering your hooks modify request/response information).

func main() {
  cli := resty.New()
  opts := []otelresty.Option{otelresty.WithTracerName("my-tracer")}

  otelresty.TraceClient(cli, opts...)
}