bnkamalesh/goapp

package apm

import (
    "net/http"

    "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
)

type HTTPMiddleware func(h http.Handler) http.Handler

func NewHTTPMiddleware(opts ...otelhttp.Option) HTTPMiddleware {
    if len(opts) == 0 {
        opts = make([]otelhttp.Option, 0, 3)
    }

    gb := Global()
    opts = append(opts,
        otelhttp.WithMeterProvider(gb.GetMeterProvider()),
        otelhttp.WithTracerProvider(gb.GetTracerProvider()),
    )

    return func(h http.Handler) http.Handler {
        return otelhttp.NewHandler(h, "otelhttp", opts...)
    }
}