linstrom/server-old/middlewares/injectLogger.go

package middlewares

import (
	"context"
	"net/http"

	"github.com/rs/zerolog/log"
)

const CONTEXT_KEY_LOGRUS = ContextKey("logrus")

// Inject a logrus entry into the context that has the url path already set
func InjectLoggerMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		reqContext := r.Context()
		logger := log.With().Ctx(r.Context()).Str("url-path", r.URL.RawPath).Logger()
		newContext := context.WithValue(reqContext, CONTEXT_KEY_LOGRUS, &logger)
		next.ServeHTTP(w, r.WithContext(newContext))
	})
}