osbuild-worker/koji: Add logging for koji requests/responses

internal/upload/koji/koji.go

@@ -478,13 +478,24 @@ func customCheckRetry(ctx context.Context, resp *http.Response, err error) (bool
 		}
 	}
 
+	if !shouldRetry {
+		logrus.Info("Not retrying: ", resp.Status)
+	}
+
 	return shouldRetry, retErr
 }
 
+func logUnsuccessfulResponses(logger rh.Logger, resp *http.Response) {
+	if !(resp.StatusCode >= 200 && resp.StatusCode < 300) {
+		logger.Printf("Unsuccessful request: ", resp)
+	}
+}
+
 func createCustomRetryableClient() *rh.Client {
 	client := rh.NewClient()
 	client.Logger = rh.LeveledLogger(&LeveledLogrus{logrus.StandardLogger()})
 	client.CheckRetry = customCheckRetry
+	client.ResponseLogHook = logUnsuccessfulResponses
 	return client
 }