Update main.go

Attempt to modify to resolve broken build CI

Signed-off-by: billie60 <[email protected]>

cmd/prefetchfiles-nri-plugin/main.go

@@ -180,18 +180,19 @@ func (p *plugin) RunPodSandbox(pod *api.PodSandbox) error {
 	name = parts[0]
 	if pod.Annotations == nil {
 		log.Printf("error: Pod annotations is nil")
-		return nil
+		return errors.New("Pod annotations is nil")
 	}
 	prefetchList, ok := pod.Annotations["prefetch_list"]
 	if !ok {
 		errMsg := "Pod.yaml annotations don't have prefetch list."
 		log.Printf("error: %s", errMsg)
-		return nil
+		return errors.New(errMsg)
 	}
 	msg := fmt.Sprintf("%s : %s", name, prefetchList)
 	err := sendDataOverHTTP(msg, "/api/v1/daemons/prefetch")
 	if err != nil {
 		log.Printf("Failed to send data: %v\n", err)
+		return err
 	} else {
 		log.Println("Data sent successfully")
 	}