SophieTech88 commented on code in PR #850:
URL: https://github.com/apache/yunikorn-k8shim/pull/850#discussion_r1623136235


##########
pkg/client/apifactory.go:
##########
@@ -166,34 +167,42 @@ func (s *APIFactory) AddEventHandler(handlers 
*ResourceEventHandlers) {
        }
 
        log.Log(log.ShimClient).Info("registering event handler", 
zap.Stringer("type", handlers.Type))
-       s.addEventHandlers(handlers.Type, h, 0)
+       if err := s.addEventHandlers(handlers.Type, h, 0); err != nil {
+               log.Log(log.AdmissionConf).Fatal("Failed to initialize event 
handlers", zap.Error(err))

Review Comment:
   Good catch. Appreciated. Earlier I only return the error for 
`addEventHandlers`, but forgot to check `AddEventHandler`, when there is error 
returned, it should not exit in the middle.  
   I check the `AddEventHandler`, it is called by 3 functionss: 
RegisterHandlers, NewPriorityClassCache, NewNamespaceCache in main. When the 
AddEventHandler pass the error back, those 3 functions will return errors, too, 
and we can make the decision how to deal with the errors in main(). So it is 
great.



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