Do not ping event targets during cluster initialization (#19959)

S3 operations are frozen during startup, therefore we should avoid pinging
event targets during the initialization since it can stall.

cmd/admin-handlers.go

@@ -2417,7 +2417,7 @@ func getServerInfo(ctx context.Context, pools, metrics bool, r *http.Request) ma
 		Mode:          string(mode),
 		Domain:        domain,
 		Region:        globalSite.Region(),
-		SQSARN:        globalEventNotifier.GetARNList(false),
+		SQSARN:        globalEventNotifier.GetARNList(),
 		DeploymentID:  globalDeploymentID(),
 		Buckets:       buckets,
 		Objects:       objects,

cmd/event-notification.go

@@ -49,23 +49,18 @@ func NewEventNotifier(ctx context.Context) *EventNotifier {
 }
 
 // GetARNList - returns available ARNs.
-func (evnot *EventNotifier) GetARNList(onlyActive bool) []string {
+func (evnot *EventNotifier) GetARNList() []string {
 	arns := []string{}
 	if evnot == nil {
 		return arns
 	}
 	region := globalSite.Region()
-	for targetID, target := range evnot.targetList.TargetMap() {
+	for targetID := range evnot.targetList.TargetMap() {
 		// httpclient target is part of ListenNotification
 		// which doesn't need to be listed as part of the ARN list
 		// This list is only meant for external targets, filter
 		// this out pro-actively.
 		if !strings.HasPrefix(targetID.ID, "httpclient+") {
-			if onlyActive {
-				if _, err := target.IsActive(); err != nil {
-					continue
-				}
-			}
 			arns = append(arns, targetID.ToARN(region).String())
 		}
 	}

cmd/server-startup-msg.go

@@ -158,7 +158,7 @@ func printEventNotifiers() {
 		return
 	}
 
-	arns := globalEventNotifier.GetARNList(true)
+	arns := globalEventNotifier.GetARNList()
 	if len(arns) == 0 {
 		return
 	}