Fix concurrency startup log

Author: vivakeram

config/config.go

@@ -340,6 +340,21 @@ const (
 )
 
 var (
+	// ConcurrencyGADrivers is the list of storage drivers for which controller
+	// scalability (concurrent core) is generally available.
+	ConcurrencyGADrivers = []string{
+		OntapSANStorageDriverName, // ontap-san
+		OntapNASStorageDriverName, // ontap-nas
+		GCNVNASStorageDriverName,  // google-cloud-netapp-volumes
+	}
+
+	// ConcurrencyTechPreviewDrivers is the list of storage drivers for which
+	// controller scalability is in technical preview.
+	ConcurrencyTechPreviewDrivers = []string{
+		OntapNASQtreeStorageDriverName,   // ontap-nas-economy
+		OntapSANEconomyStorageDriverName, // ontap-san-economy
+	}
+
 	ValidProtocols = map[Protocol]bool{
 		File:        true,
 		Block:       true,

main.go

@@ -382,7 +382,10 @@ func main() {
 
 	var orchestrator core.Orchestrator
 	if *enableConcurrency {
-		Log().Warning("Concurrency is enabled, feature is in tech preview and may not work as expected.")
+		Log().WithField("drivers", strings.Join(config.ConcurrencyGADrivers, ", ")).
+			Info("Concurrency is enabled. Controller scalability is generally available for the following drivers.")
+		Log().WithField("drivers", strings.Join(config.ConcurrencyTechPreviewDrivers, ", ")).
+			Warning("Controller scalability is in technical preview for the following drivers and may not work as expected.")
 		orchestrator, err = core.NewConcurrentTridentOrchestrator(storeClient)
 		if err != nil {
 			_, _ = fmt.Fprint(os.Stderr, err)