Moved cluster name check to later so --get can use cluster name in kubeconfig (#918)

testutils/clustermanager/e2e-tests/gke.go

@@ -91,14 +91,6 @@ func (gs *GKEClient) Setup(r GKERequest) ClusterOperations {
 		gc.NeedsCleanup = true
 	}
 
-	if r.ClusterName == "" {
-		var err error
-		r.ClusterName, err = getResourceName(ClusterResource)
-		if err != nil {
-			log.Fatalf("Failed getting cluster name: '%v'", err)
-		}
-	}
-
 	if r.MinNodes == 0 {
 		r.MinNodes = DefaultGKEMinNodes
 	}
@@ -192,6 +184,14 @@ func (gc *GKECluster) Acquire() error {
 	request := gc.Request.DeepCopy()
 	// We are going to use request for creating cluster, set its Project
 	request.Project = gc.Project
+	// Set the cluster name if it doesn't exist
+	if request.ClusterName == "" {
+		var err error
+		request.ClusterName, err = getResourceName(ClusterResource)
+		if err != nil {
+			log.Fatalf("Failed getting cluster name: '%v'", err)
+		}
+	}
 
 	// Combine Region with BackupRegions, these will be the regions used for
 	// retrying creation logic