option.DeferredClusterCreation(features.EnableDeferredClusterCreation))

	// Add GCPProjectNumber to access in bootstrap template.
	md := cfg.Metadata.PlatformMetadata
	if projectNumber, found := md[platform.GCPProjectNumber]; found {
		opts = append(opts, option.GCPProjectNumber(projectNumber))
	}

	if cfg.Metadata.StsPort != "" {
		stsPort, err := strconv.Atoi(cfg.Metadata.StsPort)