Hi @mdevengine
Welcome to Google Cloud Community!
As of now there is no “uber level” setLabels() that can be use in the official documentation. You will need to set the resource type to assign the labels to the resources accordingly. For best practices and other information regarding labels please see this link. For additional information on how to apply labels please see this link.
I hope this information is helpful.
If you need further assistance, you can always file a ticket on our support team.