I think this is still an issue in version 1.38 of the ec2-plugin. Did this actually get released?
I still don't have tags on spot instances in plugin version 1.39, Jenkins 2.136
Is there any further development on this ticket? I am hopeful to be able to make use of the EC2 plugin's ability to manage worker nodes using spot instances, but we need to have tags passed to the instance.
Did you test the last version ? the Tag should be there for all type of the nodes