Add node to Rundeck
Just add a node, you can use my simple script! I ask only to change the options for the format when credited with an array @ data
This is a reference to a script:
https://github.com/alexey-pankratyev/ruby_scripts/blob/master/rundeck_customservers/prcustom.rb
What would simply and quickly add the server by using this script. You can create two jobs:
The first task is to add a one server:

The second task will add many servers, which we will specify in the file:

The script to add to the file servers can be added directly into the rundeck. In this example, one line in a workflow:
