In Azure VMSS, there is a method called "Custom Data", which is basically a way of passing things to be executed

I know that it is in the to do list to add "azure_autoscaler" which is basically asybling to the aws_autoscaler.
With the same idea of the "custom data" as initial bash script:
You can check here:
https://github.com/allegroai/clearml/blob/4a2099b53c09d1feaf0e079092c9e075b43df7d2/clearml/automation/aws_auto_scaler.py#L54