Allow k8s autoscaler to be installed via local terraform client, rather than remote operator.

[cwiggs]

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Description

Currently the k8s autoscaler is installed via a remote-exec provisioner here. This works well if you are using the bastion and operator servers, but if you aren't using those servers you aren't able to deploy the autoscaler.

It would be nice to have a variable that allows you to install the autoscaler the same way but using the same machine where Terraform is running.

New or Affected Resource(s)

A variable in the autoscaler.tf file that allows you to use a local provisioner.

Questions

• Currently The helm resource terraform provider is required and is used for a helm template with the autoscaler. However it then looks like instead of using the helm provider to install the helm package it's just applied via kubectl via remote provisioner. Is there a reason this isn't just done via the helm provider?

Thanks

[cwiggs]

I opened a draft PR to add this feature here: #895