Set-Disk : Cannot process argument transformation on parameter 'IsOffline'. Cannot convert value "System.String" to
type "System.Boolean". Boolean parameters accept only Boolean values and numbers, such as $True, $False, 1 or 0.
At line:1 char:23
+ set-disk 3 -isOffline False
+                       ~~~~~
    + CategoryInfo          : InvalidData: (:) [Set-Disk], ParameterBindingArgumentTransformationException
    + FullyQualifiedErrorId : ParameterArgumentTransformationError,Set-Disk

data "template_file" "asg_user_data" {
  template = "asg_user_data.tpl"

  vars {
    hub_url = "${var.hub_url}"
    password = "${var.admin_password}"
  }
}

resource "aws_instance" "winrm" {
  # The connection block tells our provisioner how to
  # communicate with the resource (instance)
  connection {
    type     = "winrm"
    user     = "Administrator"
    password = "${var.admin_password}"

    # set from default of 5m to 10m to avoid winrm timeout
    timeout = "10m"
  }

  instance_type = "t2.micro"
  ami           = "${data.aws_ami.amazon_windows_2016.image_id}"

  # The name of our SSH keypair you've created and downloaded
  # from the AWS console.
  #
  # https://console.aws.amazon.com/ec2/v2/home?region=us-west-2#KeyPairs
  #
  key_name = "${var.key_name}"

  # Our Security group to allow WinRM access
  security_groups = ["selenium-grid-hub-sg"]

  # Note that terraform uses Go WinRM which doesn't support https at this time. If server is not on a private network,
  # recommend bootstraping Chef via user_data.  See asg_user_data.tpl for an example on how to do that.
  user_data = "${data.template_file.asg_user_data.rendered}"
}