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modules/aws-amis/main.tf

@@ -48,7 +48,14 @@ locals {
       # us-gov-west-1
       owner-id = "219670896067"
       name = "RHEL-8.*HVM*x86_64*GP2"
-    }
+    },
+    win-srv-2019 = {
+      # us-east-2
+      # owner-id = "???"
+      # us-gov-west-1
+      owner-id = "077303321853"
+      name = "Windows_Server-2019-English-Full-Base*"
+    },
   }
 }
 

modules/aws-nodes/main.tf

@@ -8,8 +8,12 @@ resource "aws_instance" "nodes" {
   # the IP.
   private_ip = length(var.private-ips) == 0 ? null : element(var.private-ips, count.index)
   vpc_security_group_ids = var.security-group-ids
-  user_data = element(var.user-datas.*.rendered, count.index)
-  count                       = var.num-nodes
+  user_data              = element(var.user-datas.*.rendered, count.index)
+  root_block_device {
+    volume_size           = var.disk-size
+    delete_on_termination = true
+  }
+  count = var.num-nodes
 
   tags = {
     Name = "${var.name-prefix}-${count.index}"

modules/aws-nodes/variables.tf

@@ -1,30 +1,36 @@
 variable "ami" {
   description = "The AWS AMI to be used for all the nodes"
-  type = string
+  type        = string
+}
+
+variable "disk-size" {
+  default     = 8
+  description = "The size of the root FS disk in GB."
+  type        = number
 }
 
 variable "ec2-instance-type" {
-  default = "t2.micro"
+  default     = "t2.micro"
   description = "The AWS instance type to use for all nodes."
-  type = string
+  type        = string
 }
 
 variable "name-prefix" {
-  default = "tf-node"
+  default     = "tf-node"
   description = "This prefix will be applied to all names created by this module."
-  type = string
+  type        = string
 }
 
 variable "num-nodes" {
-  default = 1
+  default     = 1
   description = "The number of nodes to create from the given input parameters."
-  type = number
+  type        = number
 }
 
 variable "private-ips" {
-  default = []
+  default     = []
   description = "A list of private IP addresses to use for the nodes. If the list is empty then each node will get an IP assigned from AWS."
-  type = list(string)
+  type        = list(string)
 }
 
 variable "user-datas" {
@@ -33,10 +39,10 @@ variable "user-datas" {
 
 variable "subnet-ids" {
   description = "An array of subnet ids. These subnets will be round robined as the subnet to use for each node."
-  type = list(string)
+  type        = list(string)
 }
 
 variable "security-group-ids" {
   description = "A list of security group IDs to be applied to all the nodes."
-  type = list(string)
+  type        = list(string)
 }