Cleaning up syntax for tf version > 0.11

main.tf

@@ -25,7 +25,7 @@ variable "admin" {
 
 resource "aws_iam_role" "role" {
   name = var.name
-  assume_role_policy =  templatefile("${path.module}/assume_role.json", { source_account_id = var.source_account_id })
+  assume_role_policy =  templatefile(path.module/assume_role.json, { source_account_id = var.source_account_id })
   tags = {
     TerraformVersion = "> 0.12.0"
   }
@@ -35,19 +35,19 @@ resource "aws_iam_role" "role" {
 resource "aws_iam_policy" "steamhaus_apn" {
   name = "SteamhausAPN"
   description = "Steamhaus APN policy"
-  policy = "${file("${path.module}/steamhaus_apn_policy.json")}"
+  policy = file(path.module/steamhaus_apn_policy.json)
   count = var.steamhaus_apn
   lifecycle { create_before_destroy = true }
 }
 
 resource "aws_iam_role_policy_attachment" "steamhaus_apn" {
-  role = "${aws_iam_role.role.name}"
-  policy_arn = "${aws_iam_policy.steamhaus_apn[count.index].arn}"
+  role = aws_iam_role.role.name
+  policy_arn = aws_iam_policy.steamhaus_apn[count.index].arn
   count = var.steamhaus_apn
 }
 
 resource "aws_iam_role_policy_attachment" "admin" {
-  role = "${aws_iam_role.role.name}"
+  role = aws_iam_role.role.name
   policy_arn = "arn:aws:iam::aws:policy/AdministratorAccess"
-  count = "${var.admin}"
+  count = var.admin
 }
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