Terraform 0.12.29

eks-cluster-autoscaler-clusterrolebinding.tf

@@ -88,7 +88,7 @@ resource "kubernetes_role" "autoscaler_role" {
   metadata {
     name = "cluster-autoscaler-svc-acc"
 
-    labels {
+    labels = {
       "k8s-addon" = "cluster-autoscaler.addons.k8s.io"
       "k8s-app"   = "cluster-autoscaler"
     }
@@ -145,3 +145,4 @@ resource "kubernetes_cluster_role_binding" "cluster_autoscaler_clusterrole_bind"
     api_group = ""
   }
 }
+

eks-cluster-autoscaler-serviceaccount.tf

@@ -4,3 +4,4 @@ resource "kubernetes_service_account" "cluster_autoscaler_service_account" {
     namespace = "kube-system"
   }
 }
+

eks-cluster-autoscaler.tf

-data "aws_region" "current" {}
+data "aws_region" "current" {
+}
 
 resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
   metadata {
     name      = "aws-cluster-autoscaler"
     namespace = "kube-system"
 
-    labels {
+    labels = {
       app = "aws-cluster-autoscaler"
     }
   }
@@ -14,7 +15,7 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
     replicas = 1
 
     selector {
-      match_labels {
+      match_labels = {
         app      = "aws-cluster-autoscaler"
         instance = "aws-cluster-autoscaler-deploy"
       }
@@ -22,12 +23,12 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
 
     template {
       metadata {
-        labels {
+        labels = {
           app      = "aws-cluster-autoscaler"
           instance = "aws-cluster-autoscaler-deploy"
         }
 
-        annotations {
+        annotations = {
           "iam.amazonaws.com/role" = "eks-cluster-autoscaler"
         }
       }
@@ -37,16 +38,17 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
         termination_grace_period_seconds = 60
 
         volume {
-          name = "${kubernetes_service_account.cluster_autoscaler_service_account.default_secret_name}"
+          name = kubernetes_service_account.cluster_autoscaler_service_account.default_secret_name
 
           secret {
-            secret_name = "${kubernetes_service_account.cluster_autoscaler_service_account.default_secret_name}"
+            secret_name = kubernetes_service_account.cluster_autoscaler_service_account.default_secret_name
           }
         }
 
         volume {
           name = "autoscaler-ssl-volume"
-          empty_dir {}
+          empty_dir {
+          }
         }
 
         container {
@@ -57,7 +59,7 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
 
           volume_mount {
             mount_path = "/var/run/secrets/kubernetes.io/serviceaccount"
-            name       = "${kubernetes_service_account.cluster_autoscaler_service_account.default_secret_name}"
+            name       = kubernetes_service_account.cluster_autoscaler_service_account.default_secret_name
             read_only  = true
           }
 
@@ -85,7 +87,7 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
 
           env {
             name  = "AWS_REGION"
-            value = "${data.aws_region.current.name}"
+            value = data.aws_region.current.name
           }
         }
       }
@@ -105,10 +107,11 @@ resource "kubernetes_service" "cluster_autoscale_service" {
       target_port = 8085
     }
 
-    selector {
+    selector = {
       app = "aws-cluster-autoscaler"
     }
 
     type = "ClusterIP"
   }
 }
+

iam.tf

@@ -17,7 +17,7 @@ data "aws_iam_policy_document" "ec2_assume" {
 
     principals {
       type        = "AWS"
-      identifiers = ["${var.worker_iam_role_arn}"]
+      identifiers = [var.worker_iam_role_arn]
     }
   }
 }
@@ -35,21 +35,22 @@ data "aws_iam_policy_document" "autoscaler" {
     ]
 
     resources = [
-      "*"
+      "*",
     ]
   }
 }
 
 resource "aws_iam_policy" "this" {
-  policy = "${data.aws_iam_policy_document.autoscaler.json}"
+  policy = data.aws_iam_policy_document.autoscaler.json
 }
 
 resource "aws_iam_role" "this" {
   name               = "eks-cluster-autoscaler"
-  assume_role_policy = "${data.aws_iam_policy_document.ec2_assume.json}"
+  assume_role_policy = data.aws_iam_policy_document.ec2_assume.json
 }
 
 resource "aws_iam_role_policy_attachment" "this" {
-  role       = "${aws_iam_role.this.name}"
-  policy_arn = "${aws_iam_policy.this.arn}"
+  role       = aws_iam_role.this.name
+  policy_arn = aws_iam_policy.this.arn
 }
+

variables.tf

@@ -6,7 +6,8 @@ variable "envname" {
   default = "staging"
 }
 
-variable "worker_iam_role_arn" {}
+variable "worker_iam_role_arn" {
+}
 
 variable "cluster_autoscaler_version" {
   default = "1.3.6"
@@ -15,3 +16,4 @@ variable "cluster_autoscaler_version" {
 variable "cluster_autoscaler_image_region" {
   default = "eu"
 }
+

versions.tf

+
+terraform {
+  required_version = ">= 0.12"
+}