Upgrade to terraform 1.x

.github/actions/terratest/Dockerfile

@@ -2,7 +2,7 @@ FROM golang:1.17.3-alpine3.13
 
 WORKDIR /
 
-ARG TERRAFORM_VERSION=0.14.11
+ARG TERRAFORM_VERSION=1.0.11
 ARG KUBECTL_VERSION=1.20.5
 ARG KUBECTL_SHA=7f9dbb80190945a5077dc5f4230202c22f68f9bd7f20c213c3cf5a74abf55e56
 

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@main
       - uses: hashicorp/setup-terraform@v1
         with:
-          terraform_version: 0.14.11
+          terraform_version: 1.0.11
       - name: 'Terraform Format'
         run: terraform fmt -check -recursive
       - name: 'Terraform Init cluster'
@@ -73,4 +73,4 @@ jobs:
       - name: 'Terratest'
         uses: ./.github/actions/terratest
         with:
-          args: "-run TestTerraformAwsEksCluster"
+          args: "-run TestTerraformAwsEksCluster"

.terraform-version

@@ -1 +1 @@
-0.14.11
+1.0.11

UPGRADING.md

@@ -5,6 +5,9 @@
 * Check the notes for the Kubernetes version you are upgrading to at https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions.html
 * After upgrading the terraform module, remember to follow the [roll nodes](docs/roll_nodes.md) procedure to roll out upgraded nodes to your cluster.
 
+## 1.20 -> 1.21
+ * [261](https://github.com/cookpad/terraform-aws-eks/issues/267/) 💥 Breaking Change. Modules now require terraform version >=1.0.
+
 ## 1.19 -> 1.20
  * [247](https://github.com/cookpad/terraform-aws-eks/pull/247) 💥 Breaking Change. The `k8s_version` variable has been removed. Use the correct version of the module for the k8s version you want to use.
  * [156](https://github.com/cookpad/terraform-aws-eks/issues/156) 💥 Breaking Change. The root module has been removed. Please refactor using the README as a guide.

modules/asg_node_group/versions.tf

@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 0.14"
+  required_version = ">= 1.0"
 
   required_providers {
     aws = {

versions.tf

@@ -1,3 +1,3 @@
 terraform {
-  required_version = ">= 0.14"
+  required_version = ">= 1.0"
 }