Changing AMI data resource to filter for k8s version of cluster (#215)

* Changing AMI data resource to only use k8s version of cluster

* Reverting this method as it doesn't work

Author: max-rocket-internet

CHANGELOG.md

@@ -14,6 +14,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Changed
 - Added `--with-aggregate-type-defaults` option to terraform-docs (by @max-rocket-internet)
+- Updated AMI ID filtering to only filter AMIs from current cluster k8s version (by @max-rocket-internet)
 
 ## [[v1.8.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.7.0...v1.8.0)] - 2018-12-04]
 

README.md

@@ -149,4 +149,3 @@ MIT Licensed. See [LICENSE](https://github.com/terraform-aws-modules/terraform-a
 | worker\_security\_group\_id | Security group ID attached to the EKS workers. |
 | workers\_asg\_arns | IDs of the autoscaling groups containing workers. |
 | workers\_asg\_names | Names of the autoscaling groups containing workers. |
-

data.tf

@@ -18,11 +18,11 @@ data "aws_iam_policy_document" "workers_assume_role_policy" {
 data "aws_ami" "eks_worker" {
   filter {
     name   = "name"
-    values = ["amazon-eks-node-*"]
+    values = ["amazon-eks-node-${var.cluster_version}-v*"]
   }
 
   most_recent = true
-  owners      = ["602401143452"] # Amazon
+  owners      = ["602401143452"]
 }
 
 data "aws_iam_policy_document" "cluster_assume_role_policy" {