Add wait_nodes_max_tries to wait for nodes to be available before applying the kubernetes configurations (#187)

* Add wait_nodes_max_tries to wait for nodes to be available before applying the kubernetes configurations

* Format variables.tf and aws_auth.tf

* Fix template expansion for wait-nodes-ready.tpl

* Ensuring that kubeconfig is created before its use

* Cleanup wait-nodes-ready script

* Simplify logic to retry application of kubernetes config if failed

* Revert file permission change

Author: rmakram-ims

CHANGELOG.md

@@ -12,6 +12,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 - `suspended_processes` to `worker_groups` input (by @bkmeneguello)
 - `target_group_arns` to `worker_groups` input (by @zihaoyu)
 - `force_detach_policies` to `aws_iam_role` `cluster` and `workers` (by @marky-mark)
+- Added sleep while trying to apply the kubernetes configurations if failed, up to 50 seconds (by @rmakram-ims)
 
 ### Changed
 

aws_auth.tf

@@ -8,7 +8,7 @@ resource "null_resource" "update_config_map_aws_auth" {
   depends_on = ["aws_eks_cluster.this"]
 
   provisioner "local-exec" {
-    command = "kubectl apply -f ${var.config_output_path}config-map-aws-auth_${var.cluster_name}.yaml --kubeconfig ${var.config_output_path}kubeconfig_${var.cluster_name}"
+    command = "for i in {1..5}; do kubectl apply -f ${var.config_output_path}config-map-aws-auth_${var.cluster_name}.yaml --kubeconfig ${var.config_output_path}kubeconfig_${var.cluster_name} && break || sleep 10; done"
   }
 
   triggers {