fix: Fixed incorrect example of iam-eks-role (#183)

Author: antonbabenko

examples/iam-eks-role/README.md

@@ -21,20 +21,29 @@ Run `terraform destroy` when you don't need these resources.
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12.6 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 2.23 |
+| <a name="requirement_random"></a> [random](#requirement\_random) | >= 2 |
 
 ## Providers
 
-No providers.
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 2.23 |
+| <a name="provider_random"></a> [random](#provider\_random) | >= 2 |
 
 ## Modules
 
 | Name | Source | Version |
 |------|--------|---------|
+| <a name="module_eks"></a> [eks](#module\_eks) | terraform-aws-modules/eks/aws | ~> 18.0 |
 | <a name="module_iam_eks_role"></a> [iam\_eks\_role](#module\_iam\_eks\_role) | ../../modules/iam-eks-role | n/a |
 
 ## Resources
 
-No resources.
+| Name | Type |
+|------|------|
+| [random_pet.this](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/pet) | resource |
+| [aws_subnet_ids.all](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/subnet_ids) | data source |
+| [aws_vpc.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/vpc) | data source |
 
 ## Inputs
 

examples/iam-eks-role/main.tf

@@ -7,11 +7,7 @@ module "iam_eks_role" {
   role_name = "my-app"
 
   cluster_service_accounts = {
-    "cluster1" = ["default:my-app"]
-    "cluster2" = [
-      "default:my-app",
-      "canary:my-app",
-    ]
+    (random_pet.this.id) = ["default:my-app", "canary:my-app"]
   }
 
   provider_url_sa_pairs = {
@@ -30,3 +26,33 @@ module "iam_eks_role" {
     "arn:aws:iam::aws:policy/AmazonEKS_CNI_Policy"
   ]
 }
+
+##################
+# Extra resources
+##################
+
+resource "random_pet" "this" {
+  length = 2
+}
+
+module "eks" {
+  source  = "terraform-aws-modules/eks/aws"
+  version = "~> 18.0"
+
+  cluster_name    = random_pet.this.id
+  cluster_version = "1.21"
+
+  vpc_id     = data.aws_vpc.default.id
+  subnet_ids = data.aws_subnet_ids.all.ids
+}
+
+##################################################################
+# Data sources to get VPC, subnet, security group and AMI details
+##################################################################
+data "aws_vpc" "default" {
+  default = true
+}
+
+data "aws_subnet_ids" "all" {
+  vpc_id = data.aws_vpc.default.id
+}

examples/iam-eks-role/versions.tf

@@ -2,6 +2,7 @@ terraform {
   required_version = ">= 0.12.6"
 
   required_providers {
-    aws = ">= 2.23"
+    aws    = ">= 2.23"
+    random = ">= 2"
   }
 }