Fix race condition in CodePipeline setup

Author: niallthomson

manifests/modules/automation/continuousdelivery/codepipeline/.workshop/terraform/main.tf

@@ -70,6 +70,8 @@ resource "aws_cloudwatch_event_rule" "s3_trigger_pipeline" {
 // Terraform does not support all the parameters needed for this pipeline
 // So use CloudFormation instead
 resource "aws_cloudformation_stack" "eks_workshop_pipeline" {
+  depends_on = [time_sleep.wait]
+
   name          = "${var.addon_context.eks_cluster_id}-pipeline-stack"
   template_body = file("${path.module}/pipeline.yaml")
 
@@ -162,6 +164,12 @@ resource "aws_iam_role" "codepipeline_role" {
   assume_role_policy = data.aws_iam_policy_document.codepipeline_assume_role.json
 }
 
+resource "time_sleep" "wait" {
+  depends_on = [aws_iam_role.codepipeline_role]
+
+  create_duration = "15s"
+}
+
 data "aws_iam_policy_document" "codepipeline_policy" {
   statement {
     effect = "Allow"