Merge pull request #132 from dxw/create-empty-service-env-file

Create empty service env file

README.md

@@ -351,6 +351,7 @@ This project creates and manages resources within an AWS account for infrastruct
 | [random_password.infrastructure_ecs_cluster_service_cloudfront_bypass_protection_secret](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/password) | resource |
 | [random_password.infrastructure_rds_root](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/password) | resource |
 | [terraform_data.infrastructure_ecs_cluster_service_blue_green_create_codedeploy_deployment](https://registry.terraform.io/providers/hashicorp/terraform/latest/docs/resources/data) | resource |
+| [terraform_data.infrastructure_ecs_cluster_service_env_file](https://registry.terraform.io/providers/hashicorp/terraform/latest/docs/resources/data) | resource |
 | [archive_file.ecs_cluster_infrastructure_draining_lambda](https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file) | data source |
 | [archive_file.ecs_cluster_infrastructure_ecs_asg_diff_metric_lambda](https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file) | data source |
 | [archive_file.ecs_cluster_infrastructure_pending_task_metric_lambda](https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file) | data source |

ecs-cluster-infrastructure-service-codedeploy-blue-green.tf

@@ -173,5 +173,6 @@ resource "terraform_data" "infrastructure_ecs_cluster_service_blue_green_create_
 
 depends_on = [
   aws_codepipeline.infrastructure_ecs_cluster_service,
+  terraform_data.infrastructure_ecs_cluster_service_env_file,
 ]
 }

ecs-cluster-infrastructure-service.tf

@@ -193,6 +193,25 @@ resource "aws_iam_role_policy_attachment" "infrastructure_ecs_cluster_service_ta
   policy_arn = aws_iam_policy.infrastructure_ecs_cluster_service_task_custom[each.key].arn
 }
 
+
+resource "terraform_data" "infrastructure_ecs_cluster_service_env_file" {
+  for_each = local.infrastructure_ecs_cluster_services
+
+  triggers_replace = [
+    aws_ecs_service.infrastructure_ecs_cluster_service[each.key].name,
+    aws_s3_bucket.infrastructure_ecs_cluster_service_environment_files[0].bucket,
+  ]
+
+  provisioner "local-exec" {
+    interpreter = ["/bin/bash", "-c"]
+    command     = <<EOF
+      ${path.root}/local-exec-scripts/create-empty-s3-object.sh \
+      -b "${aws_s3_bucket.infrastructure_ecs_cluster_service_environment_files[0].bucket}" \
+      -k "${each.key}.env"
+    EOF
+  }
+}
+
 resource "aws_ecs_task_definition" "infrastructure_ecs_cluster_service" {
   for_each = local.infrastructure_ecs_cluster_services
 

local-exec-scripts/create-empty-s3-object.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# exit on failures
+set -e
+set -o pipefail
+
+usage() {
+  echo "Usage: $(basename "$0") [OPTIONS]" 1>&2
+  echo "  -h   - help"
+  echo "  -b   - Bucket"
+  echo "  -k   - Key"
+  exit 1
+}
+
+while getopts "b:k:h" opt; do
+  case $opt in
+    b)
+      BUCKET=$OPTARG
+      ;;
+    k)
+      KEY=$OPTARG
+      ;;
+    h)
+      usage
+      ;;
+    *)
+      usage
+      ;;
+  esac
+done
+
+if [[
+  -z "$BUCKET" ||
+  -z "$KEY"
+]]
+then
+  usage
+fi
+
+if ! aws s3api head-object --bucket "$BUCKET" --key "$KEY" 2>/dev/null
+then
+    # If the file does not exist, create an empty file
+    touch /tmp/empty_file.txt
+    aws s3api put-object --bucket "$BUCKET" --key "$KEY" --body /tmp/empty_file.txt
+    rm /tmp/empty_file.txt
+    echo "==> Empty file created in S3 bucket"
+else
+    echo "==> File already exists in S3 bucket, skipping creation"
+fi