fix: adjust functions to allow for a clean deletion (#17)

Author: RoseSecurity

src/main.tf

@@ -105,7 +105,7 @@ module "bastion_autoscale_group" {
   default_cooldown            = 300
   scale_down_cooldown_seconds = 300
   wait_for_capacity_timeout   = "10m"
-  user_data_base64            = join("", data.cloudinit_config.config[0][*].rendered)
+  user_data_base64            = try(data.cloudinit_config.config[0].rendered, null)
   tags                        = module.this.tags
   security_group_ids          = [module.sg.id]
   iam_instance_profile_name   = join("", aws_iam_instance_profile.default[*].name)

src/outputs.tf

@@ -4,7 +4,7 @@ output "autoscaling_group_id" {
 }
 
 output "iam_instance_profile" {
-  value       = join("", aws_iam_instance_profile.default[*].name)
+  value       = one(aws_iam_instance_profile.default[*].name)
   description = "Name of AWS IAM Instance Profile"
 }