Adding skip_destroy attribute to ECS Task Definition

docs/terraform.md

@@ -124,6 +124,7 @@
 | <a name="input_service_placement_constraints"></a> [service\_placement\_constraints](#input\_service\_placement\_constraints) | The rules that are taken into consideration during task placement. Maximum number of placement\_constraints is 10. See [`placement_constraints`](https://www.terraform.io/docs/providers/aws/r/ecs_service.html#placement_constraints-1) docs | <pre>list(object({<br/>    type       = string<br/>    expression = string<br/>  }))</pre> | `[]` | no |
 | <a name="input_service_registries"></a> [service\_registries](#input\_service\_registries) | Zero or one service discovery registries for the service.<br/>The currently supported service registry is Amazon Route 53 Auto Naming Service - `aws_service_discovery_service`;<br/>see `service_registries` docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html#service_registries-1"<br/>Service registry is object with required key `registry_arn = string` and optional keys<br/>  `port           = number`<br/>  `container_name = string`<br/>  `container_port = number` | `list(any)` | `[]` | no |
 | <a name="input_service_role_arn"></a> [service\_role\_arn](#input\_service\_role\_arn) | ARN of the IAM role that allows Amazon ECS to make calls to your load balancer on your behalf. This parameter is required if you are using a load balancer with your service, but only if your task definition does not use the awsvpc network mode. If using awsvpc network mode, do not specify this role. If your account has already created the Amazon ECS service-linked role, that role is used by default for your service unless you specify a role here. | `string` | `null` | no |
+| <a name="input_skip_destroy"></a> [skip\_destroy](#input\_skip\_destroy) | Whether to retain the old revision when the resource is destroyed or replacement is necessary. | `bool` | `false` | no |
 | <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
 | <a name="input_subnet_ids"></a> [subnet\_ids](#input\_subnet\_ids) | Subnet IDs used in Service `network_configuration` if `var.network_mode = "awsvpc"` | `list(string)` | `null` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br/>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |

main.tf

@@ -70,6 +70,7 @@ resource "aws_ecs_task_definition" "default" {
   task_role_arn            = length(local.task_role_arn) > 0 ? local.task_role_arn : one(aws_iam_role.ecs_task[*]["arn"])
   track_latest             = var.track_latest
   enable_fault_injection   = var.enable_fault_injection
+  skip_destroy             = var.skip_destroy
 
   dynamic "proxy_configuration" {
     for_each = var.proxy_configuration == null ? [] : [var.proxy_configuration]

variables.tf

@@ -605,3 +605,9 @@ variable "enable_fault_injection" {
   description = "Enables fault injection and allows for fault injection requests to be accepted from the task's containers"
   default     = false
 }
+
+variable "skip_destroy" {
+  type        = bool
+  description = "Whether to retain the old revision when the resource is destroyed or replacement is necessary."
+  default     = false
+}