Add ephemeral storage support (#27)

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
-  - repo: git://github.com/antonbabenko/pre-commit-terraform
-    rev: v1.50.0
+  - repo: https://github.com/antonbabenko/pre-commit-terraform
+    rev: v1.71.0
     hooks:
       - id: terraform_docs
       - id: terraform_fmt

README.md

@@ -81,6 +81,7 @@ In order to run all checks at any point run the following command:
 | <a name="input_entrypoint"></a> [entrypoint](#input\_entrypoint) | The entry point that is passed to the container | `list(string)` | `null` | no |
 | <a name="input_environment"></a> [environment](#input\_environment) | The environment variables to pass to the container. This is a list of maps. map\_environment overrides environment | <pre>list(object({<br>    name  = string<br>    value = string<br>  }))</pre> | `[]` | no |
 | <a name="input_environment_files"></a> [environment\_files](#input\_environment\_files) | One or more files containing the environment variables to pass to the container. This maps to the --env-file option to docker run. The file must be hosted in Amazon S3. This option is only available to tasks using the EC2 launch type. This is a list of maps | <pre>list(object({<br>    value = string<br>    type  = string<br>  }))</pre> | `[]` | no |
+| <a name="input_ephemeral_storage_size"></a> [ephemeral\_storage\_size](#input\_ephemeral\_storage\_size) | The number of GBs to provision for ephemeral storage on Fargate tasks. Must be greater than or equal to 21 and less than or equal to 200 | `number` | `0` | no |
 | <a name="input_essential"></a> [essential](#input\_essential) | Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value | `bool` | `true` | no |
 | <a name="input_extra_hosts"></a> [extra\_hosts](#input\_extra\_hosts) | A list of hostnames and IP address mappings to append to the /etc/hosts file on the container. This is a list of maps | <pre>list(object({<br>    ipAddress = string<br>    hostname  = string<br>  }))</pre> | `null` | no |
 | <a name="input_firelens_configuration"></a> [firelens\_configuration](#input\_firelens\_configuration) | The FireLens configuration for the container. This is used to specify and configure a log router for container logs. For more details, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_FirelensConfiguration.html | <pre>object({<br>    type    = string<br>    options = map(string)<br>  })</pre> | `null` | no |

main.tf

@@ -102,6 +102,12 @@ resource "aws_ecs_task_definition" "td" {
       type           = lookup(proxy_configuration.value, "type", null)
     }
   }
+  dynamic "ephemeral_storage" {
+    for_each = var.ephemeral_storage_size == 0 ? [] : [var.ephemeral_storage_size]
+    content {
+      size_in_gib = var.ephemeral_storage_size
+    }
+  }
   dynamic "volume" {
     for_each = var.volumes
     content {

variables.tf

@@ -366,6 +366,17 @@ variable "proxy_configuration" {
   default     = []
 }
 
+variable "ephemeral_storage_size" {
+  type        = number
+  description = "The number of GBs to provision for ephemeral storage on Fargate tasks. Must be greater than or equal to 21 and less than or equal to 200"
+  default     = 0
+
+  validation {
+    condition     = var.ephemeral_storage_size == 0 || (var.ephemeral_storage_size >= 21 && var.ephemeral_storage_size <= 200)
+    error_message = "The ephemeral_storage_size value must be inclusively between 21 and 200."
+  }
+}
+
 variable "volumes" {
   description = "(Optional) A set of volume blocks that containers in your task may use"
   type = list(object({