feat: add support for EFS File System Config

README.md

@@ -606,6 +606,8 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 | docker\_pip\_cache | Whether to mount a shared pip cache folder into docker environment or not | `any` | `null` | no |
 | docker\_with\_ssh\_agent | Whether to pass SSH\_AUTH\_SOCK into docker environment or not | `bool` | `false` | no |
 | environment\_variables | A map that defines environment variables for the Lambda Function. | `map(string)` | `{}` | no |
+| file\_system\_arn | The Amazon Resource Name (ARN) of the Amazon EFS Access Point that provides access to the file system. | `string` | `null` | no |
+| file\_system\_local\_mount\_path | The path where the function can access the file system, starting with /mnt/. | `string` | `null` | no |
 | function\_name | A unique name for your Lambda Function | `string` | `""` | no |
 | handler | Lambda Function entrypoint in your code | `string` | `""` | no |
 | hash\_extra | The string to add into hashing function. Useful when building same source path for different functions. | `string` | `""` | no |

examples/complete/main.tf

@@ -56,6 +56,14 @@ module "lambda_function" {
     }
   }
 
+
+  ######################
+  # Elastic File System
+  ######################
+
+  file_system_arn              = aws_efs_access_point.lambda.arn
+  file_system_local_mount_path = "/mnt/shared-storage/"
+
   ######################
   # Additional policies
   ######################
@@ -233,6 +241,27 @@ module "s3_bucket" {
   force_destroy = true
 }
 
+resource "aws_efs_file_system" "shared" {}
+
+resource "aws_efs_access_point" "lambda" {
+  file_system_id = aws_efs_file_system.shared.id
+
+  posix_user {
+    gid = 1000
+    uid = 1000
+  }
+
+  root_directory {
+    path = "/lambda"
+    creation_info {
+      owner_gid   = 1000
+      owner_uid   = 1000
+      permissions = "0777"
+    }
+  }
+}
+
+
 resource "aws_sqs_queue" "dlq" {
   name = random_pet.this.id
 }

main.tf

@@ -62,6 +62,14 @@ resource "aws_lambda_function" "this" {
     }
   }
 
+  dynamic "file_system_config" {
+    for_each = var.file_system_arn != null && var.file_system_local_mount_path != null ? [true] : []
+    content {
+      local_mount_path = var.file_system_local_mount_path
+      arn              = var.file_system_arn
+    }
+  }
+
   tags = var.tags
 
   depends_on = [null_resource.archive, aws_s3_bucket_object.lambda_package]

variables.tf

@@ -413,6 +413,18 @@ variable "policy_statements" {
   default     = {}
 }
 
+variable "file_system_arn" {
+  description = "The Amazon Resource Name (ARN) of the Amazon EFS Access Point that provides access to the file system."
+  type        = string
+  default     = null
+}
+
+variable "file_system_local_mount_path" {
+  description = "The path where the function can access the file system, starting with /mnt/."
+  type        = string
+  default     = null
+}
+
 ##########################
 # Build artifact settings
 ##########################