Add support for lambda layers (#79)

chime · Aug 22, 2023 · 11e8af6 · 11e8af6
1 parent 39e77d1
commit 11e8af6
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/modules/terraform-aws-alternat/lambda.tf b/modules/terraform-aws-alternat/lambda.tf
@@ -15,6 +15,8 @@ resource "aws_lambda_function" "alternat_autoscaling_hook" {
   timeout       = var.lambda_timeout
   role          = aws_iam_role.nat_lambda_role.arn
 
+  layers        = var.lambda_layer_arns
+
   image_uri = var.lambda_package_type == "Image" ? "${var.alternat_image_uri}:${var.alternat_image_tag}" : null
 
   runtime          = var.lambda_package_type == "Zip" ? "python3.8" : null
@@ -127,6 +129,8 @@ resource "aws_lambda_function" "alternat_connectivity_tester" {
   timeout       = var.lambda_timeout
   role          = aws_iam_role.nat_lambda_role.arn
 
+  layers        = var.lambda_layer_arns
+
   image_uri = var.lambda_package_type == "Image" ? "${var.alternat_image_uri}:${var.alternat_image_tag}" : null
 
   runtime          = var.lambda_package_type == "Zip" ? "python3.8" : null

diff --git a/modules/terraform-aws-alternat/variables.tf b/modules/terraform-aws-alternat/variables.tf
@@ -1,6 +1,6 @@
 variable "additional_instance_policies" {
   description = "Additional policies for the HA NAT instance IAM role."
-  type = list(object({
+  type        = list(object({
     policy_name = string
     policy_json = string
   }))
@@ -169,7 +169,7 @@ variable "tags" {
 
 variable "vpc_az_maps" {
   description = "A map of az to private route tables that the NAT instances will manage."
-  type = list(object({
+  type        = list(object({
     az                 = string
     private_subnet_ids = list(string)
     public_subnet_id   = string
@@ -208,7 +208,7 @@ variable "lambda_timeout" {
 
 variable "lambda_handlers" {
   description = "Lambda handlers."
-  type = object({
+  type        = object({
     connectivity_tester       = string,
     alternat_autoscaling_hook = string,
   })
@@ -235,3 +235,10 @@ variable "lambda_function_architectures" {
   type        = list(string)
   default     = ["x86_64"]
 }
+
+variable "lambda_layer_arns" {
+  type        = list(string)
+  description = "List of Lambda layers ARN that will be added to functions"
+  default     = null
+}
+