feat: Support arm64 lambda functions

main.tf

@@ -103,6 +103,7 @@ module "webhook" {
   webhook_lambda_s3_key            = var.webhook_lambda_s3_key
   webhook_lambda_s3_object_version = var.webhook_lambda_s3_object_version
   lambda_runtime                   = var.lambda_runtime
+  lambda_architecture              = var.lambda_architecture
   lambda_zip                       = var.webhook_lambda_zip
   lambda_timeout                   = var.webhook_lambda_timeout
   logging_retention_in_days        = var.logging_retention_in_days
@@ -169,6 +170,7 @@ module "runners" {
   runners_lambda_s3_key            = var.runners_lambda_s3_key
   runners_lambda_s3_object_version = var.runners_lambda_s3_object_version
   lambda_runtime                   = var.lambda_runtime
+  lambda_architecture              = var.lambda_architecture
   lambda_zip                       = var.runners_lambda_zip
   lambda_timeout_scale_up          = var.runners_scale_up_lambda_timeout
   lambda_timeout_scale_down        = var.runners_scale_down_lambda_timeout
@@ -229,6 +231,7 @@ module "runner_binaries" {
   syncer_lambda_s3_key            = var.syncer_lambda_s3_key
   syncer_lambda_s3_object_version = var.syncer_lambda_s3_object_version
   lambda_runtime                  = var.lambda_runtime
+  lambda_architecture              = var.lambda_architecture
   lambda_zip                      = var.runner_binaries_syncer_lambda_zip
   lambda_timeout                  = var.runner_binaries_syncer_lambda_timeout
   logging_retention_in_days       = var.logging_retention_in_days

modules/runner-binaries-syncer/runner-binaries-syncer.tf

@@ -19,6 +19,7 @@ resource "aws_lambda_function" "syncer" {
   runtime           = var.lambda_runtime
   timeout           = var.lambda_timeout
   memory_size       = 256
+  architectures     = [var.lambda_architecture]
 
   environment {
     variables = {

modules/runner-binaries-syncer/variables.tf

@@ -187,3 +187,9 @@ variable "lambda_runtime" {
   type        = string
   default     = "nodejs14.x"
 }
+
+variable "lambda_architecture" {
+  description = "AWS Lambda architecture."
+  type        = string
+  default     = "arm64"
+}

modules/runners/scale-down.tf

@@ -18,6 +18,7 @@ resource "aws_lambda_function" "scale_down" {
   timeout           = var.lambda_timeout_scale_down
   tags              = local.tags
   memory_size       = 512
+  architectures     = [var.lambda_architecture]
 
   environment {
     variables = {

modules/runners/scale-up.tf

@@ -12,6 +12,7 @@ resource "aws_lambda_function" "scale_up" {
   reserved_concurrent_executions = var.scale_up_reserved_concurrent_executions
   memory_size                    = 512
   tags                           = local.tags
+  architectures                  = [var.lambda_architecture]
 
   environment {
     variables = {

modules/runners/variables.tf

@@ -551,3 +551,9 @@ variable "lambda_runtime" {
   type        = string
   default     = "nodejs14.x"
 }
+
+variable "lambda_architecture" {
+  description = "AWS Lambda architecture."
+  type        = string
+  default     = "arm64"
+}

modules/webhook/variables.tf

@@ -162,3 +162,9 @@ variable "lambda_runtime" {
   type        = string
   default     = "nodejs14.x"
 }
+
+variable "lambda_architecture" {
+  description = "AWS Lambda architecture."
+  type        = string
+  default     = "arm64"
+}

modules/webhook/webhook.tf

@@ -9,6 +9,7 @@ resource "aws_lambda_function" "webhook" {
   handler           = "index.githubWebhook"
   runtime           = var.lambda_runtime
   timeout           = var.lambda_timeout
+  architectures     = [var.lambda_architecture]
 
   environment {
     variables = {

variables.tf

@@ -641,3 +641,9 @@ variable "lambda_runtime" {
   type        = string
   default     = "nodejs14.x"
 }
+
+variable "lambda_architecture" {
+  description = "AWS Lambda architecture."
+  type        = string
+  default     = "arm64"
+}