chore: add fetch_lambda_from_s3 flag

Author: TheUnderScorer

main.tf

@@ -100,13 +100,13 @@ data "aws_s3_object" "fpjs_integration_s3_bucket" {
 
 resource "aws_lambda_function" "fpjs_proxy_lambda" {
   description      = "Fingerprint Proxy Lambda@Edge function"
-  s3_bucket        = var.local_lambda_path == null ? data.aws_s3_object.fpjs_integration_s3_bucket.bucket : null
-  s3_key           = var.local_lambda_path == null ? data.aws_s3_object.fpjs_integration_s3_bucket.key : null
-  filename         = var.local_lambda_path != null ? var.local_lambda_path : null
+  s3_bucket        = var.fetch_lambda_from_s3 ? data.aws_s3_object.fpjs_integration_s3_bucket.bucket : null
+  s3_key           = var.fetch_lambda_from_s3 ? data.aws_s3_object.fpjs_integration_s3_bucket.key : null
+  filename         = !var.fetch_lambda_from_s3 ? var.local_lambda_path : null
   function_name    = "fingerprint-pro-cloudfront-lambda-${local.integration_id}"
   role             = aws_iam_role.fpjs_proxy_lambda.arn
   handler          = "fingerprintjs-pro-cloudfront-lambda-function.handler"
-  source_code_hash = var.local_lambda_path == null ? data.aws_s3_object.fpjs_integration_s3_bucket.etag : filemd5(var.local_lambda_path)
+  source_code_hash = var.fetch_lambda_from_s3 ? data.aws_s3_object.fpjs_integration_s3_bucket.etag : filemd5(var.local_lambda_path)
   memory_size      = 128
   timeout          = 10
 

variables.tf

@@ -40,3 +40,9 @@ variable "local_lambda_path" {
   default     = null
   description = "Path to locally built lambda function that should be used for deployment, instead of the lambda stored in S3 bucket. Should be in zip format."
 }
+
+variable "fetch_lambda_from_s3" {
+  type = bool
+  default = true
+  description = "Whether to fetch lambda code from Fingerprint S3 bucket. Should be set to `false` if `local_lambda_path` is used."
+}