Allow lambda_function_associations to be set (#78)

Co-authored-by: Paul Potsides <paul@koble.ai>

variables.tf

@@ -193,6 +193,20 @@ variable "cloudfront_function_association" {
   default = []
 }
 
+variable "cloudfront_lambda_function_association" {
+  description = "(Optional - up to 2 per distribution) List containing information to associate a CF lambda_function to cloudfront. The first field is `event_type` of the CF function associated with default cache behavior, it can be origin-request or origin-response"
+  type = list(object({
+    event_type   = string
+    lambda_arn   = string
+    include_body = bool
+  }))
+  default = []
+  validation {
+    condition     = length(var.cloudfront_lambda_function_association) <= 2
+    error_message = "Only up to 2 cloudfront_lambda_function_associations are allowed"
+  }
+}
+
 variable "cloudfront_custom_error_responses" {
   description = "A list of custom error responses"
   type = list(object({

website.tf

@@ -167,6 +167,14 @@ resource "aws_cloudfront_distribution" "website" {
         function_arn = function_association.value.function_arn
       }
     }
+    dynamic "lambda_function_association" {
+      for_each = var.cloudfront_lambda_function_association
+      content {
+        event_type   = lambda_function_association.value.event_type
+        lambda_arn   = lambda_function_association.value.lambda_arn
+        include_body = lambda_function_association.value.include_body
+      }
+    }
   }
 
   dynamic "custom_error_response" {