chore: s3 delete old files

Author: chrispsheehan

infra/modules/aws/code_bucket/main.tf

@@ -10,3 +10,18 @@ resource "aws_s3_bucket_ownership_controls" "lambda" {
     object_ownership = "BucketOwnerEnforced"
   }
 }
+
+resource "aws_s3_bucket_lifecycle_configuration" "delete_old_files" {
+  count = var.s3_expiration_days > 0 ? 1 : 0
+
+  bucket = aws_s3_bucket.lambda.id
+
+  rule {
+    id     = "delete-expired-objects"
+    status = "Enabled"
+
+    expiration {
+      days = var.s3_expiration_days
+    }
+  }
+}

infra/modules/aws/code_bucket/variables.tf

@@ -1,4 +1,13 @@
+### start of static vars set in root.hcl ###
 variable "lambda_bucket" {
   description = "S3 bucket to host lambda code files"
   type        = string
 }
+### end of static vars set in root.hcl ###
+
+
+variable "s3_expiration_days" {
+  description = "Number of days before objects are deleted (set to 0 to disable)"
+  type        = number
+  default     = 0
+}