terraform_check_attribute_empty.tf

# sample for lifecycle config
variable "bucket_lifecycle_config" {
  type        = list(any)
  description = "Bucket lifecycle. Set empty list if you want to ignore the lifecycle configuration."
  default     = []
}

bucket_lifecycle_config = [{
  "id"     = "DisposePLIST"
  "prefix" = "disposable"
  "status" = "Enabled"

  "noncurrent_version_expiration" = {
    "noncurrent_days"           = 1
    "newer_noncurrent_versions" = null
  }

  "expiration" = {
    "expiration_days"              = 1
    "expired_object_delete_marker" = true
  }

  "transition" = []

  "noncurrent_version_transition" = []
}]

# resource
resource "aws_s3_bucket_lifecycle_configuration" "lifecycle_config" {
  bucket = aws_s3_bucket.bucket.id

  for_each = {
    for index, v in var.bucket_lifecycle_config :
    v.id => v
  }
  rule {
    id = each.value.id
    filter {
      prefix = each.value.prefix
    }

    dynamic "expiration" {
      for_each = try(each.value.expiration, -1) != -1  ? tolist([each.value.expiration]) : []
      content {
        days                         = expiration.value.expiration_days
        expired_object_delete_marker = expiration.value.expired_object_delete_marker
      }
    }

    dynamic "transition" {
      for_each = each.value.transition
      content {
        days          = transition.value.transition_days
        storage_class = transition.value.transition_storage_class
      }
    }

    dynamic "noncurrent_version_transition" {
      for_each = each.value.noncurrent_version_transition
      content {
        noncurrent_days = noncurrent_version_transition.value.noncurrent_version_transition_days
        storage_class   = noncurrent_version_transition.value.noncurrent_version_storage_class
      }
    }

    dynamic "noncurrent_version_expiration" {
      for_each = try(each.value.noncurrent_version_expiration, -1) != -1  ? tolist([each.value.noncurrent_version_expiration]) : []
      content {
        noncurrent_days           = noncurrent_version_expiration.value.noncurrent_days
        newer_noncurrent_versions = noncurrent_version_expiration.value.newer_noncurrent_versions
      }
    }

    status = each.value.status
  }
}