terraform { required_providers { testing = { source = "hashicorp/testing" version = "0.1.0" } } } variable "datasource_id" { type = string } variable "resource_id" { type = string } variable "write_only_input" { type = string sensitive = true } data "testing_write_only_data_source" "data" { id = var.datasource_id write_only = var.write_only_input } resource "testing_write_only_resource" "data" { id = var.resource_id value = data.testing_write_only_data_source.data.value write_only = var.write_only_input }