There are some problems with the configuration, described below.
The Terraform configuration must be valid before initialization so that
Terraform can determine which modules and providers need to be installed.
Error: Invalid template control keyword
 on .terraform/modules/elasticsearch_cleanup.artifact/main.tf line 2, in data "external" "curl":
 2: program = ["curl", "${var.curl_arguments}", "--write-out", "{\"success\": \"true\", \"filename_effective\": \"%{filename_effective}\"}", "-o", "${local.output_file}", "${local.url}"]
"filename_effective" is not a valid template control keyword.
Error: Unsuitable value type
 on .terraform/modules/elasticsearch_cleanup.artifact/variables.tf line 11, in variable "module_path":
 11: description = "Local path to the terraform module; e.g. `${path.module}`"
Unsuitable value: value must be known
Error: Variables not allowed
 on .terraform/modules/elasticsearch_cleanup.artifact/variables.tf line 11, in variable "module_path":
 11: description = "Local path to the terraform module; e.g. `${path.module}`"
Variables may not be used here.