add disk_path to docker_compose (#319)

* add disk_path to docker_compose

main.tf

@@ -122,6 +122,7 @@ module "docker_compose_config" {
 
   tfe_license = var.hc_license
 
+  disk_path                 = var.operational_mode == "disk" ? var.disk_path : null
   hostname                  = local.fqdn
   http_port                 = var.http_port
   https_port                = var.https_port

tests/standalone-vault/main.tf

@@ -45,6 +45,7 @@ module "standalone_vault" {
   source = "../../"
 
   acm_certificate_arn   = var.acm_certificate_arn
+  disk_path             = "/opt/hashicorp/data"
   domain_name           = var.domain_name
   friendly_name_prefix  = local.friendly_name_prefix
   tfe_license_secret_id = try(module.secrets[0].tfe_license_secret_id, var.tfe_license_secret_id)
@@ -60,6 +61,7 @@ module "standalone_vault" {
   kms_key_arn                   = module.kms.key
   load_balancing_scheme         = local.load_balancing_scheme
   node_count                    = 1
+  operational_mode              = "disk"
   redis_encryption_at_rest      = false
   redis_encryption_in_transit   = false
   redis_use_password_auth       = false

variables.tf

@@ -225,7 +225,7 @@ variable "custom_image_tag" {
 
 variable "disk_path" {
   default     = null
-  description = "The pathname of the directory in which Terraform Enterprise will store data on the compute instances."
+  description = "The pathname of the directory in which Terraform Enterprise will store data on the compute instances. Required if var.is_replicated_deployment is false and var.operational_mode is 'disk'."
   type        = string
 }