nixos-rebuild: allow to change deploy user

Author: Mic92

terraform/all-in-one/main.tf

@@ -10,10 +10,14 @@ module "partitioner-build" {
   file = var.file
 }
 
+locals {
+  install_user = var.install_user == null ? var.target_user : var.install_user
+}
+
 module "install" {
   source                 = "../install"
   kexec_tarball_url      = var.kexec_tarball_url
-  target_user            = var.target_user
+  target_user            = local.install_user
   target_host            = var.target_host
   target_port            = var.target_port
   nixos_partitioner      = module.partitioner-build.result.out
@@ -30,4 +34,5 @@ module "nixos-rebuild" {
   source = "../nixos-rebuild"
   nixos_system = module.system-build.result.out
   target_host = var.target_host
+  target_user = var.target_user
 }

terraform/all-in-one/variables.tf

@@ -27,9 +27,15 @@ variable "target_host" {
   description = "DNS host to deploy to"
 }
 
+variable "install_user" {
+  type        = string
+  description = "SSH user used to connect to the target_host, before installing NixOS. If null than the value of `target_host` is used"
+  default     = null
+}
+
 variable "target_user" {
   type        = string
-  description = "SSH user used to connect to the target_host, before installing NixOS"
+  description = "SSH user used to connect to the target_host after installing NixOS. If install_user is not set than this user is also used before installing."
   default     = "root"
 }