feat: add configurable Devolutions Gateway version for windows-rdp module (#148)

Co-authored-by: blink-so[bot] <211532188+blink-so[bot]@users.noreply.github.com>
Co-authored-by: matifali <[email protected]>

Author: blink-so[bot]

registry/coder/modules/windows-rdp/README.md

@@ -16,7 +16,7 @@ Enable Remote Desktop + a web based client on Windows workspaces, powered by [de
 module "windows_rdp" {
   count       = data.coder_workspace.me.start_count
   source      = "registry.coder.com/coder/windows-rdp/coder"
-  version     = "1.1.0"
+  version     = "1.2.0"
   agent_id    = resource.coder_agent.main.id
   resource_id = resource.aws_instance.dev.id
 }
@@ -34,7 +34,7 @@ module "windows_rdp" {
 module "windows_rdp" {
   count       = data.coder_workspace.me.start_count
   source      = "registry.coder.com/coder/windows-rdp/coder"
-  version     = "1.1.0"
+  version     = "1.2.0"
   agent_id    = resource.coder_agent.main.id
   resource_id = resource.aws_instance.dev.id
 }
@@ -46,12 +46,25 @@ module "windows_rdp" {
 module "windows_rdp" {
   count       = data.coder_workspace.me.start_count
   source      = "registry.coder.com/coder/windows-rdp/coder"
-  version     = "1.1.0"
+  version     = "1.2.0"
   agent_id    = resource.coder_agent.main.id
   resource_id = resource.google_compute_instance.dev[0].id
 }
 ```
 
+### With Custom Devolutions Gateway Version
+
+```tf
+module "windows_rdp" {
+  count                       = data.coder_workspace.me.start_count
+  source                      = "registry.coder.com/coder/windows-rdp/coder"
+  version                     = "1.2.0"
+  agent_id                    = resource.coder_agent.main.id
+  resource_id                 = resource.aws_instance.dev.id
+  devolutions_gateway_version = "2025.1.6" # Specify a specific version
+}
+```
+
 ## Roadmap
 
 - [ ] Test on Microsoft Azure.

registry/coder/modules/windows-rdp/main.tf

@@ -51,14 +51,21 @@ variable "admin_password" {
   sensitive = true
 }
 
+variable "devolutions_gateway_version" {
+  type        = string
+  default     = "2025.2.1"
+  description = "Version of Devolutions Gateway to install. Defaults to the latest available version."
+}
+
 resource "coder_script" "windows-rdp" {
   agent_id     = var.agent_id
   display_name = "windows-rdp"
   icon         = "/icon/desktop.svg"
 
   script = templatefile("${path.module}/powershell-installation-script.tftpl", {
-    admin_username = var.admin_username
-    admin_password = var.admin_password
+    admin_username              = var.admin_username
+    admin_password              = var.admin_password
+    devolutions_gateway_version = var.devolutions_gateway_version
 
     # Wanted to have this be in the powershell template file, but Terraform
     # doesn't allow recursive calls to the templatefile function. Have to feed

registry/coder/modules/windows-rdp/powershell-installation-script.tftpl

@@ -21,7 +21,7 @@ function Configure-RDP {
 function Install-DevolutionsGateway {
 # Define the module name and version
 $moduleName = "DevolutionsGateway"
-$moduleVersion = "2024.1.5"
+$moduleVersion = "${devolutions_gateway_version}"
 
 # Install the module with the specified version for all users
 # This requires administrator privileges