feat: add Amazon DCV Windows module (#345)

amazon-dcv-windows/README.md

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+---
+display_name: Amazon DCV Windows
+description: Amazon DCV Server and Web Client for Windows
+icon: ../.icons/dcv.svg
+maintainer_github: coder
+verified: true
+tags: [windows, amazon, dcv, web, desktop]
+---
+
+# Amazon DCV Windows
+
+Amazon DCV is high performance remote display protocol that provides a secure way to deliver remote desktop and application streaming from any cloud or data center to any device, over varying network conditions.
+
+![Amazon DCV on a Windows workspace](../.images/amazon-dcv-windows.png)
+
+Enable DCV Server and Web Client on Windows workspaces.
+
+```tf
+module "dcv" {
+  count    = data.coder_workspace.me.start_count
+  source   = "registry.coder.com/modules/amazon-dcv-windows/coder"
+  version  = "1.0.24"
+  agent_id = resource.coder_agent.main.id
+}
+
+
+resource "coder_metadata" "dcv" {
+  count       = data.coder_workspace.me.start_count
+  resource_id = aws_instance.dev.id # id of the instance resource
+
+  item {
+    key   = "DCV client instructions"
+    value = "Run `coder port-forward ${data.coder_workspace.me.name} -p ${module.dcv[count.index].port}` and connect to **localhost:${module.dcv[count.index].port}${module.dcv[count.index].web_url_path}**"
+  }
+  item {
+    key   = "username"
+    value = module.dcv[count.index].username
+  }
+  item {
+    key       = "password"
+    value     = module.dcv[count.index].password
+    sensitive = true
+  }
+}
+```
+
+## License
+
+Amazon DCV is free to use on AWS EC2 instances but requires a license for other cloud providers. Please see the instructions [here](https://docs.aws.amazon.com/dcv/latest/adminguide/setting-up-license.html#setting-up-license-ec2) for more information.

amazon-dcv-windows/install-dcv.ps1

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+# Terraform variables
+$adminPassword = "${admin_password}"
+$port = "${port}"
+$webURLPath = "${web_url_path}"
+
+function Set-LocalAdminUser {
+    Write-Output "[INFO] Starting Set-LocalAdminUser function"
+    $securePassword = ConvertTo-SecureString $adminPassword -AsPlainText -Force
+    Write-Output "[DEBUG] Secure password created"
+    Get-LocalUser -Name Administrator | Set-LocalUser -Password $securePassword
+    Write-Output "[INFO] Administrator password set"
+    Get-LocalUser -Name Administrator | Enable-LocalUser
+    Write-Output "[INFO] User Administrator enabled successfully"
+    Read-Host "[DEBUG] Press Enter to proceed to the next step"
+}
+
+function Get-VirtualDisplayDriverRequired {
+    Write-Output "[INFO] Starting Get-VirtualDisplayDriverRequired function"
+    $token = Invoke-RestMethod -Headers @{'X-aws-ec2-metadata-token-ttl-seconds' = '21600'} -Method PUT -Uri http://169.254.169.254/latest/api/token
+    Write-Output "[DEBUG] Token acquired: $token"
+    $instanceType = Invoke-RestMethod -Headers @{'X-aws-ec2-metadata-token' = $token} -Method GET -Uri http://169.254.169.254/latest/meta-data/instance-type
+    Write-Output "[DEBUG] Instance type: $instanceType"
+    $OSVersion = ((Get-ItemProperty -Path "Microsoft.PowerShell.Core\Registry::\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ProductName).ProductName) -replace "[^0-9]", ''
+    Write-Output "[DEBUG] OS version: $OSVersion"
+
+    # Force boolean result
+    $result = (($OSVersion -ne "2019") -and ($OSVersion -ne "2022") -and ($OSVersion -ne "2025")) -and (($instanceType[0] -ne 'g') -and ($instanceType[0] -ne 'p'))
+    Write-Output "[INFO] VirtualDisplayDriverRequired result: $result"
+    Read-Host "[DEBUG] Press Enter to proceed to the next step"
+    return [bool]$result
+}
+
+function Download-DCV {
+    param (
+        [bool]$VirtualDisplayDriverRequired
+    )
+    Write-Output "[INFO] Starting Download-DCV function"
+
+    $downloads = @(
+        @{
+            Name = "DCV Display Driver"
+            Required = $VirtualDisplayDriverRequired
+            Path = "C:\Windows\Temp\DCVDisplayDriver.msi"
+            Uri = "https://d1uj6qtbmh3dt5.cloudfront.net/nice-dcv-virtual-display-x64-Release.msi"
+        },
+        @{
+            Name = "DCV Server"
+            Required = $true
+            Path = "C:\Windows\Temp\DCVServer.msi"
+            Uri = "https://d1uj6qtbmh3dt5.cloudfront.net/nice-dcv-server-x64-Release.msi"
+        }
+    )
+
+    foreach ($download in $downloads) {
+        if ($download.Required -and -not (Test-Path $download.Path)) {
+            try {
+                Write-Output "[INFO] Downloading $($download.Name)"
+
+                # Display progress manually (no events)
+                $progressActivity = "Downloading $($download.Name)"
+                $progressStatus = "Starting download..."
+                Write-Progress -Activity $progressActivity -Status $progressStatus -PercentComplete 0
+
+                # Synchronously download the file
+                $webClient = New-Object System.Net.WebClient
+                $webClient.DownloadFile($download.Uri, $download.Path)
+
+                # Update progress
+                Write-Progress -Activity $progressActivity -Status "Completed" -PercentComplete 100
+
+                Write-Output "[INFO] $($download.Name) downloaded successfully."
+            } catch {
+                Write-Output "[ERROR] Failed to download $($download.Name): $_"
+                throw
+            }
+        } else {
+            Write-Output "[INFO] $($download.Name) already exists. Skipping download."
+        }
+    }
+
+    Write-Output "[INFO] All downloads completed"
+    Read-Host "[DEBUG] Press Enter to proceed to the next step"
+}
+
+function Install-DCV {
+    param (
+        [bool]$VirtualDisplayDriverRequired
+    )
+    Write-Output "[INFO] Starting Install-DCV function"
+
+    if (-not (Get-Service -Name "dcvserver" -ErrorAction SilentlyContinue)) {
+        if ($VirtualDisplayDriverRequired) {
+            Write-Output "[INFO] Installing DCV Display Driver"
+            Start-Process "C:\Windows\System32\msiexec.exe" -ArgumentList "/I C:\Windows\Temp\DCVDisplayDriver.msi /quiet /norestart" -Wait
+        } else {
+            Write-Output "[INFO] DCV Display Driver installation skipped (not required)."
+        }
+        Write-Output "[INFO] Installing DCV Server"
+        Start-Process "C:\Windows\System32\msiexec.exe" -ArgumentList "/I C:\Windows\Temp\DCVServer.msi ADDLOCAL=ALL /quiet /norestart /l*v C:\Windows\Temp\dcv_install_msi.log" -Wait
+    } else {
+        Write-Output "[INFO] DCV Server already installed, skipping installation."
+    }
+
+    # Wait for the service to appear with a timeout
+    $timeout = 10  # seconds
+    $elapsed = 0
+    while (-not (Get-Service -Name "dcvserver" -ErrorAction SilentlyContinue) -and ($elapsed -lt $timeout)) {
+        Start-Sleep -Seconds 1
+        $elapsed++
+    }
+
+    if ($elapsed -ge $timeout) {
+        Write-Output "[WARNING] Timeout waiting for dcvserver service. A restart is required to complete installation."
+        Restart-SystemForDCV
+    } else {
+        Write-Output "[INFO] dcvserver service detected successfully."
+    }
+}
+
+function Restart-SystemForDCV {
+    Write-Output "[INFO] The system will restart in 10 seconds to finalize DCV installation."
+    Start-Sleep -Seconds 10
+
+    # Initiate restart
+    Restart-Computer -Force
+
+    # Exit the script after initiating restart
+    Write-Output "[INFO] Please wait for the system to restart..."
+
+    Exit 1
+}
+
+
+function Configure-DCV {
+    Write-Output "[INFO] Starting Configure-DCV function"
+    $dcvPath = "Microsoft.PowerShell.Core\Registry::\HKEY_USERS\S-1-5-18\Software\GSettings\com\nicesoftware\dcv"
+
+    # Create the required paths
+    @("$dcvPath\connectivity", "$dcvPath\session-management", "$dcvPath\session-management\automatic-console-session", "$dcvPath\display") | ForEach-Object {
+        if (-not (Test-Path $_)) {
+            New-Item -Path $_ -Force | Out-Null
+        }
+    }
+
+    # Set registry keys
+    New-ItemProperty -Path "$dcvPath\session-management" -Name create-session -PropertyType DWORD -Value 1 -Force
+    New-ItemProperty -Path "$dcvPath\session-management\automatic-console-session" -Name owner -Value Administrator -Force
+    New-ItemProperty -Path "$dcvPath\connectivity" -Name quic-port -PropertyType DWORD -Value $port -Force
+    New-ItemProperty -Path "$dcvPath\connectivity" -Name web-port -PropertyType DWORD -Value $port -Force
+    New-ItemProperty -Path "$dcvPath\connectivity" -Name web-url-path -PropertyType String -Value $webURLPath -Force
+
+    # Attempt to restart service
+    if (Get-Service -Name "dcvserver" -ErrorAction SilentlyContinue) {
+        Restart-Service -Name "dcvserver"
+    } else {
+        Write-Output "[WARNING] dcvserver service not found. Ensure the system was restarted properly."
+    }
+
+    Write-Output "[INFO] DCV configuration completed"
+    Read-Host "[DEBUG] Press Enter to proceed to the next step"
+}
+
+# Main Script Execution
+Write-Output "[INFO] Starting script"
+$VirtualDisplayDriverRequired = [bool](Get-VirtualDisplayDriverRequired)
+Set-LocalAdminUser
+Download-DCV -VirtualDisplayDriverRequired $VirtualDisplayDriverRequired
+Install-DCV -VirtualDisplayDriverRequired $VirtualDisplayDriverRequired
+Configure-DCV
+Write-Output "[INFO] Script completed"

amazon-dcv-windows/main.tf

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+terraform {
+  required_version = ">= 1.0"
+
+  required_providers {
+    coder = {
+      source  = "coder/coder"
+      version = ">= 0.17"
+    }
+  }
+}
+
+variable "agent_id" {
+  type        = string
+  description = "The ID of a Coder agent."
+}
+
+variable "admin_password" {
+  type      = string
+  default   = "coderDCV!"
+  sensitive = true
+}
+
+variable "port" {
+  type        = number
+  description = "The port number for the DCV server."
+  default     = 8443
+}
+
+variable "subdomain" {
+  type        = bool
+  description = "Whether to use a subdomain for the DCV server."
+  default     = true
+}
+
+variable "slug" {
+  type        = string
+  description = "The slug of the web-dcv coder_app resource."
+  default     = "web-dcv"
+}
+
+resource "coder_app" "web-dcv" {
+  agent_id     = var.agent_id
+  slug         = var.slug
+  display_name = "Web DCV"
+  url          = "https://localhost:${var.port}${local.web_url_path}?username=${local.admin_username}&password=${var.admin_password}"
+  icon         = "/icon/dcv.svg"
+  subdomain    = var.subdomain
+}
+
+resource "coder_script" "install-dcv" {
+  agent_id     = var.agent_id
+  display_name = "Install DCV"
+  icon         = "/icon/dcv.svg"
+  run_on_start = true
+  script = templatefile("${path.module}/install-dcv.ps1", {
+    admin_password : var.admin_password,
+    port : var.port,
+    web_url_path : local.web_url_path
+  })
+}
+
+data "coder_workspace" "me" {}
+data "coder_workspace_owner" "me" {}
+
+locals {
+  web_url_path   = var.subdomain ? "/" : format("/@%s/%s/apps/%s", data.coder_workspace_owner.me.name, data.coder_workspace.me.name, var.slug)
+  admin_username = "Administrator"
+}
+
+output "web_url_path" {
+  value = local.web_url_path
+}
+
+output "username" {
+  value = local.admin_username
+}
+
+output "password" {
+  value     = var.admin_password
+  sensitive = true
+}
+
+output "port" {
+  value = var.port
+}