Created
July 4, 2024 20:15
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Shrink docker desktop too huge virtual disk. Shrink docker desktop ext4 WSL Windows 10 11
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| # Script to shrink docker desktop data, a common issue at WSL 2 | |
| # Most of the script is generated with ChatGPT | |
| # Check if the script is running as administrator | |
| $currentUser = [Security.Principal.WindowsIdentity]::GetCurrent() | |
| $adminRole = [Security.Principal.WindowsBuiltInRole]::Administrator | |
| $currentPrincipal = New-Object Security.Principal.WindowsPrincipal($currentUser) | |
| if (-not $currentPrincipal.IsInRole($adminRole)) { | |
| Write-Host "Requesting administrator privileges..." | |
| Start-Process powershell -ArgumentList "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs | |
| exit | |
| } | |
| # Define the VHDX file path | |
| $vhdxPath = "$env:LOCALAPPDATA\Docker\wsl\disk\docker_data.vhdx" | |
| # Function to stop Docker Desktop application | |
| function Stop-DockerDesktop { | |
| Write-Host "Stopping Docker Desktop application..." | |
| # Stop Docker Desktop GUI application | |
| $guiProcess = Get-WmiObject Win32_Process -Filter "Name = 'Docker Desktop.exe'" | |
| if ($guiProcess) { | |
| $guiProcess | ForEach-Object { | |
| try { | |
| Stop-Process -Id $_.ProcessId -Force | |
| Write-Host "Stopped GUI process ID: $($_.ProcessId)" | |
| } catch { | |
| Write-Host "Failed to stop GUI process ID: $($_.ProcessId)" | |
| } | |
| Start-Sleep -Seconds 1 | |
| } | |
| } else { | |
| Write-Host "Docker Desktop GUI application is not running." | |
| } | |
| # Stop Docker backend and dev-envs processes | |
| $dockerProcesses = Get-WmiObject Win32_Process -Filter "Name = 'com.docker.backend.exe' OR Name = 'com.docker.dev-envs.exe'" | |
| if ($dockerProcesses) { | |
| $dockerProcesses | ForEach-Object { | |
| try { | |
| Stop-Process -Id $_.ProcessId -Force | |
| Write-Host "Stopped process ID: $($_.ProcessId)" | |
| } catch { | |
| Write-Host "Failed to stop process ID: $($_.ProcessId)" | |
| } | |
| Start-Sleep -Seconds 1 | |
| } | |
| Write-Host "Docker Desktop application stopped." | |
| } else { | |
| Write-Host "Docker Desktop application is not running." | |
| } | |
| } | |
| # Stop Docker Desktop application | |
| Stop-DockerDesktop | |
| # Stop Docker Desktop service | |
| Write-Host "Stopping Docker Desktop service..." | |
| Stop-Service -Name "com.docker.service" -Force | |
| Start-Sleep -Seconds 1 | |
| Write-Host "Docker Desktop service stopped." | |
| # Stop WSL 2 container | |
| Write-Host "Stopping WSL 2 container..." | |
| wsl --shutdown | |
| Start-Sleep -Seconds 1 | |
| Write-Host "WSL 2 container stopped." | |
| # Shrink the VHDX file using diskpart | |
| Write-Host "Shrinking VHDX file using diskpart..." | |
| $diskpartScript = @" | |
| select vdisk file="$vhdxPath" | |
| compact vdisk | |
| "@ | |
| $diskpartScriptPath = [System.IO.Path]::GetTempFileName() | |
| $diskpartScript | Out-File -FilePath $diskpartScriptPath -Encoding ASCII | |
| diskpart /s $diskpartScriptPath | |
| Remove-Item $diskpartScriptPath | |
| Write-Host "VHDX file shrink operation completed." | |
| # Pause at the end of the script | |
| Write-Host "Script execution completed." | |
| Pause |
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