init_script.ps1

# Image publish: MicrosoftWindowsServer
# Image offer: WindowsServer
# Image Sku: 2019-Datacenter-with-Containers

# Init Script:
Set-ExecutionPolicy Unrestricted
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

$baseDir = 'c:\azurecsdir'

$JDKUrl = 'https://github.com/AdoptOpenJDK/openjdk11-binaries/releases/download/jdk-11.0.3%2B7/OpenJDK11U-jre_x64_windows_hotspot_11.0.3_7.zip'
$destinationJDKZipPath = "$baseDir\adoptOpenJDK.zip"
$javaHome = "$baseDir\jdk-11.0.3+7-jre"

$vsBuildToolsUrl = 'https://download.visualstudio.microsoft.com/download/pr/aab801bf-dcd0-4d7c-8552-a0c3b4fee032/5a2cee2a57d38e90f6a555044782097f/vs_buildtools.exe'
$destinationVSBuiltToolsExePath = "$baseDir\vs_buildtools.exe"
$VSToolsPath = "$baseDir\vstools\MSBuild\Current\Bin\"

$GITUrl = 'https://github.com/git-for-windows/git/releases/download/v2.10.0.windows.1/MinGit-2.10.0-64-bit.zip'
$destinationGITZipPath = "$baseDir\MinGit.zip"
$GITPath = "$baseDir\git\cmd\"

# Function to get path of script file
function Get-ScriptPath
{
    return $MyInvocation.ScriptName;
}

function DownloadFile($url, $targetFile)
{
   $uri = New-Object "System.Uri" "$url"
   $request = [System.Net.HttpWebRequest]::Create($uri)
   $request.set_Timeout(15000) #15 second timeout
   $response = $request.GetResponse()
   $totalLength = [System.Math]::Floor($response.get_ContentLength()/1024)
   $responseStream = $response.GetResponseStream()
   $targetStream = New-Object -TypeName System.IO.FileStream -ArgumentList $targetFile, Create
   $buffer = new-object byte[] 10KB
   $count = $responseStream.Read($buffer,0,$buffer.length)
   $downloadedBytes = $count
   while ($count -gt 0) {
       $targetStream.Write($buffer, 0, $count)
       $count = $responseStream.Read($buffer,0,$buffer.length)
       $downloadedBytes = $downloadedBytes + $count
       Write-Progress -activity "Downloading file '$($url.split('/') | Select -Last 1)'" -status "Downloaded ($([System.Math]::Floor($downloadedBytes/1024))K of $($totalLength)K): " -PercentComplete ((([System.Math]::Floor($downloadedBytes/1024)) / $totalLength)  * 100)
   }
   Write-Progress -activity "Finished downloading file '$($url.split('/') | Select -Last 1)'"
   $targetStream.Flush()
   $targetStream.Close()
   $targetStream.Dispose()
   $responseStream.Dispose()
}

# Checking if this is first time script is getting executed, if yes then downloading JDK, Git and VS Tools
If(-not((Test-Path $destinationJDKZipPath)))
{
    md -Path $baseDir -Force
    DownloadFile $JDKUrl $destinationJDKZipPath
    
    $shell_app = new-object -com shell.application
    $zip_file = $shell_app.namespace($destinationJDKZipPath)
    $javaInstallDir = $shell_app.namespace($baseDir)
    $javaInstallDir.Copyhere($zip_file.items())

    DownloadFile $GITUrl $destinationGITZipPath
    
    md -Path "$baseDir\git" -Force
    $zip_file = $shell_app.namespace($destinationGITZipPath)
    $gitInstallDir = $shell_app.namespace("$baseDir\git")
    $gitInstallDir.Copyhere($zip_file.items())
    & "$GITPath\git" config --system core.autocrlf false
    & "$GITPath\git" config --system  core.longpaths true
    
    # install the VS2019 Build Tools, this gets us msbuild and signtool for signing
    md -Path "$baseDir\vstools" -Force
    DownloadFile $vsBuildToolsUrl $destinationVSBuiltToolsExePath
    Start-Process -FilePath "$destinationVSBuiltToolsExePath" -ArgumentList "--installPath", "$baseDir\vstools", "--passive", "--wait", "--norestart", "--add", "Microsoft.VisualStudio.Component.Windows10SDK.17763", "--remove", "Microsoft.VisualStudio.Component.Windows10SDK.10240", "--remove", "Microsoft.VisualStudio.Component.Windows10SDK.10586", "--remove", "Microsoft.VisualStudio.Component.Windows10SDK.14393", "--remove", "Microsoft.VisualStudio.Component.Windows81SDK" -Wait -PassThru | Out-Null

    # update the system path to include Git, Java, VSTools and the Windows kits (for signtool)
    $oldPath = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment' -Name PATH).path
    $newPath = "$oldPath;$javaHome\bin;$GITPath;$VSToolsPath;C:\Program Files (x86)\Windows Kits\10\bin\10.0.17763.0\x64"
    Set-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment' -Name PATH -Value $newPath
    # setup JAVA_HOME environment variable
    New-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment' -Name JAVA_HOME -Value $javaHome

    # enable .NET 3.5 feature
    Add-WindowsFeature NET-Framework-Core
}

Write-Host 'Done Init Script.'