agent.ps1

Set-ExecutionPolicy Unrestricted
$jenkinsServerUrl = $args[0]
$vmName = $args[1]
$secret = $args[2]

$jenkinsSlaveJarUrl = $jenkinsServerUrl + "jnlpJars/slave.jar"
$jnlpUrl=$jenkinsServerUrl + 'computer/' + $vmName + '/slave-agent.jnlp'

$baseDir = 'c:\azurecsdir'
$JDKUrl = 'http://cdn.azul.com/zulu/bin/zulu8.17.0.3-jdk8.0.102-win_x64.zip?jenkins'
$destinationJDKZipPath = $baseDir + '\zuluJDK.zip'
$destinationSlaveJarPath = $baseDir + '\slave.jar'
$javaExe = $baseDir + '\zulu8.17.0.3-jdk8.0.102-win_x64\bin\java.exe'

$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;
}

# Checking if this is first time script is getting executed, if yes then downloading JDK and Git
If(-not((Test-Path $destinationJDKZipPath)))
{
    md -Path $baseDir -Force
    $wc = New-Object System.Net.WebClient
    $wc.DownloadFile($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())

    $wc = New-Object System.Net.WebClient
    $wc.DownloadFile($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"

    $wc = New-Object System.Net.WebClient
    $wc.DownloadFile($jenkinsSlaveJarUrl, $destinationSlaveJarPath)

    $scriptPath = Get-ScriptPath
    $content = 'powershell.exe -ExecutionPolicy Unrestricted -file' + ' '+ $scriptPath + ' '+ $jenkinsServerUrl + ' ' + $vmName + ' ' + $secret
    $commandFile = $baseDir + '\slaveagenttask.cmd'
    $content | Out-File $commandFile -Encoding ASCII -Append
    schtasks /create /tn "Jenkins slave agent" /ru "SYSTEM" /sc onstart /rl HIGHEST /delay 0000:30 /tr $commandFile /f
}

# Launching jenkins slave agent
$process = New-Object System.Diagnostics.Process;
$process.StartInfo.FileName = $javaExe;
If($secret)
{
    $process.StartInfo.Arguments = "-jar $destinationSlaveJarPath -secret $secret -jnlpUrl $jnlpUrl"
}
else
{
    $process.StartInfo.Arguments = "-jar $destinationSlaveJarPath -jnlpUrl $jnlpUrl"
}
$process.StartInfo.RedirectStandardError = $true;
$process.StartInfo.RedirectStandardOutput = $true;
$process.StartInfo.UseShellExecute = $false;
$process.StartInfo.CreateNoWindow = $true;

$newPath = $env:Path + ';' + $GITPath
$process.StartInfo.EnvironmentVariables.Item('Path') = $newPath


$process.StartInfo;
$process.Start();

Write-Host 'Done Init Script.';