DSC Push model Sample for AD Memeber (DSC Sever) to WorkGroup Servers (30 servers). Speed comparison with DSC and Valentia.

DSCPushSample.ps1

# DSC Push のサンプルとして、サーバー30台に対する DSC-Service のWindows 機能インストールを行う

configuration InstallDSCServiceCredential
{
    param
    (
        [PSCredential]
        $credential
    )
    node $AllNodes.NodeName
    {     
        WindowsFeature DSCService
        {
            Name  = "DSC-Service"
            Ensure = "Present"
        }
    }
}

$computers = Show-ValentiaGroup | where Name -eq "30Servers.ps1" | target
$nodeName =  $computers | %{@{NodeName = $_}}
$ConfigurationData = @{
    AllNodes = @(
        @{
            NodeName = "*"
            PSDscAllowPlainTextPassword = $true
        }
        $nodeName
    )
}

$credential = Get-ValentiaCredential
$cimSession = New-CimSession -Authentication Negotiate -Credential $credential -ComputerName $computers
$dsc = InstallDSCServiceCredential -output "." -ConfigurationData $ConfigurationData -credential $credential
Start-DscConfiguration -cimSession $cimSession -Wait -Force -Verbose -Path ($dsc.Directory.FullName | select -First 1)


# DSC Push との比較として、 PowerShell Deployment Library の valentia で 、別の30台サーバー群に対して、Runspace による非同期実行
# valentia : https://github.com/guitarrapc/valentia
valea 30ServersPart2.ps1 {Install-WindowsFeature -Name DSC-Service} 

<#
30 台に対する DSC　Serviceのインストール
valentia の valea : 79.3602306sec
DSC の push : 103.551sec
#>