Lability

0.14.0

Src/Private/New-LabBootStrap.ps1

                                function New-LabBootStrap {

<#

    .SYNOPSIS

        Creates a lab DSC BootStrap script block.

#>

    [CmdletBinding()]

    [OutputType([System.String])]

    param (

        [Parameter(ValueFromPipelineByPropertyName)]

        [System.Management.Automation.SwitchParameter] $CoreCLR,

        ## Custom default shell

        [Parameter(ValueFromPipelineByPropertyName)]

        [System.String] $DefaultShell

    )

    process {

        $coreCLRScriptBlock = {

## Lability CoreCLR DSC Bootstrap

$VerbosePreference = 'Continue';

Import-Certificate -FilePath "$env:SYSTEMDRIVE\BootStrap\LabRoot.cer" -CertStoreLocation 'Cert:\LocalMachine\Root\' -Verbose;

## Import the .PFX certificate with a blank password

Import-PfxCertificate -FilePath "$env:SYSTEMDRIVE\BootStrap\LabClient.pfx" -CertStoreLocation 'Cert:\LocalMachine\My\' -Verbose;

<#CustomBootStrapInjectionPoint#>

if (Test-Path -Path "$env:SystemDrive\BootStrap\localhost.meta.mof") {

    Set-DscLocalConfigurationManager -Path "$env:SystemDrive\BootStrap\" -Verbose;

}

if (Test-Path -Path "$env:SystemDrive\BootStrap\localhost.mof") {

    Start-DscConfiguration -Path "$env:SystemDrive\Bootstrap\" -Force -Wait -Verbose -ErrorAction Stop;

} #end if localhost.mof

} #end CoreCLR bootstrap scriptblock

        $scriptBlock = {

## Lability DSC Bootstrap

$VerbosePreference = 'Continue';

$DebugPreference = 'Continue';

$transcriptPath = '{0}\BootStrap\Bootstrap-{1}.log' -f $env:SystemDrive, (Get-Date).ToString('yyyyMMdd-hhmmss');

Start-Transcript -Path $transcriptPath -Force;

certutil.exe -addstore -f "Root" "$env:SYSTEMDRIVE\BootStrap\LabRoot.cer";

## Import the .PFX certificate with a blank password

"" | certutil.exe -f -importpfx "$env:SYSTEMDRIVE\BootStrap\LabClient.pfx";

<#CustomBootStrapInjectionPoint#>

## Account for large configurations being "pushed" and increase the default from 500KB to 1024KB (1MB)

Set-Item -Path WSMan:\localhost\MaxEnvelopeSizekb -Value 1024 -Force -Verbose;

if (Test-Path -Path "$env:SystemDrive\BootStrap\localhost.meta.mof") {

    Set-DscLocalConfigurationManager -Path "$env:SystemDrive\BootStrap\" -Verbose;

}

$localhostMofPath = "$env:SystemDrive\BootStrap\localhost.mof";

if (Test-Path -Path $localhostMofPath) {

    if ($PSVersionTable.PSVersion.Major -eq 4) {

        ## Convert the .mof to v4 compatible - credit to Mike Robbins

        ## http://mikefrobbins.com/2014/10/30/powershell-desired-state-configuration-error-undefined-property-configurationname/

        $mof = Get-Content -Path $localhostMofPath;

        $mof -replace '^\sName=.*;$|^\sConfigurationName\s=.*;$' | Set-Content -Path $localhostMofPath -Encoding Unicode -Force;

    }

    while ($true) {

        ## Replay the configuration until the LCM bloody-well takes it (more of a WMF 4 thing)!

        try {

            if (Test-Path -Path "$env:SystemRoot\System32\Configuration\Pending.mof") {

                Start-DscConfiguration -UseExisting -Force -Wait -Verbose -ErrorAction Stop;

                break;

            }

            else {

                Start-DscConfiguration -Path "$env:SystemDrive\Bootstrap\" -Force -Wait -Verbose -ErrorAction Stop;

                break;

            }

        }

        catch {

            Write-Error -Message $_;

            ## SIGH. Try restarting WMI..

            if (-not ($interation % 10)) {

                ## SIGH. Try removing the configuration and restarting WMI..

                Remove-DscConfigurationDocument -Stage Current,Pending,Previous -Force;

                Restart-Service -Name Winmgmt -Force;

            }

            Start-Sleep -Seconds 5;

            $interation++;

        }

    } #end while

} #end if localhost.mof

Stop-Transcript;

} #end bootstrap scriptblock

        if ($CoreCLR) {

            $bootstrap = $coreCLRScriptBlock.ToString();

        }

        else {

            $bootstrap = $scriptBlock.ToString();

        }

        if ($PSBoundParameters.ContainsKey('DefaultShell')) {

            $shellScriptBlock = {

                Set-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\' -Name Shell -Value '{0}' -Force;

                <#CustomBootStrapInjectionPoint#>

            }

            $shellScriptBlockString = $shellScriptBlock.ToString() -f $DefaultShell;

            $bootstrap = $bootStrap -replace '<#CustomBootStrapInjectionPoint#>', $shellScriptBlockString;

        }

        return $bootstrap;

    } #end process

} #end function

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# SIG # End signature block