Lability

0.20.0

Src/Public/Reset-Lab.ps1

                                function Reset-Lab {

<#

     .SYNOPSIS

        Reverts all VMs in a lab back to their initial configuration.

    .DESCRIPTION

        The Reset-Lab cmdlet will reset all the nodes defined in a PowerShell DSC configuration document, back to their

        initial state. If virtual machines are powered on, they will automatically be powered off when restoring the

        snapshot.

        When virtual machines are created - before they are powered on - a baseline snapshot is created. This snapshot

        is taken before the Sysprep process has been run and/or any PowerShell DSC configuration has been applied.

        WARNING: You will lose all changes to all virtual machines that have not been committed via another snapshot.

    .PARAMETER ConfigurationData

        Specifies a PowerShell DSC configuration data hashtable or a path to an existing PowerShell DSC .psd1

        configuration document.

    .LINK

        Checkpoint-Lab

    .NOTES

        This cmdlet uses the baseline snapshot snapshot created by the Start-LabConfiguration cmdlet. If the baseline

        was not created or the baseline snapshot does not exist, the lab VMs can be recreated with the

        Start-LabConfiguration -Force.

#>

    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'High')]

    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSShouldProcess','')]

    param (

        ## Lab DSC configuration data

        [Parameter(Mandatory, ValueFromPipeline)]

        [System.Collections.Hashtable]

        [Microsoft.PowerShell.DesiredStateConfiguration.ArgumentToConfigurationDataTransformationAttribute()]

        $ConfigurationData

    )

    process {

        ## Revert to Base/Lab snapshots...

        $snapshotName = $localized.BaselineSnapshotName -f $labDefaults.ModuleName;

        Restore-Lab -ConfigurationData $ConfigurationData -SnapshotName $snapshotName -Force;

    } #end process

} #end function Reset-Lab

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