Src/Public/Import-LabHostConfiguration.ps1
function Import-LabHostConfiguration { <# .SYNOPSIS Restores the lab host configuration from a backup. .LINK Export-LabHostConfiguration #> [CmdletBinding(SupportsShouldProcess, DefaultParameterSetName='Path')] [OutputType([System.Management.Automation.PSCustomObject])] param ( # Specifies the export path location. [Parameter(Mandatory, ParameterSetName = 'Path', ValueFromPipeline, ValueFromPipelineByPropertyName)] [Alias("PSPath")] [System.String] $Path, # Specifies a literal export location path. [Parameter(Mandatory, ParameterSetName = 'LiteralPath', ValueFromPipeline, ValueFromPipelineByPropertyName)] [System.String] $LiteralPath, ## Restores only the lab host default settings [Parameter(ValueFromPipelineByPropertyName)] [System.Management.Automation.SwitchParameter] $Host, ## Restores only the lab VM default settings [Parameter(ValueFromPipelineByPropertyName)] [System.Management.Automation.SwitchParameter] $VM, ## Restores only the lab custom media default settings [Parameter(ValueFromPipelineByPropertyName)] [System.Management.Automation.SwitchParameter] $Media ) process { if ($PSCmdlet.ParameterSetName -eq 'Path') { # Resolve any relative paths $Path = $PSCmdlet.SessionState.Path.GetUnresolvedProviderPathFromPSPath($Path); } else { $Path = $PSCmdlet.SessionState.Path.GetUnresolvedProviderPathFromPSPath($LiteralPath); } if (-not (Test-Path -Path $Path -PathType Leaf -ErrorAction SilentlyContinue)) { $errorMessage = $localized.InvalidPathError -f 'Import', $Path; $ex = New-Object -TypeName System.InvalidOperationException -ArgumentList $errorMessage; $errorCategory = [System.Management.Automation.ErrorCategory]::ResourceUnavailable; $errorRecord = New-Object System.Management.Automation.ErrorRecord $ex, 'FileNotFound', $errorCategory, $Path; $PSCmdlet.WriteError($errorRecord); return; } Write-Verbose -Message ($localized.ImportingConfiguration -f $labDefaults.ModuleName, $Path); $configurationDocument = Get-Content -Path $Path -Raw -ErrorAction Stop; try { $configuration = ConvertFrom-Json -InputObject $configurationDocument -ErrorAction Stop; } catch { $errorMessage = $localized.InvalidConfigurationError -f $Path; throw $errorMessage; } if ((-not $PSBoundParameters.ContainsKey('Host')) -and (-not $PSBoundParameters.ContainsKey('VM')) -and (-not $PSBoundParameters.ContainsKey('Media'))) { ## Nothing specified to load 'em all! $VM = $true; $Host = $true; $Media = $true; } Write-Verbose -Message ($localized.ImportingConfigurationSettings -f $configuration.GenerationDate, $configuration.GenerationHost); if ($Host) { $verboseMessage = Get-FormattedMessage -Message ($localized.RestoringConfigurationSettings -f 'Host'); $operationMessage = $localized.ShouldProcessOperation -f 'Import', 'Host'; if ($PSCmdlet.ShouldProcess($verboseMessage, $operationMessage, $localized.ShouldProcessActionConfirmation)) { [ref] $null = Reset-LabHostDefault -Confirm:$false; $hostDefaultObject = $configuration.HostDefaults; $hostDefaults = Convert-PSObjectToHashtable -InputObject $hostDefaultObject; Set-LabHostDefault @hostDefaults -Confirm:$false; Write-Verbose -Message ($localized.ConfigurationRestoreComplete -f 'Host'); } } #end if restore host defaults if ($Media) { ## Restore media before VM defaults as VM defaults may reference custom media! $verboseMessage = Get-FormattedMessage -Message ($localized.RestoringConfigurationSettings -f 'Media'); $operationMessage = $localized.ShouldProcessOperation -f 'Import', 'Media'; if ($PSCmdlet.ShouldProcess($verboseMessage, $operationMessage, $localized.ShouldProcessActionConfirmation)) { [ref] $null = Reset-LabMedia -Confirm:$false; foreach ($mediaObject in $configuration.CustomMedia) { $customMedia = Convert-PSObjectToHashtable -InputObject $mediaObject -IgnoreNullValues; Write-Output (Register-LabMedia @customMedia -Force); } Write-Verbose -Message ($localized.ConfigurationRestoreComplete -f 'Media'); } } #end if restore custom media if ($VM) { $verboseMessage = Get-FormattedMessage -Message ($localized.RestoringConfigurationSettings -f 'VM'); $operationMessage = $localized.ShouldProcessOperation -f 'Import', 'VM'; if ($PSCmdlet.ShouldProcess($verboseMessage, $operationMessage, $localized.ShouldProcessActionConfirmation)) { [ref] $null = Reset-LabVMDefault -Confirm:$false; $vmDefaultObject = $configuration.VMDefaults; $vmDefaults = Convert-PSObjectToHashtable -InputObject $vmDefaultObject; ## Boot order is exposed externally $vmDefaults.Remove('BootOrder'); Set-LabVMDefault @vmDefaults -Confirm:$false; Write-Verbose -Message ($localized.ConfigurationRestoreComplete -f 'VM'); } } #end if restore VM defaults } #end process } #end function # 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