DSCResources/MSFT_xVMDvdDrive/MSFT_xVMDvdDrive.psm1
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#region localizeddata if (Test-Path "${PSScriptRoot}\${PSUICulture}") { Import-LocalizedData ` -BindingVariable LocalizedData ` -Filename MSFT_xVMDvdDrive.strings.psd1 ` -BaseDirectory "${PSScriptRoot}\${PSUICulture}" } else { #fallback to en-US Import-LocalizedData ` -BindingVariable LocalizedData ` -Filename MSFT_xVMDvdDrive.strings.psd1 ` -BaseDirectory "${PSScriptRoot}\en-US" } #endregion # Import the common HyperV functions Import-Module -Name ( Join-Path ` -Path (Split-Path -Path $PSScriptRoot -Parent) ` -ChildPath '\HyperVCommon\HyperVCommon.psm1' ) <# .SYNOPSIS Returns the current status of the VM DVD Drive. .PARAMETER VMName Specifies the name of the virtual machine to which the DVD drive is to be added. .PARAMETER ControllerNumber Specifies the number of the controller to which the DVD drive is to be added. .PARAMETER ControllerLocation Specifies the number of the location on the controller at which the DVD drive is to be added. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $VMName, [parameter(Mandatory = $true)] [System.Uint32] $ControllerNumber, [parameter(Mandatory = $true)] [System.Uint32] $ControllerLocation ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.GettingVMDVDDriveMessage ` -f $VMName,$ControllerNumber,$ControllerLocation) ) -join '' ) Test-ParameterValid @PSBoundParameters $dvdDrive = Get-VMDvdDrive @PSBoundParameters if ($dvdDrive) { $returnValue = @{ VMName = $VMName ControllerLocation = $ControllerLocation ControllerNumber = $ControllerNumber Path = $dvdDrive.Path Ensure = 'Present' } } else { $returnValue = @{ VMName = $VMName ControllerLocation = $ControllerLocation ControllerNumber = $ControllerNumber Path = '' Ensure = 'Absent' } } # if $returnValue } # Get-TargetResource <# .SYNOPSIS Adds, removes or changes the mounted ISO on a VM DVD Drive. .PARAMETER VMName Specifies the name of the virtual machine to which the DVD drive is to be added. .PARAMETER ControllerNumber Specifies the number of the controller to which the DVD drive is to be added. .PARAMETER ControllerLocation Specifies the number of the location on the controller at which the DVD drive is to be added. .PARAMETER Path Specifies the full path to the virtual hard disk file or physical hard disk volume for the added DVD drive. .PARAMETER Ensure Specifies if the DVD Drive should exist or not. #> function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $VMName, [parameter(Mandatory = $true)] [System.Uint32] $ControllerLocation, [parameter(Mandatory = $true)] [System.Uint32] $ControllerNumber, [System.String] $Path, [ValidateSet("Present","Absent")] [System.String] $Ensure = 'Present' ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.SettingVMDVDDriveMessage ` -f $VMName,$ControllerNumber,$ControllerLocation) ) -join '' ) $null = $PSBoundParameters.Remove('Path') $null = $PSBoundParameters.Remove('Ensure') # Get the current status of the VM DVD Drive $dvdDrive = Get-TargetResource @PSBoundParameters if ($Ensure -eq 'Present') { # The DVD Drive should exist if ($dvdDrive.Ensure -eq 'Present') { # The DVD Drive already exists if (-not [String]::IsNullOrWhiteSpace($Path) ` -and ($Path -ne $dvdDrive.Path)) { # The current path assigned to the DVD Drive needs to be changed. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveChangePathMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation,$Path ` ) -join '' ) Set-VMDvdDrive @PSBoundParameters -Path $Path } } else { # The DVD Drive does not exist but should. Change required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveAddMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation,$Path ` ) -join '' ) if (-not [String]::IsNullOrWhiteSpace($Path)) { $PSBoundParameters.Add('Path',$Path) } # if Add-VMDvdDrive @PSBoundParameters } # if } else { # The DVD Drive should not exist if ($dvdDrive.Ensure -eq 'Present') { # The DVD Drive does exist, but should not. Change required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveRemoveMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation ` ) -join '' ) Remove-VMDvdDrive @PSBoundParameters } # if } # if } # Set-TargetResource <# .SYNOPSIS Tests the state of a VM DVD Drive and the mounted ISO. .PARAMETER VMName Specifies the name of the virtual machine to which the DVD drive is to be added. .PARAMETER ControllerNumber Specifies the number of the controller to which the DVD drive is to be added. .PARAMETER ControllerLocation Specifies the number of the location on the controller at which the DVD drive is to be added. .PARAMETER Path Specifies the full path to the virtual hard disk file or physical hard disk volume for the added DVD drive. .PARAMETER Ensure Specifies if the DVD Drive should exist or not. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $VMName, [parameter(Mandatory = $true)] [System.Uint32] $ControllerLocation, [parameter(Mandatory = $true)] [System.Uint32] $ControllerNumber, [System.String] $Path, [ValidateSet("Present","Absent")] [System.String] $Ensure = 'Present' ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.TestingVMDVDDriveMessage ` -f $VMName,$ControllerNumber,$ControllerLocation) ) -join '' ) $null = $PSBoundParameters.Remove('Path') $null = $PSBoundParameters.Remove('Ensure') # Get the current status of the VM DVD Drive $dvdDrive = Get-TargetResource @PSBoundParameters # Flag to signal whether settings are correct [Boolean] $desiredConfigurationMatch = $true if ($Ensure -eq 'Present') { # The DVD Drive should exist if ($dvdDrive.Ensure -eq 'Present') { # The DVD Drive already exists if (-not [String]::IsNullOrWhiteSpace($Path) ` -and ($Path -ne $dvdDrive.Path)) { # The current path assigned to the DVD drive is wrong. Change required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveExistsAndShouldPathMismatchMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation,$Path,$dvdDrive.Path ` ) -join '' ) $desiredConfigurationMatch = $false } else { # The DVD drive exists and should. Change not required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveExistsAndShouldMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation,$Path ` ) -join '' ) } # if } else { # The DVD Drive does not exist but should. Change required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveDoesNotExistButShouldMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation ` ) -join '' ) $desiredConfigurationMatch = $false } # if } else { # The DVD Drive should not exist if ($dvdDrive.Ensure -eq 'Present') { # The DVD Drive does exist, but should not. Change required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveDoesExistButShouldNotMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation ` ) -join '' ) $desiredConfigurationMatch = $false } else { # The DVD Drive does not exist and should not. Change not required. Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.VMDVDDriveDoesNotExistAndShouldNotMessage) ` -f $VMName,$ControllerNumber,$ControllerLocation ` ) -join '' ) } # if } # if return $desiredConfigurationMatch } # Test-TargetResource <# .SYNOPSIS Validates that the parameters passed are valid. If the parameter combination is invalid then an exception will be thrown. The following items are validated: - The VM exists. - A disk mount point at the controller number/location exists. - A hard disk is not already mounted at the controller number/location. - The Path if required is valid. .PARAMETER VMName Specifies the name of the virtual machine to which the DVD drive is to be added. .PARAMETER ControllerNumber Specifies the number of the controller to which the DVD drive is to be added. .PARAMETER ControllerLocation Specifies the number of the location on the controller at which the DVD drive is to be added. .PARAMETER Path Specifies the full path to the virtual hard disk file or physical hard disk volume for the added DVD drive. .PARAMETER Ensure Specifies if the DVD Drive should exist or not. .OUTPUTS Returns true if the parameters are valid, but will throw a specific error if not. #> function Test-ParameterValid { [CmdletBinding()] [OutputType([Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $VMName, [parameter(Mandatory = $true)] [System.Uint32] $ControllerLocation, [parameter(Mandatory = $true)] [System.Uint32] $ControllerNumber, [System.String] $Path, [ValidateSet("Present","Absent")] [System.String] $Ensure = 'Present' ) # Check if Hyper-V module is present for Hyper-V cmdlets if(-not (Get-Module -ListAvailable -Name Hyper-V)) { New-InvalidArgumentError ` -ErrorId 'RoleMissingError' ` -ErrorMessage ($LocalizedData.RoleMissingError -f ` 'Hyper-V') } # if # Does the VM exist? $null = Get-VM -Name $VMName # Does the controller exist? if (-not (Get-VMScsiController -VMName $VMName -ControllerNumber $ControllerNumber) ` -and -not (Get-VMIdeController -VMName $VMName -ControllerNumber $ControllerNumber)) { # No it does not New-InvalidArgumentError ` -ErrorId 'VMControllerDoesNotExistError' ` -ErrorMessage ($LocalizedData.VMControllerDoesNotExistError -f ` $VMName,$ControllerNumber) } # if # Is a Hard Drive assigned to this controller location/number? if (Get-VMHardDiskDrive ` -VMName $VMName ` -ControllerLocation $ControllerLocation ` -ControllerNumber $ControllerNumber) { # Yes, so don't even try and touch this New-InvalidArgumentError ` -ErrorId 'ControllerConflictError' ` -ErrorMessage ($LocalizedData.ControllerConflictError -f ` $VMName,$ControllerNumber,$ControllerLocation) } # if if ($Ensure -eq 'Present') { # If the path is not blank does it exist? if (-not ([String]::IsNullOrWhiteSpace($Path))) { if (-not (Test-Path -Path $Path)) { # Path does not exist New-InvalidArgumentError ` -ErrorId 'PathDoesNotExistError' ` -ErrorMessage ($LocalizedData.PathDoesNotExistError -f ` $Path) } # if } # if } # if return $true } # Test-ParameterValid Export-ModuleMember -Function *-TargetResource |