DSCResources/xHyper-V/DSCResources/MSFT_xVMHardDiskDrive/MSFT_xVMHardDiskDrive.psm1
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#region localizeddata if (Test-Path "${PSScriptRoot}\${PSUICulture}") { Import-LocalizedData ` -BindingVariable LocalizedData ` -Filename MSFT_xVMHardDiskDrive.strings.psd1 ` -BaseDirectory "${PSScriptRoot}\${PSUICulture}" } else { # fallback to en-US Import-LocalizedData ` -BindingVariable LocalizedData ` -Filename MSFT_xVMHardDiskDrive.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 hard disk drive. .PARAMETER VMName Specifies the name of the virtual machine whose hard disk drive status is to be fetched. .PARAMETER Path Specifies the full path of the VHD file linked to the hard disk drive. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $VMName, [Parameter(Mandatory = $true)] [System.String] $Path ) Assert-Module -Name 'Hyper-V' $hardDiskDrive = Get-VMHardDiskDrive -VMName $VMName -ErrorAction Stop | Where-Object -FilterScript { $_.Path -eq $Path } if ($null -eq $hardDiskDrive) { Write-Verbose -Message ($localizedData.DiskNotFound -f $Path, $VMName) $ensure = 'Absent' } else { Write-Verbose -Message ($localizedData.DiskFound -f $Path, $VMName) $ensure = 'Present' } return @{ VMName = $VMName Path = $hardDiskDrive.Path ControllerType = $hardDiskDrive.ControllerType ControllerNumber = $hardDiskDrive.ControllerNumber ControllerLocation = $hardDiskDrive.ControllerLocation Ensure = $ensure } } <# .SYNOPSIS Tests the state of a VM hard disk drive. .PARAMETER VMName Specifies the name of the virtual machine whose hard disk drive is to be tested. .PARAMETER Path Specifies the full path of the VHD file to be tested. .PARAMETER ControllerType Specifies the type of controller to which the the hard disk drive is to be set (IDE/SCSI). Default to SCSI. .PARAMETER ControllerNumber Specifies the number of the controller to which the hard disk drive is to be set. If not specified, the controller number defaults to 0. .PARAMETER ControllerLocation Specifies the number of the location on the controller at which the hard disk drive is to be set. If not specified, the controller location defaults to 0. .PARAMETER Ensure Specifies if the hard disk drive should exist or not. Defaults to Present. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $VMName, [Parameter(Mandatory = $true)] [System.String] $Path, [Parameter()] [ValidateSet('IDE', 'SCSI')] [System.String] $ControllerType = 'SCSI', [Parameter()] [ValidateSet(0, 1, 2, 3)] [System.UInt32] $ControllerNumber, [Parameter()] [ValidateRange(0, 63)] [System.UInt32] $ControllerLocation, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present' ) $resource = Get-TargetResource -VMName $VMName -Path $Path # Throw exception when the ControllerNumber or ControllerLocation are out of bounds for IDE if ($ControllerType -eq 'IDE' -and ($ControllerNumber -gt 1 -or $ControllerLocation -gt 1)) { $errorMessage = $localizedData.IdeLocationError -f $ControllerNumber, $ControllerLocation New-InvalidOperationError -ErrorId 'InvalidLocation' -ErrorMessage $errorMessage } $isCompliant = $true foreach ($key in $PSBoundParameters.Keys) { # Only check passed parameter values if ($resource.ContainsKey($key)) { Write-Verbose -Message ($localizedData.ComparingParameter -f $key, $PSBoundParameters[$key], $resource[$key]) $isCompliant = $isCompliant -and ($PSBoundParameters[$key] -eq $resource[$key]) } } return $isCompliant } <# .SYNOPSIS Tests the state of a VM hard disk drive. .PARAMETER VMName Specifies the name of the virtual machine whose hard disk drive is to be tested. .PARAMETER Path Specifies the full path of the VHD file to be tested. .PARAMETER ControllerType Specifies the type of controller to which the the hard disk drive is to be set (IDE/SCSI). Default to SCSI. .PARAMETER ControllerNumber Specifies the number of the controller to which the hard disk drive is to be set. If not specified, the controller number defaults to 0. .PARAMETER ControllerLocation Specifies the number of the location on the controller at which the hard disk drive is to be set. If not specified, the controller location defaults to 0. .PARAMETER Ensure Specifies if the hard disk drive should exist or not. Defaults to Present. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $VMName, [Parameter(Mandatory = $true)] [System.String] $Path, [Parameter()] [ValidateSet('IDE', 'SCSI')] [System.String] $ControllerType = 'SCSI', [Parameter()] [ValidateSet(0, 1, 2, 3)] [System.UInt32] $ControllerNumber, [Parameter()] [ValidateRange(0, 63)] [System.UInt32] $ControllerLocation, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present' ) Assert-Module -Name 'Hyper-V' $hardDiskDrive = Get-VMHardDiskDrive -VMName $VMName | Where-Object -FilterScript { $_.Path -eq $Path } if ($Ensure -eq 'Present') { $null = $PSBoundParameters.Remove('Ensure') Write-Verbose -Message ($localizedData.CheckingDiskIsAttached) if ($hardDiskDrive) { Write-Verbose -Message ($localizedData.DiskFound -f $Path, $VMName) $null = $PSBoundParameters.Remove('VMName') $null = $PSBoundParameters.Remove('Path') # As the operation is a move, we must use ToController instead of Controller if ($PSBoundParameters.ContainsKey('ControllerType')) { $null = $PSBoundParameters.Remove('ControllerType') $null = $PSBoundParameters.Add('ToControllerType', $ControllerType) } if ($PSBoundParameters.ContainsKey('ControllerNumber')) { $null = $PSBoundParameters.Remove('ControllerNumber') $null = $PSBoundParameters.Add('ToControllerNumber', $ControllerNumber) } if ($PSBoundParameters.ContainsKey('ControllerLocation')) { $null = $PSBoundParameters.Remove('ControllerLocation') $null = $PSBoundParameters.Add('ToControllerLocation', $ControllerLocation) } $null = $hardDiskDrive | Set-VMHardDiskDrive @PSBoundParameters } else { Write-Verbose -Message ($localizedData.CheckingExistingDiskLocation) $getVMHardDiskDriveParams = @{ VMName = $VMName ControllerType = $ControllerType ControllerNumber = $ControllerNumber ControllerLocation = $ControllerLocation } $existingHardDiskDrive = Get-VMHardDiskDrive @getVMHardDiskDriveParams if ($null -ne $existingHardDiskDrive) { $errorMessage = $localizedData.DiskPresentError -f $ControllerNumber, ` $ControllerLocation New-InvalidOperationError -ErrorId 'ControllerNotEmpty' -ErrorMessage $errorMessage } Write-Verbose -Message ($localizedData.AddingDisk -f $Path, $VMName) $null = Add-VMHardDiskDrive @PSBoundParameters } } else { # We must ensure that the disk is absent if ($hardDiskDrive) { Write-Verbose -Message ($localizedData.RemovingDisk -f $Path, $VMName) $null = $hardDiskDrive | Remove-VMHardDiskDrive } else { Write-Warning -Message ($localizedData.DiskNotFound -f $Path, $VMName) } } } Export-ModuleMember -Function *-TargetResource |