Modules/StorageDsc.Common/StorageDsc.Common.psm1
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# Import the Networking Resource Helper Module Import-Module -Name (Join-Path -Path (Split-Path -Path $PSScriptRoot -Parent) ` -ChildPath (Join-Path -Path 'StorageDsc.ResourceHelper' ` -ChildPath 'StorageDsc.ResourceHelper.psm1')) # Import Localization Strings $localizedData = Get-LocalizedData ` -ResourceName 'StorageDsc.Common' ` -ResourcePath $PSScriptRoot <# .SYNOPSIS Validates a Drive Letter, removing or adding the trailing colon if required. .PARAMETER DriveLetter The Drive Letter string to validate. .PARAMETER Colon Will ensure the returned string will include or exclude a colon. #> function Assert-DriveLetterValid { [CmdletBinding()] [OutputType([String])] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [System.String] $DriveLetter, [Switch] $Colon ) $Matches = @([regex]::matches($DriveLetter, '^([A-Za-z]):?$', 'IgnoreCase')) if (-not $Matches) { # DriveLetter format is invalid New-InvalidArgumentException ` -Message $($LocalizedData.InvalidDriveLetterFormatError -f $DriveLetter) ` -ArgumentName 'DriveLetter' } # This is the drive letter without a colon $DriveLetter = $Matches.Groups[1].Value if ($Colon) { $DriveLetter = $DriveLetter + ':' } # if return $DriveLetter } # end function Assert-DriveLetterValid <# .SYNOPSIS Validates an Access Path, removing or adding the trailing slash if required. If the Access Path does not exist or is not a folder then an exception will be thrown. .PARAMETER AccessPath The Access Path string to validate. .PARAMETER Slash Will ensure the returned path will include or exclude a slash. #> function Assert-AccessPathValid { [CmdletBinding()] [OutputType([String])] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [System.String] $AccessPath, [Switch] $Slash ) if (-not (Test-Path -Path $AccessPath -PathType Container)) { # AccessPath is invalid New-InvalidArgumentException ` -Message $($LocalizedData.InvalidAccessPathError -f $AccessPath) ` -ArgumentName 'AccessPath' } # if # Remove or Add the trailing slash if($AccessPath.EndsWith('\')) { if (-not $Slash) { $AccessPath = $AccessPath.TrimEnd('\') } # if } else { if ($Slash) { $AccessPath = "$AccessPath\" } # if } # if return $AccessPath } # end function Assert-AccessPathValid <# .SYNOPSIS Retrieves a Disk object matching the disk Id and Id type provided. .PARAMETER DiskId Specifies the disk identifier for the disk to retrieve. .PARAMETER DiskIdType Specifies the identifier type the DiskId contains. Defaults to Number. #> function Get-DiskByIdentifier { [CmdletBinding()] [OutputType([Microsoft.Management.Infrastructure.CimInstance])] param ( [Parameter(Mandatory = $true)] [System.String] $DiskId, [Parameter()] [ValidateSet('Number','UniqueId','Guid')] [System.String] $DiskIdType = 'Number' ) if ($DiskIdType -eq 'Guid') { # The Disk Id requested uses a Guid so have to get all disks and filter $disk = Get-Disk ` -ErrorAction SilentlyContinue | Where-Object -Property Guid -EQ $DiskId } else { $diskIdParameter = @{ $DiskIdType = $DiskId } $disk = Get-Disk ` @diskIdParameter ` -ErrorAction SilentlyContinue } return $disk } # end function Get-DiskByIdentifier Export-ModuleMember -Function ` Assert-DriveLetterValid, ` Assert-AccessPathValid, ` Get-DiskByIdentifier |