Modules/StorageDsc.Common/StorageDsc.Common.psm1
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$modulePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) -ChildPath 'Modules' Import-Module -Name (Join-Path -Path $modulePath -ChildPath 'DscResource.Common') # Import Localization Strings $script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US' <# .SYNOPSIS Restarts a System Service .PARAMETER Name Name of the service to be restarted. #> function Restart-ServiceIfExists { [CmdletBinding()] param ( [Parameter()] [System.String] $Name ) Write-Verbose -Message ($script:localizedData.GetServiceInformation -f $Name) -Verbose $servicesService = Get-Service @PSBoundParameters -ErrorAction Continue if ($servicesService) { Write-Verbose -Message ($script:localizedData.RestartService -f $Name) -Verbose $servicesService | Restart-Service -Force -ErrorAction Stop -Verbose } else { Write-Verbose -Message ($script:localizedData.UnknownService -f $Name) -Verbose } } <# .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([System.String])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $DriveLetter, [Parameter()] [Switch] $Colon ) $matches = @([regex]::matches($DriveLetter, '^([A-Za-z]):?$', 'IgnoreCase')) if (-not $matches) { # DriveLetter format is invalid New-InvalidArgumentException ` -Message $($script: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([System.String])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $AccessPath, [Parameter()] [Switch] $Slash ) if (-not (Test-Path -Path $AccessPath -PathType Container)) { # AccessPath is invalid New-InvalidArgumentException ` -Message $($script: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','Location')] [System.String] $DiskIdType = 'Number' ) switch -regex ($DiskIdType) { 'Number|UniqueId' # for filters supported by the Get-Disk CmdLet { $diskIdParameter = @{ $DiskIdType = $DiskId } $disk = Get-Disk ` @diskIdParameter ` -ErrorAction SilentlyContinue break } default # for filters requiring Where-Object { $disk = Get-Disk -ErrorAction SilentlyContinue | Where-Object -Property $DiskIdType -EQ $DiskId } } return $disk } # end function Get-DiskByIdentifier <# .SYNOPSIS Tests if any of the access paths from a partition are assigned to a local path. .PARAMETER AccessPath Specifies the access paths that are assigned to the partition. #> function Test-AccessPathAssignedToLocal { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String[]] $AccessPath ) $accessPathAssigned = $false foreach ($path in $AccessPath) { if ($path -match '[a-zA-Z]:\\') { $accessPathAssigned = $true break } } return $accessPathAssigned } # end function Test-AccessPathLocal Export-ModuleMember -Function @( 'Restart-ServiceIfExists', 'Assert-DriveLetterValid', 'Assert-AccessPathValid', 'Get-DiskByIdentifier', 'Test-AccessPathAssignedToLocal' ) |