functions/Test-ISOImage.ps1
|
Function Test-ISOImage { [CmdletBinding()] [OutputType("ISOTest")] Param() $progParam = @{ Activity = $MyInvocation.MyCommand PercentComplete = 0 CurrentOperation = "" } Write-Verbose "Starting $($MyInvocation.MyCommand)" Try { $LabHost = Lability\Get-LabHostDefault -ErrorAction stop $ISOPath = $LabHost.IsoPath $progParam.Add("Status", "Validating ISO image files in $ISOPath") } Catch { Throw $_ } Write-Verbose "Testing ISO images under $ISOPath" $files = Get-ChildItem -Path $ISOPath -Filter *.iso if ($files.count -gt 0) { #initialize a counter $i = 0 foreach ($file in $files) { $i++ $progParam.PercentComplete = ($i / $files.count) * 100 $progParam.CurrentOperation = $file.name Write-Progress @progParam #construct the checksum file $ChkFile = Join-Path -Path $ISOPath -ChildPath "$($file.name).checksum" Write-Verbose "Processing $($file.name)" $HashData = Get-FileHash -Path $file.FullName -Algorithm MD5 if (Test-Path $ChkFile) { $chkSum = Get-Content -Path $ChkFile if ($chkSum -eq $HashData.hash) { $Valid = $True } } else { Write-Warning "Missing checksum file $ChkFile" $chkSum = "unknown" $Valid = $False } #write a custom object to the pipeline [PSCustomObject]@{ PSTypeName = "ISOTest" Path = $HashData.Path Valid = $Valid Size = (Get-Item -Path $HashData.path).length Hash = $HashData.Hash Checksum = $chkSum Algorithm = $HashData.Algorithm } } #foreach file } #if files else { Write-Warning "Failed to find any ISO files in $ISOPath." } Write-Verbose "Ending $($MyInvocation.MyCommand)" } |