Registers a VHD disk image with Lability

Update-LabilityRegistration.ps1

param (
    [parameter(Mandatory = $true, HelpMessage = "Name of the Lablity enviroment definition")]
    $mediaid ,
    [parameter(Mandatory = $true, HelpMessage = "UNC path the VHDs are stored on")]
    $downloadPath

)

$metadataFiles = Get-ChildItem -Path $downloadPath -filter *.metadata
foreach ($file in $metadataFiles) {
    $data = get-content $downloadPath\$file |  ConvertFrom-Json
    if ($data.mediaid -eq $mediaid) {
        $hash = $data.checksum
        $vhdname = $file.name.replace(".metadata", ".vhd")
        break
    }
}

if ($hash -eq $null) {
    Write-Error "Cannot find any metadata file on path [$downloadpath] with the correct mediaId [$mediaID]"
    return
}

write-host "The checksum is [$hash] for the mediaID [$mediaid]"

if(!(Get-module Lability )) {
  Import-Module Lability
}

write-host "Unregister media $mediaid"
$buildmedia=get-labmedia -id $mediaid

write-host "Update details for media $mediaid"
$correctFormatFolderPath = "$downloadPath\$vhdname".Replace('\','/')
$buildmedia.Uri="file:$correctFormatFolderPath"
$buildmedia.Checksum=$hash
$buildmedia.Filename=$vhdname

write-host "Re-register media $mediaid"
register-labmedia -Checksum $buildmedia.Checksum -id $buildmedia.Id -Filename $buildmedia.Filename -Description $buildmedia.Description -Architecture $buildmedia.Architecture -MediaType $buildmedia.MediaType -OperatingSystem $buildmedia.OperatingSystem -Uri $buildmedia.uri -force