private/steps/4-install/step-install-downloadwindowsimage.ps1
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function step-install-downloadwindowsimage { [CmdletBinding()] param ( $OperatingSystemObject = $global:OSDCloudWorkflowInvoke.OperatingSystemObject ) #================================================= # Start the step $Message = "[$(Get-Date -format G)] [$($MyInvocation.MyCommand.Name)] Start" Write-Debug -Message $Message; Write-Verbose -Message $Message # Get the configuration of the step $Step = $global:OSDCloudWorkflowCurrentStep #================================================= # Do we have a URL to download the Windows Image from? if (-not ($OperatingSystemObject.Url)) { Write-Warning "[$(Get-Date -format G)] OSDCloud failed to download the WindowsImage from the Internet" Write-Warning 'Press Ctrl+C to cancel OSDCloud' Start-Sleep -Seconds 86400 exit } #================================================= # Create OS Directory $ItemParams = @{ ErrorAction = 'SilentlyContinue' Force = $true ItemType = 'Directory' Path = 'C:\OSDCloud\OS' } if (!(Test-Path $ItemParams.Path -ErrorAction SilentlyContinue)) { New-Item @ItemParams | Out-Null } #================================================= # Check if the file already exists on another drive $FileName = Split-Path $OperatingSystemObject.Url -Leaf $OfflineOSFile = Find-OSDCloudFile -Name $FileName -Path '\OSDCloud\OS\' | Sort-Object FullName | Where-Object { $_.Length -gt 3GB } if ($OfflineOSFile) { Write-Host -ForegroundColor DarkGray "[$(Get-Date -format G)] Offline OS Image Found: $($OfflineOSFile.FullName)" $FileInfo = $OfflineOSFile } #================================================== # Is there a USB drive available? $USBDrive = Get-USBVolume | Where-Object { ($_.FileSystemLabel -match "OSDCloud|USB-DATA") } | Where-Object { $_.SizeGB -ge 16 } | Where-Object { $_.SizeRemainingGB -ge 10 } | Select-Object -First 1 if ($USBDrive) { $DownloadPath = "$($USBDrive.DriveLetter):\OSDCloud\OS\$($OperatingSystemObject.OperatingSystem) $($OperatingSystemObject.ReleaseID)" $FileName = Split-Path $OperatingSystemObject.Url -Leaf # Create the download path on the USB drive if (-not (Test-Path $DownloadPath -ErrorAction SilentlyContinue)) { New-Item -ItemType Directory -Path $DownloadPath -Force -ErrorAction SilentlyContinue | Out-Null } # Check if we already have an Offline file available if ($FileInfo) { # Check if the file already exists on the USB drive if (-not (Test-Path -Path "$($DownloadPath)\$($FileName)" -ErrorAction SilentlyContinue)) { Write-Host -ForegroundColor DarkGray "[$(Get-Date -format G)] Copying Offline OS to USB Drive: $($DownloadPath)" # Copy the file to the USB drive $null = Copy-Item -Path $FileInfo.FullName -Destination "$($DownloadPath)" -Force } $OfflineUSBFile = Get-Item -Path "$($DownloadPath)\$($FileName)" } else { # Download the file $OfflineUSBFile = Save-WebFile -SourceUrl $OperatingSystemObject.Url -DestinationDirectory "$DownloadPath" -DestinationName $FileName } if ($OfflineUSBFile) { Write-Host -ForegroundColor DarkGray "[$(Get-Date -format G)] Copy Offline OS to C:\OSDCloud\OS\$($OfflineUSBFile.Name)" $null = Copy-Item -Path $OfflineUSBFile.FullName -Destination 'C:\OSDCloud\OS' -Force $FileInfo = Get-Item "C:\OSDCloud\OS\$($OfflineUSBFile.Name)" } } #================================================= # Download the file from the Internet if (-not ($FileInfo)) { # $SaveWebFile is a FileInfo Object, not a path $SaveWebFile = Save-WebFile -SourceUrl $OperatingSystemObject.Url -DestinationDirectory 'C:\OSDCloud\OS' -ErrorAction Stop $FileInfo = $SaveWebFile } #================================================= # Do we have FileInfo for the downloaded file? if (-not ($FileInfo)) { Write-Warning "[$(Get-Date -format G)] Unable to download the WindowsImage from the Internet." Write-Warning 'Press Ctrl+C to cancel OSDCloud' Start-Sleep -Seconds 86400 exit } #================================================= # Store this as a FileInfo Object $global:OSDCloudWorkflowInvoke.FileInfoWindowsImage = $FileInfo $global:OSDCloudWorkflowInvoke.WindowsImagePath = $global:OSDCloudWorkflowInvoke.FileInfoWindowsImage.FullName Write-Host -ForegroundColor DarkGray "[$(Get-Date -format G)] WindowsImagePath: $($global:OSDCloudWorkflowInvoke.WindowsImagePath)" #================================================= # Check the File Hash if ($OperatingSystemObject.Sha1) { $FileHash = (Get-FileHash -Path $FileInfo.FullName -Algorithm SHA1).Hash Write-Host -ForegroundColor DarkGray "[$(Get-Date -format G)] Microsoft Verified ESD SHA1: $($OperatingSystemObject.Sha1)" Write-Host -ForegroundColor DarkGray "[$(Get-Date -format G)] Downloaded ESD SHA1: $FileHash" if ($OperatingSystemObject.Sha1 -ne $FileHash) { Write-Warning "[$(Get-Date -format G)] Unable to deploy this Operating System." Write-Warning "[$(Get-Date -format G)] Downloaded ESD SHA1 does not match the verified Microsoft ESD SHA1." Write-Warning 'Press Ctrl+C to cancel OSDCloud' Start-Sleep -Seconds 86400 } else { Write-Host -ForegroundColor Green "[$(Get-Date -format G)] Downloaded ESD SHA1 matches the verified Microsoft ESD SHA1. OK." } } #================================================= # End the function $Message = "[$(Get-Date -format G)] [$($MyInvocation.MyCommand.Name)] End" Write-Verbose -Message $Message; Write-Debug -Message $Message #================================================= } |