Private/WindowsUpdate/Invoke-WindowsUpdate.ps1
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function Invoke-WindowsUpdate { #Requires -Version 3.0 [CmdletBinding()] Param ( [Parameter(Mandatory)] [string]$ComputerName, [System.TimeSpan]$InstallUpdateThreshold = $ModuleWideInstallUpdateThreshold, [int]$Timeout = $ModuleWideInstallUpdateTimeout, [string]$TaskName = $ModuleWideInstallUpdateTaskName, [string]$TaskDescription = $ModuleWideInstallUpdateTaskDescription, [scriptblock]$Filter, [string]$DefaultFilterString = $ModuleWideInstallUpdateDefaultFilterString, [string]$Criteria = $ModuleWideUpdateSearchCriteria ) $ErrorActionPreference = 'Stop' Write-Debug -Message ('ENTER {0}' -f $MyInvocation.MyCommand.Name) try { Write-Debug -Message ('ENTER TRY {0}' -f $MyInvocation.MyCommand.Name) Write-Debug -Message ('$ComputerName = ''{0}''' -f $ComputerName) Write-Debug -Message ('$InstallUpdateThreshold: ''{0}''' -f [string]$InstallUpdateThreshold) Write-Debug -Message ('$Timeout = {0}' -f $Timeout) Write-Debug -Message ('$TaskName = ''{0}''' -f $TaskName) Write-Debug -Message ('$TaskDescription = ''{0}''' -f $TaskDescription) Write-Debug -Message ('$Filter = ''{0}''' -f $Filter) Write-Debug -Message ('$DefaultFilterString = ''{0}''' -f $DefaultFilterString) Write-Debug -Message ('$Criteria = ''{0}''' -f $Criteria) if (-not $Filter) { Write-Debug -Message ('$ComputerMaintenanceConfiguration = Get-ComputerMaintenanceConfiguration -ComputerName {0}' -f $ComputerName) $ComputerMaintenanceConfiguration = Get-ComputerMaintenanceConfiguration -ComputerName $ComputerName Write-Debug -Message ('$ComputerMaintenanceConfiguration: {0}' -f $ComputerMaintenanceConfiguration) Write-Debug -Message '$FilterString = $ComputerMaintenanceConfiguration.UpdateInstallFilter' $FilterString = $ComputerMaintenanceConfiguration.UpdateInstallFilter Write-Debug -Message ('$FilterString = ''{0}''' -f $FilterString) Write-Debug -Message 'if (-not $FilterString)' if (-not $FilterString) { Write-Debug -Message '$FilterString = $DefaultFilterString' $FilterString = $DefaultFilterString Write-Debug -Message ('$FilterString = ''{0}''' -f $FilterString) } Write-Debug -Message ('$Filter = [scriptblock]::Create(''{0}'')' -f $FilterString) $Filter = [scriptblock]::Create($FilterString) Write-Debug -Message ('$Filter: ''{0}''' -f $Filter) } [ScriptBlock]$UpdateScriptBlock = { $Searcher = New-Object -ComObject Microsoft.Update.Searcher $SearchResult = $Searcher.Search($Criteria).Updates $DesiredUpdates = New-Object -ComObject Microsoft.Update.UpdateColl foreach ($Item in $SearchResult) { $Item = $Item | Where-Object -FilterScript $Filter if ($Item) { $null = $Item.AcceptEula() $null = $DesiredUpdates.Add($Item) } } if ($DesiredUpdates.Count -gt 0) { $Session = New-Object -ComObject Microsoft.Update.Session $Downloader = $Session.CreateUpdateDownloader() $Downloader.Updates = $DesiredUpdates $null = $Downloader.Download() $Installer = New-Object -ComObject Microsoft.Update.Installer $Installer.Updates = $DesiredUpdates $null = $Installer.Install() } } Write-Debug -Message ('$UpdateScriptBlock: {0}' -f $UpdateScriptBlock) Write-Debug -Message '$FilterString = $Filter.ToString()' $FilterString = $Filter.ToString() Write-Debug -Message ('$FilterString = ''{0}''' -f $FilterString) Write-Debug -Message ('$FilterScriptBlockString = ''$Filter = {{{{{{0}}}}}}'' -f ''{0}''' -f $FilterString) $FilterScriptBlockString = '$Filter = {{{0}}}' -f $FilterString Write-Debug -Message ('$FilterScriptBlockString = ''{0}''' -f $FilterScriptBlockString) Write-Debug -Message '$UpdateScriptBlockString = $UpdateScriptBlock.ToString()' $UpdateScriptBlockString = $UpdateScriptBlock.ToString() Write-Debug -Message ('$UpdateScriptBlockString = ''{0}''' -f $UpdateScriptBlockString) Write-Debug -Message ('$SearchScriptBlockString = ''$Criteria = ''''{{0}}'''''' -f ''{0}''' -f $Criteria) $SearchScriptBlockString = '$Criteria = ''{0}''' -f $Criteria Write-Debug -Message ('$SearchScriptBlockString = ''{0}''' -f $SearchScriptBlockString) Write-Debug -Message ('$JoinedScriptBlockString = ''{{0}};{{1}};{{2}}'' -f ''{0}'', ''{1}'', ''{2}''' -f $SearchScriptBlockString, $FilterScriptBlockString, $UpdateScriptBlockString) $JoinedScriptBlockString = '{0};{1};{2}' -f $SearchScriptBlockString, $FilterScriptBlockString, $UpdateScriptBlockString Write-Debug -Message ('$JoinedScriptBlockString = ''{0}''' -f $JoinedScriptBlockString) Write-Debug -Message ('$ConvertedScriptBlock = [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes(''{0}''))' -f $JoinedScriptBlockString) $ConvertedScriptBlock = [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($JoinedScriptBlockString)) Write-Debug -Message ('$ConvertedScriptBlock: ''{0}''' -f $ConvertedScriptBlock) Write-Debug -Message '$Scheduler = New-Object -ComObject ''Schedule.Service''' $Scheduler = New-Object -ComObject 'Schedule.Service' Write-Debug -Message '$Task = $Scheduler.NewTask(0)' $Task = $Scheduler.NewTask(0) Write-Debug -Message '$RegistrationInfo = $Task.RegistrationInfo' $RegistrationInfo = $Task.RegistrationInfo Write-Debug -Message ('$RegistrationInfo.Description = ''{0}''' -f $TaskDescription) $RegistrationInfo.Description = $TaskDescription Write-Debug -Message '$RegistrationInfo.Author = ''SYSTEM''' $RegistrationInfo.Author = 'SYSTEM' Write-Debug -Message '$Settings = $Task.Settings' $Settings = $Task.Settings Write-Debug -Message '$Settings.Enabled = $true' $Settings.Enabled = $true Write-Debug -Message '$Settings.StartWhenAvailable = $true' $Settings.StartWhenAvailable = $true Write-Debug -Message '$Settings.Hidden = $false' $Settings.Hidden = $false Write-Debug -Message '$Action = $Task.Actions.Create(0)' $Action = $Task.Actions.Create(0) Write-Debug -Message '$Action.Path = ''powershell''' $Action.Path = 'powershell' Write-Debug -Message ('$Action.Arguments = ''-NoLogo -NoProfile -NonInteractive -EncodedCommand {{0}}'' -f {0}' -f $ConvertedScriptBlock) $Action.Arguments = '-NoLogo -NoProfile -NonInteractive -EncodedCommand {0}' -f $ConvertedScriptBlock Write-Debug -Message '$Task.Principal.RunLevel = 1' $Task.Principal.RunLevel = 1 Write-Debug -Message ('$Task.XmlText: {0}' -f [string]$Task.XmlText) Write-Debug -Message ('$Scheduler.Connect({0})' -f $ComputerName) $Scheduler.Connect($ComputerName) Write-Debug -Message '$RootFolder = $Scheduler.GetFolder(''\'')' $RootFolder = $Scheduler.GetFolder('\') Write-Debug -Message ('$RunningTask = $Scheduler.GetRunningTasks(0) | Where-Object {{$_.Name -eq {0}}}' -f $TaskName) $RunningTask = $Scheduler.GetRunningTasks(0) | Where-Object {$_.Name -eq $TaskName} Write-Debug -Message ('$RunningTask: {0}' -f [string]$RunningTask.Name) Write-Debug -Message 'if ($RunningTask)' if ($RunningTask) { $Message = 'Task {0} is already running (PID: {1}) @ host {2}' -f $TaskName, $RunningTask.EnginePID, $ComputerName $PSCmdlet.ThrowTerminatingError((New-Object -TypeName 'System.Management.Automation.ErrorRecord' -ArgumentList ((New-Object -TypeName 'System.InvalidOperationException' -ArgumentList $Message), 'InvalidOperationException', [System.Management.Automation.ErrorCategory]::ResourceExists, $null))) } Write-Debug -Message ('$null = $RootFolder.RegisterTaskDefinition(''{0}'', $Task, 6, ''SYSTEM'', $null, 1)' -f $TaskName) $null = $RootFolder.RegisterTaskDefinition($TaskName, $Task, 6, 'SYSTEM', $null, 1) Write-Debug -Message ('$null = $RootFolder.GetTask(''{0}'').Run(0)' -f $TaskName) $null = $RootFolder.GetTask($TaskName).Run(0) Write-Debug -Message '$InitialDateTime = Get-Date' $InitialDateTime = Get-Date Write-Debug -Message ('$InitialDateTime: ''{0}''' -f [string]$InitialDateTime) do { Write-Debug -Message ('Start-Sleep -Seconds {0}' -f $Timeout) Start-Sleep -Seconds $Timeout Write-Debug -Message ('$RunningTask = $Scheduler.GetRunningTasks(0) | Where-Object {{$_.Name -eq ''{0}''}}' -f $TaskName) $RunningTask = $Scheduler.GetRunningTasks(0) | Where-Object {$_.Name -eq $TaskName} Write-Debug -Message ('$RunningTask: {0}' -f [string]$RunningTask.Name) if ($RunningTask) { Write-Debug -Message '$CurrentDateTime = Get-Date' $CurrentDateTime = Get-Date Write-Debug -Message ('$CurrentDateTime: ''{0}''' -f [string]$CurrentDateTime) Write-Debug -Message ('$InitialDateTime: ''{0}''' -f [string]$InitialDateTime) Write-Debug -Message ('$InstallUpdateThreshold: ''{0}''' -f [string]$InstallUpdateThreshold) Write-Debug -Message '$InstallUpdateDateTimeThreshold = $InitialDateTime + $InstallUpdateThreshold' $InstallUpdateDateTimeThreshold = $InitialDateTime + $InstallUpdateThreshold Write-Debug -Message ('$InstallUpdateDateTimeThreshold: ''{0}''' -f [string]$InstallUpdateDateTimeThreshold) Write-Debug -Message 'if ($CurrentDateTime -gt $InstallUpdateDateTimeThreshold)' if ($CurrentDateTime -gt $InstallUpdateDateTimeThreshold) { $Message = 'The task {0} @ host {1} has not finished in the allowed time ({2}).' -f $TaskName, $ComputerName, [string]$InstallUpdateThreshold $PSCmdlet.ThrowTerminatingError((New-Object -TypeName 'System.Management.Automation.ErrorRecord' -ArgumentList ((New-Object -TypeName 'System.TimeoutException' -ArgumentList $Message), 'TimeoutException', [System.Management.Automation.ErrorCategory]::OperationTimeout, $null))) } } } while ($RunningTask) Write-Debug -Message ('EXIT TRY {0}' -f $MyInvocation.MyCommand.Name) } catch { Write-Debug -Message ('ENTER CATCH {0}' -f $MyInvocation.MyCommand.Name) Write-Debug -Message ('{0}: $PSCmdlet.ThrowTerminatingError($_)' -f $MyInvocation.MyCommand.Name) $PSCmdlet.ThrowTerminatingError($_) Write-Debug -Message ('EXIT CATCH {0}' -f $MyInvocation.MyCommand.Name) } Write-Debug -Message ('EXIT {0}' -f $MyInvocation.MyCommand.Name) } |