Public/Invoke-InfrastructureMaintenance.ps1
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function Invoke-InfrastructureMaintenance { #Requires -Version 3.0 #Requires -Modules SplitOutput, SimpleTextLogger [CmdletBinding()] Param ( [string]$LogErrorFilePath = $ModuleWideLogErrorFilePath, [string]$LogFilePathTemplate = $ModuleWideLogFilePathTemplate, [string]$LogMutexName = $ModuleWideTextLogMutexName, [switch]$DebugLog = $ModuleWideDebugLog, [switch]$FailOnPreviousFailure = $ModuleWideFailOnPreviousFailure ) $ErrorActionPreference = 'Stop' Write-Debug -Message ('ENTER {0}' -f $MyInvocation.MyCommand.Name) try { Write-Debug -Message ('ENTER TRY {0}' -f $MyInvocation.MyCommand.Name) Write-Debug -Message ('$LogErrorFilePath = ''{0}''' -f $LogErrorFilePath) Write-Debug -Message ('$LogFilePathTemplate = ''{0}''' -f $LogFilePathTemplate) Write-Debug -Message ('$FailOnPreviousFailure : ''{0}''' -f $FailOnPreviousFailure) Write-Debug -Message 'if ($FailOnPreviousFailure)' if ($FailOnPreviousFailure) { Write-Debug -Message ('$LogErrorFileExistence = Test-Path -Path ''{0}''' -f $LogErrorFilePath) $LogErrorFileExistence = Test-Path -Path $LogErrorFilePath Write-Debug -Message ('$LogErrorFileExistence: {0}' -f $LogErrorFileExistence) Write-Debug -Message 'if ($LogErrorFileExistence)' if ($LogErrorFileExistence) { Write-Debug -Message ('$LogErrorFileContent = Get-Content -Path ''{0}''' -f $LogErrorFilePath) $LogErrorFileContent = Get-Content -Path $LogErrorFilePath Write-Debug -Message ('$LogErrorFileContent: ''{0}''' -f [string]$LogErrorFileContent) Write-Debug -Message 'if ($LogErrorFileContent)' if ($LogErrorFileContent) { $Message = ('Error log file {0} is not empty. To ignore this, set the module configuration variable $ModuleWideFailOnPreviousFailure to $false.' -f $LogErrorFilePath) $PSCmdlet.ThrowTerminatingError((New-Object -TypeName 'System.Management.Automation.ErrorRecord' -ArgumentList ((New-Object -TypeName 'System.ApplicationException' -ArgumentList $Message), 'FileIsNotEmpty', [System.Management.Automation.ErrorCategory]::InvalidData, $null))) } } } else { try { Write-Debug -Message ('$null = Clear-Content -Path ''{0}''' -f $LogErrorFilePath) $null = Clear-Content -Path $LogErrorFilePath } catch { Write-Debug -Message 'if ($_.Exception -isnot [System.Management.Automation.ItemNotFoundException])' if ($_.Exception -isnot [System.Management.Automation.ItemNotFoundException]) { Write-Debug -Message ('{0}: $PSCmdlet.ThrowTerminatingError($_)' -f $MyInvocation.MyCommand.Name) $PSCmdlet.ThrowTerminatingError($_) } } } Write-Debug -Message '[System.Collections.ArrayList]$ProcessedComputers = @()' [System.Collections.ArrayList]$ProcessedComputers = @() Write-Debug -Message 'do while ($UnprocessedComputers)' do { Write-Debug -Message '[System.Collections.ArrayList]$UnprocessedComputers = @()' [System.Collections.ArrayList]$UnprocessedComputers = @() Write-Debug -Message '$List = Get-ComputerList' $List = Get-ComputerList Write-Debug -Message ('$List: ''{0}''' -f [string]$List) Write-Debug -Message 'if ($List)' if ($List) { Write-Debug -Message 'foreach ($ComputerName in $List)' foreach ($ComputerName in $List) { Write-Debug -Message ('$ProcessedComputers: ''{0}''' -f [string]$ProcessedComputers) Write-Debug -Message ('$ComputerName = ''{0}''' -f $ComputerName) Write-Debug -Message ('if ($ProcessedComputers -notcontains $ComputerName)') if ($ProcessedComputers -notcontains $ComputerName) { Write-Debug -Message ('$null = $UnprocessedComputers.Add(''{0}'')' -f $ComputerName) $null = $UnprocessedComputers.Add($ComputerName) Write-Debug -Message ('$UnprocessedComputers: ''{0}''' -f [string]$UnprocessedComputers) } } Write-Debug -Message ('$UnprocessedComputers: ''{0}''' -f [string]$UnprocessedComputers) Write-Debug -Message 'if ($UnprocessedComputers)' if ($UnprocessedComputers) { Write-Debug -Message '$ComputerName = $UnprocessedComputers[0]' $ComputerName = $UnprocessedComputers[0] Write-Debug -Message ('$ComputerName = ''{0}''' -f $ComputerName) Write-Debug -Message ('$LogFilePath = ''{0}'' -f ''{1}''' -f $LogFilePathTemplate, $ComputerName) $LogFilePath = $LogFilePathTemplate -f $ComputerName Write-Debug -Message ('$LogFilePath = ''{0}''' -f $LogFilePath) Write-Debug -Message ('$LogScriptBlock = [scriptblock]::Create((''Write-SimpleTextLog -Path ''''{{0}}'''' -MutexName ''''{{1}}'''''' -f {0}, {1}))' -f $LogFilePath, $LogMutexName) $LogScriptBlock = [scriptblock]::Create(('Write-SimpleTextLog -Path ''{0}'' -MutexName ''{1}''' -f $LogFilePath, $LogMutexName)) Write-Debug -Message ('$LogScriptBlock = {0}' -f [string]$LogScriptBlock) Write-Debug -Message ('$DebugLog: ''{0}''' -f [string]$DebugLog) Write-Debug -Message 'if ($DebugLog)' if ($DebugLog) { Write-Debug -Message ('$CurrentDebugPreference = ''{0}''' -f $global:DebugPreference) $CurrentDebugPreference = $global:DebugPreference Write-Debug -Message '$global:DebugPreference = ''Continue''' $global:DebugPreference = 'Continue' Write-Debug -Message ('Invoke-ComputerMaintenance -ComputerName ''{0}'' 5>&1 | Split-Output -ScriptBlock {{{1}}} -Mode Debug' -f $ComputerName, $LogScriptBlock) Invoke-ComputerMaintenance -ComputerName $ComputerName 5>&1 | Split-Output -ScriptBlock $LogScriptBlock -Mode Debug } else { Write-Debug -Message '$CurrentDebugPreference = $null' $CurrentDebugPreference = $null Write-Debug -Message ('Invoke-ComputerMaintenance -ComputerName ''{0}''' -f $ComputerName) Invoke-ComputerMaintenance -ComputerName $ComputerName } Write-Debug -Message ('$null = $ProcessedComputers.Add(''{0}'')' -f $ComputerName) $null = $ProcessedComputers.Add($ComputerName) Write-Debug -Message ('$ProcessedComputers: ''{0}''' -f [string]$ProcessedComputers) } } } while ($UnprocessedComputers) Write-Debug -Message ('EXIT TRY {0}' -f $MyInvocation.MyCommand.Name) } catch { Write-Debug -Message ('ENTER CATCH {0}' -f $MyInvocation.MyCommand.Name) Write-Debug -Message ('Invoke-ErrorProcessing -ErrorRecord $_ -Path ''{0}''' -f $LogErrorFilePath) Invoke-ErrorProcessing -ErrorRecord $_ -Path $LogErrorFilePath Write-Debug -Message ('EXIT CATCH {0}' -f $MyInvocation.MyCommand.Name) } finally { Write-Debug -Message ('ENTER FINALLY {0}' -f $MyInvocation.MyCommand.Name) Write-Debug -Message ('$CurrentDebugPreference = ''{0}''' -f $CurrentDebugPreference) Write-Debug -Message 'if ($CurrentDebugPreference)' if ($CurrentDebugPreference) { Write-Debug -Message ('$global:DebugPreference = ''{0}''' -f $CurrentDebugPreference) $global:DebugPreference = $CurrentDebugPreference } Write-Debug -Message ('EXIT FINALLY {0}' -f $MyInvocation.MyCommand.Name) } Write-Debug -Message ('EXIT {0}' -f $MyInvocation.MyCommand.Name) } |