Functions/logs.ps1
|
function Write-ToLog($LogMsg, $LogColor = "White") { #Get log $Log = "$( Get-Date -UFormat "%T" ) - $LogMsg" #Echo log $Log | Write-host -ForegroundColor $LogColor #Write log to file $Log | Out-File -FilePath $LogFile -Append } #Function to rotate the logs function Invoke-LogRotation($LogFile, $MaxLogFiles, $MaxLogSize) { <# .SYNOPSIS Handle log rotation. .DESCRIPTION Invoke-LogRotation handles log rotation .NOTES Author: Øyvind Kallstad (Minimized and changed for WAU 12.01.2023 by Göran Axel Johannesson) URL: https://www.powershellgallery.com/packages/Communary.Logger/1.1 Date: 21.11.2014 Version: 1.0 #> try { # get current size of log file $currentSize = (Get-Item $LogFile).Length # get log name $logFileName = Split-Path $LogFile -Leaf $logFilePath = Split-Path $LogFile $logFileNameWithoutExtension = [System.IO.Path]::GetFileNameWithoutExtension($logFileName) $logFileNameExtension = [System.IO.Path]::GetExtension($logFileName) # if MaxLogFiles is 1 just keep the original one and let it grow if (-not($MaxLogFiles -eq 1)) { if ($currentSize -ge $MaxLogSize) { # construct name of archived log file $newLogFileName = $logFileNameWithoutExtension + (Get-Date -Format 'yyyyMMddHHmmss').ToString() + $logFileNameExtension # copy old log file to new using the archived name constructed above Copy-Item -Path $LogFile -Destination (Join-Path (Split-Path $LogFile) $newLogFileName) # Create a new log file try { Remove-Item -Path $LogFile -Force New-Item -ItemType File -Path $LogFile -Force #Set ACL for users on logfile $NewAcl = Get-Acl -Path $LogFile $identity = New-Object System.Security.Principal.SecurityIdentifier S-1-5-11 $fileSystemRights = "Modify" $type = "Allow" $fileSystemAccessRuleArgumentList = $identity, $fileSystemRights, $type $fileSystemAccessRule = New-Object -TypeName System.Security.AccessControl.FileSystemAccessRule -ArgumentList $fileSystemAccessRuleArgumentList $NewAcl.SetAccessRule($fileSystemAccessRule) Set-Acl -Path $LogFile -AclObject $NewAcl } catch { Return $False } # if MaxLogFiles is 0 don't delete any old archived log files if (-not($MaxLogFiles -eq 0)) { # set filter to search for archived log files $archivedLogFileFilter = $logFileNameWithoutExtension + '??????????????' + $logFileNameExtension # get archived log files $oldLogFiles = Get-Item -Path "$( Join-Path -Path $logFilePath -ChildPath $archivedLogFileFilter )" if ([bool]$oldLogFiles) { # compare found log files to MaxLogFiles parameter of the log object, and delete oldest until we are # back to the correct number if (($oldLogFiles.Count + 1) -gt $MaxLogFiles) { [int]$numTooMany = (($oldLogFiles.Count) + 1) - $MaxLogFiles $oldLogFiles | Sort-Object 'LastWriteTime' | Select-Object -First $numTooMany | Remove-Item } } } #Log Header $Log = "##################################################`n# CHECK FOR APP UPDATES - $( Get-Date -Format (Get-culture).DateTimeFormat.ShortDatePattern )`n##################################################" $Log | out-file -filepath $LogFile -Append Write-ToLog "Running in System context" if ($ActivateGPOManagement) { Write-ToLog "Activated WAU GPO Management detected, comparing..." if ($null -ne $ChangedSettings -and $ChangedSettings -ne 0) { Write-ToLog "Changed settings detected and applied" "Yellow" } else { Write-ToLog "No Changed settings detected" "Yellow" } } Write-ToLog "Max Log Size reached: $MaxLogSize bytes - Rotated Logs" Return $True } } } catch { Return $False } } |