Public/Clear-OldIISLog.ps1
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################################################################################### # # # WARNING: This script is still being developed and tested. Use at your own risk. # # # ################################################################################### function Clear-OldIISLog { <# .SYNOPSIS A script to clean out old IIS log files. .DESCRIPTION This script will clean out IIS log files older than x days. .PARAMETER Days The number of days to keep log files. The default is 60 days. .EXAMPLE Clear-OldIISLogFile -Days 60 Removes all IIS log files that are older than 60 days. .NOTES If the WebAdministration module is available, it will use that to check the specific log file locations for each web site. Otherwise, it checks the assumed default log folder location and the registry for the IIS log file location. .COMPONENT TheCleaners #> [CmdletBinding()] [Alias('Clean-IISLog')] #[System.Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns')] param ( [Parameter()] [int] $Days = 60 ) # Use the WebAdministration module if it is available if (Get-Module -Name 'WebAdministration' -ListAvailable) { # Get the logfile directory for each web site $WebSites = Get-Website foreach ($site in $WebSites) { $SiteLogFileDirectory = ("$($Site.logFile.directory)\W3SVC$($Site.id)").Replace( '%SystemDrive%',$env:SystemDrive ) Write-Information -MessageData "Removing old IIS log files from $($Site.name) at $SiteLogFileDirectory." -InformationAction Continue try { Remove-OldFiles -Path $SiteLogFileDirectory -Days $Days -WhatIf } catch { Write-Error -Message $_.Exception.Message -ErrorAction Continue Write-Warning "Failed to remove old IIS log files from $($Site.name) at $SiteLogFileDirectory." -WarningAction Continue } } } else { # If the WebAdministration module is not available, check the default log file location $DefaultIISLogLocation = "$env:SystemDrive\inetpub\logs\LogFiles" Write-Information "The WebAdministration module is not installed. We will check the default IIS log file location at '$DefaultIISLogLocation'." -InformationAction Continue if (Test-Path -Path $DefaultIISLogLocation -ErrorAction SilentlyContinue) { try { Remove-OldFiles -Path $DefaultIISLogLocation -Days $Days } catch { Write-Error -Message $_.Exception.Message -ErrorAction Continue Write-Warning "Failed to remove old log files from the default IIS log file location at '$DefaultIISLogLocation'." -WarningAction Continue } } else { Write-Information -MessageData "The default IIS log file location at '$DefaultIISLogLocation' does not exist." -InformationAction Continue } # If the WebAdministration module is not available,try to check the IIS log file location from the registry (requires local admin rights to read this path) $LogDir = Get-ItemProperty -Path 'HKLM:\\System\CurrentControlSet\Services\W3SVC\Parameters' -Name "LogDir" -ErrorAction SilentlyContinue | Select-Object -ExpandProperty LogDir if ($LogDir -and (Test-Path -Path $LogDir)) { try { Remove-OldFiles -Path $LogDir -Days $Days } catch { Write-Error -Message $_.Exception.Message -ErrorAction Continue Write-Warning "Failed to remove old IIS log files from the location specified in the directory ($LogDir)." -WarningAction Continue } } else { Write-Information -MessageData "Unable to find an alternate IIS log file location from the registry." -InformationAction Continue } } <# To Do: Add a summary of which blocks were run and possibly a count of log files removed. #> } |