internal/loggingProviders/logfile.provider.ps1
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$functionDefinitions = { function Get-LogFilePath { [CmdletBinding()] param ( ) $path = Get-ConfigValue -Name 'FilePath' $logname = Get-ConfigValue -Name 'LogName' $scriptBlock = { param ( [string] $Match ) $hash = @{ '%date%' = (Get-Date -Format 'yyyy-MM-dd') '%dayofweek%' = (Get-Date).DayOfWeek '%day%' = (Get-Date).Day '%hour%' = (Get-Date).Hour '%minute%' = (Get-Date).Minute '%username%' = $env:USERNAME '%userdomain%' = $env:USERDOMAIN '%computername%' = $env:COMPUTERNAME '%processid%' = $PID '%logname%' = $logname } $hash.$Match } [regex]::Replace($path, '%day%|%computername%|%hour%|%processid%|%date%|%username%|%dayofweek%|%minute%|%userdomain%|%logname%', $scriptBlock, 'IgnoreCase') } function Test-EmptyFile { [CmdletBinding()] param ( $Path ) $file = Get-Item -LiteralPath $Path -ErrorAction Ignore if (-not $file) { return $false } $firstLine = Get-Content -LiteralPath $file.FullName -TotalCount 1 -not $firstLine } function Write-LogFileMessage { [CmdletBinding()] param ( [Parameter(ValueFromPipeline = $true)] $Message, [bool] $IncludeHeader, [string] $FileType, [string] $CsvDelimiter, $MessageItem ) #region Type-Based Output switch ($FileType) { #region Csv "Csv" { if (-not $CsvDelimiter) { $CsvDelimiter = ',' } if ($script:firstEntry) { if ($script:csvConverter) { $null = $script:csvConverter.End() $script:csvConverter = $null } } if (-not $script:csvConverter) { $script:csvConverter = { ConvertTo-Csv -NoTypeInformation -Delimiter $CsvDelimiter }.GetSteppablePipeline() $script:csvConverter.Begin($true) } $converted = $script:csvConverter.Process($Message) if ($script:firstEntry) { if ($IncludeHeader -and (Test-EmptyFile -Path $script:currentPath)) { $script:writer.WriteLine($converted[0]) } $script:writer.WriteLine($converted[1]) } else { $script:writer.WriteLine($converted[0]) } } #endregion Csv #region Json "Json" { if (-not $script:JsonSettings.JsonString) { $data = $Message | ConvertTo-Json -Compress:$script:JsonSettings.JsonCompress } else { $data = $Message | ConvertFrom-Enumeration | ConvertTo-Json -Compress:$script:JsonSettings.JsonCompress } if (-not $script:JsonSettings.JsonNoComma) { $script:writer.WriteLine(",") $script:writer.Write($data) } else { $script:writer.WriteLine($data) } } #endregion Json #region XML "XML" { [xml]$xml = $message | ConvertTo-Xml -NoTypeInformation $script:writer.WriteLine($xml.Objects.InnerXml) } #endregion XML #region Html "Html" { [xml]$xml = $message | ConvertTo-Html -Fragment if ($script:firstEntry -and $IncludeHeader) { $script:writer.WriteLine($xml.table.tr[0].OuterXml) } $script:writer.WriteLine($xml.table.tr[1].OuterXml) } #endregion Html #region CMTrace "CMTrace" { $cType = 1 if ($MessageItem.Level -eq 'Warning') { $cType = 2 } if ($MessageItem.ErrorRecord) { $cType = 3 } $fileEntry = '<no file>' if ($MessageItem.File) { $fileEntry = Split-Path -Path $MessageItem.File -Leaf } $format = '<![LOG[{0}]LOG]!><time="{1:HH:mm:ss.fff}+000" date="{1:MM-dd-yyyy}" component="{6}:{2} > {7}" context="{3}" type="{4}" thread="{5}" file="{6}:{2} > {7}">' $line = $format -f $MessageItem.LogMessage, $MessageItem.Timestamp, $MessageItem.Line, $MessageItem.TargetObject, $cType, $MessageItem.Runspace, $fileEntry, $MessageItem.FunctionName $script:writer.WriteLine($line) } #endregion CMTrace } #endregion Type-Based Output $script:firstEntry = $false } function Invoke-LogRotate { [CmdletBinding()] param ( ) $basePath = Get-ConfigValue -Name 'LogRotatePath' if (-not $basePath) { return } #region Resolve Paths $scriptBlock = { param ( [string] $Match ) $hash = @{ '%date%' = (Get-Date -Format 'yyyy-MM-dd') '%dayofweek%' = (Get-Date).DayOfWeek '%day%' = (Get-Date).Day '%hour%' = (Get-Date).Hour '%minute%' = (Get-Date).Minute '%username%' = $env:USERNAME '%userdomain%' = $env:USERDOMAIN '%computername%' = $env:COMPUTERNAME '%processid%' = $PID '%logname%' = $logname } $hash.$Match } $basePath = [regex]::Replace($basePath, '%day%|%computername%|%hour%|%processid%|%date%|%username%|%dayofweek%|%minute%|%userdomain%|%logname%', $scriptBlock, 'IgnoreCase') #endregion Resolve Paths $minimumRetention = (Get-ConfigValue -Name 'LogRetentionTime') -as [PSFTimeSpan] -as [Timespan] if (-not $minimumRetention) { throw "No minimum retention defined" } if ($minimumRetention.TotalSeconds -le 0) { throw "Minimum retention must be positive! Retention: $minimumRetention" } # Don't logrotate more than every 5 minutes if ($script:lastRotate -gt (Get-Date).AddMinutes(-5)) { return } $script:lastRotate = Get-Date $limit = (Get-Date).Subtract($minimumRetention) Get-ChildItem -Path $basePath -Filter (Get-ConfigValue -Name 'LogRotateFilter') -Recurse:(Get-ConfigValue -Name 'LogRotateRecurse') -File | Where-Object LastWriteTime -LT $limit | Remove-Item -Force -ErrorAction Stop } function Update-Mutex { [CmdletBinding()] param () $script:mutexName = Get-ConfigValue -Name 'MutexName' if ($script:mutexName -and -not $script:mutex) { $script:mutex = New-Object System.Threading.Mutex($false, $script:mutexName) Add-Member -InputObject $script:mutex -MemberType NoteProperty -Name Name -Value $script:mutexName } elseif ($script:mutexName -and $script:mutex.Name -ne $script:mutexName) { $script:mutex.Dispose() $script:mutex = New-Object System.Threading.Mutex($false, $script:mutexName) Add-Member -InputObject $script:mutex -MemberType NoteProperty -Name Name -Value $script:mutexName } elseif (-not $script:mutexName -and $script:mutex) { $script:mutex.Dispose() $script:mutex = $null } } function ConvertFrom-Enumeration { [CmdletBinding()] param ( [Parameter(ValueFromPipeline = $true)] $InputObject ) process { $data = @{ } foreach ($property in $InputObject.PSObject.Properties) { if ($property.Value -is [enum]) { $data[$property.Name] = $property.Value -as [string] } else { $data[$property.Name] = $property.Value } } [pscustomobject]$data } } function Move-LogFile { [CmdletBinding()] param ( ) $destinationPath = Get-ConfigValue -Name 'MoveOnFinal' if (-not $destinationPath) { return } if (-not (Test-Path $destinationPath)) { throw "Final log destination not found: $destinationPath" } $folder = Get-Item -Path $destinationPath if (-not $folder.PSIsContainer) { throw "Final log destination is not a folder: $destinationPath" } foreach ($filePath in $script:logPathList.Keys) { if (-not (Test-Path -Path $filePath)) { continue } Move-Item -Path $filePath -Destination $folder.FullName -Force -ErrorAction Stop } } function Copy-LogFile { [CmdletBinding()] param ( ) $destinationPath = Get-ConfigValue -Name 'CopyOnFinal' if (-not $destinationPath) { return } if (-not (Test-Path $destinationPath)) { throw "Final log destination not found: $destinationPath" } $folder = Get-Item -Path $destinationPath if (-not $folder.PSIsContainer) { throw "Final log destination is not a folder: $destinationPath" } foreach ($filePath in $script:logPathList.Keys) { if (-not (Test-Path -Path $filePath)) { continue } Copy-Item -Path $filePath -Destination $folder.FullName -Force -ErrorAction Stop } } } #region Events $begin_event = { $script:lastRotate = (Get-Date).AddMinutes(-10) $script:logPathList = @{ } $script:currentPath = '' $script:writer = $null $script:firstEntry = $true } $start_event = { Update-Mutex $script:logfile_headers = Get-ConfigValue -Name 'Headers' | ForEach-Object { switch ($_) { 'Tags' { @{ Name = 'Tags' Expression = { $_.Tags -join "," } } } 'Message' { @{ Name = 'Message' Expression = { $_.LogMessage } } } 'Timestamp' { @{ Name = 'Timestamp' Expression = { if (Get-ConfigValue -Name 'UTC') { if (-not (Get-ConfigValue -Name 'TimeFormat')) { $_.Timestamp.ToUniversalTime() } else { $_.Timestamp.ToUniversalTime().ToString((Get-ConfigValue -Name 'TimeFormat')) } } else { if (-not (Get-ConfigValue -Name 'TimeFormat')) { $_.Timestamp } else { $_.Timestamp.ToString((Get-ConfigValue -Name 'TimeFormat')) } } } } } default { $_ } } } $script:encoding = Get-ConfigValue -Name 'Encoding' $newPath = Get-LogFilePath if ($newPath -ne $script:currentPath) { if ($script:writer) { $null = $script:writer.Close() $script:writer = $null } $script:currentPath = $newPath $parent = Split-Path $newPath if (-not (Test-Path $parent)) { $null = New-Item $parent -ItemType Directory -Force } $script:firstEntry = $true $shareMode = [System.IO.FileShare]::Read if ($script:mutex) { $shareMode = [System.IO.FileShare]::ReadWrite } $stream = [System.IO.FileStream]::new($script:currentPath, [System.IO.FileMode]::Append, [System.IO.FileAccess]::Write, $shareMode) try { $script:writer = [System.IO.StreamWriter]::new($stream, ([PSFramework.Parameter.EncodingParameter]$script:encoding)) } catch { $script:writer = [System.IO.StreamWriter]::new($stream) } } $script:logfile_paramWriteLogFileMessage = @{ IncludeHeader = Get-ConfigValue -Name 'IncludeHeader' FileType = Get-ConfigValue -Name 'FileType' CsvDelimiter = Get-ConfigValue -Name 'CsvDelimiter' } # Cache path for final move action $script:logPathList[$script:currentPath] = $script:currentPath $script:JsonSettings = @{ JsonCompress = Get-ConfigValue -Name JsonCompress JsonString = Get-ConfigValue -Name JsonString JsonNoComma = Get-ConfigValue -Name JsonNoComma } } $message_event = { param ( $Message ) if ($script:mutex) { $null = $script:mutex.WaitOne() # Set to end of file, in case another process wrote $script:writer.BaseStream.Position = $script:writer.BaseStream.Length } try { $Message | Select-Object $script:logfile_headers | Write-LogFileMessage @script:logfile_paramWriteLogFileMessage -MessageItem $Message } finally { $script:writer.Flush() if ($script:mutex) { $script:mutex.ReleaseMutex() } } } $end_event = { if ($script:mutex) { $null = $script:mutex.WaitOne() } $script:writer.Flush() Invoke-LogRotate if ($script:mutex) { $script:mutex.ReleaseMutex() } } $final_event = { if ($script:mutex) { $null = $script:mutex.WaitOne() } if ($script:writer) { $null = $script:writer.Close() $script:writer = $null } Move-LogFile Copy-LogFile if ($script:mutex) { $script:mutex.ReleaseMutex() } } #endregion Events $configuration_Settings = { Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.FilePath' -Value "" -Initialize -Validation string -Description "The path to where the logfile is written. Supports some placeholders such as %Date% to allow for timestamp in the name. For full documentation on the supported wildcards, see the documentation on https://psframework.org" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.Logname' -Value "" -Initialize -Validation string -Description "A special string you can use as a placeholder in the logfile path (by using '%logname%' as placeholder)" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.IncludeHeader' -Value $true -Initialize -Validation bool -Description "Whether a written csv file will include headers" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.Headers' -Value @('ComputerName', 'File', 'FunctionName', 'Level', 'Line', 'Message', 'ModuleName', 'Runspace', 'Tags', 'TargetObject', 'Timestamp', 'Type', 'Username') -Initialize -Validation stringarray -Description "The properties to export, in the order to select them." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.FileType' -Value "CSV" -Initialize -Validation psframework.logfilefiletype -Description "In what format to write the logfile. Supported styles: CSV, XML, Html, Json or CMTrace. Html, XML and Json will be written as fragments." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.CsvDelimiter' -Value "," -Initialize -Validation string -Description "The delimiter to use when writing to csv." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.TimeFormat' -Value "$([System.Globalization.CultureInfo]::CurrentUICulture.DateTimeFormat.ShortDatePattern) $([System.Globalization.CultureInfo]::CurrentUICulture.DateTimeFormat.LongTimePattern)" -Initialize -Validation string -Description "The format used for timestamps in the logfile" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.Encoding' -Value "UTF8" -Initialize -Validation string -Description "In what encoding to write the logfile." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.UTC' -Value $false -Initialize -Validation bool -Description "Whether the timestamp in the logfile should be converted to UTC" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.LogRotatePath' -Value "" -Initialize -Validation string -Description "The path where to logrotate. Specifying this setting will cause the logging provider to also rotate older logfiles" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.LogRetentionTime' -Value "30d" -Initialize -Validation timespan -Description "The minimum age for a logfile to be considered for deletion as part of logrotation" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.LogRotateFilter' -Value "*" -Initialize -Validation string -Description "A filter to apply to all files logrotated" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.LogRotateRecurse' -Value $false -Initialize -Validation bool -Description "Whether the logrotate aspect should recursively look for files to logrotate" Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.MutexName' -Value '' -Initialize -Validation string -Description "Name of a mutex to use. Use this to handle parallel logging into the same file from multiple processes, by picking the same name in each process." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.JsonCompress' -Value $false -Initialize -Validation bool -Description "Will compress the json entries, condensing each entry into a single line." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.JsonString' -Value $false -Initialize -Validation bool -Description "Will convert all enumerated properties to string values when converting to json. This causes the level property to be 'Debug','Host', ... rather than 8,2,..." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.JsonNoComma' -Value $false -Initialize -Validation bool -Description "Prevent adding commas between two json entries." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.MoveOnFinal' -Value '' -Initialize -Validation string -Description "Path to a target folder to move logfiles to when shutting down the logging provider instance. This happens automatically when PSFramework ends or the provider instance is disabled again." Set-PSFConfig -Module PSFramework -Name 'Logging.LogFile.CopyOnFinal' -Value '' -Initialize -Validation string -Description "Path to a target folder to copy logfiles to when shutting down the logging provider instance. This happens automatically when PSFramework ends or the provider instance is disabled again." } $paramRegisterPSFLoggingProvider = @{ Name = "logfile" Version2 = $true ConfigurationRoot = 'PSFramework.Logging.LogFile' InstanceProperties = 'CsvDelimiter', 'FilePath', 'FileType', 'Headers', 'IncludeHeader', 'Logname', 'TimeFormat', 'Encoding', 'UTC', 'LogRotatePath', 'LogRetentionTime', 'LogRotateFilter', 'LogRotateRecurse', 'MutexName', 'JsonCompress', 'JsonString', 'JsonNoComma', 'MoveOnFinal', 'CopyOnFinal' FunctionDefinitions = $functionDefinitions BeginEvent = $begin_event StartEvent = $start_event MessageEvent = $message_event EndEvent = $end_event FinalEvent = $final_event ConfigurationDefaultValues = @{ IncludeHeader = $true Headers = 'ComputerName', 'File', 'FunctionName', 'Level', 'Line', 'Message', 'ModuleName', 'Runspace', 'Tags', 'TargetObject', 'Timestamp', 'Type', 'Username' FileType = 'CSV' CsvDelimiter = ',' TimeFormat = "$([System.Globalization.CultureInfo]::CurrentUICulture.DateTimeFormat.ShortDatePattern) $([System.Globalization.CultureInfo]::CurrentUICulture.DateTimeFormat.LongTimePattern)" Encoding = 'UTF8' LogRetentionTime = '30d' LogRotateFilter = '*' LogRotateRecurse = $false } ConfigurationSettings = $configuration_Settings } Register-PSFLoggingProvider @paramRegisterPSFLoggingProvider |