psWeblogic

0.0.0.5

common/Write-Log.ps1

#region Log File Management
#$logLocalAppDir = Join-Path $Script:mInfo.ModuleBase logs
$logLocalAppDir = Join-Path -Path $Script:appdata -ChildPath log
$logName = "$($Script:mInfo.Name).log" 
$logFullName = Join-Path $logLocalAppDir $logName
$MaxLogFileSizeMB = 5 # After a log file reaches this size it will archive the existing and create a new one

trap
[Exception] 
{ 
    Write-Log
    "error: $($_.Exception.GetType().Name) - $($_.Exception.Message)" 
} 

function LogFileCheck 
{
    if (Test-Path $logFullName) #
    {
        if (((gci $logFullName).length/1MB) -gt $MaxLogFileSizeMB) # Check size of log file - to stop unweildy size, archive existing file if over limit and create fresh.
        {
            $NewLogFile = $LogName.replace(".log", " ARCHIVED $(Get-Date -Format dd-MM-yyy-hh-mm-ss).log") 
            Rename-Item $logFullName (Join-Path $LogLocalAppDir $NewLogFile)
        }
    }
    else
    {
        if (!(Test-Path $LogLocalAppDir))
        {
            mkdir $LogLocalAppDir | Out-Null
        }
        New-Item $logFullName -type file 
    }
}



function Write-Log # Send to log file
{
    param(
            [Parameter(Mandatory=$false,ValueFromPipeline=$true)]
                [System.String]$message,
            [ValidateSet('INFO','WARNING','ERROR','EXCEPTION','SECURITY')]            
                [System.String]$Level="INFO"
        )
    $invocation = $MyInvocation | select ScriptName,ScriptLineNumber,@{E={$_.Line.Trim()};L='Line'}
    if (-not $WhatIfPreference.IsPresent -and $message)
    {
        foreach($obj in $input)
        {
            $pipeline += $obj
        }

        if (![String]::IsNullOrEmpty($pipeline))
        {
            $message = $pipeline
        }
        try
        {
            if ($Level -in @('ERROR','EXCEPTION'))
            {
                $toOutput = "$(get-date) $($env:USERDOMAIN)\$($env:USERNAME) $($Level):$($message)`n$($invocation | ConvertTo-Json)" | Out-File $logFullName -append -NoClobber -ErrorAction SilentlyContinue -Encoding default
            }
        }
        catch{}
    }
}



LogFileCheck
#endregion Log File Management