IntuneDocumentation

2.0.12

Internal/Write-Log.ps1

                                function Write-Log {

    <#

    .DESCRIPTION

    Write text to a logfile with the current time.

    .PARAMETER Message

    Specifies the message to log.

    .PARAMETER Type

    Type of Message ("Info","Debug","Warn","Error").

    .PARAMETER OutputMode

    Specifies where the log should be written. Possible values are "Console","LogFile" and "Both".

    .PARAMETER Exception

    You can write an exception object to the log file if there was an exception.

    .EXAMPLE

    Write-Log -Message "Start process XY"

    .NOTES

    This function should be used to log information to console or log file.

    #>

    param(

        [Parameter(Mandatory=$true,Position=1)]

        [String]

        $Message

    ,

        [Parameter(Mandatory=$false)]

        [ValidateSet("Info","Debug","Warn","Error")]

        [String]

        $Type = "Debug"

    ,

        [Parameter(Mandatory=$false)]

        [Exception]

        $Exception

    )

    $LogFilePathFolder     = Join-Path -Path $Env:TEMP -ChildPath $ScriptName

    $OutputMode  = "Console" # "Console-LogFile","Console-WindowsEvent","LogFile-WindowsEvent","Console","LogFile","WindowsEvent","All"

    $DefaultLogWindowsEventSource = "IntuneDocumentation"

    $DefaultLogWindowsEventLog = "CustomPS"

    $LogFilePath = "$LogFilePathFolder\IntuneDocumentation_$(Get-Date -uformat %Y%m%d%H%M).log"

    $DateTimeString = Get-Date -Format "yyyy-MM-dd HH:mm:sszz"

    $Output = ($DateTimeString + "`t" + $Type.ToUpper() + "`t" + $Message)

    if($Exception){

        $ExceptionString =  ("[" + $Exception.GetType().FullName + "] " + $Exception.Message)

        $Output = "$Output - $ExceptionString"

    }

    if ($OutputMode -eq "Console" -OR $OutputMode -eq "Console-LogFile" -OR $OutputMode -eq "Console-WindowsEvent" -OR $OutputMode -eq "All") {

        if($Type -eq "Error"){

            Write-Error $output

        } elseif($Type -eq "Warn"){

            Write-Warning $output

        } elseif($Type -eq "Debug"){

            Write-Debug $output

        } else{

            Write-Verbose $output -Verbose

        }

    }

    if ($OutputMode -eq "LogFile" -OR $OutputMode -eq "Console-LogFile" -OR $OutputMode -eq "LogFile-WindowsEvent" -OR $OutputMode -eq "All") {

        try {

            Add-Content $LogFilePath -Value $Output -ErrorAction Stop

        } catch {

            exit 99001

        }

    }

    if ($OutputMode -eq "Console-WindowsEvent" -OR $OutputMode -eq "WindowsEvent" -OR $OutputMode -eq "LogFile-WindowsEvent" -OR $OutputMode -eq "All") {

        try {

            New-EventLog -LogName $DefaultLogWindowsEventLog -Source $DefaultLogWindowsEventSource -ErrorAction SilentlyContinue

            switch ($Type) {

                "Warn" {

                    $EventType = "Warning"

                    break

                }

                "Error" {

                    $EventType = "Error"

                    break

                }

                default {

                    $EventType = "Information"

                }

            }

            Write-EventLog -LogName $DefaultLogWindowsEventLog -Source $DefaultLogWindowsEventSource -EntryType $EventType -EventId 1 -Message $Output -ErrorAction Stop

        } catch {

            exit 99002

        }

    }

}

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# SIG # End signature block