PowerShell Custom Log function
*How to create your own logging function in powershell
*powershell log function
*write-host with colors
In this video I show you how you can add some nice logging into your powershell code.
Code :
#Modules file created by Mark Bakker, this is module for logging purposes, like writing to file, console and sending mail
Function Write-MRBMessage {
Param(
[Parameter(Mandatory = $true)] $Message,
[Parameter(Mandatory = $true)]
[ValidateSet('INFO','WARNING','ERROR')]
[string]$Category
#[Parameter(Mandatory = $true)] $LogFile
#[Parameter(Mandatory = $false)][boolean]$NoNewLine = $true
)
Try {
$Date = ((Get-Date -f dd-MM-yyyy-HH:mm:ss).tostring())
$Cat = $Null
switch ($Category) {
"ERROR" {
$MessageColor = 'red'
$Cat = 'ERR'
}
"WARNING" {
$MessageColor = 'yellow'
$Cat = 'WAR'
}
"INFO" {
$MessageColor = 'Green'
$Cat = 'INF'
}
default {Write-Host "The category of the message could not be determined" -ForegroundColor Red -BackgroundColor Black}
}
Write-Host -Object "[" -NoNewline -ForegroundColor Cyan
Write-Host -Object $Date -NoNewline -ForegroundColor White
Write-Host -Object "]" -NoNewline -ForegroundColor Cyan
Write-Host -Object " - " -NoNewline -ForegroundColor Green
Write-Host -Object "[" -NoNewline -ForegroundColor Cyan
Write-Host -Object $Cat -NoNewline -ForegroundColor White
Write-Host -Object "]" -NoNewline -ForegroundColor Cyan
Write-Host -Object " - " -NoNewline -ForegroundColor Green
Write-Host -Object "[" -NoNewline -ForegroundColor Cyan
Write-Host -Object $Message -NoNewline -ForegroundColor $MessageColor
if ($NoNewLine) {
Write-Host -Object "]" -ForegroundColor Cyan -NoNewline
}
else {
Write-Host -Object "]" -ForegroundColor Cyan
}
#$Message = $Date + " " + $Message
#Out-File $LogFile -encoding ASCII -input $message -append
$Date = $Null
$Message = $Null
$MessageColor = $Null
}
Catch {
Write-Host "ERROR While trying to write message : $($_.Exception.Message), SCRIPT QUITS with ERROR -1 !!" -BackgroundColor Black -ForegroundColor Red
}
}
Write-MRBMessage -Message "this is a info message" -Category INFO
Write-MRBMessage -Message "this is a warning message" -Category WARNING
Write-MRBMessage -Message "this is a error message" -Category ERROR
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