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We quite often use PowerShell scripts in scheduled tasks and the likes to carry out automated maintenance, backups etc as many people do. But how do you handle when things go wrong?
This small script aims to solve that by allowing logging and email notifications to be easily set up in any PowerShell script. Simply drop it in at the top and follow the instructions to enable easy logging of your scripts.
The Script
Instructions
- Add the script below to the top of your PowerShell script.
- Configure the variables in the ‘Email Settings’ section
- If you want to record anything in the script to the log files then call –
- LogWrite (*value*)
<#======= Error Handler Setup ====== Drop the script into wherever it's needed and update the email that's sent. Run the command below to generate an encrypted password, this is used by the (Get-Credential).Password | ConvertFrom-SecureString | Out-File "C:\scripts\Cred.txt" #> <# Email Settings #> $Username = "*username*" $SmtpServer = "smtp.office365.com" $port = 587 $to = "*Name* <*Email*>" $from = "*Name* <*Email*>" $subject = "*subject*" $body = "*Body* (Supports HTML)" $logFileLocation = "C:\Scripts\Logs\" $logDaysToKeep = 365 <# End Email Settings #> $formattedDate = Get-Date -UFormat %d-%m-%y $logFile = $logFileLocation + $formattedDate + "-Log.log" $currentDate = Get-Date $removalDate = $currentDate.AddDays($logDaysToKeep * -1) # Method for writing logs Function LogWrite { Param ([string]$logstring) $time = Get-Date Add-content $Logfile -value "$time - $logstring" } # Ensure logs directory exists if (!(Test-Path -Path $logFileLocation)) { New-item -ItemType Directory -Force -Path $logFileLocation } # Remove logs older than specified number of days $logs = Get-ChildItem $logFileLocation -include *.Log foreach ($log in $logs) { if($log.LastWriteTime -lt $removalDate) { Remove-Item $log LogWrite "Removed Logs" } } # Will email on any error trap { $password = get-content C:\scripts\Cred.txt | convertto-securestring $credentials = new-object -typename System.Management.Automation.PSCredential -argumentlist $Username, $password Send-MailMessage -To $to ` -From $from ` -Subject $subject ` -Body $body ` -SmtpServer $SmtpServer -Port $port -UseSsl -BodyAsHtml ` -Credential $credentials LogWrite "Failed due to error - $_ - EMAIL SENT" }
Sysadmin Central 