shutdownScript.ps1

# Added from http://bretty.me.uk/save-money-using-citrix-octoblu-automation-for-power-management/
# Author: Dave Brett 

function Lab-Shutdown {
  $ErrorActionPreference = 'Continue'
  import-module XenServerPSModule
  connect-xenserver -url http://xs.bretty.local -username USERNAME -password PASSWORD
  $file = "c:\Scripts\vmlist.txt"
  $VMNames = Get-Content $file
  foreach($VMName in $VMNames)
    {
      $VM = Get-XenVM -Name $VMName
      Write-Host "Scheduling Power off of VM '$VMName'"
      Invoke-XenVM -VM $VM -XenAction CleanShutdown -Async
    }
  Disconnect-XenServer
  $From = "xs@bretty.me.uk"
  $To = "dave@bretty.me.uk"
  $SMTPServer = "xsmail.bretty.me.uk"
  $SMTPPort = "25"
  $Username = "xs@bretty.me.uk"
  $Password = "PASSWORD"
  $subject = "bretty.local Lab Shutdown"
  $body = "bretty.local - lab has been shutdown"
  $smtp = New-Object System.Net.Mail.SmtpClient($SMTPServer, $SMTPPort);
  $smtp.EnableSSL = $false
  $smtp.Credentials = New-Object System.Net.NetworkCredential($Username, $Password);
  $smtp.Send($From, $To, $subject, $body);
}