Octopus PostDeploy script that sets up Scheduled Tasks using Task Scheduler definition files

PostDeploy.ps1

#PostDeploy.ps1 - This script is called by Octopus Deploy and is responsible for setting up
#                 Scheduled Tasks to execute jobs.  The task definitions are located in \Tasks folder.
#		  This file should be located in the root of the jobs projects and have Build Action marked to "Content" 
#                 and Copy to Output Directory marked "Copy if newer".



$exePath = (Get-Item -Path ".\" -Verbose).FullName + "\.JobExecutor.exe"

function CreateScheduleXml($sourceXmlPath, $outXmlPath)
{
  $xml = [xml](Get-Content $sourceXmlPath)
  $ns = New-Object System.Xml.XmlNamespaceManager($xml.NameTable)
  $ns.AddNamespace("ns", "http://schemas.microsoft.com/windows/2004/02/mit/task")
  $xml.SelectNodes("/ns:Task//ns:Actions/ns:Exec/ns:Command", $ns)[0].InnerText = $exePath
  $xml.Save($outXmlPath);
}

#tasksPath should contain Task Scheduler .xml definition files (exported from Task Scheduler) 
$tasksPath = (Get-Item -Path ".\" -Verbose).FullName + "\Tasks"
$tempJobXmlPath = "job.xml"

Get-ChildItem $tasksPath -Filter *.xml | `
Foreach-Object{
    If ($_.Name -ne $tempJobXmlPath) {
		$taskName = $_.BaseName
		CreateScheduleXml $_.FullName $tempJobXmlPath
		schtasks /delete /tn "${taskName}" /f
		schtasks /create /tn "${taskName}" /ru "NT AUTHORITY\NETWORKSERVICE" /xml "${tempJobXmlPath}" /f
		Remove-Item $tempJobXmlPath
   }
}