Use PowerShell to set the new beats service to delayed start (#8720)

Set the Windows service to use a delayed start. Use PowerShell to execute sc config, so we can set the service to delayed start.

Fixes #8711

CHANGELOG.asciidoc

@@ -313,6 +313,7 @@ The issue will be fixed in the 6.4.1 release.
 - Add module state reporting for Beats Monitoring. {pull}7075[7075]
 - Release the `rename` processor as GA. {pull}7656[7656]
 - Add support for Openstack Nova in `add_cloud_metadata` processor. {pull}7663[7663]
+- Add support to set Beats services to automatic-delayed start on Windows. {pull}8720[8711]
 
 *Auditbeat*
 

dev-tools/packaging/templates/windows/install-service.ps1.tmpl

@@ -12,3 +12,9 @@ $workdir = Split-Path $MyInvocation.MyCommand.Path
 New-Service -name {{.BeatName}} `
   -displayName {{.BeatName | title}} `
   -binaryPathName "`"$workdir\{{.BeatName}}.exe`" -c `"$workdir\{{.BeatName}}.yml`" -path.home `"$workdir`" -path.data `"C:\ProgramData\{{.BeatName}}`" -path.logs `"C:\ProgramData\{{.BeatName}}\logs`""
+
+# Attempt to set the service to delayed start using sc config.
+Try {
+  Start-Process -FilePath sc.exe -ArgumentList 'config {{.BeatName}} start=delayed-auto'
+}
+Catch { Write-Host "An error occured setting the service to delayed start." -ForegroundColor Red }