Local Check_MK: check_DNS_Scavenge.ps1

check_DNS_Scavenge.ps1

$Host.UI.RawUI.BufferSize = New-Object Management.Automation.Host.Size(500,300)

$server = $env:COMPUTERNAME


$global:debug = ""
$global:n_stat = ""
$global:n_stattext = ""



function GetScavengeStatus($server)
{
	

	$global:n_stat=0
	$global:n_stattext = "Initialized "

	$e1 = Get-WinEvent -FilterHashTable @{logname="DNS Server"; ID = 2501} `
		| sort-object TimeCreated -descending `
		| select-object -first 1

	$nextscav = $e1.TimeCreated.addhours( 7 * 24 + 1 )
	$global:n_stattext = "Last scavenge at {0}; Next Scavenge at {1}" -f $e1.TimeCreated.toString(""), $nextscav.toString("")



	if ( $e1.LevelDisplayName -ne "Information" ) {
		$global:n_stat=2
		$global:n_stattext = "DNS scavenge at {0}, returned {1}" -f $e1.TimeCreated.toString(""), $e1.EntryType
	}

	if ($nagios_status -eq 0 -and $nextscav.compareTo( (get-date)) -lt 1  ) {
		$global:n_stat=2
		$global:n_stattext = "Expected scavenge did not occur at {0}" -f $nextscav
	}
}



#Main:

GetScavengeStatus $server

echo "$global:n_stat DNS_Scavenge - $global:n_stattext"
#echo $global:Debug
#exit $global:n_stat