# Check NTP client status

Param(
  [string]$esxhost
)

if ( (Get-PSSnapin -Name VMware.VimAutomation.Core -ErrorAction:SilentlyContinue) -eq $null)
{
    add-pssnapin VMware.VimAutomation.Core
}
$connect = connect-viserver vCenter server IP -user mydomain\vcenteradmin -password mypassword -WarningAction SilentlyContinue 
$NagiosStatus = "0"
$status = Get-VMHostService -vmhost $esxhost |?{$_.key -eq 'ntpd'} | select-object Running

if ($status -match "true")
{
    $ServiceStatus = "running"
    $NagiosStatus = "0"
}

if ($status -match "false")
{
    $ServiceStatus = "stopped"
    $NagiosStatus = "2"
}

if ($NagiosStatus -eq "2") 
{
	Write-Host "CRITICAL: The NTP client on host" $esxhost "is" $ServiceStatus
} 	


if ($NagiosStatus -eq "0") 
{	
    Write-Host "OK: The NTP client on host" $esxhost "is" $ServiceStatus
}

exit $NagiosStatus