Retrieve Automation Status

How to retrieve Marketing Cloud Automation Status?

<script runat="server">

Platform.Load("Core", "1");

try {

var automationCustomerKey = "[CustomerKey]"

var rr = Platform.Function.CreateObject("RetrieveRequest");

Platform.Function.SetObjectProperty(rr, "ObjectType", "Automation");

Platform.Function.AddObjectArrayItem(rr, "Properties", "ProgramID");

Platform.Function.AddObjectArrayItem(rr, "Properties", "CustomerKey");

Platform.Function.AddObjectArrayItem(rr, "Properties", "Status");

var sfp = Platform.Function.CreateObject("SimpleFilterPart");

Platform.Function.SetObjectProperty(sfp, "Property", "CustomerKey");

Platform.Function.SetObjectProperty(sfp, "SimpleOperator", "equals");

Platform.Function.AddObjectArrayItem(sfp, "Value", automationCustomerKey);

Platform.Function.SetObjectProperty(rr, "Filter", sfp);

var retrieveStatus = [0,0,0];

var automationResultSet = Platform.Function.InvokeRetrieve(rr, retrieveStatus);

var ObjectID = automationResultSet[0]["ObjectID"];

var Status = automationResultSet[0]["Status"];

if (ObjectID != "null") {

    /*

    Code Status

    -1   Error

     0   BuildingError

     1   Building

     2   Ready

     3   Running

     4   Paused

     5   Stopped

     6   Scheduled

     7   Awaiting Trigger

     8   InactiveTrigger

    */

    Platform.Response.Write(Status);

} 

}

} catch (ex) {

        Platform.Response.Write("Error message: " + ex);

}