bugfix vm not found

main.go

@@ -188,7 +188,7 @@ func getVmInCluster(name string, cluster types.ManagedObjectReference) mo.Virtua
 	cv, _ := m.CreateContainerView(ctx, cluster, []string{"VirtualMachine"}, true)
 
 	var vms []mo.VirtualMachine
-	log.Printf("Searching for VM '%s'\n", name)
+	log.Printf("Searching for VM '%s' in cluster '%v'\n", name, cluster.Reference().Value)
 	err := cv.Retrieve(ctx, []string{"VirtualMachine"}, []string{"summary", "name"}, &vms)
 	if err != nil {
 		log.Printf("Failed searching for VM %s : %s\n", name, err)
@@ -331,6 +331,12 @@ func main() {
 			vm := getVmInCluster(event.Vm.Name, cluster.Reference())
 			//vm := getVM(event.Vm.Name)
 
+			// If we couldn't find the vm then skip this event
+			if len(vm.Reference().String()) == 0 {
+				log.Printf("No VM matching string '%s' found in cluster '%s'\n", event.Vm.Name, cluster.Reference())
+				continue
+			}
+
 			// Use VmDisconnectedEvent to see which host this VM was on
 			vmDisconnectedEvents := getEvents([]string{"VmDisconnectedEvent"}, []types.ManagedObjectReference{vm.Reference()}, *begin, *end)
 			log.Printf("Retrieved '%d' VmDisconnectedEvent events.\n", len(vmDisconnectedEvents))