add cli fuzziness option

main.go

@@ -214,6 +214,7 @@ func main() {
 	vInsecure := flag.Bool("insecure", true, "Allow insecure connections to vCenter")
 	begin := flag.Duration("b", time.Hour, "Begin time") // default BeginTime is 1h ago
 	end := flag.Duration("e", 0, "End time")
+	fuzzyMinutes := flag.Int("fuzziness", 5, "Number of minutes to offset VM restart time when searching for related Host failure event")
 	flag.Parse()
 
 	// Print logs to file
@@ -281,7 +282,7 @@ func main() {
 			vmRestartTime := event.CreatedTime.In(location)
 
 			// Sometimes host HA events can come through a few minutes after a VM restart event, so create a "fuzzy" starting time to search for host HA events
-			fuzzyTime := vmRestartTime.Add(5 * time.Minute)
+			fuzzyTime := vmRestartTime.Add(time.Duration(int(time.Minute) * int(*fuzzyMinutes)))
 			log.Printf("Failure event for VM '%s' restarted in cluster '%s'\n", event.Vm.Name, event.ComputeResource.Name)
 
 			// Get a reference to the cluster mentioned