private String getErrorCauseStatusReason(List<StackEvent> stackEvents, StackStatus errorStatus) {
StackEvent cause = null;
for (StackEvent event : stackEvents) {
if (event.getResourceStatus().equals(errorStatus.toString())) {
if (cause == null) {
cause = event;
} else if (cause.getTimestamp().getTime() > event.getTimestamp().getTime()) {
cause = event;
}
}
}
return cause == null ? "unknown" : cause.getResourceStatusReason();
}
