in invoker/core/src/main/java/com/google/cloud/functions/invoker/gcf/ExecutionIdUtil.java [26:36]
public void storeExecutionId(HttpServletRequest request) {
if (!executionIdLoggingEnabled()) {
return;
}
for (Handler handler : rootLogger.getHandlers()) {
if (handler instanceof JsonLogHandler) {
String id = getOrGenerateExecutionId(request);
((JsonLogHandler) handler).addExecutionId(Thread.currentThread().getId(), id);
}
}
}