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如何在CloudWatch Schedule + SQS上触发AWS Lambda

[英]How to trigger AWS Lambda on CloudWatch schedule + SQS

原文 2019-07-21 16:43:45 0 1 amazon-web-services/ aws-lambda/ amazon-sqs/ amazon-cloudwatch

I know that AWS Lambda can be invoked by CloudWatch scheduler as well as by SQS event, but can they be used together in logical " and " combination? 我知道CloudWatch调度程序以及SQS事件都可以调用AWS Lambda，但是可以将它们以逻辑“ 和 ”组合在一起使用吗？

Basically, what I need is to run my lambda every minute (for example) only when messages available in SQS . 基本上，我需要的是仅在SQS中有可用消息时每分钟运行一次lambda（例如）。 Is it even possible with AWS config only? 仅使用AWS config甚至有可能吗？

I need this to be able to utilize some third-party API with hard API limit, that's why I cannot just use SQS event (easy to break the limit) and I don't like the idea to use scheduler only, because it will be useless when queue is empty. 我需要此功能，以便能够使用具有严格API限制的某些第三方API，这就是为什么我不能仅使用SQS事件（容易打破限制）并且我不喜欢仅使用调度程序的想法，因为队列为空时无用。

1 个解决方案

While this is a cool idea, this is unfortunately not possible - event sources in Lambda are always separate from each other. 尽管这是一个很酷的主意，但不幸的是这是不可能的-Lambda中的事件源始终彼此分开。 I understand your impulse to save CPU-cycles and API-calls (and money), but I think the only solution that works is your proposed put-it-on-a-timer-and-poll-sqs one. 我了解您为节省CPU周期和API调用（以及节省金钱）的冲动，但是我认为唯一可行的解决方案是您建议的“将其放在计时器和投票中”的方法。

I was searching the documentation for references on this, but couldn't find any. 我正在搜索文档中有关此内容的参考，但找不到任何内容。