How to periodically send failure messages from Lambda

Question

I am trying to access one host address from the AWS Lambda.If it fails, i have to send the mail.The issue is i have to combine all the failure messages for a period and send to the mail is.What technology i can use for this?I can't use DLQ as i don't want to capture all the failure messages from the Lambda

What does it mean "it fails"? Fails how? Heath check fails, or AWS-caused hardware failure? What are these " failure messages"? From your application? — Marcin
– Marcin, Commented Sep 14, 2020 at 7:11
It failed to get response from an host address.For example,the host server is down — Sandeep M
– Sandeep M, Commented Sep 14, 2020 at 8:18

John Rotenstein · Accepted Answer · 2020-09-14 08:31:20Z

1

There could be possibly more than one option.

Using Dead Letter Queue for Lambda and process the queue messages once you hit your trigger. See: AWS Lambda Supports Dead Letter Queues
Store errors in a database like DynamoDB and scan once the period trigger is activated.

edited Sep 14, 2020 at 8:31

John Rotenstein

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answered Sep 14, 2020 at 7:31

Traycho Ivanov

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2 Comments

Sandeep M Over a year ago

Regarding the Option 1 :Actually i don't want to capture all errors from the Lambda.Just one error type(where host is not reachable).

Traycho Ivanov Over a year ago

@SandeepM There are many tools for observability to look for specific errors. I would recommend try looking for something which is working for all your infrastructure but not focus on a single lambda failure handling. If you provide a concrete code there could be a better solution.

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