Question 46987 in Debian Question posted in
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Publish SNS message and test Lambda from local machine – Debian

I have an application like this – sns -> lambda – so my lambda python function is invoked every time there was a new message published in SNS.
The whole code works on AWS UI, but I want to write a test function, thus I need to publish message from SNS topic from my local machine that would trigger that lamba I will watch the log in cloudwatch.

I have searched a lot but could not find something that would help a beginner like me. I installed awscli, extension on VScode and insalled Docker. My local machine is a debian(10) pc. Did not find any option on VScode for SNS.
Any help is much appreciated.

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2

Answers


  1. 0

    If you want to manually test the behavior of your setup, use AWS cli from terminal to publish test messages. See the examples on the bottom of the page: https://awscli.amazonaws.com/v2/documentation/api/latest/reference/sns/publish.html

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  2. 0

    You could use the AWS SAM CLI to test your function locally against a mock SNS event rather than using a function subscribed to the actual SNS topic.

    Using the AWS SAM CLI you can generate a sample event with this command

    sam local generate-event sns

    You can then modify it, save it, and use it with the sam local invoke --event mockEvent.json. You should then be able to see how your code will behave and view logs for the function.

    AWS SAM CLI ‘generate-event’ docs:
    https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-cli-command-reference-sam-local-generate-event.html

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