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serverless-logstreaming

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Readme

⚡️ Serverless Logstreaming Plugin

About

This Serverless plugin allows for simple streaming of logs through a given function with the popular Serverless Framework and AWS Lambda.

Configuration

Add serverless-logstreaming to your serverless.yml file in the root of your serverless project

plugins:
  - serverless-logstreaming

Define permission for Cloudwatch to write to your loghandler:

resources:
  # AWS CloudFormation Template
  Resources:

    # IAM
    LoggingLambdaPermission:
      Type: AWS::Lambda::Permission
      Properties:
        FunctionName:
          Ref: LoghandlerLambdaFunction
        Action: lambda:InvokeFunction
        Principal: logs.amazonaws.com

If you don't already have a loghandler defined somewhere in your stack, do so.

functions:
  loghandler:
    description: 'CW Logs handler for Tasks'
    handler: handlers/loghandler/handler.handler

And that's all it takes. Now the logs of all your lambda functions will stream through that loghandler

Acknowledgements

Thanks to @andymac4182 for the gist that inspired this plugin.
Thanks to @HyperBrain and the @serverless team