Creating a rule in CloudWatchĬreate a new rule from the CloudWatch console.

Now we can go back to CloudWatch and create our new rule. You should see the message post in your chat room right away. Use the “Test” button to ensure that your Lambda works. The other default settings should not be a problem for now. The default 3 second timeout should be good enough for this simple function, but feel free to turn it up if you’re worried about it timing out. Once you have your function, paste the following JS code into your file:įor this example I use the inline editor, but for something more serious you should look into Serverless which is great for deploying Lambdas! The name is up to you, and you’ll need a role with permission to execute Lambdas. We can’t create a rule without a target, so we’ll have to create the Lambda first! Creating a Lambda functionįrom the Lambda console, create a new blank Node.js 6.10 function. Each target will be a specific AWS Lambda function. You’ll also see that we can add one or more targets. It allows us to pick a service (eg DynamoDb, S3, CodeDeploy, CodePipeline, etc). Schedule allows you to trigger an event daily, hourly, etc. We can achieve this using AWS CloudWatch and a Lambda function.įirst, go to the CloudWatch page in your AWS Console.

We would like to be notified when the build fails for any reason (failing tests, build errors, etc). My team uses AWS CodePipeline for building our application on every code push. Pretty cool! 😎 Now we are ready to create something more useful.

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