Replace lambda-dead-letter-queue with the name of the function if needed (the name of the function is provided as an output after running terraform apply). The parameter --invocation-type Event must be included for async invocation.
Note that the lambda is expected to throw an expection, which will then trigger the dead letter queue. After invoking the lambda, a new message should be waiting in the SQS queue (see the outputs from terraform apply for the name of the configured queue).
Checkout Asynchronous Invocation for more information on invoking lambdas asynchronously, including via API Gateways.
To verify message have been sent to the queue, go to the SQS Console, locate the queue, then click on the Monitoring tab to view a line graph of inbound messages received.
Questions? Ask away.
We're here to talk about our services, answer any questions, give advice, or just to chat.
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class=\"preview__body--title\" id=\"lambda-dead-letter-queue\">Lambda Dead Letter Queue</h1><div class=\"preview__body--border\"></div><p>This folder shows an example of how to configure the dead letter queue config within the <code>lambda</code> or <code>lambda-edge</code> module.</p>\n<h2 class=\"preview__body--subtitle\" id=\"how-do-you-run-this-example\">How do you run this example?</h2>\n<p>To apply the Terraform templates:</p>\n<ol>\n<li>Install <a href=\"https://www.terraform.io/\" class=\"preview__body--description--blue\" target=\"_blank\">Terraform</a>.</li>\n<li>Open <code>vars.tf</code>, set the environment variables specified at the top of the file, and fill in any other variables that\ndon't have a default.</li>\n<li>Run <code>terraform get</code>.</li>\n<li>Run <code>terraform plan</code>.</li>\n<li>If the plan looks good, run <code>terraform apply</code>.</li>\n</ol>\n<h2 class=\"preview__body--subtitle\" id=\"how-do-you-test-the-lambda-function\">How do you test the Lambda function?</h2>\n<p>Testing the lambda function and dead letter config once it is deployed must be done using the <a href=\"https://aws.amazon.com/cli/\" class=\"preview__body--description--blue\" target=\"_blank\">AWS CLI</a></p>\n<h3 class=\"preview__body--subtitle\" id=\"test-with-aws-cli\">Test with AWS CLI</h3>\n<p>After installing the AWS CLI, run the following command:</p>\n<pre>echo '{ <span class=\"hljs-string\">\"test-name\"</span>: <span class=\"hljs-string\">\"my-test\"</span>, <span class=\"hljs-string\">\"message\"</span>: <span class=\"hljs-string\">\"hello world\"</span> }' | base64 > payload.b64\naws lambda<span class=\"hljs-built_in\"> invoke </span>--function-name lambda-dead-letter-queue --invocation-type Event --payload file://payload.b64 response.json\n</pre>\n<p>Replace <code>lambda-dead-letter-queue</code> with the name of the function if needed (the name of the function is provided as an output after running <code>terraform apply</code>). The parameter <code>--invocation-type Event</code> must be included for async invocation.</p>\n<p>Note that the lambda is expected to throw an expection, which will then trigger the dead letter queue. After invoking the lambda, a new message should be waiting in the SQS queue (see the outputs from <code>terraform apply</code> for the name of the configured queue).</p>\n<p>Checkout <a href=\"https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html\" class=\"preview__body--description--blue\" target=\"_blank\">Asynchronous Invocation</a> for more information on invoking lambdas asynchronously, including via API Gateways.</p>\n<p>To verify message have been sent to the queue, go to the <a href=\"https://us-east-2.console.aws.amazon.com/sqs/home\" class=\"preview__body--description--blue\" target=\"_blank\">SQS Console</a>, locate the queue, then click on the <code>Monitoring</code> tab to view a line graph of inbound messages received.</p>\n","repoName":"package-lambda","repoRef":"v0.14.1","serviceDescriptor":{"serviceName":"AWS Lambda","serviceRepoName":"package-lambda","serviceRepoOrg":"gruntwork-io","cloudProviders":["aws"],"description":"Deploy Lambda functions with Terraform. Supports uploading deployment packages, configuring environment variables, and scheduled functions.","imageUrl":"lambda.png","licenseType":"subscriber","technologies":["Terraform","Bash"],"compliance":[],"tags":[""]},"serviceCategoryName":"Serverless","fileName":"README.md","filePath":"/examples/lambda-dead-letter-queue","title":"Repo Browser: AWS Lambda","description":"Browse the repos in the Gruntwork Infrastructure as Code Library."}
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main.tf
