aws_sqs-dead-letter-queue-lambda-requeue

Requeue Dead Letter Queue jobs Lambda and Terraform

IMPORTANT: Please Notice The Limit of Function

Loop will Break when Total Moved Job > 60
And Please Set a Timeout Value for your Lambda Function (300s is my value)

WARNING: It will be a Infinite Loop if you don't set

Terraform

Environment

• Terraform v0.11.13
• Terraform AWS Provider ~> 2.0

Inputs

Name	Description	Type	Default	Required
AWS_ACCOUNT		string	"00000000"	yes
AWS_REGION		string	"us-east-1"	yes
lambda_deployment_package	Lambda deployment package name	string	"empty-deployment-package.zip"	yes
lambda_s3_bucket_name	For Put Lambda deployment package	string	"default-bucket"	yes
lambda_stage		string	"prod"	yes
sqs_name		string	"default-queue"	yes

Lambda

Environment

• Python 3.7
• AWS SQS Source Queue
• AWS SQS DLQ Queue
• AWS Lambda as DLQ Handler

Requirements

• boto3
• logging

pip3 install boto3 logging

Limit

• Total Moved Job > 60
• Timeout = 300s

This is important or it will be a Infinite Loop

SQS to Lambda Event

{
    "Records": [
      {
        "messageId": "9cf06c9b-e919-4ef9-8485-3d13c347a4d1",
        "receiptHandle": "AQEBJRZxkQUWQYAwBMPpN4...rVCoU70HTdEVH4eKZXuPUVBw==",
        "body": "value0.6888803697786434",
        "attributes": {
          "ApproximateReceiveCount": "1",
          "SentTimestamp": "1530189332727",
          "SenderId": "AROAI62MWIO3S4UBJVPVG:sqs-flooder",
          "ApproximateFirstReceiveTimestamp": "1530189332728"
        },
        "messageAttributes": {},
        "md5OfBody": "7ce3453347fd9bd30281384c304a1f9d",
        "eventSource": "aws:sqs",
        "eventSourceARN": "arn:aws:sqs:us-east-1:XXXXXXXX:test-sqs-trigger-queue",
        "awsRegion": "us-east-1"
      }
    ]
  }

Flow Chart