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High Voltage

AWS Lambda Error Log Aggregator

Don't wait for users to report bugs. This workflow runs every 24 hours. It uses the AWS CloudWatch node to list log streams for your Lambda functions and filters for the "ERROR" keyword. All matching log events are consolidated into a single HTML email sent to your engineering team for review.

#AWS Lambda
#CloudWatch
#Error Reporting
#Cloud
#Serverless

Automation Logic

n8n JSON Blueprint

This workflow is pre-configured and ready for deployment. Simply import the JSON template into your n8n instance and configure your credentials.

This is an exclusive blueprint. Copy the JSON below to use it.

QUICK DEPLOY

  • 1
    Download the .json file
  • 2
    Open n8n & click "Import"
  • 3
    Configure your API keys

PRO TIP

Always test your workflow in a development environment before pushing to production.

JSON BLUEPRINT

n8n-workflow.json
{
  "nodes": [
    {
      "parameters": {
        "hour": 7
      },
      "name": "Daily Morning",
      "type": "n8n-nodes-base.cron",
      "typeVersion": 1,
      "position": [250, 300]
    },
    {
      "parameters": {
        "resource": "logGroup",
        "operation": "getEvents",
        "logGroupName": "/aws/lambda/my-function",
        "filterPattern": "ERROR"
      },
      "name": "Get Error Logs",
      "type": "n8n-nodes-base.awsCloudwatch",
      "typeVersion": 1,
      "position": [450, 300]
    },
    {
      "parameters": {
        "toEmail": "[email protected]",
        "subject": "Daily Lambda Error Report",
        "html": "=Errors found today:<br>{{$node[\"Get Error Logs\"].json.map(e => e.message).join('<br><hr><br>')}}"
      },
      "name": "Email Report",
      "type": "n8n-nodes-base.gmail",
      "typeVersion": 2,
      "position": [650, 300]
    }
  ],
  "connections": {
    "Daily Morning": {
      "main": [[{"node": "Get Error Logs", "type": "main", "index": 0}]]
    },
    "Get Error Logs": {
      "main": [[{"node": "Email Report", "type": "main", "index": 0}]]
    }
  }
}

To use this, copy the JSON above and paste it directly onto your n8n canvas.

IMPLEMENTATION GUIDE

Required Nodes

  • AWS Lambda Node
  • CloudWatch Node
  • Error Reporting Node
  • Cloud Node
  • Serverless Node
  • Cron / Webhook Trigger

Core Benefits

  • 100% Automated Execution
  • Reduces Manual Data Entry
  • Infinite Scalability

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