Invoking an AWS Lambda Function from Another Lambda Function and Scheduling the Function
AWS Lambda allows you to run code without provisioning or managing servers. You can invoke one Lambda function from another and schedule Lambda functions using Amazon CloudWatch Events. In this blog post, we'll explore both processes. Prerequisites Before we start, ensure you have the following: An AWS account Basic knowledge of AWS Lambda and IAM roles AWS CLI installed and configured 1. Invoking a Lambda Function from Another Lambda Function To invoke a Lambda function from another Lambda function, follow these steps: Step 1: Create the Lambda Functions Function A (Invoker): This function will invoke another Lambda function. Function B (Invoked): This function will be invoked by Function A. Step 2: Set Up IAM Roles and Permissions Create an IAM Role for Lambda with the following policies: AWSLambdaBasicExecutionRole Custom policy to allow lambda:InvokeFunction Attach the IAM Role to both Lambda functions. 2. Scheduling a Lambda Function To schedule a Lambda function using Clo...