Lab Information
The Nautilus DevOps team needs to implement a Lambda function using a CloudFormation stack. Create a CloudFormation template named /root/devops-lambda.yml on the AWS client host and configure it to create the following components. The stack name must be devops-lambda-app.
Create a Lambda function named devops-lambda.
Use the Runtime Python.
The function should print the body Welcome to KKE AWS Labs!.
Ensure the status code is 200.
Create and use the IAM role named lambda_execution_role.
Lab Solutions
📄 CloudFormation Template
vi devops-lambda.yml
AWSTemplateFormatVersion: '2010-09-09'
Description: DevOps Lambda Application Stack
Resources:
LambdaExecutionRole:
Type: AWS::IAM::Role
Properties:
RoleName: lambda_execution_role
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service: lambda.amazonaws.com
Action: sts:AssumeRole
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
DevOpsLambdaFunction:
Type: AWS::Lambda::Function
Properties:
FunctionName: devops-lambda
Runtime: python3.9
Handler: index.lambda_handler
Role: !GetAtt LambdaExecutionRole.Arn
Timeout: 10
Code:
ZipFile: |
def lambda_handler(event, context):
return {
"statusCode": 200,
"body": "Welcome to KKE AWS Labs!"
}
🚀 Deploy the Stack
aws cloudformation create-stack \
--stack-name devops-lambda-app \
--template-body file:///root/devops-lambda.yml \
--capabilities CAPABILITY_NAMED_IAM
Wait for completion:
aws cloudformation wait stack-create-complete \
--stack-name devops-lambda-app
🧪 (Optional) Test the Lambda
aws lambda invoke \
--function-name devops-lambda \
output.json
cat output.json
Expected output:
{
"statusCode": 200,
"body": "Welcome to KKE AWS Labs!"
}
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