Table of Contents

1. Challenge

   Create a CloudFormation Stack

   1. Download the rolling.json template file from the GitHub lab repository.
   2. Create a CloudFormation stack using the Upload a template file method and select the rolling.json file.
2. Challenge

   Update Auto Scaling Group

   1. Update the stack and click Edit template in Designer.
   2. Insert the following UpdatePolicy in the template on line 111:

      "UpdatePolicy": {
          "AutoScalingRollingUpdate": {
              "MaxBatchSize": "4",
              "MinInstancesInService": "1",
              "PauseTime": "PT2M"
          }
      },
      

   3. After you validate and create the updated stack, on the Specify stack details page, under Ec2InstanceType, enter t2.medium then Submit.
   4. In the CloudFormation console, verify the stack update is now complete.
   5. In the EC2 console, verify there are now four running t2.medium instances.