Automation

Question 1

Main sections of CloudFormation Template:

Answer 1

• Parameters:* Input custom values
• Conditions:* e.g. provision resources based on the value of a parameter
• Resources:* MANDATORY - the AWS resources to create
• Mappings:* Create custom mappings like Region : AMI
• Transforms:* Reference code located in s3. e.g. Lambda code or reusable snippets of CFN code.

Question 2

When would you use –disable-rollback for cloudformaition?

Answer 2

It’s useful for troubleshooting a CFN that has gone wrong

Question 3

What’s Elastic Beanstalk?

Answer 3

• It’s a service for deploying and scaling web apps.
• Users can focus on writing code
• It provisions the underlying resources for you, no need to worry about the infra needed to run the app.
• It can fully manage the EC2 instances for you or you can take full administrative control.
• It manages all the updates, monitoring, metrics and health checks all included.

Question 4

What’s OpsWorks?

Answer 4

• Service which allows you to automate your server configuration using Puppet or Chef
• It’s a fully managed service so you don’t need to configure and operate your own configuration on management environment
• If you have a requirement to manage your EC2 and on-premises systems using Puppet or Chef, use OpsWorks