You're reading from Mastering AWS CloudFormation Plan, develop, and deploy your cloud infrastructure effectively using AWS CloudFormation

Product type Paperback

Published in May 2020

Publisher Packt

ISBN-13 9781789130935

Length 300 pages

Edition 1st Edition

Tools

AWS

Concepts

Infrastructure Management

Author (1):

Karen Tovmasyan

Preface

1. Section 1: CloudFormation Internals

2. CloudFormation Refresher FREE CHAPTER

3. Advanced Template Development

4. Section 2: Provisioning and Deployment at Scale

5. Validation, Linting, and Deployment of the Stack

6. Continuous Integration and Deployment

7. Deploying to Multiple Regions and Accounts Using StackSets

8. Configuration Management of the EC2 Instances Using cfn-init

9. Section 3: Extending CloudFormation

10. Creating Resources outside AWS Using Custom Resources

11. Dynamically Rendering the Template Using Template Macros

12. Generating CloudFormation Templates Using AWS CDK

13. Deploying Serverless Applications Using AWS SAM

14. What's Next?

15. Assessments

16. Other Books You May Enjoy

Chapter 1: CloudFormation Refresher

CreateStack.
CloudFormation Service Role is an IAM Role that is assumed by CloudFormation before stack operations are performed. The policies attached to that role will be then used to perform stack operations.
The ones that are attached to the IAM entity (User or Role), which run CloudFormation stack operations.
This information (physical resource ID and its metadata) is stored in CloudFormation's state.
If we try to create the same stack (that is, invoke the CreateStack API call), that call will fail with a 400 AlreadyExists error.
If we run a stack update without any changes in a template or parameters, nothing would happen as there are no changes. CloudFormation will not notice if the resource has been deleted manually. But if we update the deleted resource, the operation will fail, because the CloudFormation resource still exists in the state and CloudFormation believes it is still there.
Because CloudFormation...