CloudFormation

Question 1

IAM: What are the neccessary attributes for a policy?

Answer 1

Version and Statement (Effect, Action, Resource)

Question 2

IAM What are the optional attributes in a policy?

Answer 2

SID (Statement Id to identify the statement)
Principal (account, user, role or federated user)
Condition (when should the statement be in effect)

Question 3

CF: What is a Stack Policy?

Answer 3

It regulates the options to update resources.

Structured like IAM Policies e.g. (allow/deny on resources)

Question 4

CF: What is the only mandatory section in the template?

Answer 4

Resources

Question 5

CF: In which section can you define external reference to code e.g.?

Answer 5

Transforms

Question 6

CF: What are the main sections and what are their purposes?

Answer 6

Parameters: Input values
Conditions: What will be created/used based on envrionment e.g.
Resources: What will be created
Mappings: Custom references, for AMIs in Regions e.g.
Transforms: Reference to code in S3, Lamda code or reusable snippets

Question 7

CF: What happens if there’s a manual change after launch and the stack should be rolled back?

Answer 7

An error is thrown