deletion policy, stack policy, termination policy

Deletion Policy

• Delete
• Snapshot (Supported services only)
• Retain

More like lifecycle policy from terraform

Deletion would not work on S3 if it has objects

Either manually delete the objects or develop a custom resource that deletes all objects before deleting the bucket

Stack policy

• By default all stack updates are applied for all resource
• Stack policy dictates what are allowed on updation
• Protect resources against accidental updates

Creation Policy

• Used with resources like AWS::EC2::Instance.
• Works with cfn-signal to delay resource success status until signaling is complete.
• Ensures app/config is properly set before marking complete.
  • AWS::EC2::Instance
  • AWS::AutoScaling::AutoScalingGroup

Termination protection

• Prevent accidental deletion
• once activated, deletion is prompted termination protection. If you have necessary permission you can delete the resource by editing teh termination