In AWS cloudformation, what is the difference between a custom resource and a resource provider?
Question
As per my understanding:
A custom resource is just an AWS Lambda function that runs whenever the stack is provisioned or updated or deleted.
A resource provider is plain old code where one writes hooks for all the Stack operations (update, create, delete, etc).
I can't see why anyone would use the former over the latter. Resource providers seem easier to write and test.
1 answers
solution1
1 ACCPTED 2020-01-20 21:44:21
One historical reason is that custom resources were the only option until recently:
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