Simulating AWS IAM authorization of S3 calls locally with Yulin

If you want to check locally that your IAM policies allow and deny what you think they do, you can use the simulated IAM service in Yulin . Sim IAM stores simulated Roles, Users and Policies, and evaluates allow and deny decisions for them. The other simulated services use it to authorise their own actions, so a simulated S3 call from a caller without the right permissions is denied in the same…