I always smile at posts like this. They're right and wrong at the same time. Systems should be "as simple as possible, but no simpler". And thinking that you can gloss over the detail is just going to create more hassle later on. IAM is just complex. I can't think of any implementation of "users, groups, roles, policies, identity providers, oidc" that is truly simple. I'm reminded of a guy I worked with, who fought a…
Some internal perspective - IAM has maybe thousands of options but fundamentally it is "what does this role have access to doing (action + resource)" + "who has access to this role". That is really it from a 10k foot level. IAM is great because it applies internally just like it does externally. The internal AWS team don't get more access than you do, and if we get access to do certain thing on your account to perfor…
I mean something like actions: s3:cp Resource: bucketarn/key
Most of the time, actions are self explanatory and good enough, but i recently gave a developer permission to scale an asg, and it required a lot of unguessable actions, if i were to give "actions: scale" (forgot the correct cli parameter for it), it would make more clean env