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Evan Cordell

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I work at RedHat, formerly CoreOS. Sometimes I post things.

16 things you didn't know about Kube APIs and CRDs

#15 will shock you! If you're familiar with kubernetes, you're likely familiar with the kubernetes API and the concept of controllers: reconciliation loops that look at the data stored in the api and try to make the state of the cluster match that declared API state. This is a pretty powerful model that has proven its value over time - but despite the seeming simplicity of the core ideas, there…

Macaroons 101: Contextual Confinement

Macaroons, like Fezzes, are cool. If you find yourself disagreeing, it’s possible you’re thinking of the wrong sort of macaroons , or you’ve yet to be convinced. This is the first in a series of posts in which I intend to explain why macaroons are so interesting. We’ll start by motivating them and defining them, and later expand on the theory behind them and study examples of how they’re…