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Comment by treis | Hacker News Reader

Can you give a few sentences on why someone would want to do this?

So there are a bunch of use cases, but the main one we think is during day to day development. mirrord can give you access to “cloud conditions” while you code, without having to go through CI and actually deploying, which a. makes your feedback loops a lot tighter and b. reduces the likelihood you’ll deploy something broken to the cloud (i.e. staging/production) environment and break it for other developers in the organization. We wrote about it a bit more here if you’re interested: https://metalbear.co/blog/reintroducing-mirrord/

How can you process production requests without the matching data? Processing a user with UUID X taking action Y depends on those things existing in the DB.

I can't tell if this is brilliant or insane. Brilliant in that I see the potential of catching bugs. Insane in that you'd need to be really really really sure that the environment the requests are diverted to can't change production data. Including sending out e-mails or other communciations.

So right now we focus on helping devs develop using their staging environments, but we do plan to get to production later on. As Eyal described here (https://news.ycombinator.com/item?id=31634831) next features would be enabling network access, env var access and file system to the remote cluster as the impersonated pod. After enabling "primitive" access we would also provide "protection" features as of what you can really send/use/change.

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