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Have you considered selling that system in some form? Presumably it has to be tailored to the specific software stack, particularly the database(s) and other persistent storage. But maybe you could write an ebook on how to set up that kind of system, with examples from your scripts, and sell that.

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No, no thoughts to sell it. I'd open-source it before I'd do that. It's not complicated when you break it up into two steps.

Step 1: An if/else-heavy script that will take in a few parameters (for us it's city, a server type, and a numeral for naming) and build a clean server with all of the needed keys populated.

Step 2: A "yum install"-heavy script passed into the clean server, that builds everything needed from scratch, sending status emails throughout the build process.

I figured the tricky part would be automatic failover to a different data center when one goes offline. At least, I inferred that you had implemented that, from the part about you not having to get out of bed if a data center goes offline.

Ah, I get you. There's an HAProxy at the front of each data center "pod". If all servers within the pod go down, the proxy routes traffic to servers in another pod. If HAProxy itself goes down, a Route 53 health check just takes it out of the A Record rotation.

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