Greg DeKoenigsberg Speaks

Nurse Euca is here to help you.

Posted in Uncategorized by Greg DeKoenigsberg on August 22, 2012

“I never see what has been done; I only see what remains to be done.  –Marie Curie”

Automated installers are great. When they work, they work really well — but when they don’t, not only do they not work, but they bring great sadness to the hopeful user who trusted your automated installer.  Tragic!  Heartbreaking.

So why don’t automated installers work, when they don’t work?  In almost every case, it’s because there’s a condition your installer assumes that isn’t met.  And in this day and age, you don’t have just one installer for your software, you’ve got multiple potential install+config tools: multiple package managers, multiple configuration tools, multiple permutations of hardware, multiple permutations of hypervisor, multiple permutations of network topology.  Which means that you’d better do a *great* job of figuring out your environment before you try to lay down and configure your bits.

Enter Nurse Euca.  Nurse Euca will run before any install and take everyone’s temperature, offer an aspirin or a splint where needed — or will let you know if one of your requirements is Dead On Arrival.  (“I’m sorry, Doctor, but em1 appears to be in septic shock. I recommend against resuscitation.”)  (That’s totally gonna be an error message, btw.)

Awesome, right?  Well, it will be when we write it.  We’ve got bits and pieces of these kinds of checks in various places.  On Friday we will be having a hackfest to pull these threads together and get Nurse Euca jumpstarted.

Hey, here’s a mostly-empty Github repo!  By the end of Friday, it won’t be.

We’ll be on freenode, #eucalyptus-devel, at 7am Eastern US time.  Yes, it’s early; we’ve got some friends in the Old World who will be hugely helpful, so we’ve chosen the time to accommodate them.  See you then.

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