We’ve been looking into CA’s that give you an instant response on a certificate 
signing request (based on various conditions) - I’m not sure that we can easily 
make this work with the state structures described?

Our basic flow is
Client —[https|somecreds|some <https://somecreds|some>csr]--> CA
Client <—[https|certificate/error400]—CA

The CA does a lot of stuff in the backend but for the purposes of this the 
decision about making the cert is instant, there’s no ‘queue’ to wait on. It’s 
not immediately clear to me if there’s some option to shortcut the states laid 
out to make a plugin work nicely with our prototype CA…

Cheers
-Rob

From: John Wood <[email protected]<mailto:[email protected]>>
Reply-To: OpenStack List 
<[email protected]<mailto:[email protected]>>
Date: Thursday, 17 July 2014 15:37
To: OpenStack List 
<[email protected]<mailto:[email protected]>>
Cc: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Subject: [openstack-dev] [barbican] Etherpad discussion related to ssl 
certificate workflow CR

Hello folks,

Ade raised concerns about the approach taken in the SSL cert CR here: 
https://review.openstack.org/#/c/107190/

In short, he suggests that a state machine approach that gives plugins a lot of 
control over workflow is not needed, and could lead to plugin developers having 
more difficulty creating new plugins. I think he has valid points, so I created 
an etherpad that details a 'generic' workflow approach, and an approach that 
simplifies what the plugins need to do (offloading logic to Barbican): 
https://etherpad.openstack.org/p/barbican-order-cert-gen-interactions

Please take a look at the etherpad and weigh in if you can.

Thanks,
John



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