Does anyone know if ephemeral/automated cert issuing and renewal exists as an open source project yet? Most of this is Netflix internal but I feel like letsencrypt has made short lived certs an inevitibility
Somewhat related: Vault has a PKI backend that can help facilitate this. You'll need to create some tooling around it, but we've had great success rolling it out at my company.
It's part of the Credhub vision to do so[0] (supporting "The 3 Rs", being rotate, repair, repave[1]). Pivotal has been sponsoring development.
I was on the Credhub team for a while. When you begin to assume that you have (1) an always-on credentials service and (2) that it can serve multiple sides of credentialling (eg, service broker adds a credential, application fetches it), you get to do more aggressive cred management.
I was on the Credhub team for about 6 months, while it was being worked on both US coasts. It's now based in NYC.
https://vaultproject.io