this post was submitted on 06 Oct 2024
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internal certificate distribution? (lemmy.world)
submitted 1 month ago by r0ertel@lemmy.world to c/selfhosted@lemmy.world
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How do you manage the distribution of internal TLS network certificates? I'm using cert-manager to generate them, but the root self-signed certificate expires monthly which makes distribution to devices outside of K8s a challenge. It's a PITA to keep doing this for the tablet, laptop and phones. I can bump the root cert to a year, but I'm concerned that the date will sneak up on me. Are there any automated solutions?

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[–] r0ertel@lemmy.world 1 points 1 month ago (1 children)

Yes, monthly is too fast. I'm using a K8s operator for cert-manager which defaults to a month. I think I can patch the CSV with an annotation that will bump that out, but when the operator updates the CSV then I need to repatch it.

I was polling the community to see if there's something that is easy to use but I was not able to find in my searches. It seems like a common problem.

Part of my problem is that I chose to use a K8s operator for cert-manager which isn't easy to configure. Had I used a helm chart, i'd have bumped the root cert to 10 years and forgotten about it.

[–] johntash@eviltoast.org 2 points 1 month ago (1 children)

If the operator doesn't allow it for some reason, uninstall it and try with the helm chart instead?

Or is there a reason to use the operator?

[–] r0ertel@lemmy.world 1 points 1 month ago

I think it may support it, but it's not well documented. I'll need to read up a bit. I started with helm charts but like how operators, um operate. They upgrade on their own and are very stable. Honestly, though, it was mostly because I wanted to learn how they work.