Re: anopa: init system/service manager built around s6

From: Aristomenis Pikeas <>
Date: Fri, 10 Apr 2015 18:41:45 -0700

Laurent (s6-rc), Olivier (anopa), Toki (supervision framework), and Gorka (s6-overlay),

I'm having a lot of trouble figuring out the differences between your projects. The s6 suite of utils can be considered building blocks for a full init system, but what does each of your projects do on top of s6?

For a bit of context, my goal is the simplest init system that could possibly work, to be run inside of a docker container. I need to start services and gracefully handle SIGTERM/SIGKILL, with everything logged to standard out. That's about it. But this is proving to be difficult with s6. I've been chipping away at things, but it's slow going between understanding all of the tricky bash-isms and learning about all of the relevant s6 components.

If any of the four of you, or anyone else on this list, could provide some guidance, I'd greatly appreciate it. I'm convinced that s6 is a better solution than runit, but at this point I may switch back, as things mostly Just Work.

Looking forward to hearing your thoughts,

> On Apr 10, 2015, at 16:50, Laurent Bercot <> wrote:
> Wow! Congratulations for such an important piece of work.
> This is actually pretty embarrassing for me, and I guess I only
> have myself to blame: I'm too secretive, and if people are going
> to use s6 as a foundation to build more tools - which is definitely
> a good thing - then I should embrace it and be more open about my
> projects.
> The thing is, I'm currently working on the exact same project:
> an init system and service manager. I call it s6-rc, and I intend
> to make it a part of some future release of s6. I got the design
> down, as well as parts of the code, but a lot remains to be written.
> And you really overtook me on the spot here. So, well done.
> Still, I believe the design work I did on s6-rc is valid, and
> AFAICT addresses some things that anopa does not (and vice-versa, of
> course.)
> So, shall we join forces ? Shall I present the s6-rc design, and see
> if there are things we can put in common, and where to go from here ?
> --
> Laurent
Received on Sat Apr 11 2015 - 01:41:45 UTC

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