On Mon, 17 Feb 2020 at 21:34, Christian Ehrhardt < christian.ehrha...@canonical.com> wrote:
> Hi, > There is a bug [1] showcasing an issue failing in a docker container as > tmpfiles.d there does nothing. > > On 6th of December I already wrote to ubuntu-server as part of my daily > bug duties and subscribed people to the bug. Not much happened since then, > a few small IRC exchanges and the Debian init system GR was resolved, but > other than that I didn't hear anything else on the topic. > > This class of issues we should IMHO solve/ignore/handle in a general and > not package specific fashion. > > I was wondering if anyone on the core-system or systemd side of things has > already thought/decided on that class of issues and could chime in on the > bug. > > To everyone - have you seen similar bugs that we should Dup' together in > regard to this? > > [1]: https://bugs.launchpad.net/ubuntu/+source/haproxy/+bug/1855140 > Fun. On the face of it, the package is buggy. tmpfiles configs are processed by systemd, the package depends on the tmpfiles config being processed -> it should Depend: on systemd. This is not a path forward to having it work in a docker container though. One way to make this work might be this: 1. have src:systemd make a systemd-tmpfiles binary package that just ships systemd-tmpfiles (upstream has made commitments that systemd-tmpfiles does not depend on systemd running: https://lists.debian.org/debian-devel/2019/12/msg00060.html). 2. Have any package that ship tmpfiles configs depend on this new package and invoke systemd-tmpfiles in postinst (debhelper / dh_installsystemd does in fact arrange for systemd-tmpfiles to be invoked in postinst but only if /run/systemd/system exists, so we'd change that to be unconditional and get something to add systemd-tmpfiles to misc:Depends). This is a bit sketchy because nothing will process the tmpfiles fragments when the container starts, but /run and /tmp and just regular directories in a docker container (by default anyway) so it might just work (tm). We should probably coordinate this with Debian. The recent thread "opentmpfiles & opensysusers, and its use in the Debian policy" is somewhat related, maybe I should fork a thread off that. Cheers, mwh
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