Am 20.10.2014 um 18:51 schrieb Lennart Poettering: > On Mon, 20.10.14 18:49, Richard Weinberger (richard@xxxxxx) wrote: > >> Am 20.10.2014 um 18:24 schrieb Lennart Poettering: >>> On Fri, 17.10.14 23:35, Richard Weinberger (richard.weinberger@xxxxxxxxx) wrote: >>> >>>> Dear systemd and container folks, >>>> >>>> at Plumbers the question raised how to provide cgroups to a systemd that lives >>>> in a container (with user namespaces). >>>> Due to the GDL train strikes I had to leave very soon and had no chance to >>>> talk to you in person. >>>> >>>> Was a solution proposed? >>>> All I want to know is how to provide cgroups in a sane and secure way >>>> to systemd. :-) >>> >>> The cgroups setup systemd requires to be able to run cleanly without >>> changes in a container is documented here: >>> >>> http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/ >>> >>> You have to mount the full cgroupfs hierarchies into the containers, >>> so that /proc/$PID/cgroup makes sense inside the containers (that file >>> lists absolute paths...). They can be mounted read-only up to the >>> container's root, but further down they need to be writable to the >>> container, so that systemd inside the container can do its job. >> >> And what solution do you propose? > > Solution? For what problem precisely? Running systemd inside Linux container (including user namespaces). :-) >> Will cgroup namespaces make systemd finally happy? > > I have no idea about cgroup namespaces and what they entail. > > systemd is quite happy already, if you follow the guidelines for > container managers we put together... Have you ever used systemd inside a container? Say, LXC or libvirt-lxc... Thanks, //richard _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
