Use consistent /proc, /sys and /sys/fs/cgroup (v2)
- Implements mixed mode for /sys where it's mounted read-only but with
/sys/devices/virtual/net/ writable.
- Sets lxc.mount.auto to "cgroup:mixed proc:mixed sys:mixed" for all
templates.
- Drop any template-specific mount for /proc, /sys or /sys/fs/cgroup.
- Get rid of the fstab file by default, using lxc.mount.entry instead.
- Set sys:mixed as the default for "sys". sys:mixed is slightly more
permissive than sys:ro so this shouldn't be a problem.
The read-only bind mount of /sys on top of itself is there so that
mountall and other init systems don't attempt to remount /sys
read-write.
v2 changes:
- Fix the mount list, don't specify a source for the remount.
- Update the documentation.
Signed-off-by:
Stéphane Graber <stgraber@ubuntu.com>
Acked-by:
Serge E. Hallyn <serge.hallyn@ubuntu.com>
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