[systemd-devel] Unable to run systemd in an LXC / cgroup container.

[Michael H. Warfield]

On Thu, 2012-10-25 at 23:38 +0200, Lennart Poettering wrote:
> On Thu, 25.10.12 11:59, Michael H. Warfield (mhw at WittsEnd.com) wrote:

> > I've got some more problems relating to shutting down containers, some
> > of which may be related to mounting tmpfs on /run to which /var/run is
> > symlinked to.  We're doing halt / restart detection by monitoring utmp
> > in that directory but it looks like utmp isn't even in that directory
> > anymore and mounting tmpfs on it was always problematical.  We may have
> > to have a more generic method to detect when a container has shut down
> > or is restarting in that case.

> I can't parse this. The system call reboot() is virtualized for
> containers just fine and the container managaer (i.e. LXC) can check for
> that easily.

The problem we have had was with differentiating between reboot and halt
to either shut the container down cold or restarted it.  You say
"easily" and yet we never came up with an "easy" solution and monitored
utmp instead for the next runlevel change.  What is your "easy" solution
for that problem?

> Lennart

> -- 
> Lennart Poettering - Red Hat, Inc.

Regards,
Mike
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
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