[lxc-users] "lxc.mount.auto=cgroup:mixed" not working anymore?

[Flo]

Hi Stéphane,

thank you for your help. I didn't know about cgmanager. We implemented a
perl tool to get LXC metrics. Is there an easy way to get those metrics
from the cgmanager socket?
At the cmdl I tried to talk to the socket via "socat":

echo "getvalue memory '/lxc/galera01-jobs-prodm' memory.limit_in_bytes" |
socat unix-connect:/sys/fs/cgroup/cgmanager/sock stdio

But this did not work. After reading "https://cgmanager.linuxcontainers.org/"
I am still not sure how to to talk to the socket. "cgm" works fine

cgm getvalue memory '/lxc/containername' memory.limit_in_bytes

but I would like to "talk" directly to the socket.

Regards,
Flo

PS: Thank you for your GREAT work!!!


On Tue, Apr 22, 2014 at 3:15 PM, Stéphane Graber <stgraber at ubuntu.com>wrote:

> On Tue, Apr 22, 2014 at 10:08:29AM +0200, Flo wrote:
> > Hi,
> >
> > since we upgraded to the latest ubuntu release (14.04 developement ->
> > 14.04. 22. Apr 2014) those cgroups mounted inside the container via
> > "lxc.mount.auto = cgroup:mixed" do not exist anmyore?
> >
> >
> > root at app01-xxxxxx:~# ls -la /sys/fs/cgroup/
> > total 0
> > drwxr-xr-x 3 root root 60 Apr 22 09:58 .
> > drwxr-xr-x 7 root root  0 Apr 22 09:58 ..
> > drwxr-xr-x 2 root root 60 Apr 22 09:56 cgmanager
> >
> >
> > Any idea what changed?
> >
> > Regards,
> > Flo
>
> It's actually working as expected in that cgroup:mixed will either
> bind-mount all independent cgroups when LXC uses cgroupfs or the
> cgmanager socket when using cgmanager. Ubuntu 14.04 uses cgmanager so
> the latter case was used and only the cgmanager socket was bind-mounted.
>
>
> --
> Stéphane Graber
> Ubuntu developer
> http://www.ubuntu.com
>
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> lxc-users at lists.linuxcontainers.org
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>
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