[one-dev] OpenNebula LXC Addon

[Javier Fontan]

The repo is at https://github.com/OpenNebula/addon-lxc. You should
have permissions to commit and administrate.

I've already uploaded a LICENSE file and a base README.

Cheers

On Mon, Nov 11, 2013 at 4:16 PM, Javier Fontan <jfontan at opennebula.org> wrote:
> I'll create the repository and let you know where to point to.
>
> On Mon, Nov 11, 2013 at 12:02 PM, Valentin Bud <valentin at databus.pro> wrote:
>> Hey there Javi,
>>
>>
>> On Thu, Nov 07, 2013 at 11:40:23PM +0100, Javier Fontan wrote:
>>>
>>> This looks awesome!
>>>
>>> Do you want me to create a repository so we all can put our hands on it?
>>
>>
>> That would be great. It will take me some time to refactor the code and
>> add checks all over the place.
>>
>>
>>>
>>> I am sure asking a lot but would be great to have a little doc on how
>>> to setup a dev environment to test this. I know nothing about LXC. It
>>> doesn't need to be too detailed, we can do that afterwards.
>>
>>
>> I didn't think otherwise. The docs will be pretty thin at first but they
>> will evolve along side with the addon.
>>
>> Cheers,
>> Valentin
>>
>>
>>>
>>> Thanks!
>>>
>>> On Thu, Nov 7, 2013 at 11:08 PM, Valentin Bud <valentin at databus.pro>
>>> wrote:
>>> > Hello everyone,
>>> >
>>> > I have a working PoC for an LXC addon and quite a few questions on
>>> > how to proceed further.
>>> >
>>> > In the actual state the driver has the following limitations:
>>> >
>>> >   * It only works with the LVM datastore,
>>> >
>>> >   * Couldn't find a way to transform user/system CPU time in percentage
>>> >     so the poll action returns 1 (hardcoded) for USEDCPU.
>>> >
>>> > For now the VMM driver responds to the following actions:
>>> >
>>> >   * deploy
>>> >   * shutdown
>>> >   * cancel
>>> >   * reset
>>> >   * reboot
>>> >   * poll
>>> >
>>> > I have used the lxc tools to manipulate containers and some
>>> > functionalities are not yet available. For example the reboot and reset
>>> > actions basically do stop/start. And the shutdown one doesn't do a clean
>>> > shutdown.
>>> >
>>> > I have developed the drivers to work on Debian Wheezy. Among the lxc
>>> > tools there is lxc-attach, which runs a command inside the container.
>>> >
>>> > Unfortunately the stable kernel doesn't support that but the
>>> > experimental one does. See Debian bug #595920 [1].
>>> >
>>> > Using lxc-attach, the shutdown operation could be executed cleanly. I am
>>> > about to test the experimental kernel, 3.8, in the near future. I am
>>> > also thinking of using lxc-attach for contextualization.
>>> >
>>> > I have quite a few questions about how to continue and some notes
>>> > about the template passed to the vmm driver.
>>> >
>>> > If your offer, Jaime, of doing a Hangout is still available I would like
>>> > to discuss them over there. After that we could write a report back to
>>> > the mailing list for people who couldn't attend. What do you think about
>>> > this?
>>> >
>>> > The next step I am going to do is to implement the same functionalities
>>> > using libvirt.
>>> >
>>> >> Anyway, I am certainly in favor of docker as a private PaaS on top of
>>> >> OpenNebula...
>>> >
>>> > Carlo, I am trying to understand how these two would fit together.
>>> > OpenNebula would deal with setting up storage, network and CPU/RAM
>>> > resources for dockers? I would really appreciate it if you could be a
>>> > little bit more specific.
>>> >
>>> > [1]: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=595920
>>> >
>>> > Cheers and Goodwill,
>>> > Valentin
>>> > _______________________________________________
>>> > Dev mailing list
>>> > Dev at lists.opennebula.org
>>> > http://lists.opennebula.org/listinfo.cgi/dev-opennebula.org
>>>
>>>
>>>
>>> --
>>> Javier Fontán Muiños
>>> Developer
>>> OpenNebula - The Open Source Toolkit for Data Center Virtualization
>>> www.OpenNebula.org | @OpenNebula | github.com/jfontan
>
>
>
> --
> Javier Fontán Muiños
> Developer
> OpenNebula - The Open Source Toolkit for Data Center Virtualization
> www.OpenNebula.org | @OpenNebula | github.com/jfontan



-- 
Javier Fontán Muiños
Developer
OpenNebula - The Open Source Toolkit for Data Center Virtualization
www.OpenNebula.org | @OpenNebula | github.com/jfontan