[CRIU] CRIU with Docker

[Ross Boucher]

Yes, it creates a container named "test-container". You can omit the name
and just use the id returned in future commands. Docker will use
"libcontainer" (now known as runc) by default, which is its own container
engine.

On Thu, Dec 24, 2015 at 10:54 AM Thouraya TH <thouraya87 at gmail.com> wrote:

> Ok, I'm going to test and see.
> I have already CRIU installed.
>
> Please, i have a question about this:
>
>
>  docker-1.9.0-dev run -d --name *test-container* busybox:latest /bin/sh
> -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 3; done'
>
>
>
> *With this instruction:* i will create a docker container named
> test-container ? what is the virtualization technology it uses?
>
>
> *Mr Saied said: Docker can optionally use LXC as its execution driver to
> create containers.  However, by default, Docker does not use LXC.**If you
> simply google "docker default execution driver", it will give you a bunch
> of useful links.  Here's the first one for your easy reference:*
>
>
> *http://blog.docker.com/2014/03/docker-0-9-introducing-execution-drivers-and-libcontainer/
> <http://blog.docker.com/2014/03/docker-0-9-introducing-execution-drivers-and-libcontainer/>*
>
> Thanks a lot for help.
>
>
> 2015-12-24 16:29 GMT+01:00 Ross Boucher <rboucher at gmail.com>:
>
>> There's not really a guide available at this point. Very roughly, here's
>> what you need to do:
>>
>> Install criu somewhere in your PATH, and install libprotobuf (though I
>> don't know exactly where it needs to go)?
>>
>> In one terminal, start the docker daemon with something like:
>> > docker-1.9.0-dev -dD
>>
>> in another terminal, you can now run a container, e.g.
>> > docker-1.9.0-dev run -d --name test-container busybox:latest /bin/sh -c
>> 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 3; done'
>>
>> now, you can checkpoint and restore:
>> >  docker-1.9.0-dev checkpoint test-container
>> >  docker-1.9.0-dev restore test-container
>>
>> (feel free to rename it "docker" instead of docker-1.9.0-dev)
>>
>>
>> On Thu, Dec 24, 2015 at 10:24 AM Thouraya TH <thouraya87 at gmail.com>
>> wrote:
>>
>>> Ok Mr Pavel, thank you so much for answer.
>>>
>>>
>>>  @Ross Boucher: Thank you so much for help.
>>>
>>>
>>> As mentioned on this link, I have to download these files:
>>>
>>> criu-1.6-patched
>>> <https://github.com/boucher/docker/releases/download/v1.9.0-experimental-cr.1/criu-1.6-patched>
>>>
>>> docker-1.9.0-dev
>>> <https://github.com/boucher/docker/releases/download/v1.9.0-experimental-cr.1/docker-1.9.0-dev>
>>>
>>> libprotobuf-c.so.0
>>> <https://github.com/boucher/docker/releases/download/v1.9.0-experimental-cr.1/libprotobuf-c.so.0>
>>>
>>>
>>> Source code (zip)
>>> <https://github.com/boucher/docker/archive/v1.9.0-experimental-cr.1.zip>
>>>
>>> Source code (tar.gz)
>>>
>>> <https://github.com/boucher/docker/archive/v1.9.0-experimental-cr.1.tar.gz>
>>>
>>>
>>>
>>> <https://github.com/boucher/docker/archive/v1.9.0-experimental-cr.1.tar.gz>
>>>
>>> That’s it ?
>>>
>>>
>>> I worked a lot with CRIU and
>>> https://help.ubuntu.com/12.04/serverguide/lxc.html  but I am very
>>> beginner with Docker.
>>>
>>>
>>> How can i install this *docker-1.9.0-dev
>>> <https://github.com/boucher/docker/releases/download/v1.9.0-experimental-cr.1/docker-1.9.0-dev>*
>>> ? Is there any howTo ? In fact, I’d like testing Docker with a simple
>>> example and then doing the snapshotting with CRIU.
>>>
>>>
>>> Kind Regards.
>>>
>>>
>>>
>>> 2015-12-24 15:58 GMT+01:00 Ross Boucher <rboucher at gmail.com>:
>>>
>>>> Yes, all the info is in that thread. You can try these pre-built
>>>> binaries if you like:
>>>> https://github.com/boucher/docker/releases/tag/v1.9.0-experimental-cr.1
>>>>
>>>>
>>>> On Thu, Dec 24, 2015 at 9:36 AM Pavel Emelyanov <xemul at parallels.com>
>>>> wrote:
>>>>
>>>>> On 12/24/2015 05:27 PM, Thouraya TH wrote:
>>>>> > Hi all,
>>>>> >
>>>>> >
>>>>> > As Iknow, there is a work on using CRIU with Docker. I want to know,
>>>>> please, the progress
>>>>> > if it is possible (Online publications? Etc..).
>>>>>
>>>>> Everything about it happens here:
>>>>> https://github.com/docker/docker/pull/13602 and you're
>>>>> welcome to join :)
>>>>>
>>>>> > I'd like to test criu with Docker. Can i do that ? Is there any
>>>>> tutorial ?
>>>>>
>>>>> Please, say hello to Ross and Hui (I added them in Cc). They're one of
>>>>> main guys in this area :)
>>>>>
>>>>> -- Pavel
>>>>>
>>>>>
>>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openvz.org/pipermail/criu/attachments/20151224/38eb0e0d/attachment.html>