[Libvir] [RFC] 0 of 4 Linux Container support

[Dave Leskovec]

Daniel Veillard wrote:
> On Wed, Mar 19, 2008 at 11:13:44PM -0700, Dave Leskovec wrote:
>> Greetings,
> 
>   Hello,
> 
>> Following are the patches adding linux container support.  The first three
> 
>  Great ! The container/ldom support and the Java bindings are really the
> two next things I really want to see integrated in the next libvirt releases,
> 
>> patches are updated versions of the original three I posted.  They've been
>> updated for the feedback I've received so far and to include some other recent
>> libvirt changes.  The last patch adds support for starting a container.  Still
>> working on shutdown and destroy but wanted to get the start code out for comments.
> 
>  Hum, I would rather avoid the N review passes that we had with the storage
> and see things commited early in even if they are not complete or working
> perfectly. It then makes the review of cleanups, fixes and extensions way
> easier and we don't end up with a huge commit of a lot of stuff. If the 
> code is not in a fully usable shape, just deactivate the configure option
> by default.

I have it deactivated by default right now because the compile will fail on an
older kernel where sched.h does not contain the new namespace clone flags.

> 
>> The XML format has been updated to this:
>> <domain type='linuxcontainer'>
> 
>   I would rather keep the type attribute value small, and if possible
> the same as the one used for the connection URIs, 'lxr' would be just fine
> IMHO

I'll second Vivek's suggestion for 'lxc' for consistency.

> 
>>     <name>TestContainer1</name>
>>     <os>
>>         <init>/home/dlesko/src/dev/lxc/lxc_rcinit</init>
>>     </os>
>>     <memory>65536</memory>
>>     <devices>
>>         <filesystem type='mount'>
>>             <source dir='/home/dlesko/lxc_files/tmp/'/>
>>             <target dir='/tmp/'/>
>>         </filesystem>
>>         <console tty='/dev/ptmx'/>
>>     </devices>
>> </domain>
>>
>> All comments and questions are welcome.
> 
>   What do you think of the idea of commiting parts 1/2/3 once we are done
> with their second review ?

I think that'd be great.

> 
> Daniel
> 

-- 
Best Regards,
Dave Leskovec
IBM Linux Technology Center
Open Virtualization