[Lxc-users] lxc configuration bug (was: Re: lxc-destroy erase rootfs)

[Csordás Csaba Ifj.]

So the info from where the container runs is in the per-container config.

Csordás Csaba Ifj.





On Tue, Feb 19, 2013 at 11:53 PM, Serge Hallyn <serge.hallyn at ubuntu.com> wrote:
> Quoting Papp Tamas (tompos at martos.bme.hu):
>> On 02/11/2013 04:11 AM, Serge Hallyn wrote:
>> >
>> > Agreed, please do get us precise reproduction steps so we can look into
>> > it and fix it.
>>
>> I'm sorry about the delay.
>> I tested is again and I'm quite surprised, that you're right. If it's at the originial location,
>> then it just works fine.
>>
>> >> If you can create it from scratch then you should be able to do whatever
>> >> modifications you need and have it picked up the next time the container is
>> >> stopped-started.
>>
>> This was totally new to me.
>>
>> Reproduce:
>>
>> lxc version: 0.9.0.alpha2 (also true for older versions)
>> Linux virt102 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64 x86_64 x86_64
>> GNU/Linux
>>
>>
>> $ lxc-create -n ltest -t ubuntu
>> $ mv /var/lib/lxc/ltest /data/lxc/ltest
>> $ cd /data/lxc/ltest
>> $ lxc-destroy -n ltest
>> $ lxc-create -n ltest -f config
>
> At this point, there will be a /var/lib/lxc/ltest/config which will
> list lxc.rootfs = /var/lib/lxc/ltest/rootfs.  So these steps are not
> quite what you want.
>
> Perhaps you just want to
>
>         sudo lxc-create -n ltest -t ubuntu
>         sudo mkdir -p /data/lxc/ltest
>         sudo mv /var/lib/lxc/ltest/rootfs /data/lxc/ltest/
>         sudo sed -i 's/@/var/lib/lxc@/data/lxc@' /var/lib/lxc/ltest/config
>         sudo lxc-start -n ltest
>         [ check mac address ]
>         sudo lxc-stop -n ltest
>         [ change mac address in config ]
>         sudo lxc-start -n ltest
>         [ check mac address ]
>
>
>> $ lxc-start -n ltest
>> [ check mac address ]
>> $ lxc-stop -n ltest
>> [ change mac address in config ]
>> $ lxc-start -n ltest
>> [ check mac address ]
>>
>>
>> Should I put it to launchpad?
>>
>> tamas
>>
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