[lxc-users] Use image file for unprivileged containers

[Dr. Todor Dimitrov]

>> but it will have to be idshifted before the start.

So the id shifting will be also done automatically? Once or on each start?

What about the format of the image file? Is there any documentation or samples on this? I assume a dd img with a single partition (e.g. ext4) should be OK?

Thanks,
Todor

> On 15. Jun 2018, at 17:50, Christian Brauner <christian at brauner.io> wrote:
> 
> On Fri, Jun 15, 2018 at 05:02:50PM +0200, Dr. Todor Dimitrov wrote:
>> Hallo Christian,
>> 
>> do I have to manually perform the loop mount? I thought this was done by the LXC runtime.
> 
> Yes, the mount is performed. If you have manually prepared an image you
> can do:
> 
> lxc.rootfs.path = loop:/path/to/file
> 
>> 
>> What is actually meant by “image file” inside the documentation:
>> 
>> “
>> lxc.rootfs.path - specify the root file system for the container. It can be an image file, a directory or a block device. If not specified, the container shares its root file system with the host.
>> "
>> 
>> Todor
>> 
>>> On 15. Jun 2018, at 16:39, Christian Brauner <christian at brauner.io> wrote:
>>> 
>>> On Fri, Jun 15, 2018 at 10:28:34AM +0200, Dr. Todor Dimitrov wrote:
>>>> Hallo,
>>>> 
>>>> is it possible to use an image file with “lxc.rootfs.path” for an
>>>> unprivileged container? If possible, is it necessary to have the
>>>> correct file ownerships within the image or are these automatically
>>>> adjusted on start, e.g. on mount.
>>> 
>>> If by image you mean something you can mount on a loop device then yes
>>> but it will have to be idshifted before the start.
>>> 
>>> Christian
>>> 
>>>> 
>>>> Thanks in advance,
>>>> Todor
>>>> 
>>> 
>>> 
>>> 
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>> 
> 
> 
> 
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