Re: atomic updates with ostree on Beaglebone boards

[Dennis Gilmore <dennis ausil us>]

Hi John,

Fedora IoT is an ostree based distribution and supports ARMv7, it is
available https://getfedora.org/en/iot/ and will run on a beaglebone

Dennis

On Wed, May 5, 2021 at 12:31 PM John Allwine <john pocketnc com> wrote:
> Hi all,
>
> I'm looking into adapting the Beaglebone image-builder scripts 
> (https://github.com/beagleboard/image-builder) to offer an option to build with ostree support for full 
> system atomic updates. I'm sure there are many challenges involved with this, but I'd like to better 
> understand the boot process. The standard Beaglebone images leverage the /boot/uEnv.txt file to read in 
> various device tree overlays at boot. Does anyone have any insights into what would be necessary to adapt 
> the process to use ostree?
>
> The ostree documentation (https://ostreedev.github.io/ostree/deployment/) mentions calculating the checksum 
> of  the vmlinuz, initramfs and device tree files and appending that checksum to each file name. What is the 
> purpose of doing that? Is there a way to make that work with device tree overlays? Is there a different 
> method? I'm just starting to scratch the surface of what is necessary to make this work, so any insights 
> are welcome!
>
> Thanks,
>
> -John
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